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   1  var STAMPPICKER_NAME = "Colourpicker",
   2      STAMPPICKER;
   3  
   4  /**
   5   * Provides an in browser PDF editor.
   6   *
   7   * @module moodle-assignfeedback_editpdf-editor
   8   */
   9  
  10  /**
  11   * This is a drop down list of stamps.
  12   *
  13   * @namespace M.assignfeedback_editpdf
  14   * @class stamppicker
  15   * @constructor
  16   * @extends M.assignfeedback_editpdf.dropdown
  17   */
  18  STAMPPICKER = function(config) {
  19      STAMPPICKER.superclass.constructor.apply(this, [config]);
  20  };
  21  
  22  Y.extend(STAMPPICKER, M.assignfeedback_editpdf.dropdown, {
  23  
  24      /**
  25       * Initialise the menu.
  26       *
  27       * @method initializer
  28       * @return void
  29       */
  30      initializer: function(config) {
  31          var stamplist = Y.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');
  32  
  33          // Build a list of stamped buttons.
  34          Y.each(this.get('stamps'), function(stamp) {
  35              var button, listitem, title;
  36  
  37              title = M.util.get_string('stamp', 'assignfeedback_editpdf');
  38              button = Y.Node.create('<button><img height="16" width="16" alt="' + title + '" src="' + stamp + '"/></button>');
  39              button.setAttribute('data-stamp', stamp);
  40              button.setStyle('backgroundImage', 'none');
  41              listitem = Y.Node.create('<li/>');
  42              listitem.append(button);
  43              stamplist.append(listitem);
  44          }, this);
  45  
  46  
  47          // Set the call back.
  48          stamplist.delegate('click', this.callback_handler, 'button', this);
  49          stamplist.delegate('key', this.callback_handler, 'down:13', 'button', this);
  50  
  51          // Set the accessible header text.
  52          this.set('headerText', M.util.get_string('stamppicker', 'assignfeedback_editpdf'));
  53  
  54          // Set the body content.
  55          this.set('bodyContent', stamplist);
  56  
  57          STAMPPICKER.superclass.initializer.call(this, config);
  58      },
  59      callback_handler: function(e) {
  60          e.preventDefault();
  61          var callback = this.get('callback'),
  62              callbackcontext = this.get('context'),
  63              bind;
  64  
  65          this.hide();
  66  
  67          // Call the callback with the specified context.
  68          bind = Y.bind(callback, callbackcontext, e);
  69  
  70          bind();
  71      }
  72  }, {
  73      NAME: STAMPPICKER_NAME,
  74      ATTRS: {
  75          /**
  76           * The list of stamps this stamp picker supports.
  77           *
  78           * @attribute stamps
  79           * @type String[] - the stamp filenames.
  80           * @default {}
  81           */
  82          stamps: {
  83              value: []
  84          },
  85  
  86          /**
  87           * The function called when a new stamp is chosen.
  88           *
  89           * @attribute callback
  90           * @type function
  91           * @default null
  92           */
  93          callback: {
  94              value: null
  95          },
  96  
  97          /**
  98           * The context passed to the callback when a stamp is chosen.
  99           *
 100           * @attribute context
 101           * @type Y.Node
 102           * @default null
 103           */
 104          context: {
 105              value: null
 106          }
 107      }
 108  });
 109  
 110  M.assignfeedback_editpdf = M.assignfeedback_editpdf || {};
 111  M.assignfeedback_editpdf.stamppicker = STAMPPICKER;