// Purpose: interface of wxXmlResource
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/**
The class holds XML resources from one or more .xml files, binary files or zip
archive files.
- @see @ref overview_xrc, @ref xrc_format
+ Note that this is a singleton class and you'll never allocate/deallocate it.
+ Just use the static wxXmlResource::Get() getter.
+
+ @see @ref overview_xrc, @ref overview_xrcformat
@library{wxxrc}
@category{xrc}
class wxXmlResource : public wxObject
{
public:
- //@{
/**
Constructor.
*/
wxXmlResource(const wxString& filemask,
int flags = wxXRC_USE_LOCALE,
- const wxString domain = wxEmptyString);
+ const wxString& domain = wxEmptyString);
+
+ /**
+ Constructor.
+
+ @param flags
+ One or more value of the ::wxXmlResourceFlags enumeration.
+ @param domain
+ The name of the gettext catalog to search for translatable strings.
+ By default all loaded catalogs will be searched.
+ This provides a way to allow the strings to only come from a specific catalog.
+ */
wxXmlResource(int flags = wxXRC_USE_LOCALE,
- const wxString domain = wxEmptyString);
- //@}
+ const wxString& domain = wxEmptyString);
/**
Destructor.
*/
int CompareVersion(int major, int minor, int release, int revision) const;
+ /**
+ Returns a string ID corresponding to the given numeric ID.
+
+ The string returned is such that calling GetXRCID() with it as
+ parameter yields @a numId. If there is no string identifier
+ corresponding to the given numeric one, an empty string is returned.
+
+ Notice that, unlike GetXRCID(), this function is slow as it checks all
+ of the identifiers used in XRC.
+
+ @since 2.9.0
+ */
+ static wxString FindXRCIDById(int numId);
+
/**
Gets the global resources object or creates one if none exists.
*/
Returns the domain (message catalog) that will be used to load
translatable strings in the XRC.
*/
- wxChar* GetDomain();
+ const wxString& GetDomain() const;
/**
Returns flags, which may be a bitlist of ::wxXmlResourceFlags
*/
int GetFlags() const;
+ /**
+ Returns the wxXmlNode containing the definition of the object with the
+ given name or @NULL.
+
+ This function recursively searches all the loaded XRC files for an
+ object with the specified @a name. If the object is found, the
+ wxXmlNode corresponding to it is returned, so this function can be used
+ to access additional information defined in the XRC file and not used
+ by wxXmlResource itself, e.g. contents of application-specific XML
+ tags.
+
+ @param name
+ The name of the resource which must be unique for this function to
+ work correctly, if there is more than one resource with the given
+ name the choice of the one returned by this function is undefined.
+ @return
+ The node corresponding to the resource with the given name or @NULL.
+ */
+ const wxXmlNode *GetResourceNode(const wxString& name) const;
+
/**
Returns version information (a.b.c.d = d + 256*c + 2562*b + 2563*a).
*/
If @a value_if_not_found is @c wxID_NONE, the number is obtained via
wxNewId(). Otherwise @a value_if_not_found is used.
+
Macro @c XRCID(name) is provided for convenient use in event tables.
+
+ @note IDs returned by XRCID() cannot be used with the <tt>EVT_*_RANGE</tt>
+ macros, because the order in which they are assigned to symbolic @a name
+ values is not guaranteed.
*/
static int GetXRCID(const wxString& str_id, int value_if_not_found = wxID_NONE);
/**
Loads resources from XML files that match given filemask.
- This method understands VFS (see filesys.h).
+
+ Example:
+ @code
+ if (!wxXmlResource::Get()->Load("rc/*.xrc"))
+ wxLogError("Couldn't load resources!");
+ @endcode
+
+ @note
+ If wxUSE_FILESYS is enabled, this method understands wxFileSystem URLs
+ (see wxFileSystem::FindFirst()).
