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** This file is part of the test suite of the Qt Toolkit.

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****************************************************************************/

#include <QtTest/QtTest>

#include <qabstractitemview.h>

#include <qstandarditemmodel.h>

#include <qapplication.h>

#include <qlistview.h>

#include <qtableview.h>

#include <qtreeview.h>

#include <qtreewidget.h>

#include <qheaderview.h>

#include <qspinbox.h>

#include <qitemdelegate.h>

#include <qpushbutton.h>

#include <qscrollbar.h>

#include <qboxlayout.h>

#include <qlineedit.h>

#include "../../shared/util.h"

//TESTED_CLASS=

//TESTED_FILES=

// Will try to wait for the condition while allowing event processing

// for a maximum of 5 seconds.

#define TRY_COMPARE(expr, expected) \

    do { \

        const int step = 50; \

        for (int q = 0; q < 5000 && ((expr) != (expected)); q+=step) { \

            QTest::qWait(step); \

        } \

        QCOMPARE(expr, expected); \

    } while(0)

class TestView : public QAbstractItemView

{

    Q_OBJECT

public:

    inline void tst_dataChanged(const QModelIndex &tl, const QModelIndex &br)

        { dataChanged(tl, br); }

    inline void tst_setHorizontalStepsPerItem(int steps)

        { setHorizontalStepsPerItem(steps); }

    inline int tst_horizontalStepsPerItem() const

        { return horizontalStepsPerItem(); }

    inline void tst_setVerticalStepsPerItem(int steps)

        { setVerticalStepsPerItem(steps); }

    inline int tst_verticalStepsPerItem() const

        { return verticalStepsPerItem(); }

    inline void tst_rowsInserted(const QModelIndex &parent, int start, int end)

        { rowsInserted(parent, start, end); }

    inline void tst_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)

        { rowsAboutToBeRemoved(parent, start, end); }

    inline void tst_selectionChanged(const QItemSelection &selected,

                                     const QItemSelection &deselected)

        { selectionChanged(selected, deselected); }

    inline void tst_currentChanged(const QModelIndex &current, const QModelIndex &previous)

        { currentChanged(current, previous); }

    inline void tst_updateEditorData()

        { updateEditorData(); }

    inline void tst_updateEditorGeometries()

        { updateEditorGeometries(); }

    inline void tst_updateGeometries()

        { updateGeometries(); }

    inline void tst_verticalScrollbarAction(int action)

        { verticalScrollbarAction(action); }

    inline void tst_horizontalScrollbarAction(int action)

        { horizontalScrollbarAction(action); }

    inline void tst_verticalScrollbarValueChanged(int value)

        { verticalScrollbarValueChanged(value); }

    inline void tst_horizontalScrollbarValueChanged(int value)

        { horizontalScrollbarValueChanged(value); }

    inline void tst_closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint)

        { closeEditor(editor, hint); }

    inline void tst_commitData(QWidget *editor)

        { commitData(editor); }

    inline void tst_editorDestroyed(QObject *editor)

        { editorDestroyed(editor); }

    enum tst_CursorAction {

        MoveUp = QAbstractItemView::MoveUp,

        MoveDown = QAbstractItemView::MoveDown,

        MoveLeft = QAbstractItemView::MoveLeft,

        MoveRight = QAbstractItemView::MoveRight,

        MoveHome = QAbstractItemView::MoveHome,

        MoveEnd = QAbstractItemView::MoveEnd,

        MovePageUp = QAbstractItemView::MovePageUp,

        MovePageDown = QAbstractItemView::MovePageDown,

        MoveNext = QAbstractItemView::MoveNext,

        MovePrevious = QAbstractItemView::MovePrevious

    };

    inline QModelIndex tst_moveCursor(tst_CursorAction cursorAction,

                                      Qt::KeyboardModifiers modifiers)

        { return moveCursor(QAbstractItemView::CursorAction(cursorAction), modifiers); }

    inline int tst_horizontalOffset() const

        { return horizontalOffset(); }

    inline int tst_verticalOffset() const

        { return verticalOffset(); }

    inline bool tst_isIndexHidden(const QModelIndex &index) const

        { return isIndexHidden(index); }

    inline void tst_setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command)

