/usr/share/tcltk/tcllib1.17/tepam/tepam.tcl is in tcllib 1.17-dfsg-1.
This file is owned by root:root, with mode 0o644.
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# TEPAM - Tcl's Enhanced Procedure and Argument Manager
##########################################################################
# tepam.tcl - TEPAM's main Tcl package
#
# TEPAM offers an alternative way to declare Tcl procedures. It provides
# enhanced argument handling features like automatically generatehd,
# graphical entry forms and checkers for the procedure arguments.
#
# Copyright (C) 2009/2010/2011 Andreas Drollinger
#
# Id: tepam.tcl
##########################################################################
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
##########################################################################
package require Tcl 8.3
namespace eval tepam {
# Exports the major commands from this package:
namespace export procedure argument_dialogbox
##########################################################################
# procedure #
##########################################################################
######## Procedure configuration ########
# Set the following variable to 0 (false) prior to the procedure definition, to
# use first the unnamed arguments and then the named arguments.
set named_arguments_first 1
# Setting the following variable to 0 will disable the automatic argument name
# extension feature.
set auto_argument_name_completion 1
# Set the following variable prior to the procedure definition to:
# - 0 (false): to disable command logging
# - 1 (true): to log all commands anytime
# - "interactive": to log only interactively called commands
set command_log "interactive"
# Set the following variable to "short" to generate small interactive dialog boxes.
set interactive_display_format "extended"
# The following variable defines the maximum line length a created help text can have:
set help_line_length 80
######## Internal variables ########
if {![info exists ProcedureList]} {
set ProcedureList {}
}
######## PureProcName ########
# PureProcName purifies the procedure name given by the ProcName variable of the calling
# function and returns it. PureProcName is basically:
# * Eliminating the main namespace indicators
# * Encapsulating the name into '' if it is a composed name
proc PureProcName {args} {
upvar ProcName ProcName
set Name $ProcName
regsub {^::} $Name {} Name; # Eliminate the main namespace indicators
if {[lsearch $args -appo]>=0} { # Encapsulate the name into '' if it is a composed name
set Name "'$Name'"
}
return $Name
}
######## Procedure help text ########
set ProcedureHelp {
procedure <ProcedureName> <ProcedureAttributes> <ProcedureBody>
<ProcedureAttributes> = {
[-category <Category>]
[-short_description <ShortDescription>]
[-description <Description>]
[-return <Return_Type>]
[-example <Example>]
[-named_arguments_first 0|1]
[-command_log 0|1|"interactive"]
[-auto_argument_name_completion 0|1]
[-interactive_display_format]
[-validatecommand <ValidateCommand>]
[-validatecommand_error_text <ValidateCommandErrorText>]
[-args <ArgumentDeclarationList>]
}
<ArgumentDeclarationList> = {<ArgumentDeclaration> [ArgumentDeclaration ...]}
<ArgumentDeclaration> = {
<Argument_Name>
[-description <ArgumentDescription>]
[-type <ArgumentType>]
[-validatecommand <ValidateCommand>]
[-validatecommand_error_text <ValidateCommandErrorText>]
[-default <DefaultValue>]
[-optional | -mandatory]
[-choices <ChoiceList>]
[-choicelabels <ChoiceLabelList>]
[-range {<MinValue> <MaxValue>}
[-multiple]
[-auxargs <AuxilaryArgumentList>]
[-auxargs_commands <AuxilaryArgumentCommandList>]
}
<ArgumentType> = {
none double integer alnum alpha ascii control digit graph lower
print punct space upper wordchar xdigit color font boolean ""
}
}
# Eliminate leading tabs in the help text and replace eventual tabs through spaces
regsub -all -line {^\t\t} $ProcedureHelp "" ProcedureHelp
regsub -all -line {\t} $ProcedureHelp " " ProcedureHelp
######## Procedure ########
# Procedure allows declaring a new procedure in the TEPAM syntax:
#
# procedure my_proc {
# -args {message}
# } {
# puts $message; # Procedure body
# }
#
# Procedure creates in fact a TCL procedure with a patched procedure body. This body calls at
# the beginning an argument parser (ProcedureArgumentEvaluation) that is reading and validating
# the arguments that have been provided to the procedure. The previous lines are for example
# creating the following TCL procedure:
#
# proc my_proc {args} {
# ::tepam::ProcedureArgumentEvaluation;
# if {$ProcedureArgumentEvaluationResult!=""} {
# if {$ProcedureArgumentEvaluationResult=="cancel"} return;
# return -code error $ProcedureArgumentEvaluationResult;
# }
# if {$SubProcedure!=""} {return [$SubProcedure]};
#
# puts $message; # Procedure body
# }
#
# ProcedureArgumentEvaluation uses the TCL procedure's args argument to read all the provided
# arguments. It evaluates first if a sub procedure has to be called. This information and the
# argument validation result are provided to the calling procedure respectively via the
# variables SubProcedure and ProcedureArgumentEvaluationResult. In case the result evaluation
# was not successful, the calling procedure body will simply return. In case the procedure
# call refers to a sub-procedure, this one will be called. Otherwise, if a valid argument set
# has been provided to the procedure, and if no sub-procedure has to be called, the original
# procedure body is executed.
# Procedure behaves slightly differently in case one or multiple sub-procedures have been
# declared without declaring the main procedure itself:
#
# procedure {my_func sub_func} {
# -args {message}
# } {
# puts $message; # Procedure body
# }
#
# Procedure creates in this case for the main procedure a Tcl procedure as well as for the sub
# procedure. The main procedure creates an error when it directly called. The sub-procedure
# is executed within the main procedure's context using the uplevel command.
#
# proc my_proc {args} {
# ::tepam::ProcedureArgumentEvaluation;
# if {$ProcedureArgumentEvaluationResult!=""} {
# if {$ProcedureArgumentEvaluationResult=="cancel"} return;
# return -code error $ProcedureArgumentEvaluationResult;
# }
# if {$SubProcedure!=""} {return [$SubProcedure]};
# error "'my_func' requires a subcommand"
# }
#
# proc {my_proc sub_func} {args} {
# uplevel 1 {
# puts $message; # Procedure body
# }
# }
#
# Procedure parses itself the procedure name and attributes and creates the new TCL procedure
# with the modified body. For each declared argument it calls ProcedureArgDef which handles the
# argument definition.
proc procedure {args} {
variable ProcDef
variable ProcedureHelp
variable named_arguments_first
variable command_log
variable auto_argument_name_completion
variable interactive_display_format
variable ProcedureList
#### Check if help is requested and extract the (sub) procedure name ####
# Check if help is requested:
if {[lsearch -exact $args "-help"]>=0} {
puts $ProcedureHelp
return
}
# Check that the procedure name, argument list and body has been provided:
if {[llength $args]!=3} {
return -code error "Missing procedure arguments, correct usage: procedure <ProcedureName>\
<ProcedureAttributes> <ProcedureBody>"
}
# Evaluate the full qualified procedure name including a leading name space identifier.
# Evaluate the current namespace in case the procedure is not defined explicitly with
# a name space:
regsub -all {\s+} [lindex $args 0] " " ProcName
if {[string range $ProcName 0 1]!="::"} {
set NameSpace [uplevel 1 {namespace current}]
if {$NameSpace!="::"} {append NameSpace "::"}
set ProcName ${NameSpace}${ProcName}
}
# Extract the procedure attributes and the procedure body:
set ProcedureAttributes [lindex $args 1]
set ProcedureBody [lindex $args 2]
# Store the procedure name in the procedure list, if it is not already existing:
if {[lsearch -exact $ProcedureList $ProcName]<0} {
lappend ProcedureList $ProcName
}
#### Initialize the procedure attributes ####
# Clean the information of an eventual previous procedure definition, and store
# the actual configured procedure modes:
catch {array unset ProcDef $ProcName,*}
set ProcDef($ProcName,-named_arguments_first) $named_arguments_first
set ProcDef($ProcName,-command_log) $command_log
set ProcDef($ProcName,-auto_argument_name_completion) $auto_argument_name_completion
set ProcDef($ProcName,-interactive_display_format) $interactive_display_format
# The procedure information will be stored in the array variable ProcDef.
# The following array members are always defined for each declared procedure:
set ProcDef($ProcName,-validatecommand) {}
set ProcDef($ProcName,-validatecommand_error_text) {}
set ProcDef($ProcName,VarList) {}
set ProcDef($ProcName,NamedVarList) {}
set ProcDef($ProcName,UnnamedVarList) {}
# ProcDef($ProcName,NbrVars); #
# ProcDef($ProcName,NbrNamedVars)
# ProcDef($ProcName,NbrUnnamedVars)
# The following array members are defined optionally in the argument parsing section:
# ProcDef($ProcName,$AttributeName)
# | AttributeName = {-category -return -short_description
# | -description -example}
#
# ProcDef($ProcName,Arg,$Var,IsNamed)
# ProcDef($ProcName,Arg,$Var,-type)
# ProcDef($ProcName,Arg,$Var,-optional)
# ProcDef($ProcName,Arg,$Var,-validatecommand)
# ProcDef($ProcName,Arg,$Var,-validatecommand_error_text)
# ProcDef($ProcName,Arg,$Var,-default)
# ProcDef($ProcName,Arg,$Var,HasDefault)
# ProcDef($ProcName,Arg,$Var,-multiple)
# ProcDef($ProcName,Arg,$Var,-description)
# ProcDef($ProcName,Arg,$Var,-choices)
# | Contains the choice list: {<Choice1> ... <ChoiceN>}
# ProcDef($ProcName,Arg,$Var,-choicelabels)
# | Contains the choice label list: {<ChoiceLabel1> ... <ChoiceLabelN>}
# ProcDef($ProcName,Arg,$Var,-range)
# ProcDef($ProcName,Arg,$Var,SectionComment)
# ProcDef($ProcName,Arg,$Var,Comment)
#### Parse all procedure attributes ####
set UnnamedHasToBeOptional 0; # Variable that will be set to '1' if an unnamed argument is optional.
set UnnamedWasMultiple 0; # Variable that will be set to '1' if an unnamed argument has the -multiple option
# Loop through the argument definition list:
foreach {AttributeName AttributeValue} $ProcedureAttributes {
# Evaluate the provided argument attribute
switch -exact -- $AttributeName {
-help { # Help has been required in the procedure attribute definition list:
puts $ProcedureHelp
return
}
-category -
-return -
-short_description -
-description -
-named_arguments_first -
-command_log -
-auto_argument_name_completion -
-example -
-interactive_display_format {
# Save all these information simply in the ProcDef array variable:
set ProcDef($ProcName,$AttributeName) $AttributeValue
}
-validatecommand -
-validatecommand_error_text {
lappend ProcDef($ProcName,$AttributeName) $AttributeValue
}
-args {
# Read the procedure arguments with ProcedureArgDef
set Comment ""
set SectionComment ""
foreach arg $AttributeValue {
set ErrorMsg [ProcedureArgDef $arg]
if {$ErrorMsg!=""} {
return -code error "Procedure declaration [PureProcName -appo]: $ErrorMsg"
}
}
}
default {
return -code error "Procedure declaration [PureProcName -appo]: Procedure attribute '$AttributeName' not known"
}
}
}
# Complete the procedure attributes -
# Number of arguments:
set ProcDef($ProcName,NbrVars) [llength $ProcDef($ProcName,VarList)]
# Number of named arguments
set ProcDef($ProcName,NbrNamedVars) [llength $ProcDef($ProcName,NamedVarList)]
# Number of unnamed arguments
set ProcDef($ProcName,NbrUnnamedVars) [llength $ProcDef($ProcName,UnnamedVarList)]
#### Create the TCL procedure(s) ####
# Create now the TCL procedures. In case a sub procedure is declared, the created TCL
# procedure has not to call the argument evaluator, since this one has already been called
# in the main procedure. An additional main procedure is created if a sub procedure is
# declared and if no main procedure is existing.
set Body "::tepam::ProcedureArgumentEvaluation;\n"
append Body "if {\$ProcedureArgumentEvaluationResult!=\"\"} \{\n"
append Body " if {\$ProcedureArgumentEvaluationResult==\"cancel\"} return;\n"
append Body " return -code error \$ProcedureArgumentEvaluationResult;\n"
append Body "\}\n"
append Body "if {\$SubProcedure!=\"\"} {return \[\$SubProcedure\]};\n\n"
if {[llength $ProcName]==1} {
append Body "$ProcedureBody"
proc $ProcName {args} $Body
} else {
proc $ProcName {args} "uplevel 1 \{\n$ProcedureBody\n\}"
if {[info commands [lindex $ProcName 0]]==""} {
append Body "return -code error \"'[lindex $ProcName 0]' requires a subcommand\""
