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xmlres.cpp
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2002-08-27
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/////////////////////////////////////////////////////////////////////////////
// Name: xmlres.cpp
// Purpose: XRC resources
// Author: Vaclav Slavik
// Created: 2000/03/05
// RCS-ID: $Id: xmlres.cpp,v 1.22 2002/08/25 12:14:37 VS Exp $
// Copyright: (c) 2000 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "xmlres.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/dialog.h"
#include "wx/panel.h"
#include "wx/frame.h"
#include "wx/wfstream.h"
#include "wx/filesys.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/tokenzr.h"
#include "wx/fontenum.h"
#include "wx/module.h"
#include "wx/bitmap.h"
#include "wx/image.h"
#include "wx/fontmap.h"
#include "wx/artprov.h"
#include "wx/xrc/xml.h"
#include "wx/xrc/xmlres.h"
#include "wx/arrimpl.cpp"
WX_DEFINE_OBJARRAY(wxXmlResourceDataRecords);
wxXmlResource *wxXmlResource::ms_instance = NULL;
/*static*/ wxXmlResource *wxXmlResource::Get()
{
if ( !ms_instance )
ms_instance = new wxXmlResource;
return ms_instance;
}
/*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
{
wxXmlResource *old = ms_instance;
ms_instance = res;
return old;
}
wxXmlResource::wxXmlResource(int flags)
{
m_handlers.DeleteContents(TRUE);
m_flags = flags;
m_version = -1;
}
wxXmlResource::wxXmlResource(const wxString& filemask, int flags)
{
m_flags = flags;
m_version = -1;
m_handlers.DeleteContents(TRUE);
Load(filemask);
}
wxXmlResource::~wxXmlResource()
{
ClearHandlers();
}
bool wxXmlResource::Load(const wxString& filemask)
{
wxString fnd;
wxXmlResourceDataRecord *drec;
bool iswild = wxIsWild(filemask);
bool rt = TRUE;
#if wxUSE_FILESYSTEM
wxFileSystem fsys;
# define wxXmlFindFirst fsys.FindFirst(filemask, wxFILE)
# define wxXmlFindNext fsys.FindNext()
#else
# define wxXmlFindFirst wxFindFirstFile(filemask, wxFILE)
# define wxXmlFindNext wxFindNextFile()
#endif
if (iswild)
fnd = wxXmlFindFirst;
else
fnd = filemask;
while (!!fnd)
{
#if wxUSE_FILESYSTEM
if (filemask.Lower().Matches(wxT("*.zip")) ||
filemask.Lower().Matches(wxT("*.xrs")))
{
rt = rt && Load(fnd + wxT("#zip:*.xmlbin"));
rt = rt && Load(fnd + wxT("#zip:*.xrc"));
}
else
#endif
{
drec = new wxXmlResourceDataRecord;
drec->File = fnd;
m_data.Add(drec);
}
if (iswild)
fnd = wxXmlFindNext;
else
fnd = wxEmptyString;
}
# undef wxXmlFindFirst
# undef wxXmlFindNext
return rt;
}
void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
{
m_handlers.Append(handler);
handler->SetParentResource(this);
}
void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
{
m_handlers.Insert(handler);
handler->SetParentResource(this);
}
void wxXmlResource::ClearHandlers()
{
m_handlers.Clear();
}
wxMenu *wxXmlResource::LoadMenu(const wxString& name)
{
return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
}
wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
{
return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
}
#if wxUSE_TOOLBAR
wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
{
return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
}
#endif
wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
{
return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
}
bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
{
return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
}
wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
{
return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
}
bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
{
return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
}
wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
{
return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
}
bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
{
return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
}
wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
{
wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
FindResource(name, wxT("wxBitmap")), NULL, NULL);
wxBitmap rt;
if (bmp) { rt = *bmp; delete bmp; }
return rt;
}
wxIcon wxXmlResource::LoadIcon(const wxString& name)
{
wxIcon *icon = (wxIcon*)CreateResFromNode(
FindResource(name, wxT("wxIcon")), NULL, NULL);
wxIcon rt;
if (icon) { rt = *icon; delete icon; }
return rt;
}
wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
{
return CreateResFromNode(FindResource(name, classname), parent, NULL);
}
bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
{
return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
}
bool wxXmlResource::AttachUnknownControl(const wxString& name,
wxWindow *control, wxWindow *parent)
{
if (parent == NULL)
parent = control->GetParent();
wxWindow *container = parent->FindWindow(name + wxT("_container"));
if (!container)
{
wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
return FALSE;
}
return control->Reparent(container);
}
static void ProcessPlatformProperty(wxXmlNode *node)
{
wxString s;
bool isok;
wxXmlNode *c = node->GetChildren();
while (c)
{
isok = FALSE;
if (!c->GetPropVal(wxT("platform"), &s))
isok = TRUE;
else
{
wxStringTokenizer tkn(s, " |");
while (tkn.HasMoreTokens())
{
s = tkn.GetNextToken();
if (
#ifdef __WXMSW__
s == wxString(wxT("win"))
#elif defined(__UNIX__)
s == wxString(wxT("unix"))
#elif defined(__MAC__)
s == wxString(wxT("mac"))
#elif defined(__OS2__)
s == wxString(wxT("os2"))
#else
FALSE
#endif
) isok = TRUE;
}
}
if (isok)
{
ProcessPlatformProperty(c);
c = c->GetNext();
}
else
{
wxXmlNode *c2 = c->GetNext();
node->RemoveChild(c);
delete c;
c = c2;
}
}
}
void wxXmlResource::UpdateResources()
{
bool modif;
# if wxUSE_FILESYSTEM
wxFSFile *file = NULL;
wxFileSystem fsys;
# endif
wxString encoding(wxT("UTF-8"));
#if !wxUSE_UNICODE && wxUSE_INTL
if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
{
// In case we are not using wxLocale to translate strings, convert the strings
// GUI's charset. This must not be done when wxXRC_USE_LOCALE is on, because
// it could break wxGetTranslation lookup.
encoding = wxLocale::GetSystemEncodingName();
}
#endif
for (size_t i = 0; i < m_data.GetCount(); i++)
{
modif = (m_data[i].Doc == NULL);
if (!modif)
{
# if wxUSE_FILESYSTEM
file = fsys.OpenFile(m_data[i].File);
modif = file && file->GetModificationTime() > m_data[i].Time;
if (!file)
wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
wxDELETE(file);
# else
modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
# endif
}
if (modif)
{
wxInputStream *stream = NULL;
# if wxUSE_FILESYSTEM
file = fsys.OpenFile(m_data[i].File);
if (file)
stream = file->GetStream();
# else
stream = new wxFileInputStream(m_data[i].File);
# endif
if (stream)
{
delete m_data[i].Doc;
m_data[i].Doc = new wxXmlDocument;
}
if (!stream || !m_data[i].Doc->Load(*stream, encoding))
{
wxLogError(_("Cannot load resources from file '%s'."),
m_data[i].File.c_str());
wxDELETE(m_data[i].Doc);
}
else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
{
wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
wxDELETE(m_data[i].Doc);
}
else
{
long version;
