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filter: add a filter constraint widget
This add a widget that represents a single filter constraint. Since filter constraints are very general, the widget has to consider a number of cases: - numerical ranges - star-widget ranges - string lists - multiple choice lists Moreover, it supports units, which must be updated when the preferences change. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger
Dirk Hohndel
parent
af9d379a41
commit
c0af74ba88
3 changed files with 544 additions and 0 deletions
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@ -77,6 +77,8 @@ set(SUBSURFACE_INTERFACE
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divesiteimportdialog.h
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downloadfromdivecomputer.cpp
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downloadfromdivecomputer.h
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filterconstraintwidget.cpp
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filterconstraintwidget.h
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filterwidget2.cpp
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filterwidget2.h
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findmovedimagesdialog.cpp
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472
desktop-widgets/filterconstraintwidget.cpp
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472
desktop-widgets/filterconstraintwidget.cpp
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@ -0,0 +1,472 @@
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// SPDX-License-Identifier: GPL-2.0
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#include "filterconstraintwidget.h"
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#include "starwidget.h"
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#include "core/pref.h"
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#include "desktop-widgets/preferences/preferencesdialog.h"
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#include "qt-models/cleanertablemodel.h" // for trashIcon()
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#include "qt-models/filterconstraintmodel.h"
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#include <QComboBox>
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#include <QDateEdit>
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#include <QDoubleSpinBox>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QLineEdit>
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#include <QListWidget>
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#include <QPushButton>
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#include <QTimeEdit>
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// Helper function to get enums through Qt's variants
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template<typename T>
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static T getEnum(const QModelIndex &idx, int role)
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{
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return static_cast<T>(idx.data(role).value<int>());
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}
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// Helper function, which creates a combo box for a given model role
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// or returns null if the model doesn't return a proper list.
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static QComboBox *makeCombo(const QModelIndex &index, int role)
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{
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QStringList list = index.data(role).value<QStringList>();
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if (list.isEmpty())
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return nullptr;
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QComboBox *res = new QComboBox;
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res->addItems(list);
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res->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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return res;
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}
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// Helper function, which creates a multiple choice list for a given model role
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// or returns null if the model doesn't return a proper list.
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static QListWidget *makeMultipleChoice(const QModelIndex &index, int role)
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{
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QStringList list = index.data(role).value<QStringList>();
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if (list.isEmpty())
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return nullptr;
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QListWidget *res = new QListWidget;
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res->addItems(list);
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res->setSelectionMode(QAbstractItemView::ExtendedSelection);
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return res;
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}
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// Helper function to create a floating point spin box.
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// Currently, this allows a large range of values.
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// The limits should be adapted to the constraint in question.
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static QDoubleSpinBox *makeSpinBox(int numDecimals)
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{
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QDoubleSpinBox *res = new QDoubleSpinBox;
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res->setRange(-10000.0, 10000.0);
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res->setDecimals(numDecimals);
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res->setSingleStep(pow(10.0, -numDecimals));
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return res;
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}
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// Helper function to create a date edit widget
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static QDateEdit *makeDateEdit()
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{
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QDateEdit *res = new QDateEdit;
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res->setCalendarPopup(true);
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res->setTimeSpec(Qt::UTC);
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return res;
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}
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// Helper function to create a date edit widget
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static QTimeEdit *makeTimeEdit()
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{
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QTimeEdit *res = new QTimeEdit;
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res->setTimeSpec(Qt::UTC);
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return res;
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}
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// Helper function, which creates a label with a given string
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// or returns null if the string is empty.
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static QLabel *makeLabel(const QString &s)
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{
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if (s.isEmpty())
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return nullptr;
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return new QLabel(s);
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}
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// Helper function, which sets the index of a combo box for a given
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// model role, if the combo box is not null.
