/*
 *    Copyright [2015] [wisemapping]
 *
 *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
 *   It is basically the Apache License, Version 2.0 (the "License") plus the
 *   "powered by wisemapping" text requirement on every single page;
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the license at
 *
 *       http://www.wisemapping.org/license
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
const ToolbarItem = require('./ToolbarItem').default;
const FloatingTip = require('./FloatingTip').default;

const ToolbarPaneItem = new Class({
  Extends: ToolbarItem,
  initialize(buttonId, model) {
    $assert(buttonId, 'buttonId can not be null');
    $assert(model, 'model can not be null');
    this._model = model;
    const me = this;
    const fn = function () {
      // Is the panel being displayed ?
      me.isVisible() ? me.hide() : me.show();
    };
    this.parent(buttonId, fn, { topicAction: true, relAction: false });
    this._panelElem = this._init();
    this._visible = false;
  },

  _init() {
    // Load the context of the panel ...
    const panelElem = this.buildPanel();
    panelElem.css('cursor', 'default');
    const buttonElem = this.getButtonElem();

    const me = this;
    this._tip = new FloatingTip(buttonElem, {
      html: true,
      placement: 'bottom',
      content() {
        return me._updateSelectedItem();
      },
      className: 'toolbarPaneTip',
      trigger: 'manual',
      template:
                '<div class="popover popoverGray" role="tooltip"><div class="arrow arrowGray"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>',
    });

    this._tip.addEvent('hide', () => {
      me._visible = false;
    });

    this._tip.addEvent('show', () => {
      me._visible = true;
    });

    return panelElem;
  },

  getModel() {
    return this._model;
  },

  getPanelElem: function () {
    return this._panelElem;
  }.protect(),

  show() {
    if (!this.isVisible()) {
      this.parent();
      this._tip.show();
      this.getButtonElem().className = 'buttonExtActive';
    }
  },

  hide() {
    if (this.isVisible()) {
      this.parent();
      this._tip.hide();
      this.getButtonElem().className = 'buttonExtOn';
    }
  },

  isVisible() {
    return this._visible;
  },

  disable() {
    this.hide();
    const elem = this.getButtonElem();
    if (this._enable) {
      elem.unbind('click', this._fn);
      elem.removeClass('buttonExtOn');

      // Todo: Hack...
      elem.removeClass('buttonOn');

      elem.addClass('buttonExtOff');
      this._enable = false;
    }
  },

  enable() {
    const elem = this.getButtonElem();
    if (!this._enable) {
      elem.bind('click', this._fn);
      elem.removeClass('buttonExtOff');
      elem.addClass('buttonExtOn');
      this._enable = true;
    }
  },

  buildPanel: function () {
    throw 'Method must be implemented';
  }.protect(),
});

export default ToolbarPaneItem;