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89 lines
2.7 KiB
89 lines
2.7 KiB
/* |
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Copyright (c) 2009 Stephen Kelly <steveire@gmail.com> |
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This library is free software; you can redistribute it and/or modify it |
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under the terms of the GNU Library General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or (at your |
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option) any later version. |
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This library is distributed in the hope that it will be useful, but WITHOUT |
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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License for more details. |
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You should have received a copy of the GNU Library General Public License |
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along with this library; see the file COPYING.LIB. If not, write to the |
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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02110-1301, USA. |
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*/ |
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#include "modelselector.h" |
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ModelSelector::ModelSelector(ProxyModelTest *parent) |
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: ProxyModelTestData(parent), |
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m_model(nullptr), |
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m_selectionModel(nullptr), |
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m_rootModel(nullptr) |
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{ |
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Q_ASSERT(parent); |
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} |
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void ModelSelector::setWatchedModel(QAbstractItemModel *model) |
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{ |
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m_model = model; |
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connect(m_model, SIGNAL(destroyed(QObject*)), SLOT(modelDestroyed())); |
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} |
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void ModelSelector::setSelectionModel(QItemSelectionModel *selectionModel) |
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{ |
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if (selectionModel) { |
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Q_ASSERT(!selectionModel->hasSelection()); |
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} |
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m_selectionModel = selectionModel; |
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connect(m_selectionModel, SIGNAL(destroyed(QObject*)), SLOT(modelDestroyed())); |
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} |
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void ModelSelector::setRootModel(DynamicTreeModel *rootModel) |
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{ |
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m_rootModel = rootModel; |
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} |
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void ModelSelector::setWatch(bool watch) |
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{ |
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if (!m_model) { |
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return; |
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} |
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disconnect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), |
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this, SLOT(rowsInserted(QModelIndex,int,int))); |
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if (watch) { |
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Q_ASSERT(m_model); |
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connect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), |
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SLOT(rowsInserted(QModelIndex,int,int))); |
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if (m_model->hasChildren()) { |
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rowsInserted(QModelIndex(), 0, m_model->rowCount() - 1); |
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} |
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} |
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} |
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void ModelSelector::rowsInserted(const QModelIndex &parent, int start, int end) |
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{ |
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Q_ASSERT(end >= start); |
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Q_ASSERT(m_selectionModel); |
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int row = start; |
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static const int column = 0; |
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QModelIndex idx = m_model->index(row, column, parent); |
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while (idx.isValid() && row <= end) { |
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int item = idx.data().toInt(); |
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if (m_selectedRows.contains(item)) { |
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m_selectionModel->select(idx, QItemSelectionModel::SelectCurrent); |
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} |
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if (m_model->hasChildren(idx)) { |
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rowsInserted(idx, 0, m_model->rowCount(idx) - 1); |
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} |
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idx = idx.sibling(++row, column); |
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} |
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} |
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