editor: span icon clickable when cursor in appropriate fragment & enables span removal

[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 94ad763..d58ea7b 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.js
@@ -10,7 +10,7 @@ define([
 ], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener) {
     
 'use strict';
 ], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener) {
     
 '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');
 


@@ -42,24 +42,29 @@ $.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, publisher) {
+var Canvas = function(wlxmlDocument) {

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

-    this.publisher = publisher ? publisher : function() {};

     this.textHandler = new TextHandler(this);
 };
 
     this.textHandler = new TextHandler(this);
 };
 

-$.extend(Canvas.prototype, {
+$.extend(Canvas.prototype, Backbone.Events, {

 
     loadWlxmlDocument: function(wlxmlDocument) {
         if(!wlxmlDocument) {
 
     loadWlxmlDocument: function(wlxmlDocument) {
         if(!wlxmlDocument) {


@@ -73,7 +78,7 @@ $.extend(Canvas.prototype, {
 
     createElement: function(wlxmlNode) {
         var Factory = wlxmlNode.nodeType === Node.TEXT_NODE ? documentElement.DocumentTextElement : documentElement.DocumentNodeElement;
 
     createElement: function(wlxmlNode) {
         var Factory = wlxmlNode.nodeType === Node.TEXT_NODE ? documentElement.DocumentTextElement : documentElement.DocumentNodeElement;

-        return Factory.create(wlxmlNode, this);
+        return new Factory(wlxmlNode, this);

     },
 
     getDocumentElement: function(htmlElement) {
     },
 
     getDocumentElement: function(htmlElement) {


@@ -83,33 +88,35 @@ $.extend(Canvas.prototype, {
         }
         var $element = $(htmlElement);
         if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined) {
         }
         var $element = $(htmlElement);
         if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined) {

-            return new documentElement.DocumentNodeElement(htmlElement, this);
+            return $element.data('canvas-element');
+        }
+
+        if(htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined) {
+            $element = $element.parent();

         }
         }

+

         if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined)) {
             //return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
         if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined)) {
             //return DocumentTextElement.fromHTMLElement(htmlElement, canvas);

-            return new documentElement.DocumentTextElement(htmlElement, this);
+            return $element.data('canvas-element');

         }
     },
 
     reloadRoot: function() {
         }
     },
 
     reloadRoot: function() {

-        var canvasDOM = this.generateCanvasDOM(this.wlxmlDocument.root);
-        //var canvasDOM = this.wlxmlDocument.root.getData('canvasElement') ? this.wlxmlDocument.root.getData('canvasElement').dom() : this.generateCanvasDOM(this.wlxmlDocument.root);
-
+        this.rootElement = this.createElement(this.wlxmlDocument.root);

         this.wrapper.empty();
         this.wrapper.empty();

-        this.wrapper.append(canvasDOM);
-        this.d = this.wrapper.children(0);
-    },
-
-    generateCanvasDOM: function(wlxmlNode) {
-        var element = documentElement.DocumentNodeElement.create(wlxmlNode, this);
-        return element.dom();
+        this.wrapper.append(this.rootElement.dom());

     },
 
     setupEventHandling: function() {
         var canvas = this;
     },
 
     setupEventHandling: function() {
         var canvas = this;

+

         this.wrapper.on('keyup keydown keypress', function(e) {
         this.wrapper.on('keyup keydown keypress', function(e) {

-            keyboard.handleKey(e, this);
-        }.bind(this));
+            keyboard.handleKey(e, canvas);
+        });
+
+        this.wrapper.on('mouseup', function() {
+            canvas.triggerSelectionChanged();
+        });

 
         var mouseDown;
         this.wrapper.on('mousedown', '[document-node-element], [document-text-element]', function(e) {
 
         var mouseDown;
         this.wrapper.on('mousedown', '[document-node-element], [document-text-element]', function(e) {


@@ -171,8 +178,8 @@ $.extend(Canvas.prototype, {
 
                     //textElement.data('wlxmlNode').setText(toSet);
                     //textElement.data('wlxmlNode').document.transform('setText', {node: textElement.data('wlxmlNode'), text: toSet});
 
                     //textElement.data('wlxmlNode').setText(toSet);
                     //textElement.data('wlxmlNode').document.transform('setText', {node: textElement.data('wlxmlNode'), text: toSet});

-                    if(textElement.data('wlxmlNode').getText() !== toSet) {
-                        canvas.textHandler.handle(textElement.data('wlxmlNode'), toSet);
+                    if(textElement.wlxmlNode.getText() !== toSet) {
+                        canvas.textHandler.handle(textElement.wlxmlNode, toSet);

                     }
                 }
             });
                     }
                 }
             });


@@ -216,10 +223,7 @@ $.extend(Canvas.prototype, {
     },
 
     doc: function() {
     },
 
     doc: function() {

-        if(this.d === null) {
-            return null;
-        }
-        return this.getDocumentElement(this.d[0]);
+        return this.rootElement;

     },
 
     toggleElementHighlight: function(node, toggle) {
     },
 
     toggleElementHighlight: function(node, toggle) {


@@ -250,7 +254,20 @@ $.extend(Canvas.prototype, {
         return element.dom().parents().index(this.wrapper) !== -1;
     },
 
         return element.dom().parents().index(this.wrapper) !== -1;
     },
 

+    triggerSelectionChanged: function() {
+        this.trigger('selectionChanged', this.getSelection());
+    },
+
+    getSelection: function() {
+        return new Selection(this);
+    },
+

     setCurrentElement: function(element, params) {
     setCurrentElement: function(element, params) {

