mirror of
https://github.com/SerenityOS/serenity
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8a48246ed1
This class had slightly confusing semantics and the added weirdness doesn't seem worth it just so we can say "." instead of "->" when iterating over a vector of NNRPs. This patch replaces NonnullRefPtrVector<T> with Vector<NNRP<T>>.
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/DeprecatedString.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/Optional.h>
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#include <AK/RefPtr.h>
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#include <AK/StdLibExtras.h>
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#include <AK/WeakPtr.h>
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#include <LibGUI/Model.h>
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namespace GUI {
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class TreeViewModel final : public Model {
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public:
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static NonnullRefPtr<TreeViewModel> create()
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{
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return adopt_ref(*new TreeViewModel());
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}
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virtual ~TreeViewModel() override = default;
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virtual int row_count(ModelIndex const& = {}) const override;
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virtual int column_count(ModelIndex const& = {}) const override { return 1; }
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virtual Variant data(ModelIndex const&, ModelRole role) const override;
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virtual ModelIndex parent_index(ModelIndex const&) const override;
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virtual ModelIndex index(int row, int column, ModelIndex const& parent = {}) const override;
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class Node
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: public RefCounted<Node>
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, public Weakable<Node> {
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public:
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Node(DeprecatedString text, Optional<Icon> icon, Node* parent_node = nullptr)
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: m_text(move(text))
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, m_icon(move(icon))
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, m_parent_node(parent_node)
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{
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}
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virtual ~Node() = default;
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template<typename NodeType = Node, typename... Args>
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NonnullRefPtr<NodeType> add_node(DeprecatedString text, Optional<Icon> icon, Args&&... args)
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requires(IsBaseOf<Node, NodeType>)
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{
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auto node = adopt_ref(*new NodeType(move(text), move(icon), this, forward<Args>(args)...));
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m_child_nodes.append(*static_cast<Node*>(node.ptr()));
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return node;
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}
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DeprecatedString const& text() const { return m_text; }
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Optional<Icon> const& icon() const { return m_icon; }
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Node const* parent_node() const { return m_parent_node; }
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Node* parent_node() { return m_parent_node; }
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Vector<NonnullRefPtr<Node>> const& child_nodes() const { return m_child_nodes; }
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Vector<NonnullRefPtr<Node>>& child_nodes() { return m_child_nodes; }
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private:
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DeprecatedString m_text;
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Optional<Icon> m_icon;
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WeakPtr<Node> m_parent_node;
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Vector<NonnullRefPtr<Node>> m_child_nodes;
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};
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Vector<NonnullRefPtr<Node>> const& nodes() const { return m_nodes; }
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Vector<NonnullRefPtr<Node>>& nodes() { return m_nodes; }
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template<typename NodeType = Node, typename... Args>
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NonnullRefPtr<NodeType> add_node(DeprecatedString text, Optional<Icon> icon, Args&&... args)
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requires(IsBaseOf<Node, NodeType>)
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{
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auto node = adopt_ref(*new NodeType(move(text), move(icon), nullptr, forward<Args>(args)...));
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m_nodes.append(*static_cast<Node*>(node.ptr()));
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return node;
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}
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Optional<ModelIndex> index_for_node(Node const&, ModelIndex const& parent = {}) const;
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private:
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TreeViewModel() = default;
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Vector<NonnullRefPtr<Node>> m_nodes;
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};
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}
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