rollinglist.js

用最近的dojo1.2.1制作前端的ajax购书网站

});
},scrollIntoView:function(_49){
if(this._scrollingTimeout){
window.clearTimeout(this._scrollingTimeout);
}
delete this._scrollingTimeout;
this._scrollingTimeout=window.setTimeout(dojo.hitch(this,function(){
if(_49.domNode){
dijit.scrollIntoView(_49.domNode);
}
delete this._scrollingTimeout;
return;
}),1);
},resize:function(_4a){
dijit.layout._LayoutWidget.prototype.resize.call(this,_4a);
},layout:function(){
var _4b=this.getChildren();
if(this._contentBox){
var _4c=this._contentBox.h-dojox.html.metrics.getScrollbar().h;
dojo.forEach(_4b,function(c){
dojo.marginBox(c.domNode,{h:_4c});
});
}
if(this._focusedPane){
var foc=this._focusedPane;
delete this._focusedPane;
if(!this._savedFocus){
foc.focus();
}
}else{
if(_4b&&_4b.length){
if(!this._savedFocus){
_4b[0].focus();
}
}
}
},_onChange:function(_4f){
this.onChange(_4f);
},_setValue:function(_50){
delete this._setInProgress;
if(!this._itemsMatch(this.value,_50)){
this.value=_50;
this._onChange(_50);
}
},_setValueAttr:function(_51){
if(this._itemsMatch(this.value,_51)&&!_51){
return;
}
if(this._setInProgress&&this._setInProgress===_51){
return;
}
this._setInProgress=_51;
if(!_51||!this.store.isItem(_51)){
var _52=this.getChildren()[0];
_52._setSelected(null);
this._onItemClick(null,_52,null,null);
return;
}
var _53=dojo.hitch(this,function(_54,_55){
var _56=this.store,id;
if(this.parentAttr&&_56.getFeatures()["dojo.data.api.Identity"]&&((id=this.store.getValue(_54,this.parentAttr))||id==="")){
var cb=function(i){
if(_56.getIdentity(i)==_56.getIdentity(_54)){
_55(null);
}else{
_55([i]);
}
};
if(id===""){
_55(null);
}else{
if(typeof id=="string"){
_56.fetchItemByIdentity({identity:id,onItem:cb});
}else{
if(_56.isItem(id)){
cb(id);
}
}
}
}else{
var _5a=this.childrenAttrs.length;
var _5b=[];
dojo.forEach(this.childrenAttrs,function(_5c){
var q={};
q[_5c]=_54;
_56.fetch({query:q,scope:this,onComplete:function(_5e){
if(this._setInProgress!==_51){
return;
}
_5b=_5b.concat(_5e);
_5a--;
if(_5a===0){
_55(_5b);
}
}});
},this);
}
});
var _5f=dojo.hitch(this,function(_60,idx){
var set=_60[idx];
var _63=this.getChildren()[idx];
var _64;
if(set&&_63){
var fx=dojo.hitch(this,function(){
if(_64){
this.disconnect(_64);
}
delete _64;
if(this._setInProgress!==_51){
return;
}
var _66=dojo.filter(_63._menu.getChildren(),function(i){
return this._itemsMatch(i.item,set);
},this)[0];
if(_66){
idx++;
_63._menu.onItemClick(_66,{type:"internal",stopPropagation:function(){
},preventDefault:function(){
}});
if(_60[idx]){
_5f(_60,idx);
}else{
this._setValue(set);
this.onItemClick(set,_63,this.getChildItems(set));
}
}
});
if(!_63.isLoaded){
_64=this.connect(_63,"onLoad",fx);
}else{
fx();
}
}else{
if(idx===0){
this.attr("value",null);
}
}
});
var _68=[];
var _69=dojo.hitch(this,function(_6a){
if(_6a&&_6a.length){
_68.push(_6a[0]);
_53(_6a[0],_69);
}else{
if(!_6a){
_68.pop();
}
_68.reverse();
_5f(_68,0);
}
});
var ns=this.domNode.style;
if(ns.display=="none"||ns.visibility=="hidden"){
this._setValue(_51);
}else{
if(!this._itemsMatch(_51,this._visibleItem)){
_69([_51]);
}
}
},_onItemClick:function(evt,_6d,_6e,_6f){
if(evt){
var _70=this._getPaneForItem(_6e,_6d,_6f);
var _71=(evt.type=="click"&&evt.alreadySelected);
if(_71&&_70){
this._removeAfter(_6d.getIndexInParent()+1);
var _72=_6d.getNextSibling();
if(_72&&_72._setSelected){
_72._setSelected(null);
}
this.scrollIntoView(_72);
}else{
if(_70){
this.addChild(_70,_6d.getIndexInParent()+1);
if(this._savedFocus){
_70.focus(true);
}
}else{
this._removeAfter(_6d);
this.scrollIntoView(_6d);
}
}
}else{
if(_6d){
this._removeAfter(_6d);
this.scrollIntoView(_6d);
}
}
if(!evt||evt.type!="internal"){
this._setValue(_6e);
this.onItemClick(_6e,_6d,_6f);
}
this._visibleItem=_6e;
},_getPaneForItem:function(_73,_74,_75){
var ret=this.getPaneForItem(_73,_74,_75);
ret.store=this.store;
ret.parentWidget=this;
ret.parentPane=_74||null;
if(!_73){
ret.query=this.query;
ret.queryOptions=this.queryOptions;
}else{
if(_75){
ret.items=_75;
}else{
ret.items=[_73];
}
}
return ret;
},_getMenuItemForItem:function(_77,_78){
var _79=this.store;
if(!_77||!_79&&!_79.isItem(_77)){
var i=new dijit.MenuItem({label:dojo.i18n.getLocalization("dojox.widget","RollingList",this.lang).empty,disabled:true,iconClass:"dojoxEmpty",focus:function(){
}});
this._updateClass(i.domNode,"Item");
return i;
}else{
var _7b=this.getChildItems(_77);
var _7c;
if(_7b){
_7c=this.getMenuItemForItem(_77,_78,_7b);
_7c.children=_7b;
this._updateClass(_7c.domNode,"Item",{"Expanding":true});
if(!_7c._started){
var c=_7c.connect(_7c,"startup",function(){
this.disconnect(c);
dojo.style(this.arrowWrapper,"display","");
});
}else{
dojo.style(_7c.arrowWrapper,"display","");
}
}else{
_7c=this.getMenuItemForItem(_77,_78,null);
this._updateClass(_7c.domNode,"Item",{"Single":true});
}
_7c.store=this.store;
_7c.item=_77;
if(!_7c.label){
_7c.attr("label",this.store.getLabel(_77));
}
if(_7c.focusNode){
var _7e=this;
_7c.focus=function(){
if(!this.disabled){
try{
this.focusNode.focus();
}
catch(e){
}
}
};
_7c.connect(_7c.focusNode,"onmouseenter",function(){
_7e._updateClass(this.domNode,"Item",{"Hover":true});
});
_7c.connect(_7c.focusNode,"onmouseleave",function(){
_7e._updateClass(this.domNode,"Item",{"Hover":false});
});
_7c.connect(_7c.focusNode,"blur",function(){
_7e._updateClass(this.domNode,"Item",{"Focus":false});
});
_7c.connect(_7c.focusNode,"focus",function(){
_7e._updateClass(this.domNode,"Item",{"Focus":true});
_7e._focusedPane=_78;
});
_7c.connect(_7c.focusNode,"ondblclick",function(){
_7e.onExecute();
});
}
return _7c;
}
},_setStore:function(_7f){
if(_7f===this.store&&this._started){
return;
}
this.store=_7f;
this._isIdentity=_7f.getFeatures()["dojo.data.api.Identity"];
var _80=this._getPaneForItem();
this.addChild(_80,0);
},_onKey:function(e){
if(e.charOrCode==dojo.keys.BACKSPACE){
dojo.stopEvent(e);
return;
}else{
if(e.charOrCode==dojo.keys.ESCAPE&&this._savedFocus){
try{
dijit.focus(this._savedFocus);
}
catch(e){
}
dojo.stopEvent(e);
return;
}else{
if(e.charOrCode==dojo.keys.LEFT_ARROW||e.charOrCode==dojo.keys.RIGHT_ARROW){
dojo.stopEvent(e);
return;
}
}
}
},focus:function(){
var _82=this._savedFocus;
this._savedFocus=dijit.getFocus(this);
if(!this._savedFocus.node){
delete this._savedFocus;
}
if(!this._focusedPane){
var _83=this.getChildren()[0];
if(_83&&!_82){
_83.focus(true);
}
}else{
this._savedFocus=dijit.getFocus(this);
var foc=this._focusedPane;
delete this._focusedPane;
if(!_82){
foc.focus(true);
}
}
},handleKey:function(e){
if(e.charOrCode==dojo.keys.DOWN_ARROW){
delete this._savedFocus;
this.focus();
return false;
}else{
if(e.charOrCode==dojo.keys.ESCAPE){
this.onCancel();
return false;
}
}
return true;
},startup:function(){
if(this._started){
return;
}
if(!this.getParent||!this.getParent()){
this.resize();
this.connect(dojo.global,"onresize","resize");
}
this._setStore(this.store);
this.inherited(arguments);
},getChildItems:function(_86){
var _87,_88=this.store;
dojo.forEach(this.childrenAttrs,function(_89){
var _8a=_88.getValues(_86,_89);
if(_8a&&_8a.length){
_87=(_87||[]).concat(_8a);
}
});
return _87;
},getMenuItemForItem:function(_8b,_8c,_8d){
return new dijit.MenuItem({});
},getPaneForItem:function(_8e,_8f,_90){
if(!_8e||_90){
return new dojox.widget._RollingListGroupPane({});
}else{
return null;
}
},onItemClick:function(_91,_92,_93){
},onExecute:function(){
},onCancel:function(){
},onChange:function(_94){
}});
}