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Improve output: distinguish between failed assertions (failures) and unexpected exceptions (errors), and print a filtered stack trace for any exception.

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jeb228 2010-01-29 22:13:57 +00:00
commit 4f2e303079
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webapp/web/src/data/Observable.js Normal file
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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.data.Observable");
dojo.require("dojo.lang.common");
dojo.require("dojo.lang.assert");
// -------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------
dojo.data.Observable = function() {
};
// -------------------------------------------------------------------
// Public instance methods
// -------------------------------------------------------------------
dojo.data.Observable.prototype.addObserver = function(/* object */ observer) {
/**
* summary: Registers an object as an observer of this item,
* so that the object will be notified when the item changes.
*/
dojo.lang.assertType(observer, Object);
dojo.lang.assertType(observer.observedObjectHasChanged, Function);
if (!this._arrayOfObservers) {
this._arrayOfObservers = [];
}
if (!dojo.lang.inArray(this._arrayOfObservers, observer)) {
this._arrayOfObservers.push(observer);
}
};
dojo.data.Observable.prototype.removeObserver = function(/* object */ observer) {
/**
* summary: Removes the observer registration for a previously
* registered object.
*/
if (!this._arrayOfObservers) {
return;
}
var index = dojo.lang.indexOf(this._arrayOfObservers, observer);
if (index != -1) {
this._arrayOfObservers.splice(index, 1);
}
};
dojo.data.Observable.prototype.getObservers = function() {
/**
* summary: Returns an array with all the observers of this item.
*/
return this._arrayOfObservers; // Array or undefined
};