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/*
Copyright (C) 2012 Sebastian Herbord. All rights reserved.
This file is part of Mod Organizer.
Mod Organizer 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 3 of the License, or
(at your option) any later version.
Mod Organizer 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.
You should have received a copy of the GNU General Public License
along with Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pluginlistsortproxy.h"
#include "pluginlist.h"
#include <QMenu>
#include <QCheckBox>
#include <QWidgetAction>
PluginListSortProxy::PluginListSortProxy(QObject *parent)
: QSortFilterProxyModel(parent),
m_SortIndex(0), m_SortOrder(Qt::AscendingOrder)
{
m_EnabledColumns.set(PluginList::COL_NAME);
m_EnabledColumns.set(PluginList::COL_PRIORITY);
m_EnabledColumns.set(PluginList::COL_MODINDEX);
this->setDynamicSortFilter(true);
}
unsigned int PluginListSortProxy::getEnabledColumns() const
{
unsigned int result = 0;
for (int i = 0; i <= PluginList::COL_LASTCOLUMN; ++i) {
if (m_EnabledColumns.test(i)) {
result |= 1 << i;
}
}
return result;
}
void PluginListSortProxy::setEnabledColumns(unsigned int columns)
{
emit layoutAboutToBeChanged();
for (int i = 0; i <= PluginList::COL_LASTCOLUMN; ++i) {
m_EnabledColumns.set(i, (columns & (1 << i)) != 0);
}
emit layoutChanged();
}
Qt::ItemFlags PluginListSortProxy::flags(const QModelIndex &modelIndex) const
{
Qt::ItemFlags flags = sourceModel()->flags(mapToSource(modelIndex));
if (sortColumn() == PluginList::COL_NAME) {
flags &= ~Qt::ItemIsDragEnabled;
}
return flags;
}
void PluginListSortProxy::displayColumnSelection(const QPoint &pos)
{
QMenu menu;
for (int i = 0; i <= PluginList::COL_LASTCOLUMN; ++i) {
QCheckBox *checkBox = new QCheckBox(&menu);
checkBox->setText(PluginList::getColumnName(i));
checkBox->setChecked(m_EnabledColumns.test(i) ? Qt::Checked : Qt::Unchecked);
QWidgetAction *checkableAction = new QWidgetAction(&menu);
checkableAction->setDefaultWidget(checkBox);
menu.addAction(checkableAction);
}
menu.exec(pos);
int i = 0;
emit layoutAboutToBeChanged();
m_EnabledColumns.reset();
foreach (const QAction *action, menu.actions()) {
const QWidgetAction *widgetAction = qobject_cast<const QWidgetAction*>(action);
if (widgetAction != NULL) {
const QCheckBox *checkBox = qobject_cast<const QCheckBox*>(widgetAction->defaultWidget());
if (checkBox != NULL) {
m_EnabledColumns.set(i, checkBox->checkState() == Qt::Checked);
}
}
++i;
}
emit layoutChanged();
}
void PluginListSortProxy::updateFilter(const QString &filter)
{
m_CurrentFilter = filter;
invalidateFilter();
}
bool PluginListSortProxy::filterAcceptsRow(int row, const QModelIndex&) const
{
return m_CurrentFilter.isEmpty() ||
sourceModel()->data(sourceModel()->index(row, 0)).toString().contains(m_CurrentFilter, Qt::CaseInsensitive);
}
bool PluginListSortProxy::lessThan(const QModelIndex &left,
const QModelIndex &right) const
{
PluginList *plugins = qobject_cast<PluginList*>(sourceModel());
switch (left.column()) {
case PluginList::COL_NAME: {
return QString::compare(plugins->getName(left.row()), plugins->getName(right.row()), Qt::CaseInsensitive) < 0;
} break;
case PluginList::COL_PRIORITY:
case PluginList::COL_MODINDEX: {
return plugins->getPriority(left.row()) < plugins->getPriority(right.row());
} break;
default: {
static bool first = true;
if (first) {
qCritical("invalid sort column %d", left.column());
first = false;
}
return plugins->getPriority(left.row()) < plugins->getPriority(right.row());
} break;
}
}
bool PluginListSortProxy::dropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent)
{
if ((row == -1) && (column == -1)) {
return this->sourceModel()->dropMimeData(data, action, -1, -1, mapToSource(parent));
}
// in the regular model, when dropping between rows, the row-value passed to
// the sourceModel is inconsistent between ascending and descending ordering.
// This should fix that
if (sortOrder() == Qt::DescendingOrder) {
--row;
}
QModelIndex proxyIndex = index(row, column, parent);
QModelIndex sourceIndex = mapToSource(proxyIndex);
return this->sourceModel()->dropMimeData(data, action, sourceIndex.row(), sourceIndex.column(),
sourceIndex.parent());
}
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