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Moved GetTextSelectionOffsets and GetDocumentLength from nsTextEditRules to 

nsTextEditor.  Added GetDocumentLength to nsITextEditor public interface.
This commit is contained in:
buster%netscape.com 1999-06-28 13:36:38 +00:00
Родитель 0607a1d128
Коммит 02532a080a
7 изменённых файлов: 137 добавлений и 254 удалений
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121
editor/base/nsTextEditRules.cpp
Просмотреть файл

@ -243,7 +243,7 @@ nsTextEditRules::WillInsertText(nsIDOMSelection *aSelection,
// if len(doc) is at or over max, cancel the insert
// if l(doc) + l(input) > max, set aOutString to subset of inString so length = max
PRInt32 docLength;
result = GetLengthOfDocumentInCharacters(docLength);
result = mEditor->GetDocumentLength(&docLength);
if (NS_SUCCEEDED(result))
{
if (docLength >= aMaxLength)
@ -272,7 +272,7 @@ nsTextEditRules::WillInsertText(nsIDOMSelection *aSelection,
{
// manage the password buffer
PRInt32 start, end;
result = GetTextSelectionOffsets(aSelection, start, end);
result = mEditor->GetTextSelectionOffsets(aSelection, start, end);
NS_ASSERTION((NS_SUCCEEDED(result)), "getTextSelectionOffsets failed!");
mPasswordText.Insert(inString, start);
@ -346,7 +346,7 @@ nsTextEditRules::CreateStyleForInsertText(nsIDOMSelection *aSelection, TypeInSta
{
PRUint32 length;
anchorAsText->GetLength(&length);
if (length==offset)
if (length==(PRUint32)offset)
{
// newTextNode will be the left node
result = mEditor->SplitNode(anchorAsText, offset, getter_AddRefs(newTextNode));
@ -626,7 +626,7 @@ nsTextEditRules::WillDeleteSelection(nsIDOMSelection *aSelection,
{
// manage the password buffer
PRInt32 start, end;
GetTextSelectionOffsets(aSelection, start, end);
mEditor->GetTextSelectionOffsets(aSelection, start, end);
if (end==start)
{ // collapsed selection
if (nsIEditor::eDeleteLeft==aCollapsedAction && 0<start) { // del back
@ -925,116 +925,3 @@ nsTextEditRules::CreateBogusNodeIfNeeded(nsIDOMSelection *aSelection)
}
return result;
}
nsresult nsTextEditRules::GetLengthOfDocumentInCharacters(PRInt32 &aCount)
{
nsresult result;
// initialize out params
aCount = 0;
nsCOMPtr<nsIDOMSelection> sel;
mEditor->GetSelection(getter_AddRefs(sel));
if ((NS_SUCCEEDED(result)) && sel)
{
nsAutoSelectionReset selectionResetter(sel);
result = mEditor->SelectAll();
if (NS_SUCCEEDED(result))
{
PRInt32 start, end;
result = GetTextSelectionOffsets(sel, start, end);
if (NS_SUCCEEDED(result))
{
NS_ASSERTION(0==start, "GetTextSelectionOffsets failed to set start correctly.");
NS_ASSERTION(0<=end, "GetTextSelectionOffsets failed to set end correctly.");
if (0<=end) {
aCount = end;
}
}
}
}
return result;
}
// this is a complete ripoff from nsTextEditor::GetTextSelectionOffsetsForRange
// the two should use common code, or even just be one method
nsresult nsTextEditRules::GetTextSelectionOffsets(nsIDOMSelection *aSelection,
PRInt32 &aStartOffset,
PRInt32 &aEndOffset)
{
nsresult result;
// initialize out params
aStartOffset = 0; // default to first char in selection
aEndOffset = -1; // default to total length of text in selection
nsCOMPtr<nsIDOMNode> startNode, endNode, parentNode;
PRInt32 startOffset, endOffset;
aSelection->GetAnchorNode(getter_AddRefs(startNode));
aSelection->GetAnchorOffset(&startOffset);
aSelection->GetFocusNode(getter_AddRefs(endNode));
aSelection->GetFocusOffset(&endOffset);
nsCOMPtr<nsIEnumerator> enumerator;
enumerator = do_QueryInterface(aSelection);
if (enumerator)
{
// don't use "result" in this block
enumerator->First();
nsISupports *currentItem;
nsresult findParentResult = enumerator->CurrentItem(&currentItem);
if ((NS_SUCCEEDED(findParentResult)) && (nsnull!=currentItem))
{
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
range->GetCommonParent(getter_AddRefs(parentNode));
}
else parentNode = do_QueryInterface(startNode);
}
nsCOMPtr<nsIContentIterator> iter;
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
nsIContentIterator::GetIID(),
getter_AddRefs(iter));
if ((NS_SUCCEEDED(result)) && iter)
{
PRUint32 totalLength=0;
nsCOMPtr<nsIDOMCharacterData>textNode;
nsCOMPtr<nsIContent>blockParentContent = do_QueryInterface(parentNode);
iter->Init(blockParentContent);
// loop through the content iterator for each content node
nsCOMPtr<nsIContent> content;
result = iter->CurrentNode(getter_AddRefs(content));
while (NS_COMFALSE == iter->IsDone())
{
textNode = do_QueryInterface(content);
if (textNode)
{
nsCOMPtr<nsIDOMNode>currentNode = do_QueryInterface(textNode);
if (!currentNode) {return NS_ERROR_NO_INTERFACE;}
if (PR_TRUE==mEditor->IsEditable(currentNode))
{
if (currentNode.get() == startNode.get())
{
aStartOffset = totalLength + startOffset;
}
if (currentNode.get() == endNode.get())
{
aEndOffset = totalLength + endOffset;
break;
}
PRUint32 length;
textNode->GetLength(&length);
totalLength += length;
}
}
iter->Next();
iter->CurrentNode(getter_AddRefs(content));
}
if (-1==aEndOffset) {
aEndOffset = totalLength;
}
}
return result;
}

10
editor/base/nsTextEditRules.h
Просмотреть файл

@ -150,16 +150,6 @@ protected:
/** creates a bogus text node if the document has no editable content */
nsresult CreateBogusNodeIfNeeded(nsIDOMSelection *aSelection);
/** set aCount to the number of characters in the document. */
nsresult GetLengthOfDocumentInCharacters(PRInt32 &aCount);
/** returns the absolute position of the end points of aSelection
* in the document as a text stream.
*/
nsresult GetTextSelectionOffsets(nsIDOMSelection *aSelection,
PRInt32 &aStartOffset,
PRInt32 &aEndOffset);
// data
nsTextEditor *mEditor; // note that we do not refcount the editor
nsString mPasswordText; // a buffer we use to store the real value of password editors

117
editor/base/nsTextEditor.cpp
Просмотреть файл

@ -2817,3 +2817,120 @@ nsTextEditor::StopLogging()
return nsEditor::StopLogging();
}
NS_IMETHODIMP
nsTextEditor::GetDocumentLength(PRInt32 *aCount)
{
if (!aCount) { return NS_ERROR_NULL_POINTER; }
nsresult result;
// initialize out params
*aCount = 0;
nsCOMPtr<nsIDOMSelection> sel;
GetSelection(getter_AddRefs(sel));
if ((NS_SUCCEEDED(result)) && sel)
{
nsAutoSelectionReset selectionResetter(sel);
result = SelectAll();
if (NS_SUCCEEDED(result))
{
PRInt32 start, end;
result = GetTextSelectionOffsets(sel, start, end);
if (NS_SUCCEEDED(result))
{
NS_ASSERTION(0==start, "GetTextSelectionOffsets failed to set start correctly.");
NS_ASSERTION(0<=end, "GetTextSelectionOffsets failed to set end correctly.");
if (0<=end) {
*aCount = end;
}
}
}
}
return result;
}
// this is a complete ripoff from nsTextEditor::GetTextSelectionOffsetsForRange
// the two should use common code, or even just be one method
nsresult nsTextEditor::GetTextSelectionOffsets(nsIDOMSelection *aSelection,
PRInt32 &aStartOffset,
PRInt32 &aEndOffset)
{
nsresult result;
// initialize out params
aStartOffset = 0; // default to first char in selection
aEndOffset = -1; // default to total length of text in selection
nsCOMPtr<nsIDOMNode> startNode, endNode, parentNode;
PRInt32 startOffset, endOffset;
aSelection->GetAnchorNode(getter_AddRefs(startNode));
aSelection->GetAnchorOffset(&startOffset);
aSelection->GetFocusNode(getter_AddRefs(endNode));
aSelection->GetFocusOffset(&endOffset);
nsCOMPtr<nsIEnumerator> enumerator;
enumerator = do_QueryInterface(aSelection);
if (enumerator)
{
// don't use "result" in this block
enumerator->First();
nsISupports *currentItem;
nsresult findParentResult = enumerator->CurrentItem(&currentItem);
if ((NS_SUCCEEDED(findParentResult)) && (nsnull!=currentItem))
{
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
range->GetCommonParent(getter_AddRefs(parentNode));
}
else parentNode = do_QueryInterface(startNode);
}
nsCOMPtr<nsIContentIterator> iter;
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
nsIContentIterator::GetIID(),
getter_AddRefs(iter));
if ((NS_SUCCEEDED(result)) && iter)
{
PRUint32 totalLength=0;
nsCOMPtr<nsIDOMCharacterData>textNode;
nsCOMPtr<nsIContent>blockParentContent = do_QueryInterface(parentNode);
iter->Init(blockParentContent);
// loop through the content iterator for each content node
nsCOMPtr<nsIContent> content;
result = iter->CurrentNode(getter_AddRefs(content));
while (NS_COMFALSE == iter->IsDone())
{
textNode = do_QueryInterface(content);
if (textNode)
{
nsCOMPtr<nsIDOMNode>currentNode = do_QueryInterface(textNode);
if (!currentNode) {return NS_ERROR_NO_INTERFACE;}
if (PR_TRUE==IsEditable(currentNode))
{
if (currentNode.get() == startNode.get())
{
aStartOffset = totalLength + startOffset;
}
if (currentNode.get() == endNode.get())
{
aEndOffset = totalLength + endOffset;
break;
}
PRUint32 length;
textNode->GetLength(&length);
totalLength += length;
}
}
iter->Next();
iter->CurrentNode(getter_AddRefs(content));
}
if (-1==aEndOffset) {
aEndOffset = totalLength;
}
}
return result;
}

9
editor/base/nsTextEditor.h
Просмотреть файл

@ -54,6 +54,8 @@ public:
NS_IMETHOD GetFlags(PRUint32 *aFlags);
NS_IMETHOD SetFlags(PRUint32 aFlags);
NS_IMETHOD GetDocumentLength(PRInt32 *aCount);
//============================================================================
// Methods that are duplicates of nsEditor -- exposed here for convenience
@ -274,6 +276,13 @@ protected:
PRInt32 aEndOffset,
nsIDOMSelection *aSelection);
/** returns the absolute position of the end points of aSelection
* in the document as a text stream.
*/
nsresult GetTextSelectionOffsets(nsIDOMSelection *aSelection,
PRInt32 &aStartOffset,
PRInt32 &aEndOffset);
TypeInState *GetTypeInState();

121
editor/libeditor/text/nsTextEditRules.cpp
Просмотреть файл

@ -243,7 +243,7 @@ nsTextEditRules::WillInsertText(nsIDOMSelection *aSelection,
// if len(doc) is at or over max, cancel the insert
// if l(doc) + l(input) > max, set aOutString to subset of inString so length = max
PRInt32 docLength;
result = GetLengthOfDocumentInCharacters(docLength);
result = mEditor->GetDocumentLength(&docLength);
if (NS_SUCCEEDED(result))
{
if (docLength >= aMaxLength)
@ -272,7 +272,7 @@ nsTextEditRules::WillInsertText(nsIDOMSelection *aSelection,
{
// manage the password buffer
PRInt32 start, end;
result = GetTextSelectionOffsets(aSelection, start, end);
result = mEditor->GetTextSelectionOffsets(aSelection, start, end);
NS_ASSERTION((NS_SUCCEEDED(result)), "getTextSelectionOffsets failed!");
mPasswordText.Insert(inString, start);
@ -346,7 +346,7 @@ nsTextEditRules::CreateStyleForInsertText(nsIDOMSelection *aSelection, TypeInSta
{
PRUint32 length;
anchorAsText->GetLength(&length);
if (length==offset)
if (length==(PRUint32)offset)
{
// newTextNode will be the left node
result = mEditor->SplitNode(anchorAsText, offset, getter_AddRefs(newTextNode));
@ -626,7 +626,7 @@ nsTextEditRules::WillDeleteSelection(nsIDOMSelection *aSelection,
{
// manage the password buffer
PRInt32 start, end;
GetTextSelectionOffsets(aSelection, start, end);
mEditor->GetTextSelectionOffsets(aSelection, start, end);
if (end==start)
{ // collapsed selection
if (nsIEditor::eDeleteLeft==aCollapsedAction && 0<start) { // del back
@ -925,116 +925,3 @@ nsTextEditRules::CreateBogusNodeIfNeeded(nsIDOMSelection *aSelection)
}
return result;
}
nsresult nsTextEditRules::GetLengthOfDocumentInCharacters(PRInt32 &aCount)
{
nsresult result;
// initialize out params
aCount = 0;
nsCOMPtr<nsIDOMSelection> sel;
mEditor->GetSelection(getter_AddRefs(sel));
if ((NS_SUCCEEDED(result)) && sel)
{
nsAutoSelectionReset selectionResetter(sel);
result = mEditor->SelectAll();
if (NS_SUCCEEDED(result))
{
PRInt32 start, end;
result = GetTextSelectionOffsets(sel, start, end);
if (NS_SUCCEEDED(result))
{
NS_ASSERTION(0==start, "GetTextSelectionOffsets failed to set start correctly.");
NS_ASSERTION(0<=end, "GetTextSelectionOffsets failed to set end correctly.");
if (0<=end) {
aCount = end;
}
}
}
}
return result;
}
// this is a complete ripoff from nsTextEditor::GetTextSelectionOffsetsForRange
// the two should use common code, or even just be one method
nsresult nsTextEditRules::GetTextSelectionOffsets(nsIDOMSelection *aSelection,
