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/* Icinga Web 2 | (c) 2017 Icinga Development Team | GPLv2+ */
/**
* Icinga.Behavior.Detach
*
* Detaches DOM elements before an auto-refresh and attaches them back afterwards
*/
(function(Icinga, $) {
'use strict';
function Detach(icinga) {
Icinga.EventListener.call(this, icinga);
}
Detach.prototype = new Icinga.EventListener();
/**
* Mutates the HTML before it is placed in the DOM after a reload
*
* @param content {string} The content to be rendered
* @param $container {jQuery} The target container
* @param action {string} The URL that caused the reload
* @param autorefresh {bool} Whether the rendering is due to an auto-refresh
*
* @return {string|null} The content to be rendered or null, when nothing should be changed
*/
Detach.prototype.renderHook = function(content, $container, action, autorefresh) {
// Exit early
if (! autorefresh) {
return content;
} else {
var containerId = $container.attr('id');
if (containerId === 'menu' || containerId === 'application-state') {
return content;
}
}
if (! $container.find('.detach:first').length) {
return content;
}
var $content = $('<div></div>').append(content);
var icinga = this.icinga;
$content.find('.detach').each(function() {
// Selector only works w/ IDs because it was initially built to work w/ absolute paths only
var $detachTarget = $(this);
var detachTargetId = $detachTarget.attr('id');
if (detachTargetId === undefined) {
return;
}
var selector = '#' + detachTargetId + ':first';
var $detachSource = $container.find(selector);
if ($detachSource.length) {
icinga.logger.debug('Detaching ' + selector);
$detachSource.detach();
$detachTarget.replaceWith($detachSource);
$detachTarget.remove();
}
});
return $content.html();
};
Icinga.Behaviors = Icinga.Behaviors || {};
Icinga.Behaviors.Detach = Detach;
}) (Icinga, jQuery);
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