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pjs/editor/libeditor/base/nsEditorCommands.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Kathleen Brade <brade@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCRT.h"
#include "nsString.h"
#include "nsIEditor.h"
#include "nsIPlaintextEditor.h"
#include "nsIEditorMailSupport.h"
#include "nsISelectionController.h"
#include "nsIClipboard.h"
#include "nsEditorCommands.h"
#define STATE_ENABLED "state_enabled"
#define STATE_DATA "state_data"
nsBaseEditorCommand::nsBaseEditorCommand()
{
}
NS_IMPL_ISUPPORTS1(nsBaseEditorCommand, nsIControllerCommand)
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsUndoCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
{
PRBool isEnabled;
return editor->CanUndo(&isEnabled, outCmdEnabled);
}
*outCmdEnabled = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsUndoCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->Undo(1);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsUndoCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsUndoCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsRedoCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
{
PRBool isEnabled;
return editor->CanRedo(&isEnabled, outCmdEnabled);
}
*outCmdEnabled = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsRedoCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->Redo(1);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsRedoCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsRedoCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsClearUndoCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon, PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
*outCmdEnabled = (editor != nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsClearUndoCommand::DoCommand(const char *aCommandName, nsISupports *refCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (!editor) return NS_ERROR_NOT_IMPLEMENTED;
editor->EnableUndo(PR_FALSE); // Turning off undo clears undo/redo stacks.
editor->EnableUndo(PR_TRUE); // This re-enables undo/redo.
return NS_OK;
}
NS_IMETHODIMP
nsClearUndoCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsClearUndoCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
PRBool enabled;
nsresult rv = IsCommandEnabled(aCommandName, refCon, &enabled);
NS_ENSURE_SUCCESS(rv, rv);
return aParams->SetBooleanValue(STATE_ENABLED, enabled);
}
NS_IMETHODIMP
nsCutCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->CanCut(outCmdEnabled);
*outCmdEnabled = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsCutCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->Cut();
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsCutCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsCutCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsCutOrDeleteCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
*outCmdEnabled = (editor != nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsCutOrDeleteCommand::DoCommand(const char *aCommandName,
nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
{
nsCOMPtr<nsISelection> selection;
nsresult rv = editor->GetSelection(getter_AddRefs(selection));
if (NS_SUCCEEDED(rv) && selection)
{
PRBool isCollapsed;
rv = selection->GetIsCollapsed(&isCollapsed);
if (NS_SUCCEEDED(rv) && isCollapsed)
return editor->DeleteSelection(nsIEditor::eNext);
}
return editor->Cut();
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsCutOrDeleteCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsCutOrDeleteCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsCopyCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->CanCopy(outCmdEnabled);
*outCmdEnabled = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsCopyCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->Copy();
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsCopyCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsCopyCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsCopyOrDeleteCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
*outCmdEnabled = (editor != nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsCopyOrDeleteCommand::DoCommand(const char *aCommandName,
nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
{
nsCOMPtr<nsISelection> selection;
nsresult rv = editor->GetSelection(getter_AddRefs(selection));
if (NS_SUCCEEDED(rv) && selection)
{
PRBool isCollapsed;
rv = selection->GetIsCollapsed(&isCollapsed);
if (NS_SUCCEEDED(rv) && isCollapsed)
return editor->DeleteSelection(nsIEditor::eNextWord);
}
return editor->Copy();
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsCopyOrDeleteCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsCopyOrDeleteCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsPasteCommand::IsCommandEnabled(const char *aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->CanPaste(nsIClipboard::kGlobalClipboard, outCmdEnabled);
*outCmdEnabled = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsPasteCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (!editor)
return NS_ERROR_FAILURE;
return editor->Paste(nsIClipboard::kGlobalClipboard);
}
NS_IMETHODIMP
nsPasteCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsPasteCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsSwitchTextDirectionCommand::IsCommandEnabled(const char *aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
*outCmdEnabled = (editor != nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsSwitchTextDirectionCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (!editor)
return NS_ERROR_FAILURE;
return editor->SwitchTextDirection();
}
NS_IMETHODIMP
nsSwitchTextDirectionCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsSwitchTextDirectionCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canSwitchTextDirection = PR_TRUE;
IsCommandEnabled(aCommandName, aCommandRefCon, &canSwitchTextDirection);
return aParams->SetBooleanValue(STATE_ENABLED, canSwitchTextDirection);
}
NS_IMETHODIMP
nsDeleteCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
*outCmdEnabled = PR_FALSE;
// we can delete when we can cut
if (!editor)
return NS_OK;
if (!nsCRT::strcmp(aCommandName,"cmd_delete"))
return editor->CanCut(outCmdEnabled);
else if (!nsCRT::strcmp(aCommandName,"cmd_deleteCharBackward"))
*outCmdEnabled = PR_TRUE;
else if (!nsCRT::strcmp(aCommandName,"cmd_deleteCharForward"))
*outCmdEnabled = PR_TRUE;
else if (!nsCRT::strcmp(aCommandName,"cmd_deleteWordBackward"))
*outCmdEnabled = PR_TRUE;
else if (!nsCRT::strcmp(aCommandName,"cmd_deleteWordForward"))
*outCmdEnabled = PR_TRUE;
else if (!nsCRT::strcmp(aCommandName,"cmd_deleteToBeginningOfLine"))
*outCmdEnabled = PR_TRUE;
else if (!nsCRT::strcmp(aCommandName,"cmd_deleteToEndOfLine"))
*outCmdEnabled = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsDeleteCommand::DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (!editor)
return NS_ERROR_FAILURE;
nsIEditor::EDirection deleteDir = nsIEditor::eNone;
if (!nsCRT::strcmp("cmd_delete",aCommandName))
deleteDir = nsIEditor::ePrevious;
else if (!nsCRT::strcmp("cmd_deleteCharBackward",aCommandName))
deleteDir = nsIEditor::ePrevious;
else if (!nsCRT::strcmp("cmd_deleteCharForward",aCommandName))
deleteDir = nsIEditor::eNext;
else if (!nsCRT::strcmp("cmd_deleteWordBackward",aCommandName))
deleteDir = nsIEditor::ePreviousWord;
else if (!nsCRT::strcmp("cmd_deleteWordForward",aCommandName))
deleteDir = nsIEditor::eNextWord;
else if (!nsCRT::strcmp("cmd_deleteToBeginningOfLine",aCommandName))
deleteDir = nsIEditor::eToBeginningOfLine;
else if (!nsCRT::strcmp("cmd_deleteToEndOfLine",aCommandName))
deleteDir = nsIEditor::eToEndOfLine;
return editor->DeleteSelection(deleteDir);
}
NS_IMETHODIMP
nsDeleteCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsDeleteCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsSelectAllCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
// you can select all if there is an editor (and potentially no contents)
// some day we may want to change this
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
*outCmdEnabled = (editor != nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsSelectAllCommand::DoCommand(const char *aCommandName,
nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (editor)
return editor->SelectAll();
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSelectAllCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsSelectAllCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
NS_IMETHODIMP
nsSelectionMoveCommands::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
*outCmdEnabled = (editor != nsnull);
if (!editor)
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
nsSelectionMoveCommands::DoCommand(const char *aCommandName,
nsISupports *aCommandRefCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (!editor)
return NS_ERROR_FAILURE;
nsCOMPtr<nsISelectionController> selCont;
nsresult rv = editor->GetSelectionController(getter_AddRefs(selCont));
if (NS_FAILED(rv))
return rv;
if (!selCont)
return NS_ERROR_FAILURE;
// complete scroll commands
if (!nsCRT::strcmp(aCommandName,"cmd_scrollTop"))
return selCont->CompleteScroll(PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_scrollBottom"))
return selCont->CompleteScroll(PR_TRUE);
// complete move commands
else if (!nsCRT::strcmp(aCommandName,"cmd_moveTop"))
return selCont->CompleteMove(PR_FALSE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_moveBottom"))
return selCont->CompleteMove(PR_TRUE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectTop"))
return selCont->CompleteMove(PR_FALSE, PR_TRUE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectBottom"))
return selCont->CompleteMove(PR_TRUE, PR_TRUE);
// line move commands
else if (!nsCRT::strcmp(aCommandName,"cmd_lineNext"))
return selCont->LineMove(PR_TRUE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_linePrevious"))
return selCont->LineMove(PR_FALSE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectLineNext"))
return selCont->LineMove(PR_TRUE, PR_TRUE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectLinePrevious"))
