512 lines
12 KiB
JavaScript
512 lines
12 KiB
JavaScript
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojo.data.ItemFileWriteStore"]){
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dojo._hasResource["dojo.data.ItemFileWriteStore"]=true;
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dojo.provide("dojo.data.ItemFileWriteStore");
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dojo.require("dojo.data.ItemFileReadStore");
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dojo.declare("dojo.data.ItemFileWriteStore",dojo.data.ItemFileReadStore,{constructor:function(_1){
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this._features["dojo.data.api.Write"]=true;
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this._features["dojo.data.api.Notification"]=true;
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this._pending={_newItems:{},_modifiedItems:{},_deletedItems:{}};
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if(!this._datatypeMap["Date"].serialize){
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this._datatypeMap["Date"].serialize=function(_2){
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return dojo.date.stamp.toISOString(_2,{zulu:true});
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};
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}
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if(_1&&(_1.referenceIntegrity===false)){
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this.referenceIntegrity=false;
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}
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this._saveInProgress=false;
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},referenceIntegrity:true,_assert:function(_3){
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if(!_3){
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throw new Error("assertion failed in ItemFileWriteStore");
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}
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},_getIdentifierAttribute:function(){
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var _4=this.getFeatures()["dojo.data.api.Identity"];
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return _4;
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},newItem:function(_5,_6){
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this._assert(!this._saveInProgress);
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if(!this._loadFinished){
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this._forceLoad();
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}
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if(typeof _5!="object"&&typeof _5!="undefined"){
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throw new Error("newItem() was passed something other than an object");
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}
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var _7=null;
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var _8=this._getIdentifierAttribute();
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if(_8===Number){
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_7=this._arrayOfAllItems.length;
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}else{
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_7=_5[_8];
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if(typeof _7==="undefined"){
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throw new Error("newItem() was not passed an identity for the new item");
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}
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if(dojo.isArray(_7)){
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throw new Error("newItem() was not passed an single-valued identity");
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}
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}
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if(this._itemsByIdentity){
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this._assert(typeof this._itemsByIdentity[_7]==="undefined");
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}
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this._assert(typeof this._pending._newItems[_7]==="undefined");
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this._assert(typeof this._pending._deletedItems[_7]==="undefined");
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var _9={};
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_9[this._storeRefPropName]=this;
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_9[this._itemNumPropName]=this._arrayOfAllItems.length;
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if(this._itemsByIdentity){
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this._itemsByIdentity[_7]=_9;
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_9[_8]=[_7];
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}
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this._arrayOfAllItems.push(_9);
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var _a=null;
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if(_6&&_6.parent&&_6.attribute){
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_a={item:_6.parent,attribute:_6.attribute,oldValue:undefined};
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var _b=this.getValues(_6.parent,_6.attribute);
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if(_b&&_b.length>0){
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var _c=_b.slice(0,_b.length);
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if(_b.length===1){
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_a.oldValue=_b[0];
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}else{
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_a.oldValue=_b.slice(0,_b.length);
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}
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_c.push(_9);
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this._setValueOrValues(_6.parent,_6.attribute,_c,false);
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_a.newValue=this.getValues(_6.parent,_6.attribute);
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}else{
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this._setValueOrValues(_6.parent,_6.attribute,_9,false);
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_a.newValue=_9;
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}
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}else{
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_9[this._rootItemPropName]=true;
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this._arrayOfTopLevelItems.push(_9);
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}
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this._pending._newItems[_7]=_9;
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for(var _d in _5){
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if(_d===this._storeRefPropName||_d===this._itemNumPropName){
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throw new Error("encountered bug in ItemFileWriteStore.newItem");
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}
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var _e=_5[_d];
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if(!dojo.isArray(_e)){
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_e=[_e];
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}
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_9[_d]=_e;
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if(this.referenceIntegrity){
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for(var i=0;i<_e.length;i++){
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var _f=_e[i];
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if(this.isItem(_f)){
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this._addReferenceToMap(_f,_9,_d);
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}
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}
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}