        { setSelection(rect, command); }

    inline QRegion tst_visualRegionForSelection(const QItemSelection &selection) const

        { return visualRegionForSelection(selection); }

    inline QModelIndexList tst_selectedIndexes() const

        { return selectedIndexes(); }

    inline bool tst_edit(const QModelIndex &index, EditTrigger trigger, QEvent *event)

        { return edit(index, trigger, event); }

    inline QItemSelectionModel::SelectionFlags tst_selectionCommand(const QModelIndex &index,

                                                                    const QEvent *event = 0) const

        { return selectionCommand(index, event); }

#ifndef QT_NO_DRAGANDDROP

    inline void tst_startDrag(Qt::DropActions supportedActions)

        { startDrag(supportedActions); }

#endif

    inline QStyleOptionViewItem tst_viewOptions() const

        { return viewOptions(); }

    enum tst_State {

        NoState = QAbstractItemView::NoState,

        DraggingState = QAbstractItemView::DraggingState,

        DragSelectingState = QAbstractItemView::DragSelectingState,

        EditingState = QAbstractItemView::EditingState,

        ExpandingState = QAbstractItemView::ExpandingState,

        CollapsingState = QAbstractItemView::CollapsingState

    };

    inline tst_State tst_state() const

        { return (tst_State)state(); }

    inline void tst_setState(tst_State state)

        { setState(QAbstractItemView::State(state)); }

    inline void tst_startAutoScroll()

        { startAutoScroll(); }

    inline void tst_stopAutoScroll()

        { stopAutoScroll(); }

    inline void tst_doAutoScroll()

        { doAutoScroll(); }

};

class tst_QAbstractItemView : public QObject

{

    Q_OBJECT

public:

    tst_QAbstractItemView();

    virtual ~tst_QAbstractItemView();

    void basic_tests(TestView *view);

public slots:

    void initTestCase();

    void cleanupTestCase();

private slots:

    void getSetCheck();

    void emptyModels_data();

    void emptyModels();

    void setModel_data();

    void setModel();

    void noModel();

    void dragSelect();

    void rowDelegate();

    void columnDelegate();

    void selectAll();

    void ctrlA();

    void persistentEditorFocus();

    void setItemDelegate();

    void setItemDelegate_data();

	// The dragAndDrop() test doesn't work, and is thus disabled on Mac and Windows

	// for the following reasons:

	//   Mac: use of GetCurrentEventButtonState() in QDragManager::drag()

	//   Win: unknown reason

#if !defined(Q_OS_MAC) && !defined(Q_OS_WIN)

#if 0

    void dragAndDrop();

    void dragAndDropOnChild();

#endif

#endif

    void noFallbackToRoot();

    void setCurrentIndex_data();

    void setCurrentIndex();

    void task221955_selectedEditor();

    void task250754_fontChange();

    void task200665_itemEntered();

    void task257481_emptyEditor();

    void shiftArrowSelectionAfterScrolling();

    void shiftSelectionAfterRubberbandSelection();

    void ctrlRubberbandSelection();

};

class MyAbstractItemDelegate : public QAbstractItemDelegate

{

public:

    MyAbstractItemDelegate() : QAbstractItemDelegate() {};

    void paint(QPainter *, const QStyleOptionViewItem &, const QModelIndex &) const {}

    QSize sizeHint(const QStyleOptionViewItem &, const QModelIndex &) const { return QSize(); }

    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &,

                          const QModelIndex &) const { return new QWidget(parent); }

};

// Testing get/set functions

void tst_QAbstractItemView::getSetCheck()

{

    QListView view;

    TestView *obj1 = reinterpret_cast<TestView*>(&view);

    // QAbstractItemDelegate * QAbstractItemView::itemDelegate()

    // void QAbstractItemView::setItemDelegate(QAbstractItemDelegate *)

    MyAbstractItemDelegate *var1 = new MyAbstractItemDelegate;

    obj1->setItemDelegate(var1);

