| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.drawing.plugins.tools.Pan"]){ |
| dojo._hasResource["dojox.drawing.plugins.tools.Pan"]=true; |
| dojo.provide("dojox.drawing.plugins.tools.Pan"); |
| dojo.require("dojox.drawing.plugins._Plugin"); |
| dojox.drawing.plugins.tools.Pan=dojox.drawing.util.oo.declare(dojox.drawing.plugins._Plugin,function(_1){ |
| this.domNode=_1.node; |
| var _2; |
| this.toolbar=_1.scope; |
| this.connect(this.toolbar,"onToolClick",this,function(){ |
| this.onSetPan(false); |
| }); |
| this.connect(this.button,"onClick",this,"onSetPan"); |
| this.connect(this.keys,"onKeyUp",this,"onKeyUp"); |
| this.connect(this.keys,"onKeyDown",this,"onKeyDown"); |
| this.connect(this.anchors,"onAnchorUp",this,"checkBounds"); |
| this.connect(this.stencils,"register",this,"checkBounds"); |
| this.connect(this.canvas,"resize",this,"checkBounds"); |
| this.connect(this.canvas,"setZoom",this,"checkBounds"); |
| this.connect(this.canvas,"onScroll",this,function(){ |
| if(this._blockScroll){ |
| this._blockScroll=false; |
| return; |
| } |
| _2&&clearTimeout(_2); |
| _2=setTimeout(dojo.hitch(this,"checkBounds"),200); |
| }); |
| this._mouseHandle=this.mouse.register(this); |
| },{selected:false,type:"dojox.drawing.plugins.tools.Pan",onPanUp:function(_3){ |
| if(_3.id==this.button.id){ |
| this.onSetPan(false); |
| } |
| },onKeyUp:function(_4){ |
| if(_4.keyCode==32){ |
| this.onSetPan(false); |
| } |
| },onKeyDown:function(_5){ |
| if(_5.keyCode==32){ |
| this.onSetPan(true); |
| } |
| },onSetPan:function(_6){ |
| if(_6===true||_6===false){ |
| this.selected=!_6; |
| } |
| if(this.selected){ |
| this.selected=false; |
| this.button.deselect(); |
| }else{ |
| this.selected=true; |
| this.button.select(); |
| } |
| this.mouse.setEventMode(this.selected?"pan":""); |
| },onPanDrag:function(_7){ |
| var x=_7.x-_7.last.x; |
| var y=_7.y-_7.last.y; |
| this.canvas.domNode.parentNode.scrollTop-=_7.move.y; |
| this.canvas.domNode.parentNode.scrollLeft-=_7.move.x; |
| this.canvas.onScroll(); |
| },onStencilUp:function(_8){ |
| this.checkBounds(); |
| },onStencilDrag:function(_9){ |
| },checkBounds:function(){ |
| var _a=function(){ |
| }; |
| var _b=function(){ |
| }; |
| var t=Infinity,r=-Infinity,b=-10000,l=10000,sx=0,sy=0,dy=0,dx=0,mx=this.stencils.group?this.stencils.group.getTransform():{dx:0,dy:0},sc=this.mouse.scrollOffset(),_c=sc.left?10:0,_d=sc.top?10:0,ch=this.canvas.height,cw=this.canvas.width,z=this.canvas.zoom,_e=this.canvas.parentHeight,_f=this.canvas.parentWidth; |
| this.stencils.withSelected(function(m){ |
| var o=m.getBounds(); |
| _b("SEL BOUNDS:",o); |
| t=Math.min(o.y1+mx.dy,t); |
| r=Math.max(o.x2+mx.dx,r); |
| b=Math.max(o.y2+mx.dy,b); |
| l=Math.min(o.x1+mx.dx,l); |
| }); |
| this.stencils.withUnselected(function(m){ |
| var o=m.getBounds(); |
| _b("UN BOUNDS:",o); |
| t=Math.min(o.y1,t); |
| r=Math.max(o.x2,r); |
| b=Math.max(o.y2,b); |
| l=Math.min(o.x1,l); |
| _a("----------- B:",b,o.y2); |
| }); |
| b*=z; |
| var _10=0,_11=0; |
| _a("Bottom test","b:",b,"z:",z,"ch:",ch,"pch:",_e,"top:",sc.top,"sy:",sy,"mx.dy:",mx.dy); |
| if(b>_e||sc.top){ |
| _a("*bottom scroll*"); |
| ch=Math.max(b,_e+sc.top); |
| sy=sc.top; |
| _10+=this.canvas.getScrollWidth(); |
| }else{ |
| if(!sy&&ch>_e){ |
| _a("*bottom remove*"); |
| ch=_e; |
| } |
| } |
| r*=z; |
| if(r>_f||sc.left){ |
| cw=Math.max(r,_f+sc.left); |
| sx=sc.left; |
| _11+=this.canvas.getScrollWidth(); |
| }else{ |
| if(!sx&&cw>_f){ |
| cw=_f; |
| } |
| } |
| cw+=_10*2; |
| ch+=_11*2; |
| this._blockScroll=true; |
| this.stencils.group&&this.stencils.group.applyTransform({dx:dx,dy:dy}); |
| this.stencils.withUnselected(function(m){ |
| m.transformPoints({dx:dx,dy:dy}); |
| }); |
| this.canvas.setDimensions(cw,ch,sx,sy); |
| }}); |
| dojox.drawing.plugins.tools.Pan.setup={name:"dojox.drawing.plugins.tools.Pan",tooltip:"Pan Tool",iconClass:"iconPan"}; |
| dojox.drawing.register(dojox.drawing.plugins.tools.Pan.setup,"plugin"); |
| } |