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some reorg of block transformation code; implemented make-{header,preformatted,address,normal}; tweaked make list to honor <br> in some circumstances; rewrote "return in list item" to pop you out of list if item is empty; rewrote "return in header" to work with non-trivial headers.

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This commit is contained in:
jfrancis%netscape.com 1999-08-18 08:13:06 +00:00
parent d993dbf90c
commit a099b1e5b6
12 changed files with 1052 additions and 438 deletions
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7
editor/base/nsEditor.cpp
View File

@ -3153,7 +3153,8 @@ nsEditor::GetTag(nsIDOMNode *aNode)
}
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
content->GetTag(*getter_AddRefs(atom));
if (content)
content->GetTag(*getter_AddRefs(atom));
return atom;
}
@ -3407,7 +3408,7 @@ nsEditor::NextNodeInBlock(nsIDOMNode *aNode, IterDirection aDir)
if (NS_FAILED(iter->CurrentNode(getter_AddRefs(content)))) return nullNode;
// ignore nodes that aren't elements or text, or that are the block parent
node = do_QueryInterface(content);
if (node && IsTextOrElementNode(node) && (node != blockParent) && (node!=nsCOMPtr<nsIDOMNode>(dont_QueryInterface(aNode))))
if (node && IsTextOrElementNode(node) && (node != blockParent) && (node.get() != aNode))
return node;
if (aDir == kIterForward)
@ -3680,7 +3681,7 @@ nsEditor::SplitNodeDeep(nsIDOMNode *aNode,
if (!nodeAsText || (offset && (offset != textLen)))
{
bDoSplit = PR_TRUE;
nsresult res = SplitNode(nodeToSplit, offset, getter_AddRefs(tempNode));
res = SplitNode(nodeToSplit, offset, getter_AddRefs(tempNode));
if (NS_FAILED(res)) return res;
}

