subsurface/qt-models/filterpresetmodel.cpp
Berthold Stoeger 51959d0feb filter: connect DiveListNotifier signals to filter preset model
Thus, the model is kept up to date if filter presets are changed
by undo commands.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-09-29 16:13:03 -07:00

80 lines
2 KiB
C++

// SPDX-License-Identifier: GPL-2.0
#include "filterpresetmodel.h"
#include "core/filterconstraint.h"
#include "core/filterpreset.h"
#include "core/qthelper.h"
#include "core/subsurface-qt/divelistnotifier.h"
FilterPresetModel::FilterPresetModel()
{
setHeaderDataStrings(QStringList{ "", tr("Name") });
connect(&diveListNotifier, &DiveListNotifier::dataReset, this, &FilterPresetModel::reset);
connect(&diveListNotifier, &DiveListNotifier::filterPresetAdded, this, &FilterPresetModel::filterPresetAdded);
connect(&diveListNotifier, &DiveListNotifier::filterPresetRemoved, this, &FilterPresetModel::filterPresetRemoved);
connect(&diveListNotifier, &DiveListNotifier::filterPresetChanged, this, &FilterPresetModel::filterPresetChanged);
}
FilterPresetModel::~FilterPresetModel()
{
}
FilterPresetModel *FilterPresetModel::instance()
{
static FilterPresetModel self;
return &self;
}
QVariant FilterPresetModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() >= filter_presets_count())
return QVariant();
switch (role) {
case Qt::DisplayRole:
if (index.column() == NAME)
return filter_preset_name_qstring(index.row());
break;
case Qt::DecorationRole:
if (index.column() == REMOVE)
return trashIcon();
break;
case Qt::SizeHintRole:
if (index.column() == REMOVE)
return trashIcon().size();
break;
case Qt::ToolTipRole:
if (index.column() == REMOVE)
return tr("Clicking here will remove this filter set.");
break;
}
return QVariant();
}
int FilterPresetModel::rowCount(const QModelIndex &parent) const
{
return filter_presets_count();
}
void FilterPresetModel::reset()
{
beginResetModel();
endResetModel();
}
void FilterPresetModel::filterPresetAdded(int index)
{
beginInsertRows(QModelIndex(), index, index);
endInsertRows();
}
void FilterPresetModel::filterPresetChanged(int i)
{
QModelIndex idx = index(i, 0);
dataChanged(idx, idx);
}
void FilterPresetModel::filterPresetRemoved(int index)
{
beginRemoveRows(QModelIndex(), index, index);
endRemoveRows();
}