combobox.js

用最近的dojo1.2.1制作前端的ajax购书网站

if(!this.disabled&&!this.readOnly&&this.hasDownArrow){
dojo.removeClass(this.downArrowNode,"dojoArrowButtonPushed");
}
},compositionend:function(evt){
this._onKeyPress({charCode:-1});
},constructor:function(){
this.query={};
this.fetchProperties={};
},postMixInProperties:function(){
if(!this.hasDownArrow){
this.baseClass="dijitTextBox";
}
if(!this.store){
var _32=this.srcNodeRef;
this.store=new dijit.form._ComboBoxDataStore(_32);
if(!this.value||((typeof _32.selectedIndex=="number")&&_32.selectedIndex.toString()===this.value)){
var _33=this.store.fetchSelectedItem();
if(_33){
this.value=this.store.getValue(_33,this._getValueField());
}
}
}
},_postCreate:function(){
var _34=dojo.query("label[for=\""+this.id+"\"]");
if(_34.length){
_34[0].id=(this.id+"_label");
var cn=this.comboNode;
dijit.setWaiState(cn,"labelledby",_34[0].id);
}
},uninitialize:function(){
if(this._popupWidget){
this._hideResultList();
this._popupWidget.destroy();
}
},_getMenuLabelFromItem:function(_36){
var _37=this.store.getValue(_36,this.labelAttr||this.searchAttr);
var _38=this.labelType;
if(this.highlightMatch!="none"&&this.labelType=="text"&&this._lastInput){
_37=this.doHighlight(_37,this._escapeHtml(this._lastInput));
_38="html";
}
return {html:_38=="html",label:_37};
},doHighlight:function(_39,_3a){
var _3b="i"+(this.highlightMatch=="all"?"g":"");
var _3c=this._escapeHtml(_39);
var ret=_3c.replace(new RegExp("^("+_3a+")",_3b),"<span class=\"dijitComboBoxHighlightMatch\">$1</span>");
if(_3c==ret){
ret=_3c.replace(new RegExp(" ("+_3a+")",_3b)," <span class=\"dijitComboBoxHighlightMatch\">$1</span>");
}
return ret;
},_escapeHtml:function(str){
str=String(str).replace(/&/gm,"&amp;").replace(/</gm,"&lt;").replace(/>/gm,"&gt;").replace(/"/gm,"&quot;");
return str;
},open:function(){
this._isShowingNow=true;
return dijit.popup.open({popup:this._popupWidget,around:this.domNode,parent:this});
},reset:function(){
this.item=null;
this.inherited(arguments);
}});
dojo.declare("dijit.form._ComboBoxMenu",[dijit._Widget,dijit._Templated],{templateString:"<ul class='dijitReset dijitMenu' dojoAttachEvent='onmousedown:_onMouseDown,onmouseup:_onMouseUp,onmouseover:_onMouseOver,onmouseout:_onMouseOut' tabIndex='-1' style='overflow: \"auto\"; overflow-x: \"hidden\";'>"+"<li class='dijitMenuItem dijitMenuPreviousButton' dojoAttachPoint='previousButton'></li>"+"<li class='dijitMenuItem dijitMenuNextButton' dojoAttachPoint='nextButton'></li>"+"</ul>",_messages:null,postMixInProperties:function(){
this._messages=dojo.i18n.getLocalization("dijit.form","ComboBox",this.lang);
this.inherited("postMixInProperties",arguments);
},_setValueAttr:function(_3f){
this.value=_3f;
this.onChange(_3f);
},onChange:function(_40){
},onPage:function(_41){
},postCreate:function(){
this.previousButton.innerHTML=this._messages["previousMessage"];
this.nextButton.innerHTML=this._messages["nextMessage"];
this.inherited(arguments);
},onClose:function(){
this._blurOptionNode();
},_createOption:function(_42,_43){
var _44=_43(_42);
var _45=dojo.doc.createElement("li");
dijit.setWaiRole(_45,"option");
if(_44.html){
