root / trunk / web / dojo / dijit / _HasDropDown.js @ 11
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dijit._HasDropDown"]){ |
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| 9 | dojo._hasResource["dijit._HasDropDown"]=true; |
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| 10 | dojo.provide("dijit._HasDropDown");
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| 11 | dojo.require("dijit._base.place");
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| 12 | dojo.require("dijit._Widget");
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| 13 | dojo.declare("dijit._HasDropDown",null,{_buttonNode:null,_arrowWrapperNode:null,_popupStateNode:null,_aroundNode:null,dropDown:null,autoWidth:true,forceWidth:false,maxHeight:0,dropDownPosition:["below","above"],_stopClickEvents:true,_onDropDownMouseDown:function(e){ |
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| 14 | if(this.disabled||this.readOnly){ |
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| 15 | return;
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| 16 | } |
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| 17 | this._docHandler=this.connect(dojo.doc,"onmouseup","_onDropDownMouseUp"); |
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| 18 | this.toggleDropDown();
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| 19 | },_onDropDownMouseUp:function(e){ |
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| 20 | if(e&&this._docHandler){ |
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| 21 | this.disconnect(this._docHandler); |
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| 22 | } |
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| 23 | var _1=this.dropDown,_2=false; |
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| 24 | if(e&&this._opened){ |
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| 25 | var c=dojo.position(this._buttonNode,true); |
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| 26 | if(!(e.pageX>=c.x&&e.pageX<=c.x+c.w)||!(e.pageY>=c.y&&e.pageY<=c.y+c.h)){
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| 27 | var t=e.target;
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| 28 | while(t&&!_2){
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| 29 | if(dojo.hasClass(t,"dijitPopup")){ |
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| 30 | _2=true;
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| 31 | }else{
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| 32 | t=t.parentNode; |
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| 33 | } |
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| 34 | } |
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| 35 | if(_2){
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| 36 | t=e.target; |
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| 37 | if(_1.onItemClick){
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| 38 | var _3;
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| 39 | while(t&&!(_3=dijit.byNode(t))){
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| 40 | t=t.parentNode; |
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| 41 | } |
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| 42 | if(_3&&_3.onClick&&_3.getParent){
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| 43 | _3.getParent().onItemClick(_3,e); |
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| 44 | } |
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| 45 | } |
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| 46 | return;
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| 47 | } |
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| 48 | } |
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| 49 | } |
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| 50 | if(this._opened&&_1.focus){ |
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| 51 | window.setTimeout(dojo.hitch(_1,"focus"),1); |
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| 52 | } |
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| 53 | },_onDropDownClick:function(e){ |
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| 54 | if(this._stopClickEvents){ |
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| 55 | dojo.stopEvent(e); |
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| 56 | } |
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| 57 | },_setupDropdown:function(){ |
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| 58 | this._buttonNode=this._buttonNode||this.focusNode||this.domNode; |
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| 59 | this._popupStateNode=this._popupStateNode||this.focusNode||this._buttonNode; |
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| 60 | this._aroundNode=this._aroundNode||this.domNode; |
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| 61 | this.connect(this._buttonNode,"onmousedown","_onDropDownMouseDown"); |
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| 62 | this.connect(this._buttonNode,"onclick","_onDropDownClick"); |
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| 63 | this.connect(this._buttonNode,"onkeydown","_onDropDownKeydown"); |
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| 64 | this.connect(this._buttonNode,"onkeyup","_onKey"); |
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| 65 | if(this._setStateClass){ |
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| 66 | this.connect(this,"openDropDown","_setStateClass"); |
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| 67 | this.connect(this,"closeDropDown","_setStateClass"); |
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| 68 | } |
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| 69 | var _4={"after":this.isLeftToRight()?"Right":"Left","before":this.isLeftToRight()?"Left":"Right","above":"Up","below":"Down","left":"Left","right":"Right"}[this.dropDownPosition[0]]||this.dropDownPosition[0]||"Down"; |
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| 70 | dojo.addClass(this._arrowWrapperNode||this._buttonNode,"dijit"+_4+"ArrowButton"); |
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| 71 | },postCreate:function(){ |
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| 72 | this._setupDropdown();
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| 73 | this.inherited(arguments); |
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| 74 | },destroyDescendants:function(){ |
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| 75 | if(this.dropDown){ |
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| 76 | if(!this.dropDown._destroyed){ |
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| 77 | this.dropDown.destroyRecursive();
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| 78 | } |
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| 79 | delete this.dropDown; |
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| 80 | } |
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| 81 | this.inherited(arguments); |
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| 82 | },_onDropDownKeydown:function(e){ |
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| 83 | if(e.keyCode==dojo.keys.DOWN_ARROW||e.keyCode==dojo.keys.ENTER||e.keyCode==dojo.keys.SPACE){
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| 84 | e.preventDefault(); |
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| 85 | } |
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| 86 | },_onKey:function(e){ |
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| 87 | if(this.disabled||this.readOnly){ |
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| 88 | return;
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| 89 | } |
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| 90 | var d=this.dropDown; |
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| 91 | if(d&&this._opened&&d.handleKey){ |
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| 92 | if(d.handleKey(e)===false){ |
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| 93 | return;
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| 94 | } |
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| 95 | } |
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| 96 | if(d&&this._opened&&e.keyCode==dojo.keys.ESCAPE){ |
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| 97 | this.toggleDropDown();
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| 98 | }else{
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| 99 | if(d&&!this._opened&&(e.keyCode==dojo.keys.DOWN_ARROW||e.keyCode==dojo.keys.ENTER||e.keyCode==dojo.keys.SPACE)){ |
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| 100 | this.toggleDropDown();
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| 101 | if(d.focus){
