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

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

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  6. isEmpty

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:ca.mcgill.sable.soot.editors.JimpleContentOutlinePage.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object elem = selection.getFirstElement();
        if (elem instanceof JimpleOutlineObject) {
            String toHighlight = ((JimpleOutlineObject) elem).getLabel();
            int start = getJimpleFileParser().getStartOfSelected(toHighlight);
            int length = getJimpleFileParser().getLength(toHighlight);
            getEd().selectAndReveal(start, length);
        }//from  ww w. j  a v  a  2 s  .c  o  m
    }
}

From source file:ca.mcgill.sable.soot.ui.AbstractOptionsDialog.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object elem = selection.getFirstElement();
        if (elem instanceof SootOption) {
            SootOption sel = (SootOption) elem;
            Control[] children = getPageContainer().getChildren();
            String childTitle = null;
            for (int i = 0; i < children.length; i++) {

                if (children[i] instanceof Composite) {
                    if (children[i] instanceof Group) {
                        childTitle = (String) ((Group) children[i]).getData("id");

                    }//w w  w. j a va 2  s  . c om
                    if (childTitle.compareTo(sel.getAlias()) == 0) {
                        ((StackLayout) getPageContainer().getLayout()).topControl = children[i];
                        getPageContainer().layout();

                    } else {
                        children[i].setVisible(false);
                    }
                }
            }
        }
    }
}

From source file:ca.mcgill.sable.soot.ui.AnalysisVisManipDialog.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (selection.isEmpty()) {
        checkTypes.setInput(getCheckInput(""));
    } else {/*from   w w w  . j  a va  2s  . com*/
        Object elem = selection.getFirstElement();
        if (!(elem instanceof IFile))
            return;
        ArrayList list = (ArrayList) getCheckInput(elem);
        handleLast();
        checkTypes.setInput(list);
        Object[] checkElems;
        if ((currentSettingsMap != null) && (currentSettingsMap.containsKey(elem))) {
            checkElems = (Object[]) currentSettingsMap.get(elem);
            checkTypes.setCheckedElements(checkElems);
        } else {
            SootAttributesHandler handler = getHandlerForFile((IFile) elem);
            if (handler != null) {
                if (handler.isShowAllTypes()) {
                    if (list != null) {
                        Object[] elems = new Object[list.size()];

                        for (int i = 0; i < list.size(); i++) {
                            elems[i] = checkTypes.getElementAt(i);

                        }
                        checkTypes.setCheckedElements(elems);
                    }
                } else {
                    Iterator it = handler.getTypesToShow().iterator();
                    Object[] elems = new Object[handler.getTypesToShow().size()];
                    int i = 0;
                    while (it.hasNext()) {
                        elems[i] = it.next();
                        i++;
                    }
                    checkTypes.setCheckedElements(elems);

                }
            }
        }
        if (getAllSelected() == null) {
            setAllSelected(new ArrayList());
        }
        getAllSelected().add(elem);
    }
}

From source file:ca.mcgill.sable.soot.ui.SootConfigManagerDialog.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object elem = selection.getFirstElement();
        if (elem instanceof SootConfiguration) {
            SootConfiguration sel = (SootConfiguration) elem;
            setSelected(sel.getLabel());
        }//from ww w.  j av  a  2  s. c  o m
        enableButtons();
    }
}

From source file:ca.uvic.chisel.diver.mylyn.logger.logging.PageSelectionListener.java