    QCOMPARE((QAbstractItemDelegate*)var1, obj1->itemDelegate());

    obj1->setItemDelegate((QAbstractItemDelegate *)0);

    QCOMPARE((QAbstractItemDelegate *)0, obj1->itemDelegate());

    delete var1;

    // EditTriggers QAbstractItemView::editTriggers()

    // void QAbstractItemView::setEditTriggers(EditTriggers)

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::NoEditTriggers));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::NoEditTriggers), obj1->editTriggers());

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::CurrentChanged));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::CurrentChanged), obj1->editTriggers());

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::DoubleClicked));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::DoubleClicked), obj1->editTriggers());

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::SelectedClicked));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::SelectedClicked), obj1->editTriggers());

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::EditKeyPressed));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::EditKeyPressed), obj1->editTriggers());

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::AnyKeyPressed));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::AnyKeyPressed), obj1->editTriggers());

    obj1->setEditTriggers(QAbstractItemView::EditTriggers(QAbstractItemView::AllEditTriggers));

    QCOMPARE(QAbstractItemView::EditTriggers(QAbstractItemView::AllEditTriggers), obj1->editTriggers());

    // bool QAbstractItemView::tabKeyNavigation()

    // void QAbstractItemView::setTabKeyNavigation(bool)

    obj1->setTabKeyNavigation(false);

    QCOMPARE(false, obj1->tabKeyNavigation());

    obj1->setTabKeyNavigation(true);

    QCOMPARE(true, obj1->tabKeyNavigation());

    // bool QAbstractItemView::dragEnabled()

    // void QAbstractItemView::setDragEnabled(bool)

#ifndef QT_NO_DRAGANDDROP

    obj1->setDragEnabled(false);

    QCOMPARE(false, obj1->dragEnabled());

    obj1->setDragEnabled(true);

    QCOMPARE(true, obj1->dragEnabled());

#endif

    // bool QAbstractItemView::alternatingRowColors()

    // void QAbstractItemView::setAlternatingRowColors(bool)

    obj1->setAlternatingRowColors(false);

    QCOMPARE(false, obj1->alternatingRowColors());

    obj1->setAlternatingRowColors(true);

    QCOMPARE(true, obj1->alternatingRowColors());

    // State QAbstractItemView::state()

    // void QAbstractItemView::setState(State)

    obj1->tst_setState(TestView::tst_State(TestView::NoState));

    QCOMPARE(TestView::tst_State(TestView::NoState), obj1->tst_state());

    obj1->tst_setState(TestView::tst_State(TestView::DraggingState));

    QCOMPARE(TestView::tst_State(TestView::DraggingState), obj1->tst_state());

    obj1->tst_setState(TestView::tst_State(TestView::DragSelectingState));

    QCOMPARE(TestView::tst_State(TestView::DragSelectingState), obj1->tst_state());

    obj1->tst_setState(TestView::tst_State(TestView::EditingState));

    QCOMPARE(TestView::tst_State(TestView::EditingState), obj1->tst_state());

    obj1->tst_setState(TestView::tst_State(TestView::ExpandingState));

    QCOMPARE(TestView::tst_State(TestView::ExpandingState), obj1->tst_state());

    obj1->tst_setState(TestView::tst_State(TestView::CollapsingState));

    QCOMPARE(TestView::tst_State(TestView::CollapsingState), obj1->tst_state());

    // QWidget QAbstractScrollArea::viewport()

    // void setViewport(QWidget*)

    QWidget *vp = new QWidget;

    obj1->setViewport(vp);

    QCOMPARE(vp, obj1->viewport());

    QCOMPARE(16, obj1->autoScrollMargin());

    obj1->setAutoScrollMargin(20);

    QCOMPARE(20, obj1->autoScrollMargin());

    obj1->setAutoScrollMargin(16);

    QCOMPARE(16, obj1->autoScrollMargin());

}

tst_QAbstractItemView::tst_QAbstractItemView()

{

}

tst_QAbstractItemView::~tst_QAbstractItemView()

{

}

void tst_QAbstractItemView::initTestCase()