proc [lindex $ProcName 0] {args} $Body
}
}
}
# ProcedureArgDef reads the definition of a single argument that is provided in form of a list:
#
# -mtype -default Warning -choices {Info Warning Error} -description "M. type"
#
# ProcedureArgDef is executed by 'procedure'. The argument definition is provided via the
# argument 'ArgDef' variable. ProcedureArgDef is recognizing argument comments and section
# comments that can be placed into the argument definitions. ProcedureArgDef is also checking
# the validity of the argument specifications.
proc ProcedureArgDef {ArgDef} {
variable ProcDef
variable ProcedureHelp
variable named_arguments_first
variable command_log
variable auto_argument_name_completion
variable interactive_display_format
variable ProcedureList
upvar ProcName ProcName
upvar Comment Comment
upvar SectionComment SectionComment
upvar UnnamedHasToBeOptional UnnamedHasToBeOptional
upvar UnnamedWasMultiple UnnamedWasMultiple
# Read the argument name:
set Opt [lindex $ArgDef 0]
#### Handle section and argument comments, parse the option name ####
# Check if the argument definition is a simply argument comment (either -, "" or {})
if {$Opt=="" || $Opt=="-"} {
# Eliminate the entire first word as well as any leading and tailing white spaces
regexp {^\s*[^\s]+\s+(.*)\s*$} $ArgDef {} Comment
regsub -all "\"" $Comment "\\\"" Comment
return ""
# Check if the argument definition is an argument section begin
} elseif {[string index $Opt 0]=="\#"} {
# Eliminate leading and tailing white spaces
set SectionComment [string trim [string range $ArgDef 1 end]]
# Eliminate the leading and ending #s and white spaces
regexp {^\s*\#+\s*(.*?)\s*\#*\s*$} $ArgDef {} SectionComment
# regsub -all "\"" $SectionComment "\\\" SectionComment
# For an eventual interactive call that requires a GUI, swap to the short
# representation mode, since the frames are used to display the sections:
set ProcDef($ProcName,-interactive_display_format) "short"
return ""
# Check if the argument is an option or a flag (named argument), that has with a
# leading '-':
} elseif {[string index $Opt 0]=="-"} {
set Var [string range $Opt 1 end]
lappend ProcDef($ProcName,NamedVarList) $Var
set ProcDef($ProcName,Arg,$Var,IsNamed) 1
# The argument is an unnamed argument:
} else {
set Var $Opt
lappend ProcDef($ProcName,UnnamedVarList) $Var
set ProcDef($ProcName,Arg,$Var,IsNamed) 0
}
# Assign to the argument an eventually previously defined section or argument comment:
if {$SectionComment!=""} {
set ProcDef($ProcName,Arg,$Var,SectionComment) $SectionComment
set SectionComment ""
}
if {$Comment!=""} {
set ProcDef($ProcName,Arg,$Var,Comment) $Comment
set Comment ""
}
# Check that an argument is not declared multiple times:
if {[lsearch -exact $ProcDef($ProcName,VarList) $Var]>=0} {
return "Argument '$Var' defined multiple times"
}
#### Define the argument attributes ####
# Append the argument to the argument list and define the argument attributes with the
# default values:
lappend ProcDef($ProcName,VarList) $Var
set ProcDef($ProcName,Arg,$Var,-type) ""; # Undefined
set ProcDef($ProcName,Arg,$Var,-optional) 0
set ProcDef($ProcName,Arg,$Var,HasDefault) 0
set ProcDef($ProcName,Arg,$Var,-multiple) 0
# Parse all argument attribute definitions:
for {set a 1} {$a<[llength $ArgDef]} {incr a} {
set ArgOption [lindex $ArgDef $a]
set ArgOptionValue [lindex $ArgDef [expr {$a+1}]]
switch -- $ArgOption {
-type {
# Argument type definition: Check if the validation command is defined for
# the used argument type:
if {[catch {Validate($ArgOptionValue) ""}]} {
return "Argument type '$ArgOptionValue' not known"
}
# Store the attribute type:
set ProcDef($ProcName,Arg,$Var,-type) $ArgOptionValue
# Flags (argument that have the type 'none') are always optional:
if {$ProcDef($ProcName,Arg,$Var,-type)=="none"} {
set ProcDef($ProcName,Arg,$Var,-optional) 1
}
incr a
}
-default {
# Arguments that have default values are always optional:
set ProcDef($ProcName,Arg,$Var,-default) $ArgOptionValue
set ProcDef($ProcName,Arg,$Var,HasDefault) 1
set ProcDef($ProcName,Arg,$Var,-optional) 1
incr a
}
-mandatory {# The -mandatory attribute is already the default behavior}
-optional -
-multiple {
# These attributes (flags) have just to be stored for future usage:
set ProcDef($ProcName,Arg,$Var,$ArgOption) 1
}
-range {
# Check that the range is defined by two values and that the min value is
# smaller than the max value:
if {[llength $ArgOptionValue]!=2 || \
![Validate(double) [lindex $ArgOptionValue 0]] || \
![Validate(double) [lindex $ArgOptionValue 1]]} {
return "Invalid range definition - $ArgOptionValue"
}
set ProcDef($ProcName,Arg,$Var,$ArgOption) $ArgOptionValue
incr a
}
-validatecommand -
-validatecommand_error_text -
-auxargs_commands -
-auxargs -
-description -
-choices -
-choicelabels -
-widget {
# Also these attributes have just to be stored for future usage:
set ProcDef($ProcName,Arg,$Var,$ArgOption) $ArgOptionValue
incr a
}
default {
# Generate an error if the provided attribute name doesn't match with a known
# attribute.
return "Argument attribute '$ArgOption' not known"
}
}
}
#### Perform various argument attribute validation checks ####
# Unnamed argument attribute checks:
if {!$ProcDef($ProcName,Arg,$Var,IsNamed)} {
# Check that behind an optional unnamed argumeent there are only other optional
# unnamed arguments:
if {$UnnamedHasToBeOptional && !$ProcDef($ProcName,Arg,$Var,-optional)} {
return "Argument '$Var' has to be optional"
}
# Check that only the last unnamed argument can take multiple values:
if {$UnnamedWasMultiple} {
return "Attribute '-multiple' is only for the last unnamed argument allowed"
}
# Check the length of an optional -choicelabels list
if {[info exists ProcDef($ProcName,Arg,$Var,-choices)] && \
[info exists ProcDef($ProcName,Arg,$Var,-choicelabels)]} {
if {[llength $ProcDef($ProcName,Arg,$Var,-choices)]!=
[llength $ProcDef($ProcName,Arg,$Var,-choicelabels)]} {
return "Argument '$Var' - Choice label list and choice list have different sizes"
}
}
# Store the information about the argument attributes the check the consistency of
# the following arguments:
if {$ProcDef($ProcName,Arg,$Var,-optional)} {
set UnnamedHasToBeOptional 1
}
if {$ProcDef($ProcName,Arg,$Var,-multiple)} {
set UnnamedWasMultiple 1
}
}
# Range checks are only allowed for integers and doubles:
if {[info exists ProcDef($ProcName,Arg,$Var,-range)]} {
if {[lsearch {integer double} $ProcDef($ProcName,Arg,$Var,-type)]<0} {
return "Argument '$Var' - range specification requires type integer or double"
}
}
return ""
}
######## ProcedureArgumentEvaluation ########
# ProcedureArgumentEvaluation is the argument evaluator that is embedded by the procedure
# declaration command 'procedure' into the procedure's body in the following way:
#
# proc my_proc {args} {
# ::tepam::ProcedureArgumentEvaluation;
# if {$ProcedureArgumentEvaluationResult!=""} {
# if {$ProcedureArgumentEvaluationResult=="cancel"} return;
# return -code error $ProcedureArgumentEvaluationResult;
# }
# if {$SubProcedure!=""} {return [$SubProcedure]};
#
# puts $message; # Procedure body
# }
#
# ProcedureArgumentEvaluation has to define in the calling procedure two variables:
# The first one is ProcedureArgumentEvaluationResult that has to contain the result of the
# evaluation and validation of the argument set. Zero as results means that the provided
# arguments are OK and that the procedure body can be executed. A non-zero value indicates
# that the procedure body has not to be evaluated, typically because help was requested via
# the -help option. In case of incorrect arguments an error is generated by
# ProcedureArgumentEvaluation.
# The second variable that is created by ProcedureArgumentEvaluation is 'SubProcedure'. This
# variable is set to the sub procedure name in case a sub procedure is called. If the main
# procedure is called this variable is set to an empty string.
# Delcare first a tiny helper function: ProcedureArgumentEvaluationReturn will assign the
# provided result string to the ProcedureArgumentEvaluationResult variable in the context
# of the calling procedure and will then emulate a return function.
proc ProcedureArgumentEvaluationReturn {Result} {
upvar 2 ProcedureArgumentEvaluationResult ProcedureArgumentEvaluationResult
set ProcedureArgumentEvaluationResult $Result
return -code return
}
proc ProcedureArgumentEvaluation {} {
variable ProcDef
upvar args args
upvar SubProcedure SubProcedure
#### Extract the procedure and sub procedure names, call the procedure help if requested ####
# Evaluate the complete main procedure name that contains the namespace identification:
# The procedure name is given by the first element of 'info level':
set ProcedureCallLine [info level -1]
set ProcName [lindex $ProcedureCallLine 0]
# Create the full qualified procedure name (procedure name including namespace)
regexp {([^:]*)$} $ProcName {} ProcName
set NameSpace [uplevel 1 {namespace current}]
if {$NameSpace!="::"} {append NameSpace "::"}
set ProcName ${NameSpace}${ProcName}
# Evaluate the sub command names by checking if the first arguments are matching with
# a specified sub command name:
set SubProcedure ""
while {1} {
set ProcNameTmp "$ProcName [lindex $args 0]"
if {![info exists ProcDef($ProcNameTmp,VarList)] && [array names ProcDef "$ProcNameTmp *"]==""} {
# The argument is not matching with a specified sub command name (so it will be a
# real argument):
break
}
# Use the argument as sub procedure name:
set ProcName $ProcNameTmp
set SubProcedure $ProcName
set args [lrange $args 1 end]
}
# Check if help has been requested in the procedure call:
if {[lindex $args end]=="-help"} {
ProcedureHelp $ProcName
ProcedureArgumentEvaluationReturn "cancel"
}
# Check if the procedure call is an interactive call
set InteractiveCall [string match "-interactive" [lindex $args end]]
# Return an empty string if the main procedure has been called and if only sub-commands
# have been defined, but not the main procedure itself.
if {![info exists ProcDef($ProcName,VarList)]} {
ProcedureArgumentEvaluationReturn ""
}
#### Call an argument_dialogbox if the procedure has been called with'-interactive' ####
set NewArgs {}
if {$InteractiveCall} {
# Start creating the argument_dialogbox's argument list with the title attribute:
set DialogBoxArguments [list -title $ProcName -context $ProcName]
# Add eventual global validation commands
foreach ValidateCommand $ProcDef($ProcName,-validatecommand) {
lappend DialogBoxArguments -validatecommand2 $ValidateCommand
}
foreach ValidateCommandErrorText $ProcDef($ProcName,-validatecommand_error_text) {
lappend DialogBoxArguments -validatecommand2_error_text $ValidateCommandErrorText
