Wrapping text inside DocumentTextElement with DocumentNodeElement

diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js
index 7d99f36..65cacca 100644 (file)
--- a/modules/documentCanvas/canvas/canvas.js
+++ b/modules/documentCanvas/canvas/canvas.js
@@ -1,7 +1,8 @@
 define([
 'libs/jquery-1.9.1.min',
+'libs/underscore-min',
 'modules/documentCanvas/canvas/documentElement'
-], function($, documentElement) {
+], function($, _, documentElement) {
     
 'use strict';
 
@@ -15,7 +16,46 @@ $.extend(Canvas.prototype, {
     doc: function() {
         if(this.d === null)
             return null;
-        return documentElement.wrap(this.d.get(0)); //{wlxmlTag: this.d.prop('tagName')};
+        return documentElement.wrap(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
+    },
+
+    wrapText: function(params) {
+        params = _.extend({textNodeIdx: 0}, params);
+        if(typeof params.textNodeIdx === 'number')
+            params.textNodeIdx = [params.textNodeIdx];
+        
+        //var container = params.inside.dom(),
+        var childrenInside = params.inside.children(),
+            idx1 = Math.min.apply(Math, params.textNodeIdx),
+            idx2 = Math.max.apply(Math, params.textNodeIdx),
+            textNode1 = childrenInside[idx1],
+            textNode2 = childrenInside[idx2],
+            sameNode = textNode1.sameNode(textNode2),
+            prefixOutside = textNode1.getText().substr(0, params.offsetStart),
+            prefixInside = textNode1.getText().substr(params.offsetStart),
+            suffixInside = textNode2.getText().substr(0, params.offsetEnd),
+            suffixOutside = textNode2.getText().substr(params.offsetEnd)
+        ;
+        
+        var wrapperElement = documentElement.DocumentNodeElement.create({tag: params._with.tag, klass: params._with.klass});
+        textNode1.after(wrapperElement);
+        textNode1.detach();
+        
+        wrapperElement.before({text:prefixOutside});
+        if(sameNode) {
+            var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart);
+            wrapperElement.append({text: core});
+        } else {
+            textNode2.detach();
+            wrapperElement.append({text: prefixInside});
+            for(var i = idx1 + 1; i < idx2; i++) {
+                wrapperElement.append(childrenInside[i]);
+            }
+            
+            wrapperElement.append({text: suffixInside});
+        }
+        wrapperElement.after({text: suffixOutside});
+        return wrapperElement;
     }
 
 });

diff --git a/modules/documentCanvas/canvas/canvas.test3.js b/modules/documentCanvas/canvas/canvas.test3.js
index 3a3ea44..23fd35e 100644 (file)
--- a/modules/documentCanvas/canvas/canvas.test3.js
+++ b/modules/documentCanvas/canvas/canvas.test3.js
@@ -212,6 +212,26 @@ describe('Canvas', function() {
                     expect(returned.sameNode(parent)).to.be.true;
                     expect(returned.sameNode(parent2)).to.be.true;
                 });
+                
+                it('wraps part of DocumentTextElement', function() {
+                    var c = canvas.fromXML('<section>Alice has a cat</section>'),
+                        text = c.doc().children()[0];
+                    
+                    var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 5, end: 12}),
+                        children = c.doc().children();
+
+                    expect(children.length).to.equal(3);
+                    
+                    expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
+                    expect(children[0].getText()).to.equal('Alice');
+
+                    expect(children[1].sameNode(returned)).to.be.true;
+                    expect(children[1].children().length).to.equal(1);
+                    expect(children[1].children()[0].getText()).to.equal(' has a ');
+
+                    expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
+                    expect(children[2].getText()).to.equal('cat');
+                });
             });
         });
 

diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js
index 6fea275..d90fe63 100644 (file)
--- a/modules/documentCanvas/canvas/documentElement.js
+++ b/modules/documentCanvas/canvas/documentElement.js
@@ -4,15 +4,20 @@ define([
     
 'use strict';
 
+
 // DocumentElement represents a node from WLXML document rendered inside Canvas
-var DocumentElement = function(htmlElement) {
+var DocumentElement = function(htmlElement, canvas) {
     if(arguments.length === 0)
         return;
+    this.canvas = canvas;
     this.$element = $(htmlElement);
     this.wlxmlTag = this.$element.prop('tagName');
 };
 
