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

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Ixonos Plc   *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; version 2 of the License.               *
   7  *                                                                         *
   8  *   This program is distributed in the hope that it will be useful,       *
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  11  *   GNU General Public License for more details.                          *
  12  *                                                                         *
  13  *   You should have received a copy of the GNU General Public License     *
  14  *   along with this program; if not, write to the                         *
  15  *   Free Software Foundation, Inc.,                                       *
  16  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  17  ***************************************************************************/
  18
  19
  20 #include <QScrollArea>
  21 #include <QGroupBox>
  22 #include <QGridLayout>
  23 #include <QTreeWidgetItem>
  24 #include <QCheckBox>
  25 #include <QDialogButtonBox>
  26 #include <QAbstractButton>
  27
  28 #ifdef Q_WS_MAEMO_5
  29         #include <QAbstractKineticScroller>
  30 #endif
  31
  32 #include "ColumnSelectorDialog.h"
  33
  34
  35 ColumnSelectorDialog::ColumnSelectorDialog(QTreeWidget *treewidget, QWidget* parent, Qt::WindowFlags f) :
  36         QDialog(parent, f), // Superclass construct
  37         dialogButtons_(NULL),
  38         grid_(NULL),
  39         treeWidget_(treewidget),
  40         scroller_(NULL),
  41         checkBoxes_()
  42 {
  43         QScrollArea *scrollArea = new QScrollArea(this);
  44
  45 #ifdef Q_WS_MAEMO_5
  46         /// @todo Kineticscrolling (property "FingerScrollable" does not work in Qt 4.6, only in 4.5)
  47         scroller_ = scrollArea->property("kineticScroller").value<QAbstractKineticScroller*>();
  48
  49         if (!scroller_)
  50                 qFatal("This example only works with QMaemo5Style as the default style for all QAbstractScrollAreas");
  51 #endif
  52
  53         scrollArea->setWidgetResizable(true);
  54         //scrollArea->setProperty("FingerScrollable", false);
  55         QBoxLayout *verticalBox = new QBoxLayout(QBoxLayout::TopToBottom);
  56         grid_ = new QGridLayout;
  57         QCheckBox *cbox = NULL;
  58
  59
  60
  61         // Create scrollable checkbox dialog to allow proper viewing on Maemo:
  62         verticalBox->addWidget(scrollArea);
  63         // A "temporary" widget for containing QScrollArea stuff
  64         QWidget* scrollAreaWidgetContents = new QWidget();
  65         scrollAreaWidgetContents->setLayout(grid_);
  66         scrollArea->setWidget(scrollAreaWidgetContents);
  67         setLayout(verticalBox);
  68
  69         if (treeWidget_ != NULL) {
  70                 QTreeWidgetItem *item = treeWidget_->headerItem();
  71
  72                 for (unsigned i = 0; i < item->columnCount(); ++i) {
  73                         cbox = new QCheckBox(item->text(i));
  74                         grid_->addWidget(cbox, i, 0);
  75                         treeWidget_->isColumnHidden(i) ? cbox->setCheckState(Qt::Unchecked) : cbox->setCheckState(Qt::Checked);
  76                         checkBoxes_.push_back(cbox);
  77                         cbox = NULL;
  78                 }
  79         }
  80
  81         dialogButtons_ = new QDialogButtonBox(this);
  82         dialogButtons_->setStandardButtons(QDialogButtonBox::Ok
  83                                            | QDialogButtonBox::Cancel);
  84
  85         verticalBox->addWidget(dialogButtons_);
  86
  87         connect(dialogButtons_, SIGNAL(clicked(QAbstractButton*)),
  88                                         this, SLOT(on_buttonClicked(QAbstractButton*)));
  89 }
  90
  91
  92 ColumnSelectorDialog::~ColumnSelectorDialog()
  93 {
  94 }
  95
  96
  97 void ColumnSelectorDialog::on_buttonClicked(QAbstractButton *button)
  98 {
  99         switch (dialogButtons_->buttonRole ( button ) ) {
 100         case QDialogButtonBox::AcceptRole :
 101                 ApplySettings();
 102                 done(QDialog::Accepted);
 103                 break;
 104         case QDialogButtonBox::ApplyRole :
 105                 ApplySettings();
 106                 done(QDialog::Accepted);
 107                 break;
 108         case QDialogButtonBox::RejectRole :
 109                 done(QDialog::Rejected);
 110                 break;
 111         default:
 112                 return;
 113         }
 114 }
 115
 116
 117 void ColumnSelectorDialog::ApplySettings()
 118 {
 119         if (treeWidget_ != NULL) {
 120                 QTreeWidgetItem *item = treeWidget_->headerItem();
 121                 QCheckBox *cbox = NULL;
 122
 123                 for (unsigned i = 0; i < checkBoxes_.size(); ++i) {
 124                         cbox = checkBoxes_.at(i);
 125                         cbox->isChecked() ? treeWidget_->showColumn(i) : treeWidget_->hideColumn(i);
 126                         cbox = NULL;
 127                 }
 128         }
 129 }
 130