/*
 *   kmail: KDE mail client
 */

#include "configuredialoglistview.h"

#include <KLocalizedString>
#include <QMenu>

ListView::ListView(QWidget *parent)
    : QTreeWidget(parent)
{
    setAllColumnsShowFocus(true);
    setAlternatingRowColors(true);
    setSelectionMode(QAbstractItemView::SingleSelection);
    setRootIsDecorated(false);
    setContextMenuPolicy(Qt::CustomContextMenu);
    connect(this, &ListView::customContextMenuRequested, this, &ListView::slotContextMenu);
}

void ListView::resizeEvent(QResizeEvent *e)
{
    QTreeWidget::resizeEvent(e);
    resizeColums();
}

void ListView::showEvent(QShowEvent *e)
{
    QTreeWidget::showEvent(e);
    resizeColums();
}

void ListView::resizeColums()
{
    const int c = columnCount();
    if (c == 0) {
        return;
    }

    const int w1 = viewport()->width();
    const int w2 = w1 / c;
    const int w3 = w1 - (c - 1) * w2;

    for (int i = 0; i < c - 1; ++i) {
        setColumnWidth(i, w2);
    }
    setColumnWidth(c - 1, w3);
}

void ListView::slotContextMenu(const QPoint &pos)
{
    QMenu *menu = new QMenu(this);
    menu->addAction(i18n("Add"), this, SIGNAL(addHeader()));
    if (currentItem()) {
        menu->addAction(i18n("Remove"), this, SIGNAL(removeHeader()));
    }
    menu->exec(viewport()->mapToGlobal(pos));
    delete menu;
}