Example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty

List of usage examples for org.eclipse.jface.viewers IStructuredSelection isEmpty

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty.

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:com.nokia.tools.vct.confml.editor.view.ViewsEditor.java

License:Open Source License

private void createViewTreeViewer(Composite parent) {
    viewTv = new ViewTreeViewer(parent, SWT.MULTI | SWT.BORDER);
    viewTv.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
    viewTv.setContentProvider(new ViewTreeViewerContentProvider());
    ViewTreeViewerLabelProvider labelProvider = new ViewTreeViewerLabelProvider();
    labelProvider.setViewer(viewTv);/*from w  ww.j  a  va 2s  .  com*/
    viewTv.setLabelProvider(new DecoratingLabelProvider(labelProvider,
            PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));

    viewTv.setAutoExpandLevel(2);
    viewTv.getTree().addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
            switch (e.keyCode) {
            case SWT.DEL:
                // do not use action here...

                IStructuredSelection selection = (IStructuredSelection) viewTv.getSelection();
                if (selection.isEmpty()) {
                    return;
                }
                Object[] selected = selection.toArray();

                List<EObject> list = new ArrayList<EObject>();
                for (Object o : selected) {
                    if (isFromRootView((EObject) o) && (o instanceof EGroup || o instanceof ESettingRef)) {
                        list.add((EObject) o);
                    } else if (isViewUnderRoot((EObject) o) && o instanceof EView) {
                        list.add((EObject) o);
                    }
                }
                if (!list.isEmpty()) {
                    DeleteCommand dc = new DeleteCommand(ViewsEditor.this, list);
                    getCommandStack().execute(dc);
                }

                break;
            default:
                break;
            }
        }
    });

    viewTv.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            ISelection selection = event.getSelection();
            if (selection.isEmpty() || !(selection instanceof IStructuredSelection)) {
                return;
            }

            Object selected = ((IStructuredSelection) selection).getFirstElement();
            if (selected == null) {
                return;
            }
            if (selected instanceof ESettingRef) {
                selected = ((ESettingRef) selected).getTarget();
            }
            if (selected instanceof EResourceLocator) {
                // URI uri = ((EResourceLocator) selected).getResourceUri();
                // EConfMLResource res =
                // EditorUtils.getConfMLResource((EObject)selected);
                // EditorUtils.openEditor(uri, null);
            } else {
                return;
            }
        }
    });

}

From source file:com.nokia.trace.eventview.TraceEventView.java

License:Open Source License

/**
 * Adds menu listener to popup menu/*from  w ww  .ja  v  a2  s  .  c om*/
 */
private void hookContextMenu() {

    // Create menumanager
    MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
    menuMgr.setRemoveAllWhenShown(true);

    // Create the menu when event is received
    menuMgr.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager manager) {
            IStructuredSelection selection = (IStructuredSelection) table.getSelection();
            if (!selection.isEmpty()) {
                EventListEntry entry = (EventListEntry) selection.getFirstElement();
                removeEventAction.setEntry(entry);
                manager.add(removeAllEventsAction);
                manager.add(removeEventAction);
                if (entry.hasSourceActions()) {
                    manager.add(new Separator());
                    entry.addSourceActions(manager);
                }
                manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
            }
        }
    });

    // Set the menu in to the table
    Menu menu = menuMgr.createContextMenu(table.getControl());
    table.getControl().setMenu(menu);
    getSite().registerContextMenu(menuMgr, table);
}

From source file:com.nokia.tracebuilder.eventhandler.EventListSelectionListener.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        EventListEntry entry = (EventListEntry) selection.getFirstElement();
        if (entry instanceof EventListEntryTraceObject) {
            TraceBuilderGlobals.getTraceBuilder()
                    .traceObjectSelected(((EventListEntryTraceObject) entry).getObject(), true, false);
        } else if (entry instanceof EventListEntryTraceLocation) {
            TraceLocation location = ((EventListEntryTraceLocation) entry).getTraceLocation();
            if (!location.isDeleted()) {
                TraceBuilderGlobals.getTraceBuilder().locationSelected(location.getLocationList(), location,
                        true);/*from   ww  w.  jav a  2s  .c  o m*/
            }
        } else if (entry instanceof EventListEntrySourceLocation) {
            SourceLocation location = ((EventListEntrySourceLocation) entry).getLocation();
            location.selectFromSource();
        }
    }
}

