lib/dojo/dnd/Container.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo.dnd.Container"]){
   9 dojo._hasResource["dojo.dnd.Container"]=true;
  10 dojo.provide("dojo.dnd.Container");
  11 dojo.require("dojo.dnd.common");
  12 dojo.require("dojo.parser");
  13 dojo.declare("dojo.dnd.Container",null,{skipForm:false,constructor:function(_1,_2){
  14 this.node=dojo.byId(_1);
  15 if(!_2){
  16 _2={};
  17 }
  18 this.creator=_2.creator||null;
  19 this.skipForm=_2.skipForm;
  20 this.parent=_2.dropParent&&dojo.byId(_2.dropParent);
  21 this.map={};
  22 this.current=null;
  23 this.containerState="";
  24 dojo.addClass(this.node,"dojoDndContainer");
  25 if(!(_2&&_2._skipStartup)){
  26 this.startup();
  27 }
  28 this.events=[dojo.connect(this.node,"onmouseover",this,"onMouseOver"),dojo.connect(this.node,"onmouseout",this,"onMouseOut"),dojo.connect(this.node,"ondragstart",this,"onSelectStart"),dojo.connect(this.node,"onselectstart",this,"onSelectStart")];
  29 },creator:function(){
  30 },getItem:function(_3){
  31 return this.map[_3];
  32 },setItem:function(_4,_5){
  33 this.map[_4]=_5;
  34 },delItem:function(_6){
  35 delete this.map[_6];
  36 },forInItems:function(f,o){
  37 o=o||dojo.global;
  38 var m=this.map,e=dojo.dnd._empty;
  39 for(var i in m){
  40 if(i in e){
  41 continue;
  42 }
  43 f.call(o,m[i],i,this);
  44 }
  45 return o;
  46 },clearItems:function(){
  47 this.map={};
  48 },getAllNodes:function(){
  49 return dojo.query("> .dojoDndItem",this.parent);
  50 },sync:function(){
  51 var _7={};
  52 this.getAllNodes().forEach(function(_8){
  53 if(_8.id){
  54 var _9=this.getItem(_8.id);
  55 if(_9){
  56 _7[_8.id]=_9;
  57 return;
  58 }
  59 }else{
  60 _8.id=dojo.dnd.getUniqueId();
  61 }
  62 var _a=_8.getAttribute("dndType"),_b=_8.getAttribute("dndData");
  63 _7[_8.id]={data:_b||_8.innerHTML,type:_a?_a.split(/\s*,\s*/):["text"]};
  64 },this);
  65 this.map=_7;
  66 return this;
  67 },insertNodes:function(_c,_d,_e){
  68 if(!this.parent.firstChild){
  69 _e=null;
  70 }else{
  71 if(_d){
  72 if(!_e){
  73 _e=this.parent.firstChild;
  74 }
  75 }else{
  76 if(_e){
  77 _e=_e.nextSibling;
  78 }
  79 }
  80 }
  81 if(_e){
  82 for(var i=0;i<_c.length;++i){
  83 var t=this._normalizedCreator(_c[i]);
  84 this.setItem(t.node.id,{data:t.data,type:t.type});
  85 this.parent.insertBefore(t.node,_e);
  86 }
  87 }else{
  88 for(var i=0;i<_c.length;++i){
  89 var t=this._normalizedCreator(_c[i]);
  90 this.setItem(t.node.id,{data:t.data,type:t.type});
  91 this.parent.appendChild(t.node);
  92 }
  93 }
  94 return this;
  95 },destroy:function(){
  96 dojo.forEach(this.events,dojo.disconnect);
  97 this.clearItems();
  98 this.node=this.parent=this.current=null;
  99 },markupFactory:function(_f,_10){
 100 _f._skipStartup=true;
 101 return new dojo.dnd.Container(_10,_f);
 102 },startup:function(){
 103 if(!this.parent){
 104 this.parent=this.node;
 105 if(this.parent.tagName.toLowerCase()=="table"){
 106 var c=this.parent.getElementsByTagName("tbody");
 107 if(c&&c.length){
 108 this.parent=c[0];
 109 }
 110 }
 111 }
 112 this.defaultCreator=dojo.dnd._defaultCreator(this.parent);
 113 this.sync();
 114 },onMouseOver:function(e){
 115 var n=e.relatedTarget;
 116 while(n){
 117 if(n==this.node){
 118 break;
 119 }
 120 try{
 121 n=n.parentNode;
 122 }
 123 catch(x){
 124 n=null;
 125 }
 126 }
 127 if(!n){
 128 this._changeState("Container","Over");
 129 this.onOverEvent();
 130 }
 131 n=this._getChildByEvent(e);
 132 if(this.current==n){
 133 return;
 134 }
 135 if(this.current){
 136 this._removeItemClass(this.current,"Over");
 137 }
 138 if(n){
 139 this._addItemClass(n,"Over");
 140 }
 141 this.current=n;
 142 },onMouseOut:function(e){
 143 for(var n=e.relatedTarget;n;){
 144 if(n==this.node){
 145 return;
 146 }
 147 try{
 148 n=n.parentNode;
 149 }
 150 catch(x){
 151 n=null;
 152 }
 153 }
 154 if(this.current){
 155 this._removeItemClass(this.current,"Over");
 156 this.current=null;
 157 }
 158 this._changeState("Container","");
 159 this.onOutEvent();
 160 },onSelectStart:function(e){
 161 if(!this.skipForm||!dojo.dnd.isFormElement(e)){
 162 dojo.stopEvent(e);
 163 }
 164 },onOverEvent:function(){
 165 },onOutEvent:function(){
 166 },_changeState:function(_11,_12){
 167 var _13="dojoDnd"+_11;
 168 var _14=_11.toLowerCase()+"State";
 169 dojo.removeClass(this.node,_13+this[_14]);
 170 dojo.addClass(this.node,_13+_12);
 171 this[_14]=_12;
 172 },_addItemClass:function(_15,_16){
 173 dojo.addClass(_15,"dojoDndItem"+_16);
 174 },_removeItemClass:function(_17,_18){
 175 dojo.removeClass(_17,"dojoDndItem"+_18);
 176 },_getChildByEvent:function(e){
 177 var _19=e.target;
 178 if(_19){
 179 for(var _1a=_19.parentNode;_1a;_19=_1a,_1a=_19.parentNode){
 180 if(_1a==this.parent&&dojo.hasClass(_19,"dojoDndItem")){
 181 return _19;
 182 }
 183 }
 184 }
 185 return null;
 186 },_normalizedCreator:function(_1b,_1c){
 187 var t=(this.creator||this.defaultCreator).call(this,_1b,_1c);
 188 if(!dojo.isArray(t.type)){
 189 t.type=["text"];
 190 }
 191 if(!t.node.id){
 192 t.node.id=dojo.dnd.getUniqueId();
 193 }
 194 dojo.addClass(t.node,"dojoDndItem");
 195 return t;
 196 }});
 197 dojo.dnd._createNode=function(tag){
 198 if(!tag){
 199 return dojo.dnd._createSpan;
 200 }
 201 return function(_1d){
 202 return dojo.create(tag,{innerHTML:_1d});
 203 };
 204 };
 205 dojo.dnd._createTrTd=function(_1e){
 206 var tr=dojo.create("tr");
 207 dojo.create("td",{innerHTML:_1e},tr);
 208 return tr;
 209 };
 210 dojo.dnd._createSpan=function(_1f){
 211 return dojo.create("span",{innerHTML:_1f});
 212 };
 213 dojo.dnd._defaultCreatorNodes={ul:"li",ol:"li",div:"div",p:"div"};
 214 dojo.dnd._defaultCreator=function(_20){
 215 var tag=_20.tagName.toLowerCase();
 216 var c=tag=="tbody"||tag=="thead"?dojo.dnd._createTrTd:dojo.dnd._createNode(dojo.dnd._defaultCreatorNodes[tag]);
 217 return function(_21,_22){
 218 var _23=_21&&dojo.isObject(_21),_24,_25,n;
 219 if(_23&&_21.tagName&&_21.nodeType&&_21.getAttribute){
 220 _24=_21.getAttribute("dndData")||_21.innerHTML;
 221 _25=_21.getAttribute("dndType");
 222 _25=_25?_25.split(/\s*,\s*/):["text"];
 223 n=_21;
 224 }else{
 225 _24=(_23&&_21.data)?_21.data:_21;
 226 _25=(_23&&_21.type)?_21.type:["text"];
 227 n=(_22=="avatar"?dojo.dnd._createSpan:c)(String(_24));
 228 }
 229 if(!n.id){
 230 n.id=dojo.dnd.getUniqueId();
 231 }
 232 return {node:n,data:_24,type:_25};
 233 };
 234 };
 235 }