| 12345678 |
- /*
- 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");}
|
