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ca2c81251a
Most of the models were just calling did_update anyway, which is pointless since it can be unified to the base Model class. Instead, code calling update() will now call invalidate(), which functions identically and is more obvious in what it does. Additionally, a default implementation is provided, which removes the need to add empty implementations of update() for each model subclass. Co-Authored-By: Ali Mohammad Pur <ali.mpfard@gmail.com>
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
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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/StringView.h>
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#include <AK/Vector.h>
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#include <LibGUI/AutocompleteProvider.h>
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#include <LibGUI/TreeView.h>
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#include <LibGUI/Widget.h>
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namespace HackStudio {
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class ClassViewWidget final : public GUI::Widget {
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C_OBJECT(ClassViewWidget)
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public:
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virtual ~ClassViewWidget() override { }
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ClassViewWidget();
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void refresh();
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private:
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RefPtr<GUI::TreeView> m_class_tree;
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};
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// Note: A ClassViewNode stores a raw pointer to the Declaration from ProjectDeclarations and a StringView into its name.
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// We should take care to update the ClassViewModel whenever the declarations change, because otherwise we may be holding pointers to freed memory.
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// This is currently achieved with the on_update callback of ProjectDeclarations.
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struct ClassViewNode {
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StringView name;
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const GUI::AutocompleteProvider::Declaration* declaration { nullptr };
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NonnullOwnPtrVector<ClassViewNode> children;
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ClassViewNode* parent { nullptr };
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explicit ClassViewNode(const StringView& name)
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: name(name) {};
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};
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class ClassViewModel final : public GUI::Model {
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public:
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static RefPtr<ClassViewModel> create();
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virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
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virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return 1; }
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virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole role) const override;
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virtual GUI::ModelIndex parent_index(const GUI::ModelIndex&) const override;
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virtual GUI::ModelIndex index(int row, int column = 0, const GUI::ModelIndex& parent_index = GUI::ModelIndex()) const override;
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private:
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explicit ClassViewModel();
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void add_declaration(const GUI::AutocompleteProvider::Declaration&);
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NonnullOwnPtrVector<ClassViewNode> m_root_scope;
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};
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}
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