}
# Create for each of the procedure arguments an entry for the argument_dialogbox:
foreach Var $ProcDef($ProcName,VarList) {
# Declare the result variables. These variables refer to the variables in the parent
# procedure (upvar). Attribute to these variables directly the default values that can be
# overwritten later with the new defined values.
upvar $Var Variable__$Var
# Create sections, write section and argument comments:
if {$ProcDef($ProcName,-interactive_display_format)=="extended"} {
if {[info exists ProcDef($ProcName,Arg,$Var,SectionComment)]} {
# If a section comment is defined, close an eventual open frame, add the
# section comment and add an eventually defined arguement comment:
lappend DialogBoxArguments -frame ""; # Close an eventual open frame
lappend DialogBoxArguments \
-comment [list -text $ProcDef($ProcName,Arg,$Var,SectionComment)]
if {[info exists ProcDef($ProcName,Arg,$Var,Comment)]} {
lappend DialogBoxArguments \
-comment [list -text $ProcDef($ProcName,Arg,$Var,Comment)]
}
}
# Create a frame around each argument entry in the extended format:
lappend DialogBoxArguments -frame [list -label $Var]
} elseif {[info exists ProcDef($ProcName,Arg,$Var,SectionComment)]} {
# If a section is defined, create a section frame in the sort format:
lappend DialogBoxArguments \
-frame [list -label $ProcDef($ProcName,Arg,$Var,SectionComment)]
}
# If an argument comment is defined but not yet applied, apply it:
if {[info exists ProcDef($ProcName,Arg,$Var,Comment)] &&
!( $ProcDef($ProcName,-interactive_display_format)=="extended" &&
[info exists ProcDef($ProcName,Arg,$Var,SectionComment)] )} {
lappend DialogBoxArguments \
-comment [list -text $ProcDef($ProcName,Arg,$Var,Comment)]
}
# Provide to the argument dialogbox all the argument attributes:
set ArgAttributes {}
if {$ProcDef($ProcName,Arg,$Var,-type)!=""} {
lappend ArgAttributes -type $ProcDef($ProcName,Arg,$Var,-type)
}
if {$ProcDef($ProcName,Arg,$Var,-optional)} {
lappend ArgAttributes -optional 1
}
if {[info exists ProcDef($ProcName,Arg,$Var,-range)] && \
$ProcDef($ProcName,Arg,$Var,-range)!=""} {
lappend ArgAttributes -range $ProcDef($ProcName,Arg,$Var,-range)
}
if {[info exists ProcDef($ProcName,Arg,$Var,-validatecommand)]} {
lappend ArgAttributes -validatecommand $ProcDef($ProcName,Arg,$Var,-validatecommand)
}
if {[info exists ProcDef($ProcName,Arg,$Var,-validatecommand_error_text)]} {
lappend ArgAttributes -validatecommand_error_text $ProcDef($ProcName,Arg,$Var,-validatecommand_error_text)
}
if {[info exists ProcDef($ProcName,Arg,$Var,-auxargs)] && $ProcDef($ProcName,Arg,$Var,-auxargs)!=""} {
set ArgAttributes [concat $ArgAttributes $ProcDef($ProcName,Arg,$Var,-auxargs)]
}
if {[info exists ProcDef($ProcName,Arg,$Var,-auxargs_commands)]} {
foreach {AuxArg_Name AuxArgCommand} $ProcDef($ProcName,Arg,$Var,-auxargs_commands) {
lappend ArgAttributes $AuxArg_Name [uplevel #1 $AuxArgCommand]
}
}
if {[info exists ProcDef($ProcName,Arg,$Var,-choicelabels)]} {
lappend ArgAttributes -choicelabels $ProcDef($ProcName,Arg,$Var,-choicelabels)
}
# Set the default values
if {[info exists ProcDef($ProcName,Arg,$Var,-default)]} {
lappend ArgAttributes -default $ProcDef($ProcName,Arg,$Var,-default)
}
# Add the variable name, type, description and range as labels and comments:
set Label $Var; # Default label
if {$ProcDef($ProcName,-interactive_display_format)=="extended"} {
# Add the argument description as comment
if {[info exists ProcDef($ProcName,Arg,$Var,-description)]} {
lappend DialogBoxArguments \
-comment [list -text $ProcDef($ProcName,Arg,$Var,-description)]
}
# Add the type and ranges as comment
if {[lsearch {"" "string" "none"} $ProcDef($ProcName,Arg,$Var,-type)]<0} {
set Comment "Type: $ProcDef($ProcName,Arg,$Var,-type), "
if {[info exists ProcDef($ProcName,Arg,$Var,-range)]} {
append Comment "range: [lindex $ProcDef($ProcName,Arg,$Var,-range) 0] .. \
[lindex $ProcDef($ProcName,Arg,$Var,-range) 1], "
}
lappend DialogBoxArguments -comment [list -text [string range $Comment 0 end-2]]
}
} else {
if {[info exists ProcDef($ProcName,Arg,$Var,-description)]} {
set Label $ProcDef($ProcName,Arg,$Var,-description)
}
}
# Select the adequate widget for the argument:
lappend ArgAttributes -label "$Label:" -variable Variable__$Var
# A specific entry widget is explicitly specified:
if {[info exists ProcDef($ProcName,Arg,$Var,-widget)]} {
lappend DialogBoxArguments -$ProcDef($ProcName,Arg,$Var,-widget) $ArgAttributes
# A type specific widget exists, so use this one:
} elseif {[info procs ad_form($ProcDef($ProcName,Arg,$Var,-type))]!=""} {
lappend DialogBoxArguments -$ProcDef($ProcName,Arg,$Var,-type) $ArgAttributes
# Use a simple checkbutton for flags:
} elseif {$ProcDef($ProcName,Arg,$Var,-type)=="none"} {
lappend DialogBoxArguments -checkbutton $ArgAttributes
# A choice list is provided with less or equal than 4 options, use radioboxes or checkboxes:
} elseif {[info exists ProcDef($ProcName,Arg,$Var,-choices)] && \
[llength $ProcDef($ProcName,Arg,$Var,-choices)]<=4} {
if {$ProcDef($ProcName,Arg,$Var,-multiple)} {
lappend DialogBoxArguments -checkbox [concat [list \
-choices $ProcDef($ProcName,Arg,$Var,-choices)] $ArgAttributes]
} else {
lappend DialogBoxArguments -radiobox [concat [list \
-choices $ProcDef($ProcName,Arg,$Var,-choices)] $ArgAttributes]
}
# A choice list is provided with less than 30 options, use a listbox or a disjointlistbox:
} elseif {[info exists ProcDef($ProcName,Arg,$Var,-choices)] && \
[llength $ProcDef($ProcName,Arg,$Var,-choices)]<30} {
if {$ProcDef($ProcName,Arg,$Var,-multiple)} {
lappend DialogBoxArguments -disjointlistbox [concat [list \
-choicevariable ProcDef($ProcName,Arg,$Var,-choices) -height 3] $ArgAttributes]
} else {
lappend DialogBoxArguments -listbox [concat [list \
-choicevariable ProcDef($ProcName,Arg,$Var,-choices) -height 3] $ArgAttributes]
}
# For all other cases, use a simple entry widget:
} else {
lappend DialogBoxArguments -entry $ArgAttributes
}
}
# Call the argument dialogbox
# puts "argument_dialogbox \{$DialogBoxArguments\}"
if {[argument_dialogbox $DialogBoxArguments]=="cancel"} {
# The argument dialogbox has been canceled, leave the calling procedure without
# executing the procedure body:
ProcedureArgumentEvaluationReturn cancel
}
# Set the variables of the optional arguments to the default values, if the variables
# haven't been defined by the argument dialogbox:
foreach Var $ProcDef($ProcName,VarList) {
if {![info exists Variable__$Var] && \
[info exists ProcDef($ProcName,Arg,$Var,-default)]} {
set Variable__$Var $ProcDef($ProcName,Arg,$Var,-default)
}
}
#### Non interactive call: Parse all arguments and define the argument variables ####
} else {
# Result variable declaration and default value definition
foreach Var $ProcDef($ProcName,VarList) {
# Declare the result variables. These variables refer to the variables in the parent
# procedure (upvar). Attribute to these variables directly the default values that can be
# overwritten later with the new defined values.
upvar $Var Variable__$Var
# Set the flags to the default values only when the procedure is called interactively:
if {$ProcDef($ProcName,Arg,$Var,-type)=="none"} {
set Variable__$Var 0
} elseif {[info exists ProcDef($ProcName,Arg,$Var,-default)]} {
# Apply an eventually defined default value, in case the argument is not a flag:
set Variable__$Var $ProcDef($ProcName,Arg,$Var,-default)
}
}
# Prepare parsing all arguments
set NbrArgs [llength $args]; # Number of provided arguments
set NumberUnnamedArgs 0
set ArgPos 0
# Parse the unnamed arguments if they are defined first and if some of them have been
# declared:
if {!$ProcDef($ProcName,-named_arguments_first)} {
# Parse all unnamed arguments. Stop parsing them when:
# 1) all unnamed arguments that have been declared have been parsed &&
# the last unnamed argument has not the -multiple option &&
# 2) the parsed argument is optional and starts with '-'
# 3) the parsed argument has can take multiple values &&
# one value has already been read &&
# the parsed argument starts with '-'
# An argument value is optional when it has been declared with the -optional option
# or when it is declared with the -multiple option and already one value has been
# attributed to the argument:
set IsOptional 0
# Loop through all arguments (only if unnamed arguments have been declared:
for {} {$ArgPos<[llength $args] && $ProcDef($ProcName,NbrUnnamedVars)>0} {incr ArgPos} {
# Get the next provided parameter value:
set arg [lindex $args $ArgPos]
# The ordered unnamed argument list provides the relevant argument:
set Var [lindex $ProcDef($ProcName,UnnamedVarList) $NumberUnnamedArgs]
# Stop parsing the unnamed arguments, if the procedure has also named arguments,
# if the argument to parse is optional, and if it starts with '-':
if {$ProcDef($ProcName,Arg,$Var,-optional)} {
set IsOptional 1
}
if {$ProcDef($ProcName,NbrNamedVars)>0 && $IsOptional && \
[string index $arg 0]=="-"} {
break
}
# If the argument can have multiple values: Don't update the unnamed argument
# counter to attribute the next values to the same argument. Declare the next
# values also as optional
if {$ProcDef($ProcName,Arg,$Var,-multiple)} {
lappend Variable__$Var $arg
set IsOptional 1
# Otherwise (the argument cannot have multiple values), assign the value to the
# variable. Exit the unnamed argument loop when the last declared argument has
# been read:
} else {
set Variable__$Var $arg
incr NumberUnnamedArgs
if {$NumberUnnamedArgs==$ProcDef($ProcName,NbrUnnamedVars)} {
incr ArgPos
break
}
}
}
# Create an error if there are other argument values that are provided, but when no
# named arguments are declared:
if {$ProcDef($ProcName,NbrNamedVars)==0 && $ArgPos<[llength $args]} {
ProcedureArgumentEvaluationReturn "$ProcName: Too many arguments: [lrange $args $ArgPos end]"
}
}
# Parse the named arguments
for {} {$ArgPos<[llength $args]} {incr ArgPos} {
# Get the argument name:
set arg [lindex $args $ArgPos]
# Ignore the '--' flag. Exit the named argument parsing loop if 'named arguments
# first' is configured
if {$arg=="--"} {
if {$ProcDef($ProcName,-named_arguments_first)} {
incr ArgPos
break
} else {
continue
}
}
# In case the named arguments are used first: Check if the next argument is not
# anymore a named argument and stop parsing the named arguments if this is the case.
if {$ProcDef($ProcName,-named_arguments_first) && [string index $arg 0]!="-"} {
break
}
# Otherwise (especially if the unnamed arguments are used first), check that the
# option name starts with '-':
if {[string index $arg 0]!="-"} {
ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '$arg' is not an option"
}
# Extract the variable name (eliminate the '-'):
set Var [string range $arg 1 end]
# Check if the variable (name) is known. When it is not known, complete it when the
# name matches with the begin of a known variable name, or generate otherwise an
# error:
if {![info exists ProcDef($ProcName,Arg,$Var,-type)]} {
# Argument completion is disabled - generate an error:
if {!$ProcDef($ProcName,-auto_argument_name_completion)} {
ProcedureArgumentEvaluationReturn "[PureProcName -appr]: Argument '-$Var' not known"
# Argument completion is enabled - check if the variable name corresponds to the
# begin of a known argument name:
} else {
# set MatchingVarList [lsearch -all -inline -glob $ProcDef($ProcName,VarList) ${Var}*] -> Tcl 8.3 doesn't support the -all and -inline switches!
set MatchingVarList {}
set VarList $ProcDef($ProcName,VarList)
while {[set Pos [lsearch -glob $VarList ${Var}*]]>=0} {
lappend MatchingVarList [lindex $VarList $Pos]
set VarList [lrange $VarList [expr $Pos+1] end]
}
# Complete the argument name if the argument doesn't exist, but if it is the begin of a declared argument.
switch [llength $MatchingVarList] {
1 {set Var $MatchingVarList}
0 {ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '-$Var' not known"}
default {ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '-$Var' may match multiple options: $MatchingVarList"}
}
}
}
# Set the variable value to '1' if the argument is a flag (type=='none'). Read
# otherwise the variable value:
if {$ProcDef($ProcName,Arg,$Var,-type)=="none"} { # The argument is a flag
set Value 1
# No argument value is provided - generate an error:
} elseif {$ArgPos==[llength $args]-1} {
ProcedureArgumentEvaluationReturn "[PureProcName]: No value is provided for argument '-$Var'"
# Read the argument value
} else {
set Value [lindex $args [incr ArgPos]]
}
# Define the argument variable. Append the new value to the existing value of the
# variable, if the '-multiple' attribute is set for the argument:
if {$ProcDef($ProcName,Arg,$Var,-multiple)} {
lappend Variable__$Var $Value
} else {
set Variable__$Var $Value
}
}
# In case the unnamed arguments are defined last, parse them now:
if {$ProcDef($ProcName,-named_arguments_first)} {
# Loop through the remaining arguments:
for {} {$ArgPos<[llength $args]} {incr ArgPos} {
# Get the next provided parameter value:
set arg [lindex $args $ArgPos]
# Assure that the number of provided arguments is not exceeding the total number
# of declared unnamed arguments:
if {$NumberUnnamedArgs>=$ProcDef($ProcName,NbrUnnamedVars)} {
# Too many unnamed arguments are used, generate an adequate error message:
if {[string index $arg 0]=="-"} {
ProcedureArgumentEvaluationReturn "[PureProcName]: Too many unnamed arguments, or incorrectly used named argument: $arg"
} else {
ProcedureArgumentEvaluationReturn "[PureProcName]: Too many unnamed arguments: $arg"
}
}
# The ordered unnamed argument list provides the relevant argument:
set Var [lindex $ProcDef($ProcName,UnnamedVarList) $NumberUnnamedArgs]
# Assign all remaining parameter values to the last argument if this one can
# take multiple values:
if {$ProcDef($ProcName,Arg,$Var,-multiple) && \
$NumberUnnamedArgs==$ProcDef($ProcName,NbrUnnamedVars)-1} {
set Variable__$Var [lrange $args $ArgPos end]
# incr NumberUnnamedArgs
set ArgPos [llength $args]
# Assign otherwise the parameter value to the actual argument
} else {
set Variable__$Var $arg
incr NumberUnnamedArgs
}
}
}
}
#### Argument validation ####
# Check that all mandatory arguments have been defined and that all arguments satisfy the
# defined type:
# Loop through all named and unnamed arguments:
foreach Var $ProcDef($ProcName,VarList) {
# An error is created when a variable is not optional and when it is not defined:
if {!$ProcDef($ProcName,Arg,$Var,-optional) && ![info exists Variable__$Var]} {
ProcedureArgumentEvaluationReturn "[PureProcName]: Required argument is missing: $Var"
}
# Check the variable value corresponds to the specified type:
if {[info exists Variable__$Var]} {
# Transform the variable value in a list in case the argument is not multiple
# definable:
set ValueList [set Variable__$Var]
if {!$ProcDef($ProcName,Arg,$Var,-multiple)} {
set ValueList [list $ValueList]
}
# Loop through all elements of this list and check if each element is valid:
foreach Value $ValueList {
# Check the argument type:
if {![Validate($ProcDef($ProcName,Arg,$Var,-type)) $Value]} {
ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '$Var' requires type '$ProcDef($ProcName,Arg,$Var,-type)'. Provided value: '$Value'"
}
# Check the argument with an eventually defined validation command:
if {[info exists ProcDef($ProcName,Arg,$Var,-validatecommand)]} {
regsub {%P} $ProcDef($ProcName,Arg,$Var,-validatecommand) $Value ValidateCommand
if {![uplevel $ValidateCommand]} {
if {[info exists ProcDef($ProcName,Arg,$Var,-validatecommand_error_text)]} {
ProcedureArgumentEvaluationReturn "[PureProcName]: $ProcDef($ProcName,Arg,$Var,-validatecommand_error_text)"
} else {
ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '$Var' is invalid. Provided value: '$Value'. Constraint: '$ProcDef($ProcName,Arg,$Var,-validatecommand)'"
}
}
}
# Check if the variable value satisfies an eventually defined range:
if {[info exists ProcDef($ProcName,Arg,$Var,-range)]} {
if {$Value<[lindex $ProcDef($ProcName,Arg,$Var,-range) 0] || \
$Value>[lindex $ProcDef($ProcName,Arg,$Var,-range) 1]} {
ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '$Var' has to be between [lindex $ProcDef($ProcName,Arg,$Var,-range) 0] and [lindex $ProcDef($ProcName,Arg,$Var,-range) 1]"
}
}
# Check the variable value is a member of a provided choice list:
if {[info exists ProcDef($ProcName,Arg,$Var,-choices)]} {
if {[lsearch -exact $ProcDef($ProcName,Arg,$Var,-choices) $Value]<0} {
ProcedureArgumentEvaluationReturn "[PureProcName]: Argument '$Var' has to be one of the following elements: [GetChoiceHelpText $ProcName $Var]"
}
}
}
}
}
#### Procedure level validation ####
foreach ValidateCommand $ProcDef($ProcName,-validatecommand) ValidateCommandErrorText $ProcDef($ProcName,-validatecommand_error_text) {
# regsub {%P} $ProcDef($ProcName,Arg,$Var,-validatecommand) $Value ValidateCommand
if {![uplevel $ValidateCommand]} {
if {$ValidateCommandErrorText!=""} {
ProcedureArgumentEvaluationReturn "[PureProcName]: $ValidateCommandErrorText"
} else {
ProcedureArgumentEvaluationReturn "[PureProcName]: Invalid argument(s) provided. Constraint: '$ValidateCommand'"
}
}
}
#### Log the procedure call ####
variable ProcedureCallLogList
if {$InteractiveCall && $ProcDef($ProcName,-command_log)=="interactive"} {
append ProcedureCallLogList $ProcName
if {$ProcDef($ProcName,-named_arguments_first)} {
set ParClasses {Named Unnamed}
} else {
set ParClasses {Unnamed Named}
}
foreach ParClass $ParClasses {
foreach Var $ProcDef($ProcName,${ParClass}VarList) {
if {![info exists Variable__$Var]} continue; # Skip optional arguments that haven't been defined
if {$ProcDef($ProcName,Arg,$Var,-type)!="none"} { # Non flag arguments
if {$ProcDef($ProcName,Arg,$Var,IsNamed)} {
append ProcedureCallLogList " -$Var"
}
append ProcedureCallLogList " \{[set Variable__$Var]\}"
} elseif {[set Variable__$Var]} { # Flags that are set
append ProcedureCallLogList " -$Var"
}
}
}
append ProcedureCallLogList "; \# interactive call\n"
} elseif {$ProcDef($ProcName,-command_log)=="1"} {
append ProcedureCallLogList "$ProcedureCallLine\n"
}
ProcedureArgumentEvaluationReturn ""
}
######## Validation commands ########
# For each of the standard argument types supported by TEPAM, the validation command
# 'Validate(<Type>) specified in the following section. These commands have to return '1' in
# case the provided value correspond to the relevant type and '0' if not. Additional user or
# application specific types can easily be supported simply by adding a validation command
# for the new type into the 'tepam' namespace.
proc Validate() {v} {return 1}
proc Validate(none) {v} {return 1}
proc Validate(string) {v} {return 1}
proc Validate(text) {v} {return 1}
proc Validate(boolean) {v} {string is boolean -strict $v}
proc Validate(double) {v} {string is double -strict $v}
proc Validate(integer) {v} {string is integer -strict $v}
proc Validate(alnum) {v} {string is alnum $v}
proc Validate(alpha) {v} {string is alpha $v}
proc Validate(ascii) {v} {string is ascii $v}
proc Validate(control) {v} {string is control $v}
proc Validate(digit) {v} {string is digit $v}
proc Validate(graph) {v} {string is graph $v}
proc Validate(lower) {v} {string is lower $v}
proc Validate(print) {v} {string is print $v}
proc Validate(punct) {v} {string is punct $v}
proc Validate(space) {v} {string is space $v}
proc Validate(upper) {v} {string is upper $v}
proc Validate(wordchar) {v} {string is wordchar $v}
proc Validate(xdigit) {v} {string is xdigit $v}
proc Validate(char) {v} {expr [string length $v]==1}
proc Validate(color) {v} {expr ![catch {winfo rgb . $v}]}
proc Validate(font) {v} {expr ![catch {font measure $v ""}]}
proc Validate(file) {v} {expr [string length $v]>0 && ![regexp {[\"*?<>]} $v]}
proc Validate(existingfile) {v} {file exists $v}
proc Validate(directory) {v} {return 1}
proc Validate(existingdirectory) {v} {file isdirectory $v}
######## Help text generation ########
# 'ProcedureHelp_Append' appends a piece of text to the existing HelpText variable of the
# calling context (procedure). Tabulator characters are replaced through 3 spaces. Lines are
# reformatted to respect the maximum allowed line length. In case a line is wrapped, the leading
# spaces of the first line are added to the begin of the following lines. Multiple lines can be
# provided as text piece and these multiple lines are handled independently each to another.
proc ProcedureHelp_Append {Text} {
upvar HelpText HelpText
variable help_line_length
# Replace tabs through 3 spaces:
regsub -all {\t} $Text " " Text
# Extract the initial spaces of the first line:
regexp {^(\s*)} $Text {} SpaceStart
# Loop through each of the provided help text line:
foreach line [split $Text "\n"] {
# Eliminate leading spaces of the line:
regexp {^\s+'*(.*)$} $line {} line
# Cut the line into segments that doesn't exceed the maximum allowed help line length.
# Add in front of each new line the initial spaces of the first line:
while {$line!=""} {
# Align the leading line spaces to the first line:
set line ${SpaceStart}${line}
#### Next line cutoff position evaluation ####
# Select the next line cut position. The default position is set to the line end:
set LastPos [string length $line]
# Search for the last space inside the line section that is inside the specified
# maximum line length:
if {$LastPos>$help_line_length} {
set LastPos [string last " " $line $help_line_length]
}
# If the evaluated line break position is inside the range of the initial line spaces,
# something goes wrong and the line should be broken at another adequate character:
if {$LastPos<=[string length $SpaceStart]-1} {
# Search for other good line break characters (:
set LastPos [lindex [lindex \
[regexp -inline -indices {[^,:\.?\)]+$} \
{ProcDef(::ImportTestPointAssignmentsGeneric,Arg_SectionComment,ColumnSeparation}] 0] 0]
# No line break position could be found:
if {$LastPos=={}} {set LinePos 0}
}
# Break the line simply at the maximum allowed length in case no break position could
# be found:
if {$LastPos<=[string length $SpaceStart]-1} {set LastPos $help_line_length}
# Add the line segment to the help text:
append HelpText [string range $line 0 [expr $LastPos-1]]\n
# Eliminate the segment from the actual line:
set line [string range $line [expr $LastPos+1] end]
}
}
}
# GetChoiceHelpText returns a help text for the choice options. The returned string corresponds
# to the comma separated choice list in case no choice labels are defined. Otherwise, the
# choice labels are added behind the choice options in paranthesis.
proc GetChoiceHelpText {ProcName Var} {
variable ProcDef
set ChoiceHelpText ""
set LabelList {}
catch {set LabelList $ProcDef($ProcName,Arg,$Var,-choicelabels)}
foreach Choice $ProcDef($ProcName,Arg,$Var,-choices) Label $LabelList {
append ChoiceHelpText ", $Choice"
if {$Label!=""} {
append ChoiceHelpText "($Label)"
}
}
return [string range $ChoiceHelpText 2 end]
}
# 'ProcedureHelp' behaves in different ways, depending the provided argument. Called without any
# argument, it summarizes all the declared procedures without explaining details about the
# procedure arguments. Called with a particular procedure name as parameter, it produces for
# this procedure a comprehensive help text. And finally, if it is called with the name of a main
# procedure that has multiple sub procedures, it generates for all the sub procedures the
# complete help text.
proc ProcedureHelp {{ProcName ""} {ReturnHelp 0}} {
variable ProcDef
variable ProcedureList
ProcedureHelp_Append "NAME"
# Print a list of available commands when no procedure name has been provided as argument:
if {$ProcName==""} {
foreach ProcName [lsort -dictionary $ProcedureList] {
if {[info exists ProcDef($ProcName,-short_description)]} {
ProcedureHelp_Append " [PureProcName] - $ProcDef($ProcName,-short_description)"
} else {
ProcedureHelp_Append " [PureProcName]"
}
}
# A procedure name has been provided, generate a detailed help text for this procedure, or
# for all sub procedures if only the main procedure names has been provided:
} else {
# Create the full qualified procedure name (procedure name including namespace).
# Check if the procedure name contains already the name space identification:
if {[string range $ProcName 0 1]!="::"} {
# The namespace is not part of the used procedure name call. Evaluate it explicitly:
set NameSpace [uplevel 1 {namespace current}]
if {$NameSpace!="::"} {append NameSpace "::"}
set ProcName ${NameSpace}${ProcName}
}
set PureProcName [PureProcName]
# Add the short description if it exists to the NAME help text section. Please note that
# only the short description of a main procedure is used in case the procedure has also
# sub procedures.
if {[info exists ProcDef($ProcName,-short_description)]} {
ProcedureHelp_Append " $PureProcName - $ProcDef($ProcName,-short_description)"
} else {
ProcedureHelp_Append " $PureProcName"
}
# Create the SYNOPSIS section which contains also the synopsis of eventual sub procedures:
ProcedureHelp_Append "SYNOPSIS"
set NbrDescriptions 0
set NbrExamples 0
# Loop through all procedures and sub procedures:
set ProcNames [lsort -dictionary [concat [list $ProcName] [info procs "$ProcName *"]]]
foreach ProcName $ProcNames {
# Skip the (sub) procedure if it has not been explicitly declared. This may be the
# case for procedures that are not implemented themselves but which have sub procedures:
if {![info exists ProcDef($ProcName,VarList)]} continue
set PureProcName [PureProcName]
# Add to the help text first the procedure name, and then in the following lines its
# arguments:
ProcedureHelp_Append " $PureProcName"
if {$ProcDef($ProcName,-named_arguments_first)} {
set ParClasses {Named Unnamed}
} else {
set ParClasses {Unnamed Named}
}
foreach ParClass $ParClasses {
foreach Var $ProcDef($ProcName,${ParClass}VarList) {
# Section comment: Create a clean separation of the arguments:
if {[info exists ProcDef($ProcName,Arg,$Var,SectionComment)]} {
ProcedureHelp_Append " --- $ProcDef($ProcName,Arg,$Var,SectionComment) ---"
}
# Argument declaration - put optional arguments into brackets, show the name
# of named arguments, add existing descriptions as well as range, type, choice
# definitions:
set HelpLine " "
if {$ProcDef($ProcName,Arg,$Var,-optional)} {
append HelpLine "\["
}
if {$ProcDef($ProcName,Arg,$Var,IsNamed)} {
append HelpLine "-$Var "
}
if {$ProcDef($ProcName,Arg,$Var,-type)!="none"} {
append HelpLine "<$Var>"
}
if {$ProcDef($ProcName,Arg,$Var,-optional)} {
append HelpLine "\]"
}
ProcedureHelp_Append $HelpLine
set HelpLine " "
if {[info exists ProcDef($ProcName,Arg,$Var,-description)]} {
append HelpLine "$ProcDef($ProcName,Arg,$Var,-description), "
}
if {[lsearch -exact {"" "none"} $ProcDef($ProcName,Arg,$Var,-type)]<0} {
append HelpLine "type: $ProcDef($ProcName,Arg,$Var,-type), "
}
if {[info exists ProcDef($ProcName,Arg,$Var,-default)]} {
if {[lsearch -exact {"" "string"} $ProcDef($ProcName,Arg,$Var,-type)]>=0 || $ProcDef($ProcName,Arg,$Var,-default)==""} {
append HelpLine "default: \"$ProcDef($ProcName,Arg,$Var,-default)\", "
} else {
append HelpLine "default: $ProcDef($ProcName,Arg,$Var,-default), "
}
}
if {$ProcDef($ProcName,Arg,$Var,-multiple)} {
append HelpLine "multiple: yes, "
}
if {[info exists ProcDef($ProcName,Arg,$Var,-range)]} {
append HelpLine "range: [lindex $ProcDef($ProcName,Arg,$Var,-range) 0]..[lindex $ProcDef($ProcName,Arg,$Var,-range) 1], "
}
if {[info exists ProcDef($ProcName,Arg,$Var,-choices)]} {
append HelpLine "choices: \{[GetChoiceHelpText $ProcName $Var]\}, "
}
# Eliminate the last ", ":
ProcedureHelp_Append [string range $HelpLine 0 end-2]
}
}
# Remember if descriptions and/or examples are provided for the procedure:
if {[info exists ProcDef($ProcName,-description)]} {
incr NbrDescriptions
}
if {[info exists ProcDef($ProcName,-example)]} {
incr NbrExamples
}
}
# Add for the procedure and sub procedures the descriptions:
if {$NbrDescriptions>0} {
ProcedureHelp_Append "DESCRIPTION"
foreach ProcName $ProcNames {
if {[info exists ProcDef($ProcName,-description)]} {
if {[llength $ProcNames]>1} {
ProcedureHelp_Append " $PureProcName"
ProcedureHelp_Append " $ProcDef($ProcName,-description)"
} else {
ProcedureHelp_Append " $ProcDef($ProcName,-description)"
}
}
}
}
# Add for the procedure and sub procedures the examples:
if {$NbrExamples>0} {
ProcedureHelp_Append "EXAMPLE"
foreach ProcName $ProcNames {
if {[info exists ProcDef($ProcName,-example)]} {
if {[llength $ProcNames]>1} {
ProcedureHelp_Append " $PureProcName"
ProcedureHelp_Append " $ProcDef($ProcName,-example)"
} else {
ProcedureHelp_Append " $ProcDef($ProcName,-example)"
}
}
}
}
}
# The created help text is by default printed to stdout. The text will be returned
# as result when 'ReturnHelp' is set to 1:
if {$ReturnHelp} {
return $HelpText
} else {
puts $HelpText
}
}
##########################################################################
# argument_dialogbox #
##########################################################################
######## Argument_dialogbox configuration ########
# Application specific entry widget procedures can use this array variable to store their own
# data, using as index the widget path provided to the procedure, e.g.
# argument_dialogbox($W,<sub_index>):
array set argument_dialogbox {}
# Special elements of this array variable can be specified for testing purposes:
#
# Set to following variable to "ok" to simulate an acknowledge of the dialog box and to
# "cancel" to simulate an activation of the Cancel button:
set argument_dialogbox(test,status) ""
# The following variable can contain a script that is executed for test purposes, before
# the argument dialog box waits on user interactions. The script is executed in the context
# of the argument dialog box. Entire user interaction actions can be emulated together
# with the previous variable.
set argument_dialogbox(test,script) {}
# The array variable 'last_parameters' is only used by an argument dialog box when its context
# has been specified via the -context attribute. The argument dialog box' position and size as
# well as its entered data are stored inside this variable when the data are acknowledged and
# the form is closed. This allows the form to restore its previous state once it is called
# another time.
array set last_parameters {}
######## Argument_dialogbox help text ########
set ArgumentDialogboxHelp {
argument_dialogbox \
[-title <DialogBoxTitle>]
[-window <DialogBoxWindow>]
[-context <DialogBoxContext>]
[-validatecommand <Script>]
[-validatecommand_error_text <Script>]
<ArgumentDefinition>|<FrameDefinition>|<Comment>
[<ArgumentDefinition>|<FrameDefinition>|<Separation>|<Comment>]
[<ArgumentDefinition>|<FrameDefinition>|<Separation>|<Comment>]
...
<FrameDefinition> = -frame <FrameLabel>
<Separation> = -sep {}
<Comment> = -comment {-text <text>}
<ArgumentDefinition> =
<ArgumentWidgetType>
{
[-variable <variable>]
[-label <LabelName>]
[-choices <ChoiceList>]
[-choicelabels <ChoiceLabelList>]
[-choicevariable <ChoiceVariable>]
[-default <DefaultValue>]
[-multiple_selection 0|1]
[-height <Height>]
[-validatecommand <Script>]
[-validatecommand_error_text <Script>]
[-validatecommand2 <Script>]
[-validatecommand2_error_text <Script>]
[<WidgetTypeParameter1> <WidgetTypeParameterValue1>]
[<WidgetTypeParameter2> <WidgetTypeParameterValue2>]
...
}
<ParameterWidgetType> = <StandardParameterWidgetType>|<ApplicationSpecificParameterWidgetType>
<StandardParameterWidgetType> = {
-entry
-checkbox -radiobox -checkbutton
-listbox -disjointlistbox -combobox
-file -existingfile -directory -existingdirectory
-color -font
}
}
# Eliminate leading tabs in the help text and replace eventual tabs through spaces
regsub -all -line {^\t\t} $ArgumentDialogboxHelp "" ArgumentDialogboxHelp
regsub -all -line {\t} $ArgumentDialogboxHelp " " ArgumentDialogboxHelp
######## argument_dialogbox ########
# The argument dialog box allows a very easy generation of complex dialog boxes that can be
# used for tool configuration purposes or to control actions.
# The argument dialog box accepts only named arguments, e.g. all arguments have to be defined
# as argument pairs (-<ArgumentName> <ArgumentValue>). There are some view arguments like -title,
# -windows and -context that effect the argument dialog box' general attitude and embedding. The
# remaining argument block's objective is the definition of variables. Except the two arguments
# -frame and -sep that are used to structure graphically the form, all other arguments have to
# be assigned either to a local or global variable. The argument dialog box will create in the
# procedure from which it has been called a local variable, unless the variable has not been
# defined explicitly as global variable, or as part of a certain namespace.
# The argument dialog box requires for each variable that has to be controlled a separate
# parameter pair. The first element is indicating the entry form that will be used to control
# the variable, the second element provides information concerning the variable that has to be
# defined and about its validation as well as parameters for the entry form. TEPAM provides
# already a lot of available entry forms, but other application specific forms can easily been
# added if necessary.
# The following lines show an example of the way how the argument dialog box is used:
#
# argument_dialogbox \
# -title "System configuration" \
# -window .dialog_box \
# -context test_1 \
# \
# -frame {-label "File definitions"} \
# -comment {-text "Here are two entry fields"} \
# -file {-variable InputFile} \
# -file {-label "Output file" -variable OutputFile} \
# -frame {-label "Frame2"} \
# -entry {-label Offset -variable OffsetValue} \
# -sep {} \
# -listbox {-label MyListBox -variable O(-lb1) -choices {1 2 3 4 5 6 7 8} -choicevariable ::O(-lb1_contents) -multiple_selection 1} \
# -frame {-label "Check and radio boxes"} \
# -checkbox {-label MyCheckBox -variable O(-check1) -choices {bold italic underline} -choicelabels {Bold Italic Underline}} \
# -radiobox {-label MyRadioBox -variable O(-radio1) -choices {bold italic underline} -choicelabels {Bold Italic Underline}} \
# -checkbutton {-label MyCheckButton -variable O(-check2)} \
# -frame {-label "Others"} \
# -color {-label "Background color" -variable MyColor} \
proc argument_dialogbox {args} {
variable argument_dialogbox
variable ArgumentDialogboxHelp
variable last_parameters
# Call an initialization command that generates eventual required images:
GuiEnvironmentInit
#### Basic parameter check ####
# Use the args' first element as args list if args contains only one element:
if {[llength $args]==1} {
set args [lindex $args 0]
}
# Check if arguments are provided and if the number of arguments is even:
if {[llength $args]<1} {
return -code error "argument_dialogbox: no argument is provided"
}
if {[llength $args]%2!=0 && $args!="-help"} {
return -code error "argument_dialogbox: arguments have to be provided in key/value pairs"
}
#### Global parameter evaluation and top-level window creation ####
# The following default widget path can be changed with the -window argument:
set Wtop .dialog
# Initialize the global parameters
# YScroll=auto: Scroll is enabled in function of the windows and screen size
array set ProcOption {
-validatecommand {} -validatecommand2 {}
-validatecommand_error_text {} -validatecommand2_error_text {}
-parent .
-title "Dialog"
-yscroll "auto"
}
# Read the global parameters by looping through all arguments to select the relevant
# ones:
foreach {ArgName ArgValue} $args {
switch -- $ArgName {
-help {puts $ArgumentDialogboxHelp; return}
-window {set Wtop $ArgValue}
-parent -
-context -
-title -
-yscroll -
-validatecommand -
-validatecommand2 -
-validatecommand_error_text -
-validatecommand2_error_text {
lappend ProcOption($ArgName) $ArgValue
}
}
}
# Create the dialog box' top-level window. Hide it until the windows has been entirely
# deployed:
catch {destroy $Wtop}
toplevel $Wtop
wm withdraw $Wtop
wm title $Wtop $ProcOption(-title)
wm transient $Wtop $ProcOption(-parent)
grid [frame $Wtop.sf] -row 0 -column 0 -sticky news
grid columnconfigure $Wtop 0 -weight 1
grid rowconfigure $Wtop 0 -weight 1
frame $Wtop.sf.f
# Delete eventually variables defined by a previous call of the argument dialog box:
catch {array unset argument_dialogbox $Wtop,*}
catch {array unset argument_dialogbox $Wtop.*}
#### Argument dependent dialog box generation ####
# Loop through all arguments and build the dialog box:
set ArgNbr -1
set Framed 0
set W $Wtop.sf.f
foreach {ArgName ArgValue} $args {
incr ArgNbr
# Check that the argument is a named argument:
if {[string index $ArgName 0]!="-"} {
return -code error "Argument $ArgName not known"
}
# Skip the global parameters that have already been processed
if {[lsearch -exact {-window -parent -context -title -help -yscroll
-validatecommand -validatecommand2
-validatecommand_error_text -validatecommand2_error_text} $ArgName]>=0} continue
# Define the widget path for the new argument:
set WChild($ArgNbr) $W.child_$ArgNbr
# An argument option array will be created, based on the argument value list:
if {$ArgName!="-sep"} {
catch {unset Option}
array set Option {-label "" -optional 0}
if {[llength $ArgValue]%2!=0} {
return -code error "argument_dialogbox, argument $ArgName: Attribute definition list has to contain an even number of elements"
}
array set Option $ArgValue
}
# The leading '-' of the argument name will not be used anymore in the remaining code:
set ElementType [string range $ArgName 1 end]
switch -- $ElementType {
frame {
# Handle frames - close an eventual already open frame first:
if {$Framed} {
set W [winfo parent [winfo parent $W]]
set WChild($ArgNbr) $W.child_$ArgNbr
}
set Framed 0
# Create only a new frame when the provided argument list is not empty:
if {$ArgValue!=""} {
# Create a labeled frame (for Tk 8.3 that doesn't contain a label frame)
set FontSize 10
pack [frame $WChild($ArgNbr) -bd 0] \
-pady [expr $FontSize/2] -padx 2 -fill both -expand no
pack [frame $WChild($ArgNbr).f -bd 2 -relief groove] \
-pady [expr $FontSize/2] -fill both -expand no
place [label $WChild($ArgNbr).label -text $Option(-label)] \
-x $FontSize -y [expr $FontSize/2] -anchor w
pack [canvas $WChild($ArgNbr).f.space -height [expr $FontSize/4] -width 10] \
-pady 0
set W $WChild($ArgNbr).f
set Framed 1
}
}
sep {
# A separator is nothing else than a frame widget that has 'no height' and a
# relief structure:
pack [frame $WChild($ArgNbr) -height 2 -borderwidth 1 -relief sunken] \
-fill x -expand no -pady 4
}
comment {
# A simple label widget is used for comments:
pack [label $WChild($ArgNbr) -text $Option(-text) -fg blue -justify left] \
-anchor w -expand no -pady 2
}
default {
# All other arguments, e.g. the real entries to define the variables, are
# handled by procedures that provides sub commands for the different usages:
# ad_form(<EntryType>) create - creates the entry widget
# ad_form(<EntryType>) set_choice - set the choice constraints
# ad_form(<EntryType>) set - set the default value
# ad_form(<EntryType>) get - read the defined value
# Create a text in front of the entry widget if the -text attribute is defined:
if {[info exists Option(-text)]} {
pack [label $WChild($ArgNbr)_txt -text $Option(-text) -fg blue \
-justify left] -anchor w -expand no -pady 2
}
# Create for the entry a frame and place the label together with a sub frame
# into it:
pack [frame $WChild($ArgNbr)] -fill x -expand yes
pack [label $WChild($ArgNbr).label -text $Option(-label)] -pady 4 -side left
pack [frame $WChild($ArgNbr).f] -fill x -expand yes -side left
# Delete eventual existing array members related to the new entry:
array unset argument_dialogbox $WChild($ArgNbr),*
# Create the variable entry form:
ad_form($ElementType) $WChild($ArgNbr).f create
# Attribute if existing the choice list. This list can either be provided via
# the -choicevariable or via -choices:
if {[info exists Option(-choicevariable)] && \
[uplevel 1 "info exists \"$Option(-choicevariable)\""]} {
ad_form($ElementType) $WChild($ArgNbr).f set_choice \
[uplevel 1 "set \"$Option(-choicevariable)\""]
} elseif {[info exists Option(-choices)]} {
ad_form($ElementType) $WChild($ArgNbr).f set_choice $Option(-choices)
}
# Apply the default value. If the variable exists already, use the variable value
# as default value. Otherwise, check if the last_parameter array provides the
# value from a previous usage. And finally, check if a default value is provided
# via the -default option:
if {[info exists Option(-variable)] && \
[uplevel 1 "info exists \"$Option(-variable)\""]} {
ad_form($ElementType) $WChild($ArgNbr).f set \
[uplevel 1 "set \"$Option(-variable)\""]
} elseif {[info exists Option(-variable)] && [info exists ProcOption(-context)] && \
[info exists last_parameters($ProcOption(-context),$Option(-variable))]} {
ad_form($ElementType) $WChild($ArgNbr).f set \
$last_parameters($ProcOption(-context),$Option(-variable))
} elseif {[info exists Option(-default)]} {
ad_form($ElementType) $WChild($ArgNbr).f set $Option(-default)
}
# Check if the 'Validate' command is defined for the provided variable type:
if {[info exists Option(-type)] && [catch {Validate($Option(-type)) ""}]} {
return -code error "Argument_dialogbox: Argument type '$Option(-default)' not known"
}
}
}
}
#### Dialog box finalization ####
# Add the OK and cancel buttons, restore eventually saved geometry data and deiconify finally
# the form:
grid [frame $Wtop.buttons] -row 1 -column 0 -columnspan 2 -sticky ew
button $Wtop.buttons.ok -text OK -command "set ::tepam::argument_dialogbox($Wtop,status) ok"
button $Wtop.buttons.cancel -text Cancel -command "set ::tepam::argument_dialogbox($Wtop,status) cancel"
pack $Wtop.buttons.ok $Wtop.buttons.cancel -side left -fill x -expand yes
update
if {$ProcOption(-yscroll)==1 || ($ProcOption(-yscroll)=="auto" &&
[winfo reqheight $Wtop.sf.f]+[winfo reqheight $Wtop]>[winfo screenheight $Wtop]*2/3)} {
place $Wtop.sf.f -x 0 -y 0 -relwidth 1; # -relheight 1
grid [scrollbar $Wtop.scale -orient v -command "tepam::argument_dialogbox_scroll $Wtop"] -row 0 -column 1 -sticky ns
wm geometry $Wtop [winfo reqwidth $Wtop.sf.f]x[expr [winfo screenheight $Wtop.sf.f]*2/3]
update
tepam::argument_dialogbox_scroll $Wtop init
# Add the bindings
bind $Wtop.sf <Configure> "tepam::argument_dialogbox_scroll $Wtop config %W %w %h"
bind $Wtop <MouseWheel> "if {%D>0} {tepam::argument_dialogbox_scroll $Wtop scroll -1 units} elseif {%D<0} {tepam::argument_dialogbox_scroll $Wtop scroll 1 units}"
bind $Wtop <Button-4> "tepam::argument_dialogbox_scroll $Wtop scroll -1 units"
bind $Wtop <Button-5> "tepam::argument_dialogbox_scroll $Wtop scroll 1 units"
} else {
pack $Wtop.sf.f -expand yes -fill both
}
if {[info exists ProcOption(-context)] && [info exists last_parameters($ProcOption(-context),-geometry)]} {
ConfigureWindowsGeometry $Wtop $last_parameters($ProcOption(-context),-geometry)
}
wm protocol $Wtop WM_DELETE_WINDOW "set ::tepam::argument_dialogbox($Wtop,status) cancel"
wm deiconify $Wtop
#### Wait until the dialog box's entries are acknowleged (OK button) or discarded #
# Execute a script if required (only for testing purposes)
if {$argument_dialogbox(test,script)!={}} {
eval $argument_dialogbox(test,script)
}
# Stay in a loop until all the provided values have been validated:
while {1} {
# Wait until the OK or cancel button is pressed:
set argument_dialogbox($Wtop,status) ""
if {$argument_dialogbox(test,status)==""} {
vwait ::tepam::argument_dialogbox($Wtop,status)
set status $argument_dialogbox($Wtop,status)
} else { # Emulate the button activation for test purposes
set status $argument_dialogbox(test,status)
}
# Cancel has been pressed - exit the wait loop:
if {$status=="cancel"} break
# Read all the provided values, validate them, and assign them the corresponding
# variables:
set ErrorMessage ""
set ArgNbr -1
foreach {ArgName ArgValue} $args {
incr ArgNbr
# Extract the element type (eliminate the leading '-') and the parameters to the
# Option array:
set ElementType [string range $ArgName 1 end]
if {[llength $ArgValue]<2 || [llength $ArgValue]%2!=0} continue
catch {unset Option}
array set Option {-label "" -optional 0}
array set Option $ArgValue
# No variable is assigned to the entry, so skip this parameter:
if {![info exists Option(-variable)]} continue
# Read the result, check it and assign the result variable
set Value [ad_form($ElementType) $WChild($ArgNbr).f get]
# Validate the provided data:
if {$Value!="" || $Option(-optional)==0} {
if {[info exists Option(-type)] && ![Validate($Option(-type)) $Value]} {
append ErrorMessage "$Option(-variable): Required type is $Option(-type)\n"
}
# Apply the validate command if existing:
if {[info exists Option(-validatecommand)]} {
regsub {%P} $Option(-validatecommand) $Value ValidateCommand
if {![uplevel $ValidateCommand]} {
if {[info exists Option(-validatecommand_error_text)]} {
append ErrorMessage "$Option(-validatecommand_error_text)\n"
} else {
append ErrorMessage "$Option(-variable): The value '$Value' is not valid\n"
}
}
}
# Check against a provided range:
if {[info exists Option(-range)]} {
if {$Value<[lindex $Option(-range) 0] || \
$Value>[lindex $Option(-range) 1]} {
append ErrorMessage "$Option(-variable): The value has to be between [lindex $Option(-range) 0] and [lindex $Option(-range) 1]\n"
}
}
# Check that the variable value is a member of a provided choice list. Some
# flexibility is required for this check, since the specified value may be a list
# of multiple elements that are matching the choice list.
if {[info exists Option(-choices)]} {
set ChoiceError 0
foreach v $Value {
if {[lsearch -exact $Option(-choices) $v]<0} {
incr ChoiceError
}
}
if {$ChoiceError && [lsearch -exact $Option(-choices) $Value]<0} {
append ErrorMessage "$Option(-variable): The value(s) has(have) to be one of the following elements: $Option(-choices)\n"
}
}
}
if {[info exists ProcOption(-context)]} {
set last_parameters($ProcOption(-context),$Option(-variable)) $Value
}
}
if {$ErrorMessage==""} {
#### Assign the values to the variables ####
set ArgNbr -1
foreach {ArgName ArgValue} $args {
incr ArgNbr
# Extract the element type (eliminate the leading '-') and the parameters to the
# Option array:
set ElementType [string range $ArgName 1 end]
if {[llength $ArgValue]<2 || [llength $ArgValue]%2!=0} continue
catch {unset Option}
array set Option {-label "" -optional 0}
array set Option $ArgValue
# No variable is assigned to the entry, so skip this parameter:
if {![info exists Option(-variable)]} continue
# Read the result, check it and assign the result variable
set Value [ad_form($ElementType) $WChild($ArgNbr).f get]
# Define the variable in the context of the calling procedure:
if {$Value!="" || $Option(-optional)==0} {
uplevel 1 "set \"$Option(-variable)\" \{$Value\}"
}
}
#### Perform the custom argument validations ####
foreach {VCommandO VCommandErrTxtO VLevel} {
-validatecommand -validatecommand_error_text 1
-validatecommand2 -validatecommand2_error_text 2
} {
foreach ValidateCommand $ProcOption($VCommandO) ValidateCommandErrTxt $ProcOption($VCommandErrTxtO) {
if {![uplevel $VLevel $ValidateCommand]} {
if {$ValidateCommandErrTxt!=""} {
append ErrorMessage "$ValidateCommandErrTxt\n"
} else {
append ErrorMessage "Validation constraint '$ArgValue' is not satisfied\n"
}
}
}
}
}
# Exit the loop if everything could be validated
if {$ErrorMessage==""} break
# Generate otherwise an error message box
if {$argument_dialogbox(test,status)==""} {
tk_messageBox -icon error -title Error -type ok -parent $Wtop \
-message "The entries could not be successfully validated:\n\n$ErrorMessage\nPlease correct the related entries."
raise $Wtop
} else { # Return the error message as error for test purposes
return -code error "The entries could not be successfully validated:\n\n$ErrorMessage\nPlease correct the related entries."
}
}
#### Save the dialog box' geometry and destroy the form ####
if {[info exists ProcOption(-context)]} {
set last_parameters($ProcOption(-context),-geometry) [wm geometry $Wtop]
}
destroy $Wtop
array unset argument_dialogbox $Wtop,*
return $status
}
# The procedure 'argument_dialogbox_scroll' is used by the argument dialogbox' y-scrollbar to
# execute the scroll commands. It implements the Tk typical scroll commands like 'moveto',
# 'scroll x pages/units'. In addition to this it implements also an initialization (used to
# initialize the scrolled frame) and a configuragion command that can be executed when a
# configuration event happens.
proc argument_dialogbox_scroll {Wtop Command args} {
set FrameHeight [winfo reqheight $Wtop.sf.f]
set VisibleHeight [expr 1.0*[winfo height $Wtop.sf]/$FrameHeight]
set ActualPositionY [lindex [$Wtop.scale get] 0]
switch -- $Command {
init {
set ::tepam::argument_dialogbox($Wtop,wsize) ""
}
config {
if {[lindex $args 0]!="$Wtop.sf" || $args==$::tepam::argument_dialogbox($Wtop,wsize)} return
set ::tepam::argument_dialogbox($Wtop,wsize) $args
argument_dialogbox_scroll $Wtop moveto 0
}
moveto {
# Get the desired scroll position, and keep it within the valid scroll range
set NewPositionY [lindex $args 0]
if {$NewPositionY<0} {set NewPositionY 0}
if {$NewPositionY>1.0-$VisibleHeight} {set NewPositionY [expr 1.0-$VisibleHeight]}
# Adjust the scrollable frame location
place configure $Wtop.sf.f -y [expr -1.0*$NewPositionY*$FrameHeight]
# Adjust the scrollbar status
$Wtop.scale set $NewPositionY [expr $NewPositionY+$VisibleHeight]
}
scroll {
set StepH [expr 30.0/$FrameHeight]; # This defines the scroll unit
switch -- $args {
"-1 pages" {
argument_dialogbox_scroll $Wtop moveto [expr $ActualPositionY-$VisibleHeight]
}
"1 pages" {
argument_dialogbox_scroll $Wtop moveto [expr $ActualPositionY+$VisibleHeight]
}
"-1 units" {
argument_dialogbox_scroll $Wtop moveto [expr $ActualPositionY-$StepH]
}
"1 units" {
argument_dialogbox_scroll $Wtop moveto [expr $ActualPositionY+$StepH]
}
}
}
}
}
# Create the necessary resources when the argument dialog box is called the first time:
proc GuiEnvironmentInit {} {
if {[lsearch [image names] Tepam_SmallFlashDown]>=0} return
image create bitmap Tepam_SmallFlashDown -data {#define down_width 8
#define down_height 8
static unsigned char down_bits[] = {
0x00 0x00 0xff 0x7e 0x3c 0x18 0x00 0x00 }; }
}
# The following procedure defines the geometry (WxH+-X+-Y) of a window. The geometry is provided as
# second parameter. The position (X/Y) are verified and corrected if necessary to make the window
# entirly visible on the screen.
# This position correction is particularly interesting if an application runs within the same user
# environment, but with different screen configurations.
proc ConfigureWindowsGeometry {W Geometry} {
set Width 200
set Height 150
regexp {^(\d+)x(\d+)} $Geometry {} Width Height
set X ""
set Y ""
if {[regexp {([+-]+\d+)([+-]+\d+)$} $Geometry {} X Y]} {
if {$X<0} {set X +0}
# if {$X>[winfo screenwidth .]-[winfo reqwidth $W]} {set X +[expr [winfo screenwidth .]-[winfo reqwidth $W]]}
if {$X>[winfo screenwidth .]-$Width} {set X +[expr [winfo screenwidth .]-$Width]}
if {$Y<0} {set Y +0}
# if {$Y>[winfo screenheight .]-[winfo reqheight $W]} {set Y +[expr [winfo screenheight .]-[winfo reqheight $W]]}
if {$Y>[winfo screenheight .]-$Height} {set Y +[expr [winfo screenheight .]-$Height]}
}
wm geometry $W ${Width}x${Height}${X}${Y}
}
######## Standard entry forms for the argument_dialogbox ########
# A dedicated procedure that handles the geometrical aspects of the argument dialog box is
# required for each argument type. The prototype header of such a procedure is:
#
# proc ad_form(<EntryType>) {W Command {Par ""}} <Body>
#
# The argument 'W' provides the path into which the entry has to be embedded.
# The procedures have to provide several sub command. The optional argument 'Par' is only used
# for the 'set' and 'set_choice' sub commands:
#
# ad_form(<EntryType>) <W> create
# This sub command has to creates the form for the given entry type.
#
# ad_form(<EntryType>) <W> set_choice <ChoiceList>
# This sub command has to define the available selections (choice lists).
#
# ad_form(<EntryType>) <W> set <Value>
# This sub command has to set the default value of the form.
#
# ad_form(<EntryType>) <W> get
# This sub command has to return the value defined inside the form.
#
# To support all these sub commands, the procedures are typically structured in the following
# way:
#
# proc ad_form(<EntryType>) {W Command {Par ""}} {
# upvar Option Option
# switch $Command {
# "create" {<Form creation script>}
# "set" {<Default value setting script>}
# "set_choice" {<Choice list definition script>}
# "get" {return [<Value evaluation script>]}
# }
# }
#
# The parameter definition list is mapped to the Option array variable when the ad_form
# procedures are called. These procedures can access these parameters via the Option variable
# of the calling procedure using the upvar statement.
# The provided frame into which each ad_form procedure can deploy the argument definition entry
# is by default not expandable. To make them expandable, for example for list boxes, the
# procedure ad_form(make_expandable) has to be called providing it with the entry path:
proc ad_form(make_expandable) {W} {
upvar 2 Framed Framed FontSize FontSize
# Override the not expanded parent frames:
pack $W -fill both -expand yes
pack [winfo parent $W] -fill both -expand yes
if {$Framed} {
# Make the parent frames expandable for that the listbox can also expand
pack [winfo parent [winfo parent [winfo parent $W]]] \
-pady [expr $FontSize/2] -fill both -expand yes
pack [winfo parent [winfo parent $W]] \
-pady [expr $FontSize/2] -fill both -expand yes
}
}
# Implement now all entries:
#### Simple text entry ####
proc ad_form(entry) {W Command {Par ""}} {
switch $Command {
"create" {
pack [entry $W.entry] -fill x -expand yes -pady 4 -side left }
"set" {
$W.entry delete 0 end; # Clear the existing selection in case the 'set' command is called multiple times
$W.entry insert 0 $Par
}
"get" {
return [$W.entry get]
}
}
}
#### Text (multi line text) ####
proc ad_form(text) {W Command {Par ""}} {
# puts "ad_form(text) $W $Command $Par"
upvar Option Option
switch $Command {
"create" {
ad_form(make_expandable) $W
grid [text $W.text -yscrollcommand "$W.yscrollbar set"] -column 0 -row 0 -pady 2 -sticky news
grid [scrollbar $W.yscrollbar -command "$W.text yview"] -column 1 -row 0 -pady 2 -sticky ns
# Add a horizontal scroll bar if wrapping is disabled
if {[info exists Option(-wrap)] && $Option(-wrap)=="none"} {
grid [scrollbar $W.xscrollbar -command "$W.text xview" -orient horizontal] -column 0 -row 1 -sticky ew
$W.text config -xscrollcommand "$W.xscrollbar set"
}
grid columnconfigure $W 0 -weight 1
grid rowconfigure $W 0 -weight 1
# Apply the text widget parameters
$W.text config -wrap word -height 4; # Default parameters
foreach Par {-height -wrap} {
if {[info exists Option($Par)]} {
$W.text config $Par $Option($Par)
}
}
}
"set" {
$W.text delete 0.0 end; # Clear the existing selection in case the 'set' command is called multiple times
$W.text insert 0.0 $Par
}
"get" {
return [$W.text get 0.0 "end - 1 chars"]
}
}
}
#### Color entry ####
# Select_color sets the text and color of the color entry to a new color:
proc select_color {W NewColor} {
if {$NewColor!=""} {
$W.entry delete 0 end
$W.entry insert 0 $NewColor
}
$W.entry config -background gray80
catch {$W.entry config -background [$W.entry get]}
}
proc ad_form(color) {W Command {Par ""}} {
upvar Option Option
if {![info exists Option(-type)]} {
set Option(-type) color
}
set Title ""
catch {set Title $Option(-label)}
switch $Command {
"create" {
pack [entry $W.entry] -fill x -expand yes -pady 4 -side left
pack [button $W.button -text Choose -command "::tepam::select_color $W \[tk_chooseColor -parent \{$W\} -title \{$Title\}\]"] -pady 4 -side left
bind $W.entry <Key-Return> "tepam::select_color $W {}"
bind $W.entry <Leave> "tepam::select_color $W {}"
}
"set" {
select_color $W $Par
}
"get" {
return [$W.entry get]
}
}
}
#### File and directory entries ####
# Select_file sets the file or directory entry to a new file name:
proc select_file {W NewFile} {
if {$NewFile==""} return
$W.entry delete 0 end
$W.entry insert 0 $NewFile
}
# Ad_form(directory_or_file) is a generic implementation of a file and directory selection
# form. It will be used for the different file and directory types:
proc ad_form(directory_or_file) {W Type Command {Par ""}} {
upvar 2 Option Option
if {![info exists Option(-type)]} {
set Option(-type) $Type
}
set Title ""
catch {set Title $Option(-label)}
switch $Command {
"create" {
set FileTypes {}
if {[info exists Option(-filetypes)]} {
set FileTypes $Option(-filetypes)
}
set ActiveDir "\[file dirname \[$W.entry get\]\]";
if {[info exists Option(-activedir)]} {
set ActiveDir $Option(-activedir)
}
set InitialFile "\[$W.entry get\]";
if {[info exists Option(-initialfile)]} {
set InitialFile $Option(-initialfile)
set ActiveDir [file dirname $Option(-initialfile)]
}
pack [entry $W.entry] -fill x -expand yes -pady 4 -side left
if {$Type=="existingdirectory"} {
pack [button $W.button -text Browse -command "::tepam::select_file $W \[tk_chooseDirectory -parent $W -initialdir \"$ActiveDir\" -title \{$Title\}\]"] -pady 4 -side left
} elseif {$Type=="directory"} {
pack [button $W.button -text Browse -command "::tepam::select_file $W \[tk_chooseDirectory -parent $W -initialdir \"$ActiveDir\" -title \{$Title\}\]"] -pady 4 -side left
} elseif {$Type=="existingfile"} {
pack [button $W.button -text Browse -command "::tepam::select_file $W \[tk_getOpenFile -parent $W -filetypes \{$FileTypes\} -initialdir \"$ActiveDir\" -initialfile \"$InitialFile\" -title \{$Title\}\]"] -pady 4 -side left
} else { # file
pack [button $W.button -text Browse -command "::tepam::select_file $W \[tk_getSaveFile -parent $W -filetypes \{$FileTypes\} -initialdir \"$ActiveDir\" -initialfile \"$InitialFile\" -title \{$Title\}\]"] -pady 4 -side left
}
}
"set" {
$W.entry delete 0 end; # Clear the existing selection in case the 'set' command is called multiple times
$W.entry insert 0 $Par
}
"get" {
return [$W.entry get]
}
}
}
# The generic file and directory selection command 'ad_form(directory_or_file)' are used to
# implement the 4 file and directory selection forms:
proc ad_form(directory) {W Command {Par ""}} {
ad_form(directory_or_file) $W directory $Command $Par
}
proc ad_form(existingdirectory) {W Command {Par ""}} {
ad_form(directory_or_file) $W existingdirectory $Command $Par
}
proc ad_form(file) {W Command {Par ""}} {
ad_form(directory_or_file) $W file $Command $Par
}
proc ad_form(existingfile) {W Command {Par ""}} {
ad_form(directory_or_file) $W existingfile $Command $Par
}
#### Combobox ####
proc ad_form(combobox) {W Command {Par ""}} {
switch $Command {
"create" {
pack [entry $W.entry -borderwidth 2] -fill x -expand yes -pady 4 -side left
pack [button $W.button -relief flat -borderwidth 0 -image Tepam_SmallFlashDown -command "tepam::ad_form(combobox) $W open_selection"] -pady 4 -side left
toplevel $W.selection -border 1 -background black
wm overrideredirect $W.selection 1
wm withdraw $W.selection
pack [listbox $W.selection.listbox -yscrollcommand "$W.selection.scrollbar set" -exportselection 0] -fill both -expand yes -side left
pack [scrollbar $W.selection.scrollbar -command "$W.selection.listbox yview"] -fill y -side left -expand no
bind $W.selection.listbox <<ListboxSelect>> "tepam::ad_form(combobox) $W close_selection"
bind $W.selection <FocusOut> "wm withdraw $W.selection"
}
"set" {
$W.entry delete 0 end; # Clear the existing selection in case the 'set' command is called multiple times
$W.entry insert 0 $Par
}
"get" {
return [$W.entry get]
}
"set_choice" {
foreach v $Par {
$W.selection.listbox insert end $v
}
}
"open_selection" {
ConfigureWindowsGeometry $W.selection [expr [winfo width $W.entry]+[winfo width $W.button]]x100+[winfo rootx $W.entry]+[expr [winfo rooty $W.entry]+[winfo height $W.entry]]
catch {$W.selection.listbox selection clear 0 end}
catch {$W.selection.listbox selection set [lsearch -exact [$W.selection.listbox get 0 end] [$W.entry get]]}
catch {$W.selection.listbox yview [lsearch -exact [$W.selection.listbox get 0 end] [$W.entry get]]}
wm deiconify $W.selection
focus $W.selection }
"close_selection" {
$W.entry delete 0 end
$W.entry insert 0 [$W.selection.listbox get [$W.selection.listbox curselection]]
wm withdraw $W.selection }
}
}
#### Listbox ####
proc ad_form(listbox) {W Command {Par ""}} {
# puts "ad_form(listbox) $W $Command $Par"
upvar Option Option
switch $Command {
"create" {
ad_form(make_expandable) $W
pack [listbox $W.listbox -yscrollcommand "$W.scrollbar set" -exportselection 0] -fill both -expand yes -pady 4 -side left
if {[info exists Option(-multiple_selection)] && $Option(-multiple_selection)} {
$W.listbox config -selectmode extended
}
pack [scrollbar $W.scrollbar -command "$W.listbox yview"] -fill y -pady 4 -side left -expand no
if {[info exists Option(-height)]} {
$W.listbox config -height $Option(-height)
}
}
"set" {
catch {$W.listbox selection clear 0 end}; # Clear the existing selection in case the 'set' command is called multiple times
if {[info exists Option(-multiple_selection)] && $Option(-multiple_selection)} {
foreach o $Par {
catch {$W.listbox selection set [lsearch -exact [$W.listbox get 0 end] $o]}
catch {$W.listbox yview [lsearch -exact [$W.listbox get 0 end] $o]}
}
} else {
catch {$W.listbox selection set [lsearch -exact [$W.listbox get 0 end] $Par]}
catch {$W.listbox yview [lsearch -exact [$W.listbox get 0 end] $Par]}
}
}
"get" {
set Result {}
foreach o [$W.listbox curselection] {
lappend Result [$W.listbox get $o]
}
if {![info exists Option(-multiple_selection)] || !$Option(-multiple_selection)} {
set Result [lindex $Result 0]
}
return $Result
}
"set_choice" {
foreach v $Par {
$W.listbox insert end $v
}
$W.listbox selection set 0
}
}
}
#### Disjoint listbox ####
proc disjointlistbox_move {W Move} {
switch $Move {
"add" {
$W.listbox2 selection clear 0 end
foreach o [lsort -integer -increasing [$W.listbox1 curselection]] {
if {[$W.listbox1 itemcget $o -foreground]=="grey"} continue
$W.listbox2 insert end [$W.listbox1 get $o]
$W.listbox2 selection set end
$W.listbox1 itemconfigure $o -foreground grey
}
$W.listbox1 selection clear 0 end
}
"delete" {
foreach o [lsort -integer -decreasing [$W.listbox2 curselection]] {
for {set o1 0} {$o1<[$W.listbox1 index end]} {incr o1} {
if {[$W.listbox2 get $o]==[$W.listbox1 get $o1]} {
$W.listbox1 itemconfigure $o1 -foreground ""
}
}
$W.listbox2 delete $o
}
}
"up" {
foreach o [$W.listbox2 curselection] {
if {$o==0} continue
$W.listbox2 insert [expr $o-1] [$W.listbox2 get $o]
$W.listbox2 delete [expr $o+1]
$W.listbox2 selection set [expr $o-1]
}
}
"down" {
foreach o [lsort -integer -decreasing [$W.listbox2 curselection]] {
if {$o==[$W.listbox2 index end]-1} continue
$W.listbox2 insert [expr $o+2] [$W.listbox2 get $o]
$W.listbox2 delete $o
$W.listbox2 selection set [expr $o+1]
}
}
}
}
proc ad_form(disjointlistbox) {W Command {Par ""}} {
# puts "ad_form(listbox) $W $Command $Par"
upvar Option Option
switch $Command {
"create" {
ad_form(make_expandable) $W
grid [label $W.label1 -text "Available"] -column 1 -row 0 -sticky ew
grid [label $W.label2 -text "Selected"] -column 3 -row 0 -sticky ew
grid [listbox $W.listbox1 -yscrollcommand "$W.scrollbar1 set" -exportselection 0 -selectmode extended] -column 1 -row 1 -rowspan 2 -sticky news
grid [scrollbar $W.scrollbar1 -command "$W.listbox1 yview"] -column 2 -row 1 -rowspan 2 -sticky ns
grid [listbox $W.listbox2 -yscrollcommand "$W.scrollbar2 set" -exportselection 0 -selectmode extended] -column 3 -row 1 -rowspan 2 -sticky news
grid [scrollbar $W.scrollbar2 -command "$W.listbox2 yview"] -column 4 -row 1 -rowspan 2 -sticky ns
grid [button $W.up -text "^" -command "::tepam::disjointlistbox_move $W up"] -column 5 -row 1 -sticky news
grid [button $W.down -text "v" -command "::tepam::disjointlistbox_move $W down"] -column 5 -row 2 -sticky news
grid [button $W.add -text ">" -command "::tepam::disjointlistbox_move $W add"] -column 1 -row 3 -columnspan 2 -sticky news