{

#ifdef Q_OS_WINCE_WM

    qApp->setAutoMaximizeThreshold(-1);

#endif

}

void tst_QAbstractItemView::cleanupTestCase()

{

}

void tst_QAbstractItemView::emptyModels_data()

{

    QTest::addColumn<QString>("viewType");

    QTest::newRow("QListView") << "QListView";

    QTest::newRow("QTableView") << "QTableView";

    QTest::newRow("QTreeView") << "QTreeView";

    QTest::newRow("QHeaderView") << "QHeaderView";

}

void tst_QAbstractItemView::emptyModels()

{

    QFETCH(QString, viewType);

    TestView *view = 0;

    if (viewType == "QListView")

        view = reinterpret_cast<TestView*>(new QListView());

    else if (viewType == "QTableView")

        view = reinterpret_cast<TestView*>(new QTableView());

    else if (viewType == "QTreeView")

        view = reinterpret_cast<TestView*>(new QTreeView());

    else if (viewType == "QHeaderView")

        view = reinterpret_cast<TestView*>(new QHeaderView(Qt::Vertical));

    else

        QVERIFY(0);

    view->show();

    QVERIFY(!view->model());

    QVERIFY(!view->selectionModel());

    //QVERIFY(view->itemDelegate() != 0);

    basic_tests(view);

    delete view;

}

void tst_QAbstractItemView::setModel_data()

{

    QTest::addColumn<QString>("viewType");

    QTest::newRow("QListView") << "QListView";

    QTest::newRow("QTableView") << "QTableView";

    QTest::newRow("QTreeView") << "QTreeView";

    QTest::newRow("QHeaderView") << "QHeaderView";

}

void tst_QAbstractItemView::setModel()

{

    QFETCH(QString, viewType);

    TestView *view = 0;

    if (viewType == "QListView")

        view = reinterpret_cast<TestView*>(new QListView());

    else if (viewType == "QTableView")

        view = reinterpret_cast<TestView*>(new QTableView());

    else if (viewType == "QTreeView")

        view = reinterpret_cast<TestView*>(new QTreeView());

    else if (viewType == "QHeaderView")

        view = reinterpret_cast<TestView*>(new QHeaderView(Qt::Vertical));

    else

        QVERIFY(0);

    view->show();

    QStandardItemModel model(20,20);

    view->setModel(0);

    view->setModel(&model);

    basic_tests(view);

    delete view;

}

void tst_QAbstractItemView::basic_tests(TestView *view)

{

    // setSelectionModel

    // Will assert as it should

    //view->setSelectionModel(0);

    // setItemDelegate

    //view->setItemDelegate(0);

    // Will asswert as it should

    // setSelectionMode

    view->setSelectionMode(QAbstractItemView::SingleSelection);

    QCOMPARE(view->selectionMode(), QAbstractItemView::SingleSelection);

    view->setSelectionMode(QAbstractItemView::ContiguousSelection);

    QCOMPARE(view->selectionMode(), QAbstractItemView::ContiguousSelection);

    view->setSelectionMode(QAbstractItemView::ExtendedSelection);

    QCOMPARE(view->selectionMode(), QAbstractItemView::ExtendedSelection);

    view->setSelectionMode(QAbstractItemView::MultiSelection);

    QCOMPARE(view->selectionMode(), QAbstractItemView::MultiSelection);

    view->setSelectionMode(QAbstractItemView::NoSelection);

    QCOMPARE(view->selectionMode(), QAbstractItemView::NoSelection);

    // setSelectionBehavior

    view->setSelectionBehavior(QAbstractItemView::SelectItems);

    QCOMPARE(view->selectionBehavior(), QAbstractItemView::SelectItems);

    view->setSelectionBehavior(QAbstractItemView::SelectRows);

    QCOMPARE(view->selectionBehavior(), QAbstractItemView::SelectRows);

    view->setSelectionBehavior(QAbstractItemView::SelectColumns);

    QCOMPARE(view->selectionBehavior(), QAbstractItemView::SelectColumns);

    // setEditTriggers

    view->setEditTriggers(QAbstractItemView::EditKeyPressed);

