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/*
This file is part of KOrganizer.
Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#include <tqsplitter.h>
#include <tqlistview.h>
#include <tqlayout.h>
#include <tqheader.h>
#include <tqpushbutton.h>
#include <klocale.h>
#include <kdebug.h>
#include <libkcal/event.h>
#include "lineview.h"
#include "timeline.h"
#include "timespanwidget.h"
#include "timespanwidget.moc"
TimeSpanWidget::TimeSpanWidget( TQWidget *parent, const char *name ) :
TQWidget( parent, name )
{
TQBoxLayout *topLayout = new TQVBoxLayout( this );
mSplitter = new TQSplitter( this );
topLayout->addWidget( mSplitter );
mList = new TQListView( mSplitter );
mList->addColumn( i18n("Summary") );
TQWidget *rightPane = new TQWidget( mSplitter );
TQBoxLayout *rightPaneLayout = new TQVBoxLayout( rightPane );
mTimeLine = new TimeLine( rightPane );
mTimeLine->setFixedHeight( mList->header()->height() );
rightPaneLayout->addWidget( mTimeLine );
mLineView = new LineView( rightPane );
rightPaneLayout->addWidget( mLineView );
TQBoxLayout *buttonLayout = new TQHBoxLayout( rightPaneLayout );
TQPushButton *zoomInButton = new TQPushButton( i18n("Zoom In"), rightPane );
connect( zoomInButton, TQT_SIGNAL( clicked() ), TQT_SLOT( zoomIn() ) );
buttonLayout->addWidget( zoomInButton );
TQPushButton *zoomOutButton = new TQPushButton( i18n("Zoom Out"), rightPane );
connect( zoomOutButton, TQT_SIGNAL( clicked() ), TQT_SLOT( zoomOut() ) );
buttonLayout->addWidget( zoomOutButton );
TQPushButton *centerButton = new TQPushButton( i18n("Center View"), rightPane );
connect( centerButton, TQT_SIGNAL( clicked() ), TQT_SLOT( centerView() ) );
buttonLayout->addWidget( centerButton );
connect(mLineView->horizontalScrollBar(),TQT_SIGNAL(valueChanged(int)),
mTimeLine,TQT_SLOT(setContentsPos(int)));
}
TimeSpanWidget::~TimeSpanWidget()
{
}
TQValueList<int> TimeSpanWidget::splitterSizes()
{
return mSplitter->sizes();
}
void TimeSpanWidget::setSplitterSizes( TQValueList<int> sizes )
{
mSplitter->setSizes( sizes );
}
void TimeSpanWidget::addItem( KCal::Event *event )
{
new TQListViewItem( mList, event->summary() );
TQDateTime startDt = event->dtStart();
TQDateTime endDt = event->dtEnd();
// kdDebug(5850) << "TimeSpanWidget::addItem(): start: " << startDt.toString()
// << " end: " << endDt.toString() << endl;
// int startSecs = mStartDate.secsTo( startDt );
// int durationSecs = startDt.secsTo( endDt );
// kdDebug(5850) << "--- startSecs: " << startSecs << " dur: " << durationSecs << endl;
int startX = mStartDate.secsTo( startDt ) / mSecsPerPixel;
int endX = startX + startDt.secsTo( endDt ) / mSecsPerPixel;
// kdDebug(5850) << "TimeSpanWidget::addItem(): s: " << startX << " e: " << endX << endl;
mLineView->addLine( startX, endX );
}
void TimeSpanWidget::clear()
{
mList->clear();
mLineView->clear();
}
void TimeSpanWidget::updateView()
{
#if QT_VERSION >= 300
mLineView->updateContents();
mTimeLine->updateContents();
#else
#endif
}
void TimeSpanWidget::setDateRange( const TQDateTime &start, const TQDateTime &end )
{
mStartDate = start;
mEndDate = end;
mTimeLine->setDateRange( start, end );
mSecsPerPixel = mStartDate.secsTo( mEndDate ) / mLineView->pixelWidth();
}
TQDateTime TimeSpanWidget::startDateTime()
{
return mStartDate;
}
TQDateTime TimeSpanWidget::endDateTime()
{
return mEndDate;
}
void TimeSpanWidget::zoomIn()
{
int span = mStartDate.daysTo( mEndDate );
setDateRange( mStartDate.addDays( span / 4 ), mEndDate.addDays( span / -4 ) );
emit dateRangeChanged();
}
void TimeSpanWidget::zoomOut()
{
int span = mStartDate.daysTo( mEndDate );
setDateRange( mStartDate.addDays( span / -4 ), mEndDate.addDays( span / 4 ) );
emit dateRangeChanged();
}
void TimeSpanWidget::centerView()
{
TQScrollBar *scrollBar = mLineView->horizontalScrollBar();
int min = scrollBar->minValue();
int max = scrollBar->maxValue();
scrollBar->setValue( min + (max-min) / 2 );
}
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