HistoryHandler Class Reference

Handler for undo/redo commands. More...

#include <HistoryHandler.h>

Inheritance diagram for HistoryHandler:

Public Member Functions
QJsonObject	handleCommand (const QString &command, const QJsonObject &params, const QJsonValue &requestId) override
	HistoryHandler (MainWindow *mainWindow, const MCPValidator *validator)
Public Member Functions inherited from BaseHandler
QString	availableInputPorts (GraphicElement *element) const
QString	availableOutputPorts (GraphicElement *element) const
	BaseHandler (MainWindow *mainWindow, const MCPValidator *validator)
QJsonObject	createErrorResponse (const QString &error, const QJsonValue &requestId=QJsonValue(), int code=JsonRpcError::InternalError) const
QJsonObject	createSuccessResponse (const QJsonObject &result={}, const QJsonValue &requestId=QJsonValue()) const
Scene *	currentScene ()
const Scene *	currentScene () const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
bool	inputPortByLabel (GraphicElement *element, const QString &label, int &portIndex, QString &errorMsg) const
bool	outputPortByLabel (GraphicElement *element, const QString &label, int &portIndex, QString &errorMsg) const
template<typename Fn>
QJsonObject	tryCommand (Fn &&fn, const QString &action, const QJsonValue &requestId=QJsonValue())
	Wraps fn in a try/catch, returning an error response on exception.
GraphicElement *	validatedElement (const QJsonObject &params, const QString &paramName, QString &errorMsg)
	Validates paramName in params, looks up the element, and returns it.
bool	validateElementId (int elementId, const QString &paramName, QString &errorMsg) const
bool	validateNonEmptyString (const QJsonValue &value, const QString &paramName, QString &errorMsg) const
bool	validateNonNegativeInteger (const QJsonValue &value, const QString &paramName, QString &errorMsg) const
bool	validateNumeric (const QJsonValue &value, const QString &paramName, QString &errorMsg) const
bool	validateParameters (const QJsonObject &params, const QStringList &required) const
bool	validatePortRange (GraphicElement *element, int portIndex, bool isOutput, const QString &paramName, QString &errorMsg) const
bool	validatePositiveInteger (const QJsonValue &value, const QString &paramName, QString &errorMsg) const
virtual	~BaseHandler ()=default

Additional Inherited Members
Protected Member Functions inherited from BaseHandler
QString	availablePorts (GraphicElement *element, bool isOutput) const
Protected Attributes inherited from BaseHandler
MainWindow *	m_mainWindow
const MCPValidator *	m_validator

Detailed Description

Handler for undo/redo commands.

Handles the MCP commands that drive the active scene's undo stack: undo, redo, and querying the current undo/redo state.

Definition at line 15 of file HistoryHandler.h.

Constructor & Destructor Documentation

HistoryHandler()

HistoryHandler::HistoryHandler ( MainWindow * mainWindow, const MCPValidator * validator )

explicit

Definition at line 10 of file HistoryHandler.cpp.

References BaseHandler::BaseHandler().

Member Function Documentation

handleCommand()

QJsonObject HistoryHandler::handleCommand ( const QString & command, const QJsonObject & params, const QJsonValue & requestId )

overridevirtual

Implements BaseHandler.

Definition at line 15 of file HistoryHandler.cpp.

References BaseHandler::createErrorResponse(), and JsonRpcError::MethodNotFound.

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

• HistoryHandler.h
• HistoryHandler.cpp