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path: root/includes/js/dojox/wire/DataWire.js
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-rw-r--r--includes/js/dojox/wire/DataWire.js179
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diff --git a/includes/js/dojox/wire/DataWire.js b/includes/js/dojox/wire/DataWire.js
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--- a/includes/js/dojox/wire/DataWire.js
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-if(!dojo._hasResource["dojox.wire.DataWire"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.wire.DataWire"] = true;
-dojo.provide("dojox.wire.DataWire");
-
-dojo.require("dojox.wire.Wire");
-
-dojo.declare("dojox.wire.DataWire", dojox.wire.Wire, {
- // summary:
- // A Wire for item attributes of data stores
- // description:
- // This class accesses item attributes of data stores with a dotted
- // notation of attribute names specified to 'attribute' property,
- // using data APIs of a data store specified to 'dataStore' property.
- // The root object for this class must be an item of the data store.
- // Intermediate attribute names in the dotted notation specify
- // attributes for child items, which are used for repeated calls to
- // data APIs until reached to a descendant attribute.
- // Attribute names may have an array index, such as "a[0]", to
- // identify an array element of the attribute value.
-
- _wireClass: "dojox.wire.DataWire",
-
- constructor: function(/*Object*/args){
- // summary:
- // Initialize properties
- // description:
- // If 'dataStore' property is not specified, but 'parent' property
- // is specified, 'dataStore' property is copied from the parent.
- // args:
- // Arguments to initialize properties
- // dataStore:
- // A data store
- // attribute:
- // A dotted notation to a descendant attribute
- if(!this.dataStore && this.parent){
- this.dataStore = this.parent.dataStore;
- }
- },
- _getValue: function(/*Object*/object){
- // summary:
- // Return an attribute value of an item
- // description:
- // This method uses a root item passed in 'object' argument and
- // 'attribute' property to call getValue() method of
- // 'dataStore'.
- // If an attribute name have an array suffix ("[]"), getValues()
- // method is called, instead.
- // If an index is specified in the array suffix, an array element
- // for the index is returned, instead of the array itself.
- // object:
- // A root item
- // returns:
- // A value found, otherwise 'undefined'
- if(!object || !this.attribute || !this.dataStore){
- return object; //Object
- }
-
- var value = object;
- var list = this.attribute.split('.');
- for(var i in list){
- value = this._getAttributeValue(value, list[i]);
- if(!value){
- return undefined; //undefined
- }
- }
- return value; //anything
- },
-
- _setValue: function(/*Object*/object, /*anything*/value){
- // summary:
- // Set an attribute value to an item
- // description:
- // This method uses a root item passed in 'object' argument and
- // 'attribute' property to identify an item.
- // Then, setValue() method of 'dataStore' is called with a leaf
- // attribute name and 'value' argument.
- // If an attribute name have an array suffix ("[]"), setValues()
- // method is called, instead.
- // If an index is specified in the array suffix, an array element
- // for the index is set to 'value', instead of the array itself.
- // object:
- // A root item
- // value:
- // A value to set
- // returns:
- // 'object', or 'undefined' for invalid attribute
- if(!object || !this.attribute || !this.dataStore){
- return object; //Object
- }
-
- var item = object;
- var list = this.attribute.split('.');
- var last = list.length - 1;
- for(var i = 0; i < last; i++){
- item = this._getAttributeValue(item, list[i]);
- if(!item){
- return undefined; //undefined
- }
- }
- this._setAttributeValue(item, list[last], value);
- return object; //Object
- },
-
- _getAttributeValue: function(/*Object*/item, /*String*/attribute){
- // summary:
- // Return an attribute value of an item
- // description:
- // This method uses an item passed in 'item' argument and
- // 'attribute' argument to call getValue() method of 'dataStore'.
- // If an attribute name have an array suffix ("[]"), getValues()
- // method is called, instead.
- // If an index is specified in the array suffix, an array element
- // for the index is returned, instead of the array itself.
- // item:
- // An item
- // attribute
- // An attribute name
- // returns:
- // A value found, otherwise 'undefined'
- var value = undefined;
- var i1 = attribute.indexOf('[');
- if(i1 >= 0){
- var i2 = attribute.indexOf(']');
- var index = attribute.substring(i1 + 1, i2);
- attribute = attribute.substring(0, i1);
- var array = this.dataStore.getValues(item, attribute);
- if(array){
- if(!index){ // return array for "attribute[]"
- value = array;
- }else{
- value = array[index];
- }
- }
- }else{
- value = this.dataStore.getValue(item, attribute);
- }
- return value; //anything
- },
-
- _setAttributeValue: function(/*Object*/item, /*String*/attribute, /*anything*/value){
- // summary:
- // Set an attribute value to an item
- // description:
- // This method uses an item passed in 'item' argument and
- // 'attribute' argument to call setValue() method of 'dataStore'
- // with 'value' argument.
- // If an attribute name have an array suffix ("[]"), setValues()
- // method is called, instead.
- // If an index is specified in the array suffix, an array element
- // for the index is set to 'value', instead of the array itself.
- // item:
- // An item
- // attribute:
- // An attribute name
- // value:
- // A value to set
- var i1 = attribute.indexOf('[');
- if(i1 >= 0){
- var i2 = attribute.indexOf(']');
- var index = attribute.substring(i1 + 1, i2);
- attribute = attribute.substring(0, i1);
- var array = null;
- if(!index){ // replace whole array for "attribute[]"
- array = value;
- }else{
- array = this.dataStore.getValues(item, attribute);
- if(!array){
- array = [];
- }
- array[index] = value;
- }
- this.dataStore.setValues(item, attribute, array);
- }else{
- this.dataStore.setValue(item, attribute, value);
- }
- }
-});
-
-}