8 lines
6.6 KiB
JavaScript
8 lines
6.6 KiB
JavaScript
/*
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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//>>built
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define("dojo/dnd/Source",["../main","./Selector","./Manager"],function(_1,_2,_3){if(!_1.isAsync){_1.ready(0,function(){var _4=["dojo/dnd/AutoSource","dojo/dnd/Target"];require(_4);});}return _1.declare("dojo.dnd.Source",_2,{isSource:true,horizontal:false,copyOnly:false,selfCopy:false,selfAccept:true,skipForm:false,withHandles:false,autoSync:false,delay:0,accept:["text"],generateText:true,constructor:function(_5,_6){_1.mixin(this,_1.mixin({},_6));var _7=this.accept;if(_7.length){this.accept={};for(var i=0;i<_7.length;++i){this.accept[_7[i]]=1;}}this.isDragging=false;this.mouseDown=false;this.targetAnchor=null;this.targetBox=null;this.before=true;this._lastX=0;this._lastY=0;this.sourceState="";if(this.isSource){_1.addClass(this.node,"dojoDndSource");}this.targetState="";if(this.accept){_1.addClass(this.node,"dojoDndTarget");}if(this.horizontal){_1.addClass(this.node,"dojoDndHorizontal");}this.topics=[_1.subscribe("/dnd/source/over",this,"onDndSourceOver"),_1.subscribe("/dnd/start",this,"onDndStart"),_1.subscribe("/dnd/drop",this,"onDndDrop"),_1.subscribe("/dnd/cancel",this,"onDndCancel")];},checkAcceptance:function(_8,_9){if(this==_8){return !this.copyOnly||this.selfAccept;}for(var i=0;i<_9.length;++i){var _a=_8.getItem(_9[i].id).type;var _b=false;for(var j=0;j<_a.length;++j){if(_a[j] in this.accept){_b=true;break;}}if(!_b){return false;}}return true;},copyState:function(_c,_d){if(_c){return true;}if(arguments.length<2){_d=this==_3.manager().target;}if(_d){if(this.copyOnly){return this.selfCopy;}}else{return this.copyOnly;}return false;},destroy:function(){_1.dnd.Source.superclass.destroy.call(this);_1.forEach(this.topics,_1.unsubscribe);this.targetAnchor=null;},onMouseMove:function(e){if(this.isDragging&&this.targetState=="Disabled"){return;}_1.dnd.Source.superclass.onMouseMove.call(this,e);var m=_3.manager();if(!this.isDragging){if(this.mouseDown&&this.isSource&&(Math.abs(e.pageX-this._lastX)>this.delay||Math.abs(e.pageY-this._lastY)>this.delay)){var _e=this.getSelectedNodes();if(_e.length){m.startDrag(this,_e,this.copyState(_1.isCopyKey(e),true));}}}if(this.isDragging){var _f=false;if(this.current){if(!this.targetBox||this.targetAnchor!=this.current){this.targetBox=_1.position(this.current,true);}if(this.horizontal){_f=(e.pageX-this.targetBox.x)<(this.targetBox.w/2);}else{_f=(e.pageY-this.targetBox.y)<(this.targetBox.h/2);}}if(this.current!=this.targetAnchor||_f!=this.before){this._markTargetAnchor(_f);m.canDrop(!this.current||m.source!=this||!(this.current.id in this.selection));}}},onMouseDown:function(e){if(!this.mouseDown&&this._legalMouseDown(e)&&(!this.skipForm||!_1.dnd.isFormElement(e))){this.mouseDown=true;this._lastX=e.pageX;this._lastY=e.pageY;_1.dnd.Source.superclass.onMouseDown.call(this,e);}},onMouseUp:function(e){if(this.mouseDown){this.mouseDown=false;_1.dnd.Source.superclass.onMouseUp.call(this,e);}},onDndSourceOver:function(_10){if(this!=_10){this.mouseDown=false;if(this.targetAnchor){this._unmarkTargetAnchor();}}else{if(this.isDragging){var m=_3.manager();m.canDrop(this.targetState!="Disabled"&&(!this.current||m.source!=this||!(this.current.id in this.selection)));}}},onDndStart:function(_11,_12,_13){if(this.autoSync){this.sync();}if(this.isSource){this._changeState("Source",this==_11?(_13?"Copied":"Moved"):"");}var _14=this.accept&&this.checkAcceptance(_11,_12);this._changeState("Target",_14?"":"Disabled");if(this==_11){_3.manager().overSource(this);}this.isDragging=true;},onDndDrop:function(_15,_16,_17,_18){if(this==_18){this.onDrop(_15,_16,_17);}this.onDndCancel();},onDndCancel:function(){if(this.targetAnchor){this._unmarkTargetAnchor();this.targetAnchor=null;}this.before=true;this.isDragging=false;this.mouseDown=false;this._changeState("Source","");this._changeState("Target","");},onDrop:function(_19,_1a,_1b){if(this!=_19){this.onDropExternal(_19,_1a,_1b);}else{this.onDropInternal(_1a,_1b);}},onDropExternal:function(_1c,_1d,_1e){var _1f=this._normalizedCreator;if(this.creator){this._normalizedCreator=function(_20,_21){return _1f.call(this,_1c.getItem(_20.id).data,_21);};}else{if(_1e){this._normalizedCreator=function(_22,_23){var t=_1c.getItem(_22.id);var n=_22.cloneNode(true);n.id=_1.dnd.getUniqueId();return {node:n,data:t.data,type:t.type};};}else{this._normalizedCreator=function(_24,_25){var t=_1c.getItem(_24.id);_1c.delItem(_24.id);return {node:_24,data:t.data,type:t.type};};}}this.selectNone();if(!_1e&&!this.creator){_1c.selectNone();}this.insertNodes(true,_1d,this.before,this.current);if(!_1e&&this.creator){_1c.deleteSelectedNodes();}this._normalizedCreator=_1f;},onDropInternal:function(_26,_27){var _28=this._normalizedCreator;if(this.current&&this.current.id in this.selection){return;}if(_27){if(this.creator){this._normalizedCreator=function(_29,_2a){return _28.call(this,this.getItem(_29.id).data,_2a);};}else{this._normalizedCreator=function(_2b,_2c){var t=this.getItem(_2b.id);var n=_2b.cloneNode(true);n.id=_1.dnd.getUniqueId();return {node:n,data:t.data,type:t.type};};}}else{if(!this.current){return;}this._normalizedCreator=function(_2d,_2e){var t=this.getItem(_2d.id);return {node:_2d,data:t.data,type:t.type};};}this._removeSelection();this.insertNodes(true,_26,this.before,this.current);this._normalizedCreator=_28;},onDraggingOver:function(){},onDraggingOut:function(){},onOverEvent:function(){_1.dnd.Source.superclass.onOverEvent.call(this);_3.manager().overSource(this);if(this.isDragging&&this.targetState!="Disabled"){this.onDraggingOver();}},onOutEvent:function(){_1.dnd.Source.superclass.onOutEvent.call(this);_3.manager().outSource(this);if(this.isDragging&&this.targetState!="Disabled"){this.onDraggingOut();}},_markTargetAnchor:function(_2f){if(this.current==this.targetAnchor&&this.before==_2f){return;}if(this.targetAnchor){this._removeItemClass(this.targetAnchor,this.before?"Before":"After");}this.targetAnchor=this.current;this.targetBox=null;this.before=_2f;if(this.targetAnchor){this._addItemClass(this.targetAnchor,this.before?"Before":"After");}},_unmarkTargetAnchor:function(){if(!this.targetAnchor){return;}this._removeItemClass(this.targetAnchor,this.before?"Before":"After");this.targetAnchor=null;this.targetBox=null;this.before=true;},_markDndStatus:function(_30){this._changeState("Source",_30?"Copied":"Moved");},_legalMouseDown:function(e){if(!_1.mouseButtons.isLeft(e)){return false;}if(!this.withHandles){return true;}for(var _31=e.target;_31&&_31!==this.node;_31=_31.parentNode){if(_1.hasClass(_31,"dojoDndHandle")){return true;}if(_1.hasClass(_31,"dojoDndItem")||_1.hasClass(_31,"dojoDndIgnore")){break;}}return false;}});}); |