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587c4fd8fd
instead of checking widget to be instance of valueWidget (which would create a circular dependency) we check for the interface/methods of valueWidget
414 lines
14 KiB
JavaScript
414 lines
14 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 https://www.egroupware.org
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* @author Andreas Stöckel
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*/
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import { et2_DOMWidget } from './et2_core_DOMWidget';
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import { ClassWithAttributes } from "./et2_core_inheritance";
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import { et2_register_widget } from "./et2_core_widget";
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import { et2_no_init } from "./et2_core_common";
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import { egwIsMobile } from "../egw_action/egw_action_common.js";
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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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export class et2_baseWidget extends et2_DOMWidget {
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/**
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* Constructor
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*/
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constructor(_parent, _attrs, _child) {
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// Call the inherited constructor
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super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_baseWidget._attributes, _child || {}));
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this.align = 'left';
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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() {
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super.destroy();
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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(_text, _type, _floating, _prepend) {
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// Preset the parameters
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if (typeof _type == "undefined") {
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_type = "hint";
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}
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if (typeof _floating == "undefined") {
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_floating = true;
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}
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if (typeof _prepend == "undefined") {
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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 = jQuery(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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surr.prependDOMNode(this._messageDiv[0]);
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}
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else {
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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(_fade, _noUpdate) {
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if (typeof _fade == "undefined") {
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_fade = true;
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}
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if (typeof _noUpdate == "undefined") {
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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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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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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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messageDiv.fadeOut("fast", _done);
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}
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else {
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_done();
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}
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}
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}
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detachFromDOM() {
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// Detach this node from the tooltip node
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if (this._tooltipElem) {
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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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jQuery(this.node).unbind("click.et2_baseWidget");
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}
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return super.detachFromDOM();
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}
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attachToDOM() {
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let ret = super.attachToDOM();
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// Add the binding for the click handler
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if (this.node) {
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jQuery(this.node).bind("click.et2_baseWidget", this, function (e) {
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return e.data.click.call(e.data, e, this);
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});
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if (typeof this.onclick == 'function')
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jQuery(this.node).addClass('et2_clickable');
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}
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// Update the statustext
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this.set_statustext(this.statustext);
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return ret;
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}
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setDOMNode(_node) {
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if (_node != this.node) {
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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(_sender) {
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return this.node;
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}
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getTooltipElement() {
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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(_ev) {
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if (typeof this.onclick == 'function') {
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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)
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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(_value) {
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// Tooltip should not be shown in mobile view
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if (egwIsMobile())
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return;
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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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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 = jQuery(this.getTooltipElement());
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if (elem) {
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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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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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this.egw().tooltipBind(elem, _value, this.options.statustext_html);
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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(_value) {
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this.align = _value;
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}
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get_align() {
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return this.align;
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}
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}
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et2_baseWidget._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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"statustext_html": {
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"name": "Tooltip is html",
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"type": "boolean",
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"description": "Flag to allow html content in tooltip",
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"default": false
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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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"default": et2_no_init,
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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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* Simple container object
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*
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* There is no tag to put this in a template. By convention we only make one of these per etemplate,
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* and it's the top level object.
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*/
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export class et2_container extends et2_baseWidget {
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/**
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* Constructor
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*/
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constructor(_parent, _attrs, _child) {
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// Call the inherited constructor
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super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_container._attributes, _child || {}));
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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() {
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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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this._children[i].destroy();
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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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if (this._mgrs[key] && this._mgrs[key].owner == this) {
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this._mgrs[key].destroy();
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}
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}
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}
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/**
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* Searches for a DOM widget by id in the tree, descending into the child levels.
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*
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* @param _id is the id you're searching for
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*/
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getDOMWidgetById(_id) {
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let widget = this.getWidgetById(_id);
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if (widget && widget.instanceOf(et2_DOMWidget)) {
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return widget;
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}
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return null;
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}
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/**
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* Searches for a Value widget by id in the tree, descending into the child levels.
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*
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* @param _id is the id you're searching for
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*/
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getInputWidgetById(_id) {
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let widget = this.getWidgetById(_id);
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// instead of checking widget to be instance of valueWidget (which would create a circular dependency)
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// we check for the interface/methods of valueWidget
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if (widget && typeof widget.get_value === 'function' && typeof widget.set_value === 'function') {
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return widget;
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}
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return null;
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}
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/**
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* Set the value for a child widget, specified by the given ID
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*
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* @param id string The ID you're searching for
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* @param value Value for the widget
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*
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* @return Returns the result of widget's set_value(), though this is usually undefined
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*
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* @throws Error If the widget cannot be found or it does not have a set_value() function
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*/
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setValueById(id, value) {
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let widget = this.getWidgetById(id);
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if (!widget)
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throw 'Could not find widget ' + id;
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// Don't care about what class it is, just that it has the function
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// @ts-ignore
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if (typeof widget.set_value !== 'function') {
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throw 'Widget ' + id + ' does not have a set_value() function';
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}
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// @ts-ignore
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return widget.set_value(value);
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}
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/**
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* Get the current value of a child widget, specified by the given ID
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*
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* This is the current value of the widget, which may be different from the original value given in content
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*
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* @param id string The ID you're searching for
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* @throws Error If the widget cannot be found or it does not have a set_value() function
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*/
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getValueById(id) {
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let widget = this.getWidgetById(id);
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if (!widget)
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throw 'Could not find widget ' + id;
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// Don't care about what class it is, just that it has the function
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// @ts-ignore
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if (typeof widget.get_value !== 'function') {
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throw 'Widget ' + id + ' does not have a get_value() function';
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}
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// @ts-ignore
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return widget.get_value();
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}
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/**
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* Set the value for a child widget, specified by the given ID
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*
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* @param id string The ID you're searching for
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* @throws Error If the widget cannot be found or it does not have a set_value() function
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*/
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setDisabledById(id, value) {
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let widget = this.getWidgetById(id);
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if (!widget)
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throw 'Could not find widget ' + id;
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// Don't care about what class it is, just that it has the function
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// @ts-ignore
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if (typeof widget.set_disabled !== 'function') {
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throw 'Widget ' + id + ' does not have a set_disabled() function';
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}
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// @ts-ignore
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return widget.set_disabled(value);
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}
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}
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// Register widget for attributes, but not for any xml tags
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et2_register_widget(et2_container, []);
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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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export class et2_placeholder extends et2_baseWidget {
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/**
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* Constructor
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*/
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constructor(_parent, _attrs, _child) {
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// Call the inherited constructor
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super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_placeholder._attributes, _child || {}));
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this.visible = false;
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this.attrNodes = {};
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// Create the placeholder div
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this.placeDiv = jQuery(document.createElement("span"))
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.addClass("et2_placeholder");
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var headerNode = jQuery(document.createElement("span"))
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.text(this.getType() || "")
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.addClass("et2_caption")
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.appendTo(this.placeDiv);
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var attrsCntr = jQuery(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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attrsCntr.show();
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}
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else {
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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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if (typeof this.options[key] != "undefined") {
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if (typeof this.attrNodes[key] == "undefined") {
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this.attrNodes[key] = jQuery(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(_attrs) {
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_attrs.push("value");
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}
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getDetachedNodes() {
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return [this.placeDiv[0]];
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}
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setDetachedAttributes(_nodes, _values) {
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this.placeDiv = jQuery(_nodes[0]);
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}
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}
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// Register widget, but no tags
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et2_register_widget(et2_placeholder, ['placeholder', 'placeholder_ro']);
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//# sourceMappingURL=et2_core_baseWidget.js.map
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