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** This file is part of the UiHelpers playground module of the Qt Toolkit.
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#include "uiquickcompletionmodel_p.h"
#include <UiHelpers/UiProxyQmlModel>

class UiQuickCompletionModelPrivate
{
public:
    UiQuickCompletionModelPrivate(UiQuickCompletionModel *parent)
        : proxy(new UiProxyQmlModel(parent)) {}

    QVariant source;
    QString roleName;
    UiProxyQmlModel *proxy;
};


UiQuickCompletionModel::UiQuickCompletionModel(QObject *parent)
    : UiCompletionModel(parent)
    , d_ptr(new UiQuickCompletionModelPrivate(this))
{
}

UiQuickCompletionModel::~UiQuickCompletionModel()
{
}

QVariant UiQuickCompletionModel::source() const
{
    Q_D(const UiQuickCompletionModel);

    return d->source;
}

void UiQuickCompletionModel::setSource(const QVariant& source)
{
    Q_D(UiQuickCompletionModel);

    if (source == d->source)
        return;

    setSourceModel(0); // Disconnect all signals from old model
    UiProxyQmlModel::ListType type = d->proxy->updateSource(source);
    if (type == UiProxyQmlModel::ArrayList)
        setCompletionRole(Qt::DisplayRole);
    else if (type == UiProxyQmlModel::QuickList) {
        int role = d->proxy->roleNames().key(d->roleName.toLatin1(), -1);
        if (role != -1)
            setCompletionRole(role);
    }
    setSourceModel(d->proxy);

    d->source = source;
    emit sourceModelChanged();
}


QString UiQuickCompletionModel::completionRoleName() const
{
    Q_D(const UiQuickCompletionModel);

    return d->roleName;
}

void UiQuickCompletionModel::setCompletionRoleName(const QString &roleName)
{
    Q_D(UiQuickCompletionModel);

    if (roleName == d->roleName)
        return;

    int role = d->proxy->roleNames().key(roleName.toLatin1(), -1);
    if (role != -1)
        setCompletionRole(role);

    d->roleName = roleName;
    emit completionRoleNameChanged();
}