From 981f8b3acf7e76f27c02f4ced80d55b424cc7497 Mon Sep 17 00:00:00 2001
From: Tannin <Tannin@Serenity>
Date: Sun, 3 Feb 2013 12:49:25 +0100
Subject: initial commit to mercurial repository. Corresponds to MO version
 0.12.6

---
 src/pluginlistsortproxy.cpp | 143 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 src/pluginlistsortproxy.cpp

(limited to 'src/pluginlistsortproxy.cpp')

diff --git a/src/pluginlistsortproxy.cpp b/src/pluginlistsortproxy.cpp
new file mode 100644
index 00000000..788073ab
--- /dev/null
+++ b/src/pluginlistsortproxy.cpp
@@ -0,0 +1,143 @@
+/*
+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();
+}
+
+
+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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