tree.js

用最近的dojo1.2.1制作前端的ajax购书网站

this._onExpandoClick({node:_4f});
}
}else{
this._publish("execute",{item:_4f.item,node:_4f});
this.onClick(_4f.item,_4f);
this.focusNode(_4f);
}
dojo.stopEvent(e);
},_onExpandoClick:function(_50){
var _51=_50.node;
this.focusNode(_51);
if(_51.isExpanded){
this._collapseNode(_51);
}else{
this._expandNode(_51);
}
},onClick:function(_52,_53){
},onOpen:function(_54,_55){
},onClose:function(_56,_57){
},_getNextNode:function(_58){
if(_58.isExpandable&&_58.isExpanded&&_58.hasChildren()){
return _58.getChildren()[0];
}else{
while(_58&&_58.isTreeNode){
var _59=_58.getNextSibling();
if(_59){
return _59;
}
_58=_58.getParent();
}
return null;
}
},_getRootOrFirstNode:function(){
return this.showRoot?this.rootNode:this.rootNode.getChildren()[0];
},_collapseNode:function(_5a){
if(_5a.isExpandable){
if(_5a.state=="LOADING"){
return;
}
_5a.collapse();
this.onClose(_5a.item,_5a);
if(this.persist&&_5a.item){
delete this._openedItemIds[this.model.getIdentity(_5a.item)];
this._saveState();
}
}
},_expandNode:function(_5b){
if(!_5b.isExpandable){
return;
}
var _5c=this.model,_5d=_5b.item;
switch(_5b.state){
case "LOADING":
return;
case "UNCHECKED":
_5b.markProcessing();
var _5e=this;
_5c.getChildren(_5d,function(_5f){
_5b.unmarkProcessing();
_5b.setChildItems(_5f);
_5e._expandNode(_5b);
},function(err){
console.error(_5e,": error loading root children: ",err);
});
break;
default:
_5b.expand();
this.onOpen(_5b.item,_5b);
if(this.persist&&_5d){
this._openedItemIds[_5c.getIdentity(_5d)]=true;
this._saveState();
}
}
},blurNode:function(){
var _61=this.lastFocused;
if(!_61){
return;
}
var _62=_61.labelNode;
dojo.removeClass(_62,"dijitTreeLabelFocused");
_62.setAttribute("tabIndex","-1");
dijit.setWaiState(_62,"selected",false);
this.lastFocused=null;
},focusNode:function(_63){
_63.labelNode.focus();
},_onBlur:function(){
this.inherited(arguments);
if(this.lastFocused){
var _64=this.lastFocused.labelNode;
dojo.removeClass(_64,"dijitTreeLabelFocused");
}
},_onTreeFocus:function(_65){
if(_65){
if(_65!=this.lastFocused){
this.blurNode();
}
var _66=_65.labelNode;
_66.setAttribute("tabIndex","0");
dijit.setWaiState(_66,"selected",true);
dojo.addClass(_66,"dijitTreeLabelFocused");
this.lastFocused=_65;
}
},_onItemDelete:function(_67){
var _68=this.model.getIdentity(_67);
var _69=this._itemNodeMap[_68];
if(_69){
var _6a=_69.getParent();
if(_6a){
_6a.removeChild(_69);
}
delete this._itemNodeMap[_68];
_69.destroyRecursive();
}
},_onItemChange:function(_6b){
var _6c=this.model,_6d=_6c.getIdentity(_6b),_6e=this._itemNodeMap[_6d];
if(_6e){
_6e.setLabelNode(this.getLabel(_6b));
_6e._updateItemClasses(_6b);
}
},_onItemChildrenChange:function(_6f,_70){
var _71=this.model,_72=_71.getIdentity(_6f),_73=this._itemNodeMap[_72];
if(_73){
_73.setChildItems(_70);
}
},_onItemDelete:function(_74){
var _75=this.model,_76=_75.getIdentity(_74),_77=this._itemNodeMap[_76];
if(_77){
_77.destroyRecursive();
delete this._itemNodeMap[_76];
}
},_saveState:function(){
if(!this.persist){
return;
}
var ary=[];
for(var id in this._openedItemIds){
ary.push(id);
}
dojo.cookie(this.cookieName,ary.join(","),{expires:365});
},destroy:function(){
if(this.rootNode){
this.rootNode.destroyRecursive();
}
if(this.dndController&&!dojo.isString(this.dndController)){
this.dndController.destroy();
}
this.rootNode=null;
this.inherited(arguments);
},destroyRecursive:function(){
this.destroy();
},_createTreeNode:function(_7a){
return new dijit._TreeNode(_7a);
}});
dojo.declare("dijit.tree.TreeStoreModel",null,{store:null,childrenAttrs:["children"],labelAttr:"",root:null,query:null,constructor:function(_7b){
dojo.mixin(this,_7b);
this.connects=[];
var _7c=this.store;
if(!_7c.getFeatures()["dojo.data.api.Identity"]){
throw new Error("dijit.Tree: store must support dojo.data.Identity");
}
if(_7c.getFeatures()["dojo.data.api.Notification"]){
this.connects=this.connects.concat([dojo.connect(_7c,"onNew",this,"_onNewItem"),dojo.connect(_7c,"onDelete",this,"_onDeleteItem"),dojo.connect(_7c,"onSet",this,"_onSetItem")]);