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static void setIndex(QComboBox *w, const QModelIndex &index, int role)
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{
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if (!w)
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return;
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w->setCurrentIndex(index.data(role).value<int>());
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}
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// Helper function to add a widget to a layout if it is non-null
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static void addWidgetToLayout(QWidget *w, QHBoxLayout *l)
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{
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if (w) {
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l->addWidget(w);
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l->setAlignment(w, Qt::AlignLeft);
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}
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}
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// Helper functions that show / hide non-null widgets
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static void showWidget(QWidget *w)
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{
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if (w)
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w->show();
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}
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// Helper functions that show / hide non-null widgets
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static void hideWidget(QWidget *w)
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{
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if (w)
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w->hide();
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}
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// Helper function to create datatimes from either a single date widget,
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// or a combination of a date and a time widget.
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static QDateTime makeDateTime(const QDateEdit *d, const QTimeEdit *t)
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{
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if (!d)
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return QDateTime();
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if (!t)
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return d->dateTime();
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QDateTime res = d->dateTime();
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res.setTime(t->time());
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return res;
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}
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FilterConstraintWidget::FilterConstraintWidget(FilterConstraintModel *modelIn, const QModelIndex &index, QGridLayout *layoutIn) : QObject(layoutIn),
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layout(layoutIn),
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model(modelIn),
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row(index.row()),
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type(getEnum<filter_constraint_type>(index, FilterConstraintModel::TYPE_ROLE))
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{
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rangeLayout.reset(new QHBoxLayout);
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rangeLayout->setAlignment(Qt::AlignLeft);
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trashButton.reset(new QPushButton(QIcon(trashIcon()), QString()));
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trashButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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trashButton->setToolTip(tr("Click to remove this constraint"));
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connect(trashButton.get(), &QPushButton::clicked, this, &FilterConstraintWidget::trash);
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typeLabel.reset(new QLabel(index.data(FilterConstraintModel::TYPE_DISPLAY_ROLE).value<QString>()));
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typeLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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QString unitString = index.data(FilterConstraintModel::UNIT_ROLE).value<QString>();
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negate.reset(makeCombo(index, FilterConstraintModel::NEGATE_COMBO_ROLE));
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connect(negate.get(), QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FilterConstraintWidget::negateEdited);
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stringMode.reset(makeCombo(index, FilterConstraintModel::STRING_MODE_COMBO_ROLE));
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rangeMode.reset(makeCombo(index, FilterConstraintModel::RANGE_MODE_COMBO_ROLE));
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multipleChoice.reset(makeMultipleChoice(index, FilterConstraintModel::MULTIPLE_CHOICE_LIST_ROLE));
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bool isStarWidget = index.data(FilterConstraintModel::IS_STAR_WIDGET_ROLE).value<bool>();
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bool hasDateWidget = index.data(FilterConstraintModel::HAS_DATE_WIDGET_ROLE).value<bool>();
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bool hasTimeWidget = index.data(FilterConstraintModel::HAS_TIME_WIDGET_ROLE).value<bool>();
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bool hasSpinBox = rangeMode && !stringMode && !hasDateWidget && !hasTimeWidget && !isStarWidget && !multipleChoice;
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unitFrom.reset(makeLabel(unitString));
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unitTo.reset(makeLabel(unitString));
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if (stringMode) {
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string.reset(new QLineEdit);
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string->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
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}
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int numDecimals = hasSpinBox ? index.data(FilterConstraintModel::NUM_DECIMALS_ROLE).value<int>() : 0;
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if (string)
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connect(string.get(), &QLineEdit::textEdited, this, &FilterConstraintWidget::stringEdited);
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if (multipleChoice)
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connect(multipleChoice.get(), &QListWidget::itemSelectionChanged, this, &FilterConstraintWidget::multipleChoiceEdited);
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if (stringMode)
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connect(stringMode.get(), QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FilterConstraintWidget::stringModeEdited);
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if (rangeMode) {
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toLabel.reset(new QLabel(tr("and")));
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connect(rangeMode.get(), QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FilterConstraintWidget::rangeModeEdited);