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}
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this.onNew(_9,_a);
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return _9;
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},_removeArrayElement:function(_10,_11){
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var _12=dojo.indexOf(_10,_11);
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if(_12!=-1){
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_10.splice(_12,1);
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return true;
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}
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return false;
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},deleteItem:function(_13){
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this._assert(!this._saveInProgress);
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this._assertIsItem(_13);
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var _14=_13[this._itemNumPropName];
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var _15=this.getIdentity(_13);
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if(this.referenceIntegrity){
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var _16=this.getAttributes(_13);
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if(_13[this._reverseRefMap]){
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_13["backup_"+this._reverseRefMap]=dojo.clone(_13[this._reverseRefMap]);
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}
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dojo.forEach(_16,function(_17){
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dojo.forEach(this.getValues(_13,_17),function(_18){
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if(this.isItem(_18)){
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if(!_13["backupRefs_"+this._reverseRefMap]){
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_13["backupRefs_"+this._reverseRefMap]=[];
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}
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_13["backupRefs_"+this._reverseRefMap].push({id:this.getIdentity(_18),attr:_17});
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this._removeReferenceFromMap(_18,_13,_17);
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}
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},this);
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},this);
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var _19=_13[this._reverseRefMap];
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if(_19){
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for(var _1a in _19){
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var _1b=null;
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if(this._itemsByIdentity){
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_1b=this._itemsByIdentity[_1a];
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}else{
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_1b=this._arrayOfAllItems[_1a];
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}
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if(_1b){
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for(var _1c in _19[_1a]){
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var _1d=this.getValues(_1b,_1c)||[];
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var _1e=dojo.filter(_1d,function(_1f){
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return !(this.isItem(_1f)&&this.getIdentity(_1f)==_15);
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},this);
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this._removeReferenceFromMap(_13,_1b,_1c);
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if(_1e.length<_1d.length){
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this._setValueOrValues(_1b,_1c,_1e,true);
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}
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}
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}
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}
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}
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}
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this._arrayOfAllItems[_14]=null;
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_13[this._storeRefPropName]=null;
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if(this._itemsByIdentity){
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delete this._itemsByIdentity[_15];
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}
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this._pending._deletedItems[_15]=_13;
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if(_13[this._rootItemPropName]){
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this._removeArrayElement(this._arrayOfTopLevelItems,_13);
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}
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this.onDelete(_13);
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return true;
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},setValue:function(_20,_21,_22){
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return this._setValueOrValues(_20,_21,_22,true);
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},setValues:function(_23,_24,_25){
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return this._setValueOrValues(_23,_24,_25,true);
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},unsetAttribute:function(_26,_27){
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return this._setValueOrValues(_26,_27,[],true);
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},_setValueOrValues:function(_28,_29,_2a,_2b){
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this._assert(!this._saveInProgress);
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this._assertIsItem(_28);
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this._assert(dojo.isString(_29));
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this._assert(typeof _2a!=="undefined");
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var _2c=this._getIdentifierAttribute();
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if(_29==_2c){
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throw new Error("ItemFileWriteStore does not have support for changing the value of an item's identifier.");
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}
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var _2d=this._getValueOrValues(_28,_29);
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var _2e=this.getIdentity(_28);
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if(!this._pending._modifiedItems[_2e]){
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var _2f={};
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for(var key in _28){
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if((key===this._storeRefPropName)||(key===this._itemNumPropName)||(key===this._rootItemPropName)){
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_2f[key]=_28[key];
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}else{
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if(key===this._reverseRefMap){
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_2f[key]=dojo.clone(_28[key]);
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}else{
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_2f[key]=_28[key].slice(0,_28[key].length);
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}
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}
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}
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this._pending._modifiedItems[_2e]=_2f;
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}
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var _30=false;
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if(dojo.isArray(_2a)&&_2a.length===0){
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_30=delete _28[_29];
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_2a=undefined;
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if(this.referenceIntegrity&&_2d){
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var _31=_2d;
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if(!dojo.isArray(_31)){
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_31=[_31];
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}
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for(var i=0;i<_31.length;i++){
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var _32=_31[i];
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if(this.isItem(_32)){
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this._removeReferenceFromMap(_32,_28,_29);
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}
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}
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}
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}else{
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var _33;
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if(dojo.isArray(_2a)){
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var _34=_2a;
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_33=_2a.slice(0,_2a.length);
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}else{
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_33=[_2a];
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}
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if(this.referenceIntegrity){
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if(_2d){
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var _31=_2d;
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if(!dojo.isArray(_31)){
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_31=[_31];
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}
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var map={};
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dojo.forEach(_31,function(_35){
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if(this.isItem(_35)){
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var id=this.getIdentity(_35);
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map[id.toString()]=true;
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}
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},this);
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dojo.forEach(_33,function(_36){
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if(this.isItem(_36)){
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var id=this.getIdentity(_36);
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if(map[id.toString()]){
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delete map[id.toString()];
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}else{
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this._addReferenceToMap(_36,_28,_29);
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}
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}
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},this);
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for(var rId in map){
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var _37;
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if(this._itemsByIdentity){
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_37=this._itemsByIdentity[rId];
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}else{
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_37=this._arrayOfAllItems[rId];
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}
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this._removeReferenceFromMap(_37,_28,_29);
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}
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}else{
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for(var i=0;i<_33.length;i++){
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var _32=_33[i];
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if(this.isItem(_32)){
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this._addReferenceToMap(_32,_28,_29);
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}
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}
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}
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}
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_28[_29]=_33;
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_30=true;
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}
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if(_2b){
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this.onSet(_28,_29,_2d,_2a);
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}
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return _30;
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},_addReferenceToMap:function(_38,_39,_3a){
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var _3b=this.getIdentity(_39);
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var _3c=_38[this._reverseRefMap];
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if(!_3c){
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_3c=_38[this._reverseRefMap]={};
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}
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var _3d=_3c[_3b];
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if(!_3d){
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_3d=_3c[_3b]={};
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}
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_3d[_3a]=true;
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},_removeReferenceFromMap:function(_3e,_3f,_40){
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var _41=this.getIdentity(_3f);
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var _42=_3e[this._reverseRefMap];
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var _43;
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if(_42){
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for(_43 in _42){
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if(_43==_41){
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delete _42[_43][_40];
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if(this._isEmpty(_42[_43])){
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delete _42[_43];
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}
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}
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}
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if(this._isEmpty(_42)){
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delete _3e[this._reverseRefMap];
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}
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}
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},_dumpReferenceMap:function(){
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var i;
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for(i=0;i<this._arrayOfAllItems.length;i++){
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var _44=this._arrayOfAllItems[i];
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if(_44&&_44[this._reverseRefMap]){
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}
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}
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},_getValueOrValues:function(_45,_46){
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var _47=undefined;
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if(this.hasAttribute(_45,_46)){
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var _48=this.getValues(_45,_46);
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if(_48.length==1){
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_47=_48[0];
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}else{
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_47=_48;
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}
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}
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return _47;
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},_flatten:function(_49){
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if(this.isItem(_49)){
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var _4a=_49;
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var _4b=this.getIdentity(_4a);
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var _4c={_reference:_4b};
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return _4c;
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}else{
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if(typeof _49==="object"){
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for(var _4d in this._datatypeMap){
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var _4e=this._datatypeMap[_4d];
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if(dojo.isObject(_4e)&&!dojo.isFunction(_4e)){
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if(_49 instanceof _4e.type){
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if(!_4e.serialize){
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throw new Error("ItemFileWriteStore: No serializer defined for type mapping: ["+_4d+"]");
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}
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return {_type:_4d,_value:_4e.serialize(_49)};
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}
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}else{
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if(_49 instanceof _4e){
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return {_type:_4d,_value:_49.toString()};
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}
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}
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}
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}
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return _49;
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}
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},_getNewFileContentString:function(){
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var _4f={};
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var _50=this._getIdentifierAttribute();
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if(_50!==Number){
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_4f.identifier=_50;
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}
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if(this._labelAttr){
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_4f.label=this._labelAttr;
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}
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_4f.items=[];
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for(var i=0;i<this._arrayOfAllItems.length;++i){
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var _51=this._arrayOfAllItems[i];
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if(_51!==null){
|
||
|
|
var _52={};
|
||
|
|
for(var key in _51){
|
||
|
|
if(key!==this._storeRefPropName&&key!==this._itemNumPropName&&key!==this._reverseRefMap&&key!==this._rootItemPropName){
|
||
|
|
var _53=key;
|
||
|
|
var _54=this.getValues(_51,_53);
|
||
|
|
if(_54.length==1){
|
||
|
|
_52[_53]=this._flatten(_54[0]);
|
||
|
|
}else{
|
||
|
|
var _55=[];
|
||
|
|
for(var j=0;j<_54.length;++j){
|
||
|
|
_55.push(this._flatten(_54[j]));
|
||
|
|
_52[_53]=_55;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_4f.items.push(_52);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var _56=true;
|
||
|
|
return dojo.toJson(_4f,_56);
|
||
|
|
},_isEmpty:function(_57){
|
||
|
|
var _58=true;
|
||
|
|
if(dojo.isObject(_57)){
|
||
|
|
var i;
|
||
|
|
for(i in _57){
|
||
|
|
_58=false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}else{
|
||
|
|
if(dojo.isArray(_57)){
|
||
|
|
if(_57.length>0){
|
||
|
|
_58=false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return _58;
|
||
|
|
},save:function(_59){
|
||
|
|
this._assert(!this._saveInProgress);
|
||
|
|
this._saveInProgress=true;
|
||
|
|
var _5a=this;
|
||
|
|
var _5b=function(){
|
||
|
|
_5a._pending={_newItems:{},_modifiedItems:{},_deletedItems:{}};
|
||
|
|
_5a._saveInProgress=false;
|
||
|
|
if(_59&&_59.onComplete){
|
||
|
|
var _5c=_59.scope||dojo.global;
|
||
|
|
_59.onComplete.call(_5c);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var _5d=function(err){
|
||
|
|
_5a._saveInProgress=false;
|
||
|
|
if(_59&&_59.onError){
|
||
|
|
var _5e=_59.scope||dojo.global;
|
||
|
|
_59.onError.call(_5e,err);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
if(this._saveEverything){
|
||
|
|
var _5f=this._getNewFileContentString();
|
||
|
|
this._saveEverything(_5b,_5d,_5f);
|
||
|
|
}
|
||
|
|
if(this._saveCustom){
|
||
|
|
this._saveCustom(_5b,_5d);
|
||
|
|
}
|
||
|
|
if(!this._saveEverything&&!this._saveCustom){
|
||
|
|
_5b();
|
||
|
|
}
|
||
|
|
},revert:function(){
|
||
|
|
this._assert(!this._saveInProgress);
|
||
|
|
var _60;
|
||
|
|
for(_60 in this._pending._modifiedItems){
|
||
|
|
var _61=this._pending._modifiedItems[_60];
|
||
|
|
var _62=null;
|
||
|
|
if(this._itemsByIdentity){
|
||
|
|
_62=this._itemsByIdentity[_60];
|
||
|
|
}else{
|
||
|
|
_62=this._arrayOfAllItems[_60];
|
||
|
|
}
|
||
|
|
_61[this._storeRefPropName]=this;
|
||
|
|
for(key in _62){
|
||
|
|
delete _62[key];
|
||
|
|
}
|
||
|
|
dojo.mixin(_62,_61);
|
||
|
|
}
|
||
|
|
var _63;
|
||
|
|
for(_60 in this._pending._deletedItems){
|
||
|
|
_63=this._pending._deletedItems[_60];
|
||
|
|
_63[this._storeRefPropName]=this;
|
||
|
|
var _64=_63[this._itemNumPropName];
|
||
|
|
if(_63["backup_"+this._reverseRefMap]){
|
||
|
|
_63[this._reverseRefMap]=_63["backup_"+this._reverseRefMap];
|
||
|
|
delete _63["backup_"+this._reverseRefMap];
|
||
|
|
}
|
||
|
|
this._arrayOfAllItems[_64]=_63;
|
||
|
|
if(this._itemsByIdentity){
|
||
|
|
this._itemsByIdentity[_60]=_63;
|
||
|
|
}
|
||
|
|
if(_63[this._rootItemPropName]){
|
||
|
|
this._arrayOfTopLevelItems.push(_63);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for(_60 in this._pending._deletedItems){
|
||
|
|
_63=this._pending._deletedItems[_60];
|
||
|
|
if(_63["backupRefs_"+this._reverseRefMap]){
|
||
|
|
dojo.forEach(_63["backupRefs_"+this._reverseRefMap],function(_65){
|
||
|
|
var _66;
|
||
|
|
if(this._itemsByIdentity){
|
||
|
|
_66=this._itemsByIdentity[_65.id];
|
||
|
|
}else{
|
||
|
|
_66=this._arrayOfAllItems[_65.id];
|
||
|
|
}
|
||
|
|
this._addReferenceToMap(_66,_63,_65.attr);
|
||
|
|
},this);
|
||
|
|
delete _63["backupRefs_"+this._reverseRefMap];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for(_60 in this._pending._newItems){
|
||
|
|
var _67=this._pending._newItems[_60];
|
||
|
|
_67[this._storeRefPropName]=null;
|
||
|
|
this._arrayOfAllItems[_67[this._itemNumPropName]]=null;
|
||
|
|
if(_67[this._rootItemPropName]){
|
||
|
|
this._removeArrayElement(this._arrayOfTopLevelItems,_67);
|
||
|
|
}
|
||
|
|
if(this._itemsByIdentity){
|
||
|
|
delete this._itemsByIdentity[_60];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._pending={_newItems:{},_modifiedItems:{},_deletedItems:{}};
|
||
|
|
return true;
|
||
|
|
},isDirty:function(_68){
|
||
|
|
if(_68){
|
||
|
|
var _69=this.getIdentity(_68);
|
||
|
|
return new Boolean(this._pending._newItems[_69]||this._pending._modifiedItems[_69]||this._pending._deletedItems[_69]).valueOf();
|
||
|
|
}else{
|
||
|
|
if(!this._isEmpty(this._pending._newItems)||!this._isEmpty(this._pending._modifiedItems)||!this._isEmpty(this._pending._deletedItems)){
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
},onSet:function(_6a,_6b,_6c,_6d){
|
||
|
|
},onNew:function(_6e,_6f){
|
||
|
|
},onDelete:function(_70){
|
||
|
|
},close:function(_71){
|
||
|
|
if(this.clearOnClose){
|
||
|
|
if(!this.isDirty()){
|
||
|
|
this.inherited(arguments);
|
||
|
|
}else{
|
||
|
|
throw new Error("dojo.data.ItemFileWriteStore: There are unsaved changes present in the store. Please save or revert the changes before invoking close.");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}});
|
||
|
|
}
|