Qt 4.0: tabdialog.cpp Example File (dialogs/tabdialog/tabdialog.cpp)

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# tabdialog.cpp Example File
dialogs/tabdialog/tabdialog.cpp

        /****************************************************************************
        **
        ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
    **
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
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        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        **
        ****************************************************************************/

        #include <QtGui>

        #include "tabdialog.h"

        TabDialog::TabDialog(const QString &fileName, QWidget *parent)
            : QDialog(parent)
        {
            QFileInfo fileInfo(fileName);

            tabWidget = new QTabWidget;
            tabWidget->addTab(new GeneralTab(fileInfo), tr("General"));
            tabWidget->addTab(new PermissionsTab(fileInfo), tr("Permissions"));
            tabWidget->addTab(new ApplicationsTab(fileInfo), tr("Applications"));

            QPushButton *okButton = new QPushButton(tr("OK"));
            QPushButton *cancelButton = new QPushButton(tr("Cancel"));

            connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
            connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));

            QHBoxLayout *buttonLayout = new QHBoxLayout;
            buttonLayout->addStretch(1);
            buttonLayout->addWidget(okButton);
            buttonLayout->addWidget(cancelButton);

            QVBoxLayout *mainLayout = new QVBoxLayout;
            mainLayout->addWidget(tabWidget);
            mainLayout->addLayout(buttonLayout);
            setLayout(mainLayout);

            setWindowTitle(tr("Tab Dialog"));
        }

        GeneralTab::GeneralTab(const QFileInfo &fileInfo, QWidget *parent)
            : QWidget(parent)
        {
            QLabel *fileNameLabel = new QLabel(tr("File Name:"));
            QLineEdit *fileNameEdit = new QLineEdit(fileInfo.fileName());

            QLabel *pathLabel = new QLabel(tr("Path:"));
            QLabel *pathValueLabel = new QLabel(fileInfo.absoluteFilePath());
            pathValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

            QLabel *sizeLabel = new QLabel(tr("Size:"));
            qlonglong size = fileInfo.size()/1024;
            QLabel *sizeValueLabel = new QLabel(tr("%1 K").arg(size));
            sizeValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

            QLabel *lastReadLabel = new QLabel(tr("Last Read:"));
            QLabel *lastReadValueLabel = new QLabel(fileInfo.lastRead().toString());
            lastReadValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

            QLabel *lastModLabel = new QLabel(tr("Last Modified:"));
            QLabel *lastModValueLabel = new QLabel(fileInfo.lastModified().toString());
            lastModValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

            QVBoxLayout *mainLayout = new QVBoxLayout;
            mainLayout->addWidget(fileNameLabel);
            mainLayout->addWidget(fileNameEdit);
            mainLayout->addWidget(pathLabel);
            mainLayout->addWidget(pathValueLabel);
            mainLayout->addWidget(sizeLabel);
            mainLayout->addWidget(sizeValueLabel);
            mainLayout->addWidget(lastReadLabel);
            mainLayout->addWidget(lastReadValueLabel);
            mainLayout->addWidget(lastModLabel);
            mainLayout->addWidget(lastModValueLabel);
            mainLayout->addStretch(1);
            setLayout(mainLayout);
        }

        PermissionsTab::PermissionsTab(const QFileInfo &fileInfo, QWidget *parent)
            : QWidget(parent)
        {
            QGroupBox *permissionsGroup = new QGroupBox(tr("Permissions"));

            QCheckBox *readable = new QCheckBox(tr("Readable"));
            if (fileInfo.isReadable())
                readable->setChecked(true);

            QCheckBox *writable = new QCheckBox(tr("Writable"));
            if ( fileInfo.isWritable() )
                writable->setChecked(true);

            QCheckBox *executable = new QCheckBox(tr("Executable"));
            if ( fileInfo.isExecutable() )
                executable->setChecked(true);

            QGroupBox *ownerGroup = new QGroupBox(tr("Ownership"));

            QLabel *ownerLabel = new QLabel(tr("Owner"));
            QLabel *ownerValueLabel = new QLabel(fileInfo.owner());
            ownerValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

            QLabel *groupLabel = new QLabel(tr("Group"));
            QLabel *groupValueLabel = new QLabel(fileInfo.group());
            groupValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

            QVBoxLayout *permissionsLayout = new QVBoxLayout;
            permissionsLayout->addWidget(readable);
            permissionsLayout->addWidget(writable);
            permissionsLayout->addWidget(executable);
            permissionsGroup->setLayout(permissionsLayout);

            QVBoxLayout *ownerLayout = new QVBoxLayout;
            ownerLayout->addWidget(ownerLabel);
            ownerLayout->addWidget(ownerValueLabel);
            ownerLayout->addWidget(groupLabel);
            ownerLayout->addWidget(groupValueLabel);
            ownerGroup->setLayout(ownerLayout);

            QVBoxLayout *mainLayout = new QVBoxLayout;
            mainLayout->addWidget(permissionsGroup);
            mainLayout->addWidget(ownerGroup);
            mainLayout->addStretch(1);
            setLayout(mainLayout);
        }

        ApplicationsTab::ApplicationsTab(const QFileInfo &fileInfo, QWidget *parent)
            : QWidget(parent)
        {
            QLabel *topLabel = new QLabel(tr("Open with:"));

            QListWidget *applicationsListBox = new QListWidget;
            QStringList applications;

            for (int i = 1; i <= 30; ++i)
                applications.append(tr("Application %1").arg(i));
            applicationsListBox->insertItems(0, applications);

            QCheckBox *alwaysCheckBox;

            if (fileInfo.suffix().isEmpty())
                alwaysCheckBox = new QCheckBox(tr("Always use this application to "
                    "open this type of file"));
            else
                alwaysCheckBox = new QCheckBox(tr("Always use this application to "
                    "open files with the extension '%1'").arg(fileInfo.suffix()));

            QVBoxLayout *layout = new QVBoxLayout;
            layout->addWidget(topLabel);
            layout->addWidget(applicationsListBox);
            layout->addWidget(alwaysCheckBox);
            setLayout(layout);
        }