int v1, v2, v3, v4;
wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
wxT("version"), wxT("0.0.0.0"));
if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
&v1, &v2, &v3, &v4) == 4)
version = v1*256*256*256+v2*256*256+v3*256+v4;
else
version = 0;
if (m_version == -1)
m_version = version;
if (m_version != version)
wxLogError(_("Resource files must have same version number!"));
ProcessPlatformProperty(m_data[i].Doc->GetRoot());
m_data[i].Time = file->GetModificationTime();
}
# if wxUSE_FILESYSTEM
wxDELETE(file);
# else
wxDELETE(stream);
# endif
}
}
}
wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
const wxString& name,
const wxString& classname,
bool recursive)
{
wxString dummy;
wxXmlNode *node;
// first search for match at the top-level nodes (as this is
// where the resource is most commonly looked for):
for (node = parent->GetChildren(); node; node = node->GetNext())
{
if ( node->GetType() == wxXML_ELEMENT_NODE &&
(node->GetName() == wxT("object") ||
node->GetName() == wxT("object_ref")) &&
(!classname ||
node->GetPropVal(wxT("class"), wxEmptyString) == classname) &&
node->GetPropVal(wxT("name"), &dummy) && dummy == name )
return node;
}
if ( recursive )
for (node = parent->GetChildren(); node; node = node->GetNext())
{
if ( node->GetType() == wxXML_ELEMENT_NODE &&
(node->GetName() == wxT("object") ||
node->GetName() == wxT("object_ref")) )
{
wxXmlNode* found = DoFindResource(node, name, classname, TRUE);
if ( found )
return found;
}
}
return NULL;
}
wxXmlNode *wxXmlResource::FindResource(const wxString& name,
const wxString& classname,
bool recursive)
{
UpdateResources(); //ensure everything is up-to-date
wxString dummy;
for (size_t f = 0; f < m_data.GetCount(); f++)
{
if ( m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL )
continue;
wxXmlNode* found = DoFindResource(m_data[f].Doc->GetRoot(),
name, classname, recursive);
if ( found )
{
#if wxUSE_FILESYSTEM
m_curFileSystem.ChangePathTo(m_data[f].File);
#endif
return found;
}
}
wxLogError(_("XRC resource '%s' (class '%s') not found!"),
name.c_str(), classname.c_str());
return NULL;
}
static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
{
// Merge properties:
for (wxXmlProperty *prop = with.GetProperties(); prop; prop = prop->GetNext())
{
wxXmlProperty *dprop;
for (dprop = dest.GetProperties(); dprop; dprop = dprop->GetNext())
{
if ( dprop->GetName() == prop->GetName() )
{
dprop->SetValue(prop->GetValue());
break;
}
}
if ( !dprop )
dest.AddProperty(prop->GetName(), prop->GetValue());
}
// Merge child nodes:
for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
{
wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
wxXmlNode *dnode;
for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
{
if ( dnode->GetName() == node->GetName() &&
dnode->GetPropVal("name", wxEmptyString) == name &&
dnode->GetType() == node->GetType() )
{
MergeNodes(*dnode, *node);
break;
}
}
if ( !dnode )
dest.AddChild(new wxXmlNode(*node));
}
if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().Length() )
dest.SetContent(with.GetContent());
}
wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance)
{
if (node == NULL) return NULL;
// handling of referenced resource
if ( node->GetName() == wxT("object_ref") )
{
wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
if ( !refNode )
{
wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
refName.c_str());
return NULL;
}
wxXmlNode copy(*refNode);
MergeNodes(copy, *node);
return CreateResFromNode(©, parent, instance);
}
wxXmlResourceHandler *handler;