    QCOMPARE(view->editTriggers(), QAbstractItemView::EditKeyPressed);

    view->setEditTriggers(QAbstractItemView::NoEditTriggers);

    QCOMPARE(view->editTriggers(), QAbstractItemView::NoEditTriggers);

    view->setEditTriggers(QAbstractItemView::CurrentChanged);

    QCOMPARE(view->editTriggers(), QAbstractItemView::CurrentChanged);

    view->setEditTriggers(QAbstractItemView::DoubleClicked);

    QCOMPARE(view->editTriggers(), QAbstractItemView::DoubleClicked);

    view->setEditTriggers(QAbstractItemView::SelectedClicked);

    QCOMPARE(view->editTriggers(), QAbstractItemView::SelectedClicked);

    view->setEditTriggers(QAbstractItemView::AnyKeyPressed);

    QCOMPARE(view->editTriggers(), QAbstractItemView::AnyKeyPressed);

    view->setEditTriggers(QAbstractItemView::AllEditTriggers);

    QCOMPARE(view->editTriggers(), QAbstractItemView::AllEditTriggers);

    // setAutoScroll

    view->setAutoScroll(false);

    QCOMPARE(view->hasAutoScroll(), false);

    view->setAutoScroll(true);

    QCOMPARE(view->hasAutoScroll(), true);

    // setTabKeyNavigation

    view->setTabKeyNavigation(false);

    QCOMPARE(view->tabKeyNavigation(), false);

    view->setTabKeyNavigation(true);

    QCOMPARE(view->tabKeyNavigation(), true);

#ifndef QT_NO_DRAGANDDROP

    // setDropIndicatorShown

    view->setDropIndicatorShown(false);

    QCOMPARE(view->showDropIndicator(), false);

    view->setDropIndicatorShown(true);

    QCOMPARE(view->showDropIndicator(), true);

    // setDragEnabled

    view->setDragEnabled(false);

    QCOMPARE(view->dragEnabled(), false);

    view->setDragEnabled(true);

    QCOMPARE(view->dragEnabled(), true);

#endif

    // setAlternatingRowColors

    view->setAlternatingRowColors(false);

    QCOMPARE(view->alternatingRowColors(), false);

    view->setAlternatingRowColors(true);

    QCOMPARE(view->alternatingRowColors(), true);

    // setIconSize

    view->setIconSize(QSize(16, 16));

    QCOMPARE(view->iconSize(), QSize(16, 16));

    view->setIconSize(QSize(32, 32));

    QCOMPARE(view->iconSize(), QSize(32, 32));

    // Should this happen?

    view->setIconSize(QSize(-1, -1));

    QCOMPARE(view->iconSize(), QSize(-1, -1));

    QCOMPARE(view->currentIndex(), QModelIndex());

    QCOMPARE(view->rootIndex(), QModelIndex());

    view->keyboardSearch("");

    view->keyboardSearch("foo");

    view->keyboardSearch("1");

    QCOMPARE(view->visualRect(QModelIndex()), QRect());

    view->scrollTo(QModelIndex());

    QCOMPARE(view->sizeHintForIndex(QModelIndex()), QSize());

    QCOMPARE(view->indexAt(QPoint(-1, -1)), QModelIndex());

    if (!view->model()){

        QCOMPARE(view->indexAt(QPoint(10, 10)), QModelIndex());

        QCOMPARE(view->sizeHintForRow(0), -1);

        QCOMPARE(view->sizeHintForColumn(0), -1);

    }else if (view->itemDelegate()){

        view->sizeHintForRow(0);

        view->sizeHintForColumn(0);

    }

    view->openPersistentEditor(QModelIndex());

    view->closePersistentEditor(QModelIndex());

    view->reset();

    view->setRootIndex(QModelIndex());

    view->doItemsLayout();

    view->selectAll();

    view->edit(QModelIndex());

    view->clearSelection();

    view->setCurrentIndex(QModelIndex());

    // protected methods

    view->tst_dataChanged(QModelIndex(), QModelIndex());

    view->tst_rowsInserted(QModelIndex(), -1, -1);