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/**
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**
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** @RDE_HEADER@
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** model_tree_widget.cpp
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** $Id$
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** $HeadURL$
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** $Author$
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Hardware-Environment: Intel-PC
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** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
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**
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** Language ........: C++ 11
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Author ...........: Jörg Turla, SPD G, Tel. 3132
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Notes .........:
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**
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** 14.06.2016, JT : First edition for use with Qt5
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**
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** -----------------------------------------------------------------------------------------------
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*/
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#include "model_tree_widget.h"
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#include "plan_editor.h"
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#include "plan_editor_internal.h"
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#include "plan_editor_utils.h"
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#include "icon_names.h"
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#include <QtCore/QEvent>
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#include <QtGui/QKeyEvent>
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#include <QtWidgets/QAbstractItemView>
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#include <QtWidgets/QAction>
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#include <QtWidgets/QApplication>
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#include <QtWidgets/QGroupBox>
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#include <QtWidgets/QHBoxLayout>
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#include <QtWidgets/QLabel>
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#include <QtWidgets/QLineEdit>
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#include <QtWidgets/QPushButton>
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#include <QtWidgets/QStyledItemDelegate>
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#include <QtWidgets/QTableView>
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#include <QtWidgets/QTextEdit>
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#include <QtWidgets/QToolBar>
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#include <QtWidgets/QTreeWidgetItem>
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#include <QtWidgets/QTreeWidget>
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#include <QtWidgets/QVBoxLayout>
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namespace PlanEditor
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{
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class EditNameDelegate : public QStyledItemDelegate
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{
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Q_OBJECT
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PlanEditor &m_planEditor;
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QTreeWidget *m_treeWidget;
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public:
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explicit EditNameDelegate(PlanEditor &planEditor, QTreeWidget *treeWidget)
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: QStyledItemDelegate(treeWidget)
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, m_planEditor(planEditor)
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, m_treeWidget(treeWidget) {;}
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QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt, const QModelIndex &index) const override
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{
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if (index.column() == 1)
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{
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QWidget *editor = QStyledItemDelegate::createEditor(parent, opt, index);
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editor->installEventFilter(const_cast<EditNameDelegate *>(this));
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return editor;
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}
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return nullptr;
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} // QWidget * createEditor( QWidget * parent, const QStyleOptionViewItem & opt, const QModelIndex & index ) override
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void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override
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{
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if (index.column() == 1)
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{
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QStyledItemDelegate::setModelData(editor, model, index);
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ModelTreeWidgetItem *item = static_cast<ModelTreeWidgetItem *>(m_treeWidget->currentItem());
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if (item)
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item->userDefinedNameChanged(*(m_planEditor.m_internal->m_geoModel));
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}
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} // void setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const override
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bool eventFilter(QObject *watchedEditor, QEvent *ev) override
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{
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if (ev == nullptr) return false;
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if (watchedEditor == nullptr) return false;
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QWidget *widget = dynamic_cast<QWidget *>(watchedEditor);
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if (widget == nullptr) return false;
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if (QEvent::KeyRelease == ev->type())
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{
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QKeyEvent *kev = static_cast<QKeyEvent *>(ev);
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if (Qt::Key_Return == kev->key())
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{
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emit commitData(widget);
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emit closeEditor(widget, QAbstractItemDelegate::EditNextItem);
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}
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if (Qt::Key_Escape == kev->key())
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emit closeEditor(widget, QAbstractItemDelegate::EditNextItem);
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}
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if (QEvent::FocusOut == ev->type())
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{
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if (widget->isActiveWindow() || (QApplication::focusWidget() != widget))
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{
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QWidget *w = QApplication::focusWidget();
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while (w)
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{
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// don't worry about focus changes internally in the editor
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if (w == widget) return false;
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w = w->parentWidget();
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}
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// Opening a modal dialog will start a new eventloop
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// that will process the deleteLater event.
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if (QApplication::activeModalWidget() && !QApplication::activeModalWidget()->isAncestorOf(widget))
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return false;
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emit commitData(widget);
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emit closeEditor(widget);
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}
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}
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return false;
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} // bool eventFilter(QObject * watchedEditor, QEvent * e) override
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}; // EditNameDelegate
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bool ModelTreeWidget::isEmpty() const
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{
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return ((nullptr == m_treeWidget->model()) || (m_treeWidget->model()->rowCount() < 1));
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} // bool ModelTreeWidget::isEmpty() const
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void ModelTreeWidget::showNeedSaveFlag(bool on)
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{
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m_needSaveFlag = on;
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buildTitle();
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// QString title = tr("Plan Model Tree");
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// m_treeGroup->setTitle(on ? title + QStringLiteral(" [*]") : title);
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} // void ModelTreeWidget::showNeedSaveFlag( bool on )
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void ModelTreeWidget::setNameOfPlan( const QString & nameOfPlan )
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{
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m_nameOfPlan = nameOfPlan;
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buildTitle();
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} // void ModelTreeWidget::setNameOfPlan( const QString & nameOfPlan )
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void ModelTreeWidget::buildTitle()
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{
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QString title = tr("Plan Model Tree");
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if (!m_nameOfPlan.isEmpty()) title += QStringLiteral(" [%1]").arg(m_nameOfPlan);
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m_treeGroup->setTitle(m_needSaveFlag ? title + QStringLiteral(" [*]") : title);
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} // void ModelTreeWidget::buildTitle()
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ModelTreeWidget::ModelTreeWidget(PlanEditor *planEditor, QWidget *parent)
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: Dialog(parent, LtsWidgets::ButtonCombination::SeamlessDialog)
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, m_treeWidget(nullptr)
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, m_itemTreeRoot(nullptr)
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{
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setUnchangeable();
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m_planEditor = planEditor;
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//setTitle(tr("Plan Model Tree"));
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QVBoxLayout *treeBaseLayout = new QVBoxLayout(this);
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QGroupBox *treeGroup = m_treeGroup = new QGroupBox(this);
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QVBoxLayout *treeLayer = new QVBoxLayout(treeGroup);
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showNeedSaveFlag(false);
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m_treeWidget = new QTreeWidget(treeGroup);
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m_treeWidget -> setColumnCount(2);
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m_treeWidget -> setHeaderLabels(QStringList() << tr("Graphic Node") << tr("User Defined Name"));
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m_treeWidget -> setSelectionMode(QAbstractItemView::ExtendedSelection);
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m_treeWidget -> setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked | QAbstractItemView::AnyKeyPressed);
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m_treeWidget -> setItemDelegate(new EditNameDelegate(*planEditor, m_treeWidget));
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m_treeWidget -> setUniformRowHeights(false);
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m_itemTreeRoot = m_treeWidget->invisibleRootItem();
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connect(m_treeWidget, &QTreeWidget::itemSelectionChanged, this, [this, planEditor]() // lambda slot function to select items
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{
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m_treeWidget->blockSignals(true);
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{
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ModelTreeWidgetItem *currentItem = static_cast<ModelTreeWidgetItem *>(m_treeWidget->currentItem());
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if (currentItem)
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{
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bool isSelected = currentItem->isSelected();
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QTreeWidgetItem *parent = currentItem->parent();
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// first go up to top level group
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while (parent && (rootItem() != parent))
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{
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currentItem = static_cast<ModelTreeWidgetItem *>(parent);
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parent = currentItem->parent();
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}
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// now select or deselect all children of top level group
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currentItem->setGroupSelected(isSelected);
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}
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for (int i = 0; i < m_itemTreeRoot->childCount(); ++i)
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{
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ModelTreeWidgetItem *treeItem = static_cast<ModelTreeWidgetItem *>(m_itemTreeRoot->child(i));
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if (treeItem)
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treeItem->selectionChanged(*planEditor, *(planEditor->m_internal->m_geoModel));
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}
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}
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m_treeWidget->blockSignals(false);
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});
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connect(m_treeWidget, &QTreeWidget::itemClicked, this, [this](QTreeWidgetItem * item, int column)
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{
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if (!item) return;
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if (column == ModelTreeWidgetItem::nameColumn)
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{
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m_treeWidget -> editItem(item, ModelTreeWidgetItem::nameColumn);
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return;
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}
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});
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connect(m_treeWidget, &QTreeWidget::itemChanged, [](QTreeWidgetItem * item, int column)
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{
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if (!item) return;
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ModelTreeWidgetItem *treeItem = dynamic_cast<ModelTreeWidgetItem *>(item);
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if ((ModelTreeWidgetItem::itemColumn == column) && (treeItem))
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treeItem->setGroupSelected(treeItem->checkState(ModelTreeWidgetItem::itemColumn) == Qt::Checked);
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});
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QToolBar *toolBar = new QToolBar(treeGroup);
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QAction *toolAction;
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(GROUP_SELECTED_ICON_NAME)), QString(), planEditor, &PlanEditor::onGroup);
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toolAction -> setToolTip(tr("Group selected feature"));
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(UNGROUP_SELECTED_ICON_NAME)), QString(), planEditor, &PlanEditor::onUngroup);
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toolAction -> setToolTip(tr("Ungroup selected feature"));
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toolBar->addSeparator();
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(DRAW_SYMBOL_ICON_NAME)), QString(), planEditor, &PlanEditor::onChooseSymbol );
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toolAction->setToolTip(tr("Choose and draw symbol from symbol dictionary"));
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toolBar->addSeparator();
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(EDIT_SELECTED_ICON_NAME)), QString(), planEditor, &PlanEditor::onEditGraphicGeometry);
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toolAction -> setToolTip(tr("Edit geometry of selected feature"));
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(ATTR_EDIT_SELECTED_ICON_NAME)), QString(), planEditor, &PlanEditor::onEditAttributes);
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toolAction->setToolTip(tr("Edit Attributes of selected feature"));
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toolBar->addSeparator();
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(CENTER_SELECTED_ICON_NAME)), QString(), planEditor, &PlanEditor::onCenterViewSelected);
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toolAction -> setToolTip(tr("Center Map to selected features"));
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toolBar->addSeparator();
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(DELETE_SELECTED_ICON_NAME)), QString(), planEditor, &PlanEditor::onDelete);
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toolAction -> setToolTip(tr("Delete selected features"));
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toolBar->addSeparator();
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toolAction = toolBar->addAction(Utils::getIcon(QLatin1String(HELP_SYMBOL_ICON_NAME)), QString(), planEditor, &PlanEditor::onShowHelp);
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toolAction -> setToolTip(tr("Help"));
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treeLayer -> addWidget(toolBar, 0);
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treeLayer -> addWidget(m_treeWidget, 2);
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treeBaseLayout -> addWidget(treeGroup, 2);
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setObjectName(QLatin1String("PlanItemTree"));
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} // ModelTreeWidget::ModelTreeWidget(PlanEditor *planEditor, QWidget *parent)
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void ModelTreeWidget::haveChanges(bool on)
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{
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if (hasUnsavedChanges() != on)
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{
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on ? slotChangesMade() : __unchange__();
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showNeedSaveFlag(on);
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}
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}
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// void ModelTreeWidget::haveChanges(bool on)
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void ModelTreeWidget::keyPressEvent(QKeyEvent *event)
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{
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if ((event->key() == Qt::Key_Delete) && (m_planEditor))
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{
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m_planEditor->onDelete();
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// Qt-Doc 5.12:
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// Note that QKeyEvent starts with isAccepted() == true, so you do not need
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// to call QKeyEvent::accept() - just do not call the base class
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// implementation if you act upon the key.
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return;
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}
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BaseClass::keyPressEvent(event);
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}
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} // namespace PlanEditor
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#include "model_tree_widget.moc"
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