+
+ @note
+ If you are sure that the argument is name of single XRC file (rather
+ than an URL or a wildcard), use LoadFile() instead.
+
+ @see LoadFile(), LoadAllFiles()
*/
bool Load(const wxString& filemask);
+ /**
+ Simpler form of Load() for loading a single XRC file.
+
+ @since 2.9.0
+
+ @see Load(), LoadAllFiles()
+ */
+ bool LoadFile(const wxFileName& file);
+
+ /**
+ Loads all .xrc files from directory @a dirname.
+
+ Tries to load as many files as possible; if there's an error while
+ loading one file, it still attempts to load other files.
+
+ @since 2.9.0
+
+ @see LoadFile(), Load()
+ */
+ bool LoadAllFiles(const wxString& dirname);
+
/**
Loads a bitmap resource from a file.
*/
@code
MyDialog dlg;
- wxTheXmlResource->LoadDialog(&dlg, mainFrame, "my_dialog");
+ wxXmlResource::Get()->LoadDialog(&dlg, mainFrame, "my_dialog");
dlg.ShowModal();
@endcode
*/
The first overload lets you load nonstandard container windows and returns
@NULL on failure. The second one lets you finish the creation of an existing
instance and returns @false on failure.
+
+ In either case, only the resources defined at the top level of XRC
+ files can be loaded by this function, use LoadObjectRecursively() if
+ you need to load an object defined deeper in the hierarchy.
*/
wxObject* LoadObject(wxWindow* parent, const wxString& name,
const wxString& classname);
const wxString& classname);
//@}
+ //@{
/**
- Loads a panel. @a panel points to parent window (if any).
+ Load an object from anywhere in the resource tree.
+
+ These methods are similar to LoadObject() but may be used to load an
+ object from anywhere in the resource tree and not only the top level.
+ Note that you will very rarely need to do this as in normal use the
+ entire container window (defined at the top level) is loaded and not
+ its individual children but this method can be useful in some
+ particular situations.
+
+ @since 2.9.1
+ */
+ wxObject* LoadObjectRecursively(wxWindow* parent,
+ const wxString& name,
+ const wxString& classname);
+ bool LoadObjectRecursively(wxObject* instance, wxWindow* parent,
+ const wxString& name,
+ const wxString& classname);
+ //@}
+
+ /**
+ Loads a panel. @a parent points to the parent window.
*/
wxPanel* LoadPanel(wxWindow* parent, const wxString& name);
/**
- Loads a panel. @a panel points to parent window (if any).
+ Loads a panel. @a parent points to the parent window.
This form is used to finish creation of an already existing instance.
*/
bool LoadPanel(wxPanel* panel, wxWindow* parent, const wxString& name);
Sets the domain (message catalog) that will be used to load
translatable strings in the XRC.
*/
- wxChar* SetDomain(const wxChar* domain);
+ void SetDomain(const wxString& domain);
/**
Sets flags (bitlist of ::wxXmlResourceFlags enumeration values).
hasn't been found in the list of loaded resources.
*/
bool Unload(const wxString& filename);
+
+protected:
+ /**
+ Reports error in XRC resources to the user.
+
+ Any errors in XRC input files should be reported using this method
+ (or its wxXmlResourceHandler::ReportError() equivalent). Unlike
+ wxLogError(), this method presents the error to the user in a more
+ usable form. In particular, the output is compiler-like and contains
+ information about the exact location of the error.
+
+ @param context XML node the error occurred in or relates to. This can
+ be @NULL, but should be the most specific node possible,
+ as its line number is what is reported to the user.
+ @param message Text of the error message. This string should always
+ be in English (i.e. not wrapped in _()). It shouldn't
+ be a sentence -- it should start with lower-case letter
+ and shouldn't have a trailing period or exclamation
+ point.
+
+ @since 2.9.0
+
+ @see wxXmlResourceHandler::ReportError(), DoReportError()
+ */
+ void ReportError(const wxXmlNode *context, const wxString& message);
+
+ /**
+ Implementation of XRC resources errors reporting.
