root / trunk / web / dojo / dijit / tree / TreeStoreModel.js @ 13
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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.tree.TreeStoreModel"]){ |
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| 9 | dojo._hasResource["dijit.tree.TreeStoreModel"]=true; |
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| 10 | dojo.provide("dijit.tree.TreeStoreModel");
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| 11 | dojo.declare("dijit.tree.TreeStoreModel",null,{store:null,childrenAttrs:["children"],newItemIdAttr:"id",labelAttr:"",root:null,query:null,deferItemLoadingUntilExpand:false,constructor:function(_1){ |
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| 12 | dojo.mixin(this,_1);
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| 13 | this.connects=[];
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| 14 | var _2=this.store; |
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| 15 | if(!_2.getFeatures()["dojo.data.api.Identity"]){ |
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| 16 | throw new Error("dijit.Tree: store must support dojo.data.Identity"); |
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| 17 | } |
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| 18 | if(_2.getFeatures()["dojo.data.api.Notification"]){ |
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| 19 | this.connects=this.connects.concat([dojo.connect(_2,"onNew",this,"onNewItem"),dojo.connect(_2,"onDelete",this,"onDeleteItem"),dojo.connect(_2,"onSet",this,"onSetItem")]); |
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| 20 | } |
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| 21 | },destroy:function(){ |
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| 22 | dojo.forEach(this.connects,dojo.disconnect);
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| 23 | },getRoot:function(_3,_4){ |
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| 24 | if(this.root){ |
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| 25 | _3(this.root);
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| 26 | }else{
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| 27 | this.store.fetch({query:this.query,onComplete:dojo.hitch(this,function(_5){ |
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| 28 | if(_5.length!=1){ |
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| 29 | throw new Error(this.declaredClass+": query "+dojo.toJson(this.query)+" returned "+_5.length+" items, but must return exactly one item"); |
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| 30 | } |
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| 31 | this.root=_5[0]; |
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| 32 | _3(this.root);
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| 33 | }),onError:_4});
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| 34 | } |
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| 35 | },mayHaveChildren:function(_6){ |
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| 36 | return dojo.some(this.childrenAttrs,function(_7){ |
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| 37 | return this.store.hasAttribute(_6,_7); |
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| 38 | },this);
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| 39 | },getChildren:function(_8,_9,_a){ |
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| 40 | var _b=this.store; |
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| 41 | if(!_b.isItemLoaded(_8)){
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| 42 | var _c=dojo.hitch(this,arguments.callee); |
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| 43 | _b.loadItem({item:_8,onItem:function(_d){
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| 44 | _c(_d,_9,_a); |
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| 45 | },onError:_a});
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| 46 | return;
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| 47 | } |
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| 48 | var _e=[];
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| 49 | for(var i=0;i<this.childrenAttrs.length;i++){ |
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| 50 | var _f=_b.getValues(_8,this.childrenAttrs[i]); |
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| 51 | _e=_e.concat(_f); |
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| 52 | } |
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| 53 | var _10=0; |
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| 54 | if(!this.deferItemLoadingUntilExpand){ |
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| 55 | dojo.forEach(_e,function(_11){
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| 56 | if(!_b.isItemLoaded(_11)){
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| 57 | _10++; |
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| 58 | } |
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| 59 | }); |
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| 60 | } |
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| 61 | if(_10==0){ |
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| 62 | _9(_e); |
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| 63 | }else{
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| 64 | dojo.forEach(_e,function(_12,idx){
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| 65 | if(!_b.isItemLoaded(_12)){
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| 66 | _b.loadItem({item:_12,onItem:function(_13){
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| 67 | _e[idx]=_13; |
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| 68 | if(--_10==0){ |
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| 69 | _9(_e); |
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| 70 | } |
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| 71 | },onError:_a});
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| 72 | } |
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| 73 | }); |
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| 74 | } |
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| 75 | },isItem:function(_14){ |
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| 76 | return this.store.isItem(_14); |
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| 77 | },fetchItemByIdentity:function(_15){ |
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| 78 | this.store.fetchItemByIdentity(_15);
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| 79 | },getIdentity:function(_16){ |
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| 80 | return this.store.getIdentity(_16); |
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| 81 | },getLabel:function(_17){ |
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| 82 | if(this.labelAttr){ |
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| 83 | return this.store.getValue(_17,this.labelAttr); |
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| 84 | }else{
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| 85 | return this.store.getLabel(_17); |
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| 86 | } |
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| 87 | },newItem:function(_18,_19,_1a){ |
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| 88 | var _1b={parent:_19,attribute:this.childrenAttrs[0],insertIndex:_1a}; |
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| 89 | if(this.newItemIdAttr&&_18[this.newItemIdAttr]){ |
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| 90 | this.fetchItemByIdentity({identity:_18[this.newItemIdAttr],scope:this,onItem:function(_1c){ |
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| 91 | if(_1c){
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| 92 | this.pasteItem(_1c,null,_19,true,_1a); |
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| 93 | }else{
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| 94 | this.store.newItem(_18,_1b);
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| 95 | } |
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| 96 | }}); |
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| 97 | }else{
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| 98 | this.store.newItem(_18,_1b);
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| 99 | } |
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| 100 | },pasteItem:function(_1d,_1e,_1f,_20,_21){ |
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| 101 | var _22=this.store,_23=this.childrenAttrs[0]; |
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| 102 | if(_1e){
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| 103 | dojo.forEach(this.childrenAttrs,function(_24){ |
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| 104 | if(_22.containsValue(_1e,_24,_1d)){
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| 105 | if(!_20){
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| 106 | var _25=dojo.filter(_22.getValues(_1e,_24),function(x){ |
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| 107 | return x!=_1d;
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| 108 | }); |
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| 109 | _22.setValues(_1e,_24,_25); |
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| 110 | } |
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| 111 | _23=_24; |
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| 112 | } |
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| 113 | }); |
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| 114 | } |
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| 115 | if(_1f){
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| 116 | if(typeof _21=="number"){ |
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| 117 | var _26=_22.getValues(_1f,_23).slice();
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| 118 | _26.splice(_21,0,_1d);
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| 119 | _22.setValues(_1f,_23,_26); |
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| 120 | }else{
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| 121 | _22.setValues(_1f,_23,_22.getValues(_1f,_23).concat(_1d)); |
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| 122 | } |
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| 123 | } |
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| 124 | },onChange:function(_27){ |
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| 125 | },onChildrenChange:function(_28,_29){ |
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| 126 | },onDelete:function(_2a,_2b){ |
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| 127 | },onNewItem:function(_2c,_2d){ |
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| 128 | if(!_2d){
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| 129 | return;
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| 130 | } |
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| 131 | this.getChildren(_2d.item,dojo.hitch(this,function(_2e){ |
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| 132 | this.onChildrenChange(_2d.item,_2e);
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| 133 | })); |
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| 134 | },onDeleteItem:function(_2f){ |
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| 135 | this.onDelete(_2f);
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| 136 | },onSetItem:function(_30,_31,_32,_33){ |
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| 137 | if(dojo.indexOf(this.childrenAttrs,_31)!=-1){ |
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| 138 | this.getChildren(_30,dojo.hitch(this,function(_34){ |
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| 139 | this.onChildrenChange(_30,_34);
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| 140 | })); |
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| 141 | }else{
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| 142 | this.onChange(_30);
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| 143 | } |
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| 144 | }}); |
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| 145 | } |