From ec10eee3168f37beedfb5dea757a4bdec2f2f36e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Fri, 1 Aug 2014 14:33:36 +0200
Subject: [PATCH 1/1] splitting blocks from spans

---
 src/editor/plugins/core/core.js      | 48 +++++++++++++++--
 src/editor/plugins/core/core.test.js | 78 ++++++++++++++++++++++++++++
 2 files changed, 123 insertions(+), 3 deletions(-)

diff --git a/src/editor/plugins/core/core.js b/src/editor/plugins/core/core.js
index 0ac9cff..425b161 100644
--- a/src/editor/plugins/core/core.js
+++ b/src/editor/plugins/core/core.js
@@ -19,6 +19,7 @@ plugin.documentExtension.textNode.transformations = {
     breakContent: {
         impl: function(args) {
             var node = this,
+                isSpan = node.parent().getTagName() === 'span',
                 parentDescribingNodes = [],
                 newNodes, emptyText;
             newNodes = node.split({offset: args.offset});
@@ -40,10 +41,51 @@ plugin.documentExtension.textNode.transformations = {
             parentDescribingNodes.forEach(function(node) {
                 newNodes.first.append(node);
             });
+
+            var parent, newNode;
+
+            var copyNode = function(n) {
+                var attrs = {};
+                n.getAttrs().forEach(function(attr) {
+                    attrs[attr.name] = attr.value;
+                });
+
+                return node.document.createDocumentNode({
+                    tagName: n.getTagName(),
+                    attrs: attrs
+                });
+            };
+
+            var move = function(node, to) {
+                var copy;
+                if(!node.containsNode(newNodes.second)) {
+                    to.append(node);
+                    return false;
+                } else {
+                    if(!node.sameNode(newNodes.second)) {
+                        copy = to.append(copyNode(node));
+                        node.contents().some(function(n) {
+                            return move(n, copy);
+                        });
+                    }
+                    return true;
+                }
+            };
+
+            if(isSpan) {
+                newNodes.first.parents().some(function(p) {
+                    if(p.getTagName() !== 'span') {
+                        parent = p;
+                        return true;
+                    }
+                });
+                newNode = parent.before({tagName: parent.getTagName(), attrs: {'class': parent.getClass()}});
+                parent.contents().some(function(n) {
+                    return move(n, newNode);
+                });
+            }
+
             return _.extend(newNodes, {emptyText: emptyText});
-        },
-        getChangeRoot: function() {
-            return this.context.parent().parent();
         }
     },
     mergeContentUp: function() {
diff --git a/src/editor/plugins/core/core.test.js b/src/editor/plugins/core/core.test.js
index 6a1bd32..62d734d 100644
--- a/src/editor/plugins/core/core.test.js
+++ b/src/editor/plugins/core/core.test.js
@@ -463,6 +463,84 @@ describe('Keyboard interactions', function() {
             expect(selection.element.sameNode(getTextElement('', c))).to.equal(true);
             expect(selection.offset).to.equal(0);
         });
+
+        it('splits its parent box if inside a span', function() {
+            var c = getCanvasFromXML('<section><div class="p">this <span>is</span> a paragraph</div></section>'),
+                k = new Keyboard(c);
+
+            k.withCaret('i|s').press(K.ENTER);
+
+            var rootContents = c.wlxmlDocument.root.contents();
+
+            expect(rootContents.length).to.equal(2);
+
+            var p1 = rootContents[0],
+                p2 = rootContents[1];
+
+            expect(p1.is({tagName: 'div', klass: 'p'})).to.equal(true);
+            expect(p2.is({tagName: 'div', klass: 'p'})).to.equal(true);
+
+            var p1Contents = p1.contents(),
+                p2Contents = p2.contents();
+
+            expect(p1Contents[0].getText()).to.equal('this ');
+            expect(p1Contents[1].is({tagName: 'span'})).to.equal(true);
+            expect(p1Contents[1].contents()[0].getText()).to.equal('i');
+
+            
+            expect(p2Contents[0].is({tagName: 'span'})).to.equal(true);
+            expect(p2Contents[0].contents()[0].getText()).to.equal('s');
+            expect(p2Contents[1].getText()).to.equal(' a paragraph');
+
+            var selection = c.getSelection();
+            expect(selection.element.sameNode(getTextElement('s', c))).to.equal(true);
+            expect(selection.offset).to.equal(0);
+        });
+
+        it('splits its parent box if inside a double span', function() {
+            var c = getCanvasFromXML('<section><div class="p">this <span test="outer"><span test="inner">is</span></span> a paragraph</div></section>'),
+                k = new Keyboard(c);
+
+            k.withCaret('i|s').press(K.ENTER);
+
+            var rootContents = c.wlxmlDocument.root.contents();
+
+            expect(rootContents.length).to.equal(2);
+
+            var p1 = rootContents[0],
+                p2 = rootContents[1];
+
+            expect(p1.is({tagName: 'div', klass: 'p'})).to.equal(true);
+            expect(p2.is({tagName: 'div', klass: 'p'})).to.equal(true);
+
+            var p1Contents = p1.contents(),
+                p2Contents = p2.contents();
+
+            /* first paragraph */
+            expect(p1Contents[0].getText()).to.equal('this ');
+            
+            var outer1 = p1Contents[1];
+            expect(outer1.getAttr('test')).to.equal('outer');
+            expect(outer1.contents().length).to.equal(1);
+            var inner1 = outer1.contents()[0];
+            expect(inner1.getAttr('test')).to.equal('inner');
+            expect(inner1.contents()[0].getText()).to.equal('i');
+
+            /* second paragraph */
+            var outer2 = p2Contents[0];
+            expect(outer2.getAttr('test')).to.equal('outer');
+            expect(outer2.contents().length).to.equal(1);
+            var inner2 = outer2.contents()[0];
+            expect(inner2.getAttr('test')).to.equal('inner');
+            expect(inner2.contents()[0].getText()).to.equal('s');
+
+            expect(p2Contents[1].getText()).to.equal(' a paragraph');
+
+            /* caret */
+            var selection = c.getSelection();
+            expect(selection.element.sameNode(getTextElement('s', c))).to.equal(true);
+            expect(selection.offset).to.equal(0);
+        });
     });
 
 
-- 
2.20.1