/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>

   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 <tqlayout.h>

#include <tdetoolbar.h>
#include <tdefontcombo.h>
#include <kcolorcombo.h>
#include <tdetoolbarradiogroup.h>
#include <kdebug.h>
#include <tdelocale.h>

#include "richtextdialog.h"

namespace KFormDesigner {

//////////////////////////////////////////////////////////////////////////////////
//////////////// A simple dialog to edit rich text   ////////////////////////////
//////////////////////////////////////////////////////////////////////////////////

RichTextDialog::RichTextDialog(TQWidget *parent, const TQString &text)
: KDialogBase(parent, "richtext_dialog", true, i18n("Edit Rich Text"), Ok|Cancel, Ok, false)
{
	TQFrame *frame = makeMainWidget();
	TQVBoxLayout *l = new TQVBoxLayout(frame);
	l->setAutoAdd(true);

	m_toolbar = new TDEToolBar(frame);
	m_toolbar->setFlat(true);
	m_toolbar->show();

	m_fcombo = new TDEFontCombo(m_toolbar);
	m_toolbar->insertWidget(TBFont, 40, m_fcombo);
	connect(m_fcombo, TQ_SIGNAL(textChanged(const TQString&)), this, TQ_SLOT(changeFont(const TQString &)));

	m_toolbar->insertSeparator();

	m_colCombo = new KColorCombo(m_toolbar);
	m_toolbar->insertWidget(TBColor, 30, m_colCombo);
	connect(m_colCombo, TQ_SIGNAL(activated(const TQColor&)), this, TQ_SLOT(changeColor(const TQColor&)));

	m_toolbar->insertButton("format-text-bold", TBBold, true, i18n("Bold"));
	m_toolbar->insertButton("format-text-italic", TBItalic, true, i18n("Italic"));
	m_toolbar->insertButton("format-text-underline", TBUnder, true, i18n("Underline"));
	m_toolbar->setToggle(TBBold, true);
	m_toolbar->setToggle(TBItalic, true);
	m_toolbar->setToggle(TBUnder, true);
	m_toolbar->insertSeparator();

	m_toolbar->insertButton("text_super", TBSuper, true, i18n("Superscript"));
	m_toolbar->insertButton("text_sub", TBSub, true, i18n("Subscript"));
	m_toolbar->setToggle(TBSuper, true);
	m_toolbar->setToggle(TBSub, true);
	m_toolbar->insertSeparator();

	TDEToolBarRadioGroup *group = new TDEToolBarRadioGroup(m_toolbar);
	m_toolbar->insertButton("format-text-direction-ltr", TBLeft, true, i18n("Left Align"));
	m_toolbar->setToggle(TBLeft, true);
	group->addButton(TBLeft);
	m_toolbar->insertButton("text_center", TBCenter, true, i18n("Centered"));
	m_toolbar->setToggle(TBCenter, true);
	group->addButton(TBCenter);
	m_toolbar->insertButton("format-text-direction-rtl", TBRight, true, i18n("Right Align"));
	m_toolbar->setToggle(TBRight, true);
	group->addButton(TBRight);
	m_toolbar->insertButton("text_block", TBJustify, true, i18n("Justified"));
	m_toolbar->setToggle(TBJustify, true);
	group->addButton(TBJustify);

	connect(m_toolbar, TQ_SIGNAL(toggled(int)), this, TQ_SLOT(buttonToggled(int)));

	m_edit = new KTextEdit(text, TQString(), frame, "richtext_edit");
	m_edit->setTextFormat(RichText);
	m_edit->setFocus();

	connect(m_edit, TQ_SIGNAL(cursorPositionChanged(int, int)), this, TQ_SLOT(cursorPositionChanged(int, int)));
	connect(m_edit, TQ_SIGNAL(clicked(int, int)), this, TQ_SLOT(cursorPositionChanged(int, int)));
	connect(m_edit, TQ_SIGNAL(currentVerticalAlignmentChanged(VerticalAlignment)), this, TQ_SLOT(slotVerticalAlignmentChanged(VerticalAlignment)));

	m_edit->moveCursor(TQTextEdit::MoveEnd, false);
	cursorPositionChanged(0, 0);
	m_edit->show();
	frame->show();
}

TQString
RichTextDialog::text()
{
	return m_edit->text();
}

void
RichTextDialog::changeFont(const TQString &font)
{
	m_edit->setFamily(font);
}

void
RichTextDialog::changeColor(const TQColor &color)
{
	m_edit->setColor(color);
}

void
RichTextDialog::buttonToggled(int id)
{
	bool isOn = m_toolbar->isButtonOn(id);

	switch(id)
	{
		case TBBold: m_edit->setBold(isOn); break;
		case TBItalic: m_edit->setItalic(isOn); break;
		case TBUnder: m_edit->setUnderline(isOn); break;
		case TBSuper:
		{
			if(isOn && m_toolbar->isButtonOn(TBSub))
				m_toolbar->setButton(TBSub, false);
			m_edit->setVerticalAlignment(isOn ? TQTextEdit::AlignSuperScript : TQTextEdit::AlignNormal);
			break;
		}
		case TBSub:
		{
			if(isOn && m_toolbar->isButtonOn(TBSuper))
				m_toolbar->setButton(TBSuper, false);
			m_edit->setVerticalAlignment(isOn ? TQTextEdit::AlignSubScript : TQTextEdit::AlignNormal);
			break;
		}
		case TBLeft: case TBCenter:
		case TBRight: case TBJustify:
		{
			if(!isOn)  break;
			switch(id)
			{
				case TBLeft:  m_edit->setAlignment(TQt::AlignLeft); break;
				case TBCenter:  m_edit->setAlignment(TQt::AlignCenter); break;
				case TBRight:  m_edit->setAlignment(TQt::AlignRight); break;
				case TBJustify:  m_edit->setAlignment(TQt::AlignJustify); break;
				default: break;
			}
		}
		default: break;
	}

}

void
RichTextDialog::cursorPositionChanged(int, int)
{
	m_fcombo->setCurrentFont(m_edit->currentFont().family());
	m_colCombo->setColor(m_edit->color());
	m_toolbar->setButton(TBBold, m_edit->bold());
	m_toolbar->setButton(TBItalic, m_edit->italic());
	m_toolbar->setButton(TBUnder, m_edit->underline());

	int id = 0;
	switch(m_edit->alignment())
	{
		case TQt::AlignLeft:    id = TBLeft; break;
		case TQt::AlignCenter:  id = TBCenter; break;
		case TQt::AlignRight:   id = TBRight; break;
		case TQt::AlignJustify: id = TBJustify; break;
		default:  id = TBLeft; break;
	}
	m_toolbar->setButton(id, true);
}

void
RichTextDialog::slotVerticalAlignmentChanged(VerticalAlignment align)
{
	switch(align)
	{
		case TQTextEdit::AlignSuperScript:
		{
			m_toolbar->setButton(TBSuper, true);
			m_toolbar->setButton(TBSub, false);
			break;
		}
		case TQTextEdit::AlignSubScript:
		{
			m_toolbar->setButton(TBSub, true);
			m_toolbar->setButton(TBSuper, false);
			break;
		}
		default:
		{
			m_toolbar->setButton(TBSuper, false);
			m_toolbar->setButton(TBSub, false);
		}
	}
}


}

#include "richtextdialog.moc"