X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d699f48ba33c96c24f7ab3764ad98ded0633c1c5..90c108964caba82a62602c7eef1268d4bb6e4841:/contrib/src/applet/ifelsevar.cpp diff --git a/contrib/src/applet/ifelsevar.cpp b/contrib/src/applet/ifelsevar.cpp index 7c82bb5a74..e7280b23fe 100644 --- a/contrib/src/applet/ifelsevar.cpp +++ b/contrib/src/applet/ifelsevar.cpp @@ -27,61 +27,134 @@ * ****************************************************************************/ -// 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 ---------------------------*/ @@ -155,5 +228,5 @@ void IFELSE_VARIABLE( const char *name, bool state); - FORCE_LINK_ME(ifelsevar) +