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}
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if (hasSpinBox) {
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spinBoxFrom.reset(makeSpinBox(numDecimals));
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spinBoxTo.reset(makeSpinBox(numDecimals));
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connect(spinBoxFrom.get(), QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &FilterConstraintWidget::fromEditedFloat);
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connect(spinBoxTo.get(), QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &FilterConstraintWidget::toEditedFloat);
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}
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if (isStarWidget) {
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starFrom.reset(new StarWidget);
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starTo.reset(new StarWidget);
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connect(starFrom.get(), &StarWidget::valueChanged, this, &FilterConstraintWidget::fromEditedInt);
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connect(starTo.get(), &StarWidget::valueChanged, this, &FilterConstraintWidget::toEditedInt);
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}
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if (hasDateWidget) {
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dateFrom.reset(makeDateEdit());
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dateTo.reset(makeDateEdit());
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connect(dateFrom.get(), &QDateEdit::dateTimeChanged, this, &FilterConstraintWidget::fromEditedTimestamp);
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connect(dateTo.get(), &QDateEdit::dateTimeChanged, this, &FilterConstraintWidget::toEditedTimestamp);
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}
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if (hasTimeWidget) {
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timeFrom.reset(makeTimeEdit());
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timeTo.reset(makeTimeEdit());
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connect(timeFrom.get(), &QTimeEdit::dateTimeChanged, this, &FilterConstraintWidget::fromEditedTimestamp);
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connect(timeTo.get(), &QTimeEdit::dateTimeChanged, this, &FilterConstraintWidget::toEditedTimestamp);
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}
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addWidgetToLayout(string.get(), rangeLayout.get());
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addWidgetToLayout(starFrom.get(), rangeLayout.get());
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addWidgetToLayout(spinBoxFrom.get(), rangeLayout.get());
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addWidgetToLayout(dateFrom.get(), rangeLayout.get());
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addWidgetToLayout(timeFrom.get(), rangeLayout.get());
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addWidgetToLayout(unitFrom.get(), rangeLayout.get());
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addWidgetToLayout(toLabel.get(), rangeLayout.get());
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addWidgetToLayout(starTo.get(), rangeLayout.get());
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addWidgetToLayout(spinBoxTo.get(), rangeLayout.get());
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addWidgetToLayout(dateTo.get(), rangeLayout.get());
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addWidgetToLayout(timeTo.get(), rangeLayout.get());
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addWidgetToLayout(unitTo.get(), rangeLayout.get());
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rangeLayout->addStretch();
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// Update the widget if the settings changed to reflect new units.
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connect(PreferencesDialog::instance(), &PreferencesDialog::settingsChanged, this, &FilterConstraintWidget::update);
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addToLayout();
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update();
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}
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FilterConstraintWidget::~FilterConstraintWidget()
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{
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}
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void FilterConstraintWidget::addToLayout()
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{
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// Careful: this must mirror the code in removeFromLayout() or weird things will happen.
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// Note: we add 2 to row, because the first and second row of the filter layout
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// are reserved for the title line and the fulltext widget!
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int layoutRow = row + 2;
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layout->addWidget(trashButton.get(), layoutRow, 0);
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if (!stringMode && !rangeMode && !multipleChoice) {
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// If there are no string or range modes, we rearrange to "negate / type" to get
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// a layout of the type "is not planned" or "is not logged", where the subject is
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// implicitly "dive". This presumes SVO grammar, but so does the rest of the layout.
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layout->addWidget(negate.get(), layoutRow, 1, Qt::AlignLeft);
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layout->addWidget(typeLabel.get(), layoutRow, 2, Qt::AlignLeft);
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} else {
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layout->addWidget(negate.get(), layoutRow, 2, Qt::AlignLeft);
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layout->addWidget(typeLabel.get(), layoutRow, 1, Qt::AlignLeft);
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}
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if (stringMode)
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layout->addWidget(stringMode.get(), layoutRow, 3, Qt::AlignLeft);
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else if (rangeMode)
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layout->addWidget(rangeMode.get(), layoutRow, 3, Qt::AlignLeft);
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else if (multipleChoice)
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layout->addWidget(multipleChoice.get(), layoutRow, 3, 1, 2, Qt::AlignLeft); // column span 2
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if (!multipleChoice)
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layout->addLayout(rangeLayout.get(), layoutRow, 4, Qt::AlignLeft);
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}
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void FilterConstraintWidget::removeFromLayout()
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{
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// Careful: this must mirror the code in addToLayout() or weird things will happen.