}
},destroy:function(){
dojo.forEach(this.connects,dojo.disconnect);
},getRoot:function(_7d,_7e){
if(this.root){
_7d(this.root);
}else{
this.store.fetch({query:this.query,onComplete:dojo.hitch(this,function(_7f){
if(_7f.length!=1){
throw new Error(this.declaredClass+": query "+dojo.toJson(this.query)+" returned "+_7f.length+" items, but must return exactly one item");
}
this.root=_7f[0];
_7d(this.root);
}),onError:_7e});
}
},mayHaveChildren:function(_80){
return dojo.some(this.childrenAttrs,function(_81){
return this.store.hasAttribute(_80,_81);
},this);
},getChildren:function(_82,_83,_84){
var _85=this.store;
var _86=[];
for(var i=0;i<this.childrenAttrs.length;i++){
var _88=_85.getValues(_82,this.childrenAttrs[i]);
_86=_86.concat(_88);
}
var _89=0;
dojo.forEach(_86,function(_8a){
if(!_85.isItemLoaded(_8a)){
_89++;
}
});
if(_89==0){
_83(_86);
}else{
var _8b=function _8b(_8c){
if(--_89==0){
_83(_86);
}
};
dojo.forEach(_86,function(_8d){
if(!_85.isItemLoaded(_8d)){
_85.loadItem({item:_8d,onItem:_8b,onError:_84});
}
});
}
},getIdentity:function(_8e){
return this.store.getIdentity(_8e);
},getLabel:function(_8f){
if(this.labelAttr){
return this.store.getValue(_8f,this.labelAttr);
}else{
return this.store.getLabel(_8f);
}
},newItem:function(_90,_91){
var _92={parent:_91,attribute:this.childrenAttrs[0]};
return this.store.newItem(_90,_92);
},pasteItem:function(_93,_94,_95,_96){
var _97=this.store,_98=this.childrenAttrs[0];
if(_94){
dojo.forEach(this.childrenAttrs,function(_99){
if(_97.containsValue(_94,_99,_93)){
if(!_96){
var _9a=dojo.filter(_97.getValues(_94,_99),function(x){
return x!=_93;
});
_97.setValues(_94,_99,_9a);
}
_98=_99;
}
});
}
if(_95){
_97.setValues(_95,_98,_97.getValues(_95,_98).concat(_93));
}
},onChange:function(_9c){
},onChildrenChange:function(_9d,_9e){
},onDelete:function(_9f,_a0){
},_onNewItem:function(_a1,_a2){
if(!_a2){
return;
}
this.getChildren(_a2.item,dojo.hitch(this,function(_a3){
this.onChildrenChange(_a2.item,_a3);
}));
},_onDeleteItem:function(_a4){
this.onDelete(_a4);
},_onSetItem:function(_a5,_a6,_a7,_a8){
if(dojo.indexOf(this.childrenAttrs,_a6)!=-1){
this.getChildren(_a5,dojo.hitch(this,function(_a9){
this.onChildrenChange(_a5,_a9);
}));
}else{
this.onChange(_a5);
}
}});
dojo.declare("dijit.tree.ForestStoreModel",dijit.tree.TreeStoreModel,{rootId:"$root$",rootLabel:"ROOT",query:null,constructor:function(_aa){
this.root={store:this,root:true,id:_aa.rootId,label:_aa.rootLabel,children:_aa.rootChildren};
},mayHaveChildren:function(_ab){
return _ab===this.root||this.inherited(arguments);
},getChildren:function(_ac,_ad,_ae){
if(_ac===this.root){
if(this.root.children){
_ad(this.root.children);
}else{
this.store.fetch({query:this.query,onComplete:dojo.hitch(this,function(_af){
this.root.children=_af;
_ad(_af);
}),onError:_ae});
}
}else{
this.inherited(arguments);
}
},getIdentity:function(_b0){
return (_b0===this.root)?this.root.id:this.inherited(arguments);
},getLabel:function(_b1){
return (_b1===this.root)?this.root.label:this.inherited(arguments);
},newItem:function(_b2,_b3){
if(_b3===this.root){
this.onNewRootItem(_b2);
return this.store.newItem(_b2);
}else{
return this.inherited(arguments);
}
},onNewRootItem:function(_b4){
},pasteItem:function(_b5,_b6,_b7,_b8){
if(_b6===this.root){
if(!_b8){
this.onLeaveRoot(_b5);
}
}
dijit.tree.TreeStoreModel.prototype.pasteItem.call(this,_b5,_b6===this.root?null:_b6,_b7===this.root?null:_b7);
if(_b7===this.root){
this.onAddToRoot(_b5);
}
},onAddToRoot:function(_b9){

},onLeaveRoot:function(_ba){

},_requeryTop:function(){
var _bb=this.root.children||[];
this.store.fetch({query:this.query,onComplete:dojo.hitch(this,function(_bc){
this.root.children=_bc;
if(_bb.length!=_bc.length||dojo.some(_bb,function(_bd,idx){
return _bc[idx]!=_bd;
})){
this.onChildrenChange(this.root,_bc);
}
})});
},_onNewItem:function(_bf,_c0){
this._requeryTop();
this.inherited(arguments);
},_onDeleteItem:function(_c1){
if(dojo.indexOf(this.root.children,_c1)!=-1){
this._requeryTop();
}
this.inherited(arguments);
}});
}