From 315c09c3873f7c5d8b785443372bf975bae47ee7 Mon Sep 17 00:00:00 2001 From: Stephen Kelly Date: Fri, 18 Dec 2009 14:17:44 +0100 Subject: 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 --- tests/auto/modeltest/dynamictreemodel.cpp | 328 ++++++++++++++++++++++++++++++ 1 file changed, 328 insertions(+) create mode 100644 tests/auto/modeltest/dynamictreemodel.cpp (limited to 'tests/auto/modeltest/dynamictreemodel.cpp') 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 +** 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 +#include +#include + + +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 > childIdColumns = m_childItems.value(parent.internalId()); + + + if (childIdColumns.size() == 0) + return QModelIndex(); + + if (column >= childIdColumns.size()) + return QModelIndex(); + + QList rowIds = childIdColumns.at(column); + + if ( row >= rowIds.size()) + return QModelIndex(); + + qint64 id = rowIds.at(row); + + return createIndex(row, column, reinterpret_cast(id)); + +} + +qint64 DynamicTreeModel::findParentId(qint64 searchId) const +{ + if (searchId <= 0) + return -1; + + QHashIterator > > i(m_childItems); + while (i.hasNext()) + { + i.next(); + QListIterator > j(i.value()); + while (j.hasNext()) + { + QList 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 childList = m_childItems.value(grandParentId).at(column); + + int row = childList.indexOf(parentId); + + return createIndex(row, column, reinterpret_cast(parentId)); + +} + +int DynamicTreeModel::rowCount(const QModelIndex &index ) const +{ + QList > 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 rows) +{ + const int col = 0; + QModelIndex parent = QModelIndex(); + QListIterator 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()); + } +// 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 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(); +} + -- cgit v1.2.3