From 491557ab2959a5e57f63c21f17347e892eaf4b07 Mon Sep 17 00:00:00 2001 From: "jfrancis%netscape.com" Date: Sun, 25 Jul 1999 05:34:02 +0000 Subject: [PATCH] making plaintext flag force a "white-space: pre" style on the body. this is a fix for bug 9153 --- editor/base/nsTextEditRules.cpp | 129 ++++------------------ editor/libeditor/text/nsTextEditRules.cpp | 129 ++++------------------ 2 files changed, 42 insertions(+), 216 deletions(-) diff --git a/editor/base/nsTextEditRules.cpp b/editor/base/nsTextEditRules.cpp index c964c13c9d61..8ecf81263f68 100644 --- a/editor/base/nsTextEditRules.cpp +++ b/editor/base/nsTextEditRules.cpp @@ -86,6 +86,27 @@ nsTextEditRules::GetFlags(PRUint32 *aFlags) NS_IMETHODIMP nsTextEditRules::SetFlags(PRUint32 aFlags) { + if (mFlags == aFlags) return NS_OK; + + // XXX - this won't work if body element already has + // a style attribute on it, don't know why. + // SetFlags() is really meant to only be called once + // and at editor init time. + if (aFlags & TEXT_EDITOR_FLAG_PLAINTEXT) + { + if (!(mFlags & TEXT_EDITOR_FLAG_PLAINTEXT)) + { + // we are converting TO a plaintext editor + // put a "white-space: pre" style on the body + nsCOMPtr bodyElement; + nsresult res = mEditor->GetBodyElement(getter_AddRefs(bodyElement)); + if (NS_SUCCEEDED(res) && bodyElement) + { + // not going through the editor to do this. + bodyElement->SetAttribute("style", "white-space: pre"); + } + } + } mFlags = aFlags; return NS_OK; } @@ -98,16 +119,6 @@ nsTextEditRules::WillDoAction(nsIDOMSelection *aSelection, *aCancel = PR_FALSE; - // no matter what we are doing, sanity check the selection and force it - // to be inside the PRE element - -// XXX - don't know the right way to do this test: -// if ( this is the kind of editor that has a mandatory PRE tag ) -// { -// nsresult res = PinSelectionInPRE(aSelection); -// if (NS_FAILED(res)) return res; -// } - // my kingdom for dynamic cast nsTextRulesInfo *info = NS_STATIC_CAST(nsTextRulesInfo*, aInfo); @@ -936,104 +947,6 @@ nsTextEditRules::CreateBogusNodeIfNeeded(nsIDOMSelection *aSelection) } -static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID); - -nsresult -nsTextEditRules::PinSelectionInPRE(nsIDOMSelection *aSelection) -{ - if (!aSelection) - return NS_ERROR_NULL_POINTER; - - nsCOMPtr preElement = mEditor->FindPreElement(); - if (!preElement) - return NS_ERROR_NULL_POINTER; - nsCOMPtr preNode = do_QueryInterface(preElement); - - nsCOMPtr preRange; - nsresult res = nsComponentManager::CreateInstance(kRangeCID, nsnull, - nsIDOMRange::GetIID(), - getter_AddRefs(preRange)); - if (NS_FAILED(res)) return res; - res = preRange->SelectNodeContents(preNode); - if (NS_FAILED(res)) return res; - - PRInt32 len; - nsCOMPtr selectionRange; - nsCOMPtr pinRange; - - res = preRange->GetEndOffset(&len); - if (NS_FAILED(res)) return res; - - // there should only be one selection range in text docs - res = aSelection->GetRangeAt(0, getter_AddRefs(selectionRange)); - if (NS_FAILED(res)) return res; - res = selectionRange->Clone(getter_AddRefs(pinRange)); - if (NS_FAILED(res)) return res; - - PRInt32 order; - PRBool needToPin = PR_FALSE; - - res = preRange->CompareEndPoints(nsIDOMRange::END_TO_START, selectionRange, &order); - if (order > 0) - { - // start of range is after end of pre node; pin to end - res = pinRange->SetStart(preNode, len); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - res = preRange->CompareEndPoints(nsIDOMRange::START_TO_END, selectionRange, &order); - if (order < 0) - { - // end of range is before start of pre node; pin to start - res = pinRange->SetEnd(preNode, 0); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - res = preRange->CompareEndPoints(nsIDOMRange::START_TO_START, selectionRange, &order); - if (order < 0) - { - // start of range is before start of pre node; pin to start - res = pinRange->SetStart(preNode, 0); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - res = preRange->CompareEndPoints(nsIDOMRange::END_TO_END, selectionRange, &order); - if (order > 0) - { - // end of range is after end of pre node; pin to end - res = pinRange->SetEnd(preNode, len); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - - if (needToPin) - { - nsCOMPtr startNode; - nsCOMPtr endNode; - PRInt32 startOffset, endOffset; - res = pinRange->GetStartParent(getter_AddRefs(startNode)); - if (NS_FAILED(res)) return res; - res = pinRange->GetStartOffset(&startOffset); - if (NS_FAILED(res)) return res; - res = pinRange->GetEndParent(getter_AddRefs(endNode)); - if (NS_FAILED(res)) return res; - res = pinRange->GetEndOffset(&endOffset); - if (NS_FAILED(res)) return res; - res = aSelection->Collapse(startNode,startOffset); - if (NS_FAILED(res)) return res; - res = aSelection->Extend(endNode,endOffset); - if (NS_FAILED(res)) return res; - } - - return NS_OK; -} - - - - - - - diff --git a/editor/libeditor/text/nsTextEditRules.cpp b/editor/libeditor/text/nsTextEditRules.cpp index c964c13c9d61..8ecf81263f68 100644 --- a/editor/libeditor/text/nsTextEditRules.cpp +++ b/editor/libeditor/text/nsTextEditRules.cpp @@ -86,6 +86,27 @@ nsTextEditRules::GetFlags(PRUint32 *aFlags) NS_IMETHODIMP nsTextEditRules::SetFlags(PRUint32 aFlags) { + if (mFlags == aFlags) return NS_OK; + + // XXX - this won't work if body element already has + // a style attribute on it, don't know why. + // SetFlags() is really meant to only be called once + // and at editor init time. + if (aFlags & TEXT_EDITOR_FLAG_PLAINTEXT) + { + if (!(mFlags & TEXT_EDITOR_FLAG_PLAINTEXT)) + { + // we are converting TO a plaintext editor + // put a "white-space: pre" style on the body + nsCOMPtr bodyElement; + nsresult res = mEditor->GetBodyElement(getter_AddRefs(bodyElement)); + if (NS_SUCCEEDED(res) && bodyElement) + { + // not going through the editor to do this. + bodyElement->SetAttribute("style", "white-space: pre"); + } + } + } mFlags = aFlags; return NS_OK; } @@ -98,16 +119,6 @@ nsTextEditRules::WillDoAction(nsIDOMSelection *aSelection, *aCancel = PR_FALSE; - // no matter what we are doing, sanity check the selection and force it - // to be inside the PRE element - -// XXX - don't know the right way to do this test: -// if ( this is the kind of editor that has a mandatory PRE tag ) -// { -// nsresult res = PinSelectionInPRE(aSelection); -// if (NS_FAILED(res)) return res; -// } - // my kingdom for dynamic cast nsTextRulesInfo *info = NS_STATIC_CAST(nsTextRulesInfo*, aInfo); @@ -936,104 +947,6 @@ nsTextEditRules::CreateBogusNodeIfNeeded(nsIDOMSelection *aSelection) } -static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID); - -nsresult -nsTextEditRules::PinSelectionInPRE(nsIDOMSelection *aSelection) -{ - if (!aSelection) - return NS_ERROR_NULL_POINTER; - - nsCOMPtr preElement = mEditor->FindPreElement(); - if (!preElement) - return NS_ERROR_NULL_POINTER; - nsCOMPtr preNode = do_QueryInterface(preElement); - - nsCOMPtr preRange; - nsresult res = nsComponentManager::CreateInstance(kRangeCID, nsnull, - nsIDOMRange::GetIID(), - getter_AddRefs(preRange)); - if (NS_FAILED(res)) return res; - res = preRange->SelectNodeContents(preNode); - if (NS_FAILED(res)) return res; - - PRInt32 len; - nsCOMPtr selectionRange; - nsCOMPtr pinRange; - - res = preRange->GetEndOffset(&len); - if (NS_FAILED(res)) return res; - - // there should only be one selection range in text docs - res = aSelection->GetRangeAt(0, getter_AddRefs(selectionRange)); - if (NS_FAILED(res)) return res; - res = selectionRange->Clone(getter_AddRefs(pinRange)); - if (NS_FAILED(res)) return res; - - PRInt32 order; - PRBool needToPin = PR_FALSE; - - res = preRange->CompareEndPoints(nsIDOMRange::END_TO_START, selectionRange, &order); - if (order > 0) - { - // start of range is after end of pre node; pin to end - res = pinRange->SetStart(preNode, len); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - res = preRange->CompareEndPoints(nsIDOMRange::START_TO_END, selectionRange, &order); - if (order < 0) - { - // end of range is before start of pre node; pin to start - res = pinRange->SetEnd(preNode, 0); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - res = preRange->CompareEndPoints(nsIDOMRange::START_TO_START, selectionRange, &order); - if (order < 0) - { - // start of range is before start of pre node; pin to start - res = pinRange->SetStart(preNode, 0); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - res = preRange->CompareEndPoints(nsIDOMRange::END_TO_END, selectionRange, &order); - if (order > 0) - { - // end of range is after end of pre node; pin to end - res = pinRange->SetEnd(preNode, len); - if (NS_FAILED(res)) return res; - needToPin = PR_TRUE; - } - - if (needToPin) - { - nsCOMPtr startNode; - nsCOMPtr endNode; - PRInt32 startOffset, endOffset; - res = pinRange->GetStartParent(getter_AddRefs(startNode)); - if (NS_FAILED(res)) return res; - res = pinRange->GetStartOffset(&startOffset); - if (NS_FAILED(res)) return res; - res = pinRange->GetEndParent(getter_AddRefs(endNode)); - if (NS_FAILED(res)) return res; - res = pinRange->GetEndOffset(&endOffset); - if (NS_FAILED(res)) return res; - res = aSelection->Collapse(startNode,startOffset); - if (NS_FAILED(res)) return res; - res = aSelection->Extend(endNode,endOffset); - if (NS_FAILED(res)) return res; - } - - return NS_OK; -} - - - - - - -