Fixing xml formatting
authorAleksander Łukasz <aleksander.lukasz@nowoczesnapolska.org.pl>
Thu, 25 Jul 2013 11:30:32 +0000 (13:30 +0200)
committerAleksander Łukasz <aleksander.lukasz@nowoczesnapolska.org.pl>
Thu, 25 Jul 2013 12:35:20 +0000 (14:35 +0200)
Rewriting original formatting mechanism to keep
information about original formatting on both ends
of a node element

modules/documentCanvas/canvas/canvas.js
modules/documentCanvas/canvas/canvas.test3.js
modules/documentCanvas/canvas/documentElement.js

index 19c2a3f..8ed9b58 100644 (file)
@@ -41,8 +41,8 @@ $.extend(Canvas.prototype, {
                 });
 
                 element.dom().append(currentTag.contents());
-                ['orig-before', 'orig-append'].forEach(function(attr) {
-                    element.data(attr, ['']);
+                ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) {
+                    element.data(attr, '');
                 });
                 return element.dom();
             });
@@ -60,15 +60,22 @@ $.extend(Canvas.prototype, {
                         hasSpanAfter = el.next().length > 0 && $(el.next()[0]).attr('wlxml-tag') === 'span';
 
 
-                    var addInfo = function(toAdd) {
+                    var addInfo = function(toAdd, where) {
                         var parentContents = elParent.contents(),
                             idx = parentContents.index(el[0]),
-                            next = idx < parentContents.length - 1 ? parentContents[idx+1] : null;
-                        if(next) {
-                            $(next).data('orig-before', toAdd);
-                        } else {
-                            elParent.data('orig-append', toAdd);
-                        }
+                            prev = idx > 0 ? parentContents[idx-1] : null,
+                            next = idx < parentContents.length - 1 ? parentContents[idx+1] : null,
+                            target, key;
+
+                        if(where === 'above') {
+                            target = prev ? $(prev) : elParent;
+                            key = prev ? 'orig-after' : 'orig-begin';
+                        } else if(where === 'below') {
+                            target = next ? $(next) : elParent;
+                            key = next ? 'orig-before' : 'orig-end';
+                        } else { throw new Object;}
+
+                        target.data(key, toAdd);
                     }
 
                     text.transformed = text.trimmed;
@@ -85,15 +92,14 @@ $.extend(Canvas.prototype, {
                     }
 
                     if(!text.transformed) {
-                        addInfo([text.original]);
+                        addInfo(text.original, 'below');
                         el.remove();
                         return true; // continue
                     }
 
                     if(text.transformed !== text.original) {
-                        var toAdd = [];
                         if(!text.trimmed) {
-                            toAdd.push(text.original);
+                            addInfo(text.original, 'below');
                         } else {
                             var startingMatch = text.original.match(/^\s+/g),
                                 endingMatch = text.original.match(/\s+$/g),
@@ -103,16 +109,15 @@ $.extend(Canvas.prototype, {
                             if(endingWhiteSpace) {
                                 if(text.transformed[text.transformed.length - 1] === ' ' && endingWhiteSpace[0] === ' ')
                                     endingWhiteSpace = endingWhiteSpace.substr(1);
-                                toAdd.push(endingWhiteSpace);
+                                addInfo(endingWhiteSpace, 'below');
                             }
 
                             if(startingWhiteSpace) {
                                 if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ')
                                     startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1);
-                                toAdd.push(startingWhiteSpace);
+                                addInfo(startingWhiteSpace, 'above');
                             }
                         }
-                        addInfo(toAdd);
                     }
 
                     var element = documentElement.DocumentTextElement.create({text: text.transformed});
index 565e4b0..3ff84f8 100644 (file)
@@ -1168,6 +1168,14 @@ describe('Canvas', function() {
                 expect(partsIn).to.deep.equal(partsOut);
             });
 
+            it('keeps white space at the beginning of text', function() {
+                var xmlIn = '<section>    abc<div>some div</div>    abc</section>',
+                    c = canvas.fromXML(xmlIn),
+                    xmlOut = c.toXML();
+
+                expect(xmlOut).to.equal(xmlIn);
+            });
+
             it('nests new children block elements', function() {
                 var c = canvas.fromXML('<section></section>');
     
index 29b07df..9ddf190 100644 (file)
@@ -173,58 +173,61 @@ $.extend(DocumentNodeElement.prototype, {
 
         var addFormatting = function() {
             var toret = $('<div>');
+            var formattings = {};
 
-            if(this.data('orig-before') && this.data('orig-before').length) {
-                this.data('orig-before').forEach(function(toAdd) {
-                    if(toAdd)
-                        toret.prepend(document.createTextNode(toAdd));
-                });
+            if(this.data('orig-before') !== undefined) {
+                if(this.data('orig-before')) {
+                    toret.prepend(document.createTextNode(this.data('orig-before')));
+                }
             } else if(level && this.getWlxmlTag() !== 'span') {
                 toret.append('\n' + (new Array(level * 2 + 1)).join(' '));
             }
-            if(this.data('orig-append') && this.data('orig-append').length) {
-                this.data('orig-append').forEach(function(toAdd) {
-                    if(toAdd)
-                        node.prepend(toAdd);
-                });
-            } else if(this.getWlxmlTag() !== 'span'){
+
+            toret.append(node);
+
+            if(this.data('orig-after')) {
+                toret.append(document.createTextNode(this.data('orig-after')));
+            }
+
+            /* Inside node */
+            if(this.data('orig-begin')) {
+                node.prepend(this.data('orig-begin'));
+                formattings.begin = true;
+            }
+
+            if(this.data('orig-end') !== undefined) {
+                if(this.data('orig-end')) {
+                    node.append(this.data('orig-end'));
+                }
+            } else if(this.getWlxmlTag() !== 'span' && children.length){
                 node.append('\n' + (new Array(level * 2 + 1)).join(' '));
             }
-            toret.append(node);
-            return toret.contents();
+           
+            return {parts: toret.contents(), formattings: formattings};
         }.bind(this);
 
-        var parts = addFormatting(node);
+        
         
         var children = this.children(),
-            childParts,
-            prevChildParts;
+            childParts;
 
-        var containsPrefixAndSuffix = function(idx) {
-            if(idx === children.length - 1 && node.contents().length === 2)
-                return true;
-            if(prevChildParts && prevChildParts.length > 1 && prevChildParts[0].nodeType === Node.TEXT_NODE && prevChildParts[1].nodeType === Node.TEXT_NODE)
-                return true;
-            return false;
-        }
+        var formatting = addFormatting(node);
 
         for(var i = children.length - 1; i >= 0; i--) {
             childParts = children[i].toXML(level + 1);
             if(typeof childParts === 'string')
                 childParts = [document.createTextNode(childParts)];
 
-            if(containsPrefixAndSuffix(i) && children[i] instanceof DocumentTextElement) {
+            if(formatting.formattings.begin) {
                 $(node.contents()[0]).after(childParts);
-            } else {
+            } else
                 node.prepend(childParts);
-            }
-            prevChildParts = childParts;
         }
-        return parts;
+        return formatting.parts;
     },
     append: function(params) {
         if(params.tag !== 'span')
-            this.data('orig-append', []);
+            this.data('orig-ends', undefined);
         return manipulate(this, params, 'append');
     },
     before: function(params) {