зеркало из https://github.com/mozilla/gecko-dev.git
implemented RemoveList();
This commit is contained in:
jfrancis%netscape.com
Родитель
03c6026eb0
Коммит
7e088b3bf0
|
|
@ -109,6 +109,8 @@ nsHTMLEditRules::WillDoAction(nsIDOMSelection *aSelection,
|
|||
return WillAlign(aSelection, info->alignType, aCancel);
|
||||
case kMakeBasicBlock:
|
||||
return WillMakeBasicBlock(aSelection, info->blockType, aCancel);
|
||||
case kRemoveList:
|
||||
return WillRemoveList(aSelection, info->bOrdered, aCancel);
|
||||
case kInsertElement:
|
||||
return WillInsert(aSelection, aCancel);
|
||||
}
|
||||
|
|
@ -129,6 +131,9 @@ nsHTMLEditRules::DidDoAction(nsIDOMSelection *aSelection,
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
// clean up any empty nodes in the selection
|
||||
CleanUpSelection(aSelection);
|
||||
|
||||
return nsTextEditRules::DidDoAction(aSelection, aInfo, aResult);
|
||||
}
|
||||
|
||||
|
|
@ -157,6 +162,37 @@ nsHTMLEditRules::WillInsertText(nsIDOMSelection *aSelection,
|
|||
// Insert Break txns don't auto merge with insert text txns
|
||||
nsAutoEditBatch beginBatching(mEditor);
|
||||
|
||||
// if the selection isn't collapsed, delete it.
|
||||
PRBool bCollapsed;
|
||||
res = aSelection->GetIsCollapsed(&bCollapsed);
|
||||
if (NS_FAILED(res)) return res;
|
||||
if (!bCollapsed)
|
||||
{
|
||||
res = mEditor->DeleteSelection(nsIEditor::eDoNothing);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
// split any mailcites in the way
|
||||
if (1 || mFlags & nsIHTMLEditor::eEditorMailMask)
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> citeNode, selNode;
|
||||
PRInt32 selOffset, newOffset;
|
||||
res = mEditor->GetStartNodeAndOffset(aSelection, &selNode, &selOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = GetTopEnclosingMailCite(selNode, &citeNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (citeNode)
|
||||
{
|
||||
res = mEditor->SplitNodeDeep(citeNode, selNode, selOffset, &newOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = citeNode->GetParentNode(getter_AddRefs(selNode));
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = aSelection->Collapse(selNode, newOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
}
|
||||
|
||||
// strategy: there are simple cases and harder cases. The harder cases
|
||||
// we handle recursively by breaking them into a series of simple cases.
|
||||
// The simple cases are:
|
||||
|
|
@ -227,6 +263,10 @@ nsHTMLEditRules::WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel)
|
|||
res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
// if the selection isn't collapsed, delete it.
|
||||
PRBool bCollapsed;
|
||||
res = aSelection->GetIsCollapsed(&bCollapsed);
|
||||
|
|
@ -300,6 +340,13 @@ nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESe
|
|||
// initialize out param
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
// if there is only bogus content, cancel the operation
|
||||
if (mBogusNode)
|
||||
{
|
||||
*aCancel = PR_TRUE;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult res = NS_OK;
|
||||
|
||||
PRBool bCollapsed;
|
||||
|
|
@ -344,6 +391,12 @@ nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESe
|
|||
// are the blocks of same type?
|
||||
nsCOMPtr<nsIDOMNode> leftParent = mEditor->GetBlockNodeParent(priorNode);
|
||||
nsCOMPtr<nsIDOMNode> rightParent = mEditor->GetBlockNodeParent(node);
|
||||
|
||||
// if leftParent or rightParent is null, it's because the
|
||||
// corresponding selection endpoint is in the body node.
|
||||
if (!leftParent || !rightParent)
|
||||
return NS_OK; // bail to default
|
||||
|
||||
nsCOMPtr<nsIAtom> leftAtom = mEditor->GetTag(leftParent);
|
||||
nsCOMPtr<nsIAtom> rightAtom = mEditor->GetTag(rightParent);
|
||||
|
||||
|
|
@ -411,30 +464,34 @@ nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESe
|
|||
// else not in text node; we need to find right place to act on
|
||||
else
|
||||
{
|
||||
|
||||
// XXX add (aAction == nsIEditor::eDeleteNext) case!!
|
||||
nsCOMPtr<nsIDOMNode> nodeToDelete;
|
||||
|
||||
nsCOMPtr<nsIDOMNode> nodeToBackspace;
|
||||
|
||||
res = mEditor->GetPriorNode(node, offset, PR_TRUE, getter_AddRefs(nodeToBackspace));
|
||||
if (aAction == nsIEditor::eDeletePrevious)
|
||||
res = mEditor->GetPriorNode(node, offset, PR_TRUE, getter_AddRefs(nodeToDelete));
|
||||
else if (aAction == nsIEditor::eDeleteNext)
|
||||
res = mEditor->GetNextNode(node, offset, PR_TRUE, getter_AddRefs(nodeToDelete));
|
||||
else
|
||||
return NS_OK;
|
||||
|
||||
if (NS_FAILED(res)) return res;
|
||||
if (!nodeToBackspace) return NS_ERROR_NULL_POINTER;
|
||||
if (!nodeToDelete) return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// if this node is text node, adjust selection
|
||||
if (nsEditor::IsTextNode(nodeToBackspace))
|
||||
if (nsEditor::IsTextNode(nodeToDelete))
|
||||
{
|
||||
PRUint32 len;
|
||||
PRUint32 selPoint = 0;
|
||||
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
||||
nodeAsText = do_QueryInterface(nodeToBackspace);
|
||||
nodeAsText->GetLength(&len);
|
||||
res = aSelection->Collapse(nodeToBackspace,len);
|
||||
nodeAsText = do_QueryInterface(nodeToDelete);
|
||||
if (aAction == nsIEditor::eDeletePrevious)
|
||||
nodeAsText->GetLength(&selPoint);
|
||||
res = aSelection->Collapse(nodeToDelete,selPoint);
|
||||
return res;
|
||||
}
|
||||
else
|
||||
{
|
||||
// editable leaf node is not text; delete it.
