Refactoring: getting rid of old 'test3' regexp for tests lookup
[fnpeditor.git] / modules / documentCanvas / canvas / documentElement.js
index 0558a3e..1a10c1a 100644 (file)
@@ -47,7 +47,7 @@ $.extend(DocumentElement.prototype, {
         this.$element = $(htmlElement);
     },
     bound: function() {
-        return this.canvas !== undefined;
+        return $.contains(document.documentElement, this.dom()[0]);
     },
     dom: function() {
         return this.$element;
@@ -101,6 +101,20 @@ $.extend(DocumentElement.prototype, {
         return toret;
     },
 
+    getPreviousTextElement: function(includeInvisible) {
+        return this.getNearestTextElement('above', includeInvisible);
+    },
+
+    getNextTextElement: function(includeInvisible) {
+        return this.getNearestTextElement('below', includeInvisible);
+    },
+
+    getNearestTextElement: function(direction, includeInvisible) {
+        includeInvisible = includeInvisible !== undefined ? includeInvisible : false;
+        var selector = '[document-text-element]' + (includeInvisible ? '' : ':visible');
+        return this.canvas.getDocumentElement(utils.nearestInDocumentOrder(selector, direction, this.dom()[0]));
+    },
+
     isVisible: function() {
         return this instanceof DocumentTextElement || this.getWlxmlTag() !== 'metadata';
     },
@@ -202,6 +216,49 @@ $.extend(DocumentNodeElement.prototype, {
         this.canvas = null;
         return this;
     },
+    unwrapContents: function() {
+        var parent = this.parent();
+        if(!parent)
+            return;
+
+        var parentChildren = parent.children(),
+            myChildren = this.children(),
+            myIdx = parent.childIndex(this);
+
+        if(myChildren.length === 0)
+            return this.detach();
+
+        var moveLeftRange, moveRightRange, leftMerged;
+
+        if(myIdx > 0 && (parentChildren[myIdx-1] instanceof DocumentTextElement) && (myChildren[0] instanceof DocumentTextElement)) {
+            parentChildren[myIdx-1].appendText(myChildren[0].getText());
+            myChildren[0].detach();
+            moveLeftRange = true;
+            leftMerged = true;
+        } else {
+            leftMerged = false;
+        }
+
+        if(!(leftMerged && myChildren.length === 1)) {
+            if(myIdx < parentChildren.length - 1 && (parentChildren[myIdx+1] instanceof DocumentTextElement) && (myChildren[myChildren.length-1] instanceof DocumentTextElement)) {
+                parentChildren[myIdx+1].prependText(myChildren[myChildren.length-1].getText());
+                myChildren[myChildren.length-1].detach();
+                moveRightRange = true;
+            }
+        }
+
+        var childrenLength = this.children().length;
+        this.children().forEach(function(child) {
+            this.before(child);
+        }.bind(this));
+
+        this.detach();
+
+        return {
+            element1: parent.children()[myIdx + (moveLeftRange ? -1 : 0)],
+            element2: parent.children()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
+        };
+    },
     data: function() {
         var dom = this.dom(),
             args = Array.prototype.slice.call(arguments, 0);
@@ -463,6 +520,9 @@ $.extend(DocumentTextElement.prototype, {
     appendText: function(text) {
         this.dom().contents()[0].data += text;
     },
+    prependText: function(text) {
+        this.dom().contents()[0].data = text + this.dom().contents()[0].data;
+    },
     getText: function() {
         return this.dom().text().replace(utils.unicode.ZWS, '');
     },