src/editor/modules/documentCanvas/documentCanvas.js

   1 // Module that implements main WYSIWIG edit area
   2
   3 define([
   4 'libs/underscore',
   5 './canvas/canvas',
   6 './commands',
   7 'libs/text!./template.html'], function(_, canvas3, commands, template) {
   8
   9 'use strict';
  10
  11 return function(sandbox) {
  12
  13     var canvas = canvas3.fromXMLDocument(null, sandbox.publish);
  14     var canvasWrapper = $(template);
  15     var shownAlready = false;
  16     var scrollbarPosition = 0,
  17         cursorPosition;
  18
  19     canvasWrapper.onShow = function() {
  20         if(!shownAlready) {
  21             shownAlready = true;
  22             canvas.setCurrentElement(canvas.doc().getVerticallyFirstTextElement());
  23         } else {
  24             canvas.setCursorPosition(cursorPosition);
  25             this.find('#rng-module-documentCanvas-contentWrapper').scrollTop(scrollbarPosition);
  26         }
  27     };
  28
  29     canvasWrapper.onHide = function() {
  30        scrollbarPosition = this.find('#rng-module-documentCanvas-contentWrapper').scrollTop();
  31        cursorPosition = canvas.getCursor().getPosition();
  32     };
  33
  34     /* public api */
  35     return {
  36         start: function() { sandbox.publish('ready'); },
  37         getView: function() {
  38             return canvasWrapper;
  39         },
  40         setDocument: function(wlxmlDocument) {
  41             canvas.loadWlxmlDocument(wlxmlDocument);
  42             canvasWrapper.find('#rng-module-documentCanvas-content').empty().append(canvas.view());
  43             sandbox.publish('documentSet');
  44         },
  45         getDocument: function() {
  46             return canvas.toXML();
  47         },
  48         modifyCurrentNodeElement: function(attr, value) {
  49             var currentNodeElement = canvas.getCurrentNodeElement();
  50             if(attr === 'class' || attr === 'tag') {
  51                 currentNodeElement['setWlxml'+(attr[0].toUpperCase() + attr.substring(1))](value);
  52             } else {
  53                 currentNodeElement.setWlxmlMetaAttr(attr, value);
  54             }
  55             sandbox.publish('currentNodeElementChanged', currentNodeElement);
  56         },
  57         highlightElement: function(element) {
  58             element.toggleHighlight(true);
  59         },
  60         dimElement: function(element) {
  61             element.toggleHighlight(false);
  62         },
  63         jumpToElement: function(element) {
  64             canvas.setCurrentElement(element);
  65         },
  66         command: function(command, params) {
  67             commands.run(command, params, canvas);
  68             sandbox.publish('contentChanged');
  69         }
  70     };
  71
  72 };
  73
  74 });