100 lines
3 KiB
JavaScript
100 lines
3 KiB
JavaScript
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dojo.provide("dojox.wire.CompositeWire");
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dojo.require("dojox.wire._base");
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dojo.require("dojox.wire.Wire");
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dojo.declare("dojox.wire.CompositeWire", dojox.wire.Wire, {
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// summary:
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// A Wire for composite values in object or array
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// description:
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// This class has multiple child Wires for object properties or array
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// elements.
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// When an object with Wires is specified to 'children' property, they
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// are used to get or set an object with property values.
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// When an array of Wiares is specified to 'children' property, they
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// are used to get or set an array with element values.
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_wireClass: "dojox.wire.CompositeWire",
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constructor: function(/*Object*/args){
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// summary:
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// Initialize properties
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// description:
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// If object properties or array elements specified in 'children'
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// property are not Wires, Wires are created from them as
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// arguments, with 'parent' property set to this Wire instance.
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// args:
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// Arguments to initialize properties
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// children:
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// An object or array containing child Wires
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this._initializeChildren(this.children);
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},
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_getValue: function(/*Object||Array*/object){
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// summary:
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// Return an object with property values or an array with element
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// values
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// description:
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// This method calls getValue() method of the child Wires with
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// 'object' argument and returns an object with the values as
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// properties or an arary of the values as elements.
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// object:
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// A root object
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// returns:
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// An object or array with values
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if(!object || !this.children){
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return object; //Object||Array
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}
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var value = (dojo.isArray(this.children) ? [] : {}); // array or object
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for(var c in this.children){
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value[c] = this.children[c].getValue(object);
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}
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return value;//Object||Array
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},
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_setValue: function(/*Object||Array*/object, /*Object||Array*/value){
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// summary:
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// Set an object properties or an array elements to an object
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// desription:
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// This method calls setValues() method of the child Wires with
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// a corresponding property or element in 'value' argument and
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// 'object' argument.
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// object:
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// A root object
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// value:
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// An object or array with values to set
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// returns:
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// 'object'
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if(!object || !this.children){
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return object; //Object||Array
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}
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for(var c in this.children){
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this.children[c].setValue(value[c], object);
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}
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return object; //Object||Array
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},
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_initializeChildren: function(/*Object||Array*/children){
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// summary:
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// Initialize child Wires
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// description:
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// If object properties or array elements specified in 'children'
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// argument are not Wires, Wires are created from them as
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// arguments, with 'parent' property set to this Wire instance.
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// children:
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// An object or array containing child Wires
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if(!children){
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return; //undefined
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}
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for(var c in children){
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var child = children[c];
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child.parent = this;
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if(!dojox.wire.isWire(child)){
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children[c] = dojox.wire.create(child);
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}
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}
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}
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});
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