integration wip: copy Bootstrap to build directory on build
[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / canvas.js
index 05dfbad..6a60f80 100644 (file)
@@ -9,6 +9,43 @@ define([
 ], function($, _, Backbone, documentElement, keyboard, utils, wlxmlListener) {
     
 'use strict';
+/* global document:false, window:false */
+
+
+var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null;};
+$.extend(TextHandler.prototype, {
+    handle: function(node, text) {
+        this.setText(text, node);
+        // return;
+        // if(!this.node) {
+        //     this.node = node;
+        // }
+        // if(this.node.sameNode(node)) {
+        //     this._ping(text);
+        // } else {
+        //     this.flush();
+        //     this.node = node;
+        //     this._ping(text);
+        // }
+    },
+    _ping: _.throttle(function(text) {
+        this.buffer = text;
+        this.flush();
+    }, 1000),
+    flush: function() {
+        if(this.buffer !== null) {
+            this.setText(this.buffer, this.node);
+            this.buffer = null;
+        }
+    },
+    setText: function(text, node) {
+        //this.canvas.wlxmlDocument.transform('setText', {node:node, text: text});
+        node.setText(text);
+
+    }
+
+});
+
 
 var Canvas = function(wlxmlDocument, publisher) {
     this.eventBus = _.extend({}, Backbone.Events);
@@ -16,6 +53,7 @@ var Canvas = function(wlxmlDocument, publisher) {
     this.wlxmlListener = wlxmlListener.create(this);
     this.loadWlxmlDocument(wlxmlDocument);
     this.publisher = publisher ? publisher : function() {};
+    this.textHandler = new TextHandler(this);
 };
 
 $.extend(Canvas.prototype, {
@@ -56,46 +94,57 @@ $.extend(Canvas.prototype, {
             canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false});
         });
 
+
+        /* globals MutationObserver */
         var observer = new MutationObserver(function(mutations) {
             mutations.forEach(function(mutation) {
                 if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
                     observer.disconnect();
-                    if(mutation.target.data === '')
+                    if(mutation.target.data === '') {
                         mutation.target.data = utils.unicode.ZWS;
+                    }
                     else if(mutation.oldValue === utils.unicode.ZWS) {
                         mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, '');
                         canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end');
                     }
-                    observer.observe(canvas.d[0], config);
+                    observer.observe(canvas.wrapper[0], config);
                     canvas.publisher('contentChanged');
 
                     var textElement = canvas.getDocumentElement(mutation.target),
                         toSet = mutation.target.data !== utils.unicode.ZWS ? mutation.target.data : '';
 
-                    textElement.data('wlxmlNode').setText(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);
+                    }
                 }
             });
         });
         var config = { attributes: false, childList: false, characterData: true, subtree: true, characterDataOldValue: true};
-        observer.observe(this.d[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)
+            if(!el) {
                 return;
+            }
             e.stopPropagation();
-            if(el instanceof documentElement.DocumentTextElement)
+            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);
-            if(!el)
+            if(!el) {
                 return;
+            }
             e.stopPropagation();
-            if(el instanceof documentElement.DocumentTextElement)
+            if(el instanceof documentElement.DocumentTextElement) {
                 el = el.parent();
+            }
             el.toggleLabel(false);
         });
 
@@ -111,8 +160,9 @@ $.extend(Canvas.prototype, {
     },
 
     doc: function() {
-        if(this.d === null)
+        if(this.d === null) {
             return null;
+        }
         return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
     },
 
@@ -126,6 +176,7 @@ $.extend(Canvas.prototype, {
     },
 
     getDocumentElement: function(from) {
+        /* globals HTMLElement, Text */
         if(from instanceof HTMLElement || from instanceof Text) {
            return documentElement.DocumentElement.fromHTMLElement(from, this);
         }
@@ -134,8 +185,6 @@ $.extend(Canvas.prototype, {
         return new Cursor(this);
     },
 
-    list: {},
-
     
     getCurrentNodeElement: function() {
         return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]);
@@ -155,12 +204,14 @@ $.extend(Canvas.prototype, {
         params = _.extend({caretTo: 'end'}, params);
         var findFirstDirectTextChild = function(e, nodeToLand) {
             var byBrowser = this.getCursor().getPosition().element;
-            if(byBrowser && byBrowser.parent().sameNode(nodeToLand))
+            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)
+                if(children[i] instanceof documentElement.DocumentTextElement) {
                     return children[i];
+                }
             }
             return null;
         }.bind(this);
@@ -169,7 +220,7 @@ $.extend(Canvas.prototype, {
                 this.wrapper.find('.current-text-element').removeClass('current-text-element');
                 element.dom().addClass('current-text-element');
             } else {
-                this.wrapper.find('.current-node-element').removeClass('current-node-element')
+                this.wrapper.find('.current-node-element').removeClass('current-node-element');
                 element._container().addClass('current-node-element');
                 this.publisher('currentElementChanged', element);
             }
@@ -182,15 +233,18 @@ $.extend(Canvas.prototype, {
             currentTextElement = this.getCurrentTextElement(),
             currentNodeElement = this.getCurrentNodeElement();
 
-        if(currentTextElement && !(currentTextElement.sameNode(textElementToLand)))
+        if(currentTextElement && !(currentTextElement.sameNode(textElementToLand))) {
             this.wrapper.find('.current-text-element').removeClass('current-text-element');
+        }
 
         if(textElementToLand) {
             _markAsCurrent(textElementToLand);
-            if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element))
+            if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) {
                 this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element?
-            if(!(textElementToLand.sameNode(currentTextElement)))
+            }
+            if(!(textElementToLand.sameNode(currentTextElement))) {
                 this.publisher('currentTextElementSet', textElementToLand.data('wlxmlNode'));
+            }
         } else {
             document.getSelection().removeAllRanges();
         }
@@ -213,8 +267,9 @@ $.extend(Canvas.prototype, {
         }
         
         var collapseArg = true;
-        if(where === 'end')
+        if(where === 'end') {
             collapseArg = false;
+        }
         range.collapse(collapseArg);
         
         var selection = document.getSelection();
@@ -225,139 +280,9 @@ $.extend(Canvas.prototype, {
     },
 
     setCursorPosition: function(position) {
-        if(position.element)
+        if(position.element) {
             this._moveCaretToTextElement(position.element, position.offset);
-    }
-});
-
-$.extend(Canvas.prototype.list, {
-    create: function(params) {
-        if(!(params.element1.parent().sameNode(params.element2.parent())))
-            return false;
-            
-        var parent = params.element1.parent(),
-            canvas = params.element1.canvas;
-        
-        if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) {
-            var tmp = params.element1;
-            params.element1 = params.element2;
-            params.element2 = tmp;
-        }
-        
-        var elementsToWrap = [];
-        
-        var place = 'before';
-        parent.children().some(function(element) {
-            var _e = element;
-            if(element.sameNode(params.element1))
-                place = 'inside';
-            if(place === 'inside') {
-                if(element instanceof documentElement.DocumentTextElement) {
-                    element = element.wrapWithNodeElement({tag: 'div', klass: 'list.item'});
-                    if(element.children()[0].sameNode(params.element1))
-                        params.element1 = element;
-                }
-                element.setWlxmlClass('item');
-                elementsToWrap.push(element);
-            }
-            if(_e.sameNode(params.element2))
-                return true;
-        });
-        
-        var listElement = canvas.createNodeElement({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')});
-        var toret;
-        if(parent.is('list')) {
-            var item = listElement.wrapWithNodeElement({tag: 'div', klass: 'item'});
-            item.exec('toggleBullet', false);
-            toret = listElement.parent();
-        } else {
-            toret = listElement;
-        }  
-        
-        params.element1.before(toret);
-        
-        elementsToWrap.forEach(function(element) {
-            element.detach();
-            listElement.append(element);
-        });
-    },
-    extractItems: function(params) {
-        params = _.extend({merge: true}, params);
-        var list = params.element1.parent();
-        if(!list.is('list') || !(list.sameNode(params.element2.parent())))
-            return false;
-
-        var idx1 = list.childIndex(params.element1),
-            idx2 = list.childIndex(params.element2),
-            precedingItems = [],
-            extractedItems = [],
-            succeedingItems = [],
-            items = list.children(),
-            listIsNested = list.parent().getWlxmlClass() === 'item',
-            canvas = params.element1.canvas,
-            i;
-
-        if(idx1 > idx2) {
-            var tmp = idx1; idx1 = idx2; idx2 = tmp;
-        }
-
-        items.forEach(function(item, idx) {
-            if(idx < idx1)
-                precedingItems.push(item);
-            else if(idx >= idx1 && idx <= idx2) {
-                extractedItems.push(item);
-            }
-            else {
-                succeedingItems.push(item);
-            }
-        });
-
-        var reference = listIsNested ? list.parent() : list;
-        if(succeedingItems.length === 0) {
-            var reference_orig = reference;
-            extractedItems.forEach(function(item) {
-                reference.after(item);
-                reference = item;
-                if(!listIsNested)
-                    item.setWlxmlClass(null);
-            });
-            if(precedingItems.length === 0)
-                reference_orig.detach();
-        } else if(precedingItems.length === 0) {
-            extractedItems.forEach(function(item) {
-                reference.before(item);
-                if(!listIsNested)
-                    item.setWlxmlClass(null);
-            });
-        } else {
-            extractedItems.forEach(function(item) {
-                reference.after(item);
-                if(!listIsNested)
-                    item.setWlxmlClass(null);
-                reference = item;
-            });
-            var secondList = canvas.createNodeElement({tag: 'div', klass:'list-items'}),
-                toAdd = secondList;
-            
-            if(listIsNested) {
-                toAdd = secondList.wrapWithNodeElement({tag: 'div', klass:'item'});
-            }
-            succeedingItems.forEach(function(item) {
-                secondList.append(item);
-            });
-
-            reference.after(toAdd);
         }
-        if(!params.merge && listIsNested) {
-            return this.extractItems({element1: extractedItems[0], element2: extractedItems[extractedItems.length-1]});
-        }
-        return true;
-    },
-    areItemsOfTheSameList: function(params) {
-        var e1 = params.element1,
-            e2 = params.element2;
-        return e1.parent().sameNode(e2.parent())
-            && e1.parent().is('list');
     }
 });
 
@@ -393,12 +318,14 @@ $.extend(Cursor.prototype, {
         return this.getSelectionBoundry('focus');
     },
     getSelectionBoundry: function(which) {
+        /* globals window */
         var selection = window.getSelection(),
             anchorElement = this.canvas.getDocumentElement(selection.anchorNode),
             focusElement = this.canvas.getDocumentElement(selection.focusNode);
         
-        if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement)
+        if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement) {
             return {};
+        }
 
         if(which === 'anchor') {
             return {
@@ -426,30 +353,30 @@ $.extend(Cursor.prototype, {
             if(anchorFirst) {
                 if(which === 'start') {
                     element = anchorElement;
-                    offset = selection.anchorOffset
+                    offset = selection.anchorOffset;
                 }
                 else if(which === 'end') {
-                    element = focusElement,
-                    offset = selection.focusOffset
+                    element = focusElement;
+                    offset = selection.focusOffset;
                 }
             } else {
                 if(which === 'start') {
-                    element = focusElement,
-                    offset = selection.focusOffset
+                    element = focusElement;
+                    offset = selection.focusOffset;
                 }
                 else if(which === 'end') {
                     element = anchorElement;
-                    offset = selection.anchorOffset
+                    offset = selection.anchorOffset;
                 }
             }
         } else {
             // TODO: Handle order via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition
             if(which === 'start') {
                 element = anchorElement;
-                offset = selection.anchorOffset
+                offset = selection.anchorOffset;
             } else {
                 element = focusElement;
-                offset = selection.focusOffset
+                offset = selection.focusOffset;
             }
         }
 
@@ -459,9 +386,9 @@ $.extend(Cursor.prototype, {
             offset: offset,
             offsetAtBeginning: offset === 0,
             offsetAtEnd: nodeLen === offset
-        }
+        };
     }
-})
+});
 
 return {
     fromXMLDocument: function(wlxmlDocument, publisher) {