*
****************************************************************************/
-// For compilers that support precompilation
-#include "wx/wxprec.h"
-#include "wx/html/forcelnk.h"
-
// Include private headers
#include "wx/applet/ifelsevar.h"
+// wxWindows forcelink macro
+#include "wx/html/forcelnk.h"
+#include "wx/msgdlg.h"
+
/*---------------------------- Global variables ---------------------------*/
-// Implement the dynamic class so it can be constructed dynamically
-IMPLEMENT_ABSTRACT_CLASS(wxIfElseVariable, wxObject);
+static wxIfElseVariable *wxIfElseVariable::sm_first = NULL;
+static wxHashTable *wxIfElseVariable::sm_varTable = NULL;
/*----------------------------- Implementation ----------------------------*/
/****************************************************************************
PARAMETERS:
-cls - The String name of the class
+varName - The String name of the class
+getValueFn - Pointer to the function that returns the echo variable value
-RETURNS:
-The boolean value of the variable
+REMARKS:
+Constructor for the wxIfElseVariable class that self registers itself with
+the list of all echo variables when the static class instance is created
+at program init time (remember all the constructors get called before
+the main program function!).
+****************************************************************************/
+wxIfElseVariable::wxIfElseVariable(
+ const char *varName,
+ wxIfElseVariableGetValueFn getValueFn)
+{
+ m_varName = varName;
+ m_getValueFn = getValueFn;
+ m_next = sm_first;
+ sm_first = this;
+}
+/****************************************************************************
REMARKS:
-To grab a value from any class which is derived from this one simple use this
-static function and the name of the derived class to get the value.
-This static function is the only function implemented in this base class
-basically this is provided for an easier method of grabbing a variable. We
-keep all the dynamic object handling in this class to avoid confusing the source
-where these are used.
+Initializes parent pointers and hash table for fast searching for echo
+variables.
+****************************************************************************/
+void wxIfElseVariable::Initialize()
+{
+ wxIfElseVariable::sm_varTable = new wxHashTable(wxKEY_STRING);
+
+ // Index all class infos by their class name
+ wxIfElseVariable *info = sm_first;
+ while (info) {
+ if (info->m_varName)
+ sm_varTable->Put(info->m_varName, info);
+ info = info->m_next;
+ }
+}
-SEE ALSO:
-wxIfElsePrep
+/****************************************************************************
+REMARKS:
+Clean up echo variable hash tables on application exit.
****************************************************************************/
-static bool wxIfElseVariable::FindValue(
- const wxString &cls)
+void wxIfElseVariable::CleanUp()
{
- wxObject * tmpclass;
+ delete wxIfElseVariable::sm_varTable;
+ wxIfElseVariable::sm_varTable = NULL;
+}
- tmpclass = wxCreateDynamicObject(wxString("wxIfElseVariable") + cls);
- if (!tmpclass) {
-#ifdef CHECKED
- wxMessageBox(wxString("wxHTML #if error: Class not found (") + cls + wxString(")."),"Error",wxICON_ERROR);
-#endif
- return wxString("");
- }
+/****************************************************************************
+PARAMETERS:
+varName - The String name of the class
- wxIfElseVariable * ev = wxDynamicCast(tmpclass, wxIfElseVariable);
-
- if (!ev) {
+REMARKS:
+Constructor for the wxIfElseVariable class that self registers itself with
+the list of all ifelse variables when the static class instance is created
+at program init time (remember all the constructors get called before
+the main program function!).
+****************************************************************************/
+bool wxIfElseVariable::GetValue(
+ const wxChar *varName)
+{
+ wxIfElseVariable *info = wxIfElseVariable::FindVariable(varName);
+ if (info) {
+ // Return the forced value if the variable has been forced.
+ if (info->forced)
+ return info->forceVal;
+ return info->m_getValueFn();
+ }
#ifdef CHECKED
- wxMessageBox(wxString("wxHTML #if error: Class is not a valid ifelse variable (") + cls + wxString(")."),"Error",wxICON_ERROR);
+ wxMessageBox(wxString("wxHTML #if error: Class is not a valid if else variable (") + varName + wxString(")."),"Error",wxICON_ERROR);
#endif
- return wxString("");
- }
+ return wxString("");
+}
+
+/****************************************************************************
+PARAMETERS:
+varName - The String name of the class
+
+RETURNS:
+True if the if/else variable exists, false if not.
+****************************************************************************/
+bool wxIfElseVariable::Exists(
+ const wxChar *varName)
+{
+ return wxIfElseVariable::FindVariable(varName) != NULL;
+}
- return ev->GetValue();
+/****************************************************************************
+PARAMETERS:
+varName - The String name of the class
+val - Value to force the if/else variable with
+
+REMARKS:
+Function to forcibly override the value of an if/else variable for
+testing purposes. Once the variable has been forced, it will always return
+the forced value until the application exists.
+
+NOTE: This is only available when compiled in CHECKED mode.
+****************************************************************************/
+void wxIfElseVariable::Force(
+ const wxChar *varName,
+ bool val)
+{
+ wxIfElseVariable *info = wxIfElseVariable::FindVariable(varName);
+ if (info) {
+ info->forced = true;
+ info->forceVal = val;
+ }
+ else {
+#ifdef CHECKED
+ wxMessageBox(wxString("wxHTML #if error: Class is not a valid if else variable (") + varName + wxString(")."),"Error",wxICON_ERROR);
+#endif
+ }
}
/*------------------------ Macro Documentation ---------------------------*/
const char *name,
bool state);
-
FORCE_LINK_ME(ifelsevar)
+
projects / wxWidgets.git / blobdiff