Examples with EditPart org.eclipse.gef.EditPart used on opensource projects

Example 56 with EditPart

use of org.eclipse.gef.EditPart in project knime-core by knime.

the class NodeContainerEditPart method deactivate.

/**
 * {@inheritDoc}
 */
@Override
public void deactivate() {
    NodeContainerUI nc = getNodeContainer();
    IPreferenceStore store = KNIMEUIPlugin.getDefault().getPreferenceStore();
    store.removePropertyChangeListener(this);
    nc.removeNodeStateChangeListener(this);
    nc.removeNodeMessageListener(this);
    nc.removeNodeProgressListener(this);
    nc.removeUIInformationListener(this);
    nc.removeNodePropertyChangedListener(this);
    removeEditPartListener(this);
    for (Object o : getChildren()) {
        EditPart editPart = (EditPart) o;
        editPart.deactivate();
    }
    EditPolicyIterator editPolicyIterator = getEditPolicyIterator();
    while (editPolicyIterator.hasNext()) {
        editPolicyIterator.next().deactivate();
    }
    super.deactivate();
}

Example 57 with EditPart

use of org.eclipse.gef.EditPart in project knime-core by knime.

the class SnapIconToGrid method snapRectangle.

/**
 * {@inheritDoc}
 */
@Override
public int snapRectangle(final Request request, final int snapLocations, final PrecisionRectangle rect, final PrecisionRectangle result) {
    PrecisionRectangle r = rect;
    if (request instanceof ChangeBoundsRequest) {
        EditPart refPart = getReferencePart(((ChangeBoundsRequest) request).getEditParts(), ((ChangeBoundsRequest) request).getLocation(), ((ChangeBoundsRequest) request).getMoveDelta());
        if (refPart instanceof NodeContainerEditPart) {
            // adjust the rectangle to snap the center of the icon of the node
            NodeContainerEditPart contPart = (NodeContainerEditPart) refPart;
            NodeContainerFigure fig = (NodeContainerFigure) contPart.getFigure();
            Point iconOffset = getIconOffset(fig);
            r = rect.getPreciseCopy();
            r.translate(iconOffset);
        } else if (refPart instanceof NodeAnnotationEditPart) {
            // the rect is the annotation outline - adjust it to snap the center of the corresponding node icon
            NodeAnnotationEditPart annoPart = (NodeAnnotationEditPart) refPart;
            WorkflowRootEditPart parent = (WorkflowRootEditPart) annoPart.getParent();
            IFigure annoFig = annoPart.getFigure();
            NodeAnnotation anno = (NodeAnnotation) annoPart.getModel();
            NodeContainerEditPart nodePart = (NodeContainerEditPart) m_container.getViewer().getEditPartRegistry().get(parent.getWorkflowManager().getNodeContainer(anno.getNodeID()));
            NodeContainerFigure nodeFig = (NodeContainerFigure) nodePart.getFigure();
            Point iconOffset = getIconOffset(nodeFig);
            int xOff = nodeFig.getBounds().x - annoFig.getBounds().x;
            xOff += iconOffset.x;
            int yOff = iconOffset.y - nodeFig.getBounds().height;
            r = rect.getPreciseCopy();
            r.translate(new Point(xOff, yOff));
        }
    }
    return super.snapRectangle(request, snapLocations, r, result);
}

Example 58 with EditPart

use of org.eclipse.gef.EditPart in project knime-core by knime.

the class WorkflowEditorDropTargetListener method dragOver.

