refactoring

[fnpeditor.git] / modules / documentCanvas / canvas / documentElement.js

diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js
index 8a50d23..49fcd22 100644 (file)
--- a/modules/documentCanvas/canvas/documentElement.js
+++ b/modules/documentCanvas/canvas/documentElement.js
@@ -19,7 +19,10 @@ $.extend(DocumentElement.prototype, {
         return this.$element;
     },
     parent: function() {
-        return documentElementFromHTMLElement(this.$element.parent()[0], this.canvas);
+        var parents = this.$element.parents('[wlxml-tag]');
+        if(parents.length)
+            return DocumentElement.fromHTMLElement(parents[0], this.canvas);
+        return null;
     },
 
     sameNode: function(other) {
@@ -52,14 +55,14 @@ DocumentNodeElement.prototype = new DocumentElement();
 DocumentTextElement.prototype = new DocumentElement();
 
 var manipulate = function(e, params, action) {
-    var dom;
+    var element;
     if(params instanceof DocumentElement) {
-        dom = params.dom()
+        element = params;
     } else {
-        dom = DocumentNodeElement.createDOM(params);
+        element = DocumentElement.create(params);
     }
-    e.dom()[action](dom);
-    return documentElementFromHTMLElement(dom);
+    e.dom()[action](element.dom());
+    return element;
 };
 
 $.extend(DocumentNodeElement.prototype, {
@@ -82,7 +85,7 @@ $.extend(DocumentNodeElement.prototype, {
         var elementContent = this.dom().contents();
         var element = this;
         elementContent.each(function(idx) {
-            var childElement = documentElementFromHTMLElement(this, element.canvas);
+            var childElement = DocumentElement.fromHTMLElement(this, element.canvas);
             if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
                 return true;
             if(idx > 0 && childElement instanceof DocumentTextElement) {
@@ -129,21 +132,49 @@ $.extend(DocumentNodeElement.prototype, {
     }
 });
 
+
+DocumentElement.create = function(params, canvas) {
+    var ElementType = params.text !== undefined ? DocumentTextElement : DocumentNodeElement;
+    return ElementType.create(params);
+};
+
+DocumentElement.createDOM = function(params) {
+    var ElementType = params.text !== undefined ? DocumentTextElement : DocumentNodeElement;
+    return ElementType.createDOM(params);
+};
+
+DocumentElement.fromHTMLElement = function(htmlElement, canvas) {
+    if(htmlElement.nodeType === Node.ELEMENT_NODE)
+        return DocumentNodeElement.fromHTMLElement(htmlElement, canvas);
+    if(htmlElement.nodeType === Node.TEXT_NODE)
+        return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
+}
+
 DocumentNodeElement.createDOM = function(params) {
-    var dom;
-    if(params.text) {
-        dom = $(document.createTextNode(params.text));
-    } else {
-        dom = $('<div>').attr('wlxml-tag', params.tag);
-        if(params.klass)
-            dom.attr('wlxml-class', params.klass);
-    }
+    var dom = $('<div>').attr('wlxml-tag', params.tag);
+    if(params.klass)
+        dom.attr('wlxml-class', params.klass);
     return dom;
 };
 
+DocumentTextElement.createDOM = function(params) {
+    return $(document.createTextNode(params.text));
+};
 
 DocumentNodeElement.create = function(params, canvas) {
-    return documentElementFromHTMLElement(DocumentNodeElement.createDOM(params)[0]);
+    return this.fromHTMLElement(this.createDOM(params)[0]);
+};
+
+DocumentTextElement.create = function(params, canvas) {
+    return this.fromHTMLElement(this.createDOM(params)[0]);
+};
+
+DocumentNodeElement.fromHTMLElement = function(htmlElement, canvas) {
+    return new this(htmlElement, canvas);
+};
+
+DocumentTextElement.fromHTMLElement = function(htmlElement, canvas) {
+    return new this(htmlElement, canvas);
 };
 
 
@@ -157,30 +188,30 @@ $.extend(DocumentTextElement.prototype, {
     after: function(params) {
         if(params instanceof DocumentTextElement || params.text)
             return false;
-        var dom;
+        var element;
         if(params instanceof DocumentNodeElement) {
-            dom = params.dom();
+            element = params;
         } else {
-            dom = DocumentNodeElement.createDOM(params);
+            element = DocumentNodeElement.create(params);
         }
         this.dom().wrap('<div>');
-        this.dom().parent().after(dom[0]);
+        this.dom().parent().after(element.dom());
         this.dom().unwrap();
-        return documentElementFromHTMLElement(dom[0]);
+        return element;
     },
     before: function(params) {
         if(params instanceof DocumentTextElement || params.text)
             return false;
-        var dom;
+        var element;
         if(params instanceof DocumentNodeElement) {
-            dom = params.dom();
+            element = params;
         } else {
-            dom = DocumentNodeElement.createDOM(params);
+            element = DocumentNodeElement.create(params);
         }
         this.dom().wrap('<div>');
-        this.dom().parent().before(dom[0]);
+        this.dom().parent().before(element.dom());
         this.dom().unwrap();
-        return documentElementFromHTMLElement(dom[0]);
+        return element;
     },
     wrapWithNodeElement: function(wlxmlNode) {
         if(typeof wlxmlNode.start === 'number' && typeof wlxmlNode.end === 'number') {
@@ -196,9 +227,26 @@ $.extend(DocumentTextElement.prototype, {
         }
     },
     unwrap: function() {
-        if(this.parent().children().length === 1) {
-            var parent = this.parent();
-            parent.after(this);
+        var parent = this.parent();
+        if(parent.children().length === 1) {
+            var grandParent = parent.parent();
+            if(grandParent) {
+                var grandParentChildren = grandParent.children(),
+                    idx = grandParent.childIndex(parent),
+                    prev = idx - 1 > -1 ? grandParentChildren[idx-1] : null,
+                    next = idx + 1 < grandParentChildren.length ? grandParentChildren[idx+1] : null;
+                if(prev && next) {
+                    prev.setText(prev.getText() + this.getText() + next.getText());
+                    next.detach();
+                } else if (prev || next) {
+                    var target = prev ? prev : next;
+                    target.setText(target.getText() + this.getText());
+                } else {
+                    parent.after(this);
+                }
+            } else {
+                parent.after(this);
+            }
             parent.detach();
         }
     },
@@ -235,19 +283,7 @@ $.extend(DocumentTextElement.prototype, {
     }
 });
 
-var documentElementFromHTMLElement = function(htmlElement, canvas) {
-    // if(!canvas)
-    //    throw 'no canvas specified';
-    if(htmlElement.nodeType === Node.ELEMENT_NODE)
-        return new DocumentNodeElement(htmlElement, canvas);
-    if(htmlElement.nodeType === Node.TEXT_NODE)
-        return new DocumentTextElement(htmlElement, canvas);
-};
-
 return {
-    wrap: function(htmlElement, canvas) {
-        return documentElementFromHTMLElement(htmlElement, canvas);
-    },
     DocumentElement: DocumentElement,
     DocumentNodeElement: DocumentNodeElement,
     DocumentTextElement: DocumentTextElement