Make sure mappings are created for columns when indexes newly become parents.

Also move the modeltest related tests to the modeltest subdirectory

Merge-request: 2262
Reviewed-by: Olivier Goffart <ogoffart@trolltech.com>

5 files changed, 573 insertions, 13 deletions

diff --git a/tests/auto/modeltest/dynamictreemodel.cpp b/tests/auto/modeltest/dynamictreemodel.cpp
new file mode 100644
index 0000000000..24d3ab3ce6
--- /dev/null
+++ b/tests/auto/modeltest/dynamictreemodel.cpp
@@ -0,0 +1,328 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Stephen Kelly <steveire@gmail.com>
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "dynamictreemodel.h"
+
+#include <QtCore/QHash>
+#include <QtCore/QList>
+#include <QtCore/QTimer>
+
+
+DynamicTreeModel::DynamicTreeModel(QObject *parent)
+  : QAbstractItemModel(parent),
+    nextId(1)
+{
+}
+
+QModelIndex DynamicTreeModel::index(int row, int column, const QModelIndex &parent) const
+{
+//   if (column != 0)
+//     return QModelIndex();
+
+
+  if ( column < 0 || row < 0 )
+    return QModelIndex();
+
+  QList<QList<qint64> > childIdColumns = m_childItems.value(parent.internalId());
+
+
+  if (childIdColumns.size() == 0)
+    return QModelIndex();
+
+  if (column >= childIdColumns.size())
+    return QModelIndex();
+
+  QList<qint64> rowIds = childIdColumns.at(column);
+
+  if ( row >= rowIds.size())
+    return QModelIndex();
+
+  qint64 id = rowIds.at(row);
+
+  return createIndex(row, column, reinterpret_cast<void *>(id));
+
+}
+
+qint64 DynamicTreeModel::findParentId(qint64 searchId) const
+{
+  if (searchId <= 0)
+    return -1;
+
+  QHashIterator<qint64, QList<QList<qint64> > > i(m_childItems);
+  while (i.hasNext())
+  {
+    i.next();
+    QListIterator<QList<qint64> > j(i.value());
+    while (j.hasNext())
+    {
+      QList<qint64> l = j.next();
+      if (l.contains(searchId))
+      {
+        return i.key();
+      }
+    }
+  }
+  return -1;
+}
+
+QModelIndex DynamicTreeModel::parent(const QModelIndex &index) const
+{
+  if (!index.isValid())
+    return QModelIndex();
+
+  qint64 searchId = index.internalId();
+  qint64 parentId = findParentId(searchId);
+  // Will never happen for valid index, but what the hey...
+  if (parentId <= 0)
+    return QModelIndex();
+
+  qint64 grandParentId = findParentId(parentId);
+  if (grandParentId < 0)
+    grandParentId = 0;
+
+  int column = 0;
+  QList<qint64> childList = m_childItems.value(grandParentId).at(column);
+
+  int row = childList.indexOf(parentId);
+
+  return createIndex(row, column, reinterpret_cast<void *>(parentId));
+
+}
+
+int DynamicTreeModel::rowCount(const QModelIndex &index ) const
+{
+  QList<QList<qint64> > cols = m_childItems.value(index.internalId());
+
+  if (cols.size() == 0 )
+    return 0;
+
+  if (index.column() > 0)
+    return 0;
+
+  return cols.at(0).size();
+}
+
+int DynamicTreeModel::columnCount(const QModelIndex &index ) const
+{
+//   Q_UNUSED(index);
+  return m_childItems.value(index.internalId()).size();
+}
+
+QVariant DynamicTreeModel::data(const QModelIndex &index, int role) const
+{
+  if (!index.isValid())
+    return QVariant();
+
+  if (Qt::DisplayRole == role)
+  {
+    return m_items.value(index.internalId());
+  }
+  return QVariant();
+}
+
+void DynamicTreeModel::clear()
+{
+  m_items.clear();
+  m_childItems.clear();
+  nextId = 1;
+  reset();
+}
+
+
+ModelChangeCommand::ModelChangeCommand( DynamicTreeModel *model, QObject *parent )
+    : QObject(parent), m_model(model), m_numCols(1), m_startRow(-1), m_endRow(-1)
+{
+
+}
+
+QModelIndex ModelChangeCommand::findIndex(QList<int> rows)
+{
+  const int col = 0;
+  QModelIndex parent = QModelIndex();
+  QListIterator<int> i(rows);
+  while (i.hasNext())
+  {
+    parent = m_model->index(i.next(), col, parent);
+    Q_ASSERT(parent.isValid());
+  }
+  return parent;
+}
+
+ModelInsertCommand::ModelInsertCommand(DynamicTreeModel *model, QObject *parent )
+    : ModelChangeCommand(model, parent)
+{
+
+}
+
+void ModelInsertCommand::doCommand()
+{
+  QModelIndex parent = findIndex(m_rowNumbers);
+  m_model->beginInsertRows(parent, m_startRow, m_endRow);
+  qint64 parentId = parent.internalId();
+  for (int row = m_startRow; row <= m_endRow; row++)
+  {
+    for(int col = 0; col < m_numCols; col++ )
+    {
+      if (m_model->m_childItems[parentId].size() <= col)
+      {
+        m_model->m_childItems[parentId].append(QList<qint64>());
+      }
+//       QString name = QUuid::createUuid().toString();
+      qint64 id = m_model->newId();
+      QString name = QString::number(id);
+
+      m_model->m_items.insert(id, name);
+      m_model->m_childItems[parentId][col].insert(row, id);
+
+    }
+  }
+  m_model->endInsertRows();
+}
+
+
+ModelMoveCommand::ModelMoveCommand(DynamicTreeModel *model, QObject *parent)
+  : ModelChangeCommand(model, parent)
+{
+
+}
+bool ModelMoveCommand::emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow)
+{
+  return m_model->beginMoveRows(srcParent, srcStart, srcEnd, destParent, destRow);
+}
+
+void ModelMoveCommand::doCommand()
+{
+    QModelIndex srcParent = findIndex(m_rowNumbers);
+    QModelIndex destParent = findIndex(m_destRowNumbers);
+
+    if (!emitPreSignal(srcParent, m_startRow, m_endRow, destParent, m_destRow))
+    {
+        return;
+    }
+
+    for (int column = 0; column < m_numCols; ++column)
+    {
+        QList<qint64> l = m_model->m_childItems.value(srcParent.internalId())[column].mid(m_startRow, m_endRow - m_startRow + 1 );
+
+        for (int i = m_startRow; i <= m_endRow ; i++)
+        {
+            m_model->m_childItems[srcParent.internalId()][column].removeAt(m_startRow);
+        }
+        int d;
+        if (m_destRow < m_startRow)
+            d = m_destRow;
+        else
+        {
+            if (srcParent == destParent)
+                d = m_destRow - (m_endRow - m_startRow + 1);
+            else
+                d = m_destRow - (m_endRow - m_startRow) + 1;
+        }
+
+        foreach(const qint64 id, l)
+        {
+            m_model->m_childItems[destParent.internalId()][column].insert(d++, id);
+        }
+    }
+
+    emitPostSignal();
+}
+
+void ModelMoveCommand::emitPostSignal()
+{
+    m_model->endMoveRows();
+}
+
+ModelResetCommand::ModelResetCommand(DynamicTreeModel* model, QObject* parent)
+  : ModelMoveCommand(model, parent)
+{
+
+}
+
+ModelResetCommand::~ModelResetCommand()
+{
+
+}
+
+bool ModelResetCommand::emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow)
+{
+    Q_UNUSED(srcParent);
+    Q_UNUSED(srcStart);
+    Q_UNUSED(srcEnd);
+    Q_UNUSED(destParent);
+    Q_UNUSED(destRow);
+
+    return true;
+}
+
+void ModelResetCommand::emitPostSignal()
+{
+    m_model->reset();
+}
+
+ModelResetCommandFixed::ModelResetCommandFixed(DynamicTreeModel* model, QObject* parent)
+  : ModelMoveCommand(model, parent)
+{
+
+}
+
+ModelResetCommandFixed::~ModelResetCommandFixed()
+{
+
+}
+
+bool ModelResetCommandFixed::emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow)
+{
+    Q_UNUSED(srcParent);
+    Q_UNUSED(srcStart);
+    Q_UNUSED(srcEnd);
+    Q_UNUSED(destParent);
+    Q_UNUSED(destRow);
+
+    m_model->beginResetModel();
+    return true;
+}
+
+void ModelResetCommandFixed::emitPostSignal()
+{
+    m_model->endResetModel();
+}
+
diff --git a/tests/auto/modeltest/dynamictreemodel.h b/tests/auto/modeltest/dynamictreemodel.h
new file mode 100644
index 0000000000..3f0d90d4ea
--- /dev/null
+++ b/tests/auto/modeltest/dynamictreemodel.h
@@ -0,0 +1,199 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Stephen Kelly <steveire@gmail.com>
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DYNAMICTREEMODEL_H
+#define DYNAMICTREEMODEL_H
+
+#include <QtCore/QAbstractItemModel>
+
+#include <QtCore/QHash>
+#include <QtCore/QList>
+
+
+template<typename T> class QList;
+
+class DynamicTreeModel : public QAbstractItemModel
+{
+  Q_OBJECT
+
+public:
+  DynamicTreeModel(QObject *parent = 0);
+
+  QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+  QModelIndex parent(const QModelIndex &index) const;
+  int rowCount(const QModelIndex &index = QModelIndex()) const;
+  int columnCount(const QModelIndex &index = QModelIndex()) const;
+
+  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+
+  void clear();
+
+protected slots:
+
+  /**
+  Finds the parent id of the string with id @p searchId.
+
+  Returns -1 if not found.
+  */
+  qint64 findParentId(qint64 searchId) const;
+
+private:
+  QHash<qint64, QString> m_items;
+  QHash<qint64, QList<QList<qint64> > > m_childItems;
+  qint64 nextId;
+  qint64 newId() { return nextId++; };
+
+  QModelIndex m_nextParentIndex;
+  int m_nextRow;
+
+  int m_depth;
+  int maxDepth;
+
+  friend class ModelInsertCommand;
+  friend class ModelMoveCommand;
+  friend class ModelResetCommand;
+  friend class ModelResetCommandFixed;
+
+};
+
+
+class ModelChangeCommand : public QObject
+{
+  Q_OBJECT
+public:
+
+  ModelChangeCommand( DynamicTreeModel *model, QObject *parent = 0 );
+
+  virtual ~ModelChangeCommand() {}
+
+  void setAncestorRowNumbers(QList<int> rowNumbers) { m_rowNumbers = rowNumbers; }
+
+  QModelIndex findIndex(QList<int> rows);
+
+  void setStartRow(int row) { m_startRow = row; }
+
+  void setEndRow(int row) { m_endRow = row; }
+
+  void setNumCols(int cols) { m_numCols = cols; }
+
+  virtual void doCommand() = 0;
+
+protected:
+  DynamicTreeModel* m_model;
+  QList<int> m_rowNumbers;
+  int m_numCols;
+  int m_startRow;
+  int m_endRow;
+
+};
+
+typedef QList<ModelChangeCommand*> ModelChangeCommandList;
+
+class ModelInsertCommand : public ModelChangeCommand
+{
+  Q_OBJECT
+
+public:
+
+  ModelInsertCommand(DynamicTreeModel *model, QObject *parent = 0 );
+  virtual ~ModelInsertCommand() {}
+
+  virtual void doCommand();
+};
+
+
+class ModelMoveCommand : public ModelChangeCommand
+{
+  Q_OBJECT
+public:
+  ModelMoveCommand(DynamicTreeModel *model, QObject *parent);
+
+  virtual ~ModelMoveCommand() {}
+
+  virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow);
+
+  virtual void doCommand();
+
+  virtual void emitPostSignal();
+
+  void setDestAncestors( QList<int> rows ) { m_destRowNumbers = rows; }
+
+  void setDestRow(int row) { m_destRow = row; }
+
+protected:
+  QList<int> m_destRowNumbers;
+  int m_destRow;
+};
+
+/**
+  A command which does a move and emits a reset signal.
+*/
+class ModelResetCommand : public ModelMoveCommand
+{
+  Q_OBJECT
+public:
+  ModelResetCommand(DynamicTreeModel* model, QObject* parent = 0);
+
+  virtual ~ModelResetCommand();
+
+  virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow);
+  virtual void emitPostSignal();
+
+};
+
+/**
+  A command which does a move and emits a beginResetModel and endResetModel signals.
+*/
+class ModelResetCommandFixed : public ModelMoveCommand
+{
+  Q_OBJECT
+public:
+  ModelResetCommandFixed(DynamicTreeModel* model, QObject* parent = 0);
+
+  virtual ~ModelResetCommandFixed();
+
+  virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow);
+  virtual void emitPostSignal();
+
+};
+
+
+#endif
diff --git a/tests/auto/modeltest/modeltest.cpp b/tests/auto/modeltest/modeltest.cpp
index 39d00f632c..0ca9e141ee 100644
--- a/tests/auto/modeltest/modeltest.cpp
+++ b/tests/auto/modeltest/modeltest.cpp
@@ -475,8 +475,8 @@ void ModelTest::data()
 void ModelTest::rowsAboutToBeInserted ( const QModelIndex &parent, int start, int end )
 {
 //     Q_UNUSED(end);
-    qDebug() << "rowsAboutToBeInserted" << "start=" << start << "end=" << end << "parent=" << model->data ( parent ).toString()
-    << "current count of parent=" << model->rowCount ( parent ); // << "display of last=" << model->data( model->index(start-1, 0, parent) );
+//    qDebug() << "rowsAboutToBeInserted" << "start=" << start << "end=" << end << "parent=" << model->data ( parent ).toString()
+//    << "current count of parent=" << model->rowCount ( parent ); // << "display of last=" << model->data( model->index(start-1, 0, parent) );
 //     qDebug() << model->index(start-1, 0, parent) << model->data( model->index(start-1, 0, parent) );
     Changing c;
     c.parent = parent;
@@ -495,14 +495,14 @@ void ModelTest::rowsInserted ( const QModelIndex & parent, int start, int end )
 {
     Changing c = insert.pop();
     Q_ASSERT ( c.parent == parent );
-    qDebug() << "rowsInserted"  << "start=" << start << "end=" << end << "oldsize=" << c.oldSize
-    << "parent=" << model->data ( parent ).toString() << "current rowcount of parent=" << model->rowCount ( parent );
-
-    for (int ii=start; ii <= end; ii++)
-    {
-      qDebug() << "itemWasInserted:" << ii << model->data ( model->index ( ii, 0, parent ));
-    }
-    qDebug();
+//    qDebug() << "rowsInserted"  << "start=" << start << "end=" << end << "oldsize=" << c.oldSize
+//    << "parent=" << model->data ( parent ).toString() << "current rowcount of parent=" << model->rowCount ( parent );
+
+//    for (int ii=start; ii <= end; ii++)
+//    {
+//      qDebug() << "itemWasInserted:" << ii << model->data ( model->index ( ii, 0, parent ));
+//    }
+//    qDebug();
 
     Q_ASSERT ( c.oldSize + ( end - start + 1 ) == model->rowCount ( parent ) );
     Q_ASSERT ( c.last == model->data ( model->index ( start - 1, 0, c.parent ) ) );
diff --git a/tests/auto/modeltest/modeltest.pro b/tests/auto/modeltest/modeltest.pro
index 6655d85dc2..f157da0cee 100644
--- a/tests/auto/modeltest/modeltest.pro
+++ b/tests/auto/modeltest/modeltest.pro
@@ -1,6 +1,6 @@
 load(qttest_p4)
-SOURCES         += tst_modeltest.cpp modeltest.cpp 
-HEADERS         += modeltest.h
+SOURCES         += tst_modeltest.cpp modeltest.cpp dynamictreemodel.cpp
+HEADERS         += modeltest.h dynamictreemodel.h
 
 
 
diff --git a/tests/auto/modeltest/tst_modeltest.cpp b/tests/auto/modeltest/tst_modeltest.cpp
index a719168880..78aa79f729 100644
--- a/tests/auto/modeltest/tst_modeltest.cpp
+++ b/tests/auto/modeltest/tst_modeltest.cpp
@@ -44,6 +44,7 @@
 #include <QtGui/QtGui>
 
 #include "modeltest.h"
+#include "dynamictreemodel.h"
 
 
 class tst_ModelTest : public QObject
@@ -64,6 +65,7 @@ private slots:
     void stringListModel();
     void treeWidgetModel();
     void standardItemModel();
+    void testInsertThroughProxy();
 };
 
 
@@ -143,7 +145,38 @@ void tst_ModelTest::standardItemModel()
     
     model.insertRows(0,5, model.index(1,1));
     model.insertColumns(0,5, model.index(1,3));
-    
+}
+
+void tst_ModelTest::testInsertThroughProxy()
+{
+    DynamicTreeModel *model = new DynamicTreeModel(this);
+
+    QSortFilterProxyModel *proxy = new QSortFilterProxyModel(this);
+    proxy->setSourceModel(model);
+
+    new ModelTest(proxy, this);
+
+    ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
+    insertCommand->setNumCols(4);
+    insertCommand->setStartRow(0);
+    insertCommand->setEndRow(9);
+    // Parent is QModelIndex()
+    insertCommand->doCommand();
+
+    insertCommand = new ModelInsertCommand(model, this);
+    insertCommand->setNumCols(4);
+    insertCommand->setAncestorRowNumbers(QList<int>() << 5);
+    insertCommand->setStartRow(0);
+    insertCommand->setEndRow(9);
+    insertCommand->doCommand();
+
+    ModelMoveCommand *moveCommand = new ModelMoveCommand(model, this);
+    moveCommand->setNumCols(4);
+    moveCommand->setStartRow(0);
+    moveCommand->setEndRow(0);
+    moveCommand->setDestRow(9);
+    moveCommand->setDestAncestors(QList<int>() << 5);
+    moveCommand->doCommand();
 }
 
 QTEST_MAIN(tst_ModelTest)