X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/f1709cec5b085835c7e5d36eaa2d2b35d0b13f22..c193c33cf3e10b222a47de0b971573b66b495cfc:/src/editor/modules/documentCanvas/canvas/canvas.js?ds=inline

diff --git a/src/editor/modules/documentCanvas/canvas/canvas.js b/src/editor/modules/documentCanvas/canvas/canvas.js
index 3bf6b51..0259452 100644
--- a/src/editor/modules/documentCanvas/canvas/canvas.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.js
@@ -11,7 +11,10 @@ define([
 'modules/documentCanvas/canvas/genericElement',
 'modules/documentCanvas/canvas/nullElement',
 'modules/documentCanvas/canvas/gutter',
-], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter) {
+'modules/documentCanvas/canvas/selection',
+'modules/documentCanvas/canvas/keyEvent',
+'libs/text!./canvas.html'
+], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter, selection, keyEvent, canvasTemplate) {
     
 'use strict';
 /* global document:false, window:false, Node:false, gettext */
@@ -59,7 +62,8 @@ $.extend(TextHandler.prototype, {
 });
 
 
-var Canvas = function(wlxmlDocument, elements) {
+var Canvas = function(wlxmlDocument, elements, metadata) {
+    this.metadata = metadata || {};
     this.elementsRegister = new ElementsRegister(documentElement.DocumentNodeElement, nullElement);
 
     elements = [
@@ -75,13 +79,13 @@ var Canvas = function(wlxmlDocument, elements) {
     }.bind(this));
     this.eventBus = _.extend({}, Backbone.Events);
     
-    this.wrapper = $('<div style="display: table; width: 96%"><div style="display: table-row" class="crow"></div></div>');
+    this.dom = $(canvasTemplate);
+    this.rootWrapper = this.dom.find('.root-wrapper');
     
 
     this.gutter = gutter.create();
     this.gutterView = new gutter.GutterView(this.gutter);
-    this.rootWrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
-    this.wrapper.find('.crow').append(this.rootWrapper, this.gutterView.dom);
+    this.dom.find('.view-row').append(this.gutterView.dom);
     
     this.wlxmlListener = wlxmlListener.create(this);
     this.loadWlxmlDocument(wlxmlDocument);
@@ -92,7 +96,7 @@ var Canvas = function(wlxmlDocument, elements) {
 $.extend(Canvas.prototype, Backbone.Events, {
 
     getElementOffset: function(element) {
-        return element.dom.offset().top - this.wrapper.offset().top;
+        return element.dom.offset().top - this.dom.offset().top;
     },
 
     loadWlxmlDocument: function(wlxmlDocument) {
@@ -136,16 +140,27 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     reloadRoot: function() {
+        if(this.rootElement) {
+            this.rootElement.detach();
+        }
         this.rootElement = this.createElement(this.wlxmlDocument.root);
-        this.rootWrapper.empty();
         this.rootWrapper.append(this.rootElement.dom);
     },
 
+
+    triggerKeyEvent: function(keyEvent, selection) {
+        selection = selection || this.getSelection();
+        if(selection && (selection.type === 'caret' || selection.type === 'textSelection') && selection.toDocumentFragment().isValid()) {
+            keyboard.handleKeyEvent(keyEvent, selection);
+        }
+    },
+
     setupEventHandling: function() {
         var canvas = this;
 
-        this.rootWrapper.on('keyup keydown keypress', function(e) {
-            keyboard.handleKey(e, canvas);
+        /* globals document */
+        $(document.body).on('keydown', function(e) {
+            canvas.triggerKeyEvent(keyEvent.fromNativeEvent(e));
         });
 
         this.rootWrapper.on('mouseup', function() {
@@ -155,16 +170,28 @@ $.extend(Canvas.prototype, Backbone.Events, {
         var mouseDown;
         this.rootWrapper.on('mousedown', '[document-node-element], [document-text-element]', function(e) {
             mouseDown = e.target;
+            canvas.rootWrapper.find('[contenteditable]').attr('contenteditable', null);
         });
 
         this.rootWrapper.on('click', '[document-node-element], [document-text-element]', function(e) {
+            var position, element;
             e.stopPropagation();
             if(e.originalEvent.detail === 3) {
                 e.preventDefault();
                 canvas._moveCaretToTextElement(canvas.getDocumentElement(e.currentTarget), 'whole');
             } else {
                 if(mouseDown === e.target) {
-                    canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false});
+                    element = canvas.getDocumentElement(e.target);
+                    if(element && element.wlxmlNode.nodeType === Node.ELEMENT_NODE) {
+                        if(element.getVerticallyFirstTextElement && !element.getVerticallyFirstTextElement({considerChildren: false})) {
+                            canvas.setCurrentElement(element);
+                            return;
+                        }
+                    }
+                    if(window.getSelection().isCollapsed) {
+                        position = utils.caretPositionFromPoint(e.clientX, e.clientY);
+                        canvas.setCurrentElement(canvas.getDocumentElement(position.textNode), {caretTo: position.offset});
+                    }
                 }
             }
         });
@@ -196,7 +223,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
         /* globals MutationObserver */
         var observer = new MutationObserver(function(mutations) {
             mutations.forEach(function(mutation) {
-                if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
+                if(canvas.dom[0].contains(mutation.target) && documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
                     observer.disconnect();
                     if(mutation.target.data === '') {
                         mutation.target.data = utils.unicode.ZWS;
@@ -205,7 +232,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
                         mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, '');
                         canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end');
                     }
-                    observer.observe(canvas.wrapper[0], config);
+                    observer.observe(canvas.dom[0], config);
 
                     var textElement = canvas.getDocumentElement(mutation.target),
                         toSet = mutation.target.data !== utils.unicode.ZWS ? mutation.target.data : '';
@@ -249,7 +276,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     view: function() {
-        return this.wrapper;
+        return this.dom;
     },
 
     doc: function() {
@@ -296,9 +323,14 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     triggerSelectionChanged: function() {
-        this.trigger('selectionChanged', this.getSelection());
         var s = this.getSelection(),
-            f = s.toDocumentFragment();
+            f;
+        if(!s) {
+            return;
+        }
+        this.trigger('selectionChanged', s);
+        f = s.toDocumentFragment();
+
         if(f && f instanceof f.RangeFragment) {
             if(this.currentNodeElement) {
                 this.currentNodeElement.updateState({active: false});
@@ -308,7 +340,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     getSelection: function() {
-        return new Selection(this);
+        return selection.fromNativeSelection(this);
     },
 
     select: function(fragment) {
@@ -324,6 +356,13 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
     },
 
+    setSelection: function(selection) {
+        this.select(this, selection.toDocumentFragment());
+    },
+
+    createSelection: function(params) {
+        return selection.fromParams(this, params);
+    },
     setCurrentElement: function(element, params) {
         if(!element) {
             logger.debug('Invalid element passed to setCurrentElement: ' + element);
@@ -345,7 +384,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
             if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) {
                 return byBrowser;
             }
-            return e.getVerticallyFirstTextElement();
+            return _.isFunction(e.getVerticallyFirstTextElement) ? e.getVerticallyFirstTextElement({considerChildren: false}) : null;
         }.bind(this);
         var _markAsCurrent = function(element) {
             if(element instanceof documentElement.DocumentTextElement) {
@@ -373,7 +412,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
 
         if(textElementToLand) {
             _markAsCurrent(textElementToLand);
-            if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) {
+            if((params.caretTo || params.caretTo === 0) || !textElementToLand.sameNode(this.getCursor().getPosition().element)) {
                 this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element?
             }
         } else {
@@ -405,87 +444,20 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
         var selection = document.getSelection();
 
+        $(node).parent().attr('contenteditable', true);
         selection.removeAllRanges();
         selection.addRange(range);
-        this.rootWrapper.focus(); // FF requires this for caret to be put where range colllapses, Chrome doesn't.
+        $(node).parent().focus(); // FF requires this for caret to be put where range colllapses, Chrome doesn't.
     },
 
     setCursorPosition: function(position) {
         if(position.element) {
             this._moveCaretToTextElement(position.element, position.offset);
         }
-    },
-
-    toggleGrid: function() {
-        this.rootWrapper.toggleClass('grid-on');
-        this.trigger('changed');
-    },
-    isGridToggled: function() {
-        return this.rootWrapper.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;
     this.selection = window.getSelection();
@@ -613,8 +585,8 @@ $.extend(Cursor.prototype, {
 });
 
 return {
-    fromXMLDocument: function(wlxmlDocument, elements) {
-        return new Canvas(wlxmlDocument, elements);
+    fromXMLDocument: function(wlxmlDocument, elements, metadata) {
+        return new Canvas(wlxmlDocument, elements, metadata);
     }
 };