ProDeSocketEditPolicy Class Reference

#include <ProDeSocketEditPolicy.hh>

Inheritance diagram for ProDeSocketEditPolicy:

Collaboration diagram for ProDeSocketEditPolicy:

Public Member Functions
	ProDeSocketEditPolicy ()
virtual	~ProDeSocketEditPolicy ()
virtual ComponentCommand *	getCommand (Request *request)
virtual bool	canHandle (Request *request) const
Public Member Functions inherited from EditPolicy
	EditPolicy ()
virtual	~EditPolicy ()
EditPart *	host () const
void	setHost (EditPart *host)

Private Member Functions
ComponentCommand *	createConnectCmd (Request *request)
ProDeSocketEditPolicy &	operator= (ProDeSocketEditPolicy &old)
	Assignment not allowed. More...
	ProDeSocketEditPolicy (ProDeSocketEditPolicy &old)
	Copying not allowed. More...

Additional Inherited Members
Protected Attributes inherited from EditPolicy
EditPart *	host_
	Host EditPart of this EditPolicy. More...

Detailed Description

Determines how a socket EditPart acts when a Request is performed on it.

Converts a given Request to a Command if the EditPolicy supports. the Request.

Definition at line 49 of file ProDeSocketEditPolicy.hh.

Constructor & Destructor Documentation

ProDeSocketEditPolicy() [1/2]

ProDeSocketEditPolicy::ProDeSocketEditPolicy

(

)

The Constructor.

Definition at line 61 of file ProDeSocketEditPolicy.cc.

                                            : EditPolicy() {
}

~ProDeSocketEditPolicy()

ProDeSocketEditPolicy::~ProDeSocketEditPolicy ( )

virtual

The Destructor.

Definition at line 67 of file ProDeSocketEditPolicy.cc.

                                              {
}

ProDeSocketEditPolicy() [2/2]

ProDeSocketEditPolicy::ProDeSocketEditPolicy ( ProDeSocketEditPolicy &  old )

private

Copying not allowed.

Member Function Documentation

canHandle()

bool ProDeSocketEditPolicy::canHandle ( Request *  request ) const

virtual

Tells whether this EditPolicy is able to handle a certain type of Request.

Parameters

request

Request to be asked if it can be handled.

Returns

True if the Request can be handled, false otherwise.

Implements EditPolicy.

Definition at line 115 of file ProDeSocketEditPolicy.cc.

                                                       {
    Request::RequestType type = request->type();
    if (type == Request::MODIFY_REQUEST ||
    type == Request::DELETE_REQUEST ||
        type == Request::COPY_REQUEST ||
        type == Request::STATUS_REQUEST) {
    return true;
    } else if (type == Request::CONNECT_REQUEST) {
        ConnectRequest* cr = dynamic_cast<ConnectRequest*>(request);
        assert(cr != NULL);
        EditPart* part = cr->part();
 
        if (part == NULL) {
            // No selection.
            // Socket can be selected for connecting, return true.
            return true;
        }
 
        Port* port = dynamic_cast<Port*>(part->model());
        Segment* segment = dynamic_cast<Segment*>(part->model());
        if (port == NULL && segment == NULL) {
            // Socket can be connected only to ports and segments.
            return false;
        }
        MachineTester* tester = NULL;
        if (port != NULL) {
            tester = new MachineTester(*(port->parentUnit()->machine()));
        } else {
            tester = new MachineTester(*(segment->parentBus()->machine()));
        }
        Socket* socket = dynamic_cast<Socket*>(host_->model());
        if ((port != NULL && (
                 port->isConnectedTo(*socket) ||
                 tester->canConnect(*socket, *port))) ||
            (segment != NULL && (
                socket->isConnectedTo(*segment) ||
                tester->canConnect(*socket, *segment)))) {
 
            delete tester;
            return true;
        }
        delete tester;
        return false;
    } else {
    return false;
    }
}

References assert, MachineTester::canConnect(), Request::CONNECT_REQUEST, Request::COPY_REQUEST, Request::DELETE_REQUEST, EditPolicy::host_, TTAMachine::Port::isConnectedTo(), TTAMachine::Socket::isConnectedTo(), TTAMachine::Component::machine(), EditPart::model(), Request::MODIFY_REQUEST, TTAMachine::Segment::parentBus(), TTAMachine::Port::parentUnit(), ConnectRequest::part(), Request::STATUS_REQUEST, and Request::type().