wxObject *ret;
wxNode * ND = m_handlers.GetFirst();
while (ND)
{
handler = (wxXmlResourceHandler*)ND->GetData();
if (node->GetName() == wxT("object") && handler->CanHandle(node))
{
ret = handler->CreateResource(node, parent, instance);
if (ret) return ret;
}
ND = ND->GetNext();
}
wxLogError(_("No handler found for XML node '%s', class '%s'!"),
node->GetName().c_str(),
node->GetPropVal(wxT("class"), wxEmptyString).c_str());
return NULL;
}
wxXmlResourceHandler::wxXmlResourceHandler()
: m_node(NULL), m_parent(NULL), m_instance(NULL),
m_parentAsWindow(NULL), m_instanceAsWindow(NULL)
{}
wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
{
wxXmlNode *myNode = m_node;
wxString myClass = m_class;
wxObject *myParent = m_parent, *myInstance = m_instance;
wxWindow *myParentAW = m_parentAsWindow, *myInstanceAW = m_instanceAsWindow;
m_instance = instance;
if (!m_instance && node->HasProp(wxT("subclass")) &&
!(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
{
wxString subclass = node->GetPropVal(wxT("subclass"), wxEmptyString);
wxClassInfo* classInfo = wxClassInfo::FindClass(subclass);
if (classInfo)
m_instance = classInfo->CreateObject();
if (!m_instance)
{
wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
subclass.c_str(), node->GetPropVal(wxT("name"), wxEmptyString).c_str());
}
m_instance = classInfo->CreateObject();
}
m_node = node;
m_class = node->GetPropVal(wxT("class"), wxEmptyString);
m_parent = parent;
m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
m_instanceAsWindow = wxDynamicCast(m_instance, wxWindow);
wxObject *returned = DoCreateResource();
m_node = myNode;
m_class = myClass;
m_parent = myParent; m_parentAsWindow = myParentAW;
m_instance = myInstance; m_instanceAsWindow = myInstanceAW;
return returned;
}
void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
{
m_styleNames.Add(name);
m_styleValues.Add(value);
}
void wxXmlResourceHandler::AddWindowStyles()
{
XRC_ADD_STYLE(wxSIMPLE_BORDER);
XRC_ADD_STYLE(wxSUNKEN_BORDER);
XRC_ADD_STYLE(wxDOUBLE_BORDER);
XRC_ADD_STYLE(wxRAISED_BORDER);
XRC_ADD_STYLE(wxSTATIC_BORDER);
XRC_ADD_STYLE(wxNO_BORDER);
XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
XRC_ADD_STYLE(wxWANTS_CHARS);
XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
}
bool wxXmlResourceHandler::HasParam(const wxString& param)
{
return (GetParamNode(param) != NULL);
}
int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
{
wxString s = GetParamValue(param);
if (!s) return defaults;
wxStringTokenizer tkn(s, wxT("| "), wxTOKEN_STRTOK);
int style = 0;
int index;
wxString fl;
while (tkn.HasMoreTokens())
{
fl = tkn.GetNextToken();
index = m_styleNames.Index(fl);
if (index != wxNOT_FOUND)
style |= m_styleValues[index];
else
wxLogError(_("Unknown style flag ") + fl);
}
return style;
}
wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
{
wxString str1(GetParamValue(param));
wxString str2;
const wxChar *dt;
wxChar amp_char;
// VS: First version of XRC resources used $ instead of & (which is
// illegal in XML), but later I realized that '_' fits this purpose
// much better (because &File means "File with F underlined").
if (m_resource->CompareVersion(2,3,0,1) < 0)
amp_char = wxT('$');
else
amp_char = wxT('_');
for (dt = str1.c_str(); *dt; dt++)
{
// Remap amp_char to &, map double amp_char to amp_char (for things
// like "&File..." -- this is illegal in XML, so we use "_File..."):
if (*dt == amp_char)
{
if ( *(++dt) == amp_char )
str2 << amp_char;
else
str2 << wxT('&') << *dt;
}
// Remap \n to CR, \r to LF, \t to TAB:
