jrtechs-sugarizer-lite/activities/LabyrinthJS.activity/lib/fontpalette.js

/* Text palette to enter text and to choose font */


define([
  'sugar-web/graphics/palette',
  'mustache'
], function(palette, mustache) {

  var textpalette = {};

  /* We setup the palette with fonts */
  textpalette.TextPalette = function(invoker, primaryText) {
    palette.Palette.call(this, invoker, primaryText);
	this.getPalette().id = "fontpalette";
    this.fontChangeEvent = document.createEvent('CustomEvent');
    this.fontChangeEvent.initCustomEvent('fontChange', true, true, {
	  'family': 'Arial'
    });
    this.template = '<center><table><tbody>' + '{{#rows}}' + '<tr>' + '{{#.}}' + '<td>' + '<button lineHeight="{{lineHeight}}" title="{{fontFamily}}" style="height:55px; width:55px; background-size:40px !important;  background: #fff url({{ icon }}) no-repeat center; "></button>' + '</td>' + '{{/.}}' + '</tr>' + '{{/rows}}' + '</tbody></table></center>' + '<br/>';
    var rows = [
      [{
        icon: 'icons/font-arial.svg',
        lineHeight: '0.7',
        fontFamily: 'Arial'
      }, {
        icon: 'icons/font-comic-sans.svg',
        lineHeight: '0.8',
        fontFamily: 'Comic Sans MS'
      }, {
        icon: 'icons/font-verdana.svg',
        lineHeight: '0.8',
        fontFamily: 'Verdana'
      }]
    ];
    var textsElem = document.createElement('div');
    textsElem.innerHTML = mustache.render(this.template, {
      rows: rows
    });
    this.setContent([textsElem]);
    var buttons = textsElem.querySelectorAll('button');
    var that = this;

    function popDownOnButtonClick(event) {
      for (var i = 0; i < buttons.length; i++) {
        buttons[i].style.border = '0px solid #000';
      }
      event.target.style.border = '1px solid #f00';
      that.popDown();
    }
    for (var i = 0; i < buttons.length; i++) {
      buttons[i].addEventListener('click', function(e) {
        for (var i = 0; i < buttons.length; i++) {
          buttons[i].style.border = '0px solid #000';
        }
        e.target.style.border = '1px solid #f00';
        that.fontChangeEvent.detail.family = e.target.title;
        that.getPalette().dispatchEvent(that.fontChangeEvent);
		that.popDown();
	  });
    }
    popDownOnButtonClick({
      target: buttons[0]
    });
  };

  var setFont = function (font) {
    var buttons = this.getPalette().querySelectorAll('button');
    for (var i = 0; i < buttons.length; i++) {
	  if (font == buttons[i].title)
        buttons[i].style.border = '1px solid #f00';
	  else
        buttons[i].style.border = '0px solid #000';
    }
  };
	
  var addEventListener = function(type, listener, useCapture) {
    return this.getPalette().addEventListener(type, listener, useCapture);
  };

  textpalette.TextPalette.prototype = Object.create(palette.Palette.prototype, {
    setFont: {
      value: setFont,
      enumerable: true,
      configurable: true,
      writable: true
    },
    addEventListener: {
      value: addEventListener,
      enumerable: true,
      configurable: true,
      writable: true
    }
  });
  return textpalette;
});