egroupware_official/etemplate/js/et2_core_interfaces.js

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/**
* EGroupware eTemplate2 - File which contains all interfaces
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel
* @copyright Stylite 2011
* @version $Id$
*/
/*egw:uses
et2_core_inheritance;
*/
/**
* Interface for all widget classes, which are based on a DOM node.
*/
var et2_IDOMNode = new Interface({
/**
* Returns the DOM-Node of the current widget. The return value has to be
* a plain DOM node. If you want to return an jQuery object as you receive
* it with
*
* obj = $j(node);
*
* simply return obj[0];
*
* @param _sender The _sender parameter defines which widget is asking for
* the DOMNode. Depending on that, the widget may return different nodes.
* This is used in the grid. Normally the _sender parameter can be omitted
* in most implementations of the getDOMNode function.
* However, you should always define the _sender parameter when calling
* getDOMNode!
*/
getDOMNode: function(_sender) {}
});
/**
* Interface for all widgets which support returning a value
*/
var et2_IInput = new Interface({
/**
* getValue has to return the value of the input widget
*/
getValue: function() {},
/**
* Is dirty returns true if the value of the widget has changed since it
* was loaded.
*/
isDirty: function() {},
/**
* Causes the dirty flag to be reseted.
*/
resetDirty: function() {},
/**
* Checks the data to see if it is valid, as far as the client side can tell.
* Return true if it's not possible to tell on the client side, because the server
* will have the chance to validate also.
*
* The messages array is to be populated with everything wrong with the data,
* so don't stop checking after the first problem unless it really makes sense
* to ignore other problems.
*
* @param {String[]} messages List of messages explaining the failure(s).
* messages should be fairly short, and already translated.
*
* @return {boolean} True if the value is valid (enough), false to fail
*/
isValid: function(messages) {}
});
/**
* Interface for widgets which should be automatically resized
*/
var et2_IResizeable = new Interface({
/**
* Called whenever the window is resized
*/
resize: function() {}
});
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/**
* Interface for widgets which have the align attribute
*/
var et2_IAligned = new Interface({
get_align: function() {}
});
/**
* Interface for widgets which want to e.g. perform clientside validation before
* the form is submitted.
*/
var et2_ISubmitListener = new Interface({
/**
* Called whenever the template gets submitted. Return false if you want to
* stop submission.
*
* @param _values contains the values which will be sent to the server.
* Listeners may change these values before they get submitted.
*/
submit: function(_values) {}
});
/**
* Interface all widgets must support which can operate on given DOM-Nodes. This
* is used in grid lists, when only a single row gets really stored in the widget
* tree and this instance has to work on multiple copies of the DOM-Tree elements.
*/
var et2_IDetachedDOM = new Interface({
/**
* Creates a list of attributes which can be set when working in the
* "detached" mode. The result is stored in the _attrs array which is provided
* by the calling code.
*
* @param {array} _attrs
*/
getDetachedAttributes: function(_attrs) {},
/**
* Returns an array of DOM nodes. The (relatively) same DOM-Nodes have to be
* passed to the "setDetachedAttributes" function in the same order.
*/
getDetachedNodes: function() {},
/**
* Sets the given associative attribute->value array and applies the
* attributes to the given DOM-Node.
*
* @param _nodes is an array of nodes which have to be in the same order as
* the nodes returned by "getDetachedNodes"
* @param _values is an associative array which contains a subset of attributes
* returned by the "getDetachedAttributes" function and sets them to the
* given values.
*/
setDetachedAttributes: function(_nodes, _values) {}
});
/**
* Interface for widgets that need to do something special before printing
*/
var et2_IPrint = new Interface({
/**
* Set up for printing
*
* @return {undefined|Deferred} Return a jQuery Deferred object if not done setting up
* (waiting for data)
*/
beforePrint: function() {},
/**
* Reset after printing
*/
afterPrint: function() {}
});