3c20eb7ca8
Simple text search performs significantly better that regular expressions. Disconnecting search filter model from the source when search is off should be good for performance because the filter model won't have to unnecessarily react to the source model changes.
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
|
|
This file is part of Fernschreiber.
|
|
|
|
Fernschreiber is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Fernschreiber is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Fernschreiber. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "textfiltermodel.h"
|
|
|
|
#define DEBUG_MODULE TextFilterModel
|
|
#include "debuglog.h"
|
|
|
|
TextFilterModel::TextFilterModel(QObject *parent) : QSortFilterProxyModel(parent)
|
|
{
|
|
setDynamicSortFilter(true);
|
|
setFilterCaseSensitivity(Qt::CaseInsensitive);
|
|
setFilterFixedString(QString());
|
|
}
|
|
|
|
void TextFilterModel::setSource(QObject *model)
|
|
{
|
|
setSourceModel(qobject_cast<QAbstractItemModel*>(model));
|
|
}
|
|
|
|
void TextFilterModel::setSourceModel(QAbstractItemModel *model)
|
|
{
|
|
if (sourceModel() != model) {
|
|
LOG(model);
|
|
QSortFilterProxyModel::setSourceModel(model);
|
|
updateFilterRole();
|
|
emit sourceChanged();
|
|
}
|
|
}
|
|
|
|
QString TextFilterModel::getFilterRoleName() const
|
|
{
|
|
return filterRoleName;
|
|
}
|
|
|
|
void TextFilterModel::setFilterRoleName(QString role)
|
|
{
|
|
if (filterRoleName != role) {
|
|
filterRoleName = role;
|
|
LOG(role);
|
|
updateFilterRole();
|
|
emit filterRoleNameChanged();
|
|
}
|
|
}
|
|
|
|
QString TextFilterModel::getFilterText() const
|
|
{
|
|
return filterText;
|
|
}
|
|
|
|
void TextFilterModel::setFilterText(QString text)
|
|
{
|
|
if (filterText.compare(text, Qt::CaseInsensitive) != 0) {
|
|
filterText = text;
|
|
LOG(text);
|
|
setFilterFixedString(text);
|
|
emit filterTextChanged();
|
|
}
|
|
}
|
|
|
|
int TextFilterModel::findRole(QAbstractItemModel *model, QString role)
|
|
{
|
|
if (model && !role.isEmpty()) {
|
|
const QByteArray roleName(role.toUtf8());
|
|
const QHash<int,QByteArray> roleMap(model->roleNames());
|
|
const QList<int> roles(roleMap.keys());
|
|
const int n = roles.count();
|
|
for (int i = 0; i < n; i++) {
|
|
const QByteArray name(roleMap.value(roles.at(i)));
|
|
if (name == roleName) {
|
|
LOG(role << roles.at(i));
|
|
return roles.at(i);
|
|
}
|
|
}
|
|
LOG("Unknown role" << role);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void TextFilterModel::updateFilterRole()
|
|
{
|
|
const int role = findRole(sourceModel(), filterRoleName);
|
|
setFilterRole((role >= 0) ? role : Qt::DisplayRole);
|
|
}
|