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campo-sirio/xvaga/treelistctrl.h
guy 377c121076 Patch level : 10.0 
Files correlati     :
Ricompilazione Demo : [ ]
Commento            :
Riportato wxTreeListCtrl Dalla 11.0


git-svn-id: svn://10.65.10.50/branches/R_10_00@21912 c028cbd2-c16b-5b4b-a496-9718f37d4682
2011-04-06 14:09:31 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: treelistctrl.h
// Purpose: wxTreeListCtrl class
// Author: Robert Roebling
// Maintainer: Otto Wyss
// Created: 01/02/97
// RCS-ID: $Id: treelistctrl.h,v 1.1.2.1 2011-04-06 14:09:31 guy Exp $
// Copyright: (c) 2004 Robert Roebling, Julian Smart, Alberto Griggio,
// Vadim Zeitlin, Otto Wyss
// Licence: wxWindows
/////////////////////////////////////////////////////////////////////////////
#ifndef TREELISTCTRL_H
#define TREELISTCTRL_H
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "treelistctrl.h"
#endif
#include <wx/treectrl.h>
#include <wx/listctrl.h> // for wxListEvent
class WXDLLEXPORT wxTreeListItem;
class WXDLLEXPORT wxTreeListHeaderWindow;
class WXDLLEXPORT wxTreeListMainWindow;
#define wxTR_COLUMN_LINES 0x1000 // put border around items
#define wxTR_VIRTUAL 0x4000 // The application provides items text on demand.
// Using this typedef removes an ambiguity when calling Remove()
#ifdef __WXMSW__
#if !wxCHECK_VERSION(2, 5, 0)
typedef long wxTreeItemIdValue;
#else
typedef void *wxTreeItemIdValue;
#endif
#endif
//-----------------------------------------------------------------------------
// wxTreeListColumnAttrs
//-----------------------------------------------------------------------------
enum {
DEFAULT_COL_WIDTH = 100
};
class /*WXDLLEXPORT*/ wxTreeListColumnInfo: public wxObject {
public:
wxTreeListColumnInfo (const wxString &text = wxEmptyString,
int width = DEFAULT_COL_WIDTH,
int flag = wxALIGN_LEFT,
int image = -1,
bool shown = true,
bool edit = false) {
m_text = text;
m_width = width;
m_flag = flag;
m_image = image;
m_selected_image = -1;
m_shown = shown;
m_edit = edit;
}
wxTreeListColumnInfo (const wxTreeListColumnInfo& other) {
m_text = other.m_text;
m_width = other.m_width;
m_flag = other.m_flag;
m_image = other.m_image;
m_selected_image = other.m_selected_image;
m_shown = other.m_shown;
m_edit = other.m_edit;
}
~wxTreeListColumnInfo() {}
// get/set
wxString GetText() const { return m_text; }
wxTreeListColumnInfo& SetText (const wxString& text) { m_text = text; return *this; }
int GetWidth() const { return m_width; }
wxTreeListColumnInfo& SetWidth (int width) { m_width = width; return *this; }
int GetAlignment() const { return m_flag; }
wxTreeListColumnInfo& SetAlignment (int flag) { m_flag = flag; return *this; }
int GetImage() const { return m_image; }
wxTreeListColumnInfo& SetImage (int image) { m_image = image; return *this; }
int GetSelectedImage() const { return m_selected_image; }
wxTreeListColumnInfo& SetSelectedImage (int image) { m_selected_image = image; return *this; }
bool IsEditable() const { return m_edit; }
wxTreeListColumnInfo& SetEditable (bool edit)
{ m_edit = edit; return *this; }
bool IsShown() const { return m_shown; }
wxTreeListColumnInfo& SetShown(bool shown) { m_shown = shown; return *this; }
private:
wxString m_text;
int m_width;
int m_flag;
int m_image;
int m_selected_image;
bool m_shown;
bool m_edit;
};
//----------------------------------------------------------------------------
// wxTreeListCtrl - the multicolumn tree control
//----------------------------------------------------------------------------
// modes for navigation
const int wxTL_MODE_NAV_FULLTREE = 0x0000; // default
const int wxTL_MODE_NAV_EXPANDED = 0x0001;
const int wxTL_MODE_NAV_VISIBLE = 0x0002;
const int wxTL_MODE_NAV_LEVEL = 0x0004;
// modes for FindItem
const int wxTL_MODE_FIND_EXACT = 0x0000; // default
const int wxTL_MODE_FIND_PARTIAL = 0x0010;
const int wxTL_MODE_FIND_NOCASE = 0x0020;
// additional flag for HitTest
const int wxTREE_HITTEST_ONITEMCOLUMN = 0x2000;
extern /*WXDLLEXPORT*/ const wxChar* wxTreeListCtrlNameStr;
class /*WXDLLEXPORT*/ wxTreeListCtrl : public wxControl
{
friend class wxTreeListHeaderWindow;
friend class wxTreeListMainWindow;
friend class wxTreeListItem;
public:
// creation
// --------
wxTreeListCtrl()
: m_header_win(0), m_main_win(0), m_headerHeight(0)
{}
wxTreeListCtrl(wxWindow *parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxTR_DEFAULT_STYLE,
const wxValidator &validator = wxDefaultValidator,
const wxString& name = wxTreeListCtrlNameStr )
: m_header_win(0), m_main_win(0), m_headerHeight(0)
{
Create(parent, id, pos, size, style, validator, name);
}
virtual ~wxTreeListCtrl() {}
bool Create(wxWindow *parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxTR_DEFAULT_STYLE,
const wxValidator &validator = wxDefaultValidator,
const wxString& name = wxTreeListCtrlNameStr );
void Refresh(bool erase=TRUE, const wxRect* rect=NULL);
void SetFocus();
// accessors
// ---------
// get the total number of items in the control
size_t GetCount() const;
// indent is the number of pixels the children are indented relative to
// the parents position. SetIndent() also redraws the control
// immediately.
unsigned int GetIndent() const;
void SetIndent(unsigned int indent);
// line spacing is the space above and below the text on each line
unsigned int GetLineSpacing() const;
void SetLineSpacing(unsigned int spacing);
// image list: these functions allow to associate an image list with
// the control and retrieve it. Note that when assigned with
// SetImageList, the control does _not_ delete
// the associated image list when it's deleted in order to allow image
// lists to be shared between different controls. If you use
// AssignImageList, the control _does_ delete the image list.
//
// The normal image list is for the icons which correspond to the
// normal tree item state (whether it is selected or not).
// Additionally, the application might choose to show a state icon
// which corresponds to an app-defined item state (for example,
// checked/unchecked) which are taken from the state image list.
wxImageList *GetImageList() const;
wxImageList *GetStateImageList() const;
wxImageList *GetButtonsImageList() const;
void SetImageList(wxImageList *imageList);
void SetStateImageList(wxImageList *imageList);
void SetButtonsImageList(wxImageList *imageList);
void AssignImageList(wxImageList *imageList);
void AssignStateImageList(wxImageList *imageList);
void AssignButtonsImageList(wxImageList *imageList);
void SetToolTip(const wxString& tip);
void SetToolTip (wxToolTip *tip);
void SetItemToolTip(const wxTreeItemId& item, const wxString &tip);
// Functions to work with columns
// adds a column
void AddColumn (const wxString& text,
int width = DEFAULT_COL_WIDTH,
int flag = wxALIGN_LEFT,
int image = -1,
bool shown = true,
bool edit = false) {
AddColumn (wxTreeListColumnInfo (text, width, flag, image, shown, edit));
}
void AddColumn (const wxTreeListColumnInfo& colInfo);
// inserts a column before the given one
void InsertColumn (int before,
const wxString& text,
int width = DEFAULT_COL_WIDTH,
int flag = wxALIGN_LEFT,
int image = -1,
bool shown = true,
bool edit = false) {
InsertColumn (before,
wxTreeListColumnInfo (text, width, flag, image, shown, edit));
}
void InsertColumn (int before, const wxTreeListColumnInfo& colInfo);
// deletes the given column - does not delete the corresponding column
void RemoveColumn (int column);
// returns the number of columns in the ctrl
int GetColumnCount() const;
// tells which column is the "main" one, i.e. the "threaded" one
void SetMainColumn (int column);
int GetMainColumn() const;
void SetColumn (int column, const wxTreeListColumnInfo& colInfo);
wxTreeListColumnInfo& GetColumn (int column);
const wxTreeListColumnInfo& GetColumn (int column) const;
void SetColumnText (int column, const wxString& text);
wxString GetColumnText (int column) const;
void SetColumnWidth (int column, int width);
int GetColumnWidth (int column) const;
void SetColumnAlignment (int column, int flag);
int GetColumnAlignment (int column) const;
void SetColumnImage (int column, int image);
int GetColumnImage (int column) const;
void SetColumnShown (int column, bool shown = true);
bool IsColumnShown (int column) const;
void SetColumnEditable (int column, bool edit = true);
bool IsColumnEditable (int column) const;
// Functions to work with items.
// accessors
// ---------
// retrieve item's label (of the main column)
wxString GetItemText (const wxTreeItemId& item) const
{ return GetItemText (item, GetMainColumn()); }
// retrieves item's label of the given column
wxString GetItemText (const wxTreeItemId& item, int column) const;
// get one of the images associated with the item (normal by default)
int GetItemImage (const wxTreeItemId& item,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const
{ return GetItemImage (item, GetMainColumn(), which); }
int GetItemImage (const wxTreeItemId& item, int column,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
// get the data associated with the item
wxTreeItemData *GetItemData (const wxTreeItemId& item) const;
bool GetItemBold (const wxTreeItemId& item) const;
wxColour GetItemTextColour (const wxTreeItemId& item) const;
wxColour GetItemBackgroundColour (const wxTreeItemId& item) const;
wxFont GetItemFont (const wxTreeItemId& item) const;
// modifiers
// set item's label
void SetItemText (const wxTreeItemId& item, const wxString& text)
{ SetItemText (item, GetMainColumn(), text); }
void SetItemText (const wxTreeItemId& item, int column, const wxString& text);
// get one of the images associated with the item (normal by default)
void SetItemImage (const wxTreeItemId& item, int image,
wxTreeItemIcon which = wxTreeItemIcon_Normal)
{ SetItemImage (item, GetMainColumn(), image, which); }
// the which parameter is ignored for all columns but the main one
void SetItemImage (const wxTreeItemId& item, int column, int image,
wxTreeItemIcon which = wxTreeItemIcon_Normal);
// associate some data with the item
void SetItemData (const wxTreeItemId& item, wxTreeItemData *data);
// force appearance of [+] button near the item. This is useful to
// allow the user to expand the items which don't have any children now
// - but instead add them only when needed, thus minimizing memory
// usage and loading time.
void SetItemHasChildren(const wxTreeItemId& item, bool has = true);
// the item will be shown in bold
void SetItemBold (const wxTreeItemId& item, bool bold = true);
// set the item's text colour
void SetItemTextColour (const wxTreeItemId& item, const wxColour& colour);
// set the item's background colour
void SetItemBackgroundColour (const wxTreeItemId& item, const wxColour& colour);
// set the item's font (should be of the same height for all items)
void SetItemFont (const wxTreeItemId& item, const wxFont& font);
// set the window font
virtual bool SetFont ( const wxFont &font );
// set the styles.
void SetWindowStyle (const long styles);
long GetWindowStyle() const;
long GetWindowStyleFlag () const { return GetWindowStyle(); }
// item status inquiries
// ---------------------
// is the item visible (it might be outside the view or not expanded)?
bool IsVisible (const wxTreeItemId& item, bool fullRow = false, bool within = true) const;
// does the item has any children?
bool HasChildren (const wxTreeItemId& item) const;
// is the item expanded (only makes sense if HasChildren())?
bool IsExpanded (const wxTreeItemId& item) const;
// is this item currently selected (the same as has focus)?
bool IsSelected (const wxTreeItemId& item) const;
// is item text in bold font?
bool IsBold (const wxTreeItemId& item) const;
// does the layout include space for a button?
// number of children
// ------------------
// if 'recursively' is FALSE, only immediate children count, otherwise
// the returned number is the number of all items in this branch
size_t GetChildrenCount (const wxTreeItemId& item, bool recursively = true);
// navigation
// ----------
// wxTreeItemId.IsOk() will return FALSE if there is no such item
// get the root tree item
wxTreeItemId GetRootItem() const;
// get the item currently selected (may return NULL if no selection)
wxTreeItemId GetSelection() const;
// get the items currently selected, return the number of such item
size_t GetSelections (wxArrayTreeItemIds&) const;
// get the parent of this item (may return NULL if root)
wxTreeItemId GetItemParent (const wxTreeItemId& item) const;
// for this enumeration function you must pass in a "cookie" parameter
// which is opaque for the application but is necessary for the library
// to make these functions reentrant (i.e. allow more than one
// enumeration on one and the same object simultaneously). Of course,
// the "cookie" passed to GetFirstChild() and GetNextChild() should be
// the same!
// get child of this item
#if !wxCHECK_VERSION(2, 5, 0)
wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const;
wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const;
wxTreeItemId GetPrevChild(const wxTreeItemId& item, long& cookie) const;
wxTreeItemId GetLastChild(const wxTreeItemId& item, long& cookie) const;
#else
wxTreeItemId GetFirstChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
wxTreeItemId GetNextChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
wxTreeItemId GetPrevChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
wxTreeItemId GetLastChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
#endif
// get sibling of this item
wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
// get item in the full tree (currently only for internal use)
wxTreeItemId GetNext(const wxTreeItemId& item) const;
wxTreeItemId GetPrev(const wxTreeItemId& item) const;
// get expanded item, see IsExpanded()
wxTreeItemId GetFirstExpandedItem() const;
wxTreeItemId GetNextExpanded(const wxTreeItemId& item) const;
wxTreeItemId GetPrevExpanded(const wxTreeItemId& item) const;
// get visible item, see IsVisible()
wxTreeItemId GetFirstVisibleItem( bool fullRow = false) const;
wxTreeItemId GetFirstVisible( bool fullRow = false, bool within = true) const;
wxTreeItemId GetNextVisible (const wxTreeItemId& item, bool fullRow = false, bool within = true) const;
wxTreeItemId GetPrevVisible (const wxTreeItemId& item, bool fullRow = false, bool within = true) const;
wxTreeItemId GetLastVisible ( bool fullRow = false, bool within = true) const;
// operations
// ----------
// add the root node to the tree
wxTreeItemId AddRoot (const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item in as the first child of the parent
wxTreeItemId PrependItem (const wxTreeItemId& parent,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item after a given one
wxTreeItemId InsertItem (const wxTreeItemId& parent,
const wxTreeItemId& idPrevious,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item before the one with the given index
wxTreeItemId InsertItem (const wxTreeItemId& parent,
size_t index,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item in as the last child of the parent
wxTreeItemId AppendItem (const wxTreeItemId& parent,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// delete this item (except root) + children and associated data if any
void Delete (const wxTreeItemId& item);
// delete all children (but don't delete the item itself)
void DeleteChildren (const wxTreeItemId& item);
// delete the root and all its children from the tree
void DeleteRoot();
// expand this item
void Expand (const wxTreeItemId& item);
// expand this item and all subitems recursively
void ExpandAll (const wxTreeItemId& item);
// collapse the item without removing its children
void Collapse (const wxTreeItemId& item);
// collapse the item and remove all children
void CollapseAndReset(const wxTreeItemId& item); //? TODO ???
// toggles the current state
void Toggle (const wxTreeItemId& item);
// remove the selection from currently selected item (if any)
void Unselect();
void UnselectAll();
// select this item - return true if selection was allowed (no veto)
bool SelectItem (const wxTreeItemId& item,
const wxTreeItemId& last = (wxTreeItemId*)NULL,
bool unselect_others = true);
// select all items in the expanded tree
void SelectAll();
// make sure this item is visible (expanding the parent item and/or
// scrolling to this item if necessary)
void EnsureVisible (const wxTreeItemId& item);
// scroll to this item (but don't expand its parent)
void ScrollTo (const wxTreeItemId& item);
// The first function is more portable (because easier to implement
// on other platforms), but the second one returns some extra info.
wxTreeItemId HitTest (const wxPoint& point)
{ int flags; int column; return HitTest (point, flags, column); }
wxTreeItemId HitTest (const wxPoint& point, int& flags)
{ int column; return HitTest (point, flags, column); }
wxTreeItemId HitTest (const wxPoint& point, int& flags, int& column);
// get the bounding rectangle of the item (or of its label only)
bool GetBoundingRect (const wxTreeItemId& item, wxRect& rect,
bool textOnly = false) const;
// Start editing the item label: this (temporarily) replaces the item
// with a one line edit control. The item will be selected if it hadn't
// been before.
void EditLabel (const wxTreeItemId& item)
{ EditLabel (item, GetMainColumn()); }
// edit item's label of the given column
void EditLabel (const wxTreeItemId& item, int column);
// virtual mode
virtual wxString OnGetItemText( wxTreeItemData* item, long column ) const;
// sorting
// this function is called to compare 2 items and should return -1, 0
// or +1 if the first item is less than, equal to or greater than the
// second one. The base class version performs alphabetic comparaison
// of item labels (GetText)
virtual int OnCompareItems (const wxTreeItemId& item1, const wxTreeItemId& item2);
// sort the children of this item using OnCompareItems
// NB: this function is not reentrant and not MT-safe (FIXME)!
void SortChildren(const wxTreeItemId& item);
// searching
wxTreeItemId FindItem (const wxTreeItemId& item, const wxString& str, int mode = 0);
// overridden base class virtuals
virtual bool SetBackgroundColour (const wxColour& colour);
virtual bool SetForegroundColour (const wxColour& colour);
// drop over item
void SetDragItem (const wxTreeItemId& item = (wxTreeItemId*)NULL);
virtual wxSize DoGetBestSize() const;
protected:
// header window, responsible for column visualization and manipulation
wxTreeListHeaderWindow* GetHeaderWindow() const
{ return m_header_win; }
wxTreeListHeaderWindow* m_header_win; // future cleanup: make private or remove GetHeaderWindow()
// main window, the "true" tree ctrl
wxTreeListMainWindow* GetMainWindow() const
{ return m_main_win; }
wxTreeListMainWindow* m_main_win; // future cleanup: make private or remove GetMainWindow()
int GetHeaderHeight() const { return m_headerHeight; }
void CalculateAndSetHeaderHeight();
void DoHeaderLayout();
void OnSize(wxSizeEvent& event);
private:
int m_headerHeight;
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxTreeListCtrl)
};
#endif // TREELISTCTRL_H
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