+
+ This method is called by ReportError() and shouldn't be called
+ directly; use ReportError() or wxXmlResourceHandler::ReportError()
+ to log errors.
+
+ Default implementation uses wxLogError().
+
+ @param xrcFile File the error occurred in or empty string if it
+ couldn't be determined.
+ @param position XML node where the error occurred or @NULL if it
+ couldn't be determined.
+ @param message Text of the error message. See ReportError()
+ documentation for details of the string's format.
+
+ @note
+ You may override this method in a derived class to customize errors
+ reporting. If you do so, you'll need to either use the derived class
+ in all your code or call wxXmlResource::Set() to change the global
+ wxXmlResource instance to your class.
+
+ @since 2.9.0
+
+ @see ReportError()
+ */
+ virtual void DoReportError(const wxString& xrcFile, const wxXmlNode *position,
+ const wxString& message);
};
virtual ~wxXmlResourceHandler();
/**
- Add a style flag (e.g. @c wxMB_DOCKABLE) to the list of flags
- understood by this handler.
+ Creates an object (menu, dialog, control, ...) from an XML node.
+ Should check for validity. @a parent is a higher-level object
+ (usually window, dialog or panel) that is often necessary to
+ create the resource.
+
+ If @b instance is non-@NULL it should not create a new instance via
+ 'new' but should rather use this one, and call its Create method.
*/
- void AddStyle(const wxString& name, int value);
+ wxObject* CreateResource(wxXmlNode* node, wxObject* parent,
+ wxObject* instance);
/**
- Add styles common to all wxWindow-derived classes.
+ Called from CreateResource after variables were filled.
*/
- void AddWindowStyles();
+ virtual wxObject* DoCreateResource() = 0;
/**
Returns @true if it understands this node and can create
at the time CanHandle() is called and it is only safe to operate on
node directly or to call IsOfClass().
*/
- bool CanHandle(wxXmlNode* node);
+ virtual bool CanHandle(wxXmlNode* node) = 0;
+
+ /**
+ Sets the parent resource.
+ */
+ void SetParentResource(wxXmlResource* res);
+
+
+protected:
+
+ /**
+ Add a style flag (e.g. @c wxMB_DOCKABLE) to the list of flags
+ understood by this handler.
+ */
+ void AddStyle(const wxString& name, int value);
+
+ /**
+ Add styles common to all wxWindow-derived classes.
+ */
+ void AddWindowStyles();
/**
Creates children.
wxObject* instance = NULL);
/**
- Creates an object (menu, dialog, control, ...) from an XML node.
- Should check for validity. @a parent is a higher-level object
- (usually window, dialog or panel) that is often necessary to
- create the resource.
-
- If @b instance is non-@NULL it should not create a new instance via 'new'
- but should rather use this one, and call its Create method.
+ Creates an animation (see wxAnimation) from the filename specified in @a param.
*/
- wxObject* CreateResource(wxXmlNode* node, wxObject* parent,
- wxObject* instance);
+ wxAnimation GetAnimation(const wxString& param = "animation");
/**
- Called from CreateResource after variables were filled.
+ Gets a bitmap.
*/
- wxObject* DoCreateResource();
-
+ wxBitmap GetBitmap(const wxString& param = "bitmap",
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
/**
- Creates an animation (see wxAnimation) from the filename specified in @a param.
- */
- wxAnimation GetAnimation(const wxString& param = wxT("animation"));
+ Gets a bitmap from an XmlNode.
- /**
- Gets a bitmap.
+ @since 2.9.1
*/
- wxBitmap GetBitmap(const wxString& param = wxT("bitmap"), wxSize size = wxDefaultSize);
+ wxBitmap GetBitmap(const wxXmlNode* node,
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
/**
Gets a bool flag (1, t, yes, on, true are @true, everything else is @false).
