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path: root/kexi/widget/kexieditor.cpp
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/* This file is part of the KDE project
   Copyright (C) 2003 Lucijan Busch <[email protected]>
   Copyright (C) 2004-2005 Jaroslaw Staniek <[email protected]>
   Copyright (C) 2005 Cedric Pasteur <[email protected]>

   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 "kexieditor.h"

#include <keximainwindow.h>

#include <tqlayout.h>
#include <tqframe.h>
#include <tdelocale.h>
#include <kdebug.h>

//uncomment this to enable KTextEdit-based editor
//#define KTEXTEDIT_BASED_SQL_EDITOR

#ifdef KTEXTEDIT_BASED_SQL_EDITOR
# include <ktextedit.h>
#else
# include <tdetexteditor/document.h>
# include <tdetexteditor/view.h>
# include <tdetexteditor/editorchooser.h>
# include <tdetexteditor/editinterface.h>
# include <tdetexteditor/viewcursorinterface.h>
# include <tdetexteditor/popupmenuinterface.h>
# include <tdetexteditor/undointerface.h>
# include <tdetexteditor/configinterface.h>
# include <tdetexteditor/highlightinginterface.h>
#endif

/** Used for the shared action framework to redirect shared actions like
copy and paste to the editor. */
class KexiEditorSharedActionConnector : public KexiSharedActionConnector
{
public:
	KexiEditorSharedActionConnector( KexiActionProxy* proxy, TQObject* obj )
		: KexiSharedActionConnector( proxy, obj )
	{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
		plugSharedAction("edit_cut", TQT_SLOT(cut()));
		plugSharedAction("edit_copy", TQT_SLOT(copy()));
		plugSharedAction("edit_paste", TQT_SLOT(paste()));
		plugSharedAction("edit_clear", TQT_SLOT(clear()));
		plugSharedAction("edit_undo", TQT_SLOT(undo()));
		plugSharedAction("edit_redo", TQT_SLOT(redo()));
                plugSharedAction("edit_select_all", TQT_SLOT(selectAll()));
#else
		TQValueList<TQCString> actions;
		actions << "edit_cut" << "edit_copy" << "edit_paste" << "edit_clear"
			<< "edit_undo" << "edit_redo" << "edit_select_all";
		plugSharedActionsToExternalGUI(actions, dynamic_cast<KXMLGUIClient*>(obj));
#endif
	}
};

//! @internal
class KexiEditorPrivate {
	public:
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
		KTextEdit *view;
#else
		KTextEditor::Document *doc;
		KTextEditor::View *view;
#endif
};

KexiEditor::KexiEditor(KexiMainWindow *mainWin, TQWidget *parent, const char *name)
	: KexiViewBase(mainWin, parent, name)
	, d(new KexiEditorPrivate())
{
	TQVBoxLayout *layout = new TQVBoxLayout(this);
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	d->view = new KTextEdit( "", TQString(), this, "kexi_editor" );
	//adjust font
	connect(d->view, TQT_SIGNAL(textChanged()), this, TQT_SIGNAL(textChanged()));
	TQFont f("Courier");
	f.setStyleStrategy(TQFont::PreferAntialias);
	f.setPointSize(d->view->font().pointSize());
	d->view->setFont( f );
	d->view->setCheckSpellingEnabled(false);
#else
	TQFrame *fr = new TQFrame(this);
	fr->setFrameStyle(TQFrame::Sunken|TQFrame::WinPanel);
	layout->addWidget(fr);
	layout = new TQVBoxLayout(fr);
	layout->setMargin( 2 );

	d->doc =  KTextEditor::EditorChooser::createDocument(TQT_TQOBJECT(fr));
	if (!d->doc)
		return;
	d->view = d->doc->createView(fr, 0L);

