mozilla
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gecko-dev
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split and join now properly remember which content gets deleted, and which content remains in the tree 

split and join now properly set selection to the remaining node, at the proper offset.
fixes bugs 3910 3881, with approval from chofmann
This commit is contained in:
buster%netscape.com 1999-03-17 20:56:10 +00:00
Родитель 8e87458b8a
Коммит af5243998a
6 изменённых файлов: 206 добавлений и 18 удалений
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50
editor/base/JoinElementTxn.cpp
Просмотреть файл

@ -18,6 +18,8 @@
#include "JoinElementTxn.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMCharacterData.h"
#include "nsIDOMSelection.h"
#include "nsIEditorSupport.h"
static NS_DEFINE_IID(kIEditorSupportIID, NS_IEDITORSUPPORT_IID);
@ -66,12 +68,34 @@ NS_IMETHODIMP JoinElementTxn::Do(void)
if ((NS_SUCCEEDED(result)) && (childNodes)) {
childNodes->GetLength(&mOffset);
}
else
{
nsCOMPtr<nsIDOMCharacterData> leftNodeAsText;
leftNodeAsText = do_QueryInterface(mLeftNode);
if (leftNodeAsText) {
leftNodeAsText->GetLength(&mOffset);
}
}
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
result = editor->JoinNodesImpl(mLeftNode, mRightNode, mParent, PR_TRUE);
result = editor->JoinNodesImpl(mRightNode, mLeftNode, mParent, PR_FALSE);
if (NS_SUCCEEDED(result))
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mRightNode, mOffset);
}
}
}
}
else
{
NS_ASSERTION(PR_FALSE, "2 nodes do not have same parent");
return NS_ERROR_INVALID_ARG;
}
}
}
}
@ -86,6 +110,15 @@ NS_IMETHODIMP JoinElementTxn::Undo(void)
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
result = editor->SplitNodeImpl(mRightNode, mOffset, mLeftNode, mParent);
if (NS_SUCCEEDED(result) && mLeftNode)
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mLeftNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -98,8 +131,18 @@ NS_IMETHODIMP JoinElementTxn::Redo(void)
nsresult result;
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
result = editor->JoinNodesImpl(mLeftNode, mRightNode, mParent, PR_TRUE);
if (NS_SUCCEEDED(result) && editor)
{
result = editor->JoinNodesImpl(mRightNode, mLeftNode, mParent, PR_FALSE);
if (NS_SUCCEEDED(result))
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mRightNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -107,6 +150,7 @@ NS_IMETHODIMP JoinElementTxn::Redo(void)
return result;
}
NS_IMETHODIMP JoinElementTxn::GetIsTransient(PRBool *aIsTransient)
{
if (nsnull!=aIsTransient)