+        if(!element) {
+            logger.debug('Invalid element passed to setCurrentElement: ' + element);
+            return;
+        }
+

         if(!(element instanceof documentElement.DocumentElement)) {
             element = utils.findCanvasElement(element);
         }
         if(!(element instanceof documentElement.DocumentElement)) {
             element = utils.findCanvasElement(element);
         }


@@ -300,18 +317,14 @@ $.extend(Canvas.prototype, {
             if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) {
                 this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element?
             }
             if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) {
                 this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element?
             }

-            if(!(textElementToLand.sameNode(currentTextElement))) {
-                this.publisher('currentTextElementSet', textElementToLand.data('wlxmlNode'));
-            }

         } else {
             document.getSelection().removeAllRanges();
         }
 
         if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) {
             _markAsCurrent(nodeElementToLand);
         } else {
             document.getSelection().removeAllRanges();
         }
 
         if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) {
             _markAsCurrent(nodeElementToLand);

-
-            this.publisher('currentNodeElementSet', nodeElementToLand.data('wlxmlNode'));

         }
         }

+        this.triggerSelectionChanged();

     },
 
     _moveCaretToTextElement: function(element, where) {
     },
 
     _moveCaretToTextElement: function(element, where) {


@@ -321,7 +334,7 @@ $.extend(Canvas.prototype, {
         if(typeof where !== 'number') {
             range.selectNodeContents(node);
         } else {
         if(typeof where !== 'number') {
             range.selectNodeContents(node);
         } else {

-            range.setStart(node, where);
+            range.setStart(node, Math.min(node.data.length, where));

         }
         
         if(where !== 'whole') {
         }
         
         if(where !== 'whole') {


@@ -342,15 +355,103 @@ $.extend(Canvas.prototype, {
         if(position.element) {
             this._moveCaretToTextElement(position.element, position.offset);
         }
         if(position.element) {
             this._moveCaretToTextElement(position.element, position.offset);
         }

+    },
+
+    findCanvasElement: function(node) {
+        return utils.findCanvasElement(node);
+    },
+
+    toggleGrid: function() {
+        this.wrapper.toggleClass('grid-on');
+        this.trigger('changed');
+    },
+    isGridToggled: function() {
+        return this.wrapper.hasClass('grid-on');

     }
 });
 
 
     }
 });
 
 

+var isText = function(node) {
+    return node && node.nodeType === Node.TEXT_NODE && $(node.parentNode).is('[document-text-element]');
+};
+
+var Selection = function(canvas) {
+    this.canvas = canvas;
+    var nativeSelection = this.nativeSelection = window.getSelection();
+    Object.defineProperty(this, 'type', {
+        get: function() {
+            if(nativeSelection.focusNode) {
+                if(nativeSelection.isCollapsed && isText(nativeSelection.focusNode)) {
+                    return 'caret';
+                }
+                if(isText(nativeSelection.focusNode) && isText(nativeSelection.anchorNode)) {
+                    return 'textSelection';
+                }
+            }
+            if(canvas.getCurrentNodeElement()) {
+                return 'node';
+            }
+        }
+    });
+};
+
+$.extend(Selection.prototype, {
+    toDocumentFragment: function() {
+        var doc = this.canvas.wlxmlDocument,
+            anchorElement = this.canvas.getDocumentElement(this.nativeSelection.anchorNode),
+            focusElement = this.canvas.getDocumentElement(this.nativeSelection.focusNode),
+            anchorNode = anchorElement ? anchorElement.wlxmlNode : null,
+            focusNode = focusElement ? focusElement.wlxmlNode : null;
+        if(this.type === 'caret') {
+            return doc.createFragment(doc.CaretFragment, {node: anchorNode, offset: this.nativeSelection.anchorOffset});
+        }
+        if(this.type === 'textSelection') {
+            if(anchorNode.isSiblingOf(focusNode)) {
+                return doc.createFragment(doc.TextRangeFragment, {
+                    node1: anchorNode,
+                    offset1: this.nativeSelection.anchorOffset,
+                    node2: focusNode,
+                    offset2: this.nativeSelection.focusOffset,
+                });
+            }
+            else {
+                var siblingParents = doc.getSiblingParents({node1: anchorNode, node2: focusNode});
+                return doc.createFragment(doc.RangeFragment, {
+                    node1: siblingParents.node1,
+                    node2: siblingParents.node2
+                });
+            }
+        }
+        if(this.type === 'node') {
+            return doc.createFragment(doc.NodeFragment, {node: this.canvas.getCurrentNodeElement().wlxmlNode});
+        }
+    },
+    sameAs: function(other) {
+        void(other);
+    }
+});
+

 var Cursor = function(canvas) {
     this.canvas = canvas;
 var Cursor = function(canvas) {
     this.canvas = canvas;

+    this.selection = window.getSelection();

 };
 
 $.extend(Cursor.prototype, {
 };
 
 $.extend(Cursor.prototype, {

+    sameAs: function(other) {
+        var same = true;
+        if(!other) {
+            return false;
+        }
+
+        ['focusNode', 'focusOffset', 'anchorNode', 'anchorOffset'].some(function(prop) {
+            same = same && this.selection[prop] === other.selection[prop];
+            if(!same) {
+                return true; // break
+            }
+        }.bind(this));
+
+        return same;
+    },

     isSelecting: function() {
         var selection = window.getSelection();
         return !selection.isCollapsed;
     isSelecting: function() {
         var selection = window.getSelection();
         return !selection.isCollapsed;


@@ -457,8 +558,8 @@ $.extend(Cursor.prototype, {
 });
 
 return {
 });
 
 return {

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

     }
 };
 
     }
 };