- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/wire/TextAdapter.js
dojo.provide("dojox.wire.TextAdapter");
dojo.require("dojox.wire.CompositeWire");
dojo.declare("dojox.wire.TextAdapter", dojox.wire.CompositeWire, {
// summary:
// A composite Wire for a concatenated text
// description:
// This class has multiple child Wires for text segment values.
// Wires in 'segments' property are used to get text segments and
// values are concatenated with an optional delimiter string specified
// to 'delimiter' property.
_wireClass: "dojox.wire.TextAdapter",
constructor: function(/*Object*/args){
// summary:
// Initialize properties
// description:
// If array elements specified in 'segments' are not Wires, Wires
// are created from them as arguments, with 'parent' property set
// to this Wire instance.
// args:
// Arguments to initialize properties
// segments:
// An array containing child Wires for text segment values
// delimiter:
// A delimiter string
this._initializeChildren(this.segments);
if(!this.delimiter){
this.delimiter = "";
}
},
_getValue: function(/*Object||Array*/object){
// summary:
// Return a concatenated text
// description:
// This method calls getValue() method of the child Wires wuth
// 'object' argument and concatenate the values with 'delimiter'
// property to return.
// arg:
// A root object
// returns:
// A concatinated text
if(!object || !this.segments){
return object; //Object||Array
}
var text = "";
for(var i in this.segments){
var segment = this.segments[i].getValue(object);
text = this._addSegment(text, segment);
}
return text; //String
},
_setValue: function(/*Object||Array*/object, /*String*/value){
// summary:
// Not supported
throw new Error("Unsupported API: " + this._wireClass + "._setValue");
},
_addSegment: function(/*String*/text, /*String*/segment){
// summary:
// Return a concatenated text
// description:
// This method add a text segment specified to 'segment' argument
// to a base text specified to 'text', with 'delimiter' property.
// text:
// A base text
// segment:
// A text segment to add
// returns:
// A concatinated text
if(!segment){
return text; //String
}else if(!text){
return segment; //String
}else{
return text + this.delimiter + segment; //String
}
}
});
