forked from extern/egroupware
412 lines
8.6 KiB
JavaScript
412 lines
8.6 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Widget base class
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2011
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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jquery.jquery;
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lib/tooltip;
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et2_core_DOMWidget;
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*/
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/**
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* Class which manages the DOM node itself. The simpleWidget class is derrived
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* from et2_DOMWidget and implements the getDOMNode function. A setDOMNode
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* function is provided, which attatches the given node to the DOM if possible.
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*
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* @augments et2_DOMWidget
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*/
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var et2_baseWidget = et2_DOMWidget.extend(et2_IAligned,
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{
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attributes: {
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"statustext": {
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"name": "Tooltip",
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"type": "string",
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"description": "Tooltip which is shown for this element",
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"translate": true
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},
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"align": {
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"name": "Align",
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"type": "string",
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"default": "left",
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"description": "Position of this element in the parent hbox"
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},
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"onclick": {
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"name": "onclick",
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"type": "js",
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"description": "JS code which is executed when the element is clicked."
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}
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},
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/**
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* Constructor
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*
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* @memberOf et2BaseWidget
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*/
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init: function() {
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this.align = "left";
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this._super.apply(this, arguments);
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this.node = null;
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this.statustext = "";
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this._messageDiv = null;
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this._tooltipElem = null;
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},
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destroy: function() {
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this._super.apply(this, arguments);
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this.node = null;
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this._messageDiv = null;
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},
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/**
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* The setMessage function can be used to attach a small message box to the
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* widget. This is e.g. used to display validation errors or success messages
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*
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* @param _text is the text which should be displayed as a message
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* @param _type is an css class which is attached to the message box.
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* Currently available are "hint", "success" and "validation_error", defaults
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* to "hint"
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* @param _floating if true, the object will be in one row with the element,
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* defaults to true
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* @param _prepend if set, the message is displayed behind the widget node
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* instead of before. Defaults to false.
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*/
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showMessage: function(_text, _type, _floating, _prepend) {
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// Preset the parameters
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if (typeof _type == "undefined")
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{
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_type = "hint";
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}
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if (typeof _floating == "undefined")
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{
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_floating = true;
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}
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if (typeof _prepend == "undefined")
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{
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_prepend = false;
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}
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var surr = this.getSurroundings();
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// Remove the message div from the surroundings before creating a new
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// one
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this.hideMessage(false, true);
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// Create the message div and add it to the "surroundings" manager
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this._messageDiv = $j(document.createElement("div"))
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.addClass("message")
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.addClass(_type)
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.addClass(_floating ? "floating" : "")
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.text(_text.valueOf() + "");
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// Decide whether to prepend or append the div
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if (_prepend)
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{
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surr.prependDOMNode(this._messageDiv[0]);
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}
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else
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{
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surr.appendDOMNode(this._messageDiv[0]);
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}
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surr.update();
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},
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/**
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* The hideMessage function can be used to hide a previously shown message.
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*
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* @param _fade if true, the message div will fade out, otherwise the message
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* div is removed immediately. Defaults to true.
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* @param _noUpdate is used internally to prevent an update of the surroundings
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* manager.
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*/
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hideMessage: function(_fade, _noUpdate) {
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if (typeof _fade == "undefined")
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{
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_fade = true;
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}
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if (typeof _noUpdate == "undefined")
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{
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_noUpdate = false;
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}
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// Remove the message from the surroundings manager and remove the
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// reference to it
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if (this._messageDiv != null)
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{
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var surr = this.getSurroundings();
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var self = this;
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var messageDiv = this._messageDiv;
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self._messageDiv = null;
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var _done = function() {
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surr.removeDOMNode(messageDiv[0]);
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// Update the surroundings manager
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if (!_noUpdate)
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{
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surr.update();
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}
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};
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// Either fade out or directly call the function which removes the div
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if (_fade)
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{
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messageDiv.fadeOut("fast", _done);
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}
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else
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{
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_done();
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}
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}
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},
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detachFromDOM: function() {
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// Detach this node from the tooltip node
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if (this._tooltipElem)
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{
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this.egw().tooltipUnbind(this._tooltipElem);
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this._tooltipElem = null;
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}
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// Remove the binding to the click handler
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if (this.node)
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{
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$j(this.node).unbind("click.et2_baseWidget");
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}
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this._super.apply(this, arguments);
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},
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attachToDOM: function() {
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this._super.apply(this, arguments);
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// Add the binding for the click handler
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if (this.node)
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{
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$j(this.node).bind("click.et2_baseWidget", this, function(e) {
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return e.data.click.call(e.data, this);
