MPxContextCommand Class Reference
[OpenMayaUI - API module for user interfaceProxy classes]

#include <MPxContextCommand.h>

Inheritance diagram for MPxContextCommand:

Inheritance graph
[legend]

List of all members.


Detailed Description

Base class for context creation commands.

This is the base class for context creation commands.

The purpose of this command class is to create instances of user contexts derived from MPxContext, and to allow the MEL programmer to edit and query various properties of the context related to this command.

The user will derive off of this class and override the makeObj method which will be called when this command is invoked in Maya.

The context command is registered in Maya using MFnPlugin::registerContextCommand

Examples:

componentScaleManip.cpp, customAttrManip.cpp, helixTool.cpp, lassoTool.cpp, marqueeTool.cpp, meshRemapTool.h, meshReorderTool.h, moveManip.cpp, moveNumericTool.cpp, moveTool.cpp, rotateManip.cpp, and surfaceBumpManip.cpp.


Public Member Functions

 MPxContextCommand ()
virtual ~MPxContextCommand ()
virtual MStatus doEditFlags ()
virtual MStatus doQueryFlags ()
virtual MPxContextmakeObj ()
virtual MStatus appendSyntax ()
MStatus setResult (bool result)
MStatus setResult (int result)
MStatus setResult (double result)
MStatus setResult (const MString &result)

Protected Member Functions

MSyntax syntax (MStatus *ReturnStatus=NULL) const
 USE _syntax() IN SCRIPT.
MArgParser parser (MStatus *ReturnStatus=NULL) const
 USE _parser() IN SCRIPT.

Constructor & Destructor Documentation

MPxContextCommand::MPxContextCommand (  ) 

Class constructor.

MPxContextCommand::~MPxContextCommand (  )  [virtual]

Class destructor.


Member Function Documentation

MStatus MPxContextCommand::doEditFlags (  )  [virtual]

This method is called when the command is called in edit mode. This method should be overridden by context commands to determine which edit flags are set in conjunction with the argument parser for this command. The argument parser for this command can be obtained by calling the parser method. If the command is called with both the edit flag and the query flag, then the query flag will be ignored.

Returns:
Examples:

MStatus MPxContextCommand::doQueryFlags (  )  [virtual]

This method is called when the command is called in query mode. This method should be overridden by context commands to determine which query flags are set in conjunction with the argument parser for this command. The argument parser for this command can be obtained by calling the parser method. If the command is called with both the edit flag and the query flag, then the query flag will be ignored.

Returns:
Examples:

MPxContext * MPxContextCommand::makeObj (  )  [virtual]

This function is used to instantiate a proxy context. In your derived class, declare this function:

        MPxContext * derivedClass::makeObj() {
                return new userContextClass;
        }

where userContextClass is derived from MPxContext.

Returns:

Reimplemented in MTemplateContextCommand< ContextCommandName, ContextCommandClass, ContextClass >.

Examples:

MStatus MPxContextCommand::appendSyntax (  )  [virtual]

This method should be overridden to append syntax to the context command. The syntax object can be obtained by calling the syntax method. The following flags cannot be used as user-defined flags as they are reserved for edit and query: "-e", "-edit", "-q", "-query".

Returns:
Examples:

MStatus MPxContextCommand::setResult ( bool  result  ) 

This method should be called when the result of the context command is a boolean.

Parameters:
[in] result the boolean result
Returns:

MStatus MPxContextCommand::setResult ( int  result  ) 

This method should be called when the result of the context command is an integer.

Parameters:
[in] result the integer result
Returns:

MStatus MPxContextCommand::setResult ( double  result  ) 

This method should be called when the result of the context command is a double.

Parameters:
[in] result the double result
Returns:

MStatus MPxContextCommand::setResult ( const MString result  ) 

This method should be called when the result of the context command a string.

Parameters:
[in] result the string result
Returns:

MSyntax MPxContextCommand::syntax ( MStatus ReturnStatus = NULL  )  const [protected]

USE _syntax() IN SCRIPT.

This method returns the syntax object of this context command. From an overridden version of the appendSyntax method you may append to the syntax object.

Parameters:
[out] ReturnStatus return status
Returns:
The syntax object
Status Codes:

MArgParser MPxContextCommand::parser ( MStatus ReturnStatus = NULL  )  const [protected]

USE _parser() IN SCRIPT.

This method returns the argument parser of this context command. The argument parser can be used in the overridden versions of doEditFlags and doQueryFlags to determine which flags are set.

Parameters:
[out] ReturnStatus return status
Returns:
The argument parser
Status Codes:


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