var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

import { addClass } from './../../helpers/dom/element';

/**
 * Comment editor for the Comments plugin.
 *
 * @class CommentEditor
 * @plugin Comments
 */

var CommentEditor = function () {
  _createClass(CommentEditor, null, [{
    key: 'CLASS_EDITOR_CONTAINER',
    get: function get() {
      return 'htCommentsContainer';
    }
  }, {
    key: 'CLASS_EDITOR',
    get: function get() {
      return 'htComments';
    }
  }, {
    key: 'CLASS_INPUT',
    get: function get() {
      return 'htCommentTextArea';
    }
  }, {
    key: 'CLASS_CELL',
    get: function get() {
      return 'htCommentCell';
    }
  }]);

  function CommentEditor() {
    _classCallCheck(this, CommentEditor);

    this.editor = this.createEditor();
    this.editorStyle = this.editor.style;

    this.hidden = true;

    this.hide();
  }

  /**
   * Set position of the comments editor according to the  provided x and y coordinates.
   *
   * @param {Number} x X position (in pixels).
   * @param {Number} y Y position (in pixels).
   */


  _createClass(CommentEditor, [{
    key: 'setPosition',
    value: function setPosition(x, y) {
      this.editorStyle.left = x + 'px';
      this.editorStyle.top = y + 'px';
    }

    /**
     * Set the editor size according to the provided arguments.
     *
     * @param {Number} width Width in pixels.
     * @param {Number} height Height in pixels.
     */

  }, {
    key: 'setSize',
    value: function setSize(width, height) {
      if (width && height) {
        var input = this.getInputElement();

        input.style.width = width + 'px';
        input.style.height = height + 'px';
      }
    }

    /**
     * Reset the editor size to its initial state.
     */

  }, {
    key: 'resetSize',
    value: function resetSize() {
      var input = this.getInputElement();

      input.style.width = '';
      input.style.height = '';
    }

    /**
     * Set the read-only state for the comments editor.
     *
     * @param {Boolean} state The new read only state.
     */

  }, {
    key: 'setReadOnlyState',
    value: function setReadOnlyState(state) {
      var input = this.getInputElement();

      input.readOnly = state;
    }

    /**
     * Show the comments editor.
     */

  }, {
    key: 'show',
    value: function show() {
      this.editorStyle.display = 'block';
      this.hidden = false;
    }

    /**
     * Hide the comments editor.
     */

  }, {
    key: 'hide',
    value: function hide() {
      this.editorStyle.display = 'none';
      this.hidden = true;
    }

    /**
     * Checks if the editor is visible.
     *
     * @returns {Boolean}
     */

  }, {
    key: 'isVisible',
    value: function isVisible() {
      return this.editorStyle.display === 'block';
    }

    /**
     * Set the comment value.
     *
     * @param {String} [value] The value to use.
     */

  }, {
    key: 'setValue',
    value: function setValue() {
      var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';

      value = value || '';
      this.getInputElement().value = value;
    }

    /**
     * Get the comment value.
     *
     * @returns {String}
     */

  }, {
    key: 'getValue',
    value: function getValue() {
      return this.getInputElement().value;
    }

    /**
     * Checks if the comment input element is focused.
     *
     * @returns {Boolean}
     */

  }, {
    key: 'isFocused',
    value: function isFocused() {
      return document.activeElement === this.getInputElement();
    }

    /**
     * Focus the comments input element.
     */

  }, {
    key: 'focus',
    value: function focus() {
      this.getInputElement().focus();
    }

    /**
     * Create the `textarea` to be used as a comments editor.
     *
     * @returns {HTMLElement}
     */

  }, {
    key: 'createEditor',
    value: function createEditor() {
      var container = document.querySelector('.' + CommentEditor.CLASS_EDITOR_CONTAINER);
      var editor = void 0;
      var textArea = void 0;

      if (!container) {
        container = document.createElement('div');
        addClass(container, CommentEditor.CLASS_EDITOR_CONTAINER);
        document.body.appendChild(container);
      }
      editor = document.createElement('div');
      addClass(editor, CommentEditor.CLASS_EDITOR);

      textArea = document.createElement('textarea');
      addClass(textArea, CommentEditor.CLASS_INPUT);

      editor.appendChild(textArea);
      container.appendChild(editor);

      return editor;
    }

    /**
     * Get the input element.
     *
     * @returns {HTMLElement}
     */

  }, {
    key: 'getInputElement',
    value: function getInputElement() {
      return this.editor.querySelector('.' + CommentEditor.CLASS_INPUT);
    }

    /**
     * Destroy the comments editor.
     */

  }, {
    key: 'destroy',
    value: function destroy() {
      this.editor.parentNode.removeChild(this.editor);
      this.editor = null;
      this.editorStyle = null;
    }
  }]);

  return CommentEditor;
}();

export default CommentEditor;