License:Open Source License

/**
 * @param selection//ww  w  .j  a  v  a2  s .c o m
 * @return
 */
private Object getSelectionObject(IWorkbenchPart part, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection ss = (IStructuredSelection) selection;
        if (!ss.isEmpty()) {
            Object o = ss.getFirstElement();
            if (o instanceof IJavaElement) {
                return o;
            } else if (o instanceof ITraceModel) {
                return o;
            }
        }
    } else if (selection instanceof ITextSelection) {
        ITextSelection ts = (ITextSelection) selection;
        if (part instanceof ITextEditor) {
            ITextEditor editor = (ITextEditor) part;
            ITypeRoot typeRoot = null;
            IEditorInput input = editor.getEditorInput();
            //using internal stuff, but I don't care
            if (input instanceof IClassFileEditorInput) {
                typeRoot = ((IClassFileEditorInput) input).getClassFile();
            } else if (input instanceof IFileEditorInput) {
                IFile file = ((IFileEditorInput) input).getFile();
                IJavaElement element = JavaCore.create(file);
                if (element instanceof ITypeRoot) {
                    typeRoot = (ITypeRoot) element;
                }
            }
            if (typeRoot != null) {
                IType type = typeRoot.findPrimaryType();
                if (type != null) {
                    try {
                        IJavaElement je = typeRoot.getElementAt(ts.getOffset());
                        return je;
                    } catch (JavaModelException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }
        }
    }
    return null;
}

From source file:ca.uvic.chisel.javasketch.ui.internal.search.TraceSearchResultPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    page = new Composite(parent, SWT.NULL);
    page.setLayout(new GridLayout());
    fViewer = new TreeViewer(page, SWT.NONE);
    fViewer.getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    TableLayout tl = new TableLayout();
    fViewer.getTree().setLayout(tl);/*w  w  w  . jav  a  2s .  c om*/
    // create columns for the viewer
    TreeViewerColumn c = new TreeViewerColumn(fViewer, SWT.NONE);
    c.getColumn().setText("Search Result");
    c.setLabelProvider(new TraceSearchResultLabelProvider());
    GC gc = new GC(fViewer.getTree());
    tl.addColumnData(new ColumnPixelData(Dialog.convertWidthInCharsToPixels(gc.getFontMetrics(), 60)));
    gc.dispose();

    c = new TreeViewerColumn(fViewer, SWT.NONE);
    c.getColumn().setText("Kind");
    c.setLabelProvider(new TraceSearchResultLabelProvider());
    tl.addColumnData(new ColumnPixelData(50));

    c = new TreeViewerColumn(fViewer, SWT.NONE);
    c.getColumn().setText("Trace");
    c.setLabelProvider(new TraceSearchResultLabelProvider());

    tl.addColumnData(new ColumnPixelData(50));
    resultsListener = new TraceSearchResultListener();

    fViewer.getTree().setHeaderVisible(true);

    fViewer.setContentProvider(new TraceSearchResultContentProvider());
    //create a context menu for the viewer so that results can be 
    //linked to
    MenuManager manager = new MenuManager("TraceSearchResultsPage", "#TraceSearchResults");
    Menu menu = manager.createContextMenu(fViewer.getTree());
    manager.setRemoveAllWhenShown(true);
    manager.addMenuListener(new IMenuListener() {

        @Override
        public void menuAboutToShow(IMenuManager manager) {
            fillContextMenu(manager);
            IStructuredSelection ss = (IStructuredSelection) getSite().getSelectionProvider().getSelection();
            if (!ss.isEmpty()) {
                Object o = ss.getFirstElement();
                if (o instanceof IActivation || o instanceof IMessage) {
                    IAction action = new CommandAction(RevealActivationHandler.COMMAND_ID, null);
                    action.setText("Reveal");
                    manager.add(action);
                }
            }
        }
    });
    getSite().registerContextMenu("#TraceSearchResults", manager, fViewer);
    fViewer.getTree().setMenu(menu);
    SelectionForward forward = new SelectionForward();
    fViewer.addSelectionChangedListener(forward);
    getSite().setSelectionProvider(forward);

}

From source file:ca.uvic.chisel.logging.eclipse.internal.ui.UploadWizardPage1.java

License:Open Source License

private Composite createCategoriesArea(Composite parent) {
    Composite categoriesArea = new Composite(parent, SWT.NONE);
    categoriesArea.setLayout(new GridLayout(2, false));

