libjs-modestmaps 3.3.6+ds1-1.1 / usr / share / javascript / modestmaps / modestmaps.min.js

/*!
 * Modest Maps JS v3.3.6
 * http://modestmaps.com/
 *
 * Copyright (c) 2011 Stamen Design, All Rights Reserved.
 *
 * Open source under the BSD License.
 * http://creativecommons.org/licenses/BSD/
 *
 * Versioned using Semantic Versioning (v.major.minor.patch)
 * See CHANGELOG and http://semver.org/ for more details.
 *
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this.requestsById)if(!(o in e)&&this.requestsById.hasOwnProperty(o)){var u=this.requestsById[o];delete this.requestsById[o],u!==null&&(u=u.id=u.coord=u.url=null)}},hasRequest:function(e){return e in this.requestsById},requestTile:function(e,t,n){if(!(e in this.requestsById)){var r={id:e,coord:t.copy(),url:n};this.requestsById[e]=r,n&&this.requestQueue.push(r)}},getProcessQueue:function(){if(!this._processQueue){var e=this;this._processQueue=function(){e.processQueue()}}return this._processQueue},processQueue:function(e){e&&this.requestQueue.length>8&&this.requestQueue.sort(e);while(this.openRequestCount<this.maxOpenRequests&&this.requestQueue.length>0){var t=this.requestQueue.pop();if(t){this.openRequestCount++;var n=document.createElement("img");n.id=t.id,n.style.position="absolute",n.coord=t.coord,this.loadingBay.appendChild(n),n.onload=n.onerror=this.getLoadComplete(),n.src=t.url,t=t.id=t.coord=t.url=null}}},_loadComplete:null,getLoadComplete:function(){if(!this._loadComplete){var e=this;this._loadComplete=function(t){t=t||window.event;var n=t.srcElement||t.target;n.onload=n.onerror=null,e.loadingBay.removeChild(n),e.openRequestCount--,delete e.requestsById[n.id],t.type==="load"&&(n.complete||n.readyState&&n.readyState=="complete")?e.dispatchCallback("requestcomplete",n):(e.dispatchCallback("requesterror",{element:n,url:""+n.src}),n.src=null),setTimeout(e.getProcessQueue(),0)}}return this._loadComplete}},e.Layer=function(t,n,r){this.parent=n||document.createElement("div"),this.parent.style.cssText="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; margin: 0; padding: 0; z-index: 0",this.name=r,this.levels={},this.requestManager=new e.RequestManager,this.requestManager.addCallback("requestcomplete",this.getTileComplete()),this.requestManager.addCallback("requesterror",this.getTileError()),t&&this.setProvider(t)},e.Layer.prototype={map:null,parent:null,name:null,enabled:!0,tiles:null,levels:null,requestManager:null,provider:null,_tileComplete:null,getTileComplete:function(){if(!this._tileComplete){var e=this;this._tileComplete=function(t,n){e.tiles[n.id]=n,e.positionTile(n)}}return this._tileComplete},getTileError:function(){if(!this._tileError){var e=this;this._tileError=function(t,n){n.element.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",e.tiles[n.element.id]=n.element,e.positionTile(n.element)}}return this._tileError},draw:function(){function n(e,n){if(e&&n){var r=e.coord,i=n.coord;if(r.zoom==i.zoom){var s=Math.abs(t.row-r.row-.5)+Math.abs(t.column-r.column-.5),o=Math.abs(t.row-i.row-.5)+Math.abs(t.column-i.column-.5);return s<o?1:s>o?-1:0}return r.zoom<i.zoom?1:r.zoom>i.zoom?-1:0}return e?1:n?