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141 lines
3.5 KiB
C++
141 lines
3.5 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include "EditorDefs.h"
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#include "ColumnGroupHeaderView.h"
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// Qt
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#include <QPainter>
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// Editor
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#include "Util/ColumnGroupProxyModel.h"
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ColumnGroupHeaderView::ColumnGroupHeaderView(QWidget* parent)
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: QHeaderView(Qt::Horizontal, parent)
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, m_groupModel(nullptr)
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, m_showGroups(false)
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{
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setSectionsMovable(true);
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setStretchLastSection(true);
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setSortIndicatorShown(false);
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}
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void ColumnGroupHeaderView::setModel(QAbstractItemModel* model)
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{
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QHeaderView::setModel(model);
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m_groupModel = qobject_cast<ColumnGroupProxyModel*>(model);
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if (m_groupModel)
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{
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connect(m_groupModel, SIGNAL(SortChanged()), this, SLOT(update()));
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}
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}
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QSize ColumnGroupHeaderView::sizeHint() const
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{
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QSize s = QHeaderView::sizeHint();
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if (m_showGroups)
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{
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s.setHeight(s.height() + GroupViewHeight());
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}
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return s;
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}
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bool ColumnGroupHeaderView::IsGroupsShown() const
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{
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return m_showGroups;
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}
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bool ColumnGroupHeaderView::event(QEvent* event)
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{
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switch (event->type())
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{
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case QEvent::Paint:
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{
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if (!m_showGroups || !m_groupModel)
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{
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return true;
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}
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QPainter painter(this);
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painter.fillRect(rect(), QColor(145, 145, 145));
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int xOffset = 10;
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int yOffset = 10;
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auto groups = m_groupModel->Groups();
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m_groups.clear();
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foreach(int column, groups)
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{
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const int width = sectionSize(column);
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const QRect r(xOffset, yOffset, width == 0 ? defaultSectionSize() : width, QHeaderView::sizeHint().height());
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xOffset += r.width() + 10;
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yOffset += 10;
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if (column != groups.last())
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{
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painter.setPen(Qt::black);
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painter.drawLine(r.bottomRight() + QPoint(-3, 0), r.bottomRight() + QPoint(-3, 3));
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painter.drawLine(r.bottomRight() + QPoint(-3, 3), r.bottomRight() + QPoint(10, 3));
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}
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m_groups.push_back({ r, column });
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paintSection(&painter, r, column);
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}
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break;
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}
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case QEvent::MouseButtonRelease:
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{
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auto mouseEvent = static_cast<QMouseEvent*>(event);
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if (m_showGroups && m_groupModel)
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{
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foreach(const Group &group, m_groups)
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{
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if (group.rect.contains(mouseEvent->pos()))
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{
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auto sortOrder = m_groupModel->SortOrder(group.col);
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m_groupModel->sort(group.col, (sortOrder == Qt::AscendingOrder) ?
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Qt::DescendingOrder : Qt::AscendingOrder);
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}
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}
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}
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break;
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}
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default:
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return QHeaderView::event(event);
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break;
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}
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return true;
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}
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void ColumnGroupHeaderView::ShowGroups(bool showGroups)
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{
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m_showGroups = showGroups;
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Q_EMIT geometriesChanged();
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}
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void ColumnGroupHeaderView::updateGeometries()
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{
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setViewportMargins(0, m_showGroups ? GroupViewHeight() : 0, 0, 0);
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QHeaderView::updateGeometries();
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}
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int ColumnGroupHeaderView::GroupViewHeight() const
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{
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if (!m_groupModel)
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{
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return 0;
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}
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int groupCount = m_groupModel->Groups().size();
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return QHeaderView::sizeHint().height() + qMax(0, groupCount - 1) * 10 + 20;
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}
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#include <Util/moc_ColumnGroupHeaderView.cpp>
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