editor: show comment tip next to blocks containing comments

[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / canvas.js

diff --git a/src/editor/modules/documentCanvas/canvas/canvas.js b/src/editor/modules/documentCanvas/canvas/canvas.js
index 96e3bea..f7edfa5 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.js
@@ -6,11 +6,14 @@ define([
 'modules/documentCanvas/canvas/documentElement',
 'modules/documentCanvas/canvas/keyboard',
 'modules/documentCanvas/canvas/utils',
 'modules/documentCanvas/canvas/documentElement',
 'modules/documentCanvas/canvas/keyboard',
 'modules/documentCanvas/canvas/utils',

-'modules/documentCanvas/canvas/wlxmlListener'
-], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener) {
+'modules/documentCanvas/canvas/wlxmlListener',
+'modules/documentCanvas/canvas/elementsRegister',
+'modules/documentCanvas/canvas/genericElement',
+'modules/documentCanvas/canvas/nullElement',
+], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement) {

     
 'use strict';
     
 'use strict';

-/* global document:false, window:false, Node:false */
+/* global document:false, window:false, Node:false, gettext */

 
 var logger = logging.getLogger('canvas');
 
 
 var logger = logging.getLogger('canvas');
 


@@ -42,14 +45,33 @@ $.extend(TextHandler.prototype, {
     },
     setText: function(text, node) {
         //this.canvas.wlxmlDocument.transform('setText', {node:node, text: text});
     },
     setText: function(text, node) {
         //this.canvas.wlxmlDocument.transform('setText', {node:node, text: text});

-        node.setText(text);
+        node.document.transaction(function() {
+            node.setText(text);
+        }, {
+            metadata:{
+                description: gettext('Changing text')
+            }
+        });

 
     }
 
 });
 
 
 
     }
 
 });
 
 

-var Canvas = function(wlxmlDocument) {
+var Canvas = function(wlxmlDocument, elements) {
+    this.elementsRegister = new ElementsRegister(documentElement.DocumentNodeElement, nullElement);
+
+    elements = [
+        {tag: 'section', klass: null, prototype: genericElement},
+        {tag: 'div', klass: null, prototype: genericElement},
+        {tag: 'header', klass: null, prototype: genericElement},
+        {tag: 'span', klass: null, prototype: genericElement},
+        {tag: 'aside', klass: null, prototype: genericElement}
+    ].concat(elements || []);
+
+    (elements).forEach(function(elementDesc) {
+        this.elementsRegister.register(elementDesc);
+    }.bind(this));

     this.eventBus = _.extend({}, Backbone.Events);
     this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
     this.wlxmlListener = wlxmlListener.create(this);
     this.eventBus = _.extend({}, Backbone.Events);
     this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
     this.wlxmlListener = wlxmlListener.create(this);


@@ -71,7 +93,12 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     createElement: function(wlxmlNode) {
     },
 
     createElement: function(wlxmlNode) {

-        var Factory = wlxmlNode.nodeType === Node.TEXT_NODE ? documentElement.DocumentTextElement : documentElement.DocumentNodeElement;
+        var Factory;
+        if(wlxmlNode.nodeType === Node.TEXT_NODE) {
+            Factory = documentElement.DocumentTextElement;
+        } else {
+            Factory = this.elementsRegister.getElement({tag: wlxmlNode.getTagName(), klass: wlxmlNode.getClass()});
+        }

         return new Factory(wlxmlNode, this);
     },
 
         return new Factory(wlxmlNode, this);
     },
 


@@ -98,7 +125,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
     reloadRoot: function() {
         this.rootElement = this.createElement(this.wlxmlDocument.root);
         this.wrapper.empty();
     reloadRoot: function() {
         this.rootElement = this.createElement(this.wlxmlDocument.root);
         this.wrapper.empty();

-        this.wrapper.append(this.rootElement.dom());
+        this.wrapper.append(this.rootElement.dom);

     },
 
     setupEventHandling: function() {
     },
 
     setupEventHandling: function() {


@@ -182,19 +209,12 @@ $.extend(Canvas.prototype, Backbone.Events, {
         observer.observe(this.wrapper[0], config);
 
 
         observer.observe(this.wrapper[0], config);
 
 

-        this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', function(e) {
-            var el = canvas.getDocumentElement(e.currentTarget);
-            if(!el) {
-                return;
-            }
-            e.stopPropagation();
-            if(el instanceof documentElement.DocumentTextElement) {
-                el = el.parent();
-            }
-            el.toggleLabel(true);
-        });
-        this.wrapper.on('mouseout', '[document-node-element], [document-text-element]', function(e) {
-            var el = canvas.getDocumentElement(e.currentTarget);
+        var hoverHandler = function(e) {
+            var el = canvas.getDocumentElement(e.currentTarget),
+                expose = {
+                    mouseover: true,
+                    mouseout: false
+                };

             if(!el) {
                 return;
             }
             if(!el) {
                 return;
             }


@@ -202,12 +222,15 @@ $.extend(Canvas.prototype, Backbone.Events, {
             if(el instanceof documentElement.DocumentTextElement) {
                 el = el.parent();
             }
             if(el instanceof documentElement.DocumentTextElement) {
                 el = el.parent();
             }

-            el.toggleLabel(false);
-        });
+            el.updateState({exposed:expose[e.type]});
+        };
+
+        this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', hoverHandler);
+        this.wrapper.on('mouseout', '[document-node-element], [document-text-element]', hoverHandler);

 
         this.eventBus.on('elementToggled', function(toggle, element) {
             if(!toggle) {
 
         this.eventBus.on('elementToggled', function(toggle, element) {
             if(!toggle) {

-                canvas.setCurrentElement(element.getPreviousTextElement());
+                canvas.setCurrentElement(canvas.getPreviousTextElement(element));

             }
         });
     },
             }
         });
     },


@@ -221,8 +244,8 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     toggleElementHighlight: function(node, toggle) {
     },
 
     toggleElementHighlight: function(node, toggle) {

-        var element = utils.findCanvasElement(node);
-        element.toggleHighlight(toggle);
+        var element = utils.getElementForNode(node);
+        element.updateState({exposed: toggle});

     },
 
     getCursor: function() {
     },
 
     getCursor: function() {


@@ -231,10 +254,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
 
     
     getCurrentNodeElement: function() {
 
     
     getCurrentNodeElement: function() {

-        var htmlElement = this.wrapper.find('.current-node-element').parent()[0];
-        if(htmlElement) {
-            return this.getDocumentElement(htmlElement);
-        }
+        return this.currentNodeElement;

     },
 
     getCurrentTextElement: function() {
     },
 
     getCurrentTextElement: function() {


@@ -244,18 +264,53 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
     },
 
         }
     },
 

+    getPreviousTextElement: function(relativeToElement, includeInvisible) {
+        return this.getNearestTextElement('above', relativeToElement, includeInvisible);
+    },
+
+    getNextTextElement: function(relativeToElement, includeInvisible) {
+        return this.getNearestTextElement('below', relativeToElement, includeInvisible);
+    },
+
+    getNearestTextElement: function(direction, relativeToElement, includeInvisible) {
+        includeInvisible = includeInvisible !== undefined ? includeInvisible : false;
+        var selector = '[document-text-element]' + (includeInvisible ? '' : ':visible');
+        return this.getDocumentElement(utils.nearestInDocumentOrder(selector, direction, relativeToElement.dom[0]));
+    },
+

     contains: function(element) {
     contains: function(element) {

-        return element.dom().parents().index(this.wrapper) !== -1;
+        return element && element.dom && element.dom.parents().index(this.wrapper) !== -1;

     },
 
     triggerSelectionChanged: function() {
         this.trigger('selectionChanged', this.getSelection());
     },
 
     triggerSelectionChanged: function() {
         this.trigger('selectionChanged', this.getSelection());

+        var s = this.getSelection(),
+            f = s.toDocumentFragment();
+        if(f && f instanceof f.RangeFragment) {
+            if(this.currentNodeElement) {
+                this.currentNodeElement.updateState({active: false});
+                this.currentNodeElement = null;
+            }
+        }