Referenced by createConnectCmd().

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createConnectCmd()

ComponentCommand * ProDeSocketEditPolicy::createConnectCmd ( Request *  request )

private

Creates a command which connects the selected component to the requested component.

Parameters

request

ConnectionRequest with the target component for the connection.

Returns

Command for connecting the selected and requested components.

Definition at line 173 of file ProDeSocketEditPolicy.cc.

                                                        {
 
    ConnectRequest* cr = dynamic_cast<ConnectRequest*>(request);
    assert(cr != NULL);
    EditPart* part = cr->part();
 
    if (canHandle(request)) {
        Port* port = dynamic_cast<Port*>(part->model());
        Segment* segment = dynamic_cast<Segment*>(part->model());
        Socket* socket = dynamic_cast<Socket*>(host_->model());
        if (port == NULL && segment == NULL) {
            return NULL;
        }
        ComponentCommand* cmd = NULL;
        if (port != NULL) {
            cmd = new SocketPortConnCmd(socket, port);
        } else {
            cmd = new SocketBusConnCmd(socket, segment);
        }
        return cmd;
    } else {
        return NULL;
    }
}

References assert, canHandle(), EditPolicy::host_, EditPart::model(), and ConnectRequest::part().

Referenced by getCommand().

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getCommand()

ComponentCommand * ProDeSocketEditPolicy::getCommand ( Request *  request )

virtual

Returns the Command corresponding to the type of the Request.

Parameters

request

Request to be handled.

Returns

NULL if the Request cannot be handled.

Implements EditPolicy.

Definition at line 77 of file ProDeSocketEditPolicy.cc.

                                                  {
 
    Request::RequestType type = request->type();
 
    if (type == Request::MODIFY_REQUEST) {
        ModifySocketCmd* modifyCmd = new ModifySocketCmd(host_);
        return modifyCmd;
 
    } else if (type == Request::DELETE_REQUEST) {
        DeleteSocketCmd* deleteCmd = new DeleteSocketCmd(host_);
        return deleteCmd;
 
    } else if (type == Request::COPY_REQUEST) {
        CopyComponent* copyCmd = new CopyComponent(host_);
        return copyCmd;
 
    } else if (type == Request::STATUS_REQUEST) {
        Socket* socket = dynamic_cast<Socket*>(host_->model());
        ProDeTextGenerator* generator = ProDeTextGenerator::instance();
        format fmt = generator->text(ProDeTextGenerator::STATUS_SOCKET);
        fmt % socket->name();
        SetStatusTextCmd* statusCmd = new SetStatusTextCmd(fmt.str());
        return statusCmd;
    } if (type == Request::CONNECT_REQUEST) {
        return createConnectCmd(request);
    } else {
    return NULL;
    }
}

References Request::CONNECT_REQUEST, Request::COPY_REQUEST, createConnectCmd(), Request::DELETE_REQUEST, EditPolicy::host_, ProDeTextGenerator::instance(), EditPart::model(), Request::MODIFY_REQUEST, TTAMachine::Component::name(), Request::STATUS_REQUEST, ProDeTextGenerator::STATUS_SOCKET, Texts::TextGenerator::text(), and Request::type().

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operator=()

ProDeSocketEditPolicy& ProDeSocketEditPolicy::operator= ( ProDeSocketEditPolicy &  old )

private

Assignment not allowed.

---

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

• ProDeSocketEditPolicy.hh
• ProDeSocketEditPolicy.cc