-1:0}if(!this.enabled||!this.map)return;var t=this.map.coordinate.zoomTo(Math.round(this.map.coordinate.zoom)),r=Math.round(this.map.coordinate.zoom),i=this.map.pointCoordinate(new e.Point(0,0)).zoomTo(r).container(),s=this.map.pointCoordinate(this.map.dimensions).zoomTo(r).container().right().down(),o={},u=this.createOrGetLevel(i.zoom),a=i.copy();for(a.column=i.column;a.column<=s.column;a.column++)for(a.row=i.row;a.row<=s.row;a.row++){var f=this.inventoryVisibleTile(u,a);while(f.length)o[f.pop()]=!0}for(var l in this.levels)if(this.levels.hasOwnProperty(l)){var c=parseInt(l,10);if(c>=i.zoom-5&&c<i.zoom+2)continue;var h=this.levels[l];h.style.display="none";var p=this.tileElementsInLevel(h);while(p.length)this.provider.releaseTile(p[0].coord),this.requestManager.clearRequest(p[0].coord.toKey()),h.removeChild(p[0]),p.shift()}var d=i.zoom-5,v=i.zoom+2;for(var m=d;m<v;m++)this.adjustVisibleLevel(this.levels[m],m,o);this.requestManager.clearExcept(o),this.requestManager.processQueue(n)},inventoryVisibleTile:function(e,t){var n=t.toKey(),r=[n];if(n in this.tiles){var i=this.tiles[n];return i.parentNode!=e&&(e.appendChild(i),"reAddTile"in this.provider&&this.provider.reAddTile(n,t,i)),r}if(!this.requestManager.hasRequest(n)){var s=this.provider.getTile(t);typeof s=="string"?this.addTileImage(n,t,s):s&&this.addTileElement(n,t,s)}var o=!1,u=t.zoom;for(var a=1;a<=u;a++){var f=t.zoomBy(-a).container(),l=f.toKey();if(l in this.tiles){r.push(l),o=!0;break}}if(!o){var c=t.zoomBy(1);r.push(c.toKey()),c.column+=1,r.push(c.toKey()),c.row+=1,r.push(c.toKey()),c.column-=1,r.push(c.toKey())}return r},tileElementsInLevel:function(e){var t=[];for(var n=e.firstChild;n;n=n.nextSibling)n.nodeType==1&&t.push(n);return t},adjustVisibleLevel:function(t,n,r){if(!t)return;var i=1,s=this.map.coordinate.copy();if(!(t.childNodes.length>0))return t.style.display="none",!1;t.style.display="block",i=Math.pow(2,this.map.coordinate.zoom-n),s=s.zoomTo(n);var o=this.map.tileSize.x*i,u=this.map.tileSize.y*i,a=new e.Point(this.map.dimensions.x/2,this.map.dimensions.y/2),f=this.tileElementsInLevel(t);while(f.length){var l=f.pop();r[l.id]?e.moveElement(l,{x:Math.round(a.x+(l.coord.column-s.column)*o),y:Math.round(a.y+(l.coord.row-s.row)*u),scale:i,width:this.map.tileSize.x,height:this.map.tileSize.y}):(this.provider.releaseTile(l.coord),this.requestManager.clearRequest(l.coord.toKey()),t.removeChild(l))}},createOrGetLevel:function(e){if(e in this.levels)return this.levels[e];var t=document.createElement("div");return t.id=this.parent.id+"-zoom-"+e,t.style.cssText="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; margin: 0; padding: 0;",t.style.zIndex=e,this.parent.appendChild(t),this.levels[e]=t,t},addTileImage:function(e,t,n){this.requestManager.requestTile(e,t,n)},addTileElement:function(e,t,n){n.id=e,n.coord=t.copy(),this.positionTile(n)},positionTile:function(t){var n=this.map.coordinate.zoomTo(t.coord.zoom);t.style.cssText="position:absolute;-webkit-user-select:none;-webkit-user-drag:none;-moz-user-drag:none;-webkit-transform-origin:0 0;-moz-transform-origin:0 0;-o-transform-origin:0 0;-ms-transform-origin:0 0;width:"+this.map.tileSize.x+"px; height: "+this.map.tileSize.y+"px;",t.ondragstart=function(){return!1};var r=Math.pow(2,this.map.coordinate.zoom-t.coord.zoom);e.moveElement(t,{x:Math.round(this.map.dimensions.x/2+(t.coord.column-n.column)*this.map.tileSize.x),y:Math.round(this.map.dimensions.y/2+(t.coord.row-n.row)*this.map.tileSize.y),scale:r,width:this.map.tileSize.x,height:this.map.tileSize.y});var i=this.levels[t.coord.zoom];i.appendChild(t),t.className="map-tile-loaded",Math.round(this.map.coordinate.zoom)==t.coord.zoom&&(i.style.display="block"),this.requestRedraw()},_redrawTimer:undefined,requestRedraw:function(){this._redrawTimer||(this._redrawTimer=setTimeout(this.getRedraw(),1e3))},_redraw:null,getRedraw:function(){if(!this._redraw){var e=this;this._redraw=function(){e.draw(),e._redrawTimer=0}}return this._redraw},setProvider:function(e){var t=this.provider===null;if(!t){this.requestManager.clear();for(var n in this.levels)if(this.levels.hasOwnProperty(n)){var