55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
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#pragma once
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#include "vmMeta.hpp"
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#include "ccl/lang/RefsManager.h"
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namespace xtr::viewmodel {
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struct HighlightItem {
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StrRange rng{};
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COLORREF color{};
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};
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//! Abstract interface for TextEdit control
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struct ITextEdit {
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[[nodiscard]] virtual CString GetText() const = 0;
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virtual void SetText(CString newText) = 0;
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virtual void ReplaceRange(StrRange range, CString replacement) = 0;
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virtual void Highlight(HighlightItem item) = 0;
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[[nodiscard]] virtual std::optional<HighlightItem> NextHighlighted(StrPos start) = 0;
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};
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//! Presenter: TextEdit
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class vmTextEdit {
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ITextEdit& control;
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bool outdated{ true };
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const ccl::lang::EntityTermContext* context{ nullptr };
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ccl::lang::RefsManager references{};
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public:
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explicit vmTextEdit(ITextEdit& control) noexcept
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: control{ control } {}
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void Initialize(const ccl::lang::EntityTermContext& cntxt) noexcept;
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public:
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void SetRefStr(CString refStr);
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[[nodiscard]] const ccl::lang::EntityTermContext& Context() const noexcept { return *context; }
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[[nodiscard]] CString GetRefStr();
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[[nodiscard]] CString GetRefSubstr(StrRange cr);
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void Invalidate() noexcept { outdated = true; }
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void OnEraseText(StrRange range, BOOL lookBehind);
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void OnInsertRef(ccl::StrRange rWhere, ccl::lang::Reference data);
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[[nodiscard]] const ccl::lang::Reference* RepresentativeOf(StrRange range);
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private:
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void UpdateData();
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};
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} // namespace xtr::viewmodel
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