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L7/LGridCheckRenderer.h

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+/* 
+ * File:   LGridCheckRenderer.h
+ * Author: SET - nmset@netcourrier.com
+ * License : LGPL version 2.1
+ * Copyright SET, M. D. - © 2014
+ * 
+ * Created on 9 juin 2014, 21:32
+ */
+
+#ifndef LGRIDCHECKRENDERER_H
+#define	LGRIDCHECKRENDERER_H
+
+#include "wx/grid.h"
+
+class LGridCheckRenderer : public wxGridCellStringRenderer
+{
+public:
+    /**
+     * N.B. newNullLabel must be the same in LGridCheckEditor and LGridCheckRenderer
+     * @param isDualState : is the cell edited with a dual or tristate checkbox ?
+     * @param newNullLabel : what to show if tristate with undetermined state.
+     */
+    LGridCheckRenderer(bool isDualState = false, const wxString& newNullLabel = _T("?"));
+    virtual ~LGridCheckRenderer();
+    /**
+     * What is rendered per cell value.
+     * 
+     * If tristate : empty cell maps to nullLabel,
+     * 0 maps to literal Non,
+     * anything else is shown as literal Oui.
+     * 
+     * If dualstate : empty cell or 0 map to literal Non,
+     * Anything else is shown as literal Oui.
+     * @param grid
+     * @param attr
+     * @param dc
+     * @param rect
+     * @param row
+     * @param col
+     * @param isSelected
+     */
+    void Draw(wxGrid & grid,
+              wxGridCellAttr & attr,
+              wxDC & dc,
+              const wxRect & rect,
+              int row,
+              int col,
+              bool isSelected);
+    wxGridCellRenderer* Clone() const;
+private:
+    wxString m_nullLabel;
+    bool m_triState;
+};
+
+#endif	/* LGRIDCHECKRENDERER_H */
+