diff --git a/Plugins/org.mitk.gui.qt.common/src/QmitkSingleNodeSelectionWidget.cpp b/Plugins/org.mitk.gui.qt.common/src/QmitkSingleNodeSelectionWidget.cpp index c6e1b1d2e3..eb02d1f901 100644 --- a/Plugins/org.mitk.gui.qt.common/src/QmitkSingleNodeSelectionWidget.cpp +++ b/Plugins/org.mitk.gui.qt.common/src/QmitkSingleNodeSelectionWidget.cpp @@ -1,248 +1,257 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ #include "QmitkSingleNodeSelectionWidget.h" #include <berryQtStyleManager.h> #include <QMouseEvent> #include "QmitkNodeSelectionDialog.h" #include "QmitkNodeDetailsDialog.h" QmitkSingleNodeSelectionWidget::QmitkSingleNodeSelectionWidget(QWidget* parent) : QmitkAbstractNodeSelectionWidget(parent) { m_Controls.setupUi(this); m_Controls.btnSelect->installEventFilter(this); m_Controls.btnSelect->setVisible(true); m_Controls.btnClear->setVisible(false); m_Controls.btnClear->setIcon(berry::QtStyleManager::ThemeIcon(QStringLiteral(":/org.mitk.gui.qt.common/times.svg"))); this->UpdateInfo(); connect(m_Controls.btnClear, SIGNAL(clicked(bool)), this, SLOT(OnClearSelection())); } QmitkSingleNodeSelectionWidget::~QmitkSingleNodeSelectionWidget() { } mitk::DataNode::Pointer QmitkSingleNodeSelectionWidget::ExtractCurrentValidSelection(const NodeList& nodes) const { mitk::DataNode::Pointer result = nullptr; for (auto node : nodes) { bool valid = true; if (m_NodePredicate.IsNotNull()) { valid = m_NodePredicate->CheckNode(node); } if (valid) { result = node; break; } } return result; } QmitkSingleNodeSelectionWidget::NodeList QmitkSingleNodeSelectionWidget::CompileEmitSelection() const { NodeList result; if (!m_SelectOnlyVisibleNodes) { result = m_ExternalSelection; } if (m_SelectedNode.IsNotNull() && !result.contains(m_SelectedNode)) { result.append(m_SelectedNode); } return result; } void QmitkSingleNodeSelectionWidget::OnNodePredicateChanged(const mitk::NodePredicateBase* /*newPredicate*/) { - m_SelectedNode = this->ExtractCurrentValidSelection(m_ExternalSelection); + if (m_NodePredicate.IsNotNull() && m_SelectedNode.IsNotNull() && !m_NodePredicate->CheckNode(m_SelectedNode)) + { + m_SelectedNode = nullptr; + } + + + if (m_SelectedNode.IsNull()) + { + m_SelectedNode = this->ExtractCurrentValidSelection(m_ExternalSelection); + } }; void QmitkSingleNodeSelectionWidget::OnDataStorageChanged() { }; void QmitkSingleNodeSelectionWidget::OnClearSelection() { if (m_IsOptional) { NodeList emptyList; this->SetCurrentSelection(emptyList); } this->UpdateInfo(); } mitk::DataNode::Pointer QmitkSingleNodeSelectionWidget::GetSelectedNode() const { return m_SelectedNode; }; bool QmitkSingleNodeSelectionWidget::eventFilter(QObject *obj, QEvent *ev) { if (obj == m_Controls.btnSelect) { if (ev->type() == QEvent::MouseButtonRelease) { auto mouseEv = dynamic_cast<QMouseEvent*>(ev); if (!mouseEv) { return false; } if (mouseEv->button() == Qt::LeftButton) { if (this->isEnabled()) { this->EditSelection(); return true; } } else { auto selection = this->CompileEmitSelection(); if (!selection.empty()) { QmitkNodeDetailsDialog infoDialog(selection, this); infoDialog.exec(); return true; } } } } return false; } void QmitkSingleNodeSelectionWidget::EditSelection() { QmitkNodeSelectionDialog* dialog = new QmitkNodeSelectionDialog(this, m_PopUpTitel, m_PopUpHint); dialog->SetDataStorage(m_DataStorage.Lock()); dialog->SetNodePredicate(m_NodePredicate); NodeList list; if (m_SelectedNode.IsNotNull()) { list.append(m_SelectedNode); } dialog->SetCurrentSelection(list); dialog->SetSelectOnlyVisibleNodes(m_SelectOnlyVisibleNodes); dialog->SetSelectionMode(QAbstractItemView::SingleSelection); m_Controls.btnSelect->setChecked(true); if (dialog->exec()) { auto lastEmission = this->CompileEmitSelection(); auto nodes = dialog->GetSelectedNodes(); if (nodes.empty()) { m_SelectedNode = nullptr; } else { m_SelectedNode = nodes.first(); } auto newEmission = this->CompileEmitSelection(); if (!EqualNodeSelections(lastEmission, newEmission)) { emit CurrentSelectionChanged(newEmission); this->UpdateInfo(); } } m_Controls.btnSelect->setChecked(false); delete dialog; }; void QmitkSingleNodeSelectionWidget::UpdateInfo() { if (m_SelectedNode.IsNull()) { if (m_IsOptional) { m_Controls.btnSelect->SetNodeInfo(m_EmptyInfo); } else { m_Controls.btnSelect->SetNodeInfo(m_InvalidInfo); } m_Controls.btnClear->setVisible(false); } else { m_Controls.btnClear->setVisible(m_IsOptional); } m_Controls.btnSelect->SetSelectedNode(m_SelectedNode); }; void QmitkSingleNodeSelectionWidget::SetSelectOnlyVisibleNodes(bool selectOnlyVisibleNodes) { auto lastEmission = this->CompileEmitSelection(); m_SelectOnlyVisibleNodes = selectOnlyVisibleNodes; auto newEmission = this->CompileEmitSelection(); if (!EqualNodeSelections(lastEmission, newEmission)) { emit CurrentSelectionChanged(newEmission); this->UpdateInfo(); } }; void QmitkSingleNodeSelectionWidget::SetCurrentSelection(NodeList selectedNodes) { auto lastEmission = this->CompileEmitSelection(); m_ExternalSelection = selectedNodes; m_SelectedNode = this->ExtractCurrentValidSelection(selectedNodes); auto newEmission = this->CompileEmitSelection(); if (!EqualNodeSelections(lastEmission, newEmission)) { this->UpdateInfo(); emit CurrentSelectionChanged(newEmission); } }; void QmitkSingleNodeSelectionWidget::NodeRemovedFromStorage(const mitk::DataNode* node) { if (m_SelectedNode == node && node != nullptr) { m_SelectedNode = nullptr; auto newEmission = this->CompileEmitSelection(); emit CurrentSelectionChanged(newEmission); this->UpdateInfo(); } }