grid [button $W.remove -text "<" -command "::tepam::disjointlistbox_move $W delete"] -column 3 -row 3 -columnspan 2 -sticky news
foreach {Col Weight} {0 0 1 1 2 0 3 1 4 0 5 0} {
grid columnconfigure $W $Col -weight $Weight
}
grid rowconfigure $W 1 -weight 1
grid rowconfigure $W 2 -weight 1
if {[info exists Option(-height)]} {
$W.listbox1 config -height $Option(-height)
$W.listbox2 config -height $Option(-height)
}
}
"set" {
# Delete an eventually previous selection (this should not be required by argument_dialogox)
$W.listbox2 selection set 0 end
disjointlistbox_move $W delete
foreach o $Par {
set p [lsearch -exact [$W.listbox1 get 0 end] $o]
if {$p>=0} { # Delete the selected item from the available items
$W.listbox1 selection set $p
disjointlistbox_move $W add
}
}
}
"get" {
return [$W.listbox2 get 0 end]
}
"set_choice" {
foreach v $Par {
$W.listbox1 insert end $v
}
}
}
}
#### Checkbox ####
proc ad_form(checkbox) {W Command {Par ""}} {
upvar Option Option
variable argument_dialogbox
switch $Command {
"create" {
set argument_dialogbox($W,ButtonsW) {}
}
"set" {
# Delete an eventually previous selection
foreach ChoiceIndex [array names argument_dialogbox $W,values,*] {
set argument_dialogbox($ChoiceIndex) ""
}
# Select the check buttons that correspond to the provided values
foreach v $Par {
foreach BW $argument_dialogbox($W,ButtonsW) {
if {$v==[$BW cget -onvalue]} {
set [$BW cget -variable] $v
}
}
}
}
"get" { # Provide the selected items in the order of the provided choice list
set Result {}
foreach ChoiceIndex [lsort -dictionary [array names argument_dialogbox $W,values,*]] {
if {$argument_dialogbox($ChoiceIndex)!=""} {
lappend Result $argument_dialogbox($ChoiceIndex) }
}
return $Result
}
"set_choice" {
set ChoiceNumber 0
set PackSide left
if {[info exists Option(-direction)] && $Option(-direction)=="vertical"} {
set PackSide top
}
foreach v $Par {
set label $v
catch {set label [lindex $Option(-choicelabels) $ChoiceNumber]}
pack [checkbutton $W.choice_$ChoiceNumber -text $label -variable ::tepam::argument_dialogbox($W,values,$ChoiceNumber) -onvalue $v -offvalue ""] -side $PackSide -anchor w
lappend argument_dialogbox($W,ButtonsW) $W.choice_$ChoiceNumber
incr ChoiceNumber
}
}
}
}
#### Radiobox ####
proc ad_form(radiobox) {W Command {Par ""}} {
upvar Option Option
variable argument_dialogbox
switch $Command {
"create" {
set argument_dialogbox($W,values) ""
}
"set" {
set argument_dialogbox($W,values) $Par
}
"get" {
return $argument_dialogbox($W,values)
}
"set_choice" {
set argument_dialogbox($W,values) [lindex [lindex $Par 0] 0]
set ChoiceNumber 0
set PackSide left
if {[info exists Option(-direction)] && $Option(-direction)=="vertical"} {
set PackSide top
}
foreach v $Par {
set label $v
catch {set label [lindex $Option(-choicelabels) $ChoiceNumber]}
pack [radiobutton $W.choice_$ChoiceNumber -text $label -variable ::tepam::argument_dialogbox($W,values) -value $v] -side $PackSide -anchor w
incr ChoiceNumber
}
}
}
}
#### Checkbutton ####
proc ad_form(checkbutton) {W Command {Par ""}} {
variable argument_dialogbox
switch $Command {
"create" {
pack [checkbutton $W.checkb -variable ::tepam::argument_dialogbox($W,values)] -pady 4 -side left
set argument_dialogbox($W,values) 0
}
"set" {
set argument_dialogbox($W,values) $Par
}
"get" {
return $argument_dialogbox($W,values)
}
}
}
#### Font selector ####
proc ChooseFont_Update {W} {
catch {$W.text config -font [ChooseFont_Get $W]}
}
proc ChooseFont_Get {W} {
set Result {}
if {![catch {lappend Result [$W.sels.lb_font get [$W.sels.lb_font curselection]] [$W.sels.lb_size get [$W.sels.lb_size curselection]]}]} {
foreach Style {bold italic underline overstrike} {
if {$::tepam::ChooseFont($W,$Style)} {
lappend Result $Style
}
}
}
# puts Font:$Result
return $Result
}
procedure ChooseFont {
-args {
{-title -type string -default "Font browser"}
{-parent -type string -default "."}
{-font_families -type string -default {}}
{-font_sizes -type string -default {}}
{-default -type string -optional}
}
} {
regexp {^\.*(\..*)$} $parent.font_selection {} W
catch {destroy $W}
toplevel $W
wm withdraw $W
wm transient $W $parent
wm group $W $parent
wm title $W $title
pack [label $W.into -text "Please choose a font and its size \nand style, then select OK." -justify left] -expand no -fill x
pack [frame $W.sels] -expand yes -fill both
pack [listbox $W.sels.lb_font -yscrollcommand "$W.sels.sb_font set" -exportselection 0 -height 10] -side left -expand yes -fill both
bind $W.sels.lb_font <<ListboxSelect>> "::tepam::ChooseFont_Update $W"
pack [scrollbar $W.sels.sb_font -command "$W.sels.lb_font yview"] -side left -expand no -fill both
pack [listbox $W.sels.lb_size -yscrollcommand "$W.sels.sb_size set" -width 3 -exportselection 0 -height 10] -side left -expand no -fill both
bind $W.sels.lb_size <<ListboxSelect>> "::tepam::ChooseFont_Update $W"
pack [scrollbar $W.sels.sb_size -command "$W.sels.lb_size yview"] -side left -expand no -fill both
set ButtonFont [font actual [[button $W.dummy] cget -font]]
pack [frame $W.styles] -expand no -fill x
pack [checkbutton $W.styles.bold -text B -indicatoron off -font "$ButtonFont -weight bold" -variable ::tepam::ChooseFont($W,bold) -command "::tepam::ChooseFont_Update $W"] -side left -expand yes -fill x
pack [checkbutton $W.styles.italic -text I -indicatoron off -font "$ButtonFont -slant italic" -variable ::tepam::ChooseFont($W,italic) -command "::tepam::ChooseFont_Update $W"] -side left -expand yes -fill x
pack [checkbutton $W.styles.underline -text U -indicatoron off -font "$ButtonFont -underline 1" -variable ::tepam::ChooseFont($W,underline) -command "::tepam::ChooseFont_Update $W"] -side left -expand yes -fill x
pack [checkbutton $W.styles.overstrike -text O -indicatoron off -font "$ButtonFont -overstrike 1" -variable ::tepam::ChooseFont($W,overstrike) -command "::tepam::ChooseFont_Update $W"] -side left -expand yes -fill x
pack [label $W.text -text "Test text 1234"] -expand no -fill x
pack [frame $W.buttons] -expand no -fill x
pack [button $W.buttons.ok -text OK -command "set ::tepam::ChooseFont($W,status) 0"] -side left -expand yes -fill x
pack [button $W.buttons.cancel -text Cancel -command "set ::tepam::ChooseFont($W,status) 3"] -side left -expand yes -fill x
# Create the font size and family lists. Use default lists when no family or sizes
# are provided.
if {$font_families=={}} {
set font_families [font families]
}
foreach v $font_families {
$W.sels.lb_font insert end $v
}
if {$font_sizes=={}} {
set font_sizes {6 7 8 9 10 12 14 16 18 20 24 28 32 36 40}
}
foreach v $font_sizes {
$W.sels.lb_size insert end $v
}
# Set the default font selection
if {![info exists default]} {
set default [$W.text cget -font]
# puts "default:$default"
}
set Index [lsearch -exact $font_families [lindex $default 0]]
if {$Index<0} {set Index [lsearch -exact $font_families [font actual $default -family]]}
if {$Index<0} {set Index 0}
# puts "[font actual $default -family] -> $Index"
$W.sels.lb_font selection clear 0 end
$W.sels.lb_font selection set $Index
$W.sels.lb_font yview $Index
set Index [lsearch -exact $font_sizes [lindex $default 0]]
if {$Index<0} {set Index [lsearch -exact $font_sizes [font actual $default -size]]}
if {$Index<0} {set Index 0}
# puts "[font actual $default -size] -> $Index"
$W.sels.lb_size selection clear 0 end
$W.sels.lb_size selection set $Index
$W.sels.lb_size yview $Index
foreach Style {bold italic underline overstrike} {
set ::tepam::ChooseFont($W,$Style) 0
}
foreach Style [lrange $default 2 end] {
if {[info exists ::tepam::ChooseFont($W,$Style)]} {
set ::tepam::ChooseFont($W,$Style) 1
}
}
wm protocol $W WM_DELETE_WINDOW "set ::tepam::ChooseFont($W,status) 3"
ConfigureWindowsGeometry $W "+[expr [winfo rootx $parent]+[winfo width $parent]+10]+[expr [winfo rooty $parent]+0]"
wm deiconify $W
# Wait until the OK or cancel button is pressed:
set ::tepam::ChooseFont($W,status) ""
vwait ::tepam::ChooseFont($W,status)
set SelectedFont [ChooseFont_Get $W]
destroy $W
if {$::tepam::ChooseFont($W,status)==0} {return $SelectedFont}
return ""
}
# Select_font sets the text and the font of the font entry to a font color:
proc select_font {W NewFont} {
variable argument_dialogbox
if {$NewFont!=""} {
$W.entry delete 0 end
$W.entry insert 0 $NewFont
}
$W.entry config -bg gray80
catch {
$W.entry config -font [$W.entry get]
$W.entry config -bg $argument_dialogbox($W,DefaultEntryColor)
}
}
proc ad_form(font) {W Command {Par ""}} {
upvar Option Option
variable argument_dialogbox
if {![info exists Option(-type)]} {
set Option(-type) font
}
set Title ""
catch {set Title $Option(-label)}
switch $Command {
"create" {
# The dedicated attributes -font_families and -font_sizes by this entry widget:
set FamilyList [font families]
catch {set FamilyList $Option(-font_families)}
set SizeList {6 7 8 9 10 12 14 16 18 20 24 28 32 36 40}
catch {set SizeList $Option(-font_sizes)}
# Create the entry widget
pack [entry $W.entry] -fill x -expand yes -pady 4 -side left
pack [button $W.button -text Choose \
-command "::tepam::select_font $W \[::tepam::ChooseFont -parent \{$W\} -title \{$Title\} -font_families \{$FamilyList\} -font_sizes \{$SizeList\} -default \[$W.entry get\]\]"] -pady 4 -side left
bind $W.entry <Key-Return> "tepam::select_font $W {}"
bind $W.entry <Leave> "tepam::select_font $W {}"
set argument_dialogbox($W,DefaultEntryColor) [$W.entry cget -bg]
# Use the default font of the entry widget as default font selection if its font
# family and font size is part of the selection lists. Use otherwise the first
# elements of the family list and the closest size for the default font.
set DefaultFont [$W.entry cget -font]
set DefaultFamily [font actual $DefaultFont -family]
if {[lsearch -exact $FamilyList $DefaultFamily]<0} {
set DefaultFamily [lindex $FamilyList 0]
}
set DefaultSize [font actual $DefaultFont -size]
if {[lsearch -exact $SizeList $DefaultSize]<0} {
set SizeList [lsort -real [concat $SizeList $DefaultSize]]
set Pos [lsearch -exact $SizeList $DefaultSize]
if {$Pos==0} {
set DefaultSize [lindex $SizeList 1]
} elseif {$Pos==[llength $SizeList]-1} {
set DefaultSize [lindex $SizeList end-1]
} elseif {[lindex $SizeList $Pos]-[lindex $SizeList [expr $Pos-1]] <
[lindex $SizeList [expr $Pos+1]]-[lindex $SizeList $Pos] } {
set DefaultSize [lindex $SizeList [expr $Pos-1]]
} else {
set DefaultSize [lindex $SizeList [expr $Pos+1]]
}
}
select_font $W [list $DefaultFamily $DefaultSize]
}
"set" {
select_font $W $Par
}
"get" {
return [$W.entry get]
}
}
}
}; # End namespace tepam
# Specify the TEPAM version that is provided by this file:
package provide tepam 0.5
##########################################################################
# Id: tepam.tcl
# Modifications:
#
# TEPAM version 0.5 - 2013/10/14 droll
# * procedure command
# - New procedure attributes: -validatecommand_error_text, -validatecommand
# - Updated argument attribute: -validatecommand (the command is now
# executed in the context of the procedure body which allows accessing
# argument variables)
# - New argument attribute: -validatecommand_error_text
# - Minor bug fix: The TEPAM internal procedure list was incorrect if a
# procedure was defined multiple times.
# - Procedure help generation: Indicate if an argument can be used multiple
# times
# * argument_dialogbox
# - New global attributes: -validatecommand_error_text, -validatecommand
# - New argument attributes: -validatecommand_error_text, -validatecommand,
# -validatecommand_error_text2, -validatecommand2
#
# TEPAM version 0.4.1 - 2013/03/25 droll
# * Correction of bug 3608952: Help text is incorrectly generated if procedures
# are part of the non-default namespaces
# * Correction of bug 3608951: Help text shows incorrect argument order if
# procedure is defined in the "unnamed arguments first, named arguments later"
# calling style.
#
# TEPAM version 0.4.0 - 2012/05/07 20:24:58 droll
# * Add the new text procedure argument type and the text multi line data
# entry widget.
#
# TEPAM version 0.3.0 - 2012/03/26 20:44:10 droll
# * Add support to log the called procedures inside an array variable.
# * Simplify the value validation procedures using the 'string is'
# procedure's -strict option.
# * Keep the original value list in the right list of the 'disjointlistbox'.
# * Add the procedure 'ConfigureWindowsGeometry' to handle window sizes
# and positions.
#
# TEPAM version 0.2.0 - 2011/01/21 15:56:20 droll
# * Add the -widget option to the procedure arguments.
# * Add the -yscroll option to the argument dialog box.
# * Bug fixes for the following argument dialog box widgets:
# - disjointlistbox: Keep always the same element order
# - checkbox, radiobox: Handle correctly default values
#
# TEPAM version 0.1.0 - 2010/02/11 21:50:55 droll
# * First TEPAM revision
##########################################################################
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