    //create a list viewer that will display all of the 
    //different loggers

    viewer = CheckboxTableViewer.newCheckList(categoriesArea, SWT.BORDER | SWT.SINGLE);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new LoggingCategoryLabelProvider());
    viewer.setInput(WorkbenchLoggingPlugin.getDefault().getCategoryManager().getCategories());
    //set all of the enabled categories to the checked state
    for (ILoggingCategory category : WorkbenchLoggingPlugin.getDefault().getCategoryManager().getCategories()) {
        selectedCategories.add(category.getCategoryID());
    }/*from  www  .j  a  v a 2 s.  c o  m*/
    viewer.setAllChecked(true);
    viewer.addCheckStateListener(new ICheckStateListener() {

        public void checkStateChanged(CheckStateChangedEvent event) {
            if (event.getElement() instanceof ILoggingCategory) {
                ILoggingCategory category = (ILoggingCategory) event.getElement();
                if (event.getChecked()) {
                    selectedCategories.add(category.getCategoryID());
                } else {
                    selectedCategories.remove(category.getCategoryID());
                }
            }
        }
    });
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            if (aboutButton != null && !aboutButton.isDisposed()) {
                aboutButton.setEnabled(!event.getSelection().isEmpty());
            }
        }
    });

    viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    //create a button area
    Composite buttonArea = new Composite(categoriesArea, SWT.NONE);
    buttonArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    buttonArea.setLayout(new GridLayout());

    GridDataFactory gdf = GridDataFactory.createFrom(new GridData(SWT.FILL, SWT.FILL, true, false));
    Button selectAll = new Button(buttonArea, SWT.PUSH);
    selectAll.setText("Select All");
    selectAll.setLayoutData(gdf.create());
    selectAll.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.setAllChecked(true);
            for (ILoggingCategory category : WorkbenchLoggingPlugin.getDefault().getCategoryManager()
                    .getCategories()) {
                selectedCategories.add(category.getCategoryID());
            }
        }
    });

    Button selectNone = new Button(buttonArea, SWT.PUSH);
    selectNone.setText("Select None");
    selectNone.setLayoutData(gdf.create());
    selectNone.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.setAllChecked(false);
            selectedCategories.clear();
        }
    });

    Control spacer = new Composite(buttonArea, SWT.NONE);
    GridData d = gdf.create();
    d.heightHint = 40;
    spacer.setLayoutData(d);

    aboutButton = new Button(buttonArea, SWT.PUSH);
    aboutButton.setText("Disclaimer...");
    aboutButton.setLayoutData(gdf.create());
    aboutButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            ISelection selection = viewer.getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) selection;
                if (!ss.isEmpty() && ss.getFirstElement() instanceof ILoggingCategory) {
                    AboutCategoryDialog dialog = new AboutCategoryDialog(getShell(),
                            (ILoggingCategory) ss.getFirstElement());
                    dialog.open();
                }
            }
        }
    });
    aboutButton.setEnabled(false);
    return categoriesArea;
}

From source file:ca.uvic.chisel.logging.eclipse.internal.ui.WorkbenchLoggerPreferencePage.java

License:Open Source License

@Override
protected Control createContents(Composite parent) {
    Composite page = new Composite(parent, SWT.NONE);
    page.setLayout(new GridLayout(2, false));

    // create a list viewer that will display all of the
    // different loggers

    viewer = CheckboxTableViewer.newCheckList(page, SWT.BORDER | SWT.SINGLE);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new LoggingCategoryLabelProvider());
    viewer.setInput(WorkbenchLoggingPlugin.getDefault().getCategoryManager().getCategories());
    // set all of the enabled categories to the checked state
    boolean stale = false;
    for (ILoggingCategory category : WorkbenchLoggingPlugin.getDefault().getCategoryManager().getCategories()) {
        if (category.isEnabled()) {
            enabledCategories.add(category.getCategoryID());
            viewer.setChecked(category, true);
        }/*from w w  w  . ja  v a2 s.co m*/
        // also set the stale state... used for enabling the upload button.
        stale |= ((LoggingCategory) category).isStale();
    }
    viewer.addCheckStateListener(new ICheckStateListener() {

