Subclass QSortFilterProxyModel to hide the group column in EntryView.

QTreeView::hideColumn() does not work well with keyboard search.

src/CMakeLists.txt

@@ -79,6 +79,7 @@ set(keepassx_SOURCES
     gui/LineEdit.cpp
     gui/MainWindow.cpp
     gui/SettingsWidget.cpp
+    gui/SortFilterHideProxyModel.cpp
     gui/WelcomeWidget.cpp
     gui/entry/AutoTypeAssociationsModel.cpp
     gui/entry/EditEntryWidget.cpp
@@ -133,6 +134,7 @@ set(keepassx_MOC
     gui/LineEdit.h
     gui/MainWindow.h
     gui/SettingsWidget.h
+    gui/SortFilterHideProxyModel.h
     gui/WelcomeWidget.h
     gui/entry/AutoTypeAssociationsModel.h
     gui/entry/EditEntryWidget.h

src/gui/SortFilterHideProxyModel.cpp

@@ -0,0 +1,38 @@
+/*
+ *  Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
+ *
+ *  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 or (at your option)
+ *  version 3 of the License.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SortFilterHideProxyModel.h"
+
+SortFilterHideProxyModel::SortFilterHideProxyModel(QObject* parent)
+    : QSortFilterProxyModel(parent)
+{
+}
+
+void SortFilterHideProxyModel::hideColumn(int column, bool hide)
+{
+    m_hiddenColumns.resize(column + 1);
+    m_hiddenColumns[column] = hide;
+
+    invalidateFilter();
+}
+
+bool SortFilterHideProxyModel::filterAcceptsColumn(int sourceColumn, const QModelIndex& sourceParent) const
+{
+    Q_UNUSED(sourceParent);
+
+    return sourceColumn >= m_hiddenColumns.size() || !m_hiddenColumns.at(sourceColumn);
+}

src/gui/SortFilterHideProxyModel.h

@@ -0,0 +1,41 @@
+/*
+ *  Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
+ *
+ *  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 or (at your option)
+ *  version 3 of the License.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KEEPASSX_SORTFILTERHIDEPROXYMODEL_H
+#define KEEPASSX_SORTFILTERHIDEPROXYMODEL_H
+
+#include <QtCore/QBitArray>
+#include <QtGui/QSortFilterProxyModel>
+
+#include "core/Global.h"
+
+class SortFilterHideProxyModel : public QSortFilterProxyModel
+{
+    Q_OBJECT
+
+public:
+    explicit SortFilterHideProxyModel(QObject* parent = Q_NULLPTR);
+    void hideColumn(int column, bool hide);
+
+protected:
+    bool filterAcceptsColumn(int sourceColumn, const QModelIndex& sourceParent) const Q_DECL_OVERRIDE;
+
+private:
+    QBitArray m_hiddenColumns;
+};
+
+#endif // KEEPASSX_SORTFILTERHIDEPROXYMODEL_H

src/gui/entry/EntryModel.cpp

@@ -41,7 +41,7 @@ QModelIndex EntryModel::indexFromEntry(Entry* entry) const
 {
     int row = m_entries.indexOf(entry);
     Q_ASSERT(row != -1);
-    return index(row, 0);
+    return index(row, 1);
 }
 
 void EntryModel::setGroup(Group* group)
@@ -83,6 +83,7 @@ void EntryModel::setEntryList(const QList<Entry*>& entries)
     }
 
     Q_FOREACH (Database* db, databases) {
+        Q_ASSERT(db);
         m_allGroups.append(db->rootGroup()->groupsRecursive(true));
     }
 

src/gui/entry/EntryView.cpp

@@ -17,14 +17,13 @@
 
 #include "EntryView.h"
 
-#include <QtGui/QSortFilterProxyModel>
-
+#include "gui/SortFilterHideProxyModel.h"
 #include "gui/entry/EntryModel.h"
 