	KTextEditor::PopupMenuInterface *popupInt = dynamic_cast<KTextEditor::PopupMenuInterface*>( d->view );
	if(popupInt) {
			TQPopupMenu *pop = (TQPopupMenu*) mainWin->factory()->container("edit", mainWin);
			if(pop) {
				 //plugSharedAction("edit_undo", pop);
				 popupInt->installPopup(pop);
			}
	}

	connect(d->doc, TQT_SIGNAL(textChanged()), this, TQT_SIGNAL(textChanged()));
#endif
	KexiEditorSharedActionConnector c(this, TQT_TQOBJECT(d->view));
	d->view->installEventFilter(this);

	layout->addWidget(d->view);
	setViewWidget(d->view, true/*focus*/);
	d->view->show();
}

KexiEditor::~KexiEditor()
{
	delete d;
}

void KexiEditor::updateActions(bool activated)
{
	KexiViewBase::updateActions(activated);
}

bool KexiEditor::isAdvancedEditor()
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	return false;
#else
	return true;
#endif
}

TQString KexiEditor::text()
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	return d->view->text();
#else
	if (!d->doc)
		return TQString();
	KTextEditor::EditInterface *eIface = KTextEditor::editInterface(d->doc);
	return eIface->text();
#endif
}

void KexiEditor::setText(const TQString &text)
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	const bool was_dirty = m_parentView ? m_parentView->dirty() : dirty();
	d->view->setText(text);
	setDirty(was_dirty);
#else
	if (!d->doc)
		return;
	const bool was_dirty = dirty();
	KTextEditor::EditInterface *eIface = KTextEditor::editInterface(d->doc);
	eIface->setText(text);
	KTextEditor::UndoInterface *undoIface = KTextEditor::undoInterface(d->doc);
	undoIface->clearUndo();
	undoIface->clearRedo();
	setDirty(was_dirty);
#endif
}

void KexiEditor::setHighlightMode(const TQString& highlightmodename)
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
#else
	KTextEditor::HighlightingInterface *hl = KTextEditor::highlightingInterface( d->doc );
	for(uint i = 0; i < hl->hlModeCount(); i++) {
			//kdDebug() << "hlmode("<<i<<"): " << hl->hlModeName(i) << endl;
			if (hl->hlModeName(i).contains(highlightmodename, false))  {
				hl->setHlMode(i);
				return;
			}
	}
	hl->setHlMode(0); // 0=None, don't highlight anything.
#endif
}

void KexiEditor::slotConfigureEditor()
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	//TODO show errormessage?
#else
	KTextEditor::ConfigInterface *config = KTextEditor::configInterface( d->doc );
	if (config)
		config->configDialog();
#endif
}

void KexiEditor::jump(int character)
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	const int numRows = d->view->paragraphs();
	int row = 0, col = 0;
	for (int ch = 0; row < numRows; row++) {
		const int rowLen = d->view->paragraphLength(row)+1;
		if ((ch + rowLen) > character) {
			col = character-ch;
			break;
		}
		ch += rowLen;
	}
	d->view->setCursorPosition(row, col);
#else
	if (!d->doc)
		return;
	KTextEditor::EditInterface *ei = KTextEditor::editInterface(d->doc);
	const int numRows = ei->numLines();
	int row = 0, col = 0;
	for (int ch = 0; row < numRows; row++) {
		const int rowLen = ei->lineLength(row)+1;
		if ((ch + rowLen) > character) {
			col = character-ch;
			break;
		}
		ch += rowLen;
	}
	KTextEditor::ViewCursorInterface *ci = KTextEditor::viewCursorInterface(d->view);
	ci->setCursorPositionReal(row, col);
#endif
}

void KexiEditor::setCursorPosition(int line, int col)
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	d->view->setCursorPosition(line, col);
#else
	KTextEditor::ViewCursorInterface *ci = KTextEditor::viewCursorInterface( d->view );
	ci->setCursorPosition(line, col);
#endif
}

void KexiEditor::clearUndoRedo()
{
#ifdef KTEXTEDIT_BASED_SQL_EDITOR
	//TODO how to remove undo/redo from a KTextEdit?
#else
	KTextEditor::UndoInterface* u = KTextEditor::undoInterface( d->doc );
	u->clearUndo();
	u->clearRedo();
#endif
}

#include "kexieditor.moc"