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layout->removeWidget(trashButton.get());
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layout->removeWidget(negate.get());
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layout->removeWidget(typeLabel.get());
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if (stringMode)
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layout->removeWidget(stringMode.get());
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else if (rangeMode)
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layout->removeWidget(rangeMode.get());
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else if (multipleChoice)
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layout->removeWidget(multipleChoice.get());
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if (!multipleChoice)
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layout->removeItem(rangeLayout.get());
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}
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void FilterConstraintWidget::update()
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{
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// The user might have changed the date and/or time format. Let's update the widgets.
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if (dateFrom)
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dateFrom->setDisplayFormat(prefs.date_format);
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if (dateTo)
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dateTo->setDisplayFormat(prefs.date_format);
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if (timeFrom)
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timeFrom->setDisplayFormat(prefs.time_format);
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if (timeTo)
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timeTo->setDisplayFormat(prefs.time_format);
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QModelIndex idx = model->index(row, 0);
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setIndex(negate.get(), idx, FilterConstraintModel::NEGATE_INDEX_ROLE);
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setIndex(stringMode.get(), idx, FilterConstraintModel::STRING_MODE_INDEX_ROLE);
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setIndex(rangeMode.get(), idx, FilterConstraintModel::RANGE_MODE_INDEX_ROLE);
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if (string)
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string->setText(idx.data(FilterConstraintModel::STRING_ROLE).value<QString>());
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if (starFrom)
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starFrom->setCurrentStars(idx.data(FilterConstraintModel::INTEGER_FROM_ROLE).value<int>());
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if (starTo)
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starTo->setCurrentStars(idx.data(FilterConstraintModel::INTEGER_TO_ROLE).value<int>());
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if (spinBoxFrom)
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spinBoxFrom->setValue(idx.data(FilterConstraintModel::FLOAT_FROM_ROLE).value<double>());
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if (spinBoxTo)
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spinBoxTo->setValue(idx.data(FilterConstraintModel::FLOAT_TO_ROLE).value<double>());
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if (dateFrom) {
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QDateTime dateTime = idx.data(FilterConstraintModel::TIMESTAMP_FROM_ROLE).value<QDateTime>();
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dateFrom->setDateTime(dateTime);
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if (timeFrom)
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timeFrom->setDateTime(dateTime);
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} else if (timeFrom) {
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timeFrom->setTime(idx.data(FilterConstraintModel::TIME_FROM_ROLE).value<QTime>());
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}
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if (dateTo) {
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QDateTime dateTime = idx.data(FilterConstraintModel::TIMESTAMP_TO_ROLE).value<QDateTime>();
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dateTo->setDateTime(dateTime);
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if (timeTo)
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timeTo->setDateTime(dateTime);
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} else if (timeTo) {
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timeTo->setTime(idx.data(FilterConstraintModel::INTEGER_TO_ROLE).value<QTime>());
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}
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if (multipleChoice) {
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uint64_t bits = idx.data(FilterConstraintModel::MULTIPLE_CHOICE_ROLE).value<uint64_t>();
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for (int i = 0; i < multipleChoice->count(); ++i)
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multipleChoice->item(i)->setSelected(bits & (1 << i));
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}
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// Update the unit strings in case the locale was changed
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if (unitFrom || unitTo) {
