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

Example 31 with GraphicalViewer

use of org.eclipse.gef.GraphicalViewer in project yamcs-studio by yamcs.

the class SelectParentHandler method execute.

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    GraphicalViewer viewer = HandlerUtil.getActivePart(event).getAdapter(GraphicalViewer.class);
    if (viewer == null)
        return null;
    ISelection currentSelection = viewer.getSelection();
    if (currentSelection instanceof IStructuredSelection) {
        Object element = ((IStructuredSelection) currentSelection).getFirstElement();
        if (element instanceof AbstractBaseEditPart && !(element instanceof DisplayEditpart)) {
            if (((AbstractBaseEditPart) element).getParent().isSelectable())
                ((AbstractBaseEditPart) element).getViewer().select(((AbstractBaseEditPart) element).getParent());
            else
                ConsoleUtil.writeWarning("Parent of the selected widget is unselectable. Its grandparent may be locked.");
        }
    }
    return null;
}

Example 32 with GraphicalViewer

use of org.eclipse.gef.GraphicalViewer in project yamcs-studio by yamcs.

the class LockUnlockChildrenHandler method execute.

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    GraphicalViewer viewer = HandlerUtil.getActivePart(event).getAdapter(GraphicalViewer.class);
    if (viewer == null)
        return null;
    ISelection currentSelection = viewer.getSelection();
    if (currentSelection instanceof IStructuredSelection) {
        Object element = ((IStructuredSelection) currentSelection).getFirstElement();
        if (element instanceof GroupingContainerEditPart) {
            CommandStack commandStack = HandlerUtil.getActivePart(event).getAdapter(CommandStack.class);
            if (commandStack != null)
                commandStack.execute(LockUnlockChildrenAction.createLockUnlockCommand(((GroupingContainerEditPart) element).getWidgetModel()));
        }
    }
    return null;
}

Example 33 with GraphicalViewer

use of org.eclipse.gef.GraphicalViewer in project yamcs-studio by yamcs.

the class LinkingContainerModel method scaleChildren.

/**
 * Scale its children.
 */
@Override
public void scaleChildren() {
    if (isAutoFit())
        return;
    // The linking container model doesn't hold its children actually, so it
    // has to ask editpart to get its children.
    GraphicalViewer viewer = getRootDisplayModel().getViewer();
    if (viewer == null)
        return;
    LinkingContainerEditpart editpart = (LinkingContainerEditpart) viewer.getEditPartRegistry().get(this);
    Dimension size = getSize();
    double newWidthRatio = size.width / (double) getOriginSize().width;
    double newHeightRatio = size.height / (double) getOriginSize().height;
    boolean allowScale = true;
    if (getDisplayModel() != null) {
        allowScale = getDisplayModel().getDisplayScaleData().isAutoScaleWidgets();
        if (allowScale) {
            int minWidth = getDisplayModel().getDisplayScaleData().getMinimumWidth();
            if (minWidth < 0) {
                minWidth = getDisplayModel().getWidth();
            }
            int minHeight = getDisplayModel().getDisplayScaleData().getMinimumHeight();
            if (minHeight < 0) {
                minHeight = getDisplayModel().getHeight();
            }
            if (getWidth() * newWidthRatio < minWidth)
                newWidthRatio = minWidth / (double) getOriginSize().width;
            if (getHeight() * newHeightRatio < minHeight)
                newHeightRatio = minHeight / (double) getOriginSize().height;
        }
    }
    if (allowScale)
        for (Object child : editpart.getChildren()) ((AbstractBaseEditPart) child).getWidgetModel().scale(newWidthRatio, newHeightRatio);
}

Example 34 with GraphicalViewer

use of org.eclipse.gef.GraphicalViewer in project yamcs-studio by yamcs.

the class ExecuteJavaScriptJdkAction method run.

@Override
public void run() {
    if (scriptEngine == null) {
        try {
            scriptEngine = ScriptStoreFactory.getJavaScriptEngine();
        } catch (Exception exception) {
            ErrorHandlerUtil.handleError("Failed to get Script Context", exception);
            return;
        }
        scriptScope = scriptEngine.createBindings();
        GraphicalViewer viewer = getWidgetModel().getRootDisplayModel().getViewer();
        if (viewer != null) {
            Object obj = viewer.getEditPartRegistry().get(getWidgetModel());
            if (obj != null && obj instanceof AbstractBaseEditPart) {
                scriptScope.put(ScriptService.DISPLAY, viewer.getContents());
                scriptScope.put(ScriptService.WIDGET, obj);
            }
        }
    }
    Job job = new Job("Execute JavaScript") {

        @Override
        protected IStatus run(IProgressMonitor monitor) {
            String taskName = isEmbedded() ? "Execute JavaScript" : "Connecting to " + getAbsolutePath();
            monitor.beginTask(taskName, IProgressMonitor.UNKNOWN);
            runTask();
            monitor.done();
            return Status.OK_STATUS;
        }
    };
    job.setUser(true);
    job.schedule();
}

Example 35 with GraphicalViewer

use of org.eclipse.gef.GraphicalViewer in project yamcs-studio by yamcs.

the class ExecuteJavaScriptRhinoAction method run.

@Override
public void run() {
    if (scriptContext == null) {
        try {
            scriptContext = ScriptStoreFactory.getRhinoContext();
        } catch (Exception exception) {
            ErrorHandlerUtil.handleError("Failed to get Script Context", exception);
            return;
        }
        scriptScope = new ImporterTopLevel(scriptContext);
        GraphicalViewer viewer = getWidgetModel().getRootDisplayModel().getViewer();
        if (viewer != null) {
            Object obj = viewer.getEditPartRegistry().get(getWidgetModel());
            if (obj != null && obj instanceof AbstractBaseEditPart) {
                Object displayObject = Context.javaToJS(viewer.getContents(), scriptScope);
                Object widgetObject = Context.javaToJS(obj, scriptScope);
                ScriptableObject.putProperty(scriptScope, ScriptService.DISPLAY, displayObject);
                ScriptableObject.putProperty(scriptScope, ScriptService.WIDGET, widgetObject);
            }
        }
    }
    Job job = new Job("Execute JavaScript") {

        @Override
        protected IStatus run(IProgressMonitor monitor) {
            String taskName = isEmbedded() ? "Execute JavaScript" : "Connecting to " + getAbsolutePath();
            monitor.beginTask(taskName, IProgressMonitor.UNKNOWN);
            runTask();
            monitor.done();
            return Status.OK_STATUS;
        }
    };
    job.setUser(true);
    job.schedule();
}