wxWidgets/contrib/include/wx/xml/xmlres.h
Václav Slavík 09dc1241b7 added AddWindowStyles
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8200 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-08-27 20:52:36 +00:00

284 lines
10 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: xmlres.h
// Purpose: XML resources
// Author: Vaclav Slavik
// Created: 2000/03/05
// RCS-ID: $Id$
// Copyright: (c) 2000 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_XMLRES_H_
#define _WX_XMLRES_H_
#ifdef __GNUG__
#pragma interface "xmlres.h"
#endif
#include "wx/defs.h"
#include "wx/string.h"
#include "wx/dynarray.h"
#include "wx/datetime.h"
#include "wx/list.h"
#include "wx/gdicmn.h"
#include "wx/filesys.h"
#include "wx/bitmap.h"
#include "wx/icon.h"
class WXDLLEXPORT wxMenu;
class WXDLLEXPORT wxMenuBar;
class WXDLLEXPORT wxDialog;
class WXDLLEXPORT wxPanel;
class WXDLLEXPORT wxWindow;
class WXDLLEXPORT wxToolBar;
class WXDLLEXPORT wxXmlResourceHandler;
#include "wx/xml/xml.h"
class WXDLLEXPORT wxXmlResourceDataRecord
{
public:
wxXmlResourceDataRecord() : Doc(NULL), Time(wxDateTime::Now()) {}
~wxXmlResourceDataRecord() {delete Doc;}
wxString File;
wxXmlDocument *Doc;
wxDateTime Time;
};
WX_DECLARE_EXPORTED_OBJARRAY(wxXmlResourceDataRecord, wxXmlResourceDataRecords);
// This class holds XML resources from one or more .xml files
// (or derived forms, either binary or zipped -- see manual for
// details).
class WXDLLEXPORT wxXmlResource : public wxObject
{
public:
wxXmlResource();
wxXmlResource(const wxString& filemask);
~wxXmlResource();
// Loads resources from XML files that match given filemask.
// This method understands VFS (see filesys.h).
bool Load(const wxString& filemask);
// Initialize handlers for all supported controls/windows. This will
// make the executable quite big because it forces linking against
// most of wxWin library
void InitAllHandlers();
// Initialize only specific handler (or custom handler). Convention says
// that handler name is equal to control's name plus 'XmlHandler', e.g.
// wxTextCtrlXmlHandler, wxHtmlWindowXmlHandler. XML resource compiler
// (xmlres) can create include file that contains initialization code for
// all controls used within the resource.
void AddHandler(wxXmlResourceHandler *handler);
// Removes all handlers
void ClearHandlers();
// Loads menu from resource. Returns NULL on failure.
wxMenu *LoadMenu(const wxString& name);
// Loads menubar from resource. Returns NULL on failure.
wxMenuBar *LoadMenuBar(const wxString& name);
#if wxUSE_TOOLBAR
// Loads toolbar
wxToolBar *LoadToolBar(wxWindow *parent, const wxString& name);
#endif
// Loads dialog. dlg points to parent window (if any). Second form
// is used to finish creation of already existing instance (main reason
// for this is that you may want to use derived class with new event table)
// Example (typical usage):
// MyDialog dlg;
// wxTheXmlResource->LoadDialog(&dlg, mainFrame, "my_dialog");
// dlg->ShowModal();
wxDialog *LoadDialog(wxWindow *parent, const wxString& name);
bool LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name);
// Loads panel. panel points to parent window (if any). Second form
// is used to finish creation of already existing instance.
wxPanel *LoadPanel(wxWindow *parent, const wxString& name);
bool LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name);
// Returns numeric ID that is equivalent to string id used in XML
// resource. To be used in event tables
// Macro XMLID is provided for convenience
static int GetXMLID(const char *str_id);
protected:
// Scans resources list for unloaded files and loads them. Also reloads
// files that have been modified since last loading.
void UpdateResources();
// Finds resource (calls UpdateResources) and returns node containing it
wxXmlNode *FindResource(const wxString& name, const wxString& type);
// Creates resource from info in given node:
wxObject *CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance = NULL);
// Remove nodes with property "platform" that does not
// match current platform
void ProcessPlatformProperty(wxXmlNode *node);
private:
wxList m_Handlers;
wxXmlResourceDataRecords m_Data;
#if wxUSE_FILESYSTEM
wxFileSystem m_CurFileSystem;
wxFileSystem& GetCurFileSystem() { return m_CurFileSystem; }
#endif
friend class wxXmlResourceHandler;
};
// Global instance of resource class. For your convenience.
extern wxXmlResource *wxTheXmlResource;
// This macro translates string identifier (as used in XML resource,
// e.g. <menuitem id="my_menu">...</menuitem>) to integer id that is needed by
// wxWindows event tables.
// Example:
// BEGIN_EVENT_TABLE(MyFrame, wxFrame)
// EVT_MENU(XMLID("quit"), MyFrame::OnQuit)
// EVT_MENU(XMLID("about"), MyFrame::OnAbout)
// EVT_MENU(XMLID("new"), MyFrame::OnNew)
// EVT_MENU(XMLID("open"), MyFrame::OnOpen)
// END_EVENT_TABLE()
#define XMLID(str_id) \
wxXmlResource::GetXMLID(_T(str_id))
// This macro returns pointer to particular control in dialog
// created using XML resources. You can use it to set/get values from
// controls.
// Example:
// wxDialog dlg;
// wxTheXmlResource->LoadDialog(&dlg, mainFrame, "my_dialog");
// XMLCTRL(dlg, "my_textctrl", wxTextCtrl)->SetValue(_T("default value"));
#define XMLCTRL(window, id, type) \
((type*)((window).FindWindow(XMLID(id))))
class WXDLLEXPORT wxXmlResourceHandler : public wxObject
{
public:
wxXmlResourceHandler();
virtual ~wxXmlResourceHandler() {}
// Creates object (menu, dialog, control, ...) from XML node.
// Should check for validity.
// parent is higher-level object (usually window, dialog or panel)
// that is often neccessary to create resource
// if instance != NULL it should not create new instance via 'new' but
// rather use this one and call its Create method
wxObject *CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance);
// This one is called from CreateResource after variables
// were filled
virtual wxObject *DoCreateResource() = 0;
// Returns TRUE if it understands this node and can create
// resource from it, FALSE otherwise.
virtual bool CanHandle(wxXmlNode *node) = 0;
void SetParentResource(wxXmlResource *res) { m_Resource = res; }
protected:
wxXmlResource *m_Resource;
wxArrayString m_StyleNames;
wxArrayInt m_StyleValues;
// Variables (filled by CreateResource)
wxXmlNode *m_Node;
wxObject *m_Parent, *m_Instance;
wxWindow *m_ParentAsWindow, *m_InstanceAsWindow;
// --- Handy methods:
// Gets node content from wxXML_ENTITY_NODE
// (the problem is, <tag>content<tag> is represented as
// wxXML_ENTITY_NODE name="tag", content=""
// |-- wxXML_TEXT_NODE or
// wxXML_CDATA_SECTION_NODE name="" content="content"
wxString GetNodeContent(wxXmlNode *node);
// Check to see if a param exists
bool HasParam(const wxString& param);
// Finds the node or returns NULL
wxXmlNode *GetParamNode(const wxString& param);
wxString GetParamValue(const wxString& param);
// Add style flag (e.g. wxMB_DOCKABLE) to list of flags
// understood by this handler
void AddStyle(const wxString& name, int value);
// Add styles common to all wxWindow-derived classes
void AddWindowStyles();
// Gets style flags from text in form "flag | flag2| flag3 |..."
// Only understads flags added with AddStyle
int GetStyle(const wxString& param = _T("style"), int defaults = 0);
// Gets text from param and does some convertions:
// - replaces \n, \r, \t by respective chars (according to C syntax)
// - replaces $ by & and $$ by $ (needed for $File => &File because of XML)
// - converts encodings if neccessary
wxString GetText(const wxString& param);
// Return XMLID
int GetID();
wxString GetName();
// Get bool flag (1,t,yes,on,true are TRUE, everything else is FALSE)
bool GetBool(const wxString& param, bool defaultv = FALSE);
// Get integer value from param
long GetLong( const wxString& param, long defaultv = 0 );
// Get colour in HTML syntax (#RRGGBB)
wxColour GetColour(const wxString& param);
// Get size/position (may be in dlg units):
wxSize GetSize(const wxString& param = _T("size"));
wxPoint GetPosition(const wxString& param = _T("pos"));
// Get dimension (may be in dlg units):
wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0);
// Get bitmap:
wxBitmap GetBitmap(const wxString& param = _T("bitmap"), wxSize size = wxDefaultSize);
wxIcon GetIcon(const wxString& param = _T("icon"), wxSize size = wxDefaultSize);
// Sets common window options:
void SetupWindow(wxWindow *wnd);
void CreateChildren(wxObject *parent, bool only_this_handler = FALSE,
wxXmlNode *children_node = NULL /*stands for
GetParamNode("children")*/);
wxObject *CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance = NULL)
{ return m_Resource->CreateResFromNode(node, parent, instance); }
// helper
wxFileSystem& GetCurFileSystem() { return m_Resource->GetCurFileSystem(); }
};
#define ADD_STYLE(style) AddStyle(_T(#style), style)
#endif // _WX_XMLRES_H_