qt-creator/src/plugins/vcsbase/submitfilemodel.cpp

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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#include "submitfilemodel.h"
#include "vcsbaseconstants.h"

#include <QtGui/QStandardItem>
#include <QtCore/QDebug>

namespace VCSBase {

// --------------------------------------------------------------------------
// Helpers:
// --------------------------------------------------------------------------

static QList<QStandardItem *> createFileRow(const QString &fileName, const QString &status,
                                            bool checked, const QVariant &v)
{
    QStandardItem *statusItem = new QStandardItem(status);
    statusItem->setCheckable(true);
    statusItem->setCheckState(checked ? Qt::Checked : Qt::Unchecked);
    statusItem->setFlags(Qt::ItemIsSelectable|Qt::ItemIsUserCheckable|Qt::ItemIsEnabled);
    statusItem->setData(v);
    QStandardItem *fileItem = new QStandardItem(fileName);
    fileItem->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled);
    QList<QStandardItem *> row;
    row << statusItem << fileItem;
    return row;
}

// --------------------------------------------------------------------------
// SubmitFileModel:
// --------------------------------------------------------------------------

/*!
    \class VCSBase::SubmitFileModel

    \brief A 2-column (checkable, state, file name) model to be used to list the files
    in the submit editor. Provides header items and a convience to add files.
 */

SubmitFileModel::SubmitFileModel(QObject *parent) :
    QStandardItemModel(0, 2, parent)
{
    // setColumnCount(2);
    QStringList headerLabels;
    headerLabels << tr("State") << tr("File");
    setHorizontalHeaderLabels(headerLabels);
}

QList<QStandardItem *> SubmitFileModel::addFile(const QString &fileName, const QString &status, bool checked,
                                                const QVariant &v)
{
    const QList<QStandardItem *> row = createFileRow(fileName, status, checked, v);
    appendRow(row);
    return row;
}

QList<QStandardItem *> SubmitFileModel::rowAt(int row) const
{
    const int colCount = columnCount();
    QList<QStandardItem *> rc;
    for (int c = 0; c < colCount; c++)
        rc.push_back(item(row, c));
    return rc;
}

QString SubmitFileModel::state(int row) const
{
    if (row < 0 || row >= rowCount())
        return QString();
    return item(row)->text();
}

QString SubmitFileModel::file(int row) const
{
    if (row < 0 || row >= rowCount())
        return QString();
    return item(row, 1)->text();
}

bool SubmitFileModel::checked(int row) const
{
    if (row < 0 || row >= rowCount())
        return false;
    return (item(row)->checkState() == Qt::Checked);
}

QVariant SubmitFileModel::data(int row) const
{
    if (row < 0 || row >= rowCount())
        return false;
    return item(row)->data();
}

bool SubmitFileModel::hasCheckedFiles() const
{
    for (int i = 0; i < rowCount(); ++i) {
        if (checked(i))
            return true;
    }
    return false;
}

QList<QStandardItem *> SubmitFileModel::findRow(const QString &text, int column) const
{
    // Single item
    const QList<QStandardItem *> items = findItems(text, Qt::MatchExactly, column);
    if (items.empty())
        return items;
    // Compile row
    return rowAt(items.front()->row());
 }

unsigned SubmitFileModel::filter(const QStringList &filter, int column)
{
    unsigned rc = 0;
    for (int r = rowCount() - 1; r >= 0; r--)
        if (const QStandardItem *i = item(r, column))
            if (!filter.contains(i->text())) {
                qDeleteAll(takeRow(r));
                rc++;
            }
    if (VCSBase::Constants::Internal::debug)
        qDebug() << Q_FUNC_INFO << " deleted " << rc << " items using " << filter << " , remaining " << rowCount();
    return rc;
}
}