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/*
* Copyright (C) by Hannah von Reth <hannah.vonreth@owncloud.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "models.h"
#include <QApplication>
#include <QItemSelectionRange>
#include <QTextStream>
#include <QSortFilterProxyModel>
#include <QMenu>
#include <QTimer>
#include <functional>
OCC::SignalledQSortFilterProxyModel::SignalledQSortFilterProxyModel(QObject *parent)
: QSortFilterProxyModel(parent)
{
}
void OCC::SignalledQSortFilterProxyModel::setFilterFixedStringSignalled(const QString &pattern)
{
setFilterFixedString(pattern);
emit filterChanged();
}
QString OCC::Models::formatSelection(const QModelIndexList &items, int dataRole)
{
if (items.isEmpty()) {
return {};
}
const auto columns = items.first().model()->columnCount();
QString out;
QTextStream stream(&out);
QString begin;
QString end;
const auto iterate = [columns](const std::function<void(int)> &f) {
if (qApp->layoutDirection() != Qt::RightToLeft) {
for (int c = 0; c < columns; ++c) {
f(c);
}
} else {
for (int c = columns - 1; c >= 0; --c) {
f(c);
}
}
};
if (qApp->layoutDirection() == Qt::RightToLeft) {
stream << right;
begin = QLatin1Char(',');
} else {
stream << left;
end = QLatin1Char(',');
}
iterate([&](int c) {
const auto width = items.first().model()->headerData(c, Qt::Horizontal, StringFormatWidthRole).toInt();
Q_ASSERT(width);
stream << begin
<< qSetFieldWidth(width)
<< items.first().model()->headerData(c, Qt::Horizontal).toString()
<< qSetFieldWidth(0)
<< end;
});
stream << endl;
for (const auto &index : items) {
iterate([&](int c) {
const auto &child = index.siblingAtColumn(c);
stream << begin
<< qSetFieldWidth(child.model()->headerData(c, Qt::Horizontal, StringFormatWidthRole).toInt())
<< child.data(dataRole).toString()
<< qSetFieldWidth(0)
<< end;
});
stream << endl;
}
return out;
}
std::function<void()> OCC::Models::addFilterMenuItems(QMenu *menu, const QStringList &candidates, SignalledQSortFilterProxyModel *model, int column, const QString &columnName, int role)
{
menu->addAction(QApplication::translate("OCC::Models", "%1 Filter:").arg(columnName))->setEnabled(false);
auto filterGroup = new QActionGroup(menu);
filterGroup->setExclusive(true);
const auto currentFilter = model->filterRegExp().pattern();
auto addAction = [=](const QString &s, const QString &filter) {
auto action = menu->addAction(s, menu, [=]() {
model->setFilterRole(role);
model->setFilterKeyColumn(column);
model->setFilterFixedStringSignalled(filter);
});
action->setCheckable(true);
if (currentFilter == filter) {
action->setChecked(true);
}
filterGroup->addAction(action);
return action;
};
auto noFilter = addAction(QApplication::translate("OCC::Models", "All"), QString());
for (const auto &c : candidates) {
addAction(c, c);
}
QTimer::singleShot(0, menu, [menu] {
menu->popup(QCursor::pos());
});
auto resetFunction = [noFilter]() {
noFilter->setChecked(true);
noFilter->trigger();
};
return resetFunction;
}
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