 EntryView::EntryView(QWidget* parent)
     : QTreeView(parent)
     , m_model(new EntryModel(this))
-    , m_sortModel(new QSortFilterProxyModel(this))
+    , m_sortModel(new SortFilterHideProxyModel(this))
     , m_inEntryListMode(false)
 {
     m_sortModel->setSourceModel(m_model);
@@ -45,8 +44,6 @@ EntryView::EntryView(QWidget* parent)
     connect(selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SIGNAL(entrySelectionChanged()));
     connect(m_model, SIGNAL(switchedToEntryListMode()), SLOT(switchToEntryListMode()));
     connect(m_model, SIGNAL(switchedToGroupMode()), SLOT(switchToGroupMode()));
-
-    sortByColumn(0, Qt::AscendingOrder);
 }
 
 void EntryView::setGroup(Group* group)
@@ -110,15 +107,15 @@ Entry* EntryView::entryFromIndex(const QModelIndex& index)
 
 void EntryView::switchToEntryListMode()
 {
+    m_sortModel->hideColumn(0, false);
     sortByColumn(1, Qt::AscendingOrder); // TODO: should probably be improved
     sortByColumn(0, Qt::AscendingOrder);
-    showColumn(0);
     m_inEntryListMode = true;
 }
 
 void EntryView::switchToGroupMode()
 {
-    sortByColumn(1, Qt::AscendingOrder);
-    hideColumn(0);
+    m_sortModel->hideColumn(0, true);
+    sortByColumn(0, Qt::AscendingOrder);
     m_inEntryListMode = false;
 }

src/gui/entry/EntryView.h

@@ -25,7 +25,7 @@
 class Entry;
 class EntryModel;
 class Group;
-class QSortFilterProxyModel;
+class SortFilterHideProxyModel;
 
 class EntryView : public QTreeView
 {
@@ -55,7 +55,7 @@ private Q_SLOTS:
 
 private:
     EntryModel* const m_model;
-    QSortFilterProxyModel* const m_sortModel;
+    SortFilterHideProxyModel* const m_sortModel;
     bool m_inEntryListMode;
 };
 

tests/TestEntryModel.cpp

@@ -27,6 +27,7 @@
 #include "core/Group.h"
 #include "crypto/Crypto.h"
 #include "gui/IconModels.h"
+#include "gui/SortFilterHideProxyModel.h"
 #include "gui/entry/AutoTypeAssociationsModel.h"
 #include "gui/entry/EntryModel.h"
 #include "gui/entry/EntryAttachmentsModel.h"
@@ -264,4 +265,50 @@ void TestEntryModel::testAutoTypeAssociationsModel()
     delete assocications;
 }
 
+void TestEntryModel::testProxyModel()
+{
+    EntryModel* modelSource = new EntryModel(this);
+    SortFilterHideProxyModel* modelProxy = new SortFilterHideProxyModel(this);
+    modelProxy->setSourceModel(modelSource);
+
+    ModelTest* modelTest = new ModelTest(modelProxy, this);
+
+    Database* db = new Database();
+    Entry* entry = new Entry();
+    entry->setTitle("Test Title");
+    entry->setGroup(db->rootGroup());
+
+    modelSource->setGroup(db->rootGroup());
+
+    QSignalSpy spyColumnRemove(modelProxy, SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)));
+    modelProxy->hideColumn(0, true);
+    QCOMPARE(modelProxy->columnCount(), 3);
+    QVERIFY(spyColumnRemove.size() >= 1);
+
+    int oldSpyColumnRemoveSize = spyColumnRemove.size();
+    modelProxy->hideColumn(0, true);
+    QCOMPARE(spyColumnRemove.size(), oldSpyColumnRemoveSize);
+
+    modelProxy->hideColumn(100, true);
+    QCOMPARE(spyColumnRemove.size(), oldSpyColumnRemoveSize);
+
+    QList<Entry*> entryList;
+    entryList << entry;
+    modelSource->setEntryList(entryList);
+
+    QSignalSpy spyColumnInsert(modelProxy, SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)));
+    modelProxy->hideColumn(0, false);
+    QCOMPARE(modelProxy->columnCount(), 4);
+    QVERIFY(spyColumnInsert.size() >= 1);
+
+    int oldSpyColumnInsertSize = spyColumnInsert.size();
+    modelProxy->hideColumn(0, false);
+    QCOMPARE(spyColumnInsert.size(), oldSpyColumnInsertSize);
+
+    delete modelTest;
+    delete modelProxy;
+    delete modelSource;
+    delete db;
+}
+
 KEEPASSX_QTEST_CORE_MAIN(TestEntryModel)

tests/TestEntryModel.h

@@ -32,6 +32,7 @@ private Q_SLOTS:
     void testDefaultIconModel();
     void testCustomIconModel();
     void testAutoTypeAssociationsModel();
+    void testProxyModel();
 };
 
 #endif // KEEPASSX_TESTENTRYMODEL_H