From source file:com.osp.ide.internal.ui.wizards.classwizard.NewClassWizardUtil.java

License:Open Source License

/**
 * Returns the C Element which corresponds to the given selection.
 * //  www  .j a va  2  s.  c om
 * @param selection the selection to be inspected
 * @return a C element matching the selection, or <code>null</code>
 * if no C element exists in the given selection
 */
public static ICElement getCElementFromSelection(IStructuredSelection selection) {
    ICElement celem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            celem = (ICElement) adaptable.getAdapter(ICElement.class);
            if (celem == null) {
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (celem == null && resource.getType() != IResource.PROJECT) {
                        celem = (ICElement) resource.getAdapter(ICElement.class);
                        resource = resource.getParent();
                    }
                    if (celem == null) {
                        celem = CoreModel.getDefault().create(resource); // c project
                    }
                }
            }
        }
    }
    return celem;
}

From source file:com.osp.ide.internal.ui.wizards.filewizard.AbstractFileCreationWizardPage.java

License:Open Source License

/**
 * Utility method to inspect a selection to find a C element. 
 * /*from w ww . ja v a2 s.  com*/
 * @param selection the selection to be inspected
 * @return a C element to be used as the initial selection, or <code>null</code>,
 * if no C element exists in the given selection
 */
protected ICElement getInitialCElement(IStructuredSelection selection) {
    ICElement celem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            celem = (ICElement) adaptable.getAdapter(ICElement.class);
            if (celem == null) {
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (celem == null && resource.getType() != IResource.PROJECT) {
                        celem = (ICElement) resource.getAdapter(ICElement.class);
                        resource = resource.getParent();
                    }
                    if (celem == null) {
                        celem = CoreModel.getDefault().create(resource); // c project
                    }
                }
            }
        }
    }
    if (celem == null) {
        IWorkbenchPart part = CUIPlugin.getActivePage().getActivePart();
        if (part instanceof ContentOutline) {
            part = CUIPlugin.getActivePage().getActiveEditor();
        }

        if (part instanceof IViewPartInputProvider) {
            Object elem = ((IViewPartInputProvider) part).getViewPartInput();
            if (elem instanceof ICElement) {
                celem = (ICElement) elem;
            }
        }

        if (celem == null && part instanceof CEditor) {
            IEditorInput input = ((IEditorPart) part).getEditorInput();
            if (input != null) {
                final IResource res = (IResource) input.getAdapter(IResource.class);
                if (res != null && res instanceof IFile) {
                    celem = CoreModel.getDefault().create((IFile) res);
                }
            }
        }
    }

    if (celem == null || celem.getElementType() == ICElement.C_MODEL) {
        try {
            ICProject[] projects = CoreModel.create(getWorkspaceRoot()).getCProjects();
            if (projects.length == 1) {
                celem = projects[0];
            }
        } catch (CModelException e) {
            CUIPlugin.log(e);
        }
    }
    return celem;
}

From source file:com.predic8.plugin.membrane.dialogs.rule.AddInterceptorDialog.java

License:Apache License

@Override
protected void okPressed() {
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
    if (selection == null || selection.isEmpty())
        close();//  w  ww . ja v  a2 s .  co m

    interceptorComposite.addNewInterceptor((Interceptor) selection.getFirstElement());

    super.okPressed();
}

From source file:com.predic8.plugin.membrane.dialogs.rule.composites.ProxyInterceptorTabComposite.java

License:Apache License

private TableViewer createTableViewer(Composite listComposite) {
    final TableViewer viewer = new TableViewer(listComposite,
            SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    createColumns(viewer);/*from  w  ww.j  a  v  a  2 s .  c  o m*/
    viewer.setContentProvider(new InterceptorTableViewerContentProvider());
    viewer.setLabelProvider(new InterceptorTableViewerLabelProvider());

    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
            if (selection == null || selection.isEmpty()) {
                controlsComposite.enableDependentButtons(false);
                return;
            }
            controlsComposite.enableDependentButtons(true);
            selectedInterceptor = (Interceptor) selection.getFirstElement();
        }

    });

    GridData gData = new GridData();
    gData.widthHint = 330;
    gData.heightHint = 270;
    viewer.getTable().setLayoutData(gData);
    return viewer;
}

