/*
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version
  2 of the License, or (at your option) any later version.
*/

#include <QVBoxLayout>
#include <QSortFilterProxyModel>

#include "archivebrowser.h"
#include "archivebrowsermodel.h"
#include "smtreeview.h"
#include "smglobals.h"
#include "delegates.h"

ArchiveBrowser::ArchiveBrowser(QWidget *parent) : QWidget(parent){
    //prep
    mModel = static_cast<ArchiveBrowserModel*>(SmGlobals::instance()->model("BrowserModel"));
    mProxy = new QSortFilterProxyModel;
    mProxy->setSourceModel(mModel);
    mTree = new SmTreeView;
    mTree->setModel(mProxy);
    mTree->setColumnHidden(ArchiveBrowserModel::GenericId, true);
    mTree->setColumnHidden(ArchiveBrowserModel::NodeType, true);
    mTree->setSortingEnabled(true);
    mTree->setItemDelegateForColumn(ArchiveBrowserModel::TotalSize, new SizeDelegate(this));
    mTree->setItemDelegateForColumn(ArchiveBrowserModel::FileType, new FileTypeDelegate(this));
    mTree->setSelectionMode(QAbstractItemView::ExtendedSelection);

    //connect
    connect(mTree->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(browserSelectionChanged(QItemSelection,QItemSelection)));

    //make widget
    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addWidget(mTree);
    setLayout(mainLayout);
}

void ArchiveBrowser::browserSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected) {
    Q_UNUSED(selected);
    Q_UNUSED(deselected);
    QModelIndexList sel = mTree->selectionModel()->selectedRows();
    qint64 size = 0;
    int selItems = 0;
    foreach(QModelIndex idx, sel){
        size += idx.data(ArchiveBrowserModel::TotalSizeRole).toDouble();
        ++selItems;
    }
    emit sizeChanged(size);
    emit itemCountChanged(selItems);
}