helpbrowserdialog.cpp

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#include "helpbrowserdialog.h"
#include "../Help/help.h"
#include "../Models/helpsortfilterproxymodel.h"
#include "../Dialogs/aboutdialog.h"
#include "../Data/aboutdata.h"
#include <QSortFilterProxyModel>
#include <QHelpContentItem>
#include <QMessageBox>
#include <QDebug>
#include <QTimer>

HelpBrowserDialog::HelpBrowserDialog(AboutData *data, QWidget *parent) : QMainWindow(parent)
{
    setupUi(this);
    intialize();
    createActions();

    this->data = data;

    setAttribute(Qt::WA_DeleteOnClose, true);

    // only working solution (singleshot) -- in a seperate project it worked with 0 sec. timeout
    // calling the slot directly -- fail
    // connecting to the signal contentsCreated from the helpContentModel -- fail
    // problem: url is empty
    QTimer::singleShot(500, this, SLOT(showOverview()));
}

void HelpBrowserDialog::intialize()
{
    help = new Help(this);
    helpContentModel = help->m_engine.contentModel();
    proxyModel = new HelpSortFilterProxyModel(this);
    proxyModel->setSourceModel(helpContentModel);
    proxyModel->setDynamicSortFilter(true);
    proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);

    treeContent->setModel(proxyModel);
}

void HelpBrowserDialog::createActions()
{
    connect(treeContent, SIGNAL(clicked(QModelIndex)), this, SLOT(displayedFileChanged(QModelIndex)));
    connect(textHelpFilter, SIGNAL(textChanged(QString)), proxyModel, SLOT(setFilterFixedString(QString)));
    connect(actionAboutAllevo, SIGNAL(triggered()), this, SLOT(about()));
    connect(actionOverview, SIGNAL(triggered()), this, SLOT(showOverview()));
    connect(actionExit, SIGNAL(triggered()), this, SLOT(close()));
}

void HelpBrowserDialog::displayedFileChanged(QModelIndex index)
{
    QHelpContentItem *item = helpContentModel->contentItemAt(proxyModel->mapToSource(index));
    helpView->setContent(help->m_engine.fileData(item->url()));
}

void HelpBrowserDialog::about()
{
    AboutDialog *about = new AboutDialog(data, this);
    about->show();
}

void HelpBrowserDialog::showOverview()
{
    QModelIndex index = helpContentModel->index(0, 0, QModelIndex());
    if(index.isValid())
    {
        QHelpContentItem *item = helpContentModel->contentItemAt(index);
        if(item)
        {
            helpView->setContent(help->m_engine.fileData(item->url()));
        }
    }
}

HelpBrowserDialog::~HelpBrowserDialog()
{
    proxyModel->deleteLater();
    helpContentModel->deleteLater();
    delete help;
}

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