652
editor/base/nsHTMLEditRules.cpp
View File

@ -107,12 +107,8 @@ nsHTMLEditRules::WillDoAction(nsIDOMSelection *aSelection,
return WillOutdent(aSelection, aCancel);
case kAlign:
return WillAlign(aSelection, info->alignType, aCancel);
case kMakeHeader:
return WillMakeHeader(aSelection, aCancel);
case kMakeAddress:
return WillMakeAddress(aSelection, aCancel);
case kMakePRE:
return WillMakePRE(aSelection, aCancel);
case kMakeBasicBlock:
return WillMakeBasicBlock(aSelection, info->blockType, aCancel);
case kInsertElement:
return WillInsert(aSelection, aCancel);
}
@ -258,7 +254,13 @@ nsHTMLEditRules::WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel)
return mEditor->InsertText(theString);
}
nsCOMPtr<nsIDOMNode> blockParent = mEditor->GetBlockNodeParent(node);
nsCOMPtr<nsIDOMNode> blockParent;
if (nsEditor::IsBlockNode(node))
blockParent = node;
else
blockParent = mEditor->GetBlockNodeParent(node);
if (!blockParent) return NS_ERROR_FAILURE;
// headers: put selection after the header
@ -521,45 +523,18 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_FALSE;
nsAutoString blockType("ul");
if (aOrdered) blockType = "ol";
nsAutoSelectionReset selectionResetter(aSelection);
nsresult res;
// check for collapsed selection in empty block or after a <br>.
// Either way, we want to get the default behavior of creating
// an empty list.
PRBool isCollapsed;
res = aSelection->GetIsCollapsed(&isCollapsed);
PRBool outMakeEmpty;
res = ShouldMakeEmptyBlock(aSelection, &blockType, &outMakeEmpty);
if (NS_FAILED(res)) return res;
if (isCollapsed)
{
// is it after a <br>? Two possibilities: selection right after <br>;
// and selection at front of text node following <br>
nsCOMPtr<nsIDOMNode> parent, prevChild;
PRInt32 offset;
res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
if (nsEditor::IsTextNode(parent) && !offset)
{
nsCOMPtr<nsIDOMNode> node = parent;
res = nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
}
if (offset)
{
prevChild = nsEditor::GetChildAt(parent, offset-1);
if (prevChild && IsBreak(prevChild))
return NS_OK; // insertion point after break
}
// otherwise check for being in an empty block
PRBool isEmptyBlock;
res = IsEmptyBlock(parent, &isEmptyBlock);
if (NS_FAILED(res)) return res;
if (isEmptyBlock) return NS_OK;
}
if (outMakeEmpty) return NS_OK;
// ok, we aren't vreating a new empty list. Instead we are converting
// ok, we aren't creating a new empty list. Instead we are converting
// the set of blocks implied by the selection into a list.
// convert the selection ranges into "promoted" selection ranges:
@ -578,13 +553,6 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kMakeList);
if (NS_FAILED(res)) return res;
// if we ended up with any nodes in the list that aren't blocknodes,
// find their block parent instead and use that.
// i started writing this and then the sky fell. there are big questions
// about what to do here. i may need to switch from thinking about an array of
// nodes to act on to instead think of an array of ranges to act on.
// Remove all non-editable nodes. Leave them be.
PRUint32 listCount;
@ -621,7 +589,7 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
nsCOMPtr <nsIDOMNode> tmpNode = nsEditor::GetChildAt(curNode, 0);
if (IsDiv(tmpNode) || IsOrderedList(tmpNode) || IsUnorderedList(tmpNode) || IsBlockquote(tmpNode))
{
// check editablility XXX moose
// check editablility XXX floppy moose
curNode = tmpNode;
}
else break;
@ -673,7 +641,6 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
{
// make a new ordered list, insert it where the current unordered list is,
// and move all the children to the new list, and remove the old list
nsAutoString blockType("ol");
res = ReplaceContainer(curNode,&newBlock,blockType);
if (NS_FAILED(res)) return res;
curList = newBlock;
@ -692,7 +659,6 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
{
// make a new unordered list, insert it where the current ordered list is,
// and move all the children to the new list, and remove the old list
nsAutoString blockType("ul");
ReplaceContainer(curNode,&newBlock,blockType);
if (NS_FAILED(res)) return res;
curList = newBlock;
@ -707,7 +673,7 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
}
else if (IsDiv(curNode) || IsBlockquote(curNode))
{
// XXX moose
// XXX floppy moose
}
} // lonely node
@ -724,7 +690,7 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
prevListItem = 0;
}
// if curNode is a Break, delete it, and quit remember prev list item
// if curNode is a Break, delete it, and quit remembering prev list item
if (IsBreak(curNode))
{
res = mEditor->DeleteNode(curNode);
@ -781,53 +747,35 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
nsresult
nsHTMLEditRules::WillMakeHeader(nsIDOMSelection *aSelection, PRBool *aCancel)
nsHTMLEditRules::WillMakeBasicBlock(nsIDOMSelection *aSelection, const nsString *aBlockType, PRBool *aCancel)
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_TRUE;
*aCancel = PR_FALSE;
PRBool makeEmpty;
nsresult res = ShouldMakeEmptyBlock(aSelection, aBlockType, &makeEmpty);
if (NS_FAILED(res)) return res;
if (makeEmpty) return res; // just insert a new empty block
// else it's not that easy...
nsAutoSelectionReset selectionResetter(aSelection);
nsresult res;
// Get the ranges for each break-delimited block
nsCOMPtr<nsIEnumerator> enumerator;
res = aSelection->GetEnumerator(getter_AddRefs(enumerator));
if (NS_SUCCEEDED(res) && enumerator)
{
for (enumerator->First(); NS_OK!=enumerator->IsDone(); enumerator->Next())
{
nsCOMPtr<nsISupports> currentItem;
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
if ((NS_SUCCEEDED(res)) && (currentItem))
{
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
PRBool isCollapsed;
range->GetIsCollapsed(&isCollapsed);
if (PR_FALSE==isCollapsed) // don't make headers out of empty ranges
{
nsCOMPtr<nsISupportsArray> arrayOfRanges;
res = mEditor->GetBlockSectionsForRange(range, arrayOfRanges);
PRUint32 rangeCount;
res = arrayOfRanges->Count(&rangeCount);
if (NS_FAILED(res)) return res;
PRInt32 i;
nsCOMPtr<nsIDOMRange> opRange;
nsCOMPtr<nsISupports> isupports;
*aCancel = PR_TRUE;
for (i = 0; i < rangeCount; i++)
{
isupports = (dont_AddRef)(arrayOfRanges->ElementAt(i));
opRange = do_QueryInterface(isupports);
// ConvertRangeToTag
}
}
}
}
}
// unfinished, just return NS_OK for now
return NS_OK;
nsCOMPtr<nsISupportsArray> arrayOfRanges;
res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeBasicBlock);
if (NS_FAILED(res)) return res;
// use these ranges to contruct a list of nodes to act on.
nsCOMPtr<nsISupportsArray> arrayOfNodes;
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kMakeBasicBlock);
if (NS_FAILED(res)) return res;
// Ok, now go through all the nodes and make the right kind of blocks,
// or whatever is approriate. Wohoo!
res = ApplyBlockStyle(arrayOfNodes, aBlockType);
return res;
}
@ -1015,15 +963,22 @@ nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection, const nsString *alignTyp
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_TRUE;
*aCancel = PR_FALSE;
nsAutoSelectionReset selectionResetter(aSelection);
nsresult res = NS_OK;
PRBool outMakeEmpty;
res = ShouldMakeEmptyBlock(aSelection, alignType, &outMakeEmpty);
if (NS_FAILED(res)) return res;
if (outMakeEmpty) return NS_OK;
// convert the selection ranges into "promoted" selection ranges:
// this basically just expands the range to include the immediate
// block parent, and then further expands to include any ancestors
// whose children are all in the range
*aCancel = PR_TRUE;
nsCOMPtr<nsISupportsArray> arrayOfRanges;
res = GetPromotedRanges(aSelection, &arrayOfRanges, kAlign);
@ -1100,32 +1055,6 @@ nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection, const nsString *alignTyp
nsresult
nsHTMLEditRules::WillMakeAddress(nsIDOMSelection *aSelection, PRBool *aCancel)
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_FALSE;
nsresult res = NS_OK;
return res;
}
nsresult
nsHTMLEditRules::WillMakePRE(nsIDOMSelection *aSelection, PRBool *aCancel)
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_FALSE;
nsresult res = NS_OK;
return res;
}
/********************************************************
* helper methods
********************************************************/
@ -1186,6 +1115,24 @@ nsHTMLEditRules::IsListItem(nsIDOMNode *node)
}
///////////////////////////////////////////////////////////////////////////
// IsList: true if node an html list
//
PRBool
nsHTMLEditRules::IsList(nsIDOMNode *node)
{
NS_PRECONDITION(node, "null parent passed to nsHTMLEditRules::IsList");
nsAutoString tag;
nsEditor::GetTagString(node,tag);
if ( (tag == "ol") ||
(tag == "ul") )
{
return PR_TRUE;
}
return PR_FALSE;
}
///////////////////////////////////////////////////////////////////////////
// IsOrderedList: true if node an html orderd list
//
@ -1345,6 +1292,9 @@ nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock)
}
else // an editable, non-text node. we aren't an empty block
{
// is it the node we are iterating over?
if (node.get() == aNode) break;
// otherwise it ain't empty
*outIsEmptyBlock = PR_FALSE;
}
}
@ -1451,12 +1401,21 @@ nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt
nsCOMPtr<nsIDOMNode> parent = aNode;
PRInt32 offset = aOffset;
if (IsBody(aNode))
{
// we cant go any higher
*outNode = do_QueryInterface(aNode);
*outOffset = aOffset;
return res;
}
if (aWhere == kStart)
{
// some special casing for text nodes
if (nsEditor::IsTextNode(aNode))
{
nsEditor::GetNodeLocation(aNode, &parent, &offset);
res = nsEditor::GetNodeLocation(aNode, &parent, &offset);
if (NS_FAILED(res)) return res;
}
else
{
@ -1464,26 +1423,38 @@ nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt
if (!node) node = parent;
}
// if this is an inline node, back up through any prior inline nodes that
// aren't across a <br> from us, and that are enclosed in the same block.
// if this is an inline node who's block parent is the body,
// back up through any prior inline nodes that
// aren't across a <br> from us.
if (!nsEditor::IsBlockNode(node))
{
nsCOMPtr<nsIDOMNode> prevNode;
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
while (prevNode)
nsCOMPtr<nsIDOMNode> block = nsEditor::GetBlockNodeParent(node);
if (IsBody(block))
{
if (IsBreak(prevNode))
break;
if (nsEditor::IsBlockNode(prevNode))
break;
node = prevNode;
nsCOMPtr<nsIDOMNode> prevNode;
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
while (prevNode)
{
if (IsBreak(prevNode))
break;
if (nsEditor::IsBlockNode(prevNode))
break;
node = prevNode;
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
}
}
else
{
// just grap the whole block
node = block;
}
}
// finding the real start for this point. look up the tree for as long as we are the
// first node in the container, and as long as we haven't hit the body node.
nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
while ((IsFirstNode(node)) && (!IsBody(parent)))
{
node = parent;
@ -1508,39 +1479,49 @@ nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt
if (!node) node = parent;
}
if (node)
offset++; // since this is going to be used for a range _endpoint_, we want to be after the node
else
if (!node)
node = parent;
// if this is an inline node, look ahead through any further inline nodes that
// if this is an inline node who's block parent is the body,
// look ahead through any further inline nodes that
// aren't across a <br> from us, and that are enclosed in the same block.
if (!nsEditor::IsBlockNode(node))
{
nsCOMPtr<nsIDOMNode> nextNode;
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
while (nextNode)
nsCOMPtr<nsIDOMNode> block = nsEditor::GetBlockNodeParent(node);
if (IsBody(block))
{
if (IsBreak(nextNode))
break;
if (nsEditor::IsBlockNode(nextNode))
break;
node = nextNode;
nsCOMPtr<nsIDOMNode> nextNode;
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
while (nextNode)
{
if (IsBreak(nextNode))
break;
if (nsEditor::IsBlockNode(nextNode))
break;
node = nextNode;
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
}
}
else
{
// just grap the whole block
node = block;
}
}
// finding the real end for this point. look up the tree for as long as we are the
// last node in the container, and as long as we haven't hit the body node.
nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
while ((IsLastNode(node)) && (!IsBody(parent)))
{
node = parent;
res = nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
offset++;
}
*outNode = parent;
offset++; // add one since this in an endpoint - want to be AFTER node.
*outOffset = offset;
return res;
}
@ -1669,6 +1650,41 @@ nsHTMLEditRules::GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
///////////////////////////////////////////////////////////////////////////
// GetChildNodesForOperation:
//
nsresult
nsHTMLEditRules::GetChildNodesForOperation(nsIDOMNode *inNode,
nsCOMPtr<nsISupportsArray> *outArrayOfNodes)
{
if (!inNode || !outArrayOfNodes) return NS_ERROR_NULL_POINTER;
nsresult res = NS_NewISupportsArray(getter_AddRefs(*outArrayOfNodes));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsIDOMNodeList> childNodes;
res = inNode->GetChildNodes(getter_AddRefs(childNodes));
if (NS_FAILED(res)) return res;
PRUint32 childCount;
res = childNodes->GetLength(&childCount);
if (NS_FAILED(res)) return res;
PRUint32 i;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsISupports> isupports;
for (i = 0; i < childCount; i++)
{
res = childNodes->Item( i, getter_AddRefs(node));
if (!node) return NS_ERROR_FAILURE;
isupports = do_QueryInterface(node);
(*outArrayOfNodes)->AppendElement(isupports);
if (NS_FAILED(res)) return res;
}
return res;
}
///////////////////////////////////////////////////////////////////////////
// MakeTransitionList: detect all the transitions in the array, where a
// transition means that adjacent nodes in the array
@ -1716,7 +1732,7 @@ nsHTMLEditRules::MakeTransitionList(nsISupportsArray *inArrayOfNodes,
nsresult
nsHTMLEditRules::ReplaceContainer(nsIDOMNode *inNode,
nsCOMPtr<nsIDOMNode> *outNode,
nsString &aNodeType)
const nsString &aNodeType)
{
if (!inNode || !outNode)
return NS_ERROR_NULL_POINTER;
@ -1733,13 +1749,12 @@ nsHTMLEditRules::ReplaceContainer(nsIDOMNode *inNode,
offset = 0;
while (bHasMoreChildren)
{
inNode->GetFirstChild(getter_AddRefs(child));
inNode->GetLastChild(getter_AddRefs(child));
res = mEditor->DeleteNode(child);
if (NS_FAILED(res)) return res;
res = mEditor->InsertNode(child, *outNode, offset);
res = mEditor->InsertNode(child, *outNode, 0);
if (NS_FAILED(res)) return res;
inNode->HasChildNodes(&bHasMoreChildren);
offset++;
}
res = mEditor->DeleteNode(inNode);
return res;
@ -1952,42 +1967,43 @@ nsHTMLEditRules::InsertSpace(nsIDOMSelection *aSelection,
nsresult
nsHTMLEditRules::ReturnInHeader(nsIDOMSelection *aSelection,
nsIDOMNode *aHeader,
nsIDOMNode *aTextNode,
nsIDOMNode *aNode,
PRInt32 aOffset)
{
if (!aSelection || !aHeader || !aTextNode) return NS_ERROR_NULL_POINTER;
if (!aSelection || !aHeader || !aNode) return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsIDOMNode> leftNode;
nsCOMPtr<nsIDOMNode> textNode = do_QueryInterface(aTextNode); // to hold a ref across the delete call
// split the node
nsresult res = mEditor->SplitNode(aTextNode, aOffset, getter_AddRefs(leftNode));
// remeber where the header is
nsCOMPtr<nsIDOMNode> headerParent;
PRInt32 offset;
nsresult res = nsEditor::GetNodeLocation(aHeader, &headerParent, &offset);
if (NS_FAILED(res)) return res;
// move the right node outside of the header, via deletion/insertion
// delete the right node
res = mEditor->DeleteNode(textNode);
if (NS_FAILED(res)) return res;
// insert the right node
nsCOMPtr<nsIDOMNode> p;
aHeader->GetParentNode(getter_AddRefs(p));
PRInt32 indx = mEditor->GetIndexOf(p,aHeader);
res = mEditor->InsertNode(textNode,p,indx+1);
if (NS_FAILED(res)) return res;
// merge text node with like sibling, if any
nsCOMPtr<nsIDOMNode> sibling;
textNode->GetNextSibling(getter_AddRefs(sibling));
if (sibling && mEditor->IsTextNode(sibling) && mEditor->IsEditable(sibling))
{
res = mEditor->JoinNodes(textNode,sibling,p);
if (NS_FAILED(res)) return res;
textNode = sibling; // sibling was the node kept by the join; remember it in "textNode"
}
// position selection before inserted node
res = aSelection->Collapse(textNode,0);
// split the header
PRInt32 newOffset;
res = mEditor->SplitNodeDeep( aHeader, aNode, aOffset, &newOffset);
if (NS_FAILED(res)) return res;
// revisit the below when we move to using divs as standard paragraphs.
// need to create an "empty" div in the fisrt case below, and need to
// use a div instead of a <p> in the second case below
// if the new (righthand) header node is empty, delete it
PRBool isEmpty;
res = IsEmptyBlock(aHeader, &isEmpty);
if (NS_FAILED(res)) return res;
if (isEmpty)
{
res = mEditor->DeleteNode(aHeader);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(headerParent,offset+1);
return res;
}
// else rewrap it in a paragraph
nsCOMPtr<nsIDOMNode> newBlock;
nsAutoString blockType("p");
res = ReplaceContainer(aHeader,&newBlock,blockType);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(newBlock,0);
return res;
}
@ -2097,12 +2113,282 @@ nsHTMLEditRules::ReturnInListItem(nsIDOMSelection *aSelection,
PRInt32 aOffset)
{
if (!aSelection || !aListItem || !aNode) return NS_ERROR_NULL_POINTER;
PRInt32 newOffset;
nsresult res = mEditor->SplitNodeDeep( aListItem, aNode, aOffset, &newOffset);
nsresult res = NS_OK;
nsCOMPtr<nsIDOMNode> listitem;
// sanity check
NS_PRECONDITION(PR_TRUE == IsListItem(aListItem), "expected a list item and didnt get one");
// if we are in an empty listitem, then we want to pop up out of the list
PRBool isEmpty;
res = IsEmptyBlock(aListItem, &isEmpty);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(aNode,0);
if (isEmpty)
{
nsCOMPtr<nsIDOMNode> list, listparent;
PRInt32 offset;
list = nsEditor::GetBlockNodeParent(aListItem);
res = nsEditor::GetNodeLocation(list, &listparent, &offset);
if (NS_FAILED(res)) return res;
// are we in a sublist?
if (IsList(listparent)) //in a sublist
{
// if so, move this list item out of this list and into the grandparent list
res = mEditor->DeleteNode(aListItem);
if (NS_FAILED(res)) return res;
res = mEditor->InsertNode(aListItem,listparent,offset+1);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(aListItem,0);
}
else
{
// otherwise kill this listitem and set the selection to after the parent list
res = mEditor->DeleteNode(aListItem);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(listparent,offset+1);
}
return res;
}
// else we want a new list item at the same list level
PRInt32 newOffset;
res = mEditor->SplitNodeDeep( aListItem, aNode, aOffset, &newOffset);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(aListItem,0);
return res;
}
///////////////////////////////////////////////////////////////////////////
// ShouldMakeEmptyBlock: determine if a block transformation should make
// a new empty block, or instead transform a block
//
nsresult
nsHTMLEditRules::ShouldMakeEmptyBlock(nsIDOMSelection *aSelection,
const nsString *blockTag,
PRBool *outMakeEmpty)
{
// a note about strategy:
// this routine will be called by the rules code to figure out
// if it should do something, or let the nsHTMLEditor default
// action happen. The default action is to insert a new block.
// Note that if _nothing_ should happen, ie, the selection is
// already entireyl inside a block (or blocks) or the correct type,
// then you don't want to return true in outMakeEmpty, since the
// defualt code will insert a new empty block anyway, rather than
// doing nothing. So we have to detect that case and return false.
if (!aSelection || !outMakeEmpty) return NS_ERROR_NULL_POINTER;
nsresult res = NS_OK;
// if the selection is collapsed, and
// if we in the body, or after a <br> with
// no more inline content before the next block, then we want
// a new block. Otherwise we want to trasform a block
// xxx possible bug: selection could be not callapsed, but
// still empty. it would be nice to have a call for this: IsEmptySelection()
PRBool isCollapsed;
res = aSelection->GetIsCollapsed(&isCollapsed);
if (NS_FAILED(res)) return res;
if (isCollapsed)
{
nsCOMPtr<nsIDOMNode> parent;
PRInt32 offset;
res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
if (NS_FAILED(res)) return res;
// is selection point in the body?
if (IsBody(parent))
{
*outMakeEmpty = PR_TRUE;
return res;
}
// see if block parent is already right kind of block.
// See strategy comment above.
nsCOMPtr<nsIDOMNode> block;
if (!nsEditor::IsBlockNode(parent))
block = nsEditor::GetBlockNodeParent(parent);
else
block = parent;
if (block)
{
nsAutoString tag;
nsEditor::GetTagString(block,tag);
if (tag == *blockTag)
{
*outMakeEmpty = PR_FALSE;
return res;
}
}
// are we in a textnode or inline node?
if (!nsEditor::IsBlockNode(parent))
{
// we must be in a text or inline node - convert existing block
*outMakeEmpty = PR_FALSE;
return res;
}
// is it after a <br> with no inline nodes after it, or a <br> after it??
if (offset)
{
nsCOMPtr<nsIDOMNode> prevChild, nextChild, tmp;
prevChild = nsEditor::GetChildAt(parent, offset-1);
while (prevChild && !mEditor->IsEditable(prevChild))
{
// search back until we either find an editable node,
// or hit the beginning of the block
tmp = nsEditor::NextNodeInBlock(prevChild, nsEditor::kIterBackward);
prevChild = tmp;
}
if (prevChild && IsBreak(prevChild))
{
nextChild = nsEditor::GetChildAt(parent, offset);
while (nextChild && !mEditor->IsEditable(nextChild))
{
// search back until we either find an editable node,
// or hit the beginning of the block
tmp = nsEditor::NextNodeInBlock(nextChild, nsEditor::kIterForward);
nextChild = tmp;
}
if (!nextChild || IsBreak(nextChild) || nsEditor::IsBlockNode(nextChild))
{
// we are after a <br> and not before inline content,
// or we are between <br>s.
// make an empty block
*outMakeEmpty = PR_FALSE;
return res;
}
}
}
}
// otherwise transform an existing block
*outMakeEmpty = PR_FALSE;
return res;
}
///////////////////////////////////////////////////////////////////////////
// ApplyBlockStyle: do whatever it takes to make the list of nodes into
// one or more blocks of type blockTag.
//
nsresult
nsHTMLEditRules::ApplyBlockStyle(nsISupportsArray *arrayOfNodes, const nsString *aBlockTag)
{
// intent of this routine is to be used for converting to/from
// headers, paragraphs (or moz-divs), pre, and address. Those blocks
// that pretty much just contain inline things...
if (!arrayOfNodes || !aBlockTag) return NS_ERROR_NULL_POINTER;
nsresult res = NS_OK;
nsCOMPtr<nsIDOMNode> curNode, curParent, curBlock, newBlock;
PRInt32 offset;
PRUint32 listCount;
arrayOfNodes->Count(&listCount);
PRUint32 i;
for (i=0; i<listCount; i++)
{
// get the node to act on, and it's location
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
if (NS_FAILED(res)) return res;
nsAutoString curNodeTag;
nsEditor::GetTagString(curNode, curNodeTag);
// is it already the right kind of block?
if (curNodeTag == *aBlockTag)
{
curBlock = 0; // forget any previous block used for previous inline nodes
continue; // do nothing to this block
}
// if curNode is a <pre> and we are converting to non-pre, we need
// to process the text inside the <pre> so as to convert returns
// to breaks, and runs of spaces to nbsps.
// xxx floppy moose
// if curNode is a p, header, address, or pre, replace
// it with a new block of correct type.
// xxx floppy moose: pre cant hold everything the others can
if ((curNodeTag == "pre") ||
(curNodeTag == "p") ||
(curNodeTag == "h1") ||
(curNodeTag == "h2") ||
(curNodeTag == "h3") ||
(curNodeTag == "h4") ||
(curNodeTag == "h5") ||
(curNodeTag == "h6") ||
(curNodeTag == "address"))
{
curBlock = 0; // forget any previous block used for previous inline nodes
res = ReplaceContainer(curNode, &newBlock, *aBlockTag);
if (NS_FAILED(res)) return res;
}
else if ((curNodeTag == "table") ||
(curNodeTag == "tbody") ||
(curNodeTag == "tr") ||
(curNodeTag == "td") ||
(curNodeTag == "ol") ||
(curNodeTag == "ul") ||
(curNodeTag == "li") ||
(curNodeTag == "blockquote") ||
(curNodeTag == "div"))
{
curBlock = 0; // forget any previous block used for previous inline nodes
// recursion time
nsCOMPtr<nsISupportsArray> childArray;
res = GetChildNodesForOperation(curNode, &childArray);
if (NS_FAILED(res)) return res;
res = ApplyBlockStyle(childArray, aBlockTag);
if (NS_FAILED(res)) return res;
}
// if curNode is inline, pull it into curBlock
// note: it's assumed that consecutive inline nodes in the
// arrayOfNodes are actually members of the same block parent.
// this happens to be true now as a side effect of how
// arrayOfNodes is contructed, but some additional logic should
// be added here if that should change
else if (nsEditor::IsInlineNode(curNode))
{
// if curNode is a non editable, drop it if we are going to <pre>
if ((*aBlockTag == "pre") && (!mEditor->IsEditable(curNode)))
continue; // do nothing to this block
// if no curBlock, make one
if (!curBlock)
{
res = mEditor->CreateNode(*aBlockTag, curParent, offset, getter_AddRefs(curBlock));
if (NS_FAILED(res)) return res;
}
// if curNode is a Break, replace it with a return if we are going to <pre>
// xxx floppy moose
// this is a continuation of some inline nodes that belong together in
// the same block item. use curBlock
PRUint32 blockLen;
res = mEditor->GetLengthOfDOMNode(curBlock, blockLen);
if (NS_FAILED(res)) return res;
res = mEditor->DeleteNode(curNode);
if (NS_FAILED(res)) return res;
res = mEditor->InsertNode(curNode, curBlock, blockLen);
if (NS_FAILED(res)) return res;
}
}
return res;
}

26
editor/base/nsHTMLEditRules.h
View File

@ -39,12 +39,6 @@ public:
protected:
enum IterDirection
{
kIterForward,
kIterBackward
};
enum RulesEndpoint
{
kStart,
@ -66,9 +60,7 @@ protected:
nsresult WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel);
nsresult WillMakeHeader(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillMakeAddress(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillMakePRE(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillMakeBasicBlock(nsIDOMSelection *aSelection, const nsString *aBlockType, PRBool *aCancel);
nsresult InsertTab(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
nsresult InsertSpace(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
@ -84,6 +76,7 @@ protected:
static PRBool IsHeader(nsIDOMNode *aNode);
static PRBool IsParagraph(nsIDOMNode *aNode);
static PRBool IsListItem(nsIDOMNode *aNode);
static PRBool IsList(nsIDOMNode *aNode);
static PRBool IsUnorderedList(nsIDOMNode *aNode);
static PRBool IsOrderedList(nsIDOMNode *aNode);
static PRBool IsBreak(nsIDOMNode *aNode);
@ -94,19 +87,24 @@ protected:
nsresult IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock);
PRBool IsFirstNode(nsIDOMNode *aNode);
PRBool IsLastNode(nsIDOMNode *aNode);
nsresult GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt32 aOffset,
PRInt32 actionID, nsCOMPtr<nsIDOMNode> *outNode, PRInt32 *outOffset);
nsresult GetPromotedRanges(nsIDOMSelection *inSelection,
nsCOMPtr<nsISupportsArray> *outArrayOfRanges,
PRInt32 inOperationType);
static nsresult GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
nsresult GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
nsCOMPtr<nsISupportsArray> *outArrayOfNodes,
PRInt32 inOperationType);
static nsresult MakeTransitionList(nsISupportsArray *inArrayOfNodes,
nsresult GetChildNodesForOperation(nsIDOMNode *inNode,
nsCOMPtr<nsISupportsArray> *outArrayOfNodes);
nsresult MakeTransitionList(nsISupportsArray *inArrayOfNodes,
nsVoidArray *inTransitionArray);
nsresult ReplaceContainer(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, nsString &aNodeType);
nsresult ShouldMakeEmptyBlock(nsIDOMSelection *aSelection, const nsString *blockTag, PRBool *outMakeEmpty);
nsresult ApplyBlockStyle(nsISupportsArray *arrayOfNodes, const nsString *aBlockTag);
nsresult ReplaceContainer(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, const nsString &aNodeType);
nsresult RemoveContainer(nsIDOMNode *inNode);
nsresult InsertContainerAbove(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, nsString &aNodeType);

50
editor/base/nsHTMLEditor.cpp
View File

@ -1317,14 +1317,17 @@ NS_IMETHODIMP nsHTMLEditor::SetParagraphFormat(const nsString& aParagraphFormat)
//Kinda sad to waste memory just to force lower case
nsAutoString tag = aParagraphFormat;
tag.ToLowerCase();
if (tag == "normal" || tag == "p") {
res = RemoveParagraphStyle();
} else if (tag == "li") {
if (tag == "normal")
{
res = InsertBasicBlock("p");
}
else if (tag == "li")
{
res = InsertList("ul");
} else if (tag[0] == 'h') {
res = InsertHeader(tag);
} else {
res = ReplaceBlockParent(tag);
}
else
{
res = InsertBasicBlock(tag);
}
return res;
}
@ -1646,6 +1649,7 @@ nsHTMLEditor::InsertList(const nsString& aListType)
// XXX - revisit when layout is fixed
res = selection->Collapse(newItem,0);
if (NS_FAILED(res)) return res;
#if 0
nsAutoString theText(" ");
res = InsertText(theText);
if (NS_FAILED(res)) return res;
@ -1654,6 +1658,7 @@ nsHTMLEditor::InsertList(const nsString& aListType)
if (NS_FAILED(res)) return res;
res = selection->Collapse(node,0);
if (NS_FAILED(res)) return res;
#endif
}
return res;
@ -1661,13 +1666,13 @@ nsHTMLEditor::InsertList(const nsString& aListType)
NS_IMETHODIMP
nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
nsHTMLEditor::InsertBasicBlock(const nsString& aBlockType)
{
#ifdef ENABLE_JS_EDITOR_LOG
nsAutoJSEditorLogLock logLock(mJSEditorLog);
if (mJSEditorLog)
mJSEditorLog->InsertHeader(aHeaderType);
mJSEditorLog->InsertBasicBlock(aBlockType);
#endif // ENABLE_JS_EDITOR_LOG
nsresult res;
@ -1680,7 +1685,8 @@ nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
// pre-process
nsEditor::GetSelection(getter_AddRefs(selection));
nsTextRulesInfo ruleInfo(nsHTMLEditRules::kMakeHeader);
nsTextRulesInfo ruleInfo(nsHTMLEditRules::kMakeBasicBlock);
ruleInfo.blockType = &aBlockType;
res = mRules->WillDoAction(selection, &ruleInfo, &cancel);
if (cancel || (NS_FAILED(res))) return res;
@ -1700,12 +1706,12 @@ nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
if (isCollapsed)
{
// have to find a place to put the header
// have to find a place to put the block
nsCOMPtr<nsIDOMNode> parent = node;
nsCOMPtr<nsIDOMNode> topChild = node;
nsCOMPtr<nsIDOMNode> tmp;
while ( !CanContainTag(parent, aHeaderType))
while ( !CanContainTag(parent, aBlockType))
{
parent->GetParentNode(getter_AddRefs(tmp));
if (!tmp) return NS_ERROR_FAILURE;
@ -1720,9 +1726,23 @@ nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
if (NS_FAILED(res)) return res;
}
// make a header
nsCOMPtr<nsIDOMNode> newHeader;
res = CreateNode(aHeaderType, parent, offset, getter_AddRefs(newHeader));
// make a block
nsCOMPtr<nsIDOMNode> newBlock;
res = CreateNode(aBlockType, parent, offset, getter_AddRefs(newBlock));
if (NS_FAILED(res)) return res;
// xxx
// put a space in it so layout will draw it
res = selection->Collapse(newBlock,0);
if (NS_FAILED(res)) return res;
nsAutoString theText(nbsp);
res = InsertText(theText);
if (NS_FAILED(res)) return res;
// reposition selection to before the space character
res = GetStartNodeAndOffset(selection, &node, &offset);
if (NS_FAILED(res)) return res;
res = selection->Collapse(node,0);
if (NS_FAILED(res)) return res;
}

2
editor/base/nsHTMLEditor.h
View File

@ -97,7 +97,7 @@ public:
NS_IMETHOD RemoveParent(const nsString &aParentTag);
NS_IMETHOD InsertList(const nsString& aListType);
NS_IMETHOD InsertHeader(const nsString& aHeaderType);
NS_IMETHOD InsertBasicBlock(const nsString& aBlockType);
NS_IMETHOD Indent(const nsString& aIndent);
NS_IMETHOD Align(const nsString& aAlign);

8
editor/base/nsTextEditRules.h
View File

@ -73,9 +73,7 @@ public:
kIndent = 3002,
kOutdent = 3003,
kAlign = 3004,
kMakeHeader = 3005,
kMakeAddress = 3006,
kMakePRE = 3007,
kMakeBasicBlock = 3005,
kInsertElement = 3008
};
@ -179,6 +177,7 @@ class nsTextRulesInfo : public nsRulesInfo
collapsedAction(nsIEditor::eDeleteNext),
bOrdered(PR_FALSE),
alignType(0),
blockType(0),
insertElement(0)
{};
@ -200,6 +199,9 @@ class nsTextRulesInfo : public nsRulesInfo
// kAlign
const nsString *alignType;
// kMakeBasicBlock
const nsString *blockType;
// kInsertElement
const nsIDOMElement* insertElement;
};

7
editor/libeditor/base/nsEditor.cpp
View File

@ -3153,7 +3153,8 @@ nsEditor::GetTag(nsIDOMNode *aNode)
}
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
content->GetTag(*getter_AddRefs(atom));
if (content)
content->GetTag(*getter_AddRefs(atom));
return atom;
}
@ -3407,7 +3408,7 @@ nsEditor::NextNodeInBlock(nsIDOMNode *aNode, IterDirection aDir)
if (NS_FAILED(iter->CurrentNode(getter_AddRefs(content)))) return nullNode;
// ignore nodes that aren't elements or text, or that are the block parent
node = do_QueryInterface(content);
if (node && IsTextOrElementNode(node) && (node != blockParent) && (node!=nsCOMPtr<nsIDOMNode>(dont_QueryInterface(aNode))))
if (node && IsTextOrElementNode(node) && (node != blockParent) && (node.get() != aNode))
return node;
if (aDir == kIterForward)
@ -3680,7 +3681,7 @@ nsEditor::SplitNodeDeep(nsIDOMNode *aNode,
if (!nodeAsText || (offset && (offset != textLen)))
{
bDoSplit = PR_TRUE;
nsresult res = SplitNode(nodeToSplit, offset, getter_AddRefs(tempNode));
res = SplitNode(nodeToSplit, offset, getter_AddRefs(tempNode));
if (NS_FAILED(res)) return res;
}

652
editor/libeditor/html/nsHTMLEditRules.cpp
View File

@ -107,12 +107,8 @@ nsHTMLEditRules::WillDoAction(nsIDOMSelection *aSelection,
return WillOutdent(aSelection, aCancel);
case kAlign:
return WillAlign(aSelection, info->alignType, aCancel);
case kMakeHeader:
return WillMakeHeader(aSelection, aCancel);
case kMakeAddress:
return WillMakeAddress(aSelection, aCancel);
case kMakePRE:
return WillMakePRE(aSelection, aCancel);
case kMakeBasicBlock:
return WillMakeBasicBlock(aSelection, info->blockType, aCancel);
case kInsertElement:
return WillInsert(aSelection, aCancel);
}
@ -258,7 +254,13 @@ nsHTMLEditRules::WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel)
return mEditor->InsertText(theString);
}
nsCOMPtr<nsIDOMNode> blockParent = mEditor->GetBlockNodeParent(node);
nsCOMPtr<nsIDOMNode> blockParent;
if (nsEditor::IsBlockNode(node))
blockParent = node;
else
blockParent = mEditor->GetBlockNodeParent(node);
if (!blockParent) return NS_ERROR_FAILURE;
// headers: put selection after the header
@ -521,45 +523,18 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_FALSE;
nsAutoString blockType("ul");
if (aOrdered) blockType = "ol";
nsAutoSelectionReset selectionResetter(aSelection);
nsresult res;
// check for collapsed selection in empty block or after a <br>.
// Either way, we want to get the default behavior of creating
// an empty list.
PRBool isCollapsed;
res = aSelection->GetIsCollapsed(&isCollapsed);
PRBool outMakeEmpty;
res = ShouldMakeEmptyBlock(aSelection, &blockType, &outMakeEmpty);
if (NS_FAILED(res)) return res;
if (isCollapsed)
{
// is it after a <br>? Two possibilities: selection right after <br>;
// and selection at front of text node following <br>
nsCOMPtr<nsIDOMNode> parent, prevChild;
PRInt32 offset;
res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
if (nsEditor::IsTextNode(parent) && !offset)
{
nsCOMPtr<nsIDOMNode> node = parent;
res = nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
}
if (offset)
{
prevChild = nsEditor::GetChildAt(parent, offset-1);
if (prevChild && IsBreak(prevChild))
return NS_OK; // insertion point after break
}
// otherwise check for being in an empty block
PRBool isEmptyBlock;
res = IsEmptyBlock(parent, &isEmptyBlock);
if (NS_FAILED(res)) return res;
if (isEmptyBlock) return NS_OK;
}
if (outMakeEmpty) return NS_OK;
// ok, we aren't vreating a new empty list. Instead we are converting
// ok, we aren't creating a new empty list. Instead we are converting
// the set of blocks implied by the selection into a list.
// convert the selection ranges into "promoted" selection ranges:
@ -578,13 +553,6 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kMakeList);
if (NS_FAILED(res)) return res;
// if we ended up with any nodes in the list that aren't blocknodes,
// find their block parent instead and use that.
// i started writing this and then the sky fell. there are big questions
// about what to do here. i may need to switch from thinking about an array of
// nodes to act on to instead think of an array of ranges to act on.
// Remove all non-editable nodes. Leave them be.
PRUint32 listCount;
@ -621,7 +589,7 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
nsCOMPtr <nsIDOMNode> tmpNode = nsEditor::GetChildAt(curNode, 0);
if (IsDiv(tmpNode) || IsOrderedList(tmpNode) || IsUnorderedList(tmpNode) || IsBlockquote(tmpNode))
{
// check editablility XXX moose
// check editablility XXX floppy moose
curNode = tmpNode;
}
else break;
@ -673,7 +641,6 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
{
// make a new ordered list, insert it where the current unordered list is,
// and move all the children to the new list, and remove the old list
nsAutoString blockType("ol");
res = ReplaceContainer(curNode,&newBlock,blockType);
if (NS_FAILED(res)) return res;
curList = newBlock;
@ -692,7 +659,6 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
{
// make a new unordered list, insert it where the current ordered list is,
// and move all the children to the new list, and remove the old list
nsAutoString blockType("ul");
ReplaceContainer(curNode,&newBlock,blockType);
if (NS_FAILED(res)) return res;
curList = newBlock;
@ -707,7 +673,7 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
}
else if (IsDiv(curNode) || IsBlockquote(curNode))
{
// XXX moose
// XXX floppy moose
}
} // lonely node
@ -724,7 +690,7 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
prevListItem = 0;
}
// if curNode is a Break, delete it, and quit remember prev list item
// if curNode is a Break, delete it, and quit remembering prev list item
if (IsBreak(curNode))
{
res = mEditor->DeleteNode(curNode);
@ -781,53 +747,35 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
nsresult
nsHTMLEditRules::WillMakeHeader(nsIDOMSelection *aSelection, PRBool *aCancel)
nsHTMLEditRules::WillMakeBasicBlock(nsIDOMSelection *aSelection, const nsString *aBlockType, PRBool *aCancel)
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_TRUE;
*aCancel = PR_FALSE;
PRBool makeEmpty;
nsresult res = ShouldMakeEmptyBlock(aSelection, aBlockType, &makeEmpty);
if (NS_FAILED(res)) return res;
if (makeEmpty) return res; // just insert a new empty block
// else it's not that easy...
nsAutoSelectionReset selectionResetter(aSelection);
nsresult res;
// Get the ranges for each break-delimited block
nsCOMPtr<nsIEnumerator> enumerator;
res = aSelection->GetEnumerator(getter_AddRefs(enumerator));
if (NS_SUCCEEDED(res) && enumerator)
{
for (enumerator->First(); NS_OK!=enumerator->IsDone(); enumerator->Next())
{
nsCOMPtr<nsISupports> currentItem;
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
if ((NS_SUCCEEDED(res)) && (currentItem))
{
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
PRBool isCollapsed;
range->GetIsCollapsed(&isCollapsed);
if (PR_FALSE==isCollapsed) // don't make headers out of empty ranges
{
nsCOMPtr<nsISupportsArray> arrayOfRanges;
res = mEditor->GetBlockSectionsForRange(range, arrayOfRanges);
PRUint32 rangeCount;
res = arrayOfRanges->Count(&rangeCount);
if (NS_FAILED(res)) return res;
PRInt32 i;
nsCOMPtr<nsIDOMRange> opRange;
nsCOMPtr<nsISupports> isupports;
*aCancel = PR_TRUE;
for (i = 0; i < rangeCount; i++)
{
isupports = (dont_AddRef)(arrayOfRanges->ElementAt(i));
opRange = do_QueryInterface(isupports);
// ConvertRangeToTag
}
}
}
}
}
// unfinished, just return NS_OK for now
return NS_OK;
nsCOMPtr<nsISupportsArray> arrayOfRanges;
res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeBasicBlock);
if (NS_FAILED(res)) return res;
// use these ranges to contruct a list of nodes to act on.
nsCOMPtr<nsISupportsArray> arrayOfNodes;
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kMakeBasicBlock);
if (NS_FAILED(res)) return res;
// Ok, now go through all the nodes and make the right kind of blocks,
// or whatever is approriate. Wohoo!
res = ApplyBlockStyle(arrayOfNodes, aBlockType);
return res;
}
@ -1015,15 +963,22 @@ nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection, const nsString *alignTyp
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_TRUE;
*aCancel = PR_FALSE;
nsAutoSelectionReset selectionResetter(aSelection);
nsresult res = NS_OK;
PRBool outMakeEmpty;
res = ShouldMakeEmptyBlock(aSelection, alignType, &outMakeEmpty);
if (NS_FAILED(res)) return res;
if (outMakeEmpty) return NS_OK;
// convert the selection ranges into "promoted" selection ranges:
// this basically just expands the range to include the immediate
// block parent, and then further expands to include any ancestors
// whose children are all in the range
*aCancel = PR_TRUE;
nsCOMPtr<nsISupportsArray> arrayOfRanges;
res = GetPromotedRanges(aSelection, &arrayOfRanges, kAlign);
@ -1100,32 +1055,6 @@ nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection, const nsString *alignTyp
nsresult
nsHTMLEditRules::WillMakeAddress(nsIDOMSelection *aSelection, PRBool *aCancel)
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_FALSE;
nsresult res = NS_OK;
return res;
}
nsresult
nsHTMLEditRules::WillMakePRE(nsIDOMSelection *aSelection, PRBool *aCancel)
{
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
// initialize out param
*aCancel = PR_FALSE;
nsresult res = NS_OK;
return res;
}
/********************************************************
* helper methods
********************************************************/
@ -1186,6 +1115,24 @@ nsHTMLEditRules::IsListItem(nsIDOMNode *node)
}
///////////////////////////////////////////////////////////////////////////
// IsList: true if node an html list
//
PRBool
nsHTMLEditRules::IsList(nsIDOMNode *node)
{
NS_PRECONDITION(node, "null parent passed to nsHTMLEditRules::IsList");
nsAutoString tag;
nsEditor::GetTagString(node,tag);
if ( (tag == "ol") ||
(tag == "ul") )
{
return PR_TRUE;
}
return PR_FALSE;
}
///////////////////////////////////////////////////////////////////////////
// IsOrderedList: true if node an html orderd list
//
@ -1345,6 +1292,9 @@ nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock)
}
else // an editable, non-text node. we aren't an empty block
{
// is it the node we are iterating over?
if (node.get() == aNode) break;
// otherwise it ain't empty
*outIsEmptyBlock = PR_FALSE;
}
}
@ -1451,12 +1401,21 @@ nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt
nsCOMPtr<nsIDOMNode> parent = aNode;
PRInt32 offset = aOffset;
if (IsBody(aNode))
{
// we cant go any higher
*outNode = do_QueryInterface(aNode);
*outOffset = aOffset;
return res;
}
if (aWhere == kStart)
{
// some special casing for text nodes
if (nsEditor::IsTextNode(aNode))
{
nsEditor::GetNodeLocation(aNode, &parent, &offset);
res = nsEditor::GetNodeLocation(aNode, &parent, &offset);
if (NS_FAILED(res)) return res;
}
else
{
@ -1464,26 +1423,38 @@ nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt
if (!node) node = parent;
}
// if this is an inline node, back up through any prior inline nodes that
// aren't across a <br> from us, and that are enclosed in the same block.
// if this is an inline node who's block parent is the body,
// back up through any prior inline nodes that
// aren't across a <br> from us.
if (!nsEditor::IsBlockNode(node))
{
nsCOMPtr<nsIDOMNode> prevNode;
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
while (prevNode)
nsCOMPtr<nsIDOMNode> block = nsEditor::GetBlockNodeParent(node);
if (IsBody(block))
{
if (IsBreak(prevNode))
break;
if (nsEditor::IsBlockNode(prevNode))
break;
node = prevNode;
nsCOMPtr<nsIDOMNode> prevNode;
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
while (prevNode)
{
if (IsBreak(prevNode))
break;
if (nsEditor::IsBlockNode(prevNode))
break;
node = prevNode;
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
}
}
else
{
// just grap the whole block
node = block;
}
}
// finding the real start for this point. look up the tree for as long as we are the
// first node in the container, and as long as we haven't hit the body node.
nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
while ((IsFirstNode(node)) && (!IsBody(parent)))
{
node = parent;
@ -1508,39 +1479,49 @@ nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt
if (!node) node = parent;
}
if (node)
offset++; // since this is going to be used for a range _endpoint_, we want to be after the node
else
if (!node)
node = parent;
// if this is an inline node, look ahead through any further inline nodes that
// if this is an inline node who's block parent is the body,
// look ahead through any further inline nodes that
// aren't across a <br> from us, and that are enclosed in the same block.
if (!nsEditor::IsBlockNode(node))
{
nsCOMPtr<nsIDOMNode> nextNode;
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
while (nextNode)
nsCOMPtr<nsIDOMNode> block = nsEditor::GetBlockNodeParent(node);
if (IsBody(block))
{
if (IsBreak(nextNode))
break;
if (nsEditor::IsBlockNode(nextNode))
break;
node = nextNode;
nsCOMPtr<nsIDOMNode> nextNode;
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
while (nextNode)
{
if (IsBreak(nextNode))
break;
if (nsEditor::IsBlockNode(nextNode))
break;
node = nextNode;
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
}
}
else
{
// just grap the whole block
node = block;
}
}
// finding the real end for this point. look up the tree for as long as we are the
// last node in the container, and as long as we haven't hit the body node.
nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
while ((IsLastNode(node)) && (!IsBody(parent)))
{
node = parent;
res = nsEditor::GetNodeLocation(node, &parent, &offset);
if (NS_FAILED(res)) return res;
offset++;
}
*outNode = parent;
offset++; // add one since this in an endpoint - want to be AFTER node.
*outOffset = offset;
return res;
}
@ -1669,6 +1650,41 @@ nsHTMLEditRules::GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
///////////////////////////////////////////////////////////////////////////
// GetChildNodesForOperation:
//
nsresult
nsHTMLEditRules::GetChildNodesForOperation(nsIDOMNode *inNode,
nsCOMPtr<nsISupportsArray> *outArrayOfNodes)
{
if (!inNode || !outArrayOfNodes) return NS_ERROR_NULL_POINTER;
nsresult res = NS_NewISupportsArray(getter_AddRefs(*outArrayOfNodes));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsIDOMNodeList> childNodes;
res = inNode->GetChildNodes(getter_AddRefs(childNodes));
if (NS_FAILED(res)) return res;
PRUint32 childCount;
res = childNodes->GetLength(&childCount);
if (NS_FAILED(res)) return res;
PRUint32 i;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsISupports> isupports;
for (i = 0; i < childCount; i++)
{
res = childNodes->Item( i, getter_AddRefs(node));
if (!node) return NS_ERROR_FAILURE;
isupports = do_QueryInterface(node);
(*outArrayOfNodes)->AppendElement(isupports);
if (NS_FAILED(res)) return res;
}
return res;
}
///////////////////////////////////////////////////////////////////////////
// MakeTransitionList: detect all the transitions in the array, where a
// transition means that adjacent nodes in the array
@ -1716,7 +1732,7 @@ nsHTMLEditRules::MakeTransitionList(nsISupportsArray *inArrayOfNodes,
nsresult
nsHTMLEditRules::ReplaceContainer(nsIDOMNode *inNode,
nsCOMPtr<nsIDOMNode> *outNode,
nsString &aNodeType)
const nsString &aNodeType)
{
if (!inNode || !outNode)
return NS_ERROR_NULL_POINTER;
@ -1733,13 +1749,12 @@ nsHTMLEditRules::ReplaceContainer(nsIDOMNode *inNode,
offset = 0;
while (bHasMoreChildren)
{
inNode->GetFirstChild(getter_AddRefs(child));
inNode->GetLastChild(getter_AddRefs(child));
res = mEditor->DeleteNode(child);
if (NS_FAILED(res)) return res;
res = mEditor->InsertNode(child, *outNode, offset);
res = mEditor->InsertNode(child, *outNode, 0);
if (NS_FAILED(res)) return res;
inNode->HasChildNodes(&bHasMoreChildren);
offset++;
}
res = mEditor->DeleteNode(inNode);
return res;
@ -1952,42 +1967,43 @@ nsHTMLEditRules::InsertSpace(nsIDOMSelection *aSelection,
nsresult
nsHTMLEditRules::ReturnInHeader(nsIDOMSelection *aSelection,
nsIDOMNode *aHeader,
nsIDOMNode *aTextNode,
nsIDOMNode *aNode,
PRInt32 aOffset)
{
if (!aSelection || !aHeader || !aTextNode) return NS_ERROR_NULL_POINTER;
if (!aSelection || !aHeader || !aNode) return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsIDOMNode> leftNode;
nsCOMPtr<nsIDOMNode> textNode = do_QueryInterface(aTextNode); // to hold a ref across the delete call
// split the node
nsresult res = mEditor->SplitNode(aTextNode, aOffset, getter_AddRefs(leftNode));
// remeber where the header is
nsCOMPtr<nsIDOMNode> headerParent;
PRInt32 offset;
nsresult res = nsEditor::GetNodeLocation(aHeader, &headerParent, &offset);
if (NS_FAILED(res)) return res;
// move the right node outside of the header, via deletion/insertion
// delete the right node
res = mEditor->DeleteNode(textNode);
if (NS_FAILED(res)) return res;
// insert the right node
nsCOMPtr<nsIDOMNode> p;
aHeader->GetParentNode(getter_AddRefs(p));
PRInt32 indx = mEditor->GetIndexOf(p,aHeader);
res = mEditor->InsertNode(textNode,p,indx+1);
if (NS_FAILED(res)) return res;
// merge text node with like sibling, if any
nsCOMPtr<nsIDOMNode> sibling;
textNode->GetNextSibling(getter_AddRefs(sibling));
if (sibling && mEditor->IsTextNode(sibling) && mEditor->IsEditable(sibling))
{
res = mEditor->JoinNodes(textNode,sibling,p);
if (NS_FAILED(res)) return res;
textNode = sibling; // sibling was the node kept by the join; remember it in "textNode"
}
// position selection before inserted node
res = aSelection->Collapse(textNode,0);
// split the header
PRInt32 newOffset;
res = mEditor->SplitNodeDeep( aHeader, aNode, aOffset, &newOffset);
if (NS_FAILED(res)) return res;
// revisit the below when we move to using divs as standard paragraphs.
// need to create an "empty" div in the fisrt case below, and need to
// use a div instead of a <p> in the second case below
// if the new (righthand) header node is empty, delete it
PRBool isEmpty;
res = IsEmptyBlock(aHeader, &isEmpty);
if (NS_FAILED(res)) return res;
if (isEmpty)
{
res = mEditor->DeleteNode(aHeader);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(headerParent,offset+1);
return res;
}
// else rewrap it in a paragraph
nsCOMPtr<nsIDOMNode> newBlock;
nsAutoString blockType("p");
res = ReplaceContainer(aHeader,&newBlock,blockType);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(newBlock,0);
return res;
}
@ -2097,12 +2113,282 @@ nsHTMLEditRules::ReturnInListItem(nsIDOMSelection *aSelection,
PRInt32 aOffset)
{
if (!aSelection || !aListItem || !aNode) return NS_ERROR_NULL_POINTER;
PRInt32 newOffset;
nsresult res = mEditor->SplitNodeDeep( aListItem, aNode, aOffset, &newOffset);
nsresult res = NS_OK;
nsCOMPtr<nsIDOMNode> listitem;
// sanity check
NS_PRECONDITION(PR_TRUE == IsListItem(aListItem), "expected a list item and didnt get one");
// if we are in an empty listitem, then we want to pop up out of the list
PRBool isEmpty;
res = IsEmptyBlock(aListItem, &isEmpty);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(aNode,0);
if (isEmpty)
{
nsCOMPtr<nsIDOMNode> list, listparent;
PRInt32 offset;
list = nsEditor::GetBlockNodeParent(aListItem);
res = nsEditor::GetNodeLocation(list, &listparent, &offset);
if (NS_FAILED(res)) return res;
// are we in a sublist?
if (IsList(listparent)) //in a sublist
{
// if so, move this list item out of this list and into the grandparent list
res = mEditor->DeleteNode(aListItem);
if (NS_FAILED(res)) return res;
res = mEditor->InsertNode(aListItem,listparent,offset+1);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(aListItem,0);
}
else
{
// otherwise kill this listitem and set the selection to after the parent list
res = mEditor->DeleteNode(aListItem);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(listparent,offset+1);
}
return res;
}
// else we want a new list item at the same list level
PRInt32 newOffset;
res = mEditor->SplitNodeDeep( aListItem, aNode, aOffset, &newOffset);
if (NS_FAILED(res)) return res;
res = aSelection->Collapse(aListItem,0);
return res;
}
///////////////////////////////////////////////////////////////////////////
// ShouldMakeEmptyBlock: determine if a block transformation should make
// a new empty block, or instead transform a block
//
nsresult
nsHTMLEditRules::ShouldMakeEmptyBlock(nsIDOMSelection *aSelection,
const nsString *blockTag,
PRBool *outMakeEmpty)
{
// a note about strategy:
// this routine will be called by the rules code to figure out
// if it should do something, or let the nsHTMLEditor default
// action happen. The default action is to insert a new block.
// Note that if _nothing_ should happen, ie, the selection is
// already entireyl inside a block (or blocks) or the correct type,
// then you don't want to return true in outMakeEmpty, since the
// defualt code will insert a new empty block anyway, rather than
// doing nothing. So we have to detect that case and return false.
if (!aSelection || !outMakeEmpty) return NS_ERROR_NULL_POINTER;
nsresult res = NS_OK;
// if the selection is collapsed, and
// if we in the body, or after a <br> with
// no more inline content before the next block, then we want
// a new block. Otherwise we want to trasform a block
// xxx possible bug: selection could be not callapsed, but
// still empty. it would be nice to have a call for this: IsEmptySelection()
PRBool isCollapsed;
res = aSelection->GetIsCollapsed(&isCollapsed);
if (NS_FAILED(res)) return res;
if (isCollapsed)
{
nsCOMPtr<nsIDOMNode> parent;
PRInt32 offset;
res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
if (NS_FAILED(res)) return res;
// is selection point in the body?
if (IsBody(parent))
{
*outMakeEmpty = PR_TRUE;
return res;
}
// see if block parent is already right kind of block.
// See strategy comment above.
nsCOMPtr<nsIDOMNode> block;
if (!nsEditor::IsBlockNode(parent))
block = nsEditor::GetBlockNodeParent(parent);
else
block = parent;
if (block)
{
nsAutoString tag;
nsEditor::GetTagString(block,tag);
if (tag == *blockTag)
{
*outMakeEmpty = PR_FALSE;
return res;
}
}
// are we in a textnode or inline node?
if (!nsEditor::IsBlockNode(parent))
{
// we must be in a text or inline node - convert existing block
*outMakeEmpty = PR_FALSE;
return res;
}
// is it after a <br> with no inline nodes after it, or a <br> after it??
if (offset)
{
nsCOMPtr<nsIDOMNode> prevChild, nextChild, tmp;
prevChild = nsEditor::GetChildAt(parent, offset-1);
while (prevChild && !mEditor->IsEditable(prevChild))
{
// search back until we either find an editable node,
// or hit the beginning of the block
tmp = nsEditor::NextNodeInBlock(prevChild, nsEditor::kIterBackward);
prevChild = tmp;
}
if (prevChild && IsBreak(prevChild))
{
nextChild = nsEditor::GetChildAt(parent, offset);
while (nextChild && !mEditor->IsEditable(nextChild))
{
// search back until we either find an editable node,
// or hit the beginning of the block
tmp = nsEditor::NextNodeInBlock(nextChild, nsEditor::kIterForward);
nextChild = tmp;
}
if (!nextChild || IsBreak(nextChild) || nsEditor::IsBlockNode(nextChild))
{
// we are after a <br> and not before inline content,
// or we are between <br>s.
// make an empty block
*outMakeEmpty = PR_FALSE;
return res;
}
}
}
}
// otherwise transform an existing block
*outMakeEmpty = PR_FALSE;
return res;
}
///////////////////////////////////////////////////////////////////////////
// ApplyBlockStyle: do whatever it takes to make the list of nodes into
// one or more blocks of type blockTag.
//
nsresult
nsHTMLEditRules::ApplyBlockStyle(nsISupportsArray *arrayOfNodes, const nsString *aBlockTag)
{
// intent of this routine is to be used for converting to/from
// headers, paragraphs (or moz-divs), pre, and address. Those blocks
// that pretty much just contain inline things...
if (!arrayOfNodes || !aBlockTag) return NS_ERROR_NULL_POINTER;
nsresult res = NS_OK;
nsCOMPtr<nsIDOMNode> curNode, curParent, curBlock, newBlock;
PRInt32 offset;
PRUint32 listCount;
arrayOfNodes->Count(&listCount);
PRUint32 i;
for (i=0; i<listCount; i++)
{
// get the node to act on, and it's location
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
if (NS_FAILED(res)) return res;
nsAutoString curNodeTag;
nsEditor::GetTagString(curNode, curNodeTag);
// is it already the right kind of block?
if (curNodeTag == *aBlockTag)
{
curBlock = 0; // forget any previous block used for previous inline nodes
continue; // do nothing to this block
}
// if curNode is a <pre> and we are converting to non-pre, we need
// to process the text inside the <pre> so as to convert returns
// to breaks, and runs of spaces to nbsps.
// xxx floppy moose
// if curNode is a p, header, address, or pre, replace
// it with a new block of correct type.
// xxx floppy moose: pre cant hold everything the others can
if ((curNodeTag == "pre") ||
(curNodeTag == "p") ||
(curNodeTag == "h1") ||
(curNodeTag == "h2") ||
(curNodeTag == "h3") ||
(curNodeTag == "h4") ||
(curNodeTag == "h5") ||
(curNodeTag == "h6") ||
(curNodeTag == "address"))
{
curBlock = 0; // forget any previous block used for previous inline nodes
res = ReplaceContainer(curNode, &newBlock, *aBlockTag);
if (NS_FAILED(res)) return res;
}
else if ((curNodeTag == "table") ||
(curNodeTag == "tbody") ||
(curNodeTag == "tr") ||
(curNodeTag == "td") ||
(curNodeTag == "ol") ||
(curNodeTag == "ul") ||
(curNodeTag == "li") ||
(curNodeTag == "blockquote") ||
(curNodeTag == "div"))
{
curBlock = 0; // forget any previous block used for previous inline nodes
// recursion time
nsCOMPtr<nsISupportsArray> childArray;
res = GetChildNodesForOperation(curNode, &childArray);
if (NS_FAILED(res)) return res;
res = ApplyBlockStyle(childArray, aBlockTag);
if (NS_FAILED(res)) return res;
}
// if curNode is inline, pull it into curBlock
// note: it's assumed that consecutive inline nodes in the
// arrayOfNodes are actually members of the same block parent.
// this happens to be true now as a side effect of how
// arrayOfNodes is contructed, but some additional logic should
// be added here if that should change
else if (nsEditor::IsInlineNode(curNode))
{
// if curNode is a non editable, drop it if we are going to <pre>
if ((*aBlockTag == "pre") && (!mEditor->IsEditable(curNode)))
continue; // do nothing to this block
// if no curBlock, make one
if (!curBlock)
{
res = mEditor->CreateNode(*aBlockTag, curParent, offset, getter_AddRefs(curBlock));
if (NS_FAILED(res)) return res;
}
// if curNode is a Break, replace it with a return if we are going to <pre>
// xxx floppy moose
// this is a continuation of some inline nodes that belong together in
// the same block item. use curBlock
PRUint32 blockLen;
res = mEditor->GetLengthOfDOMNode(curBlock, blockLen);
if (NS_FAILED(res)) return res;
res = mEditor->DeleteNode(curNode);
if (NS_FAILED(res)) return res;
res = mEditor->InsertNode(curNode, curBlock, blockLen);
if (NS_FAILED(res)) return res;
}
}
return res;
}

