Don't create multiple parent-less top level frames in layout sample.

[wxWidgets.git] / include / wx / richtext / richtextxml.h

diff --git a/include/wx/richtext/richtextxml.h b/include/wx/richtext/richtextxml.h
index ca114c748cc1cecb6ccf3e529526509d9d308785..14ce5236d821a9b47fccbd097fea1424427fc22a 100644 (file)
--- a/include/wx/richtext/richtextxml.h
+++ b/include/wx/richtext/richtextxml.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wx/richtext/richeditxml.h
+// Name:        wx/richtext/richtextxml.h
 // Purpose:     XML and HTML I/O for wxRichTextCtrl
 // Author:      Julian Smart
 // Modified by:
@@ -16,6 +16,7 @@
  * Includes
  */
 
+#include "wx/hashmap.h"
 #include "wx/richtext/richtextbuffer.h"
 #include "wx/richtext/richtextstyles.h"
 
@@ -26,37 +27,68 @@
  */
 
 class WXDLLIMPEXP_FWD_XML wxXmlNode;
+class WXDLLIMPEXP_FWD_XML wxXmlDocument;
 
 class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHandler: public wxRichTextFileHandler
 {
-    DECLARE_CLASS(wxRichTextXMLHandler)
+    DECLARE_DYNAMIC_CLASS(wxRichTextXMLHandler)
 public:
     wxRichTextXMLHandler(const wxString& name = wxT("XML"), const wxString& ext = wxT("xml"), int type = wxRICHTEXT_TYPE_XML)
         : wxRichTextFileHandler(name, ext, type)
-        { }
+        { Init(); }
+
+    void Init();
 
 #if wxUSE_STREAMS
+
+#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
     /// Recursively export an object
-    bool ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int level);
-    bool ExportStyleDefinition(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextStyleDefinition* def, int level);
+    bool ExportXML(wxOutputStream& stream, wxRichTextObject& obj, int level);
+    bool ExportStyleDefinition(wxOutputStream& stream, wxRichTextStyleDefinition* def, int level);
+    wxString AddAttributes(const wxRichTextAttr& attr, bool isPara = false);
+    bool WriteProperties(wxOutputStream& stream, const wxRichTextProperties& properties, int level);
+    void OutputString(wxOutputStream& stream, const wxString& str);
+    void OutputStringEnt(wxOutputStream& stream, const wxString& str);
+    void OutputIndentation(wxOutputStream& stream, int indent);
+    static wxString AttributeToXML(const wxString& str);
+#endif
+
+#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
+    bool ExportXML(wxXmlNode* parent, wxRichTextObject& obj);
+    bool ExportStyleDefinition(wxXmlNode* parent, wxRichTextStyleDefinition* def);
+    bool AddAttributes(wxXmlNode* node, wxRichTextAttr& attr, bool isPara = false);
+    bool WriteProperties(wxXmlNode* node, const wxRichTextProperties& properties);
+#endif
+
+    /// Make a string from the given property. This can be overridden for custom variants.
+    virtual wxString MakeStringFromProperty(const wxVariant& var);
+
+    /// Create a proprty from the string read from the XML file.
+    virtual wxVariant MakePropertyFromString(const wxString& name, const wxString& value, const wxString& type);
 
     /// Recursively import an object
-    bool ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node);
+    bool ImportXML(wxRichTextBuffer* buffer, wxRichTextObject* obj, wxXmlNode* node);
     bool ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node);
+    bool ImportProperties(wxRichTextObject* obj, wxXmlNode* node);
+    bool ImportProperties(wxRichTextProperties& properties, wxXmlNode* node);
 
-    /// Create style parameters
-    wxString CreateStyle(const wxRichTextAttr& attr, bool isPara = false);
-
-    /// Get style parameters
-    bool GetStyle(wxRichTextAttr& attr, wxXmlNode* node, bool isPara = false);
+    /// Import style parameters
+    bool ImportStyle(wxRichTextAttr& attr, wxXmlNode* node, bool isPara = false);
 #endif
 
+    /// Creates an object given an XML element name
+    virtual wxRichTextObject* CreateObjectForXMLName(wxRichTextObject* parent, const wxString& name) const;
+
     /// Can we save using this handler?
     virtual bool CanSave() const { return true; }
 
     /// Can we load using this handler?
     virtual bool CanLoad() const { return true; }
 
+    // Used during saving
+    wxMBConv* GetConvMem() const { return m_convMem; }
+    wxMBConv* GetConvFile() const { return m_convFile; }
+
 // Implementation
 
     bool HasParam(wxXmlNode* node, const wxString& param);
@@ -64,12 +96,32 @@ public:
     wxString GetNodeContent(wxXmlNode *node);
     wxString GetParamValue(wxXmlNode *node, const wxString& param);
     wxString GetText(wxXmlNode *node, const wxString& param = wxEmptyString, bool translate = false);
+    static wxXmlNode* FindNode(wxXmlNode* node, const wxString& name);
+
+    /**
+        Call with XML node name, C++ class name so that wxRTC can read in the node.
+        If you add a custom object, call this.
+    */
+    static void RegisterNodeName(const wxString& nodeName, const wxString& className) { sm_nodeNameToClassMap[nodeName] = className; }
+
+    /**
+        Cleans up the mapping between node name and C++ class.
+    */
+    static void ClearNodeToClassMap() { sm_nodeNameToClassMap.clear(); }
 
 protected:
 #if wxUSE_STREAMS
     virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
     virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
 #endif
+
+#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
+    // Used during saving
+    wxMBConv* m_convMem;
+    wxMBConv* m_convFile;
+#endif
+
+    static wxStringToStringHashMap sm_nodeNameToClassMap;
 };
 
 #endif