'use strict';

/* --------------------------------------------------------------
 more_text.js 2016-03-09
 Gambio GmbH
 http://www.gambio.de
 Copyright (c) 2015 Gambio GmbH
 Released under the GNU General Public License (Version 2)
 [http://www.gnu.org/licenses/gpl-2.0.html]
 --------------------------------------------------------------
 */

/**
 * Enables the 'more' or '...' buttons in long text fields.
 */
gambio.widgets.module('more_text', [gambio.source + '/libs/events'], function (data) {

    'use strict';

    // ########## VARIABLE INITIALIZATION ##########

    var $this = $(this),
        transition = {
        classClose: 'hide',
        open: true,
        calcHeight: true
    },
        defaults = {},
        options = $.extend(true, {}, defaults, data),
        module = {};

    // ########## EVENT HANDLER ##########

    /**
     * Event handler for the click event on the '...'-more
     * button. It starts the transition to open the full
     * text
     * @param       {object}    e       jQuery event object
     * @private
     */
    var _openText = function _openText(e) {
        e.preventDefault();

        var $self = $(this),
            $container = $self.closest('.more-text-container'),
            $fullText = $container.children('.more-text-full');

        $self.hide();
        $fullText.trigger(jse.libs.theme.events.TRANSITION(), transition);
    };

    // ########## INITIALIZATION ##########

    /**
     * Init function of the widget
     * @constructor
     */
    module.init = function (done) {

        $this.on('click', '.more-text-container .more-text-link', _openText);

        done();
    };

    // Return data to widget engine
    return module;
});
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