/**
 * {@inheritDoc}
 *
 * Marks nodes or edges if a new node should replace an old node or should be inserted on an edge.
 */
@Override
public void dragOver(final DropTargetEvent event) {
    WorkflowManagerUI wfm = ((WorkflowRootEditPart) getViewer().getRootEditPart().getContents()).getWorkflowManager();
    m_node = null;
    m_edge = null;
    m_nodeCount = 0;
    m_edgeCount = 0;
    // edge-/nodedist
    double edgedist = Integer.MAX_VALUE;
    double nodedist = Integer.MAX_VALUE;
    Point dropLocation = getDropLocation(event);
    EditPart ep = getViewer().findObjectAt(dropLocation.getTranslated(0, 0));
    if (ep instanceof NodeContainerEditPart) {
        double temp = dropLocation.getDistance(dropLocation.getTranslated(0, 0));
        // choose nearest node to mouse position
        if (nodedist >= temp) {
            m_node = (NodeContainerEditPart) ep;
            nodedist = temp;
        }
        m_nodeCount++;
    } else if (ep instanceof ConnectionContainerEditPart) {
        double temp = dropLocation.getDistance(dropLocation.getTranslated(0, 0));
        // choose nearest edge to mouse-position
        if (edgedist >= temp) {
            m_edge = (ConnectionContainerEditPart) ep;
            edgedist = temp;
        }
        m_edgeCount++;
    }
    unmark(wfm);
    if (m_node != null && m_nodeCount >= m_edgeCount) {
        m_markedNode = m_node;
        m_markedNode.mark();
        // workaround for eclipse bug 393868 (https://bugs.eclipse.org/bugs/show_bug.cgi?id=393868)
        WindowsDNDHelper.hideDragImage();
    } else if (m_edge != null) {
        m_edgeColor = m_edge.getFigure().getForegroundColor();
        m_edgeWidth = ((ProgressPolylineConnection) m_edge.getFigure()).getLineWidth();
        m_markedEdge = m_edge;
        ((ProgressPolylineConnection) m_markedEdge.getFigure()).setLineWidth(m_edgeWidth + 3);
        m_markedEdge.getFigure().setForegroundColor(RED);
        // workaround for eclipse bug 393868 (https://bugs.eclipse.org/bugs/show_bug.cgi?id=393868)
        WindowsDNDHelper.hideDragImage();
    }
}

Example 59 with EditPart

use of org.eclipse.gef.EditPart in project knime-core by knime.

the class AnnotationEditPart method performEdit.

/**
 * Opens the editor to directoy edit the annotation in place.
 */
public void performEdit() {
    final EditPart parent = getParent();
    if (parent instanceof WorkflowRootEditPart) {
        WorkflowRootEditPart wkfRootEdit = (WorkflowRootEditPart) parent;
        if (wkfRootEdit.getWorkflowManager().isWriteProtected()) {
            return;
        }
    }
    if (m_directEditManager == null) {
        m_directEditManager = new AnnotationEditManager(this, new StyledTextEditorLocator((NodeAnnotationFigure) getFigure()));
    }
    m_directEditManager.show();
}

Example 60 with EditPart

use of org.eclipse.gef.EditPart in project knime-core by knime.

the class WorkflowRootEditPart method createChild.

/**
 * {@inheritDoc}
 */
@Override
protected EditPart createChild(final Object model) {
    final EditPart part = super.createChild(model);
    LOGGER.debug("part: " + part);
    if (part instanceof NodeContainerEditPart) {
        getViewer().deselect(this);
        NodeID id = ((NodeContainerEditPart) part).getNodeContainer().getID();
        if (m_futureSelection.isEmpty()) {
            // select only this element
            getViewer().deselectAll();
            getViewer().select(part);
        } else if (m_futureSelection.contains(id)) {
            // append this element to the current selection
            getViewer().appendSelection(part);
            m_futureSelection.remove(id);
            // reveal the editpart after it has been created completely
            Display.getCurrent().asyncExec(new Runnable() {

                @Override
                public void run() {
                    getViewer().reveal(part);
                }
            });
        }
    }
    if (model instanceof Annotation) {
        // newly created annotations are only selected if done explicitly
        getViewer().deselect(this);
        if (m_annotationSelection.contains(model)) {
            getViewer().appendSelection(part);
            m_annotationSelection.remove(model);
            // reveal the editpart after it has been created completely
            Display.getCurrent().asyncExec(new Runnable() {

                @Override
                public void run() {
                    getViewer().reveal(part);
                }
            });
        }
    }
    // connections are selected in workflowChanged
    return part;
}