From source file:com.predic8.plugin.membrane.views.ExchangesView.java

License:Apache License

private TableViewer createTableViewer(Composite composite) {
    final TableViewer viewer = new TableViewer(composite,
            SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
    createColumns(viewer);/*  w w w. ja v  a  2 s.  c  o  m*/

    viewer.setContentProvider(new ExchangesViewLazyContentProvider(viewer));
    viewer.setUseHashlookup(true);

    viewer.setLabelProvider(new ExchangesViewLabelProvider());

    GridData gData = new GridData(GridData.FILL_BOTH);
    gData.grabExcessVerticalSpace = true;
    gData.grabExcessHorizontalSpace = true;
    viewer.getTable().setLayoutData(gData);
    PlatformUI.getWorkbench().getHelpSystem().setHelp(composite,
            MembraneUIPlugin.PLUGIN_ID + "ExchangesOverview");

    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {

            IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
            if (selection.isEmpty()) {
                updateRequestResponseViews(null);
            }

            if (selection.getFirstElement() instanceof Exchange) {
                Exchange exc = (Exchange) selection.getFirstElement();
                updateRequestResponseViews(exc);
                enableStopMenu(exc);
            }
        }

        private void updateRequestResponseViews(Exchange exc) {
            setInputForMessageView(exc, ResponseView.VIEW_ID);
            setInputForMessageView(exc, RequestView.VIEW_ID);
            canShowBody = true;
        }
    });
    return viewer;
}

From source file:com.predic8.plugin.membrane.views.ProxiesView.java

License:Apache License

private ISelectionChangedListener createSelectionChangeListener() {
    return new ISelectionChangedListener() {
        @Override/*from   w  ww.  j ava2s . c o m*/
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
            if (selection == null || selection.isEmpty()) {
                controlsComposite.enableDependentButtons(false);
                return;
            }
            controlsComposite.enableDependentButtons(true);

            setSelectedProxy((Rule) selection.getFirstElement());
        }

        private void setSelectedProxy(Rule selectedProxy) {
            for (AbstractProxyAction action : actions) {
                action.setSelectedProxy(selectedProxy);
            }
            controlsComposite.setSelectedProxy(selectedProxy);
            updateDetailsViewIfVisible(selectedProxy);
        }

    };
}

From source file:com.predic8.plugin.membrane.views.RulesView.java

License:Apache License

private TableViewer createTableViewer(Composite composite) {
    final TableViewer tableViewer = new TableViewer(composite,
            SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    createColumns(tableViewer);//from w ww . ja  v a 2 s  .  co  m
    tableViewer.setContentProvider(new RulesViewContentProvider());

    tableViewer.setLabelProvider(new RulesViewLabelProvider());

    GridData gridData = new GridData(GridData.FILL_BOTH);
    gridData.grabExcessVerticalSpace = true;
    gridData.grabExcessHorizontalSpace = true;
    tableViewer.getTable().setLayoutData(gridData);
    PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, MembraneUIPlugin.PLUGIN_ID + "RuleStatistics");

    setCellEditorForTableViewer(tableViewer);

    tableViewer.setColumnProperties(new String[] { "name" });

    cellEditorModifier = new RuleNameCellEditorModifier();
    cellEditorModifier.setTableViewer(tableViewer);
    tableViewer.setCellModifier(cellEditorModifier);

    TableViewerEditor.create(tableViewer, new ColumnViewerEditorActivationStrategy(tableViewer) {
        protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event) {
            return event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
        }
    }, ColumnViewerEditor.DEFAULT);

    tableViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            Object selectedItem = selection.getFirstElement();
            if (selectedItem instanceof Rule) {
                tableViewer.editElement(selectedItem, 0);
            }
        }
    });

    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
            if (selection == null || selection.isEmpty()) {
                controlsComposite.enableDependentButtons(false);
                return;
            }
            controlsComposite.enableDependentButtons(true);

            setSelectedRule((Rule) selection.getFirstElement());

        }

        private void setSelectedRule(Rule selectedRule) {
            removeRuleAction.setSelectedRule(selectedRule);
            editRuleAction.setSelectedRule(selectedRule);
            removeAllExchangesAction.setSelectedRule(selectedRule);
            showRuleDetailsAction.setSelectedRule(selectedRule);
            controlsComposite.setSelectedRule(selectedRule);

            updatedetailsViewIfVisible(selectedRule);
        }

    });

    return tableViewer;
}