else if (*dt == wxT('\\'))
switch (*(++dt))
{
case wxT('n') : str2 << wxT('\n'); break;
case wxT('t') : str2 << wxT('\t'); break;
case wxT('r') : str2 << wxT('\r'); break;
default : str2 << wxT('\\') << *dt; break;
}
else str2 << *dt;
}
if (translate && m_resource->GetFlags() & wxXRC_USE_LOCALE)
return wxGetTranslation(str2);
else
return str2;
}
long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
{
long value;
wxString str1 = GetParamValue(param);
if (!str1.ToLong(&value))
value = defaultv;
return value;
}
int wxXmlResourceHandler::GetID()
{
wxString sid = GetName();
long num;
if (sid == wxT("-1")) return -1;
else if (sid.IsNumber() && sid.ToLong(&num)) return num;
#define stdID(id) else if (sid == wxT(#id)) return id
stdID(wxID_OPEN); stdID(wxID_CLOSE); stdID(wxID_NEW);
stdID(wxID_SAVE); stdID(wxID_SAVEAS); stdID(wxID_REVERT);
stdID(wxID_EXIT); stdID(wxID_UNDO); stdID(wxID_REDO);
stdID(wxID_HELP); stdID(wxID_PRINT); stdID(wxID_PRINT_SETUP);
stdID(wxID_PREVIEW); stdID(wxID_ABOUT); stdID(wxID_HELP_CONTENTS);
stdID(wxID_HELP_COMMANDS); stdID(wxID_HELP_PROCEDURES);
stdID(wxID_CUT); stdID(wxID_COPY); stdID(wxID_PASTE);
stdID(wxID_CLEAR); stdID(wxID_FIND); stdID(wxID_DUPLICATE);
stdID(wxID_SELECTALL); stdID(wxID_OK); stdID(wxID_CANCEL);
stdID(wxID_APPLY); stdID(wxID_YES); stdID(wxID_NO);
stdID(wxID_STATIC); stdID(wxID_FORWARD); stdID(wxID_BACKWARD);
stdID(wxID_DEFAULT); stdID(wxID_MORE); stdID(wxID_SETUP);
stdID(wxID_RESET); stdID(wxID_HELP_CONTEXT);
#undef stdID
else return wxXmlResource::GetXRCID(sid);
}
wxString wxXmlResourceHandler::GetName()
{
return m_node->GetPropVal(wxT("name"), wxT("-1"));
}
bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
{
wxString v = GetParamValue(param);
v.MakeLower();
if (!v) return defaultv;
else return (v == wxT("1"));
}
wxColour wxXmlResourceHandler::GetColour(const wxString& param)
{
wxString v = GetParamValue(param);
unsigned long tmp = 0;
if (v.Length() != 7 || v[0u] != wxT('#') ||
wxSscanf(v.c_str(), wxT("#%lX"), &tmp) != 1)
{
wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
v.c_str(), param.c_str());
return wxNullColour;
}
return wxColour((unsigned char) ((tmp & 0xFF0000) >> 16) ,
(unsigned char) ((tmp & 0x00FF00) >> 8),
(unsigned char) ((tmp & 0x0000FF)));
}
wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
const wxArtClient& defaultArtClient,
wxSize size)
{
/* If the bitmap is specified as stock item, query wxArtProvider for it: */
wxXmlNode *bmpNode = GetParamNode(param);
if ( bmpNode )
{
wxString sid = bmpNode->GetPropVal(wxT("stock_id"), wxEmptyString);
if ( !sid.empty() )
{
wxString scl = bmpNode->GetPropVal(wxT("stock_client"), defaultArtClient);
wxBitmap stockArt =
wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
wxART_MAKE_CLIENT_ID_FROM_STR(scl),
size);
if ( stockArt.Ok() )
return stockArt;
}
}
/* ...or load the bitmap from file: */
wxString name = GetParamValue(param);
if (name.IsEmpty()) return wxNullBitmap;
#if wxUSE_FILESYSTEM
wxFSFile *fsfile = GetCurFileSystem().OpenFile(name);
if (fsfile == NULL)
{
wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
return wxNullBitmap;
}
wxImage img(*(fsfile->GetStream()));
delete fsfile;
#else
wxImage img(GetParamValue(wxT("bitmap")));
#endif
if (!img.Ok())
{
wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
return wxNullBitmap;
}
if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
return wxBitmap(img);
}
wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
const wxArtClient& defaultArtClient,
wxSize size)
{
#if wxCHECK_VERSION(2,3,0) || defined(__WXMSW__)
