libyui  3.0.5
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YGraphPlugin Class Referenceabstract

#include <YGraphPlugin.h>

Inheritance diagram for YGraphPlugin:
Collaboration diagram for YGraphPlugin:

Public Member Functions

virtual YGraphcreateGraph (YWidget *parent, const std::string &filename, const std::string &layoutAlgorithm)=0
 
- Public Member Functions inherited from YUIPlugin
 YUIPlugin (const char *pluginLibBaseName)
 
virtual ~YUIPlugin ()
 
void unload ()
 
void * locateSymbol (const char *symbol)
 
bool error () const
 
bool success () const
 
std::string errorMsg () const
 

Protected Member Functions

 YGraphPlugin (const char *pluginLibBaseName)
 
virtual ~YGraphPlugin ()
 
- Protected Member Functions inherited from YUIPlugin
void * pluginLibHandle ()
 
std::string pluginLibBaseName () const
 
std::string pluginLibFullPath () const
 

Detailed Description

Abstract base class for simplified access to UI plugins for graph widget.

Definition at line 37 of file YGraphPlugin.h.

Constructor & Destructor Documentation

YGraphPlugin::YGraphPlugin ( const char *  pluginLibBaseName)
inlineprotected

Constructor: Load the specified plugin library from the standard UI plugin directory (/usr/lib/yui/).

Definition at line 44 of file YGraphPlugin.h.

virtual YGraphPlugin::~YGraphPlugin ( )
inlineprotectedvirtual

Destructor. Calls dlclose() which will unload the plugin library if it is no longer used, i.e. if the reference count dlopen() uses reaches 0.

Definition at line 51 of file YGraphPlugin.h.

Member Function Documentation

virtual YGraph* YGraphPlugin::createGraph ( YWidget parent,
const std::string &  filename,
const std::string &  layoutAlgorithm 
)
pure virtual

Create a graph widget. Derived classes need to implement this.

This might return 0 if the plugin lib could not be loaded or if the appropriate symbol could not be located in the plugin lib.


The documentation for this class was generated from the following file: