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https://github.com/subsurface/subsurface.git
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3024b2b83c
When the application launches, the oldModel is null. Signed-off-by: Thiago Macieira <thiago@macieira.org> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
132 lines
3.9 KiB
C++
132 lines
3.9 KiB
C++
/*
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* divelistview.cpp
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*
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* classes for the divelist of Subsurface
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*
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*/
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#include "divelistview.h"
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#include "models.h"
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#include "modeldelegates.h"
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#include <QApplication>
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#include <QHeaderView>
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#include <QDebug>
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#include <QKeyEvent>
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#include <QSortFilterProxyModel>
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DiveListView::DiveListView(QWidget *parent) : QTreeView(parent), mouseClickSelection(false)
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{
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setUniformRowHeights(true);
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setItemDelegateForColumn(TreeItemDT::RATING, new StarWidgetsDelegate());
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QSortFilterProxyModel *model = new QSortFilterProxyModel(this);
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setModel(model);
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}
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void DiveListView::reload()
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{
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QSortFilterProxyModel *m = qobject_cast<QSortFilterProxyModel*>(model());
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QAbstractItemModel *oldModel = m->sourceModel();
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if (oldModel)
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oldModel->deleteLater();
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m->setSourceModel(new DiveTripModel(this));
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sortByColumn(0, Qt::DescendingOrder);
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QModelIndex firstDiveOrTrip = m->index(0,0);
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if (firstDiveOrTrip.isValid()){
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if (m->index(0,0, firstDiveOrTrip).isValid())
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setCurrentIndex(m->index(0,0, firstDiveOrTrip));
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else
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setCurrentIndex(firstDiveOrTrip);
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}
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}
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void DiveListView::setModel(QAbstractItemModel* model)
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{
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QTreeView::setModel(model);
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}
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void DiveListView::setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags command)
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{
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if (mouseClickSelection)
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QTreeView::setSelection(rect, command);
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}
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void DiveListView::mousePressEvent(QMouseEvent* event)
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{
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mouseClickSelection = true;
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QTreeView::mousePressEvent(event);
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}
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void DiveListView::mouseReleaseEvent(QMouseEvent* event)
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{
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mouseClickSelection = false;
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QTreeView::mouseReleaseEvent(event);
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}
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void DiveListView::keyPressEvent(QKeyEvent* event)
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{
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if(event->modifiers())
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mouseClickSelection = true;
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QTreeView::keyPressEvent(event);
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}
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void DiveListView::keyReleaseEvent(QKeyEvent* event)
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{
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mouseClickSelection = false;
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QWidget::keyReleaseEvent(event);
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}
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void DiveListView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
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{
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if (!current.isValid())
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return;
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const QAbstractItemModel *model = current.model();
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int selectedDive = 0;
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struct dive *dive = (struct dive*) model->data(current, TreeItemDT::DIVE_ROLE).value<void*>();
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if (!dive) { // it's a trip! select first child.
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dive = (struct dive*) model->data(current.child(0,0), TreeItemDT::DIVE_ROLE).value<void*>();
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selectedDive = get_divenr(dive);
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}else{
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selectedDive = get_divenr(dive);
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}
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if (selectedDive == selected_dive)
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return;
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Q_EMIT currentDiveChanged(selectedDive);
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}
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void DiveListView::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
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{
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QList<QModelIndex> parents;
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Q_FOREACH(const QModelIndex& index, deselected.indexes()) {
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const QAbstractItemModel *model = index.model();
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struct dive *dive = (struct dive*) model->data(index, TreeItemDT::DIVE_ROLE).value<void*>();
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if (!dive) { // it's a trip!
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if (model->rowCount(index)) {
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expand(index); // leave this - even if it looks like it shouldn't be here. looks like I've found a Qt bug.
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// the subselection is removed, but the painting is not. this cleans the area.
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}
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} else if (!parents.contains(index.parent())) {
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parents.push_back(index.parent());
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}
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}
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Q_FOREACH(const QModelIndex& index, selected.indexes()) {
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const QAbstractItemModel *model = index.model();
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struct dive *dive = (struct dive*) model->data(index, TreeItemDT::DIVE_ROLE).value<void*>();
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if (!dive) { // it's a trip!
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if (model->rowCount(index)) {
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QItemSelection selection;
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selection.select(index.child(0,0), index.child(model->rowCount(index) -1 , 0));
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selectionModel()->select(selection, QItemSelectionModel::Select | QItemSelectionModel::Rows);
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selectionModel()->setCurrentIndex(index, QItemSelectionModel::Select | QItemSelectionModel::NoUpdate);
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if (!isExpanded(index)) {
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expand(index);
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}
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}
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} else if (!parents.contains(index.parent())) {
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parents.push_back(index.parent());
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}
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}
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Q_FOREACH(const QModelIndex& index, parents)
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expand(index);
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}
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