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/*
* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/PersistentModelIndex.h>
namespace GUI {
PersistentModelIndex::PersistentModelIndex(ModelIndex const& index)
{
if (!index.is_valid())
return;
auto* model = const_cast<Model*>(index.model());
m_handle = model->register_persistent_index({}, index);
}
int PersistentModelIndex::row() const
{
if (!has_valid_handle())
return -1;
return m_handle->m_index.row();
}
int PersistentModelIndex::column() const
{
if (!has_valid_handle())
return -1;
return m_handle->m_index.column();
}
PersistentModelIndex PersistentModelIndex::parent() const
{
if (!has_valid_handle())
return {};
return { m_handle->m_index.parent() };
}
PersistentModelIndex PersistentModelIndex::sibling_at_column(int column) const
{
if (!has_valid_handle())
return {};
return { m_handle->m_index.sibling_at_column(column) };
}
Variant PersistentModelIndex::data(ModelRole role) const
{
if (!has_valid_handle())
return {};
return { m_handle->m_index.data(role) };
}
PersistentModelIndex::operator ModelIndex() const
{
if (!has_valid_handle())
return {};
else
return m_handle->m_index;
}
bool PersistentModelIndex::operator==(PersistentModelIndex const& other) const
{
bool is_this_valid = has_valid_handle();
bool is_other_valid = other.has_valid_handle();
if (!is_this_valid && !is_other_valid)
return true;
if (is_this_valid != is_other_valid)
return false;
return m_handle->m_index == other.m_handle->m_index;
}
bool PersistentModelIndex::operator!=(PersistentModelIndex const& other) const
{
return !(*this == other);
}
bool PersistentModelIndex::operator==(ModelIndex const& other) const
{
if (!has_valid_handle()) {
return !other.is_valid();
}
return m_handle->m_index == other;
}
bool PersistentModelIndex::operator!=(ModelIndex const& other) const
{
return !(*this == other);
}
}
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