PRInt32 &aStartOffset,
PRInt32 &aEndOffset)
{
nsresult result;
// initialize out params
aStartOffset = 0; // default to first char in selection
aEndOffset = -1; // default to total length of text in selection
nsCOMPtr<nsIDOMNode> startNode, endNode, parentNode;
PRInt32 startOffset, endOffset;
aSelection->GetAnchorNode(getter_AddRefs(startNode));
aSelection->GetAnchorOffset(&startOffset);
aSelection->GetFocusNode(getter_AddRefs(endNode));
aSelection->GetFocusOffset(&endOffset);
nsCOMPtr<nsIEnumerator> enumerator;
enumerator = do_QueryInterface(aSelection);
if (enumerator)
{
// don't use "result" in this block
enumerator->First();
nsISupports *currentItem;
nsresult findParentResult = enumerator->CurrentItem(&currentItem);
if ((NS_SUCCEEDED(findParentResult)) && (nsnull!=currentItem))
{
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
range->GetCommonParent(getter_AddRefs(parentNode));
}
else parentNode = do_QueryInterface(startNode);
}
nsCOMPtr<nsIContentIterator> iter;
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
nsIContentIterator::GetIID(),
getter_AddRefs(iter));
if ((NS_SUCCEEDED(result)) && iter)
{
PRUint32 totalLength=0;
nsCOMPtr<nsIDOMCharacterData>textNode;
nsCOMPtr<nsIContent>blockParentContent = do_QueryInterface(parentNode);
iter->Init(blockParentContent);
// loop through the content iterator for each content node
nsCOMPtr<nsIContent> content;
result = iter->CurrentNode(getter_AddRefs(content));
while (NS_COMFALSE == iter->IsDone())
{
textNode = do_QueryInterface(content);
if (textNode)
{
nsCOMPtr<nsIDOMNode>currentNode = do_QueryInterface(textNode);
if (!currentNode) {return NS_ERROR_NO_INTERFACE;}
if (PR_TRUE==mEditor->IsEditable(currentNode))
{
if (currentNode.get() == startNode.get())
{
aStartOffset = totalLength + startOffset;
}
if (currentNode.get() == endNode.get())
{
aEndOffset = totalLength + endOffset;
break;
}
PRUint32 length;
textNode->GetLength(&length);
totalLength += length;
}
}
iter->Next();
iter->CurrentNode(getter_AddRefs(content));
}
if (-1==aEndOffset) {
aEndOffset = totalLength;
}
}
return result;
}

10
editor/libeditor/text/nsTextEditRules.h
Просмотреть файл

@ -150,16 +150,6 @@ protected:
/** creates a bogus text node if the document has no editable content */
nsresult CreateBogusNodeIfNeeded(nsIDOMSelection *aSelection);
/** set aCount to the number of characters in the document. */
nsresult GetLengthOfDocumentInCharacters(PRInt32 &aCount);
/** returns the absolute position of the end points of aSelection
* in the document as a text stream.
*/
nsresult GetTextSelectionOffsets(nsIDOMSelection *aSelection,
PRInt32 &aStartOffset,
PRInt32 &aEndOffset);
// data
nsTextEditor *mEditor; // note that we do not refcount the editor
nsString mPasswordText; // a buffer we use to store the real value of password editors

3
editor/public/nsITextEditor.h
Просмотреть файл

@ -76,6 +76,9 @@ public:
/** set the edit flags for this editor. May be called at any time. */
NS_IMETHOD SetFlags(PRUint32 aFlags)=0;
/** get the length of the document in characters */
NS_IMETHOD GetDocumentLength(PRInt32 *aCount)=0;
/**
* SetTextProperties() sets the aggregate properties on the current selection
*