r=this.levels[n];while(r.firstChild)this.provider.releaseTile(r.firstChild.coord),r.removeChild(r.firstChild)}}this.tiles={},this.provider=e,t||this.draw()},enable:function(){return this.enabled=!0,this.parent.style.display="",this.draw(),this},disable:function(){return this.enabled=!1,this.requestManager.clear(),this.parent.style.display="none",this},destroy:function(){this.requestManager.clear(),this.requestManager.removeCallback("requestcomplete",this.getTileComplete()),this.requestManager.removeCallback("requesterror",this.getTileError()),this.provider=null,this.parent.parentNode&&this.parent.parentNode.removeChild(this.parent),this.map=null}},e.Map=function(t,n,r,i){if(typeof t=="string"){t=document.getElementById(t);if(!t)throw"The ID provided to modest maps could not be found."}this.parent=t,this.parent.style.padding="0",this.parent.style.overflow="hidden";var s=e.getStyle(this.parent,"position");s!="relative"&&s!="absolute"&&(this.parent.style.position="relative"),this.layers=[],n||(n=[]),n instanceof Array||(n=[n]);for(var o=0;o<n.length;o++)this.addLayer(n[o]);this.projection=new e.MercatorProjection(0,e.deriveTransformation(-Math.PI,Math.PI,0,0,Math.PI,Math.PI,1,0,-Math.PI,-Math.PI,0,1)),this.tileSize=new e.Point(256,256),this.coordLimits=[new e.Coordinate(0,-Infinity,0),(new e.Coordinate(1,Infinity,0)).zoomTo(18)],this.coordinate=new e.Coordinate(.5,.5,0),r?(this.autoSize=!1,this.parent.style.width=Math.round(r.x)+"px",this.parent.style.height=Math.round(r.y)+"px"):(r=new e.Point(this.parent.offsetWidth,this.parent.offsetHeight),this.autoSize=!0,e.addEvent(window,"resize",this.windowResize())),this.dimensions=r,this.callbackManager=new e.CallbackManager(this,["zoomed","panned","centered","extentset","resized","drawn"]);if(i===undefined)this.eventHandlers=[e.MouseHandler().init(this),e.TouchHandler().init(this)];else{this.eventHandlers=i;if(i instanceof Array)for(var u=0;u<i.length;u++)i[u].init(this)}},e.Map.prototype={parent:null,dimensions:null,projection:null,coordinate:null,tileSize:null,coordLimits:null,layers:null,callbackManager:null,eventHandlers:null,autoSize:null,toString:function(){return"Map(#"+this.parent.id+")"},addCallback:function(e,t){return this.callbackManager.addCallback(e,t),this},removeCallback:function(e,t){return this.callbackManager.removeCallback(e,t),this},dispatchCallback:function(e,t){return this.callbackManager.dispatchCallback(e,t),this},windowResize:function(){if(!this._windowResize){var t=this;this._windowResize=function(n){t.dimensions=new e.Point(t.parent.offsetWidth,t.parent.offsetHeight),t.draw(),t.dispatchCallback("resized",[t.dimensions])}}return this._windowResize},setZoomRange:function(e,t){return this.coordLimits[0]=this.coordLimits[0].zoomTo(e),this.coordLimits[1]=this.coordLimits[1].zoomTo(t),this},zoomBy:function(t){return this.coordinate=this.enforceLimits(this.coordinate.zoomBy(t)),e.getFrame(this.getRedraw()),this.dispatchCallback("zoomed",t),this},zoomIn:function(){return this.zoomBy(1)},zoomOut:function(){return this.zoomBy(-1)},setZoom:function(e){return this.zoomBy(e-this.coordinate.zoom)},zoomByAbout:function(e,t){var n=this.pointLocation(t);this.coordinate=this.enforceLimits(this.coordinate.zoomBy(e));var r=this.locationPoint(n);return this.dispatchCallback("zoomed",e),this.panBy(t.x-r.x,t.y-r.y)},panBy:function(t,n){return this.coordinate.column-=t/this.tileSize.x,this.coordinate.row-=n/this.tileSize.y,this.coordinate=this.enforceLimits(this.coordinate),e.getFrame(this.getRedraw()),this.dispatchCallback("panned",[t,n]),this},panLeft:function(){return this.panBy(100,0)},panRight:function(){return this.panBy(-100,0)},panDown:function(){return this.panBy(0,-100)},panUp:function(){return this.panBy(0,100)},setCenter:function(e){return this.setCenterZoom(e,this.coordinate.zoom)},setCenterZoom:function(t,n){return this.coordinate=this.projection.locationCoordinate(t).zoomTo(parseFloat(n)||0),this.coordinate=this.enforceLimits(this.coordinate),e.getFrame(this.getRedraw()),this.dispatchCallback("centered",[t,n]),this},extentCoordinate:function(t,n){t instanceof e.Extent&&(t=t.toArray());var r,i;for(var s=0;s<t.length;s++){var o=this.projection.locationCoordinate(t[s]);r?(r.row=Math.min(r.row,o.row),r.column=Math.min(r.column,o.column),r.zoom=Math.min(r.zoom,o.zoom),i.row=Math.max(i.row,o.row),i.column=Math.max(i.column,o.column),i.zoom=Math.max(i.zoom,o.zoom)):(r=o.copy(),i=o.copy())}var u=this.dimensions.x+1,a=this.dimensions.y+1,f=(i.column-r.column)/(u/this.tileSize.x),l=Math.log(f)/Math.log(2),c=r.zoom-(n?l:Math.ceil(l)),h=(i.row-r.row)/(a/this.tileSize.y),p=Math.log(h)/Math.log(2),d=r.zoom-(n?p:Math.ceil(p)),v=Math.min(c,d);v=Math.min(v,this.coordLimits[1].zoom),v=Math.max(v,this.coordLimits[0].zoom);var m=(r.row+i.row)/2,g=(r.column+i.column)/2,y=r.zoom;return(new e.Coordinate(m,g,y)).zoomTo(v)},setExtent:function(t,n){return this.coordinate=this.extentCoordinate(t,n),this.coordinate=this.enforceLimits(this.coordinate),e.getFrame(this.getRedraw()),this.dispatchCallback("extentset",t),this},setSize:function(t){return this.dimensions=new e.Point(t.x,t.y),this.parent.style.width=Math.round(this.dimensions.x)+"px",this.parent.style.height=Math.round(this.dimensions.y)+"px",this.autoSize&&(e.removeEvent(window,"resize",this.windowResize()),this.autoSize=!1),this.draw(),this.dispatchCallback("resized",this.dimensions),this},coordinatePoint:function(t){t.zoom!=this.coordinate.zoom&&(t=t.zoomTo(this.coordinate.zoom));var n=new e.Point(this.dimensions.x/2,this.dimensions.y/2);return n.x+=this.tileSize.x*(t.column-this.coordinate.column),n.y+=this.tileSize.y*(t.row-this.coordinate.row),n},pointCoordinate:function(e){var t=this.coordinate.copy();return t.column+=(e.x-this.dimensions.x/2)/this.tileSize.x,t.row+=(e.y-this.dimensions.y/2)/this.tileSize.y,t},locationCoordinate:function(e){return this.projection.locationCoordinate(e)},coordinateLocation:function(e){return this.projection.coordinateLocation(e)},locationPoint:function(e){return this.coordinatePoint(this.locationCoordinate(e))},pointLocation:function(e){return this.coordinateLocation(this.pointCoordinate(e))},getExtent:function(){return new e.Extent(this.pointLocation(new e.Point(0,0)),this.pointLocation(this.dimensions))},extent:function(e,t){return e?this.setExtent(e,t):this.getExtent()},getCenter:function(){return this.projection.coordinateLocation(this.coordinate)},center:function(e){return e?this.setCenter(e):this.getCenter()},getZoom:function(){return this.coordinate.zoom},zoom:function(e){return e!==undefined?this.setZoom(e):this.getZoom()},getLayers:function(){return this.layers.slice()},getLayer:function(e){for(var t=0;t<this.layers.length;t++)if(e==this.layers[t].name)return this.layers[t]},getLayerAt:function(e){return this.layers[e]},addLayer:function(t){return this.layers.push(t),this.parent.appendChild(t.parent),t.map=this,this.coordinate&&e.getFrame(this.getRedraw()),this},removeLayer:function(e){for(var t=0;t<this.layers.length;t++)if(e==this.layers[t]||e==this.layers[t].name){this.removeLayerAt(t);break}return this},setLayerAt:function(t,n){if(t<0||t>=this.layers.length)throw new Error("invalid index in setLayerAt(): "+t);if(this.layers[t]!