use of org.knime.workbench.editor2.editparts.WorkflowInPortEditPart in project knime-core by knime.
the class SnapToPortGeometry method populateRowsAndCols.
/**
* Updates the cached row and column Entries using the provided parts.
* Columns are only the center of a node figure while rows are all ports of
* a node.
*
* @param parts a List of EditParts
*/
protected void populateRowsAndCols(final List parts, final List dragedParts) {
// add the port edit parts to a list
List<AbstractPortEditPart> portList = getPorts(parts);
// create all row relevant points fromt the port list
List<Entry> rowVector = new ArrayList<Entry>();
for (int i = 0; i < portList.size(); i++) {
GraphicalEditPart child = portList.get(i);
Rectangle bounds = getFigureBounds(child);
// get information is this is an inport
boolean inport = false;
if (portList.get(i) instanceof NodeInPortEditPart || portList.get(i) instanceof WorkflowInPortEditPart) {
inport = true;
}
// get information is this is a model port
rowVector.add(new Entry(0, bounds.y + (bounds.height - 1) / 2, inport, portList.get(i).getType()));
}
// add the port edit parts to a list
List<AbstractPortEditPart> dargedPortList = getPorts(dragedParts);
for (int i = 0; i < dargedPortList.size(); i++) {
// for each port get a possible connection (if connected)
AbstractPortEditPart portPart = dargedPortList.get(i);
List sourceConnections = portPart.getSourceConnections();
for (int j = 0; j < sourceConnections.size(); j++) {
ConnectionContainerEditPart conPart = (ConnectionContainerEditPart) sourceConnections.get(j);
Point p = ((Connection) conPart.getFigure()).getPoints().getPoint(2);
rowVector.add(new Entry(0, p.y, true, portPart.getType()));
}
List targetConnections = portPart.getTargetConnections();
for (int j = 0; j < targetConnections.size(); j++) {
ConnectionContainerEditPart conPart = (ConnectionContainerEditPart) targetConnections.get(j);
PointList pList = ((Connection) conPart.getFigure()).getPoints();
Point p = pList.getPoint(pList.size() - 3);
rowVector.add(new Entry(0, p.y, false, portPart.getType()));
}
}
List<Entry> colVector = new ArrayList<Entry>();
for (int i = 0; i < parts.size(); i++) {
GraphicalEditPart child = (GraphicalEditPart) parts.get(i);
Rectangle bounds = getFigureBounds(child);
colVector.add(new Entry(0, bounds.x + (bounds.width - 1) / 2));
}
m_rows = rowVector.toArray(new Entry[rowVector.size()]);
m_cols = colVector.toArray(new Entry[colVector.size()]);
}
use of org.knime.workbench.editor2.editparts.WorkflowInPortEditPart in project knime-core by knime.
the class PortGraphicalRoleEditPolicy method getConnectionCompleteCommand.
/**
* This tries to complete the command to create a connection.
*
* {@inheritDoc}
*/
@Override
protected Command getConnectionCompleteCommand(final CreateConnectionRequest request) {
// get the previously started command
CreateConnectionCommand cmd = (CreateConnectionCommand) request.getStartCommand();
if (cmd == null) {
return null;
}
EditPart target = request.getTargetEditPart();
if ((target instanceof NodeOutPortEditPart) || target instanceof WorkflowInPortEditPart) {
return null;
} else if (target instanceof NodeInPortEditPart || target instanceof WorkflowOutPortEditPart) {
cmd.setTargetPortID(((AbstractPortEditPart) target).getIndex());
cmd.setTargetNode((ConnectableEditPart) target.getParent());
} else if (target instanceof NodeContainerEditPart) {
if (cmd.wasStartedOnOutPort()) {
cmd.setTargetPortID(-1);
cmd.setTargetNode((NodeContainerEditPart) target);
} else {
cmd.setSourcePortID(-1);
cmd.setSourceNode((NodeContainerEditPart) target);
}
} else {
return null;
}
return cmd;
}
use of org.knime.workbench.editor2.editparts.WorkflowInPortEditPart in project knime-core by knime.
the class WorkflowContextMenuProvider method buildContextMenu.
/**
* {@inheritDoc}
*/
@Override
public void buildContextMenu(final IMenuManager manager) {
final String FLOW_VAR_PORT_GRP = "Flow Variable Ports";
// add the groups (grouped by separators) in their order first
manager.add(new Separator(IWorkbenchActionConstants.GROUP_APP));
manager.add(new Separator(FLOW_VAR_PORT_GRP));
GEFActionConstants.addStandardActionGroups(manager);
IAction action;
action = m_actionRegistry.getAction("cut");
manager.appendToGroup(GEFActionConstants.GROUP_EDIT, action);
((UpdateAction) action).update();
action = m_actionRegistry.getAction("copy");
manager.appendToGroup(GEFActionConstants.GROUP_EDIT, action);
((UpdateAction) action).update();
action = m_actionRegistry.getAction(PasteActionContextMenu.ID);
manager.appendToGroup(GEFActionConstants.GROUP_EDIT, action);
((UpdateAction) action).update();
action = m_actionRegistry.getAction("undo");
manager.appendToGroup(GEFActionConstants.GROUP_EDIT, action);
((UpdateAction) action).update();
action = m_actionRegistry.getAction("redo");
manager.appendToGroup(GEFActionConstants.GROUP_EDIT, action);
((UpdateAction) action).update();
action = m_actionRegistry.getAction("delete");
manager.appendToGroup(GEFActionConstants.GROUP_EDIT, action);
((UpdateAction) action).update();
// Add (some) available actions from the registry to the context menu
// manager
// openDialog
action = m_actionRegistry.getAction(OpenDialogAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// execute
action = m_actionRegistry.getAction(ExecuteAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// execute and open first view
action = m_actionRegistry.getAction(ExecuteAndOpenViewAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// cancel execution
action = m_actionRegistry.getAction(CancelAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// show some menu items on LoopEndNodes only
List parts = m_viewer.getSelectedEditParts();
if (parts.size() == 1) {
EditPart p = (EditPart) parts.get(0);
if (p instanceof NodeContainerEditPart) {
NodeContainerUI container = (NodeContainerUI) ((NodeContainerEditPart) p).getModel();
if (container instanceof SingleNodeContainerUI) {
SingleNodeContainerUI snc = (SingleNodeContainerUI) container;
Wrapper.unwrapOptional(snc, SingleNodeContainer.class).ifPresent(sncImpl -> {
if (sncImpl.isModelCompatibleTo(LoopEndNode.class)) {
// pause loop execution
IAction loopAction;
loopAction = m_actionRegistry.getAction(PauseLoopExecutionAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, loopAction);
((AbstractNodeAction) loopAction).update();
// step loop execution
loopAction = m_actionRegistry.getAction(StepLoopAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, loopAction);
((AbstractNodeAction) loopAction).update();
// resume loop execution
loopAction = m_actionRegistry.getAction(ResumeLoopAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, loopAction);
((AbstractNodeAction) loopAction).update();
}
});
}
}
}
// reset
action = m_actionRegistry.getAction(ResetAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// set name and description
action = m_actionRegistry.getAction(SetNodeDescriptionAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// add workflow annotation
action = m_actionRegistry.getAction(AddAnnotationAction.ID);
AddAnnotationAction aaa = (AddAnnotationAction) action;
aaa.setLocation(m_lastLocation.x, m_lastLocation.y);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// collapse metanodes
action = m_actionRegistry.getAction(CollapseMetaNodeAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
action = m_actionRegistry.getAction(EncapsulateSubNodeAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
// insert "select loop" if loop nodes are selected
boolean addSelectLoop = true;
for (Object p : parts) {
if (!(p instanceof NodeContainerEditPart)) {
addSelectLoop = false;
break;
}
NodeContainerUI nc = ((NodeContainerEditPart) p).getNodeContainer();
if (!(nc instanceof SingleNodeContainerUI)) {
addSelectLoop = false;
break;
}
if (!((SingleNodeContainerUI) nc).isMemberOfScope()) {
addSelectLoop = false;
break;
}
}
if (addSelectLoop) {
action = m_actionRegistry.getAction(SelectLoopAction.ID);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
((AbstractNodeAction) action).update();
}
IMenuManager metanodeMenuMgr = null;
IMenuManager subnodeMenuMgr = null;
IMenuManager subnodeViewMgr = null;
// depending on the current selection: add the actions for the port
// views and the node views
// also check whether this node part is a meta-node
// if so offer the "edit meta-node" option
// all these feature are only offered if exactly 1 part is selected
parts = m_viewer.getSelectedEditParts();
// by now, we only support one part...
if (parts.size() == 1) {
EditPart p = (EditPart) parts.get(0);
if (p instanceof WorkflowInPortBarEditPart) {
WorkflowInPortBarEditPart root = (WorkflowInPortBarEditPart) p;
manager.add(new Separator("outPortViews"));
for (Object o : p.getChildren()) {
EditPart child = (EditPart) o;
if (child instanceof WorkflowInPortEditPart && ((WorkflowInPortEditPart) child).isSelected()) {
final WorkflowManager wm = Wrapper.unwrapWFM(((WorkflowPortBar) root.getModel()).getWorkflowManager());
action = new OpenWorkflowPortViewAction(wm, ((WorkflowInPortEditPart) child).getIndex(), wm.getNrInPorts());
manager.appendToGroup("outPortViews", action);
((WorkflowInPortEditPart) child).setSelected(false);
}
}
}
if (p instanceof NodeContainerEditPart) {
NodeContainerUI container = null;
container = (NodeContainerUI) ((NodeContainerEditPart) p).getModel();
if (!(container instanceof WorkflowManagerUI)) {
action = m_actionRegistry.getAction(ToggleFlowVarPortsAction.ID);
manager.appendToGroup(FLOW_VAR_PORT_GRP, action);
((AbstractNodeAction) action).update();
}
// add for node views option if applicable
int numNodeViews = container.getNrViews();
for (int i = 0; i < numNodeViews; i++) {
action = new OpenViewAction(unwrapNC(container), i);
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
}
// add interactive view options
if (container.hasInteractiveView()) {
action = new OpenInteractiveViewAction(unwrapNC(container));
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
} else {
// TODO for subnodes move to submenu?
if (wraps(container, NativeNodeContainer.class)) {
InteractiveWebViewsResult interactiveWebViewsResult = unwrapNC(container).getInteractiveWebViews();
for (int i = 0; i < interactiveWebViewsResult.size(); i++) {
action = new OpenInteractiveWebViewAction(unwrapNC(container), interactiveWebViewsResult.get(i));
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
}
}
}
if (container instanceof WorkflowManagerUI) {
metanodeMenuMgr = getMetaNodeMenuManager(metanodeMenuMgr, manager);
// OPEN META NODE
action = new OpenSubworkflowEditorAction((NodeContainerEditPart) p);
metanodeMenuMgr.appendToGroup(GROUP_METANODE, action);
// EXPAND META NODE
action = m_actionRegistry.getAction(ExpandMetaNodeAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE, action);
((AbstractNodeAction) action).update();
// RECONFIGURE META NODE
if (parts.size() == 1) {
action = m_actionRegistry.getAction(MetaNodeReconfigureAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE, action);
((AbstractNodeAction) action).update();
}
// WRAP
action = m_actionRegistry.getAction(ConvertMetaNodeToSubNodeAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE, action);
((AbstractNodeAction) action).update();
}
// SUBNODE
if (container instanceof SubNodeContainerUI) {
subnodeMenuMgr = getSubNodeMenuManager(subnodeMenuMgr, manager);
// OPEN SUBNODE
action = new OpenSubNodeEditorAction((NodeContainerEditPart) p);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE, action);
// EXPAND SUBNODE
action = m_actionRegistry.getAction(ExpandSubNodeAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE, action);
((AbstractNodeAction) action).update();
// RECONFIGURE SUBNODE
action = m_actionRegistry.getAction(SubNodeReconfigureAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE, action);
((AbstractNodeAction) action).update();
// UNWRAP
action = m_actionRegistry.getAction(ConvertSubNodeToMetaNodeAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE, action);
((AbstractNodeAction) action).update();
if (wraps(container, SubNodeContainer.class)) {
InteractiveWebViewsResult interactiveWebViewsResult = unwrapNC(container).getInteractiveWebViews();
if (interactiveWebViewsResult.size() > 0) {
subnodeViewMgr = getSingleSubNodeViewsMenuManager(subnodeViewMgr, subnodeMenuMgr);
for (int i = 0; i < interactiveWebViewsResult.size(); i++) {
action = new OpenInteractiveWebViewAction(unwrapNC(container), interactiveWebViewsResult.get(i));
subnodeViewMgr.appendToGroup(GROUP_SUBNODE_VIEWS, action);
}
}
action = new OpenSubnodeWebViewAction(Wrapper.unwrap(container, SubNodeContainer.class));
manager.appendToGroup(IWorkbenchActionConstants.GROUP_APP, action);
}
}
// add port views
manager.add(new Separator("outPortViews"));
int numOutPorts = container.getNrOutPorts();
for (int i = 0; i < numOutPorts; i++) {
if (i == 0 && !(container instanceof WorkflowManagerUI)) {
// skip the implicit flow var ports on "normal" nodes
continue;
}
if (wraps(container, NodeContainer.class)) {
action = new OpenPortViewAction(unwrapNC(container), i, numOutPorts);
manager.appendToGroup("outPortViews", action);
}
}
}
}
boolean addMetaNodeActions = false;
boolean addSubNodeActions = false;
for (Object p : parts) {
if (p instanceof NodeContainerEditPart) {
NodeContainerUI model = ((NodeContainerEditPart) p).getNodeContainer();
if (model instanceof WorkflowManagerUI) {
addMetaNodeActions = true;
} else if (model instanceof SubNodeContainerUI) {
addSubNodeActions = true;
}
}
}
if (addMetaNodeActions) {
metanodeMenuMgr = getMetaNodeMenuManager(metanodeMenuMgr, manager);
// SAVE AS TEMPLATE
action = m_actionRegistry.getAction(SaveAsMetaNodeTemplateAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE_LINKS, action);
((AbstractNodeAction) action).update();
// CHECK UPDATE
action = m_actionRegistry.getAction(CheckUpdateMetaNodeLinkAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE_LINKS, action);
((AbstractNodeAction) action).update();
// DISCONNECT
action = m_actionRegistry.getAction(DisconnectMetaNodeLinkAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE_LINKS, action);
((AbstractNodeAction) action).update();
// LINK TYPE
action = m_actionRegistry.getAction(ChangeMetaNodeLinkAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE_LINKS, action);
((AbstractNodeAction) action).update();
// REVEAL TEMPLATE
action = m_actionRegistry.getAction(RevealMetaNodeTemplateAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE_LINKS, action);
((AbstractNodeAction) action).update();
// LOCK
if (Boolean.getBoolean(KNIMEConstants.PROPERTY_SHOW_METANODE_LOCK_ACTION)) {
action = m_actionRegistry.getAction(LockMetaNodeAction.ID);
metanodeMenuMgr.appendToGroup(GROUP_METANODE, action);
((AbstractNodeAction) action).update();
}
}
if (addSubNodeActions) {
subnodeMenuMgr = getSubNodeMenuManager(subnodeMenuMgr, manager);
// SAVE AS TEMPLATE (SUBNODE)
action = m_actionRegistry.getAction(SaveAsSubNodeTemplateAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE_LINKS, action);
((AbstractNodeAction) action).update();
// CHECK UPDATE (SUBNODE)
action = m_actionRegistry.getAction(CheckUpdateMetaNodeLinkAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE_LINKS, action);
((AbstractNodeAction) action).update();
// DISCONNECT LINK (SUBNODE)
action = m_actionRegistry.getAction(DisconnectSubNodeLinkAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE_LINKS, action);
((AbstractNodeAction) action).update();
// CHANGE LINK (SUBNODE)
action = m_actionRegistry.getAction(ChangeSubNodeLinkAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE_LINKS, action);
((AbstractNodeAction) action).update();
// REVEAL TEMPLATE (SUBNODE)
action = m_actionRegistry.getAction(RevealSubNodeTemplateAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE_LINKS, action);
((AbstractNodeAction) action).update();
// LOCK SUBNODE
if (Boolean.getBoolean(KNIMEConstants.PROPERTY_SHOW_METANODE_LOCK_ACTION)) {
action = m_actionRegistry.getAction(LockSubNodeAction.ID);
subnodeMenuMgr.appendToGroup(GROUP_SUBNODE, action);
((AbstractNodeAction) action).update();
}
}
manager.updateAll(true);
}
use of org.knime.workbench.editor2.editparts.WorkflowInPortEditPart in project knime-core by knime.
the class WorkflowEditPartFactory method createEditPart.
/**
* Creates the referring edit parts for the following parts of the model.
* <ul>
* <li>{@link WorkflowManager}: either {@link WorkflowRootEditPart} or {@link NodeContainerEditPart} (depending on
* the currently displayed level)</li>
* <li>{@link SingleNodeContainer}: {@link NodeContainerEditPart}</li>
* <li>{@link NodeInPort}: {@link NodeInPortEditPart}</li>
* <li>{@link NodeOutPort}: {@link NodeOutPortEditPart}</li>
* <li>{@link ConnectionContainer}: {@link ConnectionContainerEditPart}</li>
* <li>{@link WorkflowInPort}: {@link WorkflowInPortEditPart}</li>
* <li>{@link WorkflowOutPort}: {@link WorkflowOutPortEditPart}</li>
* </ul>
*
* The {@link WorkflowRootEditPart} has its {@link NodeContainer}s and its {@link WorkflowInPort}s and
* {@link WorkflowOutPort}s as model children. The {@link NodeContainerEditPart} has its {@link NodePort}s as its
* children.
*
* @see WorkflowRootEditPart#getModelChildren()
* @see NodeContainerEditPart#getModelChildren()
*
* @throws IllegalArgumentException if any other object is passed
*
* {@inheritDoc}
*/
@Override
public EditPart createEditPart(final EditPart context, final Object model) {
// instantiated here
// correct type in the if statement
// model at the end of method
EditPart part = null;
if (model instanceof WorkflowManagerUI) {
// this is out "root" workflow manager
if (m_isTop) {
// all following objects of type WorkflowManager are treated as
// metanodes and displayed as NodeContainers
m_isTop = false;
part = new WorkflowRootEditPart();
} else {
// we already have a "root" workflow manager
// must be a metanode
part = new SubworkflowEditPart();
}
} else if (model instanceof NodeAnnotation) {
/* IMPORTANT: first test NodeAnnotation then Annotation (as the
* first derives from the latter! */
part = new NodeAnnotationEditPart();
} else if (model instanceof Annotation) {
/* IMPORTANT: first test NodeAnnotation then Annotation (as the
* first derives from the latter! */
/* workflow annotations hang off the workflow manager */
part = new AnnotationEditPart();
} else if (model instanceof WorkflowPortBar) {
WorkflowPortBar bar = (WorkflowPortBar) model;
if (bar.isInPortBar()) {
part = new WorkflowInPortBarEditPart();
} else {
part = new WorkflowOutPortBarEditPart();
}
} else if (model instanceof SingleNodeContainerUI) {
// SingleNodeContainer -> NodeContainerEditPart
part = new NodeContainerEditPart();
// we have to test for WorkflowInPort first because it's a
// subclass of NodeInPort (same holds for WorkflowOutPort and
// NodeOutPort)
} else if (model instanceof WorkflowInPortUI && context instanceof WorkflowInPortBarEditPart) {
// WorkflowInPort and context WorkflowRootEditPart ->
// WorkflowInPortEditPart
/*
* if the context is a WorkflowRootEditPart it indicates that the
* WorkflowInPort is a model child of the WorkflowRootEditPart, i.e.
* we look at it as a workflow in port. If the context is a
* NodeContainerEditPart the WorkflowInPort is a model child of a
* NodeContainerEditPart and we look at it as a node in port.
*/
WorkflowInPortUI inport = (WorkflowInPortUI) model;
part = new WorkflowInPortEditPart(inport.getPortType(), inport.getPortIndex());
} else if (model instanceof WorkflowOutPortUI && context instanceof WorkflowOutPortBarEditPart) {
// WorkflowOutPort and context WorkflowRootEditPart ->
// WorkflowOutPortEditPart
/*
* if the context is a WorkflowRootEditPart it indicates that the
* WorkflowOutPort is a model child of the WorkflowRootEditPart,
* i.e. we look at it as a workflow out port. If the context is a
* NodeContainerEditPart the WorkflowOutPort is a model child of a
* NodeContainerEditPart and we look at it as a node out port.
*/
// TODO: return SubWorkFlowOutPortEditPart
WorkflowOutPortUI outport = (WorkflowOutPortUI) model;
part = new WorkflowOutPortEditPart(outport.getPortType(), outport.getPortIndex());
} else if (model instanceof WorkflowOutPortUI) {
// TODO: return SubWorkFlowOutPortEditPart
WorkflowOutPortUI outport = (WorkflowOutPortUI) model;
part = new MetaNodeOutPortEditPart(outport.getPortType(), outport.getPortIndex());
} else if (model instanceof NodeInPortUI) {
// NodeInPort -> NodeInPortEditPart
NodePortUI port = (NodeInPortUI) model;
part = new NodeInPortEditPart(port.getPortType(), port.getPortIndex());
} else if (model instanceof NodeOutPortUI) {
// NodeOutPort -> NodeOutPortEditPart
NodePortUI port = (NodeOutPortUI) model;
part = new NodeOutPortEditPart(port.getPortType(), port.getPortIndex());
} else if (model instanceof ConnectionContainerUI) {
// ConnectionContainer -> ConnectionContainerEditPart
part = new ConnectionContainerEditPart();
} else {
throw new IllegalArgumentException("unknown model obj: " + model);
}
// associate the model with the part (= the controller)
part.setModel(model);
return part;
}
use of org.knime.workbench.editor2.editparts.WorkflowInPortEditPart in project knime-core by knime.
the class PortGraphicalRoleEditPolicy method getConnectionCreateCommand.
/**
* This tries to initialize the command to create a connection as far as
* possible. However, it is completed by
* <code>getConnectionCompleteCommand</code>
*
* {@inheritDoc}
*/
@Override
protected Command getConnectionCreateCommand(final CreateConnectionRequest req) {
if (!(getHost() instanceof AbstractPortEditPart)) {
return null;
}
ConnectableEditPart nodePart = (ConnectableEditPart) getHost().getParent();
WorkflowManagerUI wm;
// TODO: if NodeContainerEditPart -> getParent
if (nodePart instanceof NodeContainerEditPart) {
NodeContainerEditPart p = (NodeContainerEditPart) nodePart;
wm = p.getWorkflowManager();
} else if (nodePart instanceof WorkflowInPortBarEditPart) {
WorkflowInPortBarEditPart barEditPart = (WorkflowInPortBarEditPart) nodePart;
WorkflowPortBar model = (WorkflowPortBar) barEditPart.getModel();
wm = model.getWorkflowManager();
} else {
return null;
}
CreateConnectionCommand cmd = new CreateConnectionCommand(Wrapper.unwrapWFM(wm));
if (getHost() instanceof NodeOutPortEditPart || getHost() instanceof WorkflowInPortEditPart || getHost() instanceof MetaNodeOutPortEditPart) {
// request started on out port?
cmd.setSourceNode(nodePart);
cmd.setSourcePortID(((AbstractPortEditPart) getHost()).getIndex());
cmd.setStartedOnOutPort(true);
} else if (getHost() instanceof NodeInPortEditPart || getHost() instanceof WorkflowOutPortEditPart) {
return null;
}
// we need the manager to execute the command
// we must remember this partially initialized command in the request.
req.setStartCommand(cmd);
return cmd;
}
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