git.maemo.org Git - qtrapids/blob - src/client/ColumnSelectorDialog.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Lassi Väätämöinen   *
   3  *   lassi.vaatamoinen@ixonos.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21
  22 #include <QScrollArea>
  23 #include <QGroupBox>
  24 #include <QGridLayout>
  25 #include <QTreeWidgetItem>
  26 #include <QCheckBox>
  27 #include <QDialogButtonBox>
  28 #include <QAbstractButton>
  29
  30 #ifdef Q_WS_MAEMO_5
  31         #include <QAbstractKineticScroller>
  32 #endif
  33
  34 #include "ColumnSelectorDialog.h"
  35
  36
  37 ColumnSelectorDialog::ColumnSelectorDialog(QTreeWidget *treewidget, QWidget* parent, Qt::WindowFlags f) :
  38         QDialog(parent, f), // Superclass construct
  39         dialogButtons_(NULL),
  40         grid_(NULL),
  41         treeWidget_(treewidget),
  42         scroller_(NULL)
  43         checkBoxes_()
  44 {
  45         QScrollArea *scrollArea = new QScrollArea(this);
  46
  47 #ifdef Q_WS_MAEMO_5
  48         /// @todo Kineticscrolling (property "FingerScrollable" does not work in Qt 4.6, only in 4.5)
  49         scroller_ = scrollArea->property("kineticScroller").value<QAbstractKineticScroller*>();
  50
  51         if (!scroller_)
  52                 qFatal("This example only works with QMaemo5Style as the default style for all QAbstractScrollAreas");
  53 #endif
  54
  55         scrollArea->setWidgetResizable(true);
  56         //scrollArea->setProperty("FingerScrollable", false);
  57         QBoxLayout *verticalBox = new QBoxLayout(QBoxLayout::TopToBottom);
  58         grid_ = new QGridLayout;
  59         QCheckBox *cbox = NULL;
  60
  61
  62
  63         // Create scrollable checkbox dialog to allow proper viewing on Maemo:
  64         verticalBox->addWidget(scrollArea);
  65         // A "temporary" widget for containing QScrollArea stuff
  66         QWidget* scrollAreaWidgetContents = new QWidget();
  67         scrollAreaWidgetContents->setLayout(grid_);
  68         scrollArea->setWidget(scrollAreaWidgetContents);
  69         setLayout(verticalBox);
  70
  71         if (treeWidget_ != NULL) {
  72                 QTreeWidgetItem *item = treeWidget_->headerItem();
  73
  74                 for (unsigned i = 0; i < item->columnCount(); ++i) {
  75                         cbox = new QCheckBox(item->text(i));
  76                         grid_->addWidget(cbox, i, 0);
  77                         treeWidget_->isColumnHidden(i) ? cbox->setCheckState(Qt::Unchecked) : cbox->setCheckState(Qt::Checked);
  78                         checkBoxes_.push_back(cbox);
  79                         cbox = NULL;
  80                 }
  81         }
  82
  83         dialogButtons_ = new QDialogButtonBox(this);
  84         dialogButtons_->setStandardButtons(QDialogButtonBox::Ok
  85                                            | QDialogButtonBox::Cancel);
  86
  87         verticalBox->addWidget(dialogButtons_);
  88
  89         connect(dialogButtons_, SIGNAL(clicked(QAbstractButton*)),
  90                                         this, SLOT(on_buttonClicked(QAbstractButton*)));
  91 }
  92
  93
  94 ColumnSelectorDialog::~ColumnSelectorDialog()
  95 {
  96 }
  97
  98
  99 void ColumnSelectorDialog::on_buttonClicked(QAbstractButton *button)
 100 {
 101         switch (dialogButtons_->buttonRole ( button ) ) {
 102         case QDialogButtonBox::AcceptRole :
 103                 ApplySettings();
 104                 done(QDialog::Accepted);
 105                 break;
 106         case QDialogButtonBox::ApplyRole :
 107                 ApplySettings();
 108                 done(QDialog::Accepted);
 109                 break;
 110         case QDialogButtonBox::RejectRole :
 111                 done(QDialog::Rejected);
 112                 break;
 113         default:
 114                 return;
 115         }
 116 }
 117
 118
 119 void ColumnSelectorDialog::ApplySettings()
 120 {
 121         if (treeWidget_ != NULL) {
 122                 QTreeWidgetItem *item = treeWidget_->headerItem();
 123                 QCheckBox *cbox = NULL;
 124
 125                 for (unsigned i = 0; i < checkBoxes_.size(); ++i) {
 126                         cbox = checkBoxes_.at(i);
 127                         cbox->isChecked() ? treeWidget_->showColumn(i) : treeWidget_->hideColumn(i);
 128                         cbox = NULL;
 129                 }
 130         }
 131 }
 132