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| 102 | setTimeout(dojo.hitch(d,"focus"),1); |
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| 103 | } |
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| 104 | } |
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| 105 | } |
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| 106 | },_onBlur:function(){ |
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| 107 | this.closeDropDown();
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| 108 | this.inherited(arguments); |
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| 109 | },isLoaded:function(){ |
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| 110 | return true; |
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| 111 | },loadDropDown:function(_5){ |
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| 112 | _5(); |
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| 113 | },toggleDropDown:function(){ |
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| 114 | if(this.disabled||this.readOnly){ |
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| 115 | return;
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| 116 | } |
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| 117 | this.focus();
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| 118 | var _6=this.dropDown; |
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| 119 | if(!_6){
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| 120 | return;
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| 121 | } |
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| 122 | if(!this._opened){ |
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| 123 | if(!this.isLoaded()){ |
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| 124 | this.loadDropDown(dojo.hitch(this,"openDropDown")); |
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| 125 | return;
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| 126 | }else{
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| 127 | this.openDropDown();
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| 128 | } |
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| 129 | }else{
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| 130 | this.closeDropDown();
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| 131 | } |
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| 132 | },openDropDown:function(){ |
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| 133 | var _7=this.dropDown; |
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| 134 | var _8=_7.domNode;
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| 135 | var _9=this; |
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| 136 | if(!this._preparedNode){ |
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| 137 | dijit.popup.moveOffScreen(_8); |
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| 138 | this._preparedNode=true; |
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| 139 | if(_8.style.width){
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| 140 | this._explicitDDWidth=true; |
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| 141 | } |
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| 142 | if(_8.style.height){
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| 143 | this._explicitDDHeight=true; |
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| 144 | } |
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| 145 | } |
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| 146 | if(this.maxHeight||this.forceWidth||this.autoWidth){ |
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| 147 | var _a={display:"",visibility:"hidden"}; |
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| 148 | if(!this._explicitDDWidth){ |
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| 149 | _a.width="";
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| 150 | } |
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| 151 | if(!this._explicitDDHeight){ |
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| 152 | _a.height="";
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| 153 | } |
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| 154 | dojo.style(_8,_a); |
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| 155 | var mb=dojo.marginBox(_8);
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| 156 | var _b=(this.maxHeight&&mb.h>this.maxHeight); |
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| 157 | dojo.style(_8,{overflowX:"hidden",overflowY:_b?"auto":"hidden"});
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| 158 | if(_b){
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| 159 | mb.h=this.maxHeight;
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| 160 | if("w" in mb){ |
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| 161 | mb.w+=16;
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| 162 | } |
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| 163 | }else{
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| 164 | delete mb.h;
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| 165 | } |
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| 166 | delete mb.t;
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| 167 | delete mb.l;
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| 168 | if(this.forceWidth){ |
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| 169 | mb.w=this.domNode.offsetWidth;
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| 170 | }else{
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| 171 | if(this.autoWidth){ |
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| 172 | mb.w=Math.max(mb.w,this.domNode.offsetWidth);
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| 173 | }else{
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| 174 | delete mb.w;
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| 175 | } |
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| 176 | } |
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| 177 | if(dojo.isFunction(_7.resize)){
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| 178 | _7.resize(mb); |
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| 179 | }else{
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| 180 | dojo.marginBox(_8,mb); |
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| 181 | } |
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| 182 | } |
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| 183 | var _c=dijit.popup.open({parent:this,popup:_7,around:this._aroundNode,orient:dijit.getPopupAroundAlignment((this.dropDownPosition&&this.dropDownPosition.length)?this.dropDownPosition:["below"],this.isLeftToRight()),onExecute:function(){ |
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| 184 | _9.closeDropDown(true);
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| 185 | },onCancel:function(){ |
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| 186 | _9.closeDropDown(true);
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| 187 | },onClose:function(){ |
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| 188 | dojo.attr(_9._popupStateNode,"popupActive",false); |
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| 189 | dojo.removeClass(_9._popupStateNode,"dijitHasDropDownOpen");
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| 190 | _9._opened=false;
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| 191 | _9.state="";
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| 192 | }}); |
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| 193 | dojo.attr(this._popupStateNode,"popupActive","true"); |
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| 194 | dojo.addClass(_9._popupStateNode,"dijitHasDropDownOpen");
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| 195 | this._opened=true; |
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| 196 | this.state="Opened"; |
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| 197 | return _c;
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| 198 | },closeDropDown:function(_d){ |
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| 199 | if(this._opened){ |
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| 200 | if(_d){
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| 201 | this.focus();
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| 202 | } |
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| 203 | dijit.popup.close(this.dropDown);
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| 204 | this._opened=false; |
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| 205 | this.state=""; |
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| 206 | } |
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| 207 | }}); |
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| 208 | } |