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:com.centurylink.mdw.plugin.designer.properties.editor.ListComposer.java

License:Apache License

private void rem() {
    IStructuredSelection selection = (IStructuredSelection) destViewer.getSelection();
    if (!selection.isEmpty()) {
        Iterator<?> it = selection.iterator();
        while (it.hasNext()) {
            Object item = it.next();
            destMutableCP.remFromDest(item);
        }/*from   w w  w. ja  v  a 2  s  .c om*/
        destViewer.refresh();
        srcViewer.refresh();
    }
}

From source file:com.centurylink.mdw.plugin.designer.properties.editor.ListComposer.java

License:Apache License

private void add() {
    IStructuredSelection selection = (IStructuredSelection) srcViewer.getSelection();
    if (!selection.isEmpty()) {
        Iterator<?> it = selection.iterator();
        while (it.hasNext()) {
            Object item = it.next();
            destMutableCP.addToDest(item);
        }/*from   w  ww.  j a  va 2s  . c  o  m*/
        destViewer.refresh();
        srcViewer.refresh();
    }
}

From source file:com.cloudbees.eclipse.run.ui.launchconfiguration.ProjectSelectionComposite.java

License:Open Source License

private IJavaElement getSelectedJavaElement() {
    IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    if (activeWorkbenchWindow == null) {
        return null;
    }/*from   w  w w.j  av  a2  s.  com*/

    IWorkbenchPage activePage = activeWorkbenchWindow.getActivePage();
    if (activePage == null) {
        return null;
    }

    ISelection selection = activePage.getSelection();
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;

        if (!structuredSelection.isEmpty()) {
            Object element = structuredSelection.getFirstElement();

            if (element instanceof IJavaElement) {
                return (IJavaElement) element;
            }

            if (element instanceof IResource) {
                IJavaElement javaElement = JavaCore.create((IResource) element);

                if (javaElement == null) {
                    IProject project = ((IResource) element).getProject();
                    javaElement = JavaCore.create(project);
                }

                if (javaElement != null) {
                    return javaElement;
                }
            }
        }
    }

    IEditorPart part = activePage.getActiveEditor();
    if (part != null) {
        IEditorInput input = part.getEditorInput();
        return (IJavaElement) input.getAdapter(IJavaElement.class);
    }

    return null;
}

From source file:com.codenvy.eclipse.ui.launcher.BuildOnCodenvyShortcut.java

License:Open Source License

@Override
public void launch(ISelection selection, String mode) {
    if (selection instanceof IStructuredSelection && RUN_MODE.equalsIgnoreCase(mode)) {
        final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (!structuredSelection.isEmpty()) {
            final IAdaptable adaptable = (IAdaptable) structuredSelection.getFirstElement();
            final IResource resource = (IResource) adaptable.getAdapter(IResource.class);

            if (resource != null && resource.getType() != ROOT) {
                buildProjectOnCodenvy(resource.getProject(), mode);
            }/*ww  w .ja v a  2 s . co  m*/
        }
    }
}

From source file:com.codenvy.eclipse.ui.launcher.RunOnCodenvyShortcut.java

License:Open Source License

@Override
public void launch(ISelection selection, String mode) {
    if (selection instanceof IStructuredSelection && RUN_MODE.equalsIgnoreCase(mode)) {
        final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (!structuredSelection.isEmpty()) {
            final IAdaptable adaptable = (IAdaptable) structuredSelection.getFirstElement();
            final IResource resource = (IResource) adaptable.getAdapter(IResource.class);

            if (resource != null && resource.getType() != ROOT) {
                runProjectOnCodenvy(resource.getProject(), mode);
            }/*  w w  w .jav a2 s. c  o m*/
        }
    }
}

From source file:com.codenvy.eclipse.ui.wizard.importer.pages.ProjectWizardPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    final Composite wizardContainer = new Composite(parent, SWT.NONE);
    wizardContainer.setLayout(new GridLayout(2, false));
    wizardContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    final Composite workspaceSelectionContainer = new Composite(wizardContainer, SWT.NONE);
    workspaceSelectionContainer.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
    workspaceSelectionContainer.setLayout(new GridLayout(2, false));

    final Label workspaceLabel = new Label(workspaceSelectionContainer, SWT.NONE);
    workspaceLabel.setText("Workspace:");

    workspaceComboViewer = new ComboViewer(workspaceSelectionContainer, SWT.DROP_DOWN | SWT.READ_ONLY);
    workspaceComboViewer.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    workspaceComboViewer.setContentProvider(new ArrayContentProvider());
    workspaceComboViewer.setLabelProvider(new LabelProvider() {
        @Override//  w  w  w  .j  ava2s  .  c o  m
        public String getText(Object element) {
            return element instanceof WorkspaceReference ? ((WorkspaceReference) element).name()
                    : super.getText(element);
        }
    });
    workspaceComboViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            final IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            if (!selection.isEmpty()) {
                loadWorkspaceProjects((WorkspaceReference) selection.getFirstElement());
            }
        }
    });

    final Label projectTableLabel = new Label(wizardContainer, SWT.NONE);
    projectTableLabel.setText("Projects:");
    projectTableLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

    projectTableViewer = newCheckList(wizardContainer,
            SWT.BORDER | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL);

    final TableViewerColumn projectNameColumn = new TableViewerColumn(projectTableViewer, SWT.NONE);
    projectNameColumn.getColumn().setWidth(150);
    projectNameColumn.getColumn().setText("Name");
    projectNameColumn.setLabelProvider(new ColumnLabelProviderWithGreyElement() {
        @Override
        public String getText(Object element) {
            return element instanceof ProjectReference ? ((ProjectReference) element).name()
                    : super.getText(element);
        }
    });

    final TableViewerColumn projectTypeNameColumn = new TableViewerColumn(projectTableViewer, SWT.NONE);
    projectTypeNameColumn.getColumn().setWidth(150);
    projectTypeNameColumn.getColumn().setText("Type");
    projectTypeNameColumn.setLabelProvider(new ColumnLabelProviderWithGreyElement() {
        @Override
        public String getText(Object element) {
            return element instanceof ProjectReference ? ((ProjectReference) element).typeName()
                    : super.getText(element);
        }
    });

    final TableViewerColumn projectDescriptionColumn = new TableViewerColumn(projectTableViewer, SWT.NONE);
    projectDescriptionColumn.getColumn().setWidth(150);
    projectDescriptionColumn.getColumn().setText("Description");
    projectDescriptionColumn.setLabelProvider(new ColumnLabelProviderWithGreyElement() {
        @Override
        public String getText(Object element) {
            return element instanceof ProjectReference ? ((ProjectReference) element).description()
                    : super.getText(element);
        }
    });
    projectTableViewer.setContentProvider(ArrayContentProvider.getInstance());
    projectTableViewer.addCheckStateListener(new ICheckStateListener() {
        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            setCheckedProjects();
            validatePage();
        }
    });

    final Table projectTable = projectTableViewer.getTable();
    projectTable.getHorizontalBar().setEnabled(true);
    projectTable.setHeaderVisible(true);
    projectTable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    final Composite projectTableButtonsContainer = new Composite(wizardContainer, SWT.NONE);
    projectTableButtonsContainer.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, true));
    projectTableButtonsContainer.setLayout(new GridLayout());

    final Button selectAll = new Button(projectTableButtonsContainer, SWT.NONE);
    selectAll.setText("Select All");
    selectAll.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
    selectAll.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            projectTableViewer.setAllChecked(true);

            setCheckedProjects();
            validatePage();
        }
    });

    final Button deselectAll = new Button(projectTableButtonsContainer, SWT.NONE);
    deselectAll.setText("Deselect All");
    deselectAll.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
    deselectAll.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            projectTableViewer.setAllChecked(false);

            setCheckedProjects();
            validatePage();
        }
    });

    // TODO remove when https://bugs.eclipse.org/bugs/show_bug.cgi?id=245106 is fixed
    final WorkingSetDescriptor[] descriptors = WorkbenchPlugin.getDefault().getWorkingSetRegistry()
            .getWorkingSetDescriptors();
    final List<String> workingSetTypes = FluentIterable.from(Arrays.asList(descriptors))
            .transform(new Function<WorkingSetDescriptor, String>() {
                @Override
                public String apply(WorkingSetDescriptor descriptor) {
                    return descriptor.getId();
                }
            }).toList();

    workingSetGroup = new WorkingSetGroup(wizardContainer, null,
            workingSetTypes.toArray(new String[workingSetTypes.size()]));

    setControl(wizardContainer);
}

From source file:com.codesourcery.internal.installer.ui.pages.LicensePage.java

License:Open Source License

@Override
public void setActive(IInstallData data) {
    super.setActive(data);

    // Update licenses
    updateLicenses(data);/*from   w  w  w  .ja va 2s.  com*/

    // Not running in console mode
    if (!isConsoleