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b30b7de2d2
This is an application analogous to WidgetGallery, in that it tests various capabilities of LibGUI models. Right now it is pretty bare, but as more work towards LibGUI models is done regarding persistent model indices, more demos will be added.
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "BasicModel.h"
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GUI::Variant BasicModel::data(GUI::ModelIndex const& index, GUI::ModelRole role) const
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{
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if (role != GUI::ModelRole::Display)
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return {};
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if (!is_within_range(index))
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return {};
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return m_items.at(index.row());
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}
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TriState BasicModel::data_matches(GUI::ModelIndex const& index, GUI::Variant const& data) const
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{
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if (!is_within_range(index))
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return TriState::False;
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if (!data.is_string())
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return TriState::False;
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auto& value = m_items.at(index.row());
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return value.contains(data.as_string()) ? TriState::True : TriState::False;
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}
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void BasicModel::invalidate()
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{
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Model::invalidate();
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if (on_invalidate)
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on_invalidate();
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}
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GUI::ModelIndex BasicModel::index(int row, int column, GUI::ModelIndex const& parent) const
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{
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if (column != 0)
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return {};
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if (parent.is_valid())
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return {};
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if (row < 0 || row >= static_cast<int>(m_items.size()))
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return {};
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return create_index(row, column);
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}
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void BasicModel::add_item(String const& item)
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{
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begin_insert_rows({}, m_items.size(), m_items.size());
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m_items.append(item);
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end_insert_rows();
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did_update(UpdateFlag::DontInvalidateIndices);
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}
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void BasicModel::remove_item(GUI::ModelIndex const& index)
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{
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if (!index.is_valid() || !is_within_range(index))
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return;
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begin_delete_rows({}, index.row(), index.row());
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m_items.remove(index.row());
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end_delete_rows();
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did_update(UpdateFlag::DontInvalidateIndices);
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}
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