/*
	Copyright (c) 2004-2011, 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.keys,"onKeyUp",this,"onKeyUp");this.connect(this.keys,"onKeyDown",this,"onKeyDown");this.connect(this.keys,"onArrow",this,"onArrow");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,keyScroll:false,type:"dojox.drawing.plugins.tools.Pan",onPanUp:function(_3){if(_3.id==this.button.id){this.onSetPan(false);}},onKeyUp:function(_4){switch(_4.keyCode){case 32:this.onSetPan(false);break;case 39:case 37:case 38:case 40:clearInterval(this._timer);break;}},onKeyDown:function(_5){if(_5.keyCode==32){this.onSetPan(true);}},interval:20,onArrow:function(_6){if(this._timer){clearInterval(this._timer);}this._timer=setInterval(dojo.hitch(this,function(_7){this.canvas.domNode.parentNode.scrollLeft+=_7.x*10;this.canvas.domNode.parentNode.scrollTop+=_7.y*10;},_6),this.interval);},onSetPan:function(_8){if(_8===true||_8===false){this.selected=!_8;}console.log("ON SET PAN:",this.selected);if(this.selected){this.selected=false;this.button.deselect();}else{this.selected=true;this.button.select();}this.mouse.setEventMode(this.selected?"pan":"");},onPanDrag:function(_9){var x=_9.x-_9.last.x;var y=_9.y-_9.last.y;this.canvas.domNode.parentNode.scrollTop-=_9.move.y;this.canvas.domNode.parentNode.scrollLeft-=_9.move.x;this.canvas.onScroll();},onUp:function(_a){if(_a.withinCanvas){this.keyScroll=true;}else{this.keyScroll=false;}},onStencilUp:function(_b){this.checkBounds();},onStencilDrag:function(_c){},checkBounds:function(){var _d=function(){};var _e=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(),_f=sc.left?10:0,scX=sc.top?10:0,ch=this.canvas.height,cw=this.canvas.width,z=this.canvas.zoom,pch=this.canvas.parentHeight,pcw=this.canvas.parentWidth;this.stencils.withSelected(function(m){var o=m.getBounds();_e("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();_e("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);_d("----------- B:",b,o.y2);});b*=z;var _10=0,_11=0;_d("Bottom test","b:",b,"z:",z,"ch:",ch,"pch:",pch,"top:",sc.top,"sy:",sy,"mx.dy:",mx.dy);if(b>pch||sc.top){_d("*bottom scroll*");ch=Math.max(b,pch+sc.top);sy=sc.top;_10+=this.canvas.getScrollWidth();}else{if(!sy&&ch>pch){_d("*bottom remove*");ch=pch;}}r*=z;if(r>pcw||sc.left){cw=Math.max(r,pcw+sc.left);sx=sc.left;_11+=this.canvas.getScrollWidth();}else{if(!sx&&cw>pcw){cw=pcw;}}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",button:false};dojox.drawing.register(dojox.drawing.plugins.tools.Pan.setup,"plugin");}