forked from extern/egroupware
338 lines
6.9 KiB
JavaScript
338 lines
6.9 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Button object
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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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et2_core_interfaces;
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et2_core_baseWidget;
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*/
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/**
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* Class which implements the "button" XET-Tag
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* @augments et2_baseWidget
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*/
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var et2_button = et2_baseWidget.extend([et2_IInput, et2_IDetachedDOM],
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{
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attributes: {
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"label": {
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"name": "caption",
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"type": "string",
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"description": "Label of the button",
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"translate": true
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},
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"image": {
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"name": "Icon",
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"type": "string",
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"description": "Use an icon instead of label (when available)"
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},
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"ro_image": {
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"name": "Read-only Icon",
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"type": "string",
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"description": "Use this icon instead of hiding for read-only"
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},
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"onclick": {
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"description": "JS code which gets executed when the button is clicked"
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},
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"accesskey": {
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"name": "Access Key",
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"type": "string",
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"default": et2_no_init,
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"description": "Alt + <key> activates widget"
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},
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"tabindex": {
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"name": "Tab index",
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"type": "integer",
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"default": et2_no_init,
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"description": "Specifies the tab order of a widget when the 'tab' button is used for navigating."
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},
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background_image: {
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name: "Add image in front of text",
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type: "boolean",
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description: "Adds image in front of text instead of just using an image with text as tooltip",
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default: false
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},
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// No such thing as a required button
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"needed": {
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"ignore": true,
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}
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},
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legacyOptions: ["image", "ro_image"],
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/**
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* Constructor
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*
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* @memberOf et2_button
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*/
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init: function() {
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this._super.apply(this, arguments);
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this.label = "";
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this.clicked = false;
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this.btn = null;
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this.image = null;
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if (!this.options.background_image && (this.options.image || this.options.ro_image))
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{
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this.image = jQuery(document.createElement("img"))
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.addClass("et2_button et2_button_icon");
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this.setDOMNode(this.image[0]);
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return;
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}
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if (!this.options.readonly)
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{
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this.btn = $j(document.createElement("button"))
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.addClass("et2_button et2_button_text");
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if(this.options.background_image)
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{
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this.btn.addClass('et2_button_with_image');
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}
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this.setDOMNode(this.btn[0]);
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}
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},
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set_accesskey: function(key) {
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jQuery(this.node).attr("accesskey", key);
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},
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/**
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* Set image and update current image
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*
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* @param _image
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*/
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set_image: function(_image) {
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this.options.image = _image;
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this.update_image();
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},
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/**
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* Set readonly image and update current image
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*
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* @param _image
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*/
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set_ro_image: function(_image) {
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this.options.ro_image = _image;
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this.update_image();
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},
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/**
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* Set current image (dont update options.image)
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*
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* @param _image
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*/
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update_image: function(_image) {
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if(!this.isInTree() || !this.options.background_image && this.image == null) return;
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if (typeof _image == 'undefined')
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_image = this.options.readonly ? this.options.ro_image : this.options.image;
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// Silently blank for percentages instead of warning about missing image - use a progress widget
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if(_image.match(/^[0-9]+\%$/))
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{
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_image = "";
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//this.egw().debug("warn", "Use a progress widget instead of percentage images", this);
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}
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var found_image = false;
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if(_image != "")
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{
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var src = this.egw().image(_image);
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if(src)
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{
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found_image = true;
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}
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else if (_image[0] == '/' || _image.substr(0,4) == 'http')
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{
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src= image;
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found_image = true;
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}
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if(this.image != null)
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{
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this.image.attr("src", src);
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}
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else if (this.options.background_image)
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{
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this.btn.css("background-image","url("+src+")");
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}
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}
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if(!found_image)
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{
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this.set_label(this.label);
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if(this.btn)
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{
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this.btn.css("background-image","");
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}
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}
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},
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/**
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* Set options.readonly and update image
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*
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* @param boolean _ro
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*/
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set_readonly: function(_ro)
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{
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if (_ro != this.options.readonly)
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{
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this.options.readonly = _ro;
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if (this.image)
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{
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this.update_image();
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}
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}
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},
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getDOMNode: function() {
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return this.btn ? this.btn[0] : (this.image ? this.image[0] : null);
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},
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/**
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* Overwritten to maintain an internal clicked attribute
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*
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* @param _ev
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* @returns {Boolean}
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*/
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click: function(_ev) {
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this.clicked = true;
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if (!this._super.apply(this, arguments))
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{
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this.clicked = false;
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return false;
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}
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// Submit the form
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if (this._type != "buttononly")
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{
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this.getInstanceManager().submit(this); //TODO: this only needs to be passed if it's in a datagrid
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}
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this.clicked = false;
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return true;
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},
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set_label: function(_value) {
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if (this.btn)
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{
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this.label = _value;
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this.btn.text(_value);
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}
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if(this.image)
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{
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this.image.attr("alt", _value);
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// Don't set title if there's a tooltip, browser may show both
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if(!this.options.statustext)
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{
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this.image.attr("title",_value);
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}
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}
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},
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/**
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* Set tab index
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*/
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set_tabindex: function(index) {
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jQuery(this.btn).attr("tabindex", index);
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},
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/**
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* Implementation of the et2_IInput interface
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*/
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/**
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* Always return false as a button is never dirty
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*/
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isDirty: function() {
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return false;
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},
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resetDirty: function() {
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},
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getValue: function() {
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if (this.clicked)
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{
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return true;
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}
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// If "null" is returned, the result is not added to the submitted
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// array.
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return null;
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},
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isValid: function() {
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return true;
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},
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/**
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* et2_IDetachedDOM
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*/
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getDetachedAttributes: function(_attrs)
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{
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_attrs.push("label", "value", "class", "image", "ro_image","onclick" );
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},
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getDetachedNodes: function()
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{
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return [
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this.btn != null ? this.btn[0] : null,
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this.image != null ? this.image[0] : null
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];
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},
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setDetachedAttributes: function(_nodes, _values)
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{
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// Datagrid puts in the row for null
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this.btn = _nodes[0].nodeName[0] != '#' ? jQuery(_nodes[0]) : null;
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this.image = jQuery(_nodes[1]);
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if (typeof _values["id"] != "undefined")
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{
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this.set_id(_values["id"]);
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}
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if (typeof _values["label"] != "undefined")
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{
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this.set_label(_values["label"]);
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}
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if (typeof _values["value"] != "undefined")
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{
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}
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if (typeof _values["image"] != "undefined")
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{
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this.set_image(_values["image"]);
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}
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if (typeof _values["ro_image"] != "undefined")
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{
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this.set_ro_image(_values["ro_image"]);
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}
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if (typeof _values["class"] != "undefined")
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{
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this.set_class(_values["class"]);
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}
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if (typeof _values["onclick"] != "undefined")
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{
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this.options.onclick = _values["onclick"];
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}
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var type = this._type;
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var attrs = jQuery.extend(_values, this.options);
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var parent = this._parent;
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jQuery(this.getDOMNode()).bind("click.et2_baseWidget", this, function(e) {
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var widget = et2_createWidget(type,attrs,parent);
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e.data = widget;
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e.data.set_id(_values["id"]);
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return e.data.click.call(e.data,e);
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});
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}
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});
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et2_register_widget(et2_button, ["button", "buttononly"]);
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