/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <QtGui>+
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+
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#include "freezetablewidget.h"+
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+
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//! [constructor]+
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FreezeTableWidget::FreezeTableWidget(QAbstractItemModel * model)+
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{+
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      setModel(model);+
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      frozenTableView = new QTableView(this);+
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+
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      init();+
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+
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      //connect the headers and scrollbars of both tableviews together+
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      connect(horizontalHeader(),SIGNAL(sectionResized(int,int,int)), this,+
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              SLOT(updateSectionWidth(int,int,int)));+
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      connect(verticalHeader(),SIGNAL(sectionResized(int,int,int)), this,+
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              SLOT(updateSectionHeight(int,int,int)));+
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+
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      connect(frozenTableView->verticalScrollBar(), SIGNAL(valueChanged(int)),+
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              verticalScrollBar(), SLOT(setValue(int)));+
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      connect(verticalScrollBar(), SIGNAL(valueChanged(int)),+
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              frozenTableView->verticalScrollBar(), SLOT(setValue(int)));+
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+
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+
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}+
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//! [constructor]+
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+
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FreezeTableWidget::~FreezeTableWidget()+
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{+
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      delete frozenTableView;+
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}+
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+
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//! [init part1]+
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void FreezeTableWidget::init()+
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{+
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      frozenTableView->setModel(model());+
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      frozenTableView->setFocusPolicy(Qt::NoFocus);+
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      frozenTableView->verticalHeader()->hide();+
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      frozenTableView->horizontalHeader()->setResizeMode(QHeaderView::Fixed);+
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+
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      viewport()->stackUnder(frozenTableView);+
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//! [init part1]+
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+
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//! [init part2]+
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      frozenTableView->setStyleSheet("QTableView { border: none;"+
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                                     "background-color: #8EDE21;"+
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                                     "selection-background-color: #999}"); //for demo purposes+
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      frozenTableView->setSelectionModel(selectionModel());+
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      for(int col=1; col<model()->columnCount(); col++)+
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            frozenTableView->setColumnHidden(col, true);+
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+
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      frozenTableView->setColumnWidth(0, columnWidth(0) );+
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+
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      frozenTableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);+
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      frozenTableView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);+
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      frozenTableView->show();+
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+
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      updateFrozenTableGeometry();+
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+
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      setHorizontalScrollMode(ScrollPerPixel);+
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      setVerticalScrollMode(ScrollPerPixel);+
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      frozenTableView->setVerticalScrollMode(ScrollPerPixel);+
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}+
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//! [init part2]+
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+
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+
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//! [sections]+
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void FreezeTableWidget::updateSectionWidth(int logicalIndex, int, int newSize)+
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{+
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      if(logicalIndex==0){+
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            frozenTableView->setColumnWidth(0,newSize);+
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            updateFrozenTableGeometry();+
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      }+
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}+
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+
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void FreezeTableWidget::updateSectionHeight(int logicalIndex, int, int newSize)+
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{+
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      frozenTableView->setRowHeight(logicalIndex, newSize);+
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}+
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//! [sections]+
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+
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+
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//! [resize]+
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void FreezeTableWidget::resizeEvent(QResizeEvent * event)+
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{+
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      QTableView::resizeEvent(event);+
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      updateFrozenTableGeometry();+
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 }+
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//! [resize]+
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+
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+
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//! [navigate]+
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QModelIndex FreezeTableWidget::moveCursor(CursorAction cursorAction,+
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                                          Qt::KeyboardModifiers modifiers)+
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{+
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      QModelIndex current = QTableView::moveCursor(cursorAction, modifiers);+
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+
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      if(cursorAction == MoveLeft && current.column()>0+
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         && visualRect(current).topLeft().x() < frozenTableView->columnWidth(0) ){+
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+
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            const int newValue = horizontalScrollBar()->value() + visualRect(current).topLeft().x()+
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                                 - frozenTableView->columnWidth(0);+
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            horizontalScrollBar()->setValue(newValue);+
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      }+
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      return current;+
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}+
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//! [navigate]+
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+
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void FreezeTableWidget::scrollTo (const QModelIndex & index, ScrollHint hint){+
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    if(index.column()>0)+
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        QTableView::scrollTo(index, hint);+
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}+
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+
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+
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+
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//! [geometry]+
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void FreezeTableWidget::updateFrozenTableGeometry()+
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{+
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      frozenTableView->setGeometry( verticalHeader()->width()+frameWidth(),+
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                                    frameWidth(), columnWidth(0),+
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                                    viewport()->height()+horizontalHeader()->height());+
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}+
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//! [geometry]+
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+
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+
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