68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
#pragma once
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#include <AK/HashTable.h>
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#include <LibGUI/GModelIndex.h>
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class GAbstractView;
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class GModelSelection {
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public:
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GModelSelection(GAbstractView& view)
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: m_view(view)
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{
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}
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int size() const { return m_indexes.size(); }
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bool is_empty() const { return m_indexes.is_empty(); }
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bool contains(const GModelIndex& index) const { return m_indexes.contains(index); }
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bool contains_row(int row) const
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{
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for (auto& index : m_indexes) {
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if (index.row() == row)
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return true;
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}
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return false;
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}
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void set(const GModelIndex&);
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void add(const GModelIndex&);
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void toggle(const GModelIndex&);
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bool remove(const GModelIndex&);
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void clear();
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template<typename Callback>
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void for_each_index(Callback callback)
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{
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for (auto& index : indexes())
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callback(index);
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}
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template<typename Callback>
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void for_each_index(Callback callback) const
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{
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for (auto& index : indexes())
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callback(index);
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}
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Vector<GModelIndex> indexes() const
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{
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Vector<GModelIndex> selected_indexes;
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for (auto& index : m_indexes)
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selected_indexes.append(index);
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return selected_indexes;
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}
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// FIXME: This doesn't guarantee that what you get is the lowest or "first" index selected..
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GModelIndex first() const
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{
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if (m_indexes.is_empty())
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return {};
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return *m_indexes.begin();
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}
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private:
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GAbstractView& m_view;
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HashTable<GModelIndex> m_indexes;
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};
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