/**
Returns the current file system.
*/
- wxFileSystem GetCurFileSystem();
+ wxFileSystem& GetCurFileSystem();
/**
Gets a dimension (may be in dialog units).
*/
- wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0);
+ wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0,
+ wxWindow* windowToUse = 0);
/**
Gets a font.
*/
- wxFont GetFont();
+ wxFont GetFont(const wxString& param = "font");
/**
Returns the XRCID.
/**
Returns an icon.
*/
- wxIcon GetIcon(const wxString& param = wxT("icon"), wxSize size = wxDefaultSize);
+ wxIcon GetIcon(const wxString& param = "icon",
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
+
+ /**
+ Gets an icon from an XmlNode.
+
+ @since 2.9.1
+ */
+ wxIcon GetIcon(const wxXmlNode* node,
+ const wxArtClient& defaultArtClient = wxART_OTHER,
+ wxSize size = wxDefaultSize);
+
+ /**
+ Returns an icon bundle.
+
+ @note
+ Bundles can be loaded either with stock IDs or from files that contain
+ more than one image (e.g. Windows icon files). If a file contains only
+ single image, a bundle with only one icon will be created.
+
+ @since 2.9.0
+ */
+ wxIconBundle GetIconBundle(const wxString& param,
+ const wxArtClient& defaultArtClient = wxART_OTHER);
+
+ /**
+ Creates an image list from the @a param markup data.
+
+ @return
+ The new instance of wxImageList or @NULL if no data is found.
+
+ @since 2.9.1
+ */
+ wxImageList *GetImageList(const wxString& param = wxT("imagelist"));
/**
Gets the integer value from the parameter.
*/
wxString GetParamValue(const wxString& param);
+ /**
+ Returns the node parameter value.
+
+ @since 2.9.1
+ */
+ wxString GetParamValue(const wxXmlNode* node);
+
/**
Gets the position (may be in dialog units).
*/
- wxPoint GetPosition(const wxString& param = wxT("pos"));
+ wxPoint GetPosition(const wxString& param = "pos");
/**
Gets the size (may be in dialog units).
*/
- wxSize GetSize(const wxString& param = wxT("size"));
+ wxSize GetSize(const wxString& param = "size", wxWindow* windowToUse = 0);
/**
Gets style flags from text in form "flag | flag2| flag3 |..."
Only understands flags added with AddStyle().
*/
- int GetStyle(const wxString& param = wxT("style"), int defaults = 0);
+ int GetStyle(const wxString& param = "style", int defaults = 0);
/**
Gets text from param and does some conversions:
translation because of XML syntax)
- calls wxGetTranslations (unless disabled in wxXmlResource)
*/
- wxString GetText(const wxString& param);
+ wxString GetText(const wxString& param, bool translate = true);
/**
Check to see if a parameter exists.
*/
bool IsOfClass(wxXmlNode* node, const wxString& classname);
- /**
- Sets the parent resource.
- */
- void SetParentResource(wxXmlResource* res);
-
/**
Sets common window options.
*/
void SetupWindow(wxWindow* wnd);
+
+ /**
+ Reports error in XRC resources to the user.
+
+ See wxXmlResource::ReportError() for more information.
+
+ @since 2.9.0
+ */
+ void ReportError(wxXmlNode *context, const wxString& message);
+
+ /**
+ Like ReportError(wxXmlNode*, const wxString&), but uses the node
+ of currently processed object (m_node) as the context.
+
+ @since 2.9.0
+ */
+ void ReportError(const wxString& message);
+
+ /**
+ Like ReportError(wxXmlNode*, const wxString&), but uses the node
+ of parameter @a param of the currently processed object as the context.
+ This is convenience function for reporting errors in particular
+ parameters.
+
+ @since 2.9.0
+ */
+ void ReportParamError(const wxString& param, const wxString& message);
};
projects / wxWidgets.git / blobdiff