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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/AbstractView.h>
#include <LibGUI/Model.h>
#include <LibGUI/ModelSelection.h>
namespace GUI {
void ModelSelection::remove_matching(Function<bool(const ModelIndex&)> filter)
{
Vector<ModelIndex> to_remove;
for (auto& index : m_indices) {
if (filter(index))
to_remove.append(index);
}
if (!to_remove.is_empty()) {
for (auto& index : to_remove)
m_indices.remove(index);
notify_selection_changed();
}
}
void ModelSelection::set(const ModelIndex& index)
{
VERIFY(index.is_valid());
if (m_indices.size() == 1 && m_indices.contains(index))
return;
m_indices.clear();
m_indices.set(index);
notify_selection_changed();
}
void ModelSelection::add(const ModelIndex& index)
{
VERIFY(index.is_valid());
if (m_indices.contains(index))
return;
m_indices.set(index);
notify_selection_changed();
}
void ModelSelection::add_all(const Vector<ModelIndex>& indices)
{
{
TemporaryChange notify_change { m_disable_notify, true };
for (auto& index : indices)
add(index);
}
if (m_notify_pending)
notify_selection_changed();
}
void ModelSelection::toggle(const ModelIndex& index)
{
VERIFY(index.is_valid());
if (m_indices.contains(index))
m_indices.remove(index);
else
m_indices.set(index);
notify_selection_changed();
}
bool ModelSelection::remove(const ModelIndex& index)
{
VERIFY(index.is_valid());
if (!m_indices.contains(index))
return false;
m_indices.remove(index);
notify_selection_changed();
return true;
}
void ModelSelection::clear()
{
if (m_indices.is_empty())
return;
m_indices.clear();
notify_selection_changed();
}
void ModelSelection::notify_selection_changed()
{
if (!m_disable_notify) {
m_view.notify_selection_changed({});
m_notify_pending = false;
} else {
m_notify_pending = true;
}
}
}
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