return selCont->LineMove(PR_FALSE, PR_TRUE);
// character move commands
else if (!nsCRT::strcmp(aCommandName,"cmd_charPrevious"))
return selCont->CharacterMove(PR_FALSE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_charNext"))
return selCont->CharacterMove(PR_TRUE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectCharPrevious"))
return selCont->CharacterMove(PR_FALSE, PR_TRUE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectCharNext"))
return selCont->CharacterMove(PR_TRUE, PR_TRUE);
// intra line move commands
else if (!nsCRT::strcmp(aCommandName,"cmd_beginLine"))
return selCont->IntraLineMove(PR_FALSE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_endLine"))
return selCont->IntraLineMove(PR_TRUE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectBeginLine"))
return selCont->IntraLineMove(PR_FALSE, PR_TRUE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectEndLine"))
return selCont->IntraLineMove(PR_TRUE, PR_TRUE);
// word move commands
else if (!nsCRT::strcmp(aCommandName,"cmd_wordPrevious"))
return selCont->WordMove(PR_FALSE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_wordNext"))
return selCont->WordMove(PR_TRUE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectWordPrevious"))
return selCont->WordMove(PR_FALSE, PR_TRUE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectWordNext"))
return selCont->WordMove(PR_TRUE, PR_TRUE);
// scroll page commands
else if (!nsCRT::strcmp(aCommandName,"cmd_scrollPageUp"))
return selCont->ScrollPage(PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_scrollPageDown"))
return selCont->ScrollPage(PR_TRUE);
// scroll line commands
else if (!nsCRT::strcmp(aCommandName,"cmd_scrollLineUp"))
return selCont->ScrollLine(PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_scrollLineDown"))
return selCont->ScrollLine(PR_TRUE);
// page move commands
else if (!nsCRT::strcmp(aCommandName,"cmd_movePageUp"))
return selCont->PageMove(PR_FALSE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_movePageDown"))
return selCont->PageMove(PR_TRUE, PR_FALSE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectPageUp"))
return selCont->PageMove(PR_FALSE, PR_TRUE);
else if (!nsCRT::strcmp(aCommandName,"cmd_selectPageDown"))
return selCont->PageMove(PR_TRUE, PR_TRUE);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSelectionMoveCommands::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
return DoCommand(aCommandName, aCommandRefCon);
}
NS_IMETHODIMP
nsSelectionMoveCommands::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *aCommandRefCon)
{
PRBool canUndo;
IsCommandEnabled(aCommandName, aCommandRefCon, &canUndo);
return aParams->SetBooleanValue(STATE_ENABLED,canUndo);
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsInsertPlaintextCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return editor->GetIsDocumentEditable(outCmdEnabled);
*outCmdEnabled = PR_FALSE;
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsInsertPlaintextCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsInsertPlaintextCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
nsCOMPtr<nsIPlaintextEditor> editor = do_QueryInterface(refCon);
if (!editor)
return NS_ERROR_NOT_IMPLEMENTED;
// Get text to insert from command params
nsAutoString text;
nsresult rv = aParams->GetStringValue(STATE_DATA, text);
NS_ENSURE_SUCCESS(rv, rv);
if (!text.IsEmpty())
return editor->InsertText(text);
return NS_OK;
}
NS_IMETHODIMP
nsInsertPlaintextCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
PRBool outCmdEnabled = PR_FALSE;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED, outCmdEnabled);
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsPasteQuotationCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
PRBool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
nsCOMPtr<nsIEditorMailSupport> mailEditor = do_QueryInterface(refCon);
if (editor && mailEditor) {
PRUint32 flags;
editor->GetFlags(&flags);
if (!(flags & nsIPlaintextEditor::eEditorSingleLineMask))
return editor->CanPaste(nsIClipboard::kGlobalClipboard, outCmdEnabled);
}
*outCmdEnabled = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsPasteQuotationCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIEditorMailSupport> mailEditor = do_QueryInterface(refCon);
if (mailEditor)
return mailEditor->PasteAsQuotation(nsIClipboard::kGlobalClipboard);
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsPasteQuotationCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
nsCOMPtr<nsIEditorMailSupport> mailEditor = do_QueryInterface(refCon);
if (mailEditor)
return mailEditor->PasteAsQuotation(nsIClipboard::kGlobalClipboard);
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsPasteQuotationCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
{
PRBool enabled = PR_FALSE;
editor->CanPaste(nsIClipboard::kGlobalClipboard, &enabled);
aParams->SetBooleanValue(STATE_ENABLED, enabled);
}
return NS_OK;
}
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