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/*

  window.cpp

  A minimal subclass of QTableView with slots to allow the selection model

  to be monitored.

*/

#include <QAbstractItemModel>

#include <QItemSelection>

#include <QItemSelectionModel>

#include <QMenu>

#include <QMenuBar>

#include <QStatusBar>

#include "model.h"

#include "window.h"

MainWindow::MainWindow(QWidget *parent)

    : QMainWindow(parent)

{

    setWindowTitle("Selected Items in a Table Model");

    model = new TableModel(8, 4, this);

    table = new QTableView(this);

    table->setModel(model);

    QMenu *actionMenu = new QMenu(tr("&Actions"), this);

    QAction *fillAction = actionMenu->addAction(tr("&Fill Selection"));

    QAction *clearAction = actionMenu->addAction(tr("&Clear Selection"));

    QAction *selectAllAction = actionMenu->addAction(tr("&Select All"));

    menuBar()->addMenu(actionMenu);

    connect(fillAction, SIGNAL(triggered()), this, SLOT(fillSelection()));

    connect(clearAction, SIGNAL(triggered()), this, SLOT(clearSelection()));

    connect(selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll()));

    selectionModel = table->selectionModel();

    statusBar();

    setCentralWidget(table);

}

void MainWindow::fillSelection()

{

//! [0]

    QModelIndexList indexes = selectionModel->selectedIndexes();

    QModelIndex index;

    foreach(index, indexes) {

        QString text = QString("(%1,%2)").arg(index.row()).arg(index.column());

        model->setData(index, text);

    }

//! [0]

}

void MainWindow::clearSelection()

{

    QModelIndexList indexes = selectionModel->selectedIndexes();

    QModelIndex index;

    foreach(index, indexes)

        model->setData(index, "");

}

void MainWindow::selectAll()

{

//! [1]

    QModelIndex parent = QModelIndex();

//! [1] //! [2]

    QModelIndex topLeft = model->index(0, 0, parent);

    QModelIndex bottomRight = model->index(model->rowCount(parent)-1,

        model->columnCount(parent)-1, parent);

//! [2]

//! [3]

    QItemSelection selection(topLeft, bottomRight);

    selectionModel->select(selection, QItemSelectionModel::Select);

//! [3]

}