ladybird/Userland/Libraries/LibGUI/TreeViewModel.h
Ali Mohammad Pur 5e1499d104 Everywhere: Rename {Deprecated => Byte}String
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).

This commit is auto-generated:
  $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
    Meta Ports Ladybird Tests Kernel)
  $ perl -pie 's/\bDeprecatedString\b/ByteString/g;
    s/deprecated_string/byte_string/g' $xs
  $ clang-format --style=file -i \
    $(git diff --name-only | grep \.cpp\|\.h)
  $ gn format $(git ls-files '*.gn' '*.gni')
2023-12-17 18:25:10 +03:30

92 lines
2.9 KiB
C++

/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteString.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Optional.h>
#include <AK/RefPtr.h>
#include <AK/StdLibExtras.h>
#include <AK/WeakPtr.h>
#include <LibGUI/Model.h>
namespace GUI {
class TreeViewModel final : public Model {
public:
static NonnullRefPtr<TreeViewModel> create()
{
return adopt_ref(*new TreeViewModel());
}
virtual ~TreeViewModel() override = default;
virtual int row_count(ModelIndex const& = {}) const override;
virtual int column_count(ModelIndex const& = {}) const override { return 1; }
virtual Variant data(ModelIndex const&, ModelRole role) const override;
virtual ModelIndex parent_index(ModelIndex const&) const override;
virtual ModelIndex index(int row, int column, ModelIndex const& parent = {}) const override;
class Node
: public RefCounted<Node>
, public Weakable<Node> {
public:
Node(ByteString text, Optional<Icon> icon, Node* parent_node = nullptr)
: m_text(move(text))
, m_icon(move(icon))
, m_parent_node(parent_node)
{
}
virtual ~Node() = default;
template<typename NodeType = Node, typename... Args>
NonnullRefPtr<NodeType> add_node(ByteString text, Optional<Icon> icon, Args&&... args)
requires(IsBaseOf<Node, NodeType>)
{
auto node = adopt_ref(*new NodeType(move(text), move(icon), this, forward<Args>(args)...));
m_child_nodes.append(*static_cast<Node*>(node.ptr()));
return node;
}
ByteString const& text() const { return m_text; }
Optional<Icon> const& icon() const { return m_icon; }
Node const* parent_node() const { return m_parent_node; }
Node* parent_node() { return m_parent_node; }
Vector<NonnullRefPtr<Node>> const& child_nodes() const { return m_child_nodes; }
Vector<NonnullRefPtr<Node>>& child_nodes() { return m_child_nodes; }
private:
ByteString m_text;
Optional<Icon> m_icon;
WeakPtr<Node> m_parent_node;
Vector<NonnullRefPtr<Node>> m_child_nodes;
};
Vector<NonnullRefPtr<Node>> const& nodes() const { return m_nodes; }
Vector<NonnullRefPtr<Node>>& nodes() { return m_nodes; }
template<typename NodeType = Node, typename... Args>
NonnullRefPtr<NodeType> add_node(ByteString text, Optional<Icon> icon, Args&&... args)
requires(IsBaseOf<Node, NodeType>)
{
auto node = adopt_ref(*new NodeType(move(text), move(icon), nullptr, forward<Args>(args)...));
m_nodes.append(*static_cast<Node*>(node.ptr()));
return node;
}
Optional<ModelIndex> index_for_node(Node const&, ModelIndex const& parent = {}) const;
private:
TreeViewModel() = default;
Vector<NonnullRefPtr<Node>> m_nodes;
};
}