60
editor/base/SplitElementTxn.cpp
Просмотреть файл

@ -18,7 +18,7 @@
#include "SplitElementTxn.h"
#include "nsIDOMNode.h"
#include "nsIDOMElement.h"
#include "nsIDOMSelection.h"
#include "nsIEditorSupport.h"
static NS_DEFINE_IID(kIEditorSupportIID, NS_IEDITORSUPPORT_IID);
@ -30,8 +30,8 @@ SplitElementTxn::SplitElementTxn()
}
NS_IMETHODIMP SplitElementTxn::Init(nsIEditor *aEditor,
nsIDOMNode *aNode,
PRInt32 aOffset)
nsIDOMNode *aNode,
PRInt32 aOffset)
{
mEditor = do_QueryInterface(aEditor);
mExistingRightNode = do_QueryInterface(aNode);
@ -45,6 +45,10 @@ SplitElementTxn::~SplitElementTxn()
NS_IMETHODIMP SplitElementTxn::Do(void)
{
NS_ASSERTION(mExistingRightNode, "bad state");
if (!mExistingRightNode) {
return NS_ERROR_NOT_INITIALIZED;
}
// create a new node
nsresult result = mExistingRightNode->CloneNode(PR_FALSE, getter_AddRefs(mNewLeftNode));
NS_ASSERTION(((NS_SUCCEEDED(result)) && (mNewLeftNode)), "could not create element.");
@ -58,8 +62,18 @@ NS_IMETHODIMP SplitElementTxn::Do(void)
{
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
if (NS_SUCCEEDED(result) && editor)
{
result = editor->SplitNodeImpl(mExistingRightNode, mOffset, mNewLeftNode, mParent);
if (NS_SUCCEEDED(result) && mNewLeftNode)
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mNewLeftNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -71,12 +85,42 @@ NS_IMETHODIMP SplitElementTxn::Do(void)
NS_IMETHODIMP SplitElementTxn::Undo(void)
{
NS_ASSERTION(mExistingRightNode && mNewLeftNode && mParent, "bad state");
if (!mExistingRightNode || !mNewLeftNode || !mParent) {
return NS_ERROR_NOT_INITIALIZED;
}
#ifdef NS_DEBUG
// sanity check
nsCOMPtr<nsIDOMNode>parent;
nsresult debugResult = mExistingRightNode->GetParentNode(getter_AddRefs(parent));
NS_ASSERTION((NS_SUCCEEDED(debugResult)), "bad GetParentNode result for right child");
NS_ASSERTION(parent, "bad GetParentNode for right child");
NS_ASSERTION(parent==mParent, "bad GetParentNode for right child, parents don't match");
debugResult = mNewLeftNode->GetParentNode(getter_AddRefs(parent));
NS_ASSERTION((NS_SUCCEEDED(debugResult)), "bad GetParentNode result for left child");
NS_ASSERTION(parent, "bad GetParentNode for left child");
NS_ASSERTION(parent==mParent, "bad GetParentNode for right child, left don't match");
#endif
// this assumes Do inserted the new node in front of the prior existing node
nsresult result;
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
if (NS_SUCCEEDED(result) && editor)
{
result = editor->JoinNodesImpl(mExistingRightNode, mNewLeftNode, mParent, PR_FALSE);
if (NS_SUCCEEDED(result) && mNewLeftNode)
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mExistingRightNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -84,8 +128,13 @@ NS_IMETHODIMP SplitElementTxn::Undo(void)
return result;
}
/*
NS_IMETHODIMP SplitElementTxn::Redo(void)
{
NS_ASSERTION(mExistingRightNode && mNewLeftNode && mParent, "bad state");
if (!mExistingRightNode || !mNewLeftNode || !mParent) {
return NS_ERROR_NOT_INITIALIZED;
}
nsresult result;
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
@ -97,6 +146,7 @@ NS_IMETHODIMP SplitElementTxn::Redo(void)
}
return result;
}
*/
NS_IMETHODIMP SplitElementTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransaction)
{

2
editor/base/SplitElementTxn.h
Просмотреть файл

@ -57,7 +57,7 @@ public:
NS_IMETHOD Undo(void);
NS_IMETHOD Redo(void);
//NS_IMETHOD Redo(void);
NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction);

50
editor/libeditor/base/JoinElementTxn.cpp
Просмотреть файл

@ -18,6 +18,8 @@
#include "JoinElementTxn.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMCharacterData.h"
#include "nsIDOMSelection.h"
#include "nsIEditorSupport.h"
static NS_DEFINE_IID(kIEditorSupportIID, NS_IEDITORSUPPORT_IID);
@ -66,12 +68,34 @@ NS_IMETHODIMP JoinElementTxn::Do(void)
if ((NS_SUCCEEDED(result)) && (childNodes)) {
childNodes->GetLength(&mOffset);
}
else
{
nsCOMPtr<nsIDOMCharacterData> leftNodeAsText;
leftNodeAsText = do_QueryInterface(mLeftNode);
if (leftNodeAsText) {
leftNodeAsText->GetLength(&mOffset);
}
}
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
result = editor->JoinNodesImpl(mLeftNode, mRightNode, mParent, PR_TRUE);
result = editor->JoinNodesImpl(mRightNode, mLeftNode, mParent, PR_FALSE);
if (NS_SUCCEEDED(result))
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mRightNode, mOffset);
}
}
}
}
else
{
NS_ASSERTION(PR_FALSE, "2 nodes do not have same parent");
return NS_ERROR_INVALID_ARG;
}
}
}
}
@ -86,6 +110,15 @@ NS_IMETHODIMP JoinElementTxn::Undo(void)
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
result = editor->SplitNodeImpl(mRightNode, mOffset, mLeftNode, mParent);
if (NS_SUCCEEDED(result) && mLeftNode)
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mLeftNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -98,8 +131,18 @@ NS_IMETHODIMP JoinElementTxn::Redo(void)
nsresult result;
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
result = editor->JoinNodesImpl(mLeftNode, mRightNode, mParent, PR_TRUE);
if (NS_SUCCEEDED(result) && editor)
{
result = editor->JoinNodesImpl(mRightNode, mLeftNode, mParent, PR_FALSE);
if (NS_SUCCEEDED(result))
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mRightNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -107,6 +150,7 @@ NS_IMETHODIMP JoinElementTxn::Redo(void)
return result;
}
NS_IMETHODIMP JoinElementTxn::GetIsTransient(PRBool *aIsTransient)
{
if (nsnull!=aIsTransient)