wxIcon icon;
icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
#else
wxIcon *iconpt;
wxBitmap bmppt = GetBitmap(param, size);
iconpt = (wxIcon*)(&bmppt);
wxIcon icon(*iconpt);
#endif
return icon;
}
wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
{
wxXmlNode *n = m_node->GetChildren();
while (n)
{
if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
return n;
n = n->GetNext();
}
return NULL;
}
wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
{
wxXmlNode *n = node;
if (n == NULL) return wxEmptyString;
n = n->GetChildren();
while (n)
{
if (n->GetType() == wxXML_TEXT_NODE ||
n->GetType() == wxXML_CDATA_SECTION_NODE)
return n->GetContent();
n = n->GetNext();
}
return wxEmptyString;
}
wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
{
if (param.IsEmpty())
return GetNodeContent(m_node);
else
return GetNodeContent(GetParamNode(param));
}
wxSize wxXmlResourceHandler::GetSize(const wxString& param)
{
wxString s = GetParamValue(param);
if (s.IsEmpty()) s = wxT("-1,-1");
bool is_dlg;
long sx, sy;
is_dlg = s[s.Length()-1] == wxT('d');
if (is_dlg) s.RemoveLast();
if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
!s.AfterLast(wxT(',')).ToLong(&sy))
{
wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
return wxDefaultSize;
}
if (is_dlg)
{
if (m_instanceAsWindow)
return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, sy));
else if (m_parentAsWindow)
return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
else
{
wxLogError(_("Cannot convert dialog units: dialog unknown."));
return wxDefaultSize;
}
}
else return wxSize(sx, sy);
}
wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
{
wxSize sz = GetSize(param);
return wxPoint(sz.x, sz.y);
}
wxCoord wxXmlResourceHandler::GetDimension(const wxString& param, wxCoord defaultv)
{
wxString s = GetParamValue(param);
if (s.IsEmpty()) return defaultv;
bool is_dlg;
long sx;
is_dlg = s[s.Length()-1] == wxT('d');
if (is_dlg) s.RemoveLast();
if (!s.ToLong(&sx))
{
wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
return defaultv;
}
if (is_dlg)
{
if (m_instanceAsWindow)
return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, 0)).x;
else if (m_parentAsWindow)
return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
else
{
wxLogError(_("Cannot convert dialog units: dialog unknown."));
return defaultv;
}
}
else return sx;
}
wxFont wxXmlResourceHandler::GetFont(const wxString& param)
{
wxXmlNode *font_node = GetParamNode(param);
if (font_node == NULL)
{
wxLogError(_("Cannot find font node '%s'."), param.c_str());
return wxNullFont;
}
wxXmlNode *oldnode = m_node;
m_node = font_node;
long size = GetLong(wxT("size"), 12);
wxString style = GetParamValue(wxT("style"));
wxString weight = GetParamValue(wxT("weight"));
int istyle = wxNORMAL, iweight = wxNORMAL;
if (style == wxT("italic")) istyle = wxITALIC;
else if (style == wxT("slant")) istyle = wxSLANT;
if (weight == wxT("bold")) iweight = wxBOLD;
else if (weight == wxT("light")) iweight = wxLIGHT;
wxString family = GetParamValue(wxT("family"));
int ifamily = wxDEFAULT;
if (family == wxT("decorative")) ifamily = wxDECORATIVE;
else if (family == wxT("roman")) ifamily = wxROMAN;
else if (family == wxT("script")) ifamily = wxSCRIPT;
else if (family == wxT("swiss")) ifamily = wxSWISS;
else if (family == wxT("modern")) ifamily = wxMODERN;
bool underlined = GetBool(wxT("underlined"), FALSE);
wxString encoding = GetParamValue(wxT("encoding"));
wxFontMapper mapper;
wxFontEncoding enc = wxFONTENCODING_DEFAULT;
if (!encoding.IsEmpty())
enc = mapper.CharsetToEncoding(encoding);
if (enc == wxFONTENCODING_SYSTEM)
enc = wxFONTENCODING_DEFAULT;
wxString faces = GetParamValue(wxT("face"));
wxString facename = wxEmptyString;
wxFontEnumerator enu;
enu.EnumerateFacenames();
wxStringTokenizer tk(faces, wxT(","));
while (tk.HasMoreTokens())
{
int index = enu.GetFacenames()->Index(tk.GetNextToken(), FALSE);
if (index != wxNOT_FOUND)
{
facename = (*enu.GetFacenames())[index];
break;
}
}
m_node = oldnode;
wxFont font(size, ifamily, istyle, iweight, underlined, facename, enc);
return font;
}
void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
{
//FIXME : add cursor
if (HasParam(wxT("exstyle")))
wnd->SetExtraStyle(GetStyle(wxT("exstyle")));
if (HasParam(wxT("bg")))
wnd->SetBackgroundColour(GetColour(wxT("bg")));
if (HasParam(wxT("fg")))
wnd->SetForegroundColour(GetColour(wxT("fg")));
if (GetBool(wxT("enabled"), 1) == 0)
wnd->Enable(FALSE);
if (GetBool(wxT("focused"), 0) == 1)
wnd->SetFocus();
if (GetBool(wxT("hidden"), 0) == 1)
wnd->Show(FALSE);
#if wxUSE_TOOLTIPS
if (HasParam(wxT("tooltip")))
wnd->SetToolTip(GetText(wxT("tooltip")));
#endif
if (HasParam(wxT("font")))
wnd->SetFont(GetFont());
}
void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
{
wxXmlNode *n = m_node->GetChildren();
while (n)
{
if (n->GetType() == wxXML_ELEMENT_NODE &&
n->GetName() == wxT("object"))
{
if (this_hnd_only && CanHandle(n))
CreateResource(n, parent, NULL);
else
m_resource->CreateResFromNode(n, parent, NULL);
}
n = n->GetNext();
}
}
void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
{
wxXmlNode *root;
if (rootnode == NULL) root = m_node; else root = rootnode;
wxXmlNode *n = root->GetChildren();
while (n)
{
if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
{
CreateResource(n, parent, NULL);
}
n = n->GetNext();
}
}
// --------------- XRCID implementation -----------------------------
#define XRCID_TABLE_SIZE 1024
struct XRCID_record
{
int id;
wxChar *key;
XRCID_record *next;
};
static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
/*static*/ int wxXmlResource::GetXRCID(const wxChar *str_id)
{
static int XRCID_LastID = wxID_HIGHEST;
int index = 0;
for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (int)*c;
index %= XRCID_TABLE_SIZE;
XRCID_record *oldrec = NULL;
int matchcnt = 0;
for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
{
if (wxStrcmp(rec->key, str_id) == 0)
{
return rec->id;
}
matchcnt++;
oldrec = rec;
}
XRCID_record **rec_var = (oldrec == NULL) ?
&XRCID_Records[index] : &oldrec->next;
*rec_var = new XRCID_record;
(*rec_var)->id = ++XRCID_LastID;
(*rec_var)->key = wxStrdup(str_id);
(*rec_var)->next = NULL;
return (*rec_var)->id;
}
static void CleanXRCID_Record(XRCID_record *rec)
{
if (rec)
{
CleanXRCID_Record(rec->next);
free(rec->key);
delete rec;
}
}
static void CleanXRCID_Records()
{
for (int i = 0; i < XRCID_TABLE_SIZE; i++)
CleanXRCID_Record(XRCID_Records[i]);
}
// --------------- module and globals -----------------------------
class wxXmlResourceModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
public:
wxXmlResourceModule() {}
bool OnInit()
{
return TRUE;
}
void OnExit()
{
delete wxXmlResource::Set(NULL);
CleanXRCID_Records();
}
};
IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
// When wxXml is loaded dynamically after the application is already running
// then the built-in module system won't pick this one up. Add it manually.
void wxXmlInitResourceModule()
{
wxModule* module = new wxXmlResourceModule;
module->Init();
wxModule::RegisterModule(module);
}