|
||||
// that's the default behavior
|
||||
res = nsEditor::GetNodeLocation(nodeToBackspace, &node, &offset);
|
||||
res = nsEditor::GetNodeLocation(nodeToDelete, &node, &offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
// adjust selection to be right after it, for benefit of
|
||||
// deletion code
|
||||
|
|
@ -538,13 +595,18 @@ nsresult
|
|||
nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
|
||||
nsresult res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
nsAutoString blockType("ul");
|
||||
if (aOrdered) blockType = "ol";
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
nsresult res;
|
||||
|
||||
PRBool outMakeEmpty;
|
||||
res = ShouldMakeEmptyBlock(aSelection, &blockType, &outMakeEmpty);
|
||||
|
|
@ -763,6 +825,95 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
|
|||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::WillRemoveList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
// initialize out param
|
||||
*aCancel = PR_TRUE;
|
||||
|
||||
nsAutoString blockType("ul");
|
||||
if (aOrdered) blockType = "ol";
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
|
||||
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
||||
nsresult res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeList);
|
||||
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, kMakeList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// Remove all non-editable nodes. Leave them be.
|
||||
|
||||
PRUint32 listCount;
|
||||
PRInt32 i;
|
||||
arrayOfNodes->Count(&listCount);
|
||||
for (i=listCount-1; i>=0; i--)
|
||||
{
|
||||
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
||||
nsCOMPtr<nsIDOMNode> testNode( do_QueryInterface(isupports ) );
|
||||
if (!mEditor->IsEditable(testNode))
|
||||
{
|
||||
arrayOfNodes->RemoveElementAt(i);
|
||||
}
|
||||
}
|
||||
|
||||
// Only act on lists or list items in the array
|
||||
nsCOMPtr<nsIDOMNode> curParent;
|
||||
for (i=0; i<listCount; i++)
|
||||
{
|
||||
// here's where we actually figure out what to do
|
||||
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
||||
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
||||
PRInt32 offset;
|
||||
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (IsListItem(curNode)) // unlist this listitem
|
||||
{
|
||||
PRBool bOutOfList;
|
||||
do
|
||||
{
|
||||
res = PopListItem(curNode, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
} while (!bOutOfList); // keep popping it out until it's not in a list anymore
|
||||
}
|
||||
else if (IsList(curNode)) // node is a list, move list items out
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> child;
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
|
||||
while (child)
|
||||
{
|
||||
if (IsListItem(child))
|
||||
{
|
||||
PRBool bOutOfList;
|
||||
do
|
||||
{
|
||||
res = PopListItem(child, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
} while (!bOutOfList); // keep popping it out until it's not in a list anymore
|
||||
}
|
||||
else
|
||||
{
|
||||
// delete any non- list items for now
|
||||
res = mEditor->DeleteNode(child);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
}
|
||||
// delete the now-empty list
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::WillMakeBasicBlock(nsIDOMSelection *aSelection, const nsString *aBlockType, PRBool *aCancel)
|
||||
{
|
||||
|
|
@ -800,11 +951,15 @@ nsresult
|
|||
nsHTMLEditRules::WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
// initialize out param
|
||||
*aCancel = PR_TRUE;
|
||||
|
||||
nsresult res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_TRUE;
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
nsresult res;
|
||||
|
||||
// convert the selection ranges into "promoted" selection ranges:
|
||||
// this basically just expands the range to include the immediate
|
||||
|
|
@ -956,67 +1111,34 @@ nsHTMLEditRules::WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel)
|
|||
}
|
||||
else // we are moving a list item, but not whole list
|
||||
{
|
||||
// if it's first or last list item, dont need to split the list
|
||||
// otherwise we do.
|
||||
nsCOMPtr<nsIDOMNode> curParPar;
|
||||
PRInt32 parOffset;
|
||||
res = nsEditor::GetNodeLocation(curParent, &curParPar, &parOffset);
|
||||
PRBool bOutOfList;
|
||||
res = PopListItem(curNode, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsFirstListItem;
|
||||
res = IsFirstEditableChild(curNode, &bIsFirstListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsLastListItem;
|
||||
res = IsLastEditableChild(curNode, &bIsLastListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (!bIsFirstListItem && !bIsLastListItem)
|
||||
{
|
||||
// split the list
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = mEditor->SplitNode(curParent, offset, getter_AddRefs(newBlock));
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
if (!bIsFirstListItem) parOffset++;
|
||||
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = mEditor->InsertNode(curNode, curParPar, parOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// convert list items to divs if we promoted them out of list
|
||||
if (!IsList(curParPar) && IsListItem(curNode))
|
||||
{
|
||||
nsAutoString blockType("div");
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = ReplaceContainer(curNode,&newBlock,blockType);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (IsList(curNode)) // node is a list, but parent is non-list: move list items out
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> child;
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
|
||||
while (child)
|
||||
{
|
||||
res = mEditor->DeleteNode(child);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = mEditor->InsertNode(child, curParent, offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (IsListItem(child))
|
||||
{
|
||||
nsAutoString blockType("div");
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = ReplaceContainer(child,&newBlock,blockType);
|
||||
PRBool bOutOfList;
|
||||
res = PopListItem(child, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
else
|
||||
{
|
||||
// delete any non- list items for now
|
||||
res = mEditor->DeleteNode(child);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
}
|
||||
// delete the now-empty list
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
else if (transitionList[i]) // not list related - look for enclosing blockquotes and remove
|
||||
{
|
||||
|
|
@ -1045,11 +1167,15 @@ nsresult
|
|||
nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
// initialize out param
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
nsresult res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
nsresult res = NS_OK;
|
||||
|
||||
PRBool outMakeEmpty;
|
||||
res = ShouldMakeEmptyBlock(aSelection, alignType, &outMakeEmpty);
|
||||
|
|
@ -1318,6 +1444,29 @@ nsHTMLEditRules::IsDiv(nsIDOMNode *node)
|
|||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// IsMailCite: true if node an html blockquote with type=cite
|
||||
//
|
||||
PRBool
|
||||
nsHTMLEditRules::IsMailCite(nsIDOMNode *node)
|
||||
{
|
||||
NS_PRECONDITION(node, "null parent passed to nsHTMLEditRules::IsMailCite");
|
||||
if (IsBlockquote(node))
|
||||
{
|
||||
nsCOMPtr<nsIDOMElement> bqElem = do_QueryInterface(node);
|
||||
nsAutoString typeAttrName("type");
|
||||
nsAutoString typeAttrVal;
|
||||
nsresult res = bqElem->GetAttribute(typeAttrName, typeAttrVal);
|
||||
if (NS_SUCCEEDED(res))
|
||||
{
|
||||
if (typeAttrVal == "cite")
|
||||
return PR_TRUE;
|
||||
}
|
||||
}
|
||||
return PR_FALSE;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// IsEmptyBlock: figure out if aNode is (or is inside) an empty block.
|
||||
// A block can have children and still be considered empty,
|
||||
|
|
@ -1330,27 +1479,48 @@ nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock)
|
|||
*outIsEmptyBlock = PR_TRUE;
|
||||
|
||||
nsresult res = NS_OK;
|
||||
nsCOMPtr<nsIContent> blockContent;
|
||||
if (nsEditor::IsBlockNode(aNode)) blockContent = do_QueryInterface(aNode);
|
||||
else
|
||||
nsCOMPtr<nsIDOMNode> nodeToTest;
|
||||
if (nsEditor::IsBlockNode(aNode)) nodeToTest = do_QueryInterface(aNode);
|
||||
else nsCOMPtr<nsIDOMElement> block;
|
||||
|
||||
if (!nodeToTest) return NS_ERROR_NULL_POINTER;
|
||||
return IsEmptyNode(nodeToTest, outIsEmptyBlock);
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// IsEmptyNode: figure out if aNode is an empty node.
|
||||
// A block can have children and still be considered empty,
|
||||
// if the children are empty or non-editable.
|
||||
//
|
||||
nsresult
|
||||
nsHTMLEditRules::IsEmptyNode(nsIDOMNode *aNode, PRBool *outIsEmptyNode)
|
||||
{
|
||||
if (!aNode || !outIsEmptyNode) return NS_ERROR_NULL_POINTER;
|
||||
*outIsEmptyNode = PR_TRUE;
|
||||
|
||||
// effeciency hack - special case if it's a text node
|
||||
if (nsEditor::IsTextNode(aNode))
|
||||
{
|
||||
nsCOMPtr<nsIDOMElement> block;
|
||||
res = nsEditor::GetBlockParent(aNode, getter_AddRefs(block));
|
||||
if (NS_FAILED(res)) return res;
|
||||
blockContent = do_QueryInterface(block);
|
||||
PRUint32 length = 0;
|
||||
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
||||
nodeAsText = do_QueryInterface(aNode);
|
||||
nodeAsText->GetLength(&length);
|
||||
if (length) *outIsEmptyNode = PR_FALSE;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
if (!blockContent) return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// iterate over block. if no children, or all children are either
|
||||
// empty text nodes or non-editable, then block qualifies as empty
|
||||
|
||||
// iterate over node. if no children, or all children are either
|
||||
// empty text nodes or non-editable, then node qualifies as empty
|
||||
nsCOMPtr<nsIContentIterator> iter;
|
||||
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
||||
nsCOMPtr<nsIContent> nodeAsContent = do_QueryInterface(aNode);
|
||||
if (!nodeAsContent) return NS_ERROR_FAILURE;
|
||||
nsresult res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
||||
nsnull,
|
||||
nsIContentIterator::GetIID(),
|
||||
getter_AddRefs(iter));
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = iter->Init(blockContent);
|
||||
res = iter->Init(nodeAsContent);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
while (NS_COMFALSE == iter->IsDone())
|
||||
|
|
@ -1371,14 +1541,14 @@ nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock)
|
|||
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
||||
nodeAsText = do_QueryInterface(node);
|
||||
nodeAsText->GetLength(&length);
|
||||
if (length) *outIsEmptyBlock = PR_FALSE;
|
||||
if (length) *outIsEmptyNode = PR_FALSE;
|
||||
}
|
||||
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;
|
||||
*outIsEmptyNode = PR_FALSE;
|
||||
}
|
||||
}
|
||||
res = iter->Next();
|
||||
|
|
@ -2538,6 +2708,10 @@ nsHTMLEditRules::IsLastEditableChild( nsIDOMNode *aNode, PRBool *aOutIsLast)
|
|||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// JoinNodesSmart: join two nodes, doing whatever makes sense for their
|
||||
// children (which often means joining them, too).
|
||||
// aNodeLeft & aNodeRight must be same type of node.
|
||||
nsresult
|
||||
nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
||||
nsIDOMNode *aNodeRight,
|
||||
|
|
@ -2553,8 +2727,8 @@ nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
|||
|
||||
nsresult res = NS_OK;
|
||||
// caller responsible for:
|
||||
// left & right node are smae type
|
||||
// left & right node have smae parent
|
||||
// left & right node are same type
|
||||
// left & right node have same parent
|
||||
|
||||
nsCOMPtr<nsIDOMNode> parent;
|
||||
aNodeLeft->GetParentNode(getter_AddRefs(parent));
|
||||
|
|
@ -2587,8 +2761,181 @@ nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
|||
else
|
||||
{
|
||||
// for list items, divs, etc, merge smart
|
||||
res = JoinNodesSmart(aNodeLeft, aNodeRight, aOutMergeParent, aOutMergeOffset);
|
||||
res = mEditor->JoinNodes(aNodeLeft, aNodeRight, parent);
|
||||
if (NS_FAILED(res)) return res;
|
||||
// figure out newNodeLeft & newNodeRight and recurse
|
||||
// res = JoinNodesSmart(newNodeLeft, newNodeRight, aOutMergeParent, aOutMergeOffset);
|
||||
// if (NS_FAILED(res)) return res;
|
||||
return res;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::GetTopEnclosingMailCite(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutCiteNode)
|
||||
{
|
||||
// check parms
|
||||
if (!aNode || !aOutCiteNode)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
nsresult res = NS_OK;
|
||||
nsCOMPtr<nsIDOMNode> node, parentNode;
|
||||
node = do_QueryInterface(aNode);
|
||||
|
||||
while (node)
|
||||
{
|
||||
if (IsMailCite(node)) *aOutCiteNode = node;
|
||||
if (IsBody(node)) break;
|
||||
|
||||
res = node->GetParentNode(getter_AddRefs(parentNode));
|
||||
if (NS_FAILED(res)) return res;
|
||||
node = parentNode;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::CleanUpSelection(nsIDOMSelection *aSelection)
|
||||
{
|
||||
// check parms
|
||||
if (!aSelection)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// grab anything that can fit in the selection
|
||||
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
||||
nsresult res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// and walk it looking for empty nodes
|
||||
PRUint32 rangeCount, nodeCount;
|
||||
res = arrayOfRanges->Count(&rangeCount);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRInt32 i, j;
|
||||
nsCOMPtr<nsIDOMRange> opRange;
|
||||
nsCOMPtr<nsISupports> isupports;
|
||||
nsCOMPtr<nsIContentIterator> iter;
|
||||
|
||||
for (i = 0; i < rangeCount; i++)
|
||||
{
|
||||
isupports = (dont_AddRef)(arrayOfRanges->ElementAt(i));
|
||||
opRange = do_QueryInterface(isupports);
|
||||
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
||||
res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
||||
nsnull,
|
||||
nsIContentIterator::GetIID(),
|
||||
getter_AddRefs(iter));
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
do
|
||||
{
|
||||
res = iter->Init(opRange);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// gather up a list of empty nodes
|
||||
while (NS_COMFALSE == iter->IsDone())
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> node;
|
||||
nsCOMPtr<nsIContent> content;
|
||||
res = iter->CurrentNode(getter_AddRefs(content));
|
||||
if (NS_FAILED(res)) return res;
|
||||
node = do_QueryInterface(content);
|
||||
if (!node) return NS_ERROR_FAILURE;
|
||||
|
||||
PRBool bIsEmptyNode;
|
||||
res = IsEmptyNode(node, &bIsEmptyNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
if (bIsEmptyNode && !IsBody(node))
|
||||
{
|
||||
isupports = do_QueryInterface(node);
|
||||
arrayOfNodes->AppendElement(isupports);
|
||||
}
|
||||
res = iter->Next();
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
// now delete the empty nodes
|
||||
res = arrayOfNodes->Count(&nodeCount);
|
||||
if (NS_FAILED(res)) return res;
|
||||
for (j = 0; j < nodeCount; j++)
|
||||
{
|
||||
isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
||||
nsCOMPtr<nsIDOMNode> delNode( do_QueryInterface(isupports ) );
|
||||
arrayOfNodes->RemoveElementAt(0);
|
||||
res = mEditor->DeleteNode(delNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
} while (nodeCount); // if we deleted any, loop again
|
||||
// deleting some nodes may make some parents now empty
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::PopListItem(nsIDOMNode *aListItem, PRBool *aOutOfList)
|
||||
{
|
||||
// check parms
|
||||
if (!aListItem || !aOutOfList)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// init out params
|
||||
*aOutOfList = PR_FALSE;
|
||||
|
||||
nsCOMPtr<nsIDOMNode> curParent;
|
||||
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(aListItem));
|
||||
PRInt32 offset;
|
||||
nsresult res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (!IsListItem(curNode))
|
||||
return NS_ERROR_FAILURE;
|
||||
|
||||
// if it's first or last list item, dont need to split the list
|
||||
// otherwise we do.
|
||||
nsCOMPtr<nsIDOMNode> curParPar;
|
||||
PRInt32 parOffset;
|
||||
res = nsEditor::GetNodeLocation(curParent, &curParPar, &parOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsFirstListItem;
|
||||
res = IsFirstEditableChild(curNode, &bIsFirstListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsLastListItem;
|
||||
res = IsLastEditableChild(curNode, &bIsLastListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (!bIsFirstListItem && !bIsLastListItem)
|
||||
{
|
||||
// split the list
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = mEditor->SplitNode(curParent, offset, getter_AddRefs(newBlock));
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
if (!bIsFirstListItem) parOffset++;
|
||||
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = mEditor->InsertNode(curNode, curParPar, parOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// convert list items to divs if we promoted them out of list
|
||||
if (!IsList(curParPar) && IsListItem(curNode))
|
||||
{
|
||||
nsAutoString blockType("div");
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = ReplaceContainer(curNode,&newBlock,blockType);
|
||||
*aOutOfList = PR_TRUE;
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -57,6 +57,7 @@ protected:
|
|||
nsresult WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel);
|
||||
nsresult WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESelectionCollapseDirection aAction, PRBool *aCancel);
|
||||
nsresult WillMakeList(nsIDOMSelection *aSelection, PRBool aOrderd, PRBool *aCancel);
|
||||
nsresult WillRemoveList(nsIDOMSelection *aSelection, PRBool aOrderd, PRBool *aCancel);
|
||||
nsresult WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel);
|
||||
nsresult WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel);
|
||||
nsresult WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel);
|
||||
|
|
@ -83,8 +84,10 @@ protected:
|
|||
static PRBool IsBody(nsIDOMNode *aNode);
|
||||
static PRBool IsBlockquote(nsIDOMNode *aNode);
|
||||
static PRBool IsDiv(nsIDOMNode *aNode);
|
||||
static PRBool IsMailCite(nsIDOMNode *aNode);
|
||||
|
||||
nsresult IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock);
|
||||
nsresult IsEmptyNode(nsIDOMNode *aNode, PRBool *outIsEmptyNode);
|
||||
PRBool IsFirstNode(nsIDOMNode *aNode);
|
||||
PRBool IsLastNode(nsIDOMNode *aNode);
|
||||
|
||||
|
|
@ -116,6 +119,10 @@ protected:
|
|||
nsCOMPtr<nsIDOMNode> *aOutMergeParent,
|
||||
PRInt32 *aOutMergeOffset);
|
||||
|
||||
nsresult GetTopEnclosingMailCite(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutCiteNode);
|
||||
nsresult CleanUpSelection(nsIDOMSelection *aSelection);
|
||||
nsresult PopListItem(nsIDOMNode *aListItem, PRBool *aOutOfList);
|
||||
|
||||
};
|
||||
|
||||
#endif //nsHTMLEditRules_h__
|
||||
|
|
|
|||
|
|
@ -109,6 +109,8 @@ nsHTMLEditRules::WillDoAction(nsIDOMSelection *aSelection,
|
|||
return WillAlign(aSelection, info->alignType, aCancel);
|
||||
case kMakeBasicBlock:
|
||||
return WillMakeBasicBlock(aSelection, info->blockType, aCancel);
|
||||
case kRemoveList:
|
||||
return WillRemoveList(aSelection, info->bOrdered, aCancel);
|
||||
case kInsertElement:
|
||||
return WillInsert(aSelection, aCancel);
|
||||
}
|
||||
|
|
@ -129,6 +131,9 @@ nsHTMLEditRules::DidDoAction(nsIDOMSelection *aSelection,
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
// clean up any empty nodes in the selection
|
||||
CleanUpSelection(aSelection);
|
||||
|
||||
return nsTextEditRules::DidDoAction(aSelection, aInfo, aResult);
|
||||
}
|
||||
|
||||
|
|
@ -157,6 +162,37 @@ nsHTMLEditRules::WillInsertText(nsIDOMSelection *aSelection,
|
|||
// Insert Break txns don't auto merge with insert text txns
|
||||
nsAutoEditBatch beginBatching(mEditor);
|
||||
|
||||
// if the selection isn't collapsed, delete it.
|
||||
PRBool bCollapsed;
|
||||
res = aSelection->GetIsCollapsed(&bCollapsed);
|
||||
if (NS_FAILED(res)) return res;
|
||||
if (!bCollapsed)
|
||||
{
|
||||
res = mEditor->DeleteSelection(nsIEditor::eDoNothing);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
// split any mailcites in the way
|
||||
if (1 || mFlags & nsIHTMLEditor::eEditorMailMask)
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> citeNode, selNode;
|
||||
PRInt32 selOffset, newOffset;
|
||||
res = mEditor->GetStartNodeAndOffset(aSelection, &selNode, &selOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = GetTopEnclosingMailCite(selNode, &citeNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (citeNode)
|
||||
{
|
||||
res = mEditor->SplitNodeDeep(citeNode, selNode, selOffset, &newOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = citeNode->GetParentNode(getter_AddRefs(selNode));
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = aSelection->Collapse(selNode, newOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
}
|
||||
|
||||
// strategy: there are simple cases and harder cases. The harder cases
|
||||
// we handle recursively by breaking them into a series of simple cases.
|
||||
// The simple cases are:
|
||||
|
|
@ -227,6 +263,10 @@ nsHTMLEditRules::WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel)
|
|||
res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
// if the selection isn't collapsed, delete it.
|
||||
PRBool bCollapsed;
|
||||
res = aSelection->GetIsCollapsed(&bCollapsed);
|
||||
|
|
@ -300,6 +340,13 @@ nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESe
|
|||
// initialize out param
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
// if there is only bogus content, cancel the operation
|
||||
if (mBogusNode)
|
||||
{
|
||||
*aCancel = PR_TRUE;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult res = NS_OK;
|
||||
|
||||
PRBool bCollapsed;
|
||||
|
|
@ -344,6 +391,12 @@ nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESe
|
|||
// are the blocks of same type?
|
||||
nsCOMPtr<nsIDOMNode> leftParent = mEditor->GetBlockNodeParent(priorNode);
|
||||
nsCOMPtr<nsIDOMNode> rightParent = mEditor->GetBlockNodeParent(node);
|
||||
|
||||
// if leftParent or rightParent is null, it's because the
|
||||
// corresponding selection endpoint is in the body node.
|
||||
if (!leftParent || !rightParent)
|
||||
return NS_OK; // bail to default
|
||||
|
||||
nsCOMPtr<nsIAtom> leftAtom = mEditor->GetTag(leftParent);
|
||||
nsCOMPtr<nsIAtom> rightAtom = mEditor->GetTag(rightParent);
|
||||
|
||||
|
|
@ -411,30 +464,34 @@ nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESe
|
|||
// else not in text node; we need to find right place to act on
|
||||
else
|
||||
{
|
||||
|
||||
// XXX add (aAction == nsIEditor::eDeleteNext) case!!
|
||||
nsCOMPtr<nsIDOMNode> nodeToDelete;
|
||||
|
||||
nsCOMPtr<nsIDOMNode> nodeToBackspace;
|
||||
|
||||
res = mEditor->GetPriorNode(node, offset, PR_TRUE, getter_AddRefs(nodeToBackspace));
|
||||
if (aAction == nsIEditor::eDeletePrevious)
|
||||
res = mEditor->GetPriorNode(node, offset, PR_TRUE, getter_AddRefs(nodeToDelete));
|
||||
else if (aAction == nsIEditor::eDeleteNext)
|
||||
res = mEditor->GetNextNode(node, offset, PR_TRUE, getter_AddRefs(nodeToDelete));
|
||||
else
|
||||
return NS_OK;
|
||||
|
||||
if (NS_FAILED(res)) return res;
|
||||
if (!nodeToBackspace) return NS_ERROR_NULL_POINTER;
|
||||
if (!nodeToDelete) return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// if this node is text node, adjust selection
|
||||
if (nsEditor::IsTextNode(nodeToBackspace))
|
||||
if (nsEditor::IsTextNode(nodeToDelete))
|
||||
{
|
||||
PRUint32 len;
|
||||
PRUint32 selPoint = 0;
|
||||
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
||||
nodeAsText = do_QueryInterface(nodeToBackspace);
|
||||
nodeAsText->GetLength(&len);
|
||||
res = aSelection->Collapse(nodeToBackspace,len);
|
||||
nodeAsText = do_QueryInterface(nodeToDelete);
|
||||
if (aAction == nsIEditor::eDeletePrevious)
|
||||
nodeAsText->GetLength(&selPoint);
|
||||
res = aSelection->Collapse(nodeToDelete,selPoint);
|
||||
return res;
|
||||
}
|
||||
else
|
||||
{
|
||||
// editable leaf node is not text; delete it.
|
||||
// that's the default behavior
|
||||
res = nsEditor::GetNodeLocation(nodeToBackspace, &node, &offset);
|
||||
res = nsEditor::GetNodeLocation(nodeToDelete, &node, &offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
// adjust selection to be right after it, for benefit of
|
||||
// deletion code
|
||||
|
|
@ -538,13 +595,18 @@ nsresult
|
|||
nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
|
||||
nsresult res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
nsAutoString blockType("ul");
|
||||
if (aOrdered) blockType = "ol";
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
nsresult res;
|
||||
|
||||
PRBool outMakeEmpty;
|
||||
res = ShouldMakeEmptyBlock(aSelection, &blockType, &outMakeEmpty);
|
||||
|
|
@ -763,6 +825,95 @@ nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBo
|
|||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::WillRemoveList(nsIDOMSelection *aSelection, PRBool aOrdered, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
// initialize out param
|
||||
*aCancel = PR_TRUE;
|
||||
|
||||
nsAutoString blockType("ul");
|
||||
if (aOrdered) blockType = "ol";
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
|
||||
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
||||
nsresult res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeList);
|
||||
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, kMakeList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// Remove all non-editable nodes. Leave them be.
|
||||
|
||||
PRUint32 listCount;
|
||||
PRInt32 i;
|
||||
arrayOfNodes->Count(&listCount);
|
||||
for (i=listCount-1; i>=0; i--)
|
||||
{
|
||||
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
||||
nsCOMPtr<nsIDOMNode> testNode( do_QueryInterface(isupports ) );
|
||||
if (!mEditor->IsEditable(testNode))
|
||||
{
|
||||
arrayOfNodes->RemoveElementAt(i);
|
||||
}
|
||||
}
|
||||
|
||||
// Only act on lists or list items in the array
|
||||
nsCOMPtr<nsIDOMNode> curParent;
|
||||
for (i=0; i<listCount; i++)
|
||||
{
|
||||
// here's where we actually figure out what to do
|
||||
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
||||
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
||||
PRInt32 offset;
|
||||
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (IsListItem(curNode)) // unlist this listitem
|
||||
{
|
||||
PRBool bOutOfList;
|
||||
do
|
||||
{
|
||||
res = PopListItem(curNode, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
} while (!bOutOfList); // keep popping it out until it's not in a list anymore
|
||||
}
|
||||
else if (IsList(curNode)) // node is a list, move list items out
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> child;
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
|
||||
while (child)
|
||||
{
|
||||
if (IsListItem(child))
|
||||
{
|
||||
PRBool bOutOfList;
|
||||
do
|
||||
{
|
||||
res = PopListItem(child, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
} while (!bOutOfList); // keep popping it out until it's not in a list anymore
|
||||
}
|
||||
else
|
||||
{
|
||||
// delete any non- list items for now
|
||||
res = mEditor->DeleteNode(child);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
}
|
||||
// delete the now-empty list
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::WillMakeBasicBlock(nsIDOMSelection *aSelection, const nsString *aBlockType, PRBool *aCancel)
|
||||
{
|
||||
|
|
@ -800,11 +951,15 @@ nsresult
|
|||
nsHTMLEditRules::WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
// initialize out param
|
||||
*aCancel = PR_TRUE;
|
||||
|
||||
nsresult res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_TRUE;
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
nsresult res;
|
||||
|
||||
// convert the selection ranges into "promoted" selection ranges:
|
||||
// this basically just expands the range to include the immediate
|
||||
|
|
@ -956,67 +1111,34 @@ nsHTMLEditRules::WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel)
|
|||
}
|
||||
else // we are moving a list item, but not whole list
|
||||
{
|
||||
// if it's first or last list item, dont need to split the list
|
||||
// otherwise we do.
|
||||
nsCOMPtr<nsIDOMNode> curParPar;
|
||||
PRInt32 parOffset;
|
||||
res = nsEditor::GetNodeLocation(curParent, &curParPar, &parOffset);
|
||||
PRBool bOutOfList;
|
||||
res = PopListItem(curNode, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsFirstListItem;
|
||||
res = IsFirstEditableChild(curNode, &bIsFirstListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsLastListItem;
|
||||
res = IsLastEditableChild(curNode, &bIsLastListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (!bIsFirstListItem && !bIsLastListItem)
|
||||
{
|
||||
// split the list
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = mEditor->SplitNode(curParent, offset, getter_AddRefs(newBlock));
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
if (!bIsFirstListItem) parOffset++;
|
||||
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = mEditor->InsertNode(curNode, curParPar, parOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// convert list items to divs if we promoted them out of list
|
||||
if (!IsList(curParPar) && IsListItem(curNode))
|
||||
{
|
||||
nsAutoString blockType("div");
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = ReplaceContainer(curNode,&newBlock,blockType);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (IsList(curNode)) // node is a list, but parent is non-list: move list items out
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> child;
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
|
||||
while (child)
|
||||
{
|
||||
res = mEditor->DeleteNode(child);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = mEditor->InsertNode(child, curParent, offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (IsListItem(child))
|
||||
{
|
||||
nsAutoString blockType("div");
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = ReplaceContainer(child,&newBlock,blockType);
|
||||
PRBool bOutOfList;
|
||||
res = PopListItem(child, &bOutOfList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
else
|
||||
{
|
||||
// delete any non- list items for now
|
||||
res = mEditor->DeleteNode(child);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
curNode->GetLastChild(getter_AddRefs(child));
|
||||
}
|
||||
// delete the now-empty list
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
else if (transitionList[i]) // not list related - look for enclosing blockquotes and remove
|
||||
{
|
||||
|
|
@ -1045,11 +1167,15 @@ nsresult
|
|||
nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel)
|
||||
{
|
||||
if (!aSelection || !aCancel) { return NS_ERROR_NULL_POINTER; }
|
||||
// initialize out param
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
nsresult res = WillInsert(aSelection, aCancel);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// initialize out param
|
||||
// we want to ignore result of WillInsert()
|
||||
*aCancel = PR_FALSE;
|
||||
|
||||
nsAutoSelectionReset selectionResetter(aSelection);
|
||||
nsresult res = NS_OK;
|
||||
|
||||
PRBool outMakeEmpty;
|
||||
res = ShouldMakeEmptyBlock(aSelection, alignType, &outMakeEmpty);
|
||||
|
|
@ -1318,6 +1444,29 @@ nsHTMLEditRules::IsDiv(nsIDOMNode *node)
|
|||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// IsMailCite: true if node an html blockquote with type=cite
|
||||
//
|
||||
PRBool
|
||||
nsHTMLEditRules::IsMailCite(nsIDOMNode *node)
|
||||
{
|
||||
NS_PRECONDITION(node, "null parent passed to nsHTMLEditRules::IsMailCite");
|
||||
if (IsBlockquote(node))
|
||||
{
|
||||
nsCOMPtr<nsIDOMElement> bqElem = do_QueryInterface(node);
|
||||
nsAutoString typeAttrName("type");
|
||||
nsAutoString typeAttrVal;
|
||||
nsresult res = bqElem->GetAttribute(typeAttrName, typeAttrVal);
|
||||
if (NS_SUCCEEDED(res))
|
||||
{
|
||||
if (typeAttrVal == "cite")
|
||||
return PR_TRUE;
|
||||
}
|
||||
}
|
||||
return PR_FALSE;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// IsEmptyBlock: figure out if aNode is (or is inside) an empty block.
|
||||
// A block can have children and still be considered empty,
|
||||
|
|
@ -1330,27 +1479,48 @@ nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock)
|
|||
*outIsEmptyBlock = PR_TRUE;
|
||||
|
||||
nsresult res = NS_OK;
|
||||
nsCOMPtr<nsIContent> blockContent;
|
||||
if (nsEditor::IsBlockNode(aNode)) blockContent = do_QueryInterface(aNode);
|
||||
else
|
||||
nsCOMPtr<nsIDOMNode> nodeToTest;
|
||||
if (nsEditor::IsBlockNode(aNode)) nodeToTest = do_QueryInterface(aNode);
|
||||
else nsCOMPtr<nsIDOMElement> block;
|
||||
|
||||
if (!nodeToTest) return NS_ERROR_NULL_POINTER;
|
||||
return IsEmptyNode(nodeToTest, outIsEmptyBlock);
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// IsEmptyNode: figure out if aNode is an empty node.
|
||||
// A block can have children and still be considered empty,
|
||||
// if the children are empty or non-editable.
|
||||
//
|
||||
nsresult
|
||||
nsHTMLEditRules::IsEmptyNode(nsIDOMNode *aNode, PRBool *outIsEmptyNode)
|
||||
{
|
||||
if (!aNode || !outIsEmptyNode) return NS_ERROR_NULL_POINTER;
|
||||
*outIsEmptyNode = PR_TRUE;
|
||||
|
||||
// effeciency hack - special case if it's a text node
|
||||
if (nsEditor::IsTextNode(aNode))
|
||||
{
|
||||
nsCOMPtr<nsIDOMElement> block;
|
||||
res = nsEditor::GetBlockParent(aNode, getter_AddRefs(block));
|
||||
if (NS_FAILED(res)) return res;
|
||||
blockContent = do_QueryInterface(block);
|
||||
PRUint32 length = 0;
|
||||
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
||||
nodeAsText = do_QueryInterface(aNode);
|
||||
nodeAsText->GetLength(&length);
|
||||
if (length) *outIsEmptyNode = PR_FALSE;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
if (!blockContent) return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// iterate over block. if no children, or all children are either
|
||||
// empty text nodes or non-editable, then block qualifies as empty
|
||||
|
||||
// iterate over node. if no children, or all children are either
|
||||
// empty text nodes or non-editable, then node qualifies as empty
|
||||
nsCOMPtr<nsIContentIterator> iter;
|
||||
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
||||
nsCOMPtr<nsIContent> nodeAsContent = do_QueryInterface(aNode);
|
||||
if (!nodeAsContent) return NS_ERROR_FAILURE;
|
||||
nsresult res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
||||
nsnull,
|
||||
nsIContentIterator::GetIID(),
|
||||
getter_AddRefs(iter));
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = iter->Init(blockContent);
|
||||
res = iter->Init(nodeAsContent);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
while (NS_COMFALSE == iter->IsDone())
|
||||
|
|
@ -1371,14 +1541,14 @@ nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock)
|
|||
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
||||
nodeAsText = do_QueryInterface(node);
|
||||
nodeAsText->GetLength(&length);
|
||||
if (length) *outIsEmptyBlock = PR_FALSE;
|
||||
if (length) *outIsEmptyNode = PR_FALSE;
|
||||
}
|
||||
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;
|
||||
*outIsEmptyNode = PR_FALSE;
|
||||
}
|
||||
}
|
||||
res = iter->Next();
|
||||
|
|
@ -2538,6 +2708,10 @@ nsHTMLEditRules::IsLastEditableChild( nsIDOMNode *aNode, PRBool *aOutIsLast)
|
|||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////
|
||||
// JoinNodesSmart: join two nodes, doing whatever makes sense for their
|
||||
// children (which often means joining them, too).
|
||||
// aNodeLeft & aNodeRight must be same type of node.
|
||||
nsresult
|
||||
nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
||||
nsIDOMNode *aNodeRight,
|
||||
|
|
@ -2553,8 +2727,8 @@ nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
|||
|
||||
nsresult res = NS_OK;
|
||||
// caller responsible for:
|
||||
// left & right node are smae type
|
||||
// left & right node have smae parent
|
||||
// left & right node are same type
|
||||
// left & right node have same parent
|
||||
|
||||
nsCOMPtr<nsIDOMNode> parent;
|
||||
aNodeLeft->GetParentNode(getter_AddRefs(parent));
|
||||
|
|
@ -2587,8 +2761,181 @@ nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
|||
else
|
||||
{
|
||||
// for list items, divs, etc, merge smart
|
||||
res = JoinNodesSmart(aNodeLeft, aNodeRight, aOutMergeParent, aOutMergeOffset);
|
||||
res = mEditor->JoinNodes(aNodeLeft, aNodeRight, parent);
|
||||
if (NS_FAILED(res)) return res;
|
||||
// figure out newNodeLeft & newNodeRight and recurse
|
||||
// res = JoinNodesSmart(newNodeLeft, newNodeRight, aOutMergeParent, aOutMergeOffset);
|
||||
// if (NS_FAILED(res)) return res;
|
||||
return res;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::GetTopEnclosingMailCite(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutCiteNode)
|
||||
{
|
||||
// check parms
|
||||
if (!aNode || !aOutCiteNode)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
nsresult res = NS_OK;
|
||||
nsCOMPtr<nsIDOMNode> node, parentNode;
|
||||
node = do_QueryInterface(aNode);
|
||||
|
||||
while (node)
|
||||
{
|
||||
if (IsMailCite(node)) *aOutCiteNode = node;
|
||||
if (IsBody(node)) break;
|
||||
|
||||
res = node->GetParentNode(getter_AddRefs(parentNode));
|
||||
if (NS_FAILED(res)) return res;
|
||||
node = parentNode;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::CleanUpSelection(nsIDOMSelection *aSelection)
|
||||
{
|
||||
// check parms
|
||||
if (!aSelection)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// grab anything that can fit in the selection
|
||||
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
||||
nsresult res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeList);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// and walk it looking for empty nodes
|
||||
PRUint32 rangeCount, nodeCount;
|
||||
res = arrayOfRanges->Count(&rangeCount);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRInt32 i, j;
|
||||
nsCOMPtr<nsIDOMRange> opRange;
|
||||
nsCOMPtr<nsISupports> isupports;
|
||||
nsCOMPtr<nsIContentIterator> iter;
|
||||
|
||||
for (i = 0; i < rangeCount; i++)
|
||||
{
|
||||
isupports = (dont_AddRef)(arrayOfRanges->ElementAt(i));
|
||||
opRange = do_QueryInterface(isupports);
|
||||
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
||||
res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
||||
nsnull,
|
||||
nsIContentIterator::GetIID(),
|
||||
getter_AddRefs(iter));
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
do
|
||||
{
|
||||
res = iter->Init(opRange);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// gather up a list of empty nodes
|
||||
while (NS_COMFALSE == iter->IsDone())
|
||||
{
|
||||
nsCOMPtr<nsIDOMNode> node;
|
||||
nsCOMPtr<nsIContent> content;
|
||||
res = iter->CurrentNode(getter_AddRefs(content));
|
||||
if (NS_FAILED(res)) return res;
|
||||
node = do_QueryInterface(content);
|
||||
if (!node) return NS_ERROR_FAILURE;
|
||||
|
||||
PRBool bIsEmptyNode;
|
||||
res = IsEmptyNode(node, &bIsEmptyNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
if (bIsEmptyNode && !IsBody(node))
|
||||
{
|
||||
isupports = do_QueryInterface(node);
|
||||
arrayOfNodes->AppendElement(isupports);
|
||||
}
|
||||
res = iter->Next();
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
// now delete the empty nodes
|
||||
res = arrayOfNodes->Count(&nodeCount);
|
||||
if (NS_FAILED(res)) return res;
|
||||
for (j = 0; j < nodeCount; j++)
|
||||
{
|
||||
isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
||||
nsCOMPtr<nsIDOMNode> delNode( do_QueryInterface(isupports ) );
|
||||
arrayOfNodes->RemoveElementAt(0);
|
||||
res = mEditor->DeleteNode(delNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
} while (nodeCount); // if we deleted any, loop again
|
||||
// deleting some nodes may make some parents now empty
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
nsresult
|
||||
nsHTMLEditRules::PopListItem(nsIDOMNode *aListItem, PRBool *aOutOfList)
|
||||
{
|
||||
// check parms
|
||||
if (!aListItem || !aOutOfList)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
// init out params
|
||||
*aOutOfList = PR_FALSE;
|
||||
|
||||
nsCOMPtr<nsIDOMNode> curParent;
|
||||
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(aListItem));
|
||||
PRInt32 offset;
|
||||
nsresult res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (!IsListItem(curNode))
|
||||
return NS_ERROR_FAILURE;
|
||||
|
||||
// if it's first or last list item, dont need to split the list
|
||||
// otherwise we do.
|
||||
nsCOMPtr<nsIDOMNode> curParPar;
|
||||
PRInt32 parOffset;
|
||||
res = nsEditor::GetNodeLocation(curParent, &curParPar, &parOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsFirstListItem;
|
||||
res = IsFirstEditableChild(curNode, &bIsFirstListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRBool bIsLastListItem;
|
||||
res = IsLastEditableChild(curNode, &bIsLastListItem);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
if (!bIsFirstListItem && !bIsLastListItem)
|
||||
{
|
||||
// split the list
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = mEditor->SplitNode(curParent, offset, getter_AddRefs(newBlock));
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
if (!bIsFirstListItem) parOffset++;
|
||||
|
||||
res = mEditor->DeleteNode(curNode);
|
||||
if (NS_FAILED(res)) return res;
|
||||
res = mEditor->InsertNode(curNode, curParPar, parOffset);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
// convert list items to divs if we promoted them out of list
|
||||
if (!IsList(curParPar) && IsListItem(curNode))
|
||||
{
|
||||
nsAutoString blockType("div");
|
||||
nsCOMPtr<nsIDOMNode> newBlock;
|
||||
res = ReplaceContainer(curNode,&newBlock,blockType);
|
||||
*aOutOfList = PR_TRUE;
|
||||
if (NS_FAILED(res)) return res;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -57,6 +57,7 @@ protected:
|
|||
nsresult WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel);
|
||||
nsresult WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ESelectionCollapseDirection aAction, PRBool *aCancel);
|
||||
nsresult WillMakeList(nsIDOMSelection *aSelection, PRBool aOrderd, PRBool *aCancel);
|
||||
nsresult WillRemoveList(nsIDOMSelection *aSelection, PRBool aOrderd, PRBool *aCancel);
|
||||
nsresult WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel);
|
||||
nsresult WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel);
|
||||
nsresult WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel);
|
||||
|
|
@ -83,8 +84,10 @@ protected:
|
|||
static PRBool IsBody(nsIDOMNode *aNode);
|
||||
static PRBool IsBlockquote(nsIDOMNode *aNode);
|
||||
static PRBool IsDiv(nsIDOMNode *aNode);
|
||||
static PRBool IsMailCite(nsIDOMNode *aNode);
|
||||
|
||||
nsresult IsEmptyBlock(nsIDOMNode *aNode, PRBool *outIsEmptyBlock);
|
||||
nsresult IsEmptyNode(nsIDOMNode *aNode, PRBool *outIsEmptyNode);
|
||||
PRBool IsFirstNode(nsIDOMNode *aNode);
|
||||
PRBool IsLastNode(nsIDOMNode *aNode);
|
||||
|
||||
|
|
@ -116,6 +119,10 @@ protected:
|
|||
nsCOMPtr<nsIDOMNode> *aOutMergeParent,
|
||||
PRInt32 *aOutMergeOffset);
|
||||
|
||||
nsresult GetTopEnclosingMailCite(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutCiteNode);
|
||||
nsresult CleanUpSelection(nsIDOMSelection *aSelection);
|
||||
nsresult PopListItem(nsIDOMNode *aListItem, PRBool *aOutOfList);
|
||||
|
||||
};
|
||||
|
||||
#endif //nsHTMLEditRules_h__
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче