Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, 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["dijit.tree.dndSource"]){

dojo._hasResource["dijit.tree.dndSource"]=true;

dojo.provide("dijit.tree.dndSource");

dojo.require("dijit.tree._dndSelector");

dojo.require("dojo.dnd.Manager");

dojo.declare("dijit.tree.dndSource",dijit.tree._dndSelector,{isSource:true,accept:["text","treeNode"],copyOnly:false,dragThreshold:5,betweenThreshold:0,constructor:function(_1,_2){

if(!_2){

_2={};

}

dojo.mixin(this,_2);

this.isSource=typeof _2.isSource=="undefined"?true:_2.isSource;

var _3=_2.accept instanceof Array?_2.accept:["text","treeNode"];

this.accept=null;

if(_3.length){

this.accept={};

for(var i=0;i<_3.length;++i){

this.accept[_3[i]]=1;

}

}

this.isDragging=false;

this.mouseDown=false;

this.targetAnchor=null;

this.targetBox=null;

this.dropPosition="";

this._lastX=0;

this._lastY=0;

this.sourceState="";

if(this.isSource){

dojo.addClass(this.node,"dojoDndSource");

}

this.targetState="";

if(this.accept){

dojo.addClass(this.node,"dojoDndTarget");

}

this.topics=[dojo.subscribe("/dnd/source/over",this,"onDndSourceOver"),dojo.subscribe("/dnd/start",this,"onDndStart"),dojo.subscribe("/dnd/drop",this,"onDndDrop"),dojo.subscribe("/dnd/cancel",this,"onDndCancel")];

},checkAcceptance:function(_4,_5){

return true;

},copyState:function(_6){

return this.copyOnly||_6;

},destroy:function(){

this.inherited("destroy",arguments);

dojo.forEach(this.topics,dojo.unsubscribe);

this.targetAnchor=null;

},_onDragMouse:function(e){

var m=dojo.dnd.manager(),_7=this.targetAnchor,_8=this.current,_9=this.currentWidget,_a=this.dropPosition;

var _b="Over";

if(_8&&this.betweenThreshold>0){

if(!this.targetBox||_7!=_8){

this.targetBox=dojo.position(_8,true);

}

if((e.pageY-this.targetBox.y)<=this.betweenThreshold){

_b="Before";

}else{

if((e.pageY-this.targetBox.y)>=(this.targetBox.h-this.betweenThreshold)){

_b="After";

}

}

}

if(_8!=_7||_b!=_a){

if(_7){

this._removeItemClass(_7,_a);

}

if(_8){

this._addItemClass(_8,_b);

}

if(!_8){

m.canDrop(false);

}else{

if(_9==this.tree.rootNode&&_b!="Over"){

m.canDrop(false);

}else{

if(m.source==this&&(_8.id in this.selection)){

m.canDrop(false);

}else{

if(this.checkItemAcceptance(_8,m.source,_b.toLowerCase())&&!this._isParentChildDrop(m.source,_8)){

m.canDrop(true);

}else{

m.canDrop(false);

}

}

}

}

this.targetAnchor=_8;

this.dropPosition=_b;

}

},onMouseMove:function(e){

if(this.isDragging&&this.targetState=="Disabled"){

return;

}

this.inherited(arguments);

var m=dojo.dnd.manager();

if(this.isDragging){

this._onDragMouse(e);

}else{

if(this.mouseDown&&this.isSource&&(Math.abs(e.pageX-this._lastX)>=this.dragThreshold||Math.abs(e.pageY-this._lastY)>=this.dragThreshold)){

var n=this.getSelectedNodes();

var _c=[];

for(var i in n){

_c.push(n[i]);

}

if(_c.length){

m.startDrag(this,_c,this.copyState(dojo.isCopyKey(e)));

}

}

}

},onMouseDown:function(e){

this.mouseDown=true;

this.mouseButton=e.button;

this._lastX=e.pageX;

this._lastY=e.pageY;

this.inherited("onMouseDown",arguments);

},onMouseUp:function(e){

if(this.mouseDown){

this.mouseDown=false;

this.inherited("onMouseUp",arguments);

}

},onMouseOut:function(){

this.inherited(arguments);

this._unmarkTargetAnchor();

},checkItemAcceptance:function(_d,_e,_f){

return true;

},onDndSourceOver:function(_10){

if(this!=_10){

this.mouseDown=false;

this._unmarkTargetAnchor();

}else{

if(this.isDragging){

var m=dojo.dnd.manager();

m.canDrop(false);

}

}

},onDndStart:function(_11,_12,_13){

if(this.isSource){

this._changeState("Source",this==_11?(_13?"Copied":"Moved"):"");

}

var _14=this.checkAcceptance(_11,_12);

this._changeState("Target",_14?"":"Disabled");

if(this==_11){

dojo.dnd.manager().overSource(this);

}

this.isDragging=true;

},itemCreator:function(_15,_16,_17){

return dojo.map(_15,function(_18){

return {"id":_18.id,"name":_18.textContent||_18.innerText||""};

});

},onDndDrop:function(_19,_1a,_1b){

if(this.containerState=="Over"){

var _1c=this.tree,_1d=_1c.model,_1e=this.targetAnchor,_1f=false;

this.isDragging=false;

var _20=dijit.getEnclosingWidget(_1e);

var _21;

var _22;

_21=(_20&&_20.item)||_1c.item;

if(this.dropPosition=="Before"||this.dropPosition=="After"){

_21=(_20.getParent()&&_20.getParent().item)||_1c.item;

_22=_20.getIndexInParent();

if(this.dropPosition=="After"){

_22=_20.getIndexInParent()+1;

}

}else{

_21=(_20&&_20.item)||_1c.item;

}

var _23;

dojo.forEach(_1a,function(_24,idx){

var _25=_19.getItem(_24.id);

if(dojo.indexOf(_25.type,"treeNode")!=-1){

var _26=_25.data,_27=_26.item,_28=_26.getParent().item;

}

if(_19==this){

if(typeof _22=="number"){

if(_21==_28&&_26.getIndexInParent()<_22){

_22-=1;

}

}

_1d.pasteItem(_27,_28,_21,_1b,_22);

}else{

if(_1d.isItem(_27)){

_1d.pasteItem(_27,_28,_21,_1b,_22);

}else{

if(!_23){

_23=this.itemCreator(_1a,_1e,_19);

}

_1d.newItem(_23[idx],_21,_22);

}

}

},this);

this.tree._expandNode(_20);

}

this.onDndCancel();

},onDndCancel:function(){

this._unmarkTargetAnchor();

this.isDragging=false;

this.mouseDown=false;

delete this.mouseButton;

this._changeState("Source","");

this._changeState("Target","");

},onOverEvent:function(){

this.inherited(arguments);

dojo.dnd.manager().overSource(this);

},onOutEvent:function(){

this._unmarkTargetAnchor();

var m=dojo.dnd.manager();

if(this.isDragging){

m.canDrop(false);

}

m.outSource(this);

this.inherited(arguments);

},_isParentChildDrop:function(_29,_2a){

if(!_29.tree||_29.tree!=this.tree){

return false;

}

var _2b=_29.tree.domNode;

var ids={};

for(var x in _29.selection){

ids[_29.selection[x].parentNode.id]=true;

}

var _2c=_2a.parentNode;

while(_2c!=_2b&&(!_2c.id||!ids[_2c.id])){

_2c=_2c.parentNode;

}

return _2c.id&&ids[_2c.id];

},_unmarkTargetAnchor:function(){

if(!this.targetAnchor){

return;

}

this._removeItemClass(this.targetAnchor,this.dropPosition);

this.targetAnchor=null;

this.targetBox=null;

this.dropPosition=null;

},_markDndStatus:function(_2d){

this._changeState("Source",_2d?"Copied":"Moved");

}});

}