wxWidgets/include/wx/generic/dataview.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/dataview.h
// Purpose: wxDataViewCtrl generic implementation header
// Author: Robert Roebling
// Modified By: Bo Yang
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GENERICDATAVIEWCTRLH__
#define __GENERICDATAVIEWCTRLH__
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/list.h"
#include "wx/control.h"
#include "wx/scrolwin.h"
#include "wx/icon.h"
// ---------------------------------------------------------
// classes
// ---------------------------------------------------------
class WXDLLIMPEXP_FWD_ADV wxDataViewCtrl;
class WXDLLIMPEXP_FWD_ADV wxDataViewMainWindow;
class WXDLLIMPEXP_FWD_ADV wxDataViewHeaderWindow;
// ---------------------------------------------------------
// wxDataViewRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewRenderer: public wxDataViewRendererBase
{
public:
wxDataViewRenderer( const wxString &varianttype,
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
virtual ~wxDataViewRenderer();
virtual bool Render( wxRect cell, wxDC *dc, int state ) = 0;
virtual wxSize GetSize() const = 0;
virtual void SetAlignment( int align );
virtual int GetAlignment() const;
virtual void SetMode( wxDataViewCellMode mode )
{ m_mode=mode; }
virtual wxDataViewCellMode GetMode() const
{ return m_mode; }
virtual bool Activate( wxRect WXUNUSED(cell),
wxDataViewModel *WXUNUSED(model),
const wxDataViewItem & WXUNUSED(item),
unsigned int WXUNUSED(col) )
{ return false; }
virtual bool LeftClick( wxPoint WXUNUSED(cursor),
wxRect WXUNUSED(cell),
wxDataViewModel *WXUNUSED(model),
const wxDataViewItem & WXUNUSED(item),
unsigned int WXUNUSED(col) )
{ return false; }
virtual bool RightClick( wxPoint WXUNUSED(cursor),
wxRect WXUNUSED(cell),
wxDataViewModel *WXUNUSED(model),
const wxDataViewItem & WXUNUSED(item),
unsigned int WXUNUSED(col) )
{ return false; }
virtual bool StartDrag( wxPoint WXUNUSED(cursor),
wxRect WXUNUSED(cell),
wxDataViewModel *WXUNUSED(model),
const wxDataViewItem & WXUNUSED(item),
unsigned int WXUNUSED(col) )
{ return false; }
// Create DC on request
virtual wxDC *GetDC();
void SetHasAttr( bool set ) { m_hasAttr = set; }
void SetAttr( const wxDataViewItemAttr &attr ) { m_attr = attr; }
bool GetWantsAttr() { return m_wantsAttr; }
// implementation
int CalculateAlignment() const;
private:
wxDC *m_dc;
int m_align;
wxDataViewCellMode m_mode;
protected:
bool m_wantsAttr;
bool m_hasAttr;
wxDataViewItemAttr m_attr;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRenderer)
};
// ---------------------------------------------------------
// wxDataViewCustomRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewCustomRenderer: public wxDataViewRenderer
{
public:
wxDataViewCustomRenderer( const wxString &varianttype = wxT("string"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
void RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state );
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCustomRenderer)
};
// ---------------------------------------------------------
// wxDataViewTextRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewTextRenderer: public wxDataViewCustomRenderer
{
public:
wxDataViewTextRenderer( const wxString &varianttype = wxT("string"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
bool SetValue( const wxVariant &value );
bool GetValue( wxVariant &value ) const;
bool Render( wxRect cell, wxDC *dc, int state );
wxSize GetSize() const;
// in-place editing
virtual bool HasEditorCtrl();
virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value );
protected:
wxString m_text;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewTextRenderer)
};
// ---------------------------------------------------------
// wxDataViewTextRendererAttr
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewTextRendererAttr: public wxDataViewTextRenderer
{
public:
wxDataViewTextRendererAttr( const wxString &varianttype = wxT("string"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
bool Render( wxRect cell, wxDC *dc, int state );
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewTextRendererAttr)
};
// ---------------------------------------------------------
// wxDataViewBitmapRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewBitmapRenderer: public wxDataViewCustomRenderer
{
public:
wxDataViewBitmapRenderer( const wxString &varianttype = wxT("wxBitmap"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
bool SetValue( const wxVariant &value );
bool GetValue( wxVariant &value ) const;
bool Render( wxRect cell, wxDC *dc, int state );
wxSize GetSize() const;
private:
wxIcon m_icon;
wxBitmap m_bitmap;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewBitmapRenderer)
};
// ---------------------------------------------------------
// wxDataViewToggleRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewToggleRenderer: public wxDataViewCustomRenderer
{
public:
wxDataViewToggleRenderer( const wxString &varianttype = wxT("bool"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
bool SetValue( const wxVariant &value );
bool GetValue( wxVariant &value ) const;
bool Render( wxRect cell, wxDC *dc, int state );
bool Activate( wxRect cell, wxDataViewModel *model, const wxDataViewItem & item,
unsigned int col );
wxSize GetSize() const;
private:
bool m_toggle;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewToggleRenderer)
};
// ---------------------------------------------------------
// wxDataViewProgressRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewProgressRenderer: public wxDataViewCustomRenderer
{
public:
wxDataViewProgressRenderer( const wxString &label = wxEmptyString,
const wxString &varianttype = wxT("long"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
virtual ~wxDataViewProgressRenderer();
bool SetValue( const wxVariant &value );
bool GetValue( wxVariant& value ) const;
virtual bool Render( wxRect cell, wxDC *dc, int state );
virtual wxSize GetSize() const;
private:
wxString m_label;
int m_value;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewProgressRenderer)
};
// ---------------------------------------------------------
// wxDataViewIconTextRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewIconTextRenderer: public wxDataViewCustomRenderer
{
public:
wxDataViewIconTextRenderer( const wxString &varianttype = wxT("wxDataViewIconText"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
virtual ~wxDataViewIconTextRenderer();
bool SetValue( const wxVariant &value );
bool GetValue( wxVariant &value ) const;
virtual bool Render( wxRect cell, wxDC *dc, int state );
virtual wxSize GetSize() const;
virtual bool HasEditorCtrl() { return true; }
virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value );
private:
wxDataViewIconText m_value;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewIconTextRenderer)
};
// ---------------------------------------------------------
// wxDataViewDateRenderer
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewDateRenderer: public wxDataViewCustomRenderer
{
public:
wxDataViewDateRenderer( const wxString &varianttype = wxT("datetime"),
wxDataViewCellMode mode = wxDATAVIEW_CELL_ACTIVATABLE,
int align = wxDVR_DEFAULT_ALIGNMENT );
bool SetValue( const wxVariant &value );
bool GetValue( wxVariant& value ) const;
virtual bool Render( wxRect cell, wxDC *dc, int state );
virtual wxSize GetSize() const;
virtual bool Activate( wxRect cell,
wxDataViewModel *model, const wxDataViewItem & item, unsigned int col );
private:
wxDateTime m_date;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewDateRenderer)
};
// ---------------------------------------------------------
// wxDataViewColumn
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewColumn : public wxDataViewColumnBase
{
public:
wxDataViewColumn(const wxString& title,
wxDataViewRenderer *renderer,
unsigned int model_column,
int width = wxDVC_DEFAULT_WIDTH,
wxAlignment align = wxALIGN_CENTER,
int flags = wxDATAVIEW_COL_RESIZABLE)
: wxDataViewColumnBase(renderer, model_column),
m_title(title)
{
Init(width, align, flags);
}
wxDataViewColumn(const wxBitmap& bitmap,
wxDataViewRenderer *renderer,
unsigned int model_column,
int width = wxDVC_DEFAULT_WIDTH,
wxAlignment align = wxALIGN_CENTER,
int flags = wxDATAVIEW_COL_RESIZABLE)
: wxDataViewColumnBase(bitmap, renderer, model_column)
{
Init(width, align, flags);
}
// implement wxHeaderColumnBase methods
virtual void SetTitle(const wxString& title) { m_title = title; }
virtual wxString GetTitle() const { return m_title; }
virtual void SetWidth(int width) { m_width = width; }
virtual int GetWidth() const { return m_width; }
virtual void SetMinWidth(int minWidth) { m_minWidth = minWidth; }
virtual int GetMinWidth() const { return m_minWidth; }
virtual void SetAlignment(wxAlignment align) { m_align = align; }
virtual wxAlignment GetAlignment() const { return m_align; }
virtual void SetFlags(int flags) { m_flags = flags; }
virtual int GetFlags() const { return m_flags; }
virtual void SetAsSortKey(bool sort = true) { m_sort = sort; }
virtual bool IsSortKey() const { return m_sort; }
virtual void SetSortOrder(bool ascending) { m_sortAscending = ascending; }
virtual bool IsSortOrderAscending() const { return m_sortAscending; }
private:
// common part of all ctors
void Init(int width, wxAlignment align, int flags)
{
m_width = width == wxCOL_WIDTH_DEFAULT ? wxDVC_DEFAULT_WIDTH : width;
m_minWidth = 0;
m_align = align;
m_flags = flags;
m_sort = false;
m_sortAscending = true;
}
wxString m_title;
int m_width,
m_minWidth;
wxAlignment m_align;
int m_flags;
bool m_sort,
m_sortAscending;
friend class wxDataViewHeaderWindowBase;
friend class wxDataViewHeaderWindow;
friend class wxDataViewHeaderWindowMSW;
};
// ---------------------------------------------------------
// wxDataViewCtrl
// ---------------------------------------------------------
WX_DECLARE_LIST_WITH_DECL(wxDataViewColumn, wxDataViewColumnList,
class WXDLLIMPEXP_ADV);
class WXDLLIMPEXP_ADV wxDataViewCtrl : public wxDataViewCtrlBase,
public wxScrollHelper
{
friend class wxDataViewMainWindow;
friend class wxDataViewHeaderWindowBase;
friend class wxDataViewHeaderWindow;
friend class wxDataViewHeaderWindowMSW;
friend class wxDataViewColumn;
public:
wxDataViewCtrl() : wxScrollHelper(this)
{
Init();
}
wxDataViewCtrl( wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxValidator& validator = wxDefaultValidator )
: wxScrollHelper(this)
{
Create(parent, id, pos, size, style, validator );
}
virtual ~wxDataViewCtrl();
void Init();
bool Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxValidator& validator = wxDefaultValidator );
virtual bool AssociateModel( wxDataViewModel *model );
virtual bool AppendColumn( wxDataViewColumn *col );
virtual bool PrependColumn( wxDataViewColumn *col );
virtual bool InsertColumn( unsigned int pos, wxDataViewColumn *col );
virtual void DoSetExpanderColumn();
virtual void DoSetIndent();
virtual unsigned int GetColumnCount() const;
virtual wxDataViewColumn* GetColumn( unsigned int pos ) const;
virtual bool DeleteColumn( wxDataViewColumn *column );
virtual bool ClearColumns();
virtual int GetColumnPosition( const wxDataViewColumn *column ) const;
virtual wxDataViewColumn *GetSortingColumn() const;
virtual wxDataViewItem GetSelection() const;
virtual int GetSelections( wxDataViewItemArray & sel ) const;
virtual void SetSelections( const wxDataViewItemArray & sel );
virtual void Select( const wxDataViewItem & item );
virtual void Unselect( const wxDataViewItem & item );
virtual bool IsSelected( const wxDataViewItem & item ) const;
virtual void SelectAll();
virtual void UnselectAll();
virtual void EnsureVisible( const wxDataViewItem & item,
const wxDataViewColumn *column = NULL );
virtual void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const;
virtual wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn *column = NULL ) const;
virtual void Expand( const wxDataViewItem & item );
virtual void Collapse( const wxDataViewItem & item );
virtual bool IsExpanded( const wxDataViewItem & item ) const;
virtual void SetFocus();
#if wxUSE_DRAG_AND_DROP
virtual bool EnableDragSource( const wxDataFormat &format );
virtual bool EnableDropTarget( const wxDataFormat &format );
#endif // wxUSE_DRAG_AND_DROP
virtual wxBorder GetDefaultBorder() const;
protected:
virtual int GetSelections( wxArrayInt & sel ) const;
virtual void SetSelections( const wxArrayInt & sel );
virtual void Select( int row );
virtual void Unselect( int row );
virtual bool IsSelected( int row ) const;
virtual void SelectRange( int from, int to );
virtual void UnselectRange( int from, int to );
virtual void EnsureVisible( int row, int column );
virtual wxDataViewItem GetItemByRow( unsigned int row ) const;
virtual int GetRowByItem( const wxDataViewItem & item ) const;
int GetSortingColumnIndex() const { return m_sortingColumnIdx; }
void SetSortingColumnIndex(int idx) { m_sortingColumnIdx = idx; }
public: // utility functions not part of the API
// returns the "best" width for the idx-th column
unsigned int GetBestColumnWidth(int WXUNUSED(idx)) const
{
return GetClientSize().GetWidth() / GetColumnCount();
}
// called by header window after reorder
void ColumnMoved( wxDataViewColumn* col, unsigned int new_pos );
// update the display after a change to an individual column
void OnColumnChange(unsigned int idx);
// update after a change to the number of columns
void OnColumnsCountChanged();
wxWindow *GetMainWindow() { return (wxWindow*) m_clientArea; }
// return the index of the given column in m_cols
int GetColumnIndex(const wxDataViewColumn *column) const;
// return the column displayed at the given position in the control
wxDataViewColumn *GetColumnAt(unsigned int pos) const;
private:
wxDataViewColumnList m_cols;
wxDataViewModelNotifier *m_notifier;
wxDataViewMainWindow *m_clientArea;
wxDataViewHeaderWindow *m_headerArea;
// the index of the column currently used for sorting or -1
int m_sortingColumnIdx;
private:
void OnSize( wxSizeEvent &event );
virtual wxSize GetSizeAvailableForScrollTarget(const wxSize& size);
// we need to return a special WM_GETDLGCODE value to process just the
// arrows but let the other navigation characters through
#ifdef __WXMSW__
virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
#endif // __WXMSW__
WX_FORWARD_TO_SCROLL_HELPER()
private:
DECLARE_DYNAMIC_CLASS(wxDataViewCtrl)
wxDECLARE_NO_COPY_CLASS(wxDataViewCtrl);
DECLARE_EVENT_TABLE()
};
#endif // __GENERICDATAVIEWCTRLH__