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/*
* This file is part of the KDE project
* Copyright (C) 2009 Ganesh Paramasivam <ganesh@crystalfab.com>
* Copyright (C) 2009 Pierre Stirnweiss <pstirnweiss@googlemail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <iostream>
#include "ShowChangesCommand.h"
#include <KoChangeTracker.h>
#include <KoChangeTrackerElement.h>
#include <KoCharacterStyle.h>
#include <KoTextDocument.h>
#include <KoTextDocumentLayout.h>
#include <KoTextEditor.h>
#include <KoShapeAnchor.h>
#include <KoInlineTextObjectManager.h>
#include <KoCanvasBase.h>
#include <KoShapeController.h>
#include <KoShapeContainer.h>
#include <klocalizedstring.h>
#include <QTextDocument>
#include <QtAlgorithms>
#include <QList>
ShowChangesCommand::ShowChangesCommand(bool showChanges, QTextDocument *document, KoCanvasBase *canvas, KUndo2Command *parent)
: KoTextCommandBase(parent)
, m_document(document)
, m_first(true)
, m_showChanges(showChanges)
, m_canvas(canvas)
{
Q_ASSERT(document);
m_changeTracker = KoTextDocument(m_document).changeTracker();
m_textEditor = KoTextDocument(m_document).textEditor();
if (showChanges) {
setText(kundo2_i18n("Show Changes"));
} else {
setText(kundo2_i18n("Hide Changes"));
}
}
void ShowChangesCommand::undo()
{
KoTextCommandBase::undo();
UndoRedoFinalizer finalizer(this);
foreach (KUndo2Command *shapeCommand, m_shapeCommands) {
shapeCommand->undo();
}
emit toggledShowChange(!m_showChanges);
enableDisableStates(!m_showChanges);
}
void ShowChangesCommand::redo()
{
if (!m_first) {
KoTextCommandBase::redo();
UndoRedoFinalizer finalizer(this);
foreach (KUndo2Command *shapeCommand, m_shapeCommands) {
shapeCommand->redo();
}
emit toggledShowChange(m_showChanges);
enableDisableStates(m_showChanges);
} else {
m_first = false;
enableDisableChanges();
}
}
void ShowChangesCommand::enableDisableChanges()
{
if (m_changeTracker) {
enableDisableStates(m_showChanges);
if (m_showChanges) {
insertDeletedChanges();
} else {
removeDeletedChanges();
}
#if 0
TODO
KoTextDocumentLayout *lay = qobject_cast<KoTextDocumentLayout *>(m_document->documentLayout());
if (lay) {
lay->scheduleLayout();
}
#endif
}
}
void ShowChangesCommand::enableDisableStates(bool showChanges)
{
m_changeTracker->setDisplayChanges(showChanges);
QTextCharFormat format = m_textEditor->charFormat();
format.clearProperty(KoCharacterStyle::ChangeTrackerId);
m_textEditor->setCharFormat(format);
}
void ShowChangesCommand::insertDeletedChanges()
{
QVector<KoChangeTrackerElement *> elementVector;
KoTextDocument(m_textEditor->document()).changeTracker()->getDeletedChanges(elementVector);
qSort(elementVector.begin(), elementVector.end());
}
void ShowChangesCommand::checkAndAddAnchoredShapes(int position, int length)
{
KoInlineTextObjectManager *inlineObjectManager
= KoTextDocument(m_document).inlineTextObjectManager();
Q_ASSERT(inlineObjectManager);
QTextCursor cursor = m_textEditor->document()->find(QString(QChar::ObjectReplacementCharacter), position);
while (!cursor.isNull() && cursor.position() < position + length) {
QTextCharFormat fmt = cursor.charFormat();
KoInlineObject *object = inlineObjectManager->inlineTextObject(fmt);
Q_ASSERT(object);
Q_UNUSED(object);
/* FIXME
KoTextAnchor *anchor = dynamic_cast<KoTextAnchor *>(object);
if (!anchor) {
continue;
}
*/
#if 0
// TODO -- since March 2010...
KoTextDocumentLayout *lay = qobject_cast<KoTextDocumentLayout *>(m_document->documentLayout());
KoShapeContainer *container = dynamic_cast<KoShapeContainer *>(lay->shapeForPosition(i));
// a very ugly hack. Since this class is going away soon, it should be okay
if (!container) {
container = dynamic_cast<KoShapeContainer *>((lay->shapes()).at(0));
}
if (container) {
container->addShape(anchor->shape());
KUndo2Command *shapeCommand = m_canvas->shapeController()->addShapeDirect(anchor->shape());
shapeCommand->redo();
m_shapeCommands.push_front(shapeCommand);
}
#endif
cursor = m_textEditor->document()->find(QString(QChar::ObjectReplacementCharacter), position);
}
}
void ShowChangesCommand::removeDeletedChanges()
{
QVector<KoChangeTrackerElement *> elementVector;
m_changeTracker->getDeletedChanges(elementVector);
qSort(elementVector.begin(), elementVector.end());
}
void ShowChangesCommand::checkAndRemoveAnchoredShapes(int position, int length)
{
KoInlineTextObjectManager *inlineObjectManager
= KoTextDocument(m_document).inlineTextObjectManager();
Q_ASSERT(inlineObjectManager);
QTextCursor cursor = m_textEditor->document()->find(QString(QChar::ObjectReplacementCharacter), position);
while (!cursor.isNull() && cursor.position() < position + length) {
QTextCharFormat fmt = cursor.charFormat();
KoInlineObject *object = inlineObjectManager->inlineTextObject(fmt);
Q_ASSERT(object);
Q_UNUSED(object);
/* FIXME
KoTextAnchor *anchor = dynamic_cast<KoTextAnchor *>(object);
if (!anchor)
continue;
KUndo2Command *shapeCommand = m_canvas->shapeController()->removeShape(anchor->shape());
shapeCommand->redo();
m_shapeCommands.push_front(shapeCommand);
*/
}
}
ShowChangesCommand::~ShowChangesCommand()
{
}
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