/* This file is part of the KDE project
   Copyright (C) 2005-2007 Jaroslaw Staniek <js@iidea.pl>

   This program 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 program 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 program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include "kexidataawareview.h"

#include <kexidataawareobjectiface.h>
#include <utils/kexisharedactionclient.h>
#include <core/keximainwindow.h>

#include <tqlayout.h>

#include <tdepopupmenu.h>

KexiDataAwareView::KexiDataAwareView(KexiMainWindow *mainWin, TQWidget *parent, const char *name)
 : KexiViewBase(mainWin, parent, name)
 , KexiSearchAndReplaceViewInterface()
 , m_internalView(0)
 , m_actionClient(0)
 , m_dataAwareObject(0)
{
}

void KexiDataAwareView::init( TQWidget* viewWidget, KexiSharedActionClient* actionClient,
	KexiDataAwareObjectInterface* dataAwareObject, bool noDataAware )
{
	m_internalView = viewWidget;
	m_actionClient = actionClient;
	m_dataAwareObject = dataAwareObject;
	setViewWidget(m_internalView, true);

	if (!noDataAware) {
		m_dataAwareObject->connectCellSelectedSignal(this, TQT_SLOT(slotCellSelected(int,int)));

		//! before closing - we'are accepting editing
		connect(this, TQT_SIGNAL(closing(bool&)), this, TQT_SLOT(slotClosing(bool&)));

		//! updating actions on start/stop editing
		m_dataAwareObject->connectRowEditStartedSignal(this, TQT_SLOT(slotUpdateRowActions(int)));
		m_dataAwareObject->connectRowEditTerminatedSignal(this, TQT_SLOT(slotUpdateRowActions(int)));
		m_dataAwareObject->connectReloadActionsSignal(this, TQT_SLOT(reloadActions()));
	}

	TQVBoxLayout *box = new TQVBoxLayout(this);
	box->addWidget(m_internalView);

	setMinimumSize(m_internalView->minimumSizeHint().width(), 
		m_internalView->minimumSizeHint().height());
	resize( preferredSizeHint( m_internalView->sizeHint() ) );
	setFocusProxy(m_internalView);
	
	if (!noDataAware) {
		initActions();
		reloadActions();
	}
}

void KexiDataAwareView::initActions()
{
	plugSharedAction("edit_delete_row", this, TQT_SLOT(deleteCurrentRow()));
	m_actionClient->plugSharedAction(sharedAction("edit_delete_row")); //for proper shortcut

	plugSharedAction("edit_delete", this, TQT_SLOT(deleteAndStartEditCurrentCell()));
	m_actionClient->plugSharedAction(sharedAction("edit_delete")); //for proper shortcut

	plugSharedAction("edit_edititem", this, TQT_SLOT(startEditOrToggleValue()));
	m_actionClient->plugSharedAction(sharedAction("edit_edititem")); //for proper shortcut

	plugSharedAction("data_save_row", this, TQT_SLOT(acceptRowEdit()));
	m_actionClient->plugSharedAction(sharedAction("data_save_row")); //for proper shortcut

	plugSharedAction("data_cancel_row_changes", this, TQT_SLOT(cancelRowEdit()));
	m_actionClient->plugSharedAction(sharedAction("data_cancel_row_changes")); //for proper shortcut

	if (m_dataAwareObject->isSortingEnabled()) {
		plugSharedAction("data_sort_az", this, TQT_SLOT(sortAscending()));
		plugSharedAction("data_sort_za", this, TQT_SLOT(sortDescending()));
	}

	m_actionClient->plugSharedAction(sharedAction("edit_insert_empty_row")); //for proper shortcut

	setAvailable("data_sort_az", m_dataAwareObject->isSortingEnabled());
	setAvailable("data_sort_za", m_dataAwareObject->isSortingEnabled());
//! \todo 	plugSharedAction("data_filter", this, TQT_SLOT(???()));

	plugSharedAction("data_go_to_first_record", this, TQT_SLOT(slotGoToFirstRow()));
	plugSharedAction("data_go_to_previous_record", this, TQT_SLOT(slotGoToPreviusRow()));
	plugSharedAction("data_go_to_next_record", this, TQT_SLOT(slotGoToNextRow()));
	plugSharedAction("data_go_to_last_record", this, TQT_SLOT(slotGoToLastRow()));
	plugSharedAction("data_go_to_new_record", this, TQT_SLOT(slotGoToNewRow()));

//! \todo update availability
	setAvailable("data_go_to_first_record", true);
	setAvailable("data_go_to_previous_record", true);
	setAvailable("data_go_to_next_record", true);
	setAvailable("data_go_to_last_record", true);
	setAvailable("data_go_to_new_record", true);

	plugSharedAction("edit_copy", this, TQT_SLOT(copySelection()));
	m_actionClient->plugSharedAction(sharedAction("edit_copy")); //for proper shortcut

	plugSharedAction("edit_cut", this, TQT_SLOT(cutSelection()));
	m_actionClient->plugSharedAction(sharedAction("edit_cut")); //for proper shortcut

	plugSharedAction("edit_paste", this, TQT_SLOT(paste()));
	m_actionClient->plugSharedAction(sharedAction("edit_paste")); //for proper shortcut

//	plugSharedAction("edit_find", this, TQT_SLOT(editFind()));
//	m_actionClient->plugSharedAction(sharedAction("edit_find")); //for proper shortcut

//	plugSharedAction("edit_findnext", this, TQT_SLOT(editFindNext()));
//	m_actionClient->plugSharedAction(sharedAction("edit_findnext")); //for proper shortcut

//	plugSharedAction("edit_findprevious", this, TQT_SLOT(editFindPrevious()));
//	m_actionClient->plugSharedAction(sharedAction("edit_findprev")); //for proper shortcut

//! @todo	plugSharedAction("edit_replace", this, TQT_SLOT(editReplace()));
//! @todo	m_actionClient->plugSharedAction(sharedAction("edit_replace")); //for proper shortcut

//	setAvailable("edit_find", true);
//	setAvailable("edit_findnext", true);
//	setAvailable("edit_findprevious", true);
//! @todo	setAvailable("edit_replace", true);
}

void KexiDataAwareView::slotUpdateRowActions(int row)
{
	const bool ro = m_dataAwareObject->isReadOnly();
//	const bool inserting = m_dataAwareObject->isInsertingEnabled();
	const bool deleting = m_dataAwareObject->isDeleteEnabled();
	const bool emptyInserting = m_dataAwareObject->isEmptyRowInsertingEnabled();
	const bool editing = m_dataAwareObject->rowEditing();
	const bool sorting = m_dataAwareObject->isSortingEnabled();
	const int rows = m_dataAwareObject->rows();

	setAvailable("edit_cut", !ro);
	setAvailable("edit_paste", !ro);
	setAvailable("edit_delete", !ro); // && !(inserting && row==rows));
	setAvailable("edit_delete_row", !ro && !(deleting && row==rows));
	setAvailable("edit_insert_empty_row", !ro && emptyInserting);
	setAvailable("edit_clear_table", !ro && deleting && rows>0);
	setAvailable("data_save_row", editing);
	setAvailable("data_cancel_row_changes", editing);
	setAvailable("data_sort_az", sorting);
	setAvailable("data_sort_za", sorting);
}

TQWidget* KexiDataAwareView::mainWidget() 
{
	return m_internalView;
}

TQSize KexiDataAwareView::minimumSizeHint() const
{
	return m_internalView ? m_internalView->minimumSizeHint() : TQSize(0,0);//KexiViewBase::minimumSizeHint();
}

TQSize KexiDataAwareView::sizeHint() const
{
	return m_internalView ? m_internalView->sizeHint() : TQSize(0,0);//KexiViewBase::sizeHint();
}

void KexiDataAwareView::updateActions(bool activated)
{
	setAvailable("data_sort_az", m_dataAwareObject->isSortingEnabled());
	setAvailable("data_sort_za", m_dataAwareObject->isSortingEnabled());
	KexiViewBase::updateActions(activated);
}

void KexiDataAwareView::reloadActions()
{
//	m_view->initActions(guiClient()->actionCollection());
//warning FIXME Move this to the table part
/*
	kdDebug()<<"INIT ACTIONS***********************************************************************"<<endl;
	new TDEAction(i18n("Filter"), "filter", 0, this, TQT_SLOT(filter()), actionCollection(), "tablepart_filter");
	setXMLFile("kexidatatableui.rc");
*/
	m_dataAwareObject->contextMenu()->clear();

	plugSharedAction("edit_cut", m_dataAwareObject->contextMenu());
	plugSharedAction("edit_copy", m_dataAwareObject->contextMenu());
	plugSharedAction("edit_paste", m_dataAwareObject->contextMenu());

	bool separatorNeeded = true;

	unplugSharedAction("edit_clear_table");
	plugSharedAction("edit_clear_table", this, TQT_SLOT(deleteAllRows()));

	if (m_dataAwareObject->isEmptyRowInsertingEnabled()) {
		unplugSharedAction("edit_insert_empty_row");
		plugSharedAction("edit_insert_empty_row", m_internalView, TQT_SLOT(insertEmptyRow()));
		if (separatorNeeded)
			m_dataAwareObject->contextMenu()->insertSeparator();
		plugSharedAction("edit_insert_empty_row", m_dataAwareObject->contextMenu());
	}
	else {
		unplugSharedAction("edit_insert_empty_row");
		unplugSharedAction("edit_insert_empty_row", m_dataAwareObject->contextMenu());
	}

	if (m_dataAwareObject->isDeleteEnabled()) {
		if (separatorNeeded)
			m_dataAwareObject->contextMenu()->insertSeparator();
		plugSharedAction("edit_delete", m_dataAwareObject->contextMenu());
		plugSharedAction("edit_delete_row", m_dataAwareObject->contextMenu());
	}
	else {
		unplugSharedAction("edit_delete_row", m_dataAwareObject->contextMenu());
		unplugSharedAction("edit_delete_row", m_dataAwareObject->contextMenu());
	}
	//if (!m_view->isSortingEnabled()) {
//		unplugSharedAction("data_sort_az");
//		unplugSharedAction("data_sort_za");
	//}
	setAvailable("data_sort_az", m_dataAwareObject->isSortingEnabled());
	setAvailable("data_sort_za", m_dataAwareObject->isSortingEnabled());