        public void checkStateChanged(CheckStateChangedEvent event) {
            if (event.getElement() instanceof ILoggingCategory) {
                ILoggingCategory category = (ILoggingCategory) event.getElement();
                if (event.getChecked()) {
                    enabledCategories.add(category.getCategoryID());
                } else {
                    enabledCategories.remove(category.getCategoryID());
                }
            }
        }
    });
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            if (aboutButton != null && !aboutButton.isDisposed()) {
                aboutButton.setEnabled(!event.getSelection().isEmpty());
            }
        }
    });

    viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    // create a button area
    Composite buttonArea = new Composite(page, SWT.NONE);
    buttonArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
    buttonArea.setLayout(new GridLayout());

    GridDataFactory gdf = GridDataFactory.createFrom(new GridData(SWT.FILL, SWT.FILL, true, false));
    Button selectAll = new Button(buttonArea, SWT.PUSH);
    selectAll.setText("Select All");
    selectAll.setLayoutData(gdf.create());
    selectAll.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.setAllChecked(true);
            for (ILoggingCategory category : WorkbenchLoggingPlugin.getDefault().getCategoryManager()
                    .getCategories()) {
                enabledCategories.add(category.getCategoryID());
            }
        }
    });

    Button selectNone = new Button(buttonArea, SWT.PUSH);
    selectNone.setText("Select None");
    selectNone.setLayoutData(gdf.create());
    selectNone.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.setAllChecked(false);
            enabledCategories.clear();
        }
    });

    Control spacer = new Composite(buttonArea, SWT.NONE);
    GridData d = gdf.create();
    d.heightHint = 40;
    spacer.setLayoutData(d);

    aboutButton = new Button(buttonArea, SWT.PUSH);
    aboutButton.setText("About...");
    aboutButton.setLayoutData(gdf.create());
    aboutButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            ISelection selection = viewer.getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) selection;
                if (!ss.isEmpty() && ss.getFirstElement() instanceof ILoggingCategory) {
                    AboutCategoryDialog dialog = new AboutCategoryDialog(getShell(),
                            (ILoggingCategory) ss.getFirstElement());
                    dialog.open();
                }
            }
        }
    });
    aboutButton.setEnabled(false);

    spacer = new Composite(buttonArea, SWT.NONE);
    d = gdf.create();
    d.heightHint = 40;
    spacer.setLayoutData(d);

    Button uploadButton = new Button(buttonArea, SWT.PUSH);
    uploadButton.setText("Upload Now...");
    uploadButton.setLayoutData(gdf.create());
    uploadButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            WizardDialog dialog = new WizardDialog(getShell(), new UploadWizard());
            dialog.open();
        }
    });
    uploadButton.setEnabled(stale);
    Composite intervalComposite = new Composite(page, SWT.NONE);
    GridData gd = gdf.create();
    gd.grabExcessVerticalSpace = false;
    gd.grabExcessHorizontalSpace = true;
    intervalComposite.setLayoutData(gd);
    intervalComposite.setLayout(new GridLayout(2, false));
    Label intervalLabel = new Label(intervalComposite, SWT.NONE);
    intervalLabel.setText("Upload Interval: ");
    gd = gdf.create();
    gd.grabExcessVerticalSpace = false;
    gd.grabExcessHorizontalSpace = false;
    intervalLabel.setLayoutData(gd);
    intervalViewer = new ComboViewer(intervalComposite, SWT.BORDER | SWT.SINGLE);
    Long[] intervals = new Long[] { UploadJob.UPLOAD_INTERVAL_DAILY, UploadJob.UPLOAD_INTERVAL_WEEKLY,
            UploadJob.UPLOAD_INTERVAL_MONTHLY };
    intervalViewer.setContentProvider(new ArrayContentProvider());
    intervalViewer.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof Long) {
                long interval = (Long) element;
                if (interval == UploadJob.UPLOAD_INTERVAL_DAILY) {
                    return "Daily";
                } else if (interval == UploadJob.UPLOAD_INTERVAL_WEEKLY) {
                    return "Every Seven Days";
                } else if (interval == UploadJob.UPLOAD_INTERVAL_MONTHLY) {
                    return "Every Thirty Days";
                }
            }
            return super.getText(element);
        }
    });
    intervalViewer.setInput(intervals);
    long interval = WorkbenchLoggingPlugin.getDefault().getPreferenceStore()
            .getLong(UploadJob.UPLOAD_INTERVAL_KEY);
    if (interval <= 0) {
        interval = WorkbenchLoggingPlugin.getDefault().getPreferenceStore()
                .getDefaultLong(UploadJob.UPLOAD_INTERVAL_KEY);
    }
    intervalViewer.setSelection(new StructuredSelection(interval));
    intervalViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

    spacer = new Composite(page, SWT.NONE);
    gd = gdf.create();
    gd.grabExcessVerticalSpace = false;
    gd.grabExcessHorizontalSpace = false;
    gd.heightHint = 2;
    spacer.setLayoutData(gd);
    Composite uidComposite = new Composite(page, SWT.NONE);
    uidComposite.setLayout(new GridLayout(2, false));
    gd = gdf.create();
    gd.grabExcessVerticalSpace = false;
    gd.grabExcessHorizontalSpace = false;
    gd.horizontalSpan = 2;
    uidComposite.setLayoutData(gd);
    Label uidLabel = new Label(uidComposite, SWT.NONE);
    uidLabel.setText("User ID:");
    gd = gdf.create();
    gd.grabExcessVerticalSpace = false;
    gd.grabExcessHorizontalSpace = false;
    uidLabel.setLayoutData(gd);
    final Text uidText = new Text(uidComposite, SWT.SINGLE | SWT.READ_ONLY);
    uidText.setText(WorkbenchLoggingPlugin.getDefault().getLocalUser());
    uidText.addMouseListener(new MouseAdapter() {
        /* (non-Javadoc)
         * @see org.eclipse.swt.events.MouseAdapter#mouseUp(org.eclipse.swt.events.MouseEvent)
         */
        @Override
        public void mouseUp(MouseEvent e) {
            uidText.selectAll();
        }
    });
    MenuManager manager = new MenuManager();
    Menu menu = manager.createContextMenu(uidText);
    uidText.setMenu(menu);
    CommandContributionItemParameter parameters = new CommandContributionItemParameter(
            WorkbenchLoggingPlugin.getDefault().getWorkbench(), null, EDIT_COPY, SWT.PUSH);
    manager.add(new CommandContributionItem(parameters));
    return page;
}

From source file:ca.uvic.cs.tagsea.actions.GoToTagAction.java

License:Open Source License

/**
 * Grabs the currently selected waypoint from the viewer and navigates to
 * that waypoint's marker position in the editor.
 *//*from   www . j  av a  2s.c o m*/
public void run() {
    IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
    if (!selection.isEmpty()) {
        Object obj = selection.getFirstElement();
        IMarker marker = null;
        if (obj instanceof Waypoint) {
            // Waypoints TableViewer
            marker = ((Waypoint) obj).getMarker();
        }
        if ((marker != null) && marker.exists()) {
            IResource resource = marker.getResource();
            if (marker.exists() && resource instanceof IFile) {
                try {
                    IDE.openEditor(page, marker, OpenStrategy.activateOnOpen());
                    Monitoring.getDefault().fireEvent(new TagSEANavigationEvent((Waypoint) obj));
                } catch (PartInitException e) {
                    TagSEAPlugin.log("Couldn't open editor to show the tag", e);
                }
            }
        }
    }
}

From source file:ca.uvic.cs.tagsea.core.WaypointProvider.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    selectedTags.clear();//from   w w w . j  a  va  2s. c  o m
    if (!selection.isEmpty()) {
        for (Iterator iter = selection.iterator(); iter.hasNext();) {
            Object obj = iter.next();
            if (obj instanceof Tag) {
                selectedTags.add((Tag) obj);
            }
        }
    }
    tableViewer.refresh();
}