_45.innerHTML=_44.label;
}else{
_45.appendChild(dojo.doc.createTextNode(_44.label));
}
if(_45.innerHTML==""){
_45.innerHTML="&nbsp;";
}
_45.item=_42;
return _45;
},createOptions:function(_46,_47,_48){
this.previousButton.style.display=(_47.start==0)?"none":"";
dojo.attr(this.previousButton,"id",this.id+"_prev");
dojo.forEach(_46,function(_49,i){
var _4b=this._createOption(_49,_48);
_4b.className="dijitReset dijitMenuItem";
dojo.attr(_4b,"id",this.id+i);
this.domNode.insertBefore(_4b,this.nextButton);
},this);
var _4c=false;
if(_47._maxOptions&&_47._maxOptions!=-1){
if((_47.start+_47.count)<_47._maxOptions){
_4c=true;
}else{
if((_47.start+_47.count)>(_47._maxOptions-1)){
if(_47.count==_46.length){
_4c=true;
}
}
}
}else{
if(_47.count==_46.length){
_4c=true;
}
}
this.nextButton.style.display=_4c?"":"none";
dojo.attr(this.nextButton,"id",this.id+"_next");
},clearResultList:function(){
while(this.domNode.childNodes.length>2){
this.domNode.removeChild(this.domNode.childNodes[this.domNode.childNodes.length-2]);
}
},getItems:function(){
return this.domNode.childNodes;
},getListLength:function(){
return this.domNode.childNodes.length-2;
},_onMouseDown:function(evt){
dojo.stopEvent(evt);
},_onMouseUp:function(evt){
if(evt.target===this.domNode){
return;
}else{
if(evt.target==this.previousButton){
this.onPage(-1);
}else{
if(evt.target==this.nextButton){
this.onPage(1);
}else{
var tgt=evt.target;
while(!tgt.item){
tgt=tgt.parentNode;
}
this._setValueAttr({target:tgt},true);
}
}
}
},_onMouseOver:function(evt){
if(evt.target===this.domNode){
return;
}
var tgt=evt.target;
if(!(tgt==this.previousButton||tgt==this.nextButton)){
while(!tgt.item){
tgt=tgt.parentNode;
}
}
this._focusOptionNode(tgt);
},_onMouseOut:function(evt){
if(evt.target===this.domNode){
return;
}
this._blurOptionNode();
},_focusOptionNode:function(_53){
if(this._highlighted_option!=_53){
this._blurOptionNode();
this._highlighted_option=_53;
dojo.addClass(this._highlighted_option,"dijitMenuItemHover");
}
},_blurOptionNode:function(){
if(this._highlighted_option){
dojo.removeClass(this._highlighted_option,"dijitMenuItemHover");
this._highlighted_option=null;
}
},_highlightNextOption:function(){
var fc=this.domNode.firstChild;
if(!this.getHighlightedOption()){
this._focusOptionNode(fc.style.display=="none"?fc.nextSibling:fc);
}else{
var ns=this._highlighted_option.nextSibling;
if(ns&&ns.style.display!="none"){
this._focusOptionNode(ns);
}
}
dijit.scrollIntoView(this._highlighted_option);
},highlightFirstOption:function(){
this._focusOptionNode(this.domNode.firstChild.nextSibling);
dijit.scrollIntoView(this._highlighted_option);
},highlightLastOption:function(){
this._focusOptionNode(this.domNode.lastChild.previousSibling);
dijit.scrollIntoView(this._highlighted_option);
},_highlightPrevOption:function(){
var lc=this.domNode.lastChild;
if(!this.getHighlightedOption()){
this._focusOptionNode(lc.style.display=="none"?lc.previousSibling:lc);
}else{
var ps=this._highlighted_option.previousSibling;
if(ps&&ps.style.display!="none"){
this._focusOptionNode(ps);
}
}
dijit.scrollIntoView(this._highlighted_option);
},_page:function(up){
var _59=0;
var _5a=this.domNode.scrollTop;
var _5b=dojo.style(this.domNode,"height");
if(!this.getHighlightedOption()){
this._highlightNextOption();
}
while(_59<_5b){
if(up){
if(!this.getHighlightedOption().previousSibling||this._highlighted_option.previousSibling.style.display=="none"){
break;
}
this._highlightPrevOption();
}else{
if(!this.getHighlightedOption().nextSibling||this._highlighted_option.nextSibling.style.display=="none"){
break;
}
this._highlightNextOption();
}
var _5c=this.domNode.scrollTop;
_59+=(_5c-_5a)*(up?-1:1);
_5a=_5c;
}
},pageUp:function(){
this._page(true);
},pageDown:function(){
this._page(false);
},getHighlightedOption:function(){
var ho=this._highlighted_option;
return (ho&&ho.parentNode)?ho:null;
},handleKey:function(key){
switch(key){
case dojo.keys.DOWN_ARROW:
this._highlightNextOption();
break;
case dojo.keys.PAGE_DOWN:
this.pageDown();
break;
case dojo.keys.UP_ARROW:
this._highlightPrevOption();
break;
case dojo.keys.PAGE_UP:
this.pageUp();
break;
}
}});
dojo.declare("dijit.form.ComboBox",[dijit.form.ValidationTextBox,dijit.form.ComboBoxMixin],{postMixInProperties:function(){
dijit.form.ComboBoxMixin.prototype.postMixInProperties.apply(this,arguments);
dijit.form.ValidationTextBox.prototype.postMixInProperties.apply(this,arguments);
},postCreate:function(){
dijit.form.ComboBoxMixin.prototype._postCreate.apply(this,arguments);
dijit.form.ValidationTextBox.prototype.postCreate.apply(this,arguments);
},_setDisabledAttr:function(_5f){
dijit.form.ValidationTextBox.prototype._setDisabledAttr.apply(this,arguments);
dijit.form.ComboBoxMixin.prototype._setDisabledAttr.apply(this,arguments);
},_setValueAttr:function(_60,_61){
if(!_60){
_60="";
}
dijit.form.ValidationTextBox.prototype._setValueAttr.call(this,_60,_61);
}});
dojo.declare("dijit.form._ComboBoxDataStore",null,{constructor:function(_62){
this.root=_62;
dojo.query("> option",_62).forEach(function(_63){
_63.innerHTML=dojo.trim(_63.innerHTML);
});
},getValue:function(_64,_65,_66){
return (_65=="value")?_64.value:(_64.innerText||_64.textContent||"");
},isItemLoaded:function(_67){
return true;
},getFeatures:function(){
return {"dojo.data.api.Read":true,"dojo.data.api.Identity":true};
},_fetchItems:function(_68,_69,_6a){
if(!_68.query){
_68.query={};
}
if(!_68.query.name){
_68.query.name="";
}
if(!_68.queryOptions){
_68.queryOptions={};
}
var _6b=dojo.data.util.filter.patternToRegExp(_68.query.name,_68.queryOptions.ignoreCase),_6c=dojo.query("> option",this.root).filter(function(_6d){
return (_6d.innerText||_6d.textContent||"").match(_6b);
});
if(_68.sort){
_6c.sort(dojo.data.util.sorter.createSortFunction(_68.sort,this));
}
_69(_6c,_68);
},close:function(_6e){
return;
},getLabel:function(_6f){
return _6f.innerHTML;
},getIdentity:function(_70){
return dojo.attr(_70,"value");
},fetchItemByIdentity:function(_71){
var _72=dojo.query("option[value='"+_71.identity+"']",this.root)[0];
_71.onItem(_72);
},fetchSelectedItem:function(){
var _73=this.root,si=_73.selectedIndex;
return dojo.query("> option:nth-child("+(si!=-1?si+1:1)+")",_73)[0];
}});
dojo.extend(dijit.form._ComboBoxDataStore,dojo.data.util.simpleFetch);
}