 $.extend(DocumentElement.prototype, {
+    dom: function() {
+        return this.$element;
+    },
     children: function() {
         var toret = [];
         if(this instanceof DocumentTextElement)
@@ -20,20 +25,21 @@ $.extend(DocumentElement.prototype, {
 
 
         var elementContent = this.$element.contents();
+        var element = this;
         elementContent.each(function(idx) {
-            var element = documentElementFromHTMLElement(this);
-            if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (element instanceof DocumentTextElement) && $.trim($(this).text()) === '')
+            var childElement = documentElementFromHTMLElement(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 && element instanceof DocumentTextElement) {
+            if(idx > 0 && childElement instanceof DocumentTextElement) {
                 if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '')
                     return true;
             }
-            toret.push(element);
+            toret.push(childElement);
         });
         return toret;
     },
     parent: function() {
-        return documentElementFromHTMLElement(this.$element.parent()[0]);
+        return documentElementFromHTMLElement(this.$element.parent()[0], this.canvas);
     },
 
     sameNode: function(other) {
@@ -42,7 +48,7 @@ $.extend(DocumentElement.prototype, {
 
     wrapWithNodeElement: function(wlxmlNode) {
         this.$element.wrap($('<' + wlxmlNode.tag + ' class="' + wlxmlNode.klass + '"">')[0]);
-        return documentElementFromHTMLElement(this.$element.parent().get(0));
+        return documentElementFromHTMLElement(this.$element.parent().get(0), this.canvas);
     },
 
     childIndex: function(child) {
@@ -55,15 +61,21 @@ $.extend(DocumentElement.prototype, {
             }
         });
         return toret;
+    },
+
+    detach: function() {
+        this.$element.detach();
+        this.canvas = null;
     }
 });
 
-var DocumentNodeElement = function(htmlElement) {
-    DocumentElement.call(this, htmlElement);
+
+var DocumentNodeElement = function(htmlElement, canvas) {
+    DocumentElement.call(this, htmlElement, canvas);
 };
 
-var DocumentTextElement = function(htmlElement) {
-    DocumentElement.call(this, htmlElement);  
+var DocumentTextElement = function(htmlElement, canvas) {
+    DocumentElement.call(this, htmlElement, canvas);
 };
 
 DocumentNodeElement.prototype = new DocumentElement();
@@ -105,6 +117,12 @@ DocumentNodeElement.createDOM = function(params) {
     return dom;
 };
 
+
+DocumentNodeElement.create = function(params) {
+    return documentElementFromHTMLElement(DocumentNodeElement.createDOM(params)[0]);
+};
+
+
 $.extend(DocumentTextElement.prototype, {
     setText: function(text) {
         this.$element[0].data = text;
@@ -113,7 +131,7 @@ $.extend(DocumentTextElement.prototype, {
         return this.$element.text();
     },
     after: function(params) {
-        if(params.text || params instanceof DocumentTextElement)
+        if(params instanceof DocumentTextElement || params.text)
             return false;
         var dom;
         if(params instanceof DocumentNodeElement) {
@@ -125,19 +143,34 @@ $.extend(DocumentTextElement.prototype, {
         this.$element.parent().after(dom[0]);
         this.$element.unwrap();
         return documentElementFromHTMLElement(dom[0]);
+    },
+    wrapWithNodeElement: function(wlxmlNode) {
+        if(wlxmlNode.start && wlxmlNode.end) {
+            return this.canvas.wrapText({
+                inside: this.parent(),
+                textNodeIdx: this.parent().childIndex(this),
+                offsetStart: wlxmlNode.start,
+                offsetEnd: wlxmlNode.end,
+                _with: {tag: wlxmlNode.tag, klass: wlxmlNode.klass}
+            });
+        } else {
+            return DocumentElement.prototype.wrapWithNodeElement.call(this, wlxmlNode);
+        }
     }
 });
 
-var documentElementFromHTMLElement = function(htmlElement) {
+var documentElementFromHTMLElement = function(htmlElement, canvas) {
+    // if(!canvas)
+    //    throw 'no canvas specified';
     if(htmlElement.nodeType === Node.ELEMENT_NODE)
-        return new DocumentNodeElement(htmlElement);
+        return new DocumentNodeElement(htmlElement, canvas);
     if(htmlElement.nodeType === Node.TEXT_NODE)
-        return new DocumentTextElement(htmlElement);
+        return new DocumentTextElement(htmlElement, canvas);
 };
 
 return {
-    wrap: function(htmlElement) {
-        return documentElementFromHTMLElement(htmlElement);
+    wrap: function(htmlElement, canvas) {
+        return documentElementFromHTMLElement(htmlElement, canvas);
     },
     DocumentElement: DocumentElement,
     DocumentNodeElement: DocumentNodeElement,