26
editor/libeditor/html/nsHTMLEditRules.h
View File

@ -39,12 +39,6 @@ public:
protected:
enum IterDirection
{
kIterForward,
kIterBackward
};
enum RulesEndpoint
{
kStart,
@ -66,9 +60,7 @@ protected:
nsresult WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel);
nsresult WillMakeHeader(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillMakeAddress(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillMakePRE(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillMakeBasicBlock(nsIDOMSelection *aSelection, const nsString *aBlockType, PRBool *aCancel);
nsresult InsertTab(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
nsresult InsertSpace(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
@ -84,6 +76,7 @@ protected:
static PRBool IsHeader(nsIDOMNode *aNode);
static PRBool IsParagraph(nsIDOMNode *aNode);
static PRBool IsListItem(nsIDOMNode *aNode);
static PRBool IsList(nsIDOMNode *aNode);
static PRBool IsUnorderedList(nsIDOMNode *aNode);
static PRBool IsOrderedList(nsIDOMNode *aNode);
static PRBool IsBreak(nsIDOMNode *aNode);
@ -94,19 +87,24 @@ protected:
nsresult IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock);
PRBool IsFirstNode(nsIDOMNode *aNode);
PRBool IsLastNode(nsIDOMNode *aNode);
nsresult GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt32 aOffset,
PRInt32 actionID, nsCOMPtr<nsIDOMNode> *outNode, PRInt32 *outOffset);
nsresult GetPromotedRanges(nsIDOMSelection *inSelection,
nsCOMPtr<nsISupportsArray> *outArrayOfRanges,
PRInt32 inOperationType);
static nsresult GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
nsresult GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
nsCOMPtr<nsISupportsArray> *outArrayOfNodes,
PRInt32 inOperationType);
static nsresult MakeTransitionList(nsISupportsArray *inArrayOfNodes,
nsresult GetChildNodesForOperation(nsIDOMNode *inNode,
nsCOMPtr<nsISupportsArray> *outArrayOfNodes);
nsresult MakeTransitionList(nsISupportsArray *inArrayOfNodes,
nsVoidArray *inTransitionArray);
nsresult ReplaceContainer(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, nsString &aNodeType);
nsresult ShouldMakeEmptyBlock(nsIDOMSelection *aSelection, const nsString *blockTag, PRBool *outMakeEmpty);
nsresult ApplyBlockStyle(nsISupportsArray *arrayOfNodes, const nsString *aBlockTag);
nsresult ReplaceContainer(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, const nsString &aNodeType);
nsresult RemoveContainer(nsIDOMNode *inNode);
nsresult InsertContainerAbove(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, nsString &aNodeType);

50
editor/libeditor/html/nsHTMLEditor.cpp
View File

@ -1317,14 +1317,17 @@ NS_IMETHODIMP nsHTMLEditor::SetParagraphFormat(const nsString& aParagraphFormat)
//Kinda sad to waste memory just to force lower case
nsAutoString tag = aParagraphFormat;
tag.ToLowerCase();
if (tag == "normal" || tag == "p") {
res = RemoveParagraphStyle();
} else if (tag == "li") {
if (tag == "normal")
{
res = InsertBasicBlock("p");
}
else if (tag == "li")
{
res = InsertList("ul");
} else if (tag[0] == 'h') {
res = InsertHeader(tag);
} else {
res = ReplaceBlockParent(tag);
}
else
{
res = InsertBasicBlock(tag);
}
return res;
}
@ -1646,6 +1649,7 @@ nsHTMLEditor::InsertList(const nsString& aListType)
// XXX - revisit when layout is fixed
res = selection->Collapse(newItem,0);
if (NS_FAILED(res)) return res;
#if 0
nsAutoString theText(" ");
res = InsertText(theText);
if (NS_FAILED(res)) return res;
@ -1654,6 +1658,7 @@ nsHTMLEditor::InsertList(const nsString& aListType)
if (NS_FAILED(res)) return res;
res = selection->Collapse(node,0);
if (NS_FAILED(res)) return res;
#endif
}
return res;
@ -1661,13 +1666,13 @@ nsHTMLEditor::InsertList(const nsString& aListType)
NS_IMETHODIMP
nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
nsHTMLEditor::InsertBasicBlock(const nsString& aBlockType)
{
#ifdef ENABLE_JS_EDITOR_LOG
nsAutoJSEditorLogLock logLock(mJSEditorLog);
if (mJSEditorLog)
mJSEditorLog->InsertHeader(aHeaderType);
mJSEditorLog->InsertBasicBlock(aBlockType);
#endif // ENABLE_JS_EDITOR_LOG
nsresult res;
@ -1680,7 +1685,8 @@ nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
// pre-process
nsEditor::GetSelection(getter_AddRefs(selection));
nsTextRulesInfo ruleInfo(nsHTMLEditRules::kMakeHeader);
nsTextRulesInfo ruleInfo(nsHTMLEditRules::kMakeBasicBlock);
ruleInfo.blockType = &aBlockType;
res = mRules->WillDoAction(selection, &ruleInfo, &cancel);
if (cancel || (NS_FAILED(res))) return res;
@ -1700,12 +1706,12 @@ nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
if (isCollapsed)
{
// have to find a place to put the header
// have to find a place to put the block
nsCOMPtr<nsIDOMNode> parent = node;
nsCOMPtr<nsIDOMNode> topChild = node;
nsCOMPtr<nsIDOMNode> tmp;
while ( !CanContainTag(parent, aHeaderType))
while ( !CanContainTag(parent, aBlockType))
{
parent->GetParentNode(getter_AddRefs(tmp));
if (!tmp) return NS_ERROR_FAILURE;
@ -1720,9 +1726,23 @@ nsHTMLEditor::InsertHeader(const nsString& aHeaderType)
if (NS_FAILED(res)) return res;
}
// make a header
nsCOMPtr<nsIDOMNode> newHeader;
res = CreateNode(aHeaderType, parent, offset, getter_AddRefs(newHeader));
// make a block
nsCOMPtr<nsIDOMNode> newBlock;
res = CreateNode(aBlockType, parent, offset, getter_AddRefs(newBlock));
if (NS_FAILED(res)) return res;
// xxx
// put a space in it so layout will draw it
res = selection->Collapse(newBlock,0);
if (NS_FAILED(res)) return res;
nsAutoString theText(nbsp);
res = InsertText(theText);
if (NS_FAILED(res)) return res;
// reposition selection to before the space character
res = GetStartNodeAndOffset(selection, &node, &offset);
if (NS_FAILED(res)) return res;
res = selection->Collapse(node,0);
if (NS_FAILED(res)) return res;
}

2
editor/libeditor/html/nsHTMLEditor.h
View File

@ -97,7 +97,7 @@ public:
NS_IMETHOD RemoveParent(const nsString &aParentTag);
NS_IMETHOD InsertList(const nsString& aListType);
NS_IMETHOD InsertHeader(const nsString& aHeaderType);
NS_IMETHOD InsertBasicBlock(const nsString& aBlockType);
NS_IMETHOD Indent(const nsString& aIndent);
NS_IMETHOD Align(const nsString& aAlign);

8
editor/libeditor/text/nsTextEditRules.h
View File

@ -73,9 +73,7 @@ public:
kIndent = 3002,
kOutdent = 3003,
kAlign = 3004,
kMakeHeader = 3005,
kMakeAddress = 3006,
kMakePRE = 3007,
kMakeBasicBlock = 3005,
kInsertElement = 3008
};
@ -179,6 +177,7 @@ class nsTextRulesInfo : public nsRulesInfo
collapsedAction(nsIEditor::eDeleteNext),
bOrdered(PR_FALSE),
alignType(0),
blockType(0),
insertElement(0)
{};
@ -200,6 +199,9 @@ class nsTextRulesInfo : public nsRulesInfo
// kAlign
const nsString *alignType;
// kMakeBasicBlock
const nsString *blockType;
// kInsertElement
const nsIDOMElement* insertElement;
};