bug fixes:

editor/base/nsEditor.cpp

@@ -2178,20 +2178,8 @@ NS_IMETHODIMP nsEditor::OutputToStream(nsIOutputStream* aOutputStream,
 NS_IMETHODIMP
 nsEditor::DumpContentTree()
 {
-  nsCOMPtr<nsIDocument> thedoc;
-  nsCOMPtr<nsIPresShell> presShell;
-  if (NS_SUCCEEDED(GetPresShell(getter_AddRefs(presShell))))
-  {
-    presShell->GetDocument(getter_AddRefs(thedoc));
-    if (thedoc) {
-      nsIContent* root = thedoc->GetRootContent();
-      if (nsnull != root) {
-        root->List(stdout);
-        NS_RELEASE(root);
-      }
-    }
-  }
-
+  nsCOMPtr<nsIContent> root = do_QueryInterface(mBodyElement);
+  if (root)  root->List(stdout);
   return NS_OK;
 }
 

editor/base/nsEditor.h

@@ -605,7 +605,7 @@ public:
   /** returns PR_TRUE if aParent can contain a child of type aTag */
   PRBool CanContainTag(nsIDOMNode* aParent, const nsString &aTag);
   PRBool TagCanContain(const nsString &aParentTag, nsIDOMNode* aChild);
-  PRBool TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag);
+  virtual PRBool TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag);
 
   /** returns PR_TRUE if aNode is a descendant of our root node */
   PRBool IsDescendantOfBody(nsIDOMNode *inNode);

editor/base/nsHTMLEditRules.cpp

@@ -520,7 +520,34 @@ nsHTMLEditRules::GetParagraphState(PRBool &aMixed, nsString &outFormat)
     nsCOMPtr<nsIAtom> atom = mEditor->GetTag(curNode);
     
     if (mEditor->IsInlineNode(curNode))
-      format.AssignWithConversion("");
+    {
+      nsCOMPtr<nsIDOMNode> block = mEditor->GetBlockNodeParent(curNode);
+      if (block)
+      {
+        nsCOMPtr<nsIAtom> blockAtom = mEditor->GetTag(block);
+        if ( nsIEditProperty::p == blockAtom.get()           ||
+             nsIEditProperty::blockquote == blockAtom.get()  ||
+             nsIEditProperty::address == blockAtom.get()     ||
+             nsIEditProperty::pre == blockAtom.get()           )
+        {
+          blockAtom->ToString(format);
+        }
+        else if (nsHTMLEditUtils::IsHeader(block))
+        {
+          nsAutoString tag;
+          nsEditor::GetTagString(block,tag);
+          format = tag;
+        }
+        else
+        {
+          format.AssignWithConversion("");
+        }
+      }
+      else
+      {
+        format.AssignWithConversion("");
+      }  
+    }    
     else if (nsHTMLEditUtils::IsHeader(curNode))
     {
       nsAutoString tag;
@@ -530,9 +557,7 @@ nsHTMLEditRules::GetParagraphState(PRBool &aMixed, nsString &outFormat)
     else if (nsIEditProperty::p == atom.get()           ||
              nsIEditProperty::blockquote == atom.get()  ||
              nsIEditProperty::address == atom.get()     ||
-             nsIEditProperty::pre == atom.get()         ||
-             nsIEditProperty::dt == atom.get()          ||
-             nsIEditProperty::dd == atom.get() )
+             nsIEditProperty::pre == atom.get()           )
     {
       atom->ToString(format);
     }
@@ -2224,12 +2249,29 @@ nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection,
   if (outMakeEmpty) 
   {
     PRInt32 offset;
-    nsCOMPtr<nsIDOMNode> brNode, parent, theDiv;
+    nsCOMPtr<nsIDOMNode> brNode, parent, theDiv, sib;
     nsAutoString divType; divType.AssignWithConversion("div");
     res = mEditor->GetStartNodeAndOffset(aSelection, &parent, &offset);
     if (NS_FAILED(res)) return res;
     res = SplitAsNeeded(&divType, &parent, &offset);
     if (NS_FAILED(res)) return res;
+    // consume a trailing br, if any.  This is to keep an alignment from
+    // creating extra lines, if possible.
+    res = mEditor->GetNextHTMLNode(parent, offset, &brNode);
+    if (NS_FAILED(res)) return res;
+    if (nsHTMLEditUtils::IsBreak(brNode))
+    {
+      // making use of html structure... if next node after where
+      // we are putting our div is not a block, then the br we 
+      // found is in same block we are, so its safe to consume it.
+      res = mEditor->GetNextHTMLSibling(parent, offset, &sib);
+      if (NS_FAILED(res)) return res;
+      if (!nsEditor::IsBlockNode(sib))
+      {
+        res = mEditor->DeleteNode(brNode);
+        if (NS_FAILED(res)) return res;
+      }
+    }
     res = mEditor->CreateNode(divType, parent, offset, getter_AddRefs(theDiv));
     if (NS_FAILED(res)) return res;
     // set up the alignment on the div
@@ -3662,8 +3704,8 @@ nsHTMLEditRules::ShouldMakeEmptyBlock(nsIDOMSelection *aSelection,
     res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
     if (NS_FAILED(res)) return res;
     
-    // is selection point in the body?
-    if (nsHTMLEditUtils::IsBody(parent))
+    // is selection point in the body? or a cell?
+    if (nsHTMLEditUtils::IsBody(parent) || mEditor->IsTableCell(parent))
     {
       *outMakeEmpty = PR_TRUE;
       return res;

editor/base/nsHTMLEditor.cpp

@@ -5794,19 +5794,39 @@ nsHTMLEditor::EndOperation(PRInt32 opID, nsIEditor::EDirection aDirection)
 
 
 PRBool 
-nsHTMLEditor::CanContainTag(nsIDOMNode* aParent, const nsString &aTag)
+nsHTMLEditor::TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag)
 {
   // CNavDTD gives some unwanted results.  We override them here.
-  // if parent is a list and tag is text, say "no". 
-  if (IsListNode(aParent) && (aTag.EqualsWithConversion("__moz_text")))
-    return PR_FALSE;
-  // if both are lists, return true
-  if (IsListNode(aParent) && 
-     ( aTag.EqualsWithConversion("ol") ||
-       aTag.EqualsWithConversion("ul") ) )
-    return PR_TRUE;
+
+  if ( aParentTag.EqualsWithConversion("ol") ||
+       aParentTag.EqualsWithConversion("ul") )
+  {
+    // if parent is a list and tag is text, say "no". 
+    if (aChildTag.EqualsWithConversion("__moz_text"))
+      return PR_FALSE;
+    // if both are lists, return true
+    if (aChildTag.EqualsWithConversion("ol") ||
+        aChildTag.EqualsWithConversion("ul") ) 
+      return PR_TRUE;
+  }
+  
+  // if parent is a pre, and child is not inline, say "no"
+  if ( aParentTag.EqualsWithConversion("pre") )
+  {
+    if (aChildTag.EqualsWithConversion("__moz_text"))
+      return PR_TRUE;
+    PRInt32 childTagEnum, parentTagEnum;
+    nsAutoString non_const_childTag(aChildTag);
+    nsAutoString non_const_parentTag(aParentTag);
+    nsresult res = mDTD->StringTagToIntTag(non_const_childTag,&childTagEnum);
+    if (NS_FAILED(res)) return PR_FALSE;
+    res = mDTD->StringTagToIntTag(non_const_parentTag,&parentTagEnum);
+    if (NS_FAILED(res)) return PR_FALSE;
+    if (!mDTD->IsInlineElement(childTagEnum,parentTagEnum))
+      return PR_FALSE;
+  }
   // else fall thru
-  return nsEditor::CanContainTag(aParent, aTag);
+  return nsEditor::TagCanContainTag(aParentTag, aChildTag);
 }
 
 

editor/base/nsHTMLEditor.h

@@ -286,8 +286,8 @@ public:
    *  with a call to EndOperation, naming the action and direction */
   NS_IMETHOD EndOperation(PRInt32 opID, nsIEditor::EDirection aDirection);
 
-  /** returns PR_TRUE if aParent can contain a child of type aTag */
-  PRBool CanContainTag(nsIDOMNode* aParent, const nsString &aTag);
+  /** returns PR_TRUE if aParentTag can contain a child of type aChildTag */
+  virtual PRBool TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag);
   
   /** make the given selection span the entire document */
   NS_IMETHOD SelectEntireDocument(nsIDOMSelection *aSelection);

editor/base/nsTextEditRules.cpp

@@ -555,6 +555,7 @@ nsTextEditRules::DidInsertBreak(nsIDOMSelection *aSelection, nsresult aResult)
       if (NS_FAILED(res)) return res;
     }
   }
+//  mEditor->DumpContentTree();
   return res;
 }
 

editor/libeditor/base/nsEditor.cpp

@@ -2178,20 +2178,8 @@ NS_IMETHODIMP nsEditor::OutputToStream(nsIOutputStream* aOutputStream,
 NS_IMETHODIMP
 nsEditor::DumpContentTree()
 {
-  nsCOMPtr<nsIDocument> thedoc;
-  nsCOMPtr<nsIPresShell> presShell;
-  if (NS_SUCCEEDED(GetPresShell(getter_AddRefs(presShell))))
-  {
-    presShell->GetDocument(getter_AddRefs(thedoc));
-    if (thedoc) {
-      nsIContent* root = thedoc->GetRootContent();
-      if (nsnull != root) {
-        root->List(stdout);
-        NS_RELEASE(root);
-      }
-    }
-  }
-
+  nsCOMPtr<nsIContent> root = do_QueryInterface(mBodyElement);
+  if (root)  root->List(stdout);
   return NS_OK;
 }
 

editor/libeditor/base/nsEditor.h

@@ -605,7 +605,7 @@ public:
   /** returns PR_TRUE if aParent can contain a child of type aTag */
   PRBool CanContainTag(nsIDOMNode* aParent, const nsString &aTag);
   PRBool TagCanContain(const nsString &aParentTag, nsIDOMNode* aChild);
-  PRBool TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag);
+  virtual PRBool TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag);
 
   /** returns PR_TRUE if aNode is a descendant of our root node */
   PRBool IsDescendantOfBody(nsIDOMNode *inNode);

editor/libeditor/html/nsHTMLEditRules.cpp

@@ -520,7 +520,34 @@ nsHTMLEditRules::GetParagraphState(PRBool &aMixed, nsString &outFormat)
     nsCOMPtr<nsIAtom> atom = mEditor->GetTag(curNode);
     
     if (mEditor->IsInlineNode(curNode))
-      format.AssignWithConversion("");
+    {
+      nsCOMPtr<nsIDOMNode> block = mEditor->GetBlockNodeParent(curNode);
+      if (block)
+      {
+        nsCOMPtr<nsIAtom> blockAtom = mEditor->GetTag(block);
+        if ( nsIEditProperty::p == blockAtom.get()           ||
+             nsIEditProperty::blockquote == blockAtom.get()  ||
+             nsIEditProperty::address == blockAtom.get()     ||
+             nsIEditProperty::pre == blockAtom.get()           )
+        {
+          blockAtom->ToString(format);
+        }
+        else if (nsHTMLEditUtils::IsHeader(block))
+        {
+          nsAutoString tag;
+          nsEditor::GetTagString(block,tag);
+          format = tag;
+        }
+        else
+        {
+          format.AssignWithConversion("");
+        }
+      }
+      else
+      {
+        format.AssignWithConversion("");
+      }  
+    }    
     else if (nsHTMLEditUtils::IsHeader(curNode))
     {
       nsAutoString tag;
@@ -530,9 +557,7 @@ nsHTMLEditRules::GetParagraphState(PRBool &aMixed, nsString &outFormat)
     else if (nsIEditProperty::p == atom.get()           ||
              nsIEditProperty::blockquote == atom.get()  ||
              nsIEditProperty::address == atom.get()     ||
-             nsIEditProperty::pre == atom.get()         ||
-             nsIEditProperty::dt == atom.get()          ||
-             nsIEditProperty::dd == atom.get() )
+             nsIEditProperty::pre == atom.get()           )
     {
       atom->ToString(format);
     }
@@ -2224,12 +2249,29 @@ nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection,
   if (outMakeEmpty) 
   {
     PRInt32 offset;
-    nsCOMPtr<nsIDOMNode> brNode, parent, theDiv;
+    nsCOMPtr<nsIDOMNode> brNode, parent, theDiv, sib;
     nsAutoString divType; divType.AssignWithConversion("div");
     res = mEditor->GetStartNodeAndOffset(aSelection, &parent, &offset);
     if (NS_FAILED(res)) return res;
     res = SplitAsNeeded(&divType, &parent, &offset);
     if (NS_FAILED(res)) return res;
+    // consume a trailing br, if any.  This is to keep an alignment from
+    // creating extra lines, if possible.
+    res = mEditor->GetNextHTMLNode(parent, offset, &brNode);
+    if (NS_FAILED(res)) return res;
+    if (nsHTMLEditUtils::IsBreak(brNode))
+    {
+      // making use of html structure... if next node after where
+      // we are putting our div is not a block, then the br we 
+      // found is in same block we are, so its safe to consume it.
+      res = mEditor->GetNextHTMLSibling(parent, offset, &sib);
+      if (NS_FAILED(res)) return res;
+      if (!nsEditor::IsBlockNode(sib))
+      {
+        res = mEditor->DeleteNode(brNode);
+        if (NS_FAILED(res)) return res;
+      }
+    }
     res = mEditor->CreateNode(divType, parent, offset, getter_AddRefs(theDiv));
     if (NS_FAILED(res)) return res;
     // set up the alignment on the div
@@ -3662,8 +3704,8 @@ nsHTMLEditRules::ShouldMakeEmptyBlock(nsIDOMSelection *aSelection,
     res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
     if (NS_FAILED(res)) return res;
     
-    // is selection point in the body?
-    if (nsHTMLEditUtils::IsBody(parent))
+    // is selection point in the body? or a cell?
+    if (nsHTMLEditUtils::IsBody(parent) || mEditor->IsTableCell(parent))
     {
       *outMakeEmpty = PR_TRUE;
       return res;

editor/libeditor/html/nsHTMLEditor.cpp

@@ -5794,19 +5794,39 @@ nsHTMLEditor::EndOperation(PRInt32 opID, nsIEditor::EDirection aDirection)
 
 
 PRBool 
-nsHTMLEditor::CanContainTag(nsIDOMNode* aParent, const nsString &aTag)
+nsHTMLEditor::TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag)
 {
   // CNavDTD gives some unwanted results.  We override them here.
-  // if parent is a list and tag is text, say "no". 
-  if (IsListNode(aParent) && (aTag.EqualsWithConversion("__moz_text")))
-    return PR_FALSE;
-  // if both are lists, return true
-  if (IsListNode(aParent) && 
-     ( aTag.EqualsWithConversion("ol") ||
-       aTag.EqualsWithConversion("ul") ) )
-    return PR_TRUE;
+
+  if ( aParentTag.EqualsWithConversion("ol") ||
+       aParentTag.EqualsWithConversion("ul") )
+  {
+    // if parent is a list and tag is text, say "no". 
+    if (aChildTag.EqualsWithConversion("__moz_text"))
+      return PR_FALSE;
+    // if both are lists, return true
+    if (aChildTag.EqualsWithConversion("ol") ||
+        aChildTag.EqualsWithConversion("ul") ) 
+      return PR_TRUE;
+  }
+  
+  // if parent is a pre, and child is not inline, say "no"
+  if ( aParentTag.EqualsWithConversion("pre") )
+  {
+    if (aChildTag.EqualsWithConversion("__moz_text"))
+      return PR_TRUE;
+    PRInt32 childTagEnum, parentTagEnum;
+    nsAutoString non_const_childTag(aChildTag);
+    nsAutoString non_const_parentTag(aParentTag);
+    nsresult res = mDTD->StringTagToIntTag(non_const_childTag,&childTagEnum);
+    if (NS_FAILED(res)) return PR_FALSE;
+    res = mDTD->StringTagToIntTag(non_const_parentTag,&parentTagEnum);
+    if (NS_FAILED(res)) return PR_FALSE;
+    if (!mDTD->IsInlineElement(childTagEnum,parentTagEnum))
+      return PR_FALSE;
+  }
   // else fall thru
-  return nsEditor::CanContainTag(aParent, aTag);
+  return nsEditor::TagCanContainTag(aParentTag, aChildTag);
 }
 
 

editor/libeditor/html/nsHTMLEditor.h

@@ -286,8 +286,8 @@ public:
    *  with a call to EndOperation, naming the action and direction */
   NS_IMETHOD EndOperation(PRInt32 opID, nsIEditor::EDirection aDirection);
 
-  /** returns PR_TRUE if aParent can contain a child of type aTag */
-  PRBool CanContainTag(nsIDOMNode* aParent, const nsString &aTag);
+  /** returns PR_TRUE if aParentTag can contain a child of type aChildTag */
+  virtual PRBool TagCanContainTag(const nsString &aParentTag, const nsString &aChildTag);
   
   /** make the given selection span the entire document */
   NS_IMETHOD SelectEntireDocument(nsIDOMSelection *aSelection);

editor/libeditor/text/nsTextEditRules.cpp

@@ -555,6 +555,7 @@ nsTextEditRules::DidInsertBreak(nsIDOMSelection *aSelection, nsresult aResult)
       if (NS_FAILED(res)) return res;
     }
   }
+//  mEditor->DumpContentTree();
   return res;
 }