	slotCellSelected( m_dataAwareObject->currentColumn(), m_dataAwareObject->currentRow() );
}

void KexiDataAwareView::slotCellSelected(int /*col*/, int row)
{
	slotUpdateRowActions(row);
}

void KexiDataAwareView::deleteAllRows()
{
	m_dataAwareObject->deleteAllRows(true/*ask*/, true/*repaint*/);
}

void KexiDataAwareView::deleteCurrentRow()
{
	m_dataAwareObject->deleteCurrentRow();
}

void KexiDataAwareView::deleteAndStartEditCurrentCell()
{
	m_dataAwareObject->deleteAndStartEditCurrentCell();
}

void KexiDataAwareView::startEditOrToggleValue()
{
	m_dataAwareObject->startEditOrToggleValue();
}

bool KexiDataAwareView::acceptRowEdit()
{
	return m_dataAwareObject->acceptRowEdit();
}

void KexiDataAwareView::slotClosing(bool& cancel)
{
	if (!acceptRowEdit())
		cancel = true;
}

void KexiDataAwareView::cancelRowEdit()
{
	m_dataAwareObject->cancelRowEdit();
}

void KexiDataAwareView::sortAscending()
{
	m_dataAwareObject->sortAscending();
}

void KexiDataAwareView::sortDescending()
{
	m_dataAwareObject->sortDescending();
}

void KexiDataAwareView::copySelection()
{
	m_dataAwareObject->copySelection();
}

void KexiDataAwareView::cutSelection()
{
	m_dataAwareObject->cutSelection();
}

void KexiDataAwareView::paste()
{
	m_dataAwareObject->paste();
}

void KexiDataAwareView::slotGoToFirstRow() { m_dataAwareObject->selectFirstRow(); }
void KexiDataAwareView::slotGoToPreviusRow() { m_dataAwareObject->selectPrevRow(); }
void KexiDataAwareView::slotGoToNextRow() { m_dataAwareObject->selectNextRow(); }
void KexiDataAwareView::slotGoToLastRow() { m_dataAwareObject->selectLastRow(); }
void KexiDataAwareView::slotGoToNewRow() { m_dataAwareObject->addNewRecordRequested(); }

bool KexiDataAwareView::setupFindAndReplace(TQStringList& columnNames, TQStringList& columnCaptions,
	TQString& currentColumnName)
{
	if (!dataAwareObject() || !dataAwareObject()->data())
		return false;
	KexiTableViewColumn::List columns( dataAwareObject()->data()->columns );
	for (KexiTableViewColumn::ListIterator it(columns); it.current(); ++it) {
		if (!it.current()->visible())
			continue;
		columnNames.append( it.current()->field()->name() );
		columnCaptions.append( it.current()->captionAliasOrName() );
	}

	//update "look in" selection if there was any
	const int currentColumnNumber = dataAwareObject()->currentColumn();
	if (currentColumnNumber!=-1) {
		KexiTableViewColumn *col = columns.at( currentColumnNumber );
		if (col && col->field())
			currentColumnName = col->field()->name();
	}
	return true;
}

tristate KexiDataAwareView::find(const TQVariant& valueToFind, 
	const KexiSearchAndReplaceViewInterface::Options& options, bool next)
{
	if (!dataAwareObject() || !dataAwareObject()->data())
		return cancelled;

//	const KexiDataAwareObjectInterface::FindAndReplaceOptions options(dlg->options());
/*	if (res == KexiFindDialog::Find) {*/
//		TQVariant valueToFind(dlg->valueToFind());
		return dataAwareObject()->find( valueToFind, options, next );
/*
//! @todo result...

	}
	else if (res == KexiFindDialog::Replace) {
//! @todo
	}
	else if (res == KexiFindDialog::ReplaceAll) {
//! @todo
	}
	*/
}

tristate KexiDataAwareView::findNextAndReplace(const TQVariant& valueToFind,
	const TQVariant& replacement, 
	const KexiSearchAndReplaceViewInterface::Options& options, bool replaceAll)
{
	if (!dataAwareObject() || !dataAwareObject()->data())
		return cancelled;

	return dataAwareObject()->findNextAndReplace(valueToFind, replacement, options, replaceAll);
}

/*
void KexiDataAwareView::editFindNext()
{
	//! @todo reuse code from editFind()
}

void KexiDataAwareView::editFindPrevious()
{
	//! @todo reuse code from editFind()
}

void KexiDataAwareView::editReplace()
{
	//! @todo editReplace()
	//! @todo reuse code from editFind()
	// When ready, update KexiDataAwareView::initActions() and KexiMainWindowImpl
}*/

#include "kexidataawareview.moc"