/*
	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.ui.dom.Pan"]){dojo._hasResource["dojox.drawing.ui.dom.Pan"]=true;dojo.provide("dojox.drawing.ui.dom.Pan");dojo.require("dojox.drawing.plugins._Plugin");dojo.deprecated("dojox.drawing.ui.dom.Pan","It may not even make it to the 1.4 release.",1.4);dojox.drawing.ui.dom.Pan=dojox.drawing.util.oo.declare(dojox.drawing.plugins._Plugin,function(_1){this.domNode=_1.node;var _2;dojo.connect(this.domNode,"click",this,"onSetPan");dojo.connect(this.keys,"onKeyUp",this,"onKeyUp");dojo.connect(this.keys,"onKeyDown",this,"onKeyDown");dojo.connect(this.anchors,"onAnchorUp",this,"checkBounds");dojo.connect(this.stencils,"register",this,"checkBounds");dojo.connect(this.canvas,"resize",this,"checkBounds");dojo.connect(this.canvas,"setZoom",this,"checkBounds");dojo.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.ui.dom.Pan",onKeyUp:function(_3){if(_3.keyCode==32){this.onSetPan(false);}},onKeyDown:function(_4){if(_4.keyCode==32){this.onSetPan(true);}},onSetPan:function(_5){if(_5===true||_5===false){this.selected=!_5;}if(this.selected){this.selected=false;dojo.removeClass(this.domNode,"selected");}else{this.selected=true;dojo.addClass(this.domNode,"selected");}this.mouse.setEventMode(this.selected?"pan":"");},onPanDrag:function(_6){var x=_6.x-_6.last.x;var y=_6.y-_6.last.y;this.canvas.domNode.parentNode.scrollTop-=_6.move.y;this.canvas.domNode.parentNode.scrollLeft-=_6.move.x;this.canvas.onScroll();},onStencilUp:function(_7){this.checkBounds();},onStencilDrag:function(_8){},checkBounds:function(){var _9=function(){};var _a=function(){};var t=Infinity,r=-Infinity,b=-Infinity,l=Infinity,sx=0,sy=0,dy=0,dx=0,mx=this.stencils.group?this.stencils.group.getTransform():{dx:0,dy:0},sc=this.mouse.scrollOffset(),_b=sc.left?10:0,_c=sc.top?10:0,ch=this.canvas.height,cw=this.canvas.width,z=this.canvas.zoom,_d=this.canvas.parentHeight,_e=this.canvas.parentWidth;this.stencils.withSelected(function(m){var o=m.getBounds();_a("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();_a("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);});b*=z;var _f=0,_10=0;_9("Bottom test","b:",b,"z:",z,"ch:",ch,"pch:",_d,"top:",sc.top,"sy:",sy);if(b>_d||sc.top){_9("*bottom scroll*");ch=Math.max(b,_d+sc.top);sy=sc.top;_f+=this.canvas.getScrollWidth();}else{if(!sy&&ch>_d){_9("*bottom remove*");ch=_d;}}r*=z;if(r>_e||sc.left){cw=Math.max(r,_e+sc.left);sx=sc.left;_10+=this.canvas.getScrollWidth();}else{if(!sx&&cw>_e){cw=_e;}}cw+=_f*2;ch+=_10*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.ui.dom.Pan.setup={name:"dojox.drawing.ui.dom.Pan",tooltip:"Pan Tool",iconClass:"iconPan"};dojox.drawing.register(dojox.drawing.ui.dom.Pan.setup,"plugin");}