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- /*******************************************************************************
- /
- / File: ColumnTypes.h
- /
- / Description: Experimental classes that implement particular column/field
- / data types for use in BColumnListView.
- /
- / Copyright 2000+, Be Incorporated, All Rights Reserved
- /
- *******************************************************************************/
- #ifndef _COLUMN_TYPES_H
- #define _COLUMN_TYPES_H
- #include "ColumnListView.h"
- #include <String.h>
- #include <Font.h>
- #include <Bitmap.h>
- //=====================================================================
- // Common base-class: a column that draws a standard title at its top.
- class BTitledColumn : public BColumn
- {
- public:
- BTitledColumn (const char *title,
- float width,
- float minWidth,
- float maxWidth,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawTitle (BRect rect,
- BView* parent);
- virtual void GetColumnName (BString* into) const;
- void DrawString (const char*,
- BView*,
- BRect);
- void SetTitle (const char* title);
- void Title (BString* forTitle) const; // sets the BString arg to be the title
- float FontHeight () const;
- virtual float GetPreferredWidth(BField* field, BView* parent) const;
- private:
- float fFontHeight;
- BString fTitle;
- };
- //=====================================================================
- // Field and column classes for strings.
- class BStringField : public BField
- {
- public:
- BStringField (const char* string);
- void SetString (const char* string);
- const char* String () const;
- void SetClippedString (const char* string);
- bool HasClippedString () const;
- const char* ClippedString ();
- void SetWidth (float);
- float Width ();
- private:
- float fWidth;
- BString fString;
- BString fClippedString;
- };
- //--------------------------------------------------------------------
- class BStringColumn : public BTitledColumn
- {
- public:
- BStringColumn (const char *title,
- float width,
- float minWidth,
- float maxWidth,
- uint32 truncate,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawField (BField* field,
- BRect rect,
- BView* parent);
- virtual int CompareFields (BField* field1,
- BField* field2);
- virtual float GetPreferredWidth(BField* field, BView* parent) const;
- virtual bool AcceptsField (const BField* field) const;
- private:
- uint32 fTruncate;
- };
- //=====================================================================
- // Field and column classes for dates.
- class BDateField : public BField
- {
- public:
- BDateField (time_t* t);
- void SetWidth (float);
- float Width ();
- void SetClippedString (const char*);
- const char* ClippedString ();
- time_t Seconds ();
- time_t UnixTime ();
- private:
- struct tm fTime;
- time_t fUnixTime;
- time_t fSeconds;
- BString fClippedString;
- float fWidth;
- };
- //--------------------------------------------------------------------
- class BDateColumn : public BTitledColumn
- {
- public:
- BDateColumn (const char* title,
- float width,
- float minWidth,
- float maxWidth,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawField (BField* field,
- BRect rect,
- BView* parent);
- virtual int CompareFields (BField* field1,
- BField* field2);
- private:
- BString fTitle;
- };
- //=====================================================================
- // Field and column classes for numeric sizes.
- class BSizeField : public BField
- {
- public:
- BSizeField (off_t size);
- void SetSize (off_t);
- off_t Size ();
- private:
- off_t fSize;
- };
- //--------------------------------------------------------------------
- class BSizeColumn : public BTitledColumn
- {
- public:
- BSizeColumn (const char* title,
- float width,
- float minWidth,
- float maxWidth,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawField (BField* field,
- BRect rect,
- BView* parent);
- virtual int CompareFields (BField* field1,
- BField* field2);
- };
- //=====================================================================
- // Field and column classes for integers.
- class BIntegerField : public BField
- {
- public:
- BIntegerField (int32 number);
- void SetValue (int32);
- int32 Value ();
- private:
- int32 fInteger;
- };
- //--------------------------------------------------------------------
- class BIntegerColumn : public BTitledColumn
- {
- public:
- BIntegerColumn (const char* title,
- float width,
- float minWidth,
- float maxWidth,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawField (BField* field,
- BRect rect,
- BView* parent);
- virtual int CompareFields (BField* field1,
- BField* field2);
- };
- //=====================================================================
- // Field and column classes for bitmaps
- class BBitmapField : public BField
- {
- public:
- BBitmapField (BBitmap* bitmap);
- const BBitmap* Bitmap ();
- void SetBitmap (BBitmap* bitmap);
- private:
- BBitmap* fBitmap;
- };
- //--------------------------------------------------------------------
- class BBitmapColumn : public BTitledColumn
- {
- public:
- BBitmapColumn (const char* title,
- float width,
- float minWidth,
- float maxWidth,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawField (BField*field,
- BRect rect,
- BView* parent);
- virtual int CompareFields (BField* field1, BField* field2);
- virtual bool AcceptsField (const BField* field) const;
- };
- //=====================================================================
- // Column to display BIntegerField objects as a graph.
- class GraphColumn : public BIntegerColumn
- {
- public:
- GraphColumn (const char* name,
- float width,
- float minWidth,
- float maxWidth,
- alignment align = B_ALIGN_LEFT);
- virtual void DrawField (BField*field,
- BRect rect,
- BView* parent);
- };
- #endif
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