356 lines
10 KiB
JavaScript
356 lines
10 KiB
JavaScript
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dojo.provide("dojox.wire.ml.Transfer");
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dojo.provide("dojox.wire.ml.ChildWire");
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dojo.provide("dojox.wire.ml.ColumnWire");
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dojo.provide("dojox.wire.ml.NodeWire");
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dojo.provide("dojox.wire.ml.SegmentWire");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Container");
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dojo.require("dojox.wire._base");
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dojo.require("dojox.wire.ml.Action");
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dojo.declare("dojox.wire.ml.Transfer", dojox.wire.ml.Action, {
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// summary:
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// A widget to transfer values through source and target Wires
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// description:
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// This widget represents a controller task to transfer a value from
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// a source to a target, through a source and a target Wires, when
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// an event (a function) or a topic is issued.
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// If this widget has child ChildWire widgets, their _addWire()
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// methods are called to add Wire arguments to a source or a target
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// Wire.
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// source:
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// A source object and/or property
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// sourceStore:
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// A data store for a source data item
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// sourceAttribute:
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// An attribute of a source data item
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// sourcePath:
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// A simplified XPath to a source property of an XML element
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// type:
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// A type of the value to be transferred
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// converter:
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// A class name of a converter for the value to be transferred
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// target:
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// A target object and/or property
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// targetStore:
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// A data store for a target data item
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// targetAttribute:
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// An attribute of a target data item
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// targetPath:
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// A simplified XPath to a target property of an XML element
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source: "",
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sourceStore: "",
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sourceAttribute: "",
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sourcePath: "",
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type: "",
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converter: "",
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delimiter: "",
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target: "",
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targetStore: "",
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targetAttribute: "",
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targetPath: "",
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_run: function(){
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// summary:
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// Transfer a value from a source to a target
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// description:
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// First, Wires for a source and a target are created from attributes.
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// Then, a value is obtained by getValue() of the source Wire is set
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// by setValue() of the target Wire.
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// The arguments to this method is passed to getValue() and setValue()
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// of Wires, so that they can be used to identify the root objects off
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// the arguments.
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var sourceWire = this._getWire("source");
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var targetWire = this._getWire("target");
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dojox.wire.transfer(sourceWire, targetWire, arguments);
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},
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_getWire: function(/*String*/which){
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// summary:
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// Build Wire arguments from attributes
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// description:
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// Arguments object for a source or a target Wire, specified by
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// 'which' argument, are build from corresponding attributes,
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// including '*Store' (for 'dataStore'), '*Attribute'
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// (for 'attribute), '*Path' (for 'path'), 'type' and 'converter'.
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// 'source' or 'target' attribute is parsed as:
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// "object_id.property_name[.sub_property_name...]"
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// If 'source' or 'target' starts with "arguments", 'object'
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// argument for a Wire is set to null, so that the root object is
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// given as an event or topic arguments.
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// If this widget has child ChildWire widgets with a corresponding
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// 'which' attribute, their _addWire() methods are called to add
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// additional Wire arguments and nested Wire is created,
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// specifying the Wire defined by this widget to 'object' argument.
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// which:
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// Which Wire arguments to build, "source" or "target"
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// returns:
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// Wire arguments object
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var args = undefined;
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if(which == "source"){
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args = {
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object: this.source,
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dataStore: this.sourceStore,
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attribute: this.sourceAttribute,
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path: this.sourcePath,
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type: this.type,
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converter: this.converter
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};
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}else{ // "target"
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args = {
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object: this.target,
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dataStore: this.targetStore,
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attribute: this.targetAttribute,
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path: this.targetPath
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};
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}
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if(args.object){
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if(args.object.length >= 9 && args.object.substring(0, 9) == "arguments"){
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args.property = args.object.substring(9);
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args.object = null;
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}else{
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var i = args.object.indexOf('.');
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if(i < 0){
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args.object = dojox.wire.ml._getValue(args.object);
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}else{
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args.property = args.object.substring(i + 1);
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args.object = dojox.wire.ml._getValue(args.object.substring(0, i));
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}
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}
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}
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if(args.dataStore){
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args.dataStore = dojox.wire.ml._getValue(args.dataStore);
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}
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var childArgs = undefined;
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var children = this.getChildren();
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for(var i in children){
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var child = children[i];
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if(child instanceof dojox.wire.ml.ChildWire && child.which == which){
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if(!childArgs){
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childArgs = {};
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}
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child._addWire(this, childArgs);
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}
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}
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if(childArgs){ // make nested Wires
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childArgs.object = dojox.wire.create(args);
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childArgs.dataStore = args.dataStore;
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args = childArgs;
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}
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return args; //Object
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}
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});
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dojo.declare("dojox.wire.ml.ChildWire", dijit._Widget, {
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// summary:
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// A widget to add a child wire
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// description:
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// Attributes of this widget are used to add a child Wire to
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// a composite Wire of the parent Transfer widget.
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// which:
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// Which Wire to add a child Wire, "source" or "target", default to
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// "source"
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// object:
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// A root object for the value
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// property:
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// A property for the value
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// type:
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// A type of the value
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// converter:
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// A class name of a converter for the value
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// attribute:
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// A data item attribute for the value
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// path:
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// A simplified XPath for the value
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// name:
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// A composite property name
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which: "source",
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object: "",
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property: "",
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type: "",
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converter: "",
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attribute: "",
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path: "",
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name: "",
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_addWire: function(/*Transfer*/parent, /*Object*/args){
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// summary:
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// Add a child Wire to Wire arguments
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// description:
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// If 'name' attribute is specified, a child Wire is added as
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// the named property of 'children' object of 'args'.
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// Otherwise, a child Wire is added to 'children' array of 'args'.
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// parent:
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// A parent Transfer widget
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// args:
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// Wire arguments
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if(this.name){ // object
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if(!args.children){
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args.children = {};
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}
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args.children[this.name] = this._getWire(parent);
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}else{ // array
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if(!args.children){
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args.children = [];
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}
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args.children.push(this._getWire(parent));
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}
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},
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_getWire: function(/*Transfer*/parent){
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// summary:
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// Build child Wire arguments from attributes
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// description:
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// Arguments object for a child Wire are build from attributes,
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// including 'object', 'property', 'type', 'converter',
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// 'attribute' and 'path'.
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// parent:
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// A parent Transfer widget
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// returns:
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// Wire arguments object
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return {
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object: (this.object ? dojox.wire.ml._getValue(this.object) : undefined),
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property: this.property,
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type: this.type,
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converter: this.converter,
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attribute: this.attribute,
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path: this.path
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}; //Object
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}
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});
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dojo.declare("dojox.wire.ml.ColumnWire", dojox.wire.ml.ChildWire, {
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// summary:
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// A widget to add a column wire
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// description:
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// Attributes of this widget are used to add a column Wire to
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// a TableAdapter of the parent Transfer widget.
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// column:
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// A column name
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column: "",
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_addWire: function(/*Transfer*/parent, /*Object*/args){
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// summary:
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// Add a column Wire to Wire arguments
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// description:
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// If 'column' attribute is specified, a column Wire is added as
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// the named property of 'columns' object of 'args'.
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// Otherwise, a column Wire is added to 'columns' array of 'args'.
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// parent:
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// A parent Transfer widget
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// args:
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// Wire arguments
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if(this.column){ // object
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if(!args.columns){
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args.columns = {};
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}
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args.columns[this.column] = this._getWire(parent);
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}else{ // array
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if(!args.columns){
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args.columns = [];
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}
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args.columns.push(this._getWire(parent));
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}
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}
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});
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dojo.declare("dojox.wire.ml.NodeWire", [dojox.wire.ml.ChildWire, dijit._Container], {
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// summary:
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// A widget to add node wires
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// description:
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// Attributes of this widget are used to add node Wires to
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// a TreeAdapter of the parent Transfer widget.
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// titleProperty:
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// A property for the node title
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// titleAttribute:
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// A data item attribute for the node title
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// titlePath:
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// A simplified XPath for the node title
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titleProperty: "",
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titleAttribute: "",
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titlePath: "",
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_addWire: function(/*Transfer*/parent, /*Object*/args){
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// summary:
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// Add node Wires to Wire arguments
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// description:
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// Node Wires are added to 'nodes' array of 'args'.
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// parent:
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// A parent Transfer widget
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// args:
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// Wire arguments
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if(!args.nodes){
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args.nodes = [];
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}
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args.nodes.push(this._getWires(parent));
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},
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_getWires: function(/*Transfer*/parent){
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// summary:
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// Build node Wires arguments from attributes
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// description:
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// Arguments object for 'node' Wire are build from attributes,
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// including 'object', 'property', 'type', 'converter',
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// 'attribute' and 'path'.
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// Arguments object for 'title' Wire are build from another set of
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// attributes, 'titleProperty', 'titleAttribute' and 'titlePath'.
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// If this widget has child NodeWire widgets, their _getWires()
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// methods are called recursively to build 'children' array of
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// 'args'.
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// parent:
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// A parent Transfer widget
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// returns:
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// Wire arguments object
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var args = {
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node: this._getWire(parent),
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title: {
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type: "string",
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property: this.titleProperty,
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attribute: this.titleAttribute,
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path: this.titlePath
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}
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};
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var childArgs = [];
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var children = this.getChildren();
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for(var i in children){
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var child = children[i];
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if(child instanceof dojox.wire.ml.NodeWire){
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childArgs.push(child._getWires(parent));
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}
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}
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if(childArgs.length > 0){
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args.children = childArgs;
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}
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return args; //Object
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}
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});
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dojo.declare("dojox.wire.ml.SegmentWire", dojox.wire.ml.ChildWire, {
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// summary:
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// A widget to add a segment wire
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// description:
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// Attributes of this widget are used to add a segment Wire to
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// a TextAdapter of the parent Transfer widget.
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_addWire: function(/*Transfer*/parent, /*Object*/args){
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// summary:
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// Add a segument Wire to Wire arguments
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// description:
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// A segment Wire is added to 'segments' array of 'args'.
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// If 'parent' has 'delimiter' attribute, it is used for
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// 'delimiter' property of 'args'.
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// parent:
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// A parent Transfer widget
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// args:
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// Wire arguments
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if(!args.segments){
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args.segments = [];
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}
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args.segments.push(this._getWire(parent));
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if(parent.delimiter && !args.delimiter){
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args.delimiter = parent.delimiter;
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}
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}
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});
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