/usr/share/pymt-examples/apps/flowchart/flowchart.py is in python-pymt 0.5.1-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | # PYMT Plugin integration
IS_PYMT_PLUGIN = True
PLUGIN_TITLE = 'FlowChart'
PLUGIN_AUTHOR = 'Mathieu Virbel'
PLUGIN_DESCRIPTION = 'A test for doing some flowchart'
from pymt import *
from OpenGL.GL import GL_LINE_LOOP
flowcss = '''
flowchart {
bg-color: rgba(255, 255, 255, 255);
}
flowtext {
draw-background: 0;
draw-border: 0;
color: rgb(255, 255, 255);
}
'''
css_add_sheet(flowcss)
class FlowText(MTTextInput):
def __init__(self, **kwargs):
kwargs.setdefault('padding_x', 10)
kwargs.setdefault('autosize', True)
super(FlowText, self).__init__(**kwargs)
self.orig = (0, 0)
self.label_obj.options['font_size'] = self.height / 2.
self.label_obj.refresh()
def on_press(self, touch):
self.orig = Vector(self.to_window(*touch.pos))
def on_release(self, touch):
final = Vector(self.to_window(*touch.pos))
if self.orig.distance(final) <= 4:
if not self.is_active_input:
self.parent.disable_all()
super(FlowText, self).on_press(touch)
def on_touch_down(self, touch):
super(FlowText, self).on_touch_down(touch)
return False
class FlowElement(MTScatterWidget):
def __init__(self, **kwargs):
super(FlowElement, self).__init__(**kwargs)
self.editmode = True
self.label = FlowText(style={'font-size': self.height / 2.},
keyboard=kwargs.get('keyboard'))
self.add_widget(self.label)
def disable_all(self):
self.parent.disable_all()
def disable(self):
self.label.hide_keyboard()
def enable(self):
self.label.show_keyboard()
def draw(self):
'''
set_color(.509, .407, .403, .95)
drawRoundedRectangle(size=self.size)
set_color(.298, .184, .192, .95)
drawRoundedRectangle(size=self.size, linewidth=2, style=GL_LINE_LOOP)
'''
self.width = max(100, self.label.width)
set_color(.435, .749, .996)
drawRoundedRectangle(size=self.size)
set_color(.094, .572, .858)
drawRoundedRectangle(size=self.size, linewidth=2, style=GL_LINE_LOOP)
# 24 146 219 (black)
# 111 191 254 (white)
class FlowLink(MTWidget):
def __init__(self, **kwargs):
super(FlowLink, self).__init__(**kwargs)
self.node1 = kwargs.get('node1')
self.node2 = kwargs.get('node2')
def draw(self):
if isinstance(self.node2, FlowElement):
node2p = self.node2.center
else:
node2p = self.node2.pos
ax, ay = self.to_widget(*self.to_window(*self.node1.center))
if type(self.node2) == FlowElement:
bx, by = self.to_widget(*self.to_window(*node2p))
else: # touch case
bx, by = self.parent.to_local(*node2p)
set_color(.094, .572, .858)
drawLine((ax, ay, bx, by), width=8. * self.parent.scale)
class FlowChart(MTScatterPlane):
def __init__(self, **kwargs):
kwargs.setdefault('do_rotation', False)
kwargs.setdefault('scale_min', 0.2)
kwargs.setdefault('scale_max', 1.0)
super(FlowChart, self).__init__(**kwargs)
self.keyboard = MTVKeyboard()
self.show_ui_help = True
self.inactivity_timer = 0
def create_node(self, x, y):
node = FlowElement(pos=(x, y), keyboard=self.keyboard)
self.add_widget(node, front=True)
return node
def create_link(self, node1, node2):
link = FlowLink(node1=node1, node2=node2)
self.add_widget(link, front=False)
return link
def find_node(self, x, y):
for c in self.children:
if c.collide_point(x, y):
return c
def on_touch_down(self, touch):
x, y = self.to_local(*touch.pos)
self.show_ui_help = False
self.inactivity_timer = 0
if touch.is_double_tap:
node = self.find_node(x, y)
if node:
touch.grab(self)
link = self.create_link(node, touch)
self.disable_all()
touch.userdata['flow.link'] = link
else:
node = self.create_node(x - 50, y - 50)
self.disable_all()
node.enable()
return True
return super(FlowChart, self).on_touch_down(touch)
def on_touch_up(self, touch):
x, y = self.to_local(*touch.pos)
if touch.grab_current == self and 'flow.link' in touch.userdata:
link = touch.userdata['flow.link']
node = self.find_node(x, y)
if node is None or node == link.node1:
self.remove_widget(link)
else:
link.node2 = node
return super(FlowChart, self).on_touch_up(touch)
def disable_all(self):
for w in self.children:
if type(w) != FlowElement:
continue
w.disable()
def draw_ui(self):
w = self.get_parent_window()
drawLabel(label='-', pos=(w.width - 25, 25), font_size=40,
color=(0, 0, 0, 50))
drawLabel(label='+', pos=(w.width - 25, 250), font_size=40,
color=(0, 0, 0, 50))
set_color(0, 0, 0, .1)
drawRoundedRectangle(pos=(w.width - 40, 40), size=(30, 175))
set_color(0, 0, 0, .1)
drawRoundedRectangle(pos=(w.width - 40, 40),
size=(30, 175 * self.scale))
self.inactivity_timer += getFrameDt()
if self.inactivity_timer > 10:
self.show_ui_help = True
if self.show_ui_help:
p = w.width / 2., 50
c = (0, 0, 0, 180)
fs = 22
set_color(0, 0, 0, .1)
w2 = (w.width - 750) / 2.
drawRoundedRectangle(pos=(w2, 20), size=(w.width - w2 * 2, 140))
drawLabel(label='Double-tap on background to create a node',
pos=p, color=c, font_size=24)
p = w.width / 2., 90
drawLabel(label='Double-tap & hold on a node to create a link',
pos=p, color=c, font_size=24)
p = w.width / 2., 130
drawLabel(label='Tap a node to toggle keyboard',
pos=p, color=c, font_size=24)
def on_draw(self):
w = self.get_parent_window()
set_color(*self.style['bg-color'])
drawRectangle(size=w.size)
super(FlowChart, self).on_draw()
self.draw_ui()
def draw(self):
w = self.get_parent_window()
a = self.to_local(0, 0)
b = self.to_local(w.width, w.height)
scale = max(1, int(1 / self.scale))
step = 200 * scale
a = int(a[0] / step - 1) * step, int(a[1] / step - 1) * step
b = int(b[0] / step + 1) * step, int(b[1] / step + 1) * step
for x in xrange(a[0], b[0], step):
for y in xrange(a[1], b[1], step):
set_color(.9, .9, .9)
drawLine((a[0], y, b[0], y), width=1)
drawLine((x, a[1], x, b[1]), width=1)
def pymt_plugin_activate(root, ctx):
ctx.flowchart = FlowChart()
root.add_widget(ctx.flowchart)
def pymt_plugin_deactivate(root, ctx):
root.remove_widget(ctx.flowchart)
if __name__ == '__main__':
w = MTWindow()
ctx = MTContext()
pymt_plugin_activate(w, ctx)
runTouchApp()
pymt_plugin_deactivate(w, ctx)
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