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QString unitString = idx.data(FilterConstraintModel::UNIT_ROLE).value<QString>();
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unitFrom->setText(unitString);
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unitTo->setText(unitString);
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}
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if (rangeMode) {
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switch(getEnum<filter_constraint_range_mode>(idx, FilterConstraintModel::RANGE_MODE_ROLE)) {
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case FILTER_CONSTRAINT_LESS:
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hideWidget(toLabel.get());
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hideWidget(starFrom.get());
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hideWidget(spinBoxFrom.get());
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hideWidget(dateFrom.get());
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hideWidget(timeFrom.get());
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hideWidget(unitFrom.get());
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showWidget(starTo.get());
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showWidget(spinBoxTo.get());
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showWidget(dateTo.get());
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showWidget(timeTo.get());
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showWidget(unitTo.get());
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break;
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case FILTER_CONSTRAINT_EQUAL:
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case FILTER_CONSTRAINT_GREATER:
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hideWidget(toLabel.get());
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showWidget(starFrom.get());
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showWidget(spinBoxFrom.get());
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showWidget(dateFrom.get());
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showWidget(timeFrom.get());
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showWidget(unitFrom.get());
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hideWidget(starTo.get());
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hideWidget(spinBoxTo.get());
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hideWidget(dateTo.get());
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hideWidget(timeTo.get());
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hideWidget(unitTo.get());
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break;
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case FILTER_CONSTRAINT_RANGE:
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showWidget(toLabel.get());
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showWidget(starFrom.get());
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showWidget(spinBoxFrom.get());
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showWidget(dateFrom.get());
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showWidget(timeFrom.get());
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showWidget(unitFrom.get());
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showWidget(starTo.get());
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showWidget(spinBoxTo.get());
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showWidget(dateTo.get());
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showWidget(timeTo.get());
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showWidget(unitTo.get());
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break;
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}
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}
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}
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void FilterConstraintWidget::stringEdited(const QString &s)
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{
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QModelIndex idx = model->index(row, 0);
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model->setData(idx, s, FilterConstraintModel::STRING_ROLE);
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}
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void FilterConstraintWidget::multipleChoiceEdited()
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{
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// Turn selected items into bit-field
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uint64_t bits = 0;
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for (const QModelIndex &idx: multipleChoice->selectionModel()->selectedIndexes()) {
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int row = idx.row();
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if (row >= 64)
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qWarning("FilterConstraint: multiple-choice with more than 64 entries not supported");
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bits |= 1 << row;
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}
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QModelIndex idx = model->index(row, 0);
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model->setData(idx, qulonglong(bits), FilterConstraintModel::MULTIPLE_CHOICE_ROLE);
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}
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void FilterConstraintWidget::fromEditedInt(int i)
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{
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QModelIndex idx = model->index(row, 0);
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model->setData(idx, i, FilterConstraintModel::INTEGER_FROM_ROLE);
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}
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void FilterConstraintWidget::toEditedInt(int i)
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{
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QModelIndex idx = model->index(row, 0);
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model->setData(idx, i, FilterConstraintModel::INTEGER_TO_ROLE);
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}
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void FilterConstraintWidget::fromEditedFloat(double f)
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{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
model->setData(idx, f, FilterConstraintModel::FLOAT_FROM_ROLE);
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::toEditedFloat(double f)
|
||||
{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
model->setData(idx, f, FilterConstraintModel::FLOAT_TO_ROLE);
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::fromEditedTimestamp(const QDateTime &datetime)
|
||||
{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
if (!dateFrom && timeFrom)
|
||||
model->setData(idx, timeFrom->time(), FilterConstraintModel::TIME_FROM_ROLE);
|
||||
else
|
||||
model->setData(idx, makeDateTime(dateFrom.get(), timeFrom.get()), FilterConstraintModel::TIMESTAMP_FROM_ROLE);
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::toEditedTimestamp(const QDateTime &datetime)
|
||||
{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
if (!dateTo && timeTo)
|
||||
model->setData(idx, timeTo->time(), FilterConstraintModel::TIME_TO_ROLE);
|
||||
else
|
||||
model->setData(idx, makeDateTime(dateTo.get(), timeTo.get()), FilterConstraintModel::TIMESTAMP_TO_ROLE);
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::negateEdited(int i)
|
||||
{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
model->setData(idx, i, FilterConstraintModel::NEGATE_INDEX_ROLE);
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::rangeModeEdited(int i)
|
||||
{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
model->setData(idx, i, FilterConstraintModel::RANGE_MODE_INDEX_ROLE);
|
||||
update(); // Range mode may change the shown widgets
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::stringModeEdited(int i)
|
||||
{
|
||||
QModelIndex idx = model->index(row, 0);
|
||||
model->setData(idx, i, FilterConstraintModel::STRING_MODE_INDEX_ROLE);
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::moveToRow(int rowIn)
|
||||
{
|
||||
removeFromLayout();
|
||||
row = rowIn;
|
||||
addToLayout();
|
||||
}
|
||||
|
||||
void FilterConstraintWidget::trash()
|
||||
{
|
||||
model->deleteConstraint(row);
|
||||
}
|
||||
70
desktop-widgets/filterconstraintwidget.h
Normal file
70
desktop-widgets/filterconstraintwidget.h
Normal file
|
|
@ -0,0 +1,70 @@
|
|||
// SPDX-License-Identifier: GPL-2.0
|
||||
#ifndef FILTERCONSTRAINTWIDGET_H
|
||||
#define FILTERCONSTRAINTWIDGET_H
|
||||
|
||||
#include "core/filterconstraint.h"
|
||||
#include <QWidget>
|
||||
#include <memory>
|
||||
|
||||
class FilterConstraintModel;
|
||||
class QComboBox;
|
||||
class QDateEdit;
|
||||
class QDoubleSpinBox;
|
||||
class QGridLayout;
|
||||
class QHBoxLayout;
|
||||
class QLabel;
|
||||
class QLineEdit;
|
||||
class QListWidget;
|
||||
class QPushButton;
|
||||
class QTimeEdit;
|
||||
class StarWidget;
|
||||
|
||||
// Technically, this is not a single widget, but numerous widgets,
|
||||
// which are added to the row of a QGridLayout
|
||||
class FilterConstraintWidget : public QObject {
|
||||
Q_OBJECT
|
||||
public:
|
||||
FilterConstraintWidget(FilterConstraintModel *model, const QModelIndex &index, QGridLayout *layout);
|
||||
~FilterConstraintWidget();
|
||||
void moveToRow(int row); // call if the row of the widget has changed.
|
||||
// this will update the index used to access the model as well as the position in the layout
|
||||
void update();
|
||||
private
|
||||
slots:
|
||||
void trash();
|
||||
void stringEdited(const QString &s);
|
||||
void multipleChoiceEdited();
|
||||
void negateEdited(int index);
|
||||
void rangeModeEdited(int index);
|
||||
void stringModeEdited(int index);
|
||||
void fromEditedInt(int i);
|
||||
void toEditedInt(int i);
|
||||
void fromEditedFloat(double f);
|
||||
void toEditedFloat(double f);
|
||||
void fromEditedTimestamp(const QDateTime &datetime);
|
||||
void toEditedTimestamp(const QDateTime &datetime);
|
||||
private:
|
||||
QGridLayout *layout;
|
||||
FilterConstraintModel *model;
|
||||
int row;
|
||||
const filter_constraint_type type; // we don't support changing the type
|
||||
void addToLayout();
|
||||
void removeFromLayout();
|
||||
|
||||
std::unique_ptr<QHBoxLayout> rangeLayout;
|
||||
std::unique_ptr<QPushButton> trashButton;
|
||||
std::unique_ptr<QLabel> typeLabel;
|
||||
std::unique_ptr<QComboBox> negate;
|
||||
std::unique_ptr<QComboBox> stringMode;
|
||||
std::unique_ptr<QComboBox> rangeMode;
|
||||
std::unique_ptr<QListWidget> multipleChoice;
|
||||
std::unique_ptr<QLineEdit> string;
|
||||
std::unique_ptr<StarWidget> starFrom, starTo;
|
||||
std::unique_ptr<QDoubleSpinBox> spinBoxFrom, spinBoxTo;
|
||||
std::unique_ptr<QDateEdit> dateFrom, dateTo;
|
||||
std::unique_ptr<QTimeEdit> timeFrom, timeTo;
|
||||
std::unique_ptr<QLabel> unitFrom, unitTo;
|
||||
std::unique_ptr<QLabel> toLabel;
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue