subsurface/desktop-widgets/filterwidget.cpp
Dirk Hohndel f8f83a9986 cleanup: model isn't used in the lambda
Simply cleaning up a warning.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2020-10-26 19:27:03 -07:00

266 lines
9.1 KiB
C++

#include "desktop-widgets/filterwidget.h"
#include "desktop-widgets/filterconstraintwidget.h"
#include "desktop-widgets/simplewidgets.h"
#include "desktop-widgets/mainwindow.h"
#include "commands/command.h"
#include "core/qthelper.h"
#include "core/divelist.h"
#include "core/settings/qPrefUnit.h"
#include "qt-models/filterpresetmodel.h"
FilterWidget::FilterWidget(QWidget* parent) :
QWidget(parent),
ignoreSignal(false),
presetModified(false)
{
ui.setupUi(this);
QMenu *newConstraintMenu = new QMenu(this);
QStringList constraintTypes = filter_constraint_type_list_translated();
for (int i = 0; i < constraintTypes.size(); ++i) {
filter_constraint_type type = filter_constraint_type_from_index(i);
newConstraintMenu->addAction(constraintTypes[i], [this, type]() { addConstraint(type); });
}
ui.addConstraintButton->setMenu(newConstraintMenu);
ui.addConstraintButton->setPopupMode(QToolButton::InstantPopup);
ui.constraintTable->setColumnStretch(4, 1); // The fifth column is were the actual constraint resides - stretch that.
ui.loadSetButton->setPopupMode(QToolButton::InstantPopup);
ui.presetTable->setModel(FilterPresetModel::instance());
ui.presetTable->setSelectionBehavior(QAbstractItemView::SelectRows);
ui.presetTable->setSelectionMode(QAbstractItemView::SingleSelection);
connect(ui.clear, &QToolButton::clicked, this, &FilterWidget::clearFilter);
connect(ui.close, &QToolButton::clicked, this, &FilterWidget::closeFilter);
connect(ui.fullText, &QLineEdit::textChanged, this, &FilterWidget::filterChanged);
connect(ui.fulltextStringMode, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FilterWidget::filterChanged);
connect(ui.presetTable, &QTableView::clicked, this, &FilterWidget::presetClicked);
connect(ui.presetTable->selectionModel(), &QItemSelectionModel::selectionChanged, this, &FilterWidget::presetSelected);
connect(&constraintModel, &FilterConstraintModel::rowsInserted, this, &FilterWidget::constraintAdded);
connect(&constraintModel, &FilterConstraintModel::rowsRemoved, this, &FilterWidget::constraintRemoved);
connect(&constraintModel, &FilterConstraintModel::dataChanged, this, &FilterWidget::constraintChanged);
connect(&constraintModel, &FilterConstraintModel::modelReset, this, &FilterWidget::constraintsReset);
// QDataWidgetMapper might be the more civilized way to keep the menus up to data.
// For now, let's be blunt and fully reload the context menu if the presets list changes.
// This gives us more flexibility in populating the menus.
QAbstractItemModel *presetModel = FilterPresetModel::instance();
connect(presetModel, &QAbstractItemModel::rowsInserted, this, &FilterWidget::updatePresetMenu);
connect(presetModel, &QAbstractItemModel::rowsRemoved, this, &FilterWidget::updatePresetMenu);
connect(presetModel, &QAbstractItemModel::dataChanged, this, &FilterWidget::updatePresetMenu);
connect(presetModel, &QAbstractItemModel::modelReset, this, &FilterWidget::updatePresetMenu);
clearFilter();
updatePresetMenu();
}
FilterWidget::~FilterWidget()
{
}
void FilterWidget::updatePresetMenu()
{
loadFilterPresetMenu.reset(new QMenu);
QAbstractItemModel *model = FilterPresetModel::instance();
int count = model->rowCount(QModelIndex());
if (count == 0) {
ui.loadSetButton->setEnabled(false);
return;
}
ui.loadSetButton->setEnabled(true);
for (int i = 0; i < count; ++i) {
QModelIndex idx = model->index(i, FilterPresetModel::NAME);
QString name = model->data(idx, Qt::DisplayRole).value<QString>();
loadFilterPresetMenu->addAction(name, [this,i]() { selectPreset(i); });
}
ui.loadSetButton->setMenu(loadFilterPresetMenu.get());
}
void FilterWidget::selectPreset(int i)
{
QAbstractItemModel *model = FilterPresetModel::instance();
QItemSelectionModel *selectionModel = ui.presetTable->selectionModel();
QModelIndex idx = model->index(i, 0);
selectionModel->reset();
selectionModel->select(idx, QItemSelectionModel::Select | QItemSelectionModel::Rows);
}
void FilterWidget::loadPreset(int index)
{
ignoreSignal = true; // When reloading the filter UI, we get numerous constraintChanged signals. Ignore them.
FilterData filter = filter_preset_get(index);
setFilterData(filter);
ignoreSignal = false;
presetModified = false;
updateFilter();
}
void FilterWidget::constraintAdded(const QModelIndex &parent, int first, int last)
{
if (parent.isValid() || last < first)
return; // We only support one level
constraintWidgets.reserve(constraintWidgets.size() + 1 + last - first);
for (int i = last + 1; i < (int)constraintWidgets.size(); ++i)
constraintWidgets[i]->moveToRow(i);
for (int i = first; i <= last; ++i) {
QModelIndex idx = constraintModel.index(i, 0);
constraintWidgets.emplace(constraintWidgets.begin() + i, new FilterConstraintWidget(&constraintModel, idx, ui.constraintTable));
}
filterChanged();
}
void FilterWidget::constraintRemoved(const QModelIndex &parent, int first, int last)
{
if (parent.isValid() || last < first)
return; // We only support one level
constraintWidgets.erase(constraintWidgets.begin() + first, constraintWidgets.begin() + last + 1);
for (int i = first; i < (int)constraintWidgets.size(); ++i)
constraintWidgets[i]->moveToRow(i);
filterChanged();
}
void FilterWidget::presetClicked(const QModelIndex &index)
{
if (!index.isValid())
return;
if (index.column() == FilterPresetModel::REMOVE)
Command::removeFilterPreset(index.row());
}
void FilterWidget::presetSelected(const QItemSelection &selected, const QItemSelection &)
{
if (selected.indexes().isEmpty())
return clearFilter();
const QModelIndex index = selected.indexes()[0];
if (!index.isValid())
return clearFilter();
loadPreset(index.row());
}
void FilterWidget::constraintChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
{
// Note: this may appear strange, but we don't update the widget if we get
// a constraint-changed signal from the model. The reason being that the user
// is currently editing the constraint and we don't want to bother them by
// overwriting strings with canonicalized data.
filterChanged();
}
void FilterWidget::constraintsReset()
{
constraintWidgets.clear();
int count = constraintModel.rowCount(QModelIndex());
for (int i = 0; i < count; ++i) {
QModelIndex idx = constraintModel.index(i, 0);
constraintWidgets.emplace_back(new FilterConstraintWidget(&constraintModel, idx, ui.constraintTable));
}
updateFilter();
}
void FilterWidget::clearFilter()
{
ignoreSignal = true; // Prevent signals to force filter recalculation (TODO: check if necessary)
presetModified = false;
ui.presetTable->selectionModel()->reset(); // Note: we use reset(), because that doesn't emit signals.
ui.fulltextStringMode->setCurrentIndex((int)StringFilterMode::STARTSWITH);
ui.fullText->clear();
ui.presetTable->clearSelection();
ignoreSignal = false;
constraintModel.reload({}); // Causes a filter reload
}
void FilterWidget::closeFilter()
{
MainWindow::instance()->setApplicationState(ApplicationState::Default);
}
FilterData FilterWidget::createFilterData() const
{
FilterData filterData;
filterData.fulltextStringMode = (StringFilterMode)ui.fulltextStringMode->currentIndex();
filterData.fullText = ui.fullText->text();
filterData.constraints = constraintModel.getConstraints();
return filterData;
}
void FilterWidget::setFilterData(const FilterData &filterData)
{
ui.fulltextStringMode->setCurrentIndex((int)filterData.fulltextStringMode);
ui.fullText->setText(filterData.fullText.originalQuery);
constraintModel.reload(filterData.constraints);
}
void FilterWidget::filterChanged()
{
presetModified = true;
updateFilter();
}
void FilterWidget::updateFilter()
{
if (ignoreSignal)
return;
FilterData filterData = createFilterData();
DiveFilter::instance()->setFilter(filterData);
updatePresetLabel();
}
int FilterWidget::selectedPreset() const
{
QModelIndexList selection = ui.presetTable->selectionModel()->selectedRows();
return selection.size() >= 1 ? selection[0].row() : -1;
}
void FilterWidget::updatePresetLabel()
{
int presetId = selectedPreset();
QString text;
if (presetId >= 0) {
text = filter_preset_name_qstring(presetId);
if (presetModified)
text += " (" + tr("modified") + ")";
}
ui.currentSet->setText(text);
}
void FilterWidget::on_addSetButton_clicked()
{
// If there is a selected item, suggest that to the user.
// Thus, if the user selects an item and modify the filter,
// they can simply overwrite the preset.
int presetId = selectedPreset();
QString selectedPreset = presetId >= 0 ? filter_preset_name_qstring(presetId) : QString();
AddFilterPresetDialog dialog(selectedPreset, this);
QString name = dialog.doit();
if (name.isEmpty())
return;
int idx = filter_preset_id(name);
if (idx >= 0)
Command::editFilterPreset(idx, createFilterData());
else
Command::createFilterPreset(name, createFilterData());
presetModified = false;
updatePresetLabel();
}
void FilterWidget::showEvent(QShowEvent *event)
{
QWidget::showEvent(event);
ui.fullText->setFocus();
updateFilter();
}
void FilterWidget::hideEvent(QHideEvent *event)
{
QWidget::hideEvent(event);
}
void FilterWidget::addConstraint(filter_constraint_type type)
{
constraintModel.addConstraint(type);
}