=n){if(t<this.layers.length){var r=this.layers[t];this.parent.insertBefore(n.parent,r.parent),r.destroy()}else this.parent.appendChild(n.parent);this.layers[t]=n,n.map=this,e.getFrame(this.getRedraw())}return this},insertLayerAt:function(t,n){if(t<0||t>this.layers.length)throw new Error("invalid index in insertLayerAt(): "+t);if(t==this.layers.length)this.layers.push(n),this.parent.appendChild(n.parent);else{var r=this.layers[t];this.parent.insertBefore(n.parent,r.parent),this.layers.splice(t,0,n)}return n.map=this,e.getFrame(this.getRedraw()),this},removeLayerAt:function(e){if(e<0||e>=this.layers.length)throw new Error("invalid index in removeLayer(): "+e);var t=this.layers[e];return this.layers.splice(e,1),t.destroy(),this},swapLayersAt:function(e,t){if(e<0||e>=this.layers.length||t<0||t>=this.layers.length)throw new Error("invalid index in swapLayersAt(): "+index);var n=
this.layers[e],r=this.layers[t],i=document.createElement("div");return this.parent.replaceChild(i,r.parent),this.parent.replaceChild(r.parent,n.parent),this.parent.replaceChild(n.parent,i),this.layers[e]=r,this.layers[t]=n,this},enableLayer:function(e){var t=this.getLayer(e);return t&&t.enable(),this},enableLayerAt:function(e){var t=this.getLayerAt(e);return t&&t.enable(),this},disableLayer:function(e){var t=this.getLayer(e);return t&&t.disable(),this},disableLayerAt:function(e){var t=this.getLayerAt(e);return t&&t.disable(),this},enforceZoomLimits:function(e){var t=this.coordLimits;if(t){var n=t[0].zoom,r=t[1].zoom;e.zoom<n?e=e.zoomTo(n):e.zoom>r&&(e=e.zoomTo(r))}return e},enforcePanLimits:function(t){if(this.coordLimits){t=t.copy();var n=this.coordLimits[0].zoomTo(t.zoom),r=this.coordLimits[1].zoomTo(t.zoom),i=this.pointCoordinate(new e.Point(0,0)).zoomTo(t.zoom),s=this.pointCoordinate(this.dimensions).zoomTo(t.zoom);r.row-n.row<s.row-i.row?t.row=(r.row+n.row)/2:i.row<n.row?t.row+=n.row-i.row:s.row>r.row&&(t.row-=s.row-r.row),r.column-n.column<s.column-i.column?t.column=(r.column+n.column)/2:i.column<n.column?t.column+=n.column-i.column:s.column>r.column&&(t.column-=s.column-r.column)}return t},enforceLimits:function(e){return this.enforcePanLimits(this.enforceZoomLimits(e))},draw:function(){this.coordinate=this.enforceLimits(this.coordinate);if(this.dimensions.x<=0||this.dimensions.y<=0){if(!this.autoSize)return;var t=this.parent.offsetWidth,n=this.parent.offsetHeight;this.dimensions=new e.Point(t,n);if(t<=0||n<=0)return}for(var r=0;r<this.layers.length;r++)this.layers[r].draw();this.dispatchCallback("drawn")},_redrawTimer:undefined,requestRedraw:function(){this._redrawTimer||(this._redrawTimer=setTimeout(this.getRedraw(),1e3))},_redraw:null,getRedraw:function(){if(!this._redraw){var e=this;this._redraw=function(){e.draw(),e._redrawTimer=0}}return this._redraw},destroy:function(){for(var t=0;t<this.layers.length;t++)this.layers[t].destroy();this.layers=[],this.projection=null;for(var n=0;n<this.eventHandlers.length;n++)this.eventHandlers[n].remove();this.autoSize&&e.removeEvent(window,"resize",this.windowResize())}},e.mapByCenterZoom=function(t,n,r,i){var s=e.coerceLayer(n),o=new e.Map(t,s,!1);return o.setCenterZoom(r,i).draw(),o},e.mapByExtent=function(t,n,r,i){var s=e.coerceLayer(n),o=new e.Map(t,s,!1);return o.setExtent([r,i]).draw(),o},typeof module!="undefined"&&module.exports&&(module.exports={Point:e.Point,Projection:e.Projection,MercatorProjection:e.MercatorProjection,LinearProjection:e.LinearProjection,Transformation:e.Transformation,Location:e.Location,MapProvider:e.MapProvider,Template:e.Template,Coordinate:e.Coordinate,deriveTransformation:e.deriveTransformation})})(MM);