var svgEditorExtension_panning = (function () {
  'use strict';

  /*
   * ext-panning.js
   *
   * Licensed under the MIT License
   *
   * Copyright(c) 2013 Luis Aguirre
   *
   */

  /*
    This is a very basic SVG-Edit extension to let tablet/mobile devices pan without problem
  */

  var extPanning = {
    name: 'ext-panning',
    init: function init() {
      var svgEditor = this;
      var svgCanvas = svgEditor.canvas;
      return {
        name: 'Extension Panning',
        svgicons: svgEditor.curConfig.extIconsPath + 'ext-panning.xml',
        buttons: [{
          id: 'ext-panning',
          type: 'mode',
          title: 'Panning',
          events: {
            click: function click() {
              svgCanvas.setMode('ext-panning');
            }
          }
        }],
        mouseDown: function mouseDown() {
          if (svgCanvas.getMode() === 'ext-panning') {
            svgEditor.setPanning(true);
            return { started: true };
          }
        },
        mouseUp: function mouseUp() {
          if (svgCanvas.getMode() === 'ext-panning') {
            svgEditor.setPanning(false);
            return {
              keep: false,
              element: null
            };
          }
        }
      };
    }
  };

  return extPanning;

}());