60
editor/libeditor/base/SplitElementTxn.cpp
Просмотреть файл

@ -18,7 +18,7 @@
#include "SplitElementTxn.h"
#include "nsIDOMNode.h"
#include "nsIDOMElement.h"
#include "nsIDOMSelection.h"
#include "nsIEditorSupport.h"
static NS_DEFINE_IID(kIEditorSupportIID, NS_IEDITORSUPPORT_IID);
@ -30,8 +30,8 @@ SplitElementTxn::SplitElementTxn()
}
NS_IMETHODIMP SplitElementTxn::Init(nsIEditor *aEditor,
nsIDOMNode *aNode,
PRInt32 aOffset)
nsIDOMNode *aNode,
PRInt32 aOffset)
{
mEditor = do_QueryInterface(aEditor);
mExistingRightNode = do_QueryInterface(aNode);
@ -45,6 +45,10 @@ SplitElementTxn::~SplitElementTxn()
NS_IMETHODIMP SplitElementTxn::Do(void)
{
NS_ASSERTION(mExistingRightNode, "bad state");
if (!mExistingRightNode) {
return NS_ERROR_NOT_INITIALIZED;
}
// create a new node
nsresult result = mExistingRightNode->CloneNode(PR_FALSE, getter_AddRefs(mNewLeftNode));
NS_ASSERTION(((NS_SUCCEEDED(result)) && (mNewLeftNode)), "could not create element.");
@ -58,8 +62,18 @@ NS_IMETHODIMP SplitElementTxn::Do(void)
{
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
if (NS_SUCCEEDED(result) && editor)
{
result = editor->SplitNodeImpl(mExistingRightNode, mOffset, mNewLeftNode, mParent);
if (NS_SUCCEEDED(result) && mNewLeftNode)
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mNewLeftNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -71,12 +85,42 @@ NS_IMETHODIMP SplitElementTxn::Do(void)
NS_IMETHODIMP SplitElementTxn::Undo(void)
{
NS_ASSERTION(mExistingRightNode && mNewLeftNode && mParent, "bad state");
if (!mExistingRightNode || !mNewLeftNode || !mParent) {
return NS_ERROR_NOT_INITIALIZED;
}
#ifdef NS_DEBUG
// sanity check
nsCOMPtr<nsIDOMNode>parent;
nsresult debugResult = mExistingRightNode->GetParentNode(getter_AddRefs(parent));
NS_ASSERTION((NS_SUCCEEDED(debugResult)), "bad GetParentNode result for right child");
NS_ASSERTION(parent, "bad GetParentNode for right child");
NS_ASSERTION(parent==mParent, "bad GetParentNode for right child, parents don't match");
debugResult = mNewLeftNode->GetParentNode(getter_AddRefs(parent));
NS_ASSERTION((NS_SUCCEEDED(debugResult)), "bad GetParentNode result for left child");
NS_ASSERTION(parent, "bad GetParentNode for left child");
NS_ASSERTION(parent==mParent, "bad GetParentNode for right child, left don't match");
#endif
// this assumes Do inserted the new node in front of the prior existing node
nsresult result;
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
if (NS_SUCCEEDED(result) && editor) {
if (NS_SUCCEEDED(result) && editor)
{
result = editor->JoinNodesImpl(mExistingRightNode, mNewLeftNode, mParent, PR_FALSE);
if (NS_SUCCEEDED(result) && mNewLeftNode)
{
nsCOMPtr<nsIDOMSelection>selection;
mEditor->GetSelection(getter_AddRefs(selection));
if (selection)
{
selection->Collapse(mExistingRightNode, mOffset);
}
}
}
else {
result = NS_ERROR_NOT_IMPLEMENTED;
@ -84,8 +128,13 @@ NS_IMETHODIMP SplitElementTxn::Undo(void)
return result;
}
/*
NS_IMETHODIMP SplitElementTxn::Redo(void)
{
NS_ASSERTION(mExistingRightNode && mNewLeftNode && mParent, "bad state");
if (!mExistingRightNode || !mNewLeftNode || !mParent) {
return NS_ERROR_NOT_INITIALIZED;
}
nsresult result;
nsCOMPtr<nsIEditorSupport> editor;
result = mEditor->QueryInterface(kIEditorSupportIID, getter_AddRefs(editor));
@ -97,6 +146,7 @@ NS_IMETHODIMP SplitElementTxn::Redo(void)
}
return result;
}
*/
NS_IMETHODIMP SplitElementTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransaction)
{

2
editor/libeditor/base/SplitElementTxn.h
Просмотреть файл

@ -57,7 +57,7 @@ public:
NS_IMETHOD Undo(void);
NS_IMETHOD Redo(void);
//NS_IMETHOD Redo(void);
NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction);