Example usage for org.eclipse.jface.viewers IStructuredSelection 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:com.siteview.mde.internal.ui.editor.product.FeatureSection.java

License:Open Source License

private void handleOpen(IStructuredSelection selection) {
    if (!selection.isEmpty()) {
        IProductFeature feature = (IProductFeature) selection.getFirstElement();
        FeatureModelManager manager = MDECore.getDefault().getFeatureModelManager();
        IFeatureModel model = manager.findFeatureModel(feature.getId(), feature.getVersion());
        FeatureEditor.openFeatureEditor(model);
    }/*from  w w w . j  a  va  2s  . c  om*/
}

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From source file:com.siteview.mde.internal.ui.editor.product.PluginConfigurationSection.java

License:Open Source License

private void showControls() {
    // Clean up any previous editor control
    clearEditors();/*from   ww w .jav  a2s .  c o  m*/

    // Identify the selected row
    Table table = fConfigurationsTable.getTable();
    IStructuredSelection selection = (IStructuredSelection) fConfigurationsTable.getSelection();
    if (selection.isEmpty())
        return;
    final TableItem item = table.getSelection()[0];
    if (item != null && !isEditable())
        return;

    if (item != null) {
        final IPluginConfiguration ppc = (IPluginConfiguration) selection.getFirstElement();
        final Spinner spinner = new Spinner(table, SWT.BORDER);

        spinner.setMinimum(0);
        String level = item.getText(1);
        int defaultLevel = level.length() == 0 || "default".equals(level) ? 0 : Integer.parseInt(level); //$NON-NLS-1$
        spinner.setSelection(defaultLevel);
        spinner.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                int selection = spinner.getSelection();
                item.setText(1, selection == 0 ? "default" //$NON-NLS-1$
                        : Integer.toString(selection));
                ppc.setStartLevel(selection);
            }
        });
        fLevelColumnEditor.setEditor(spinner, item, 1);

        final CCombo combo = new CCombo(table, SWT.BORDER | SWT.READ_ONLY);
        //TODO is there need for the default options ??
        combo.setItems(new String[] { Boolean.toString(true), Boolean.toString(false) });
        combo.setText(item.getText(2));
        combo.pack();
        combo.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                item.setText(2, combo.getText());
                ppc.setAutoStart(Boolean.valueOf(combo.getText()).booleanValue());
            }
        });
        fAutoColumnEditor.setEditor(combo, item, 2);
    }
}

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From source file:com.siteview.mde.internal.ui.editor.site.CategorySection.java

License:Open Source License

public void createClient(Section section, FormToolkit toolkit) {
    fModel = (ISiteModel) getPage().getModel();
    fModel.addModelChangedListener(this);

    Composite container = createClientContainer(section, 2, toolkit);
    createViewerPartControl(container, SWT.MULTI, 2, toolkit);
    fCategoryTreePart = getTreePart();/*w w  w .j  a  v  a 2 s. co m*/
    fCategoryViewer = fCategoryTreePart.getTreeViewer();
    fCategoryViewer.setContentProvider(new CategoryContentProvider());
    fSiteLabelProvider = new SiteLabelProvider();
    fCategoryViewer.setLabelProvider(fSiteLabelProvider);

    fCategoryViewer.setInput(fModel.getSite());
    int ops = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_DEFAULT;
    Transfer[] transfers = new Transfer[] { ModelDataTransfer.getInstance() };
    if (isEditable()) {
        fCategoryViewer.addDropSupport(ops, transfers, new ViewerDropAdapter(fCategoryViewer) {
            public void dragEnter(DropTargetEvent event) {
                Object target = determineTarget(event);
                if (target == null && event.detail == DND.DROP_COPY) {
                    event.detail = DND.DROP_MOVE;
                }
                super.dragEnter(event);
            }

            /*
             * (non-Javadoc)
             * 
             * @see org.eclipse.jface.viewers.ViewerDropAdapter#dragOperationChanged(org.eclipse.swt.dnd.DropTargetEvent)
             */
            public void dragOperationChanged(DropTargetEvent event) {
                Object target = determineTarget(event);
                if (target == null && event.detail == DND.DROP_COPY) {
                    event.detail = DND.DROP_MOVE;
                }
                super.dragOperationChanged(event);
            }

            /*
             * (non-Javadoc)
             * 
             * @see org.eclipse.jface.viewers.ViewerDropAdapter#dragOver(org.eclipse.swt.dnd.DropTargetEvent)
             */
            public void dragOver(DropTargetEvent event) {
                Object target = determineTarget(event);
                if (target == null && event.detail == DND.DROP_COPY) {
                    event.detail = DND.DROP_MOVE;
                }
                super.dragOver(event);
            }

            /**
             * Returns the position of the given event's coordinates
             * relative to its target. The position is determined to
             * be before, after, or on the item, based on some
             * threshold value.
             * 
             * @param event
             *            the event
             * @return one of the <code>LOCATION_* </code>
             *         constants defined in this class
             */
            protected int determineLocation(DropTargetEvent event) {
                if (!(event.item instanceof Item)) {
                    return LOCATION_NONE;
                }
                Item item = (Item) event.item;
                Point coordinates = new Point(event.x, event.y);
                coordinates = getViewer().getControl().toControl(coordinates);
                if (item != null) {
                    Rectangle bounds = getBounds(item);
                    if (bounds == null) {
                        return LOCATION_NONE;
                    }
                }
                return LOCATION_ON;
            }

            public boolean performDrop(Object data) {
                if (!(data instanceof Object[]))
                    return false;
                Object target = getCurrentTarget();

                int op = getCurrentOperation();
                Object[] objects = (Object[]) data;
                if (objects.length > 0 && objects[0] instanceof SiteFeatureAdapter) {
                    if (op == DND.DROP_COPY && target != null) {
                        copyFeature((SiteFeatureAdapter) objects[0], target);
                    } else {
                        moveFeature((SiteFeatureAdapter) objects[0], target);
                    }
                    return true;
                }
                return false;
            }

            public boolean validateDrop(Object target, int operation, TransferData transferType) {
                return (target instanceof ISiteCategoryDefinition || target == null);
            }

        });
    }

    fCategoryViewer.addDragSupport(DND.DROP_MOVE | DND.DROP_COPY, transfers, new DragSourceListener() {
        public void dragStart(DragSourceEvent event) {
            IStructuredSelection ssel = (IStructuredSelection) fCategoryViewer.getSelection();
            if (ssel == null || ssel.isEmpty() || !(ssel.getFirstElement() instanceof SiteFeatureAdapter)) {
                event.doit = false;
            }
        }

        public void dragSetData(DragSourceEvent event) {
            IStructuredSelection ssel = (IStructuredSelection) fCategoryViewer.getSelection();
            event.data = ssel.toArray();
        }

        public void dragFinished(DragSourceEvent event) {
        }
    });

    fCategoryTreePart.setButtonEnabled(BUTTON_ADD_CATEGORY, isEditable());
    fCategoryTreePart.setButtonEnabled(BUTTON_ADD_FEATURE, isEditable());
    fCategoryTreePart.setButtonEnabled(BUTTON_BUILD_FEATURE, isEditable());
    fCategoryTreePart.setButtonEnabled(BUTTON_BUILD_ALL, isEditable());

    // fCategoryViewer.expandAll();
    toolkit.paintBordersFor(container);
    section.setClient(container);
    initialize();
}

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From source file:com.siteview.mde.internal.ui.editor.site.CategorySection.java

License:Open Source License

private ISiteFeature[] getFeaturesFromSelection(IStructuredSelection sel) {
    if (sel.isEmpty())
        return new ISiteFeature[0];
    if (cachedSelection == sel)
        return cachedFeatures;
    cachedSelection = sel;//from  ww  w  .  j av  a  2  s  . c o  m
    ArrayList features = new ArrayList(sel.size());
    Iterator iterator = sel.iterator();
    while (iterator.hasNext()) {
        Object next = iterator.next();
        if (next instanceof SiteFeatureAdapter) {
            if ((((SiteFeatureAdapter) next).feature) != null) {
                features.add(((SiteFeatureAdapter) next).feature);
            }
        }
    }
    cachedFeatures = (ISiteFeature[]) features.toArray(new ISiteFeature[features.size()]);
    return cachedFeatures;
}

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From source file:com.siteview.mde.internal.ui.launcher.TracingBlock.java

License:Open Source License

public void createControl(Composite parent) {
    fTracingCheck = new Button(parent, SWT.CHECK);
    fTracingCheck.setText(MDEUIMessages.TracingLauncherTab_tracing);
    fTracingCheck.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fTracingCheck.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            masterCheckChanged(true);//ww w . j av a 2s. c  o m
            fTab.updateLaunchConfigurationDialog();
            if (fTracingCheck.getSelection()) {
                IStructuredSelection selection = (IStructuredSelection) fPluginViewer.getSelection();
                if (!selection.isEmpty()) {
                    pluginSelected((IMonitorModelBase) selection.getFirstElement(),
                            fPluginViewer.getChecked(selection.getFirstElement()));
                }
            }
        }
    });

    createSashSection(parent);
    createButtonSection(parent);
}

---

From source file:com.siteview.mde.internal.ui.preferences.TargetPlatformPreferencePage.java

License:Open Source License

private void handleReload() {
    IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
    if (!selection.isEmpty()) {
        isOutOfSynch = false;//from w w  w. j a v a2 s  . co m
        ProgressMonitorDialog dialog = new ProgressMonitorDialog(getShell()) {
            protected void configureShell(Shell shell) {
                super.configureShell(shell);
                shell.setText(MDEUIMessages.TargetPlatformPreferencePage2_12);
            }
        };
        try {
            dialog.run(true, true, new IRunnableWithProgress() {
                public void run(IProgressMonitor monitor)
                        throws InvocationTargetException, InterruptedException {
                    if (monitor.isCanceled()) {
                        throw new InterruptedException();
                    }
                    // Resolve the target
                    fActiveTarget.resolve(monitor);
                    if (monitor.isCanceled()) {
                        throw new InterruptedException();
                    }
                }
            });
        } catch (InvocationTargetException e) {
            MDEPlugin.log(e);
            setErrorMessage(e.getMessage());
        } catch (InterruptedException e) {
            // Do nothing, resolve will happen when user presses ok
        }

        if (fActiveTarget.isResolved()) {
            // Check if the bundle resolution has errors
            IStatus bundleStatus = fActiveTarget.getBundleStatus();
            if (bundleStatus.getSeverity() == IStatus.ERROR) {
                ErrorDialog.openError(getShell(), MDEUIMessages.TargetPlatformPreferencePage2_14,
                        MDEUIMessages.TargetPlatformPreferencePage2_15, bundleStatus, IStatus.ERROR);
            }

            // Compare the target to the existing platform
            try {
                if (bundleStatus.getSeverity() != IStatus.ERROR && fActiveTarget.getHandle().equals(fPrevious)
                        && ((TargetDefinition) fPrevious.getTargetDefinition())
                                .isContentEquivalent(fActiveTarget)) {
                    IStatus compare = getTargetService().compareWithTargetPlatform(fActiveTarget);
                    if (!compare.isOK()) {
                        MessageDialog.openInformation(getShell(),
                                MDEUIMessages.TargetPlatformPreferencePage2_17,
                                MDEUIMessages.TargetPlatformPreferencePage2_18);
                        isOutOfSynch = true;
                    }
                }
            } catch (CoreException e) {
                MDEPlugin.log(e);
                setErrorMessage(e.getMessage());
            }
        }
        fTableViewer.refresh(true);
    }
}

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From source file:com.siteview.mde.internal.ui.preferences.TargetPlatformPreferencePage.java

License:Open Source License

/**
 * Removes the selected targets/*from  ww  w. j a va  2s  .  c om*/
 */
private void handleRemove() {
    IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
    if (!selection.isEmpty()) {
        List selected = selection.toList();

        // If we are going to remove a workspace file, prompt to ask the user first
        boolean isWorkspace = false;
        for (Iterator iterator = selected.iterator(); iterator.hasNext();) {
            ITargetDefinition currentTarget = (ITargetDefinition) iterator.next();
            if (currentTarget.getHandle() instanceof WorkspaceFileTargetHandle) {
                isWorkspace = true;
                break;
            }
        }
        if (isWorkspace) {
            MDEPreferencesManager preferences = new MDEPreferencesManager(IMDEUIConstants.PLUGIN_ID);
            String choice = preferences.getString(IPreferenceConstants.PROP_PROMPT_REMOVE_TARGET);
            if (!MessageDialogWithToggle.ALWAYS.equalsIgnoreCase(choice)) {
                MessageDialogWithToggle dialog = MessageDialogWithToggle.openYesNoQuestion(getShell(),
                        MDEUIMessages.TargetPlatformPreferencePage2_19,
                        MDEUIMessages.TargetPlatformPreferencePage2_20,
                        MDEUIMessages.TargetPlatformPreferencePage2_21, false,
                        MDEPlugin.getDefault().getPreferenceStore(),
                        IPreferenceConstants.PROP_PROMPT_REMOVE_TARGET);
                preferences.savePluginPreferences();
                if (dialog.getReturnCode() != IDialogConstants.YES_ID) {
                    return;
                }
            }
        }

        if (fActiveTarget != null && selected.contains(fActiveTarget)) {
            fActiveTarget = null;
            setMessage(MDEUIMessages.TargetPlatformPreferencePage2_22, IMessageProvider.INFORMATION);
        }
        fRemoved.addAll(selected);
        fTargets.removeAll(selected);
        // Quick hack because the first refresh loses the checkedState, which is being used to bold the active target
        fTableViewer.refresh(false);
        fTableViewer.refresh(true);
    }
}

---

From source file:com.siteview.mde.internal.ui.shared.target.AddBundleContainerSelectionPage.java

License:Open Source License

public void createControl(Composite parent) {
    Composite comp = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_BOTH, 0, 0);

    SashForm sashForm = new SashForm(comp, SWT.VERTICAL);
    GridData gd = new GridData(GridData.FILL_BOTH);
    // limit the width of the sash form to avoid the wizard opening very wide.
    gd.widthHint = 300;/* ww w.jav a  2s  . co  m*/
    sashForm.setLayoutData(gd);
    sashForm.setFont(comp.getFont());

    TableViewer wizardSelectionViewer = new TableViewer(sashForm, SWT.BORDER);
    wizardSelectionViewer.setContentProvider(new ArrayContentProvider());
    wizardSelectionViewer.setLabelProvider(new LabelProvider() {
        public String getText(Object element) {
            if (element instanceof AbstractBundleContainerNode) {
                return ((AbstractBundleContainerNode) element).getName();
            }
            return super.getText(element);
        }

        public Image getImage(Object element) {
            if (element instanceof AbstractBundleContainerNode) {
                return ((AbstractBundleContainerNode) element).getImage();
            }
            return super.getImage(element);
        }
    });
    wizardSelectionViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            if (!selection.isEmpty()) {
                setSelectedNode((IWizardNode) selection.getFirstElement());
                getContainer().showPage(getNextPage());
            }
        }
    });
    wizardSelectionViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            if (!selection.isEmpty()) {
                fDescription
                        .setText(((AbstractBundleContainerNode) selection.getFirstElement()).getDescription());
                setSelectedNode((AbstractBundleContainerNode) selection.getFirstElement());
            }
        }
    });
    wizardSelectionViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    wizardSelectionViewer.getTable().setFont(sashForm.getFont());

    fDescription = SWTFactory.createText(sashForm, SWT.READ_ONLY | SWT.BORDER | SWT.MULTI | SWT.WRAP, 1);

    sashForm.setWeights(new int[] { 70, 30 });
    initViewerContents(wizardSelectionViewer);
    setControl(comp);
    PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IHelpContextIds.ADD_LOCATION_WIZARD);
}

---

From source file:com.siteview.mde.internal.ui.shared.target.TargetLocationsGroup.java

License:Open Source License

private void handleEdit() {
    IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
    if (!selection.isEmpty()) {
        Object selected = selection.getFirstElement();
        IBundleContainer oldContainer = null;
        if (selected instanceof IBundleContainer) {
            oldContainer = (IBundleContainer) selected;
        } else if (selected instanceof IUWrapper) {
            oldContainer = ((IUWrapper) selected).getParent();
        } else if (selected instanceof IResolvedBundle) {
            TreeItem[] treeSelection = fTreeViewer.getTree().getSelection();
            if (treeSelection.length > 0) {
                Object parent = treeSelection[0].getParentItem().getData();
                if (parent instanceof IBundleContainer) {
                    oldContainer = (IBundleContainer) parent;
                }/*w  w w. ja  va  2  s .c  o  m*/
            }
        }
        if (oldContainer != null) {
            Shell parent = fTreeViewer.getTree().getShell();
            EditBundleContainerWizard wizard = new EditBundleContainerWizard(fTarget, oldContainer);
            WizardDialog dialog = new WizardDialog(parent, wizard);
            if (dialog.open() == Window.OK) {
                // Replace the old container with the new one
                IBundleContainer newContainer = wizard.getBundleContainer();
                if (newContainer != null) {
                    IBundleContainer[] containers = fTarget.getBundleContainers();
                    java.util.List newContainers = new ArrayList(containers.length);
                    for (int i = 0; i < containers.length; i++) {
                        if (!containers[i].equals(oldContainer)) {
                            newContainers.add(containers[i]);
                        }
                    }
                    newContainers.add(newContainer);
                    fTarget.setBundleContainers((IBundleContainer[]) newContainers
                            .toArray(new IBundleContainer[newContainers.size()]));

                    // Update the table
                    contentsChanged(false);
                    fTreeViewer.refresh();
                    updateButtons();
                    fTreeViewer.setSelection(new StructuredSelection(newContainer), true);
                }
            }
        }
    }
}

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From source file:com.siteview.mde.internal.ui.shared.target.TargetLocationsGroup.java

License:Open Source License

private void handleRemove() {
    IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
    IBundleContainer[] containers = fTarget.getBundleContainers();
    if (!selection.isEmpty() && containers != null && containers.length > 0) {
        List toRemove = new ArrayList();
        boolean removedSite = false;
        boolean removedContainer = false;
        for (Iterator iterator = selection.iterator(); iterator.hasNext();) {
            Object currentSelection = iterator.next();
            if (currentSelection instanceof IBundleContainer) {
                if (currentSelection instanceof IUBundleContainer) {
                    removedSite = true;/*from w  w  w .ja v  a2s .  c om*/
                }
                removedContainer = true;
                toRemove.add(currentSelection);
            }
            if (currentSelection instanceof IUWrapper) {
                toRemove.add(currentSelection);
            }
        }

        if (removedContainer) {
            Set newContainers = new HashSet();
            newContainers.addAll(Arrays.asList(fTarget.getBundleContainers()));
            newContainers.removeAll(toRemove);
            if (newContainers.size() > 0) {
                fTarget.setBundleContainers(
                        (IBundleContainer[]) newContainers.toArray(new IBundleContainer[newContainers.size()]));
            } else {
                fTarget.setBundleContainers(null);
            }

            // If we remove a site container, the content change update must force a re-resolve bug 275458 / bug 275401
            contentsChanged(removedSite);
            fTreeViewer.refresh(false);
            updateButtons();
        } else {
            for (Iterator iterator = toRemove.iterator(); iterator.hasNext();) {
                Object current = iterator.next();
                if (current instanceof IUWrapper) {
                    ((IUWrapper) current).getParent().removeInstallableUnit(((IUWrapper) current).getIU());
                }
            }
            contentsChanged(removedSite);
            fTreeViewer.refresh(true);
            updateButtons();
        }
    }
}

---

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