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});
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}
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// Update the statustext
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this.set_statustext(this.statustext);
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},
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setDOMNode: function(_node) {
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if (_node != this.node)
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{
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// Deatch the old node from the DOM
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this.detachFromDOM();
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// Set the new DOM-Node
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this.node = _node;
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// Attatch the DOM-Node to the tree
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return this.attachToDOM();
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}
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return false;
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},
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getDOMNode: function() {
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return this.node;
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},
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getTooltipElement: function() {
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return this.getDOMNode(this);
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},
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/**
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* Click handler calling custom handler set via onclick attribute to this.onclick
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*
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* @param _ev
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* @returns
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*/
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click: function(_ev) {
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if(typeof this.onclick == 'function')
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{
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// Make sure function gets a reference to the widget, splice it in as 2. argument if not
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var args = Array.prototype.slice.call(arguments);
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if(args.indexOf(this) == -1) args.splice(1, 0, this);
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return this.onclick.apply(this, args);
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}
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return true;
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},
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set_statustext: function(_value) {
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// Don't execute the code below, if no tooltip will be attached/detached
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if (_value == "" && !this._tooltipElem)
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{
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return;
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}
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this.statustext = _value;
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//Get the domnode the tooltip should be attached to
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var elem = $j(this.getTooltipElement());
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if (elem)
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{
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//If a tooltip is already attached to the element, remove it first
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if (this._tooltipElem)
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{
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this.egw().tooltipUnbind(this._tooltipElem);
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this._tooltipElem = null;
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}
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if (_value && _value != '')
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{
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this.egw().tooltipBind(elem, _value);
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this._tooltipElem = elem;
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}
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}
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},
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set_align: function(_value) {
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this.align = _value;
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},
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get_align: function(_value) {
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return this.align;
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}
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});
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/**
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* Simple container object
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*
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* @augments et2_baseWidget
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*/
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var et2_container = et2_baseWidget.extend(
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{
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/**
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* Constructor
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*
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* @memberOf et2_container
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*/
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init: function() {
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this._super.apply(this, arguments);
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this.setDOMNode(document.createElement("div"));
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},
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/**
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* The destroy function destroys all children of the widget, removes itself
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* from the parents children list.
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* Overriden to not try to remove self from parent, as that's not possible.
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*/
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destroy: function() {
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// Call the destructor of all children
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for (var i = this._children.length - 1; i >= 0; i--)
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{
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this._children[i].free();
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}
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// Free the array managers if they belong to this widget
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for (var key in this._mgrs)
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{
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if (this._mgrs[key] && this._mgrs[key].owner == this)
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{
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this._mgrs[key].free();
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}
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}
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}
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});
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/**
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* Container object for not-yet supported widgets
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*
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* @augments et2_baseWidget
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*/
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var et2_placeholder = et2_baseWidget.extend([et2_IDetachedDOM],
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{
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/**
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* Constructor
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*
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* @memberOf et2_placeholder
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*/
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init: function() {
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this._super.apply(this, arguments);
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// The attrNodes object will hold the DOM nodes which represent the
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// values of this object
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this.attrNodes = {};
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this.visible = false;
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// Create the placeholder div
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this.placeDiv = $j(document.createElement("span"))
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.addClass("et2_placeholder");
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var headerNode = $j(document.createElement("span"))
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.text(this._type || "")
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.addClass("et2_caption")
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.appendTo(this.placeDiv);
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var attrsCntr = $j(document.createElement("span"))
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.appendTo(this.placeDiv)
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.hide();
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headerNode.click(this, function(e) {
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e.data.visible = !e.data.visible;
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if (e.data.visible)
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{
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attrsCntr.show();
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}
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else
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{
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attrsCntr.hide();
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}
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});
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for (var key in this.options)
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{
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if (typeof this.options[key] != "undefined")
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{
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if (typeof this.attrNodes[key] == "undefined")
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{
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this.attrNodes[key] = $j(document.createElement("span"))
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.addClass("et2_attr");
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attrsCntr.append(this.attrNodes[key]);
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}
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this.attrNodes[key].text(key + "=" + this.options[key]);
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}
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}
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this.setDOMNode(this.placeDiv[0]);
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},
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getDetachedAttributes: function(_attrs) {
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_attrs.push("value");
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},
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getDetachedNodes: function() {
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return [this.placeDiv[0]];
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},
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setDetachedAttributes: function(_nodes, _values) {
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this.placeDiv = jQuery(_nodes[0]);
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}
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});
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