     },
 
     getSelection: function() {
         return new Selection(this);
     },
 
     },
 
     getSelection: function() {
         return new Selection(this);
     },
 

+    select: function(fragment) {
+        if(fragment instanceof this.wlxmlDocument.RangeFragment) {
+            this.setCurrentElement(fragment.endNode, {caretTo: fragment.endOffset});
+        } else if(fragment instanceof this.wlxmlDocument.NodeFragment) {
+            var params = {
+                caretTo: fragment instanceof this.wlxmlDocument.CaretFragment ? fragment.offset : 'start'
+            };
+            this.setCurrentElement(fragment.node, params);
+        } else {
+            logger.debug('Fragment not supported');
+        }
+    },
+

     setCurrentElement: function(element, params) {
         if(!element) {
             logger.debug('Invalid element passed to setCurrentElement: ' + element);
     setCurrentElement: function(element, params) {
         if(!element) {
             logger.debug('Invalid element passed to setCurrentElement: ' + element);


@@ -263,7 +318,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
 
         if(!(element instanceof documentElement.DocumentElement)) {
         }
 
         if(!(element instanceof documentElement.DocumentElement)) {

-            element = utils.findCanvasElement(element);
+            element = utils.getElementForNode(element);

         }
 
         if(!element || !this.contains(element)) {
         }
 
         if(!element || !this.contains(element)) {


@@ -277,21 +332,18 @@ $.extend(Canvas.prototype, Backbone.Events, {
             if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) {
                 return byBrowser;
             }
             if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) {
                 return byBrowser;
             }

-            var children = e.children();
-            for(var i = 0; i < children.length; i++) {
-                if(children[i] instanceof documentElement.DocumentTextElement) {
-                    return children[i];
-                }
-            }
-            return null;
+            return e.getVerticallyFirstTextElement();

         }.bind(this);
         var _markAsCurrent = function(element) {
             if(element instanceof documentElement.DocumentTextElement) {
                 this.wrapper.find('.current-text-element').removeClass('current-text-element');
         }.bind(this);
         var _markAsCurrent = function(element) {
             if(element instanceof documentElement.DocumentTextElement) {
                 this.wrapper.find('.current-text-element').removeClass('current-text-element');

-                element.dom().addClass('current-text-element');
+                element.dom.addClass('current-text-element');

             } else {
             } else {

-                this.wrapper.find('.current-node-element').removeClass('current-node-element');
-                element._container().addClass('current-node-element');
+                if(this.currentNodeElement) {
+                    this.currentNodeElement.updateState({active: false});
+                }
+                element.updateState({active: true});
+                this.currentNodeElement = element;

             }
         }.bind(this);
 
             }
         }.bind(this);
 


@@ -323,7 +375,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
 
     _moveCaretToTextElement: function(element, where) {
         var range = document.createRange(),
 
     _moveCaretToTextElement: function(element, where) {
         var range = document.createRange(),

-            node = element.dom().contents()[0];
+            node = element.dom.contents()[0];

 
         if(typeof where !== 'number') {
             range.selectNodeContents(node);
 
         if(typeof where !== 'number') {
             range.selectNodeContents(node);


@@ -351,10 +403,6 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
     },
 
         }
     },
 

-    findCanvasElement: function(node) {
-        return utils.findCanvasElement(node);
-    },
-

     toggleGrid: function() {
         this.wrapper.toggleClass('grid-on');
         this.trigger('changed');
     toggleGrid: function() {
         this.wrapper.toggleClass('grid-on');
         this.trigger('changed');


@@ -532,7 +580,7 @@ $.extend(Cursor.prototype, {
             if(selection.anchorNode === selection.focusNode) {
                 anchorFirst = selection.anchorOffset <= selection.focusOffset;
             } else {
             if(selection.anchorNode === selection.focusNode) {
                 anchorFirst = selection.anchorOffset <= selection.focusOffset;
             } else {

-                anchorFirst = parent.childIndex(anchorElement) < parent.childIndex(focusElement);
+                anchorFirst = (parent.getFirst(anchorElement, focusElement) === anchorElement);

             }
             placeData = getPlaceData(anchorFirst);
         } else {
             }
             placeData = getPlaceData(anchorFirst);
         } else {


@@ -552,8 +600,8 @@ $.extend(Cursor.prototype, {
 });
 
 return {
 });
 
 return {

-    fromXMLDocument: function(wlxmlDocument) {
-        return new Canvas(wlxmlDocument);
+    fromXMLDocument: function(wlxmlDocument, elements) {
+        return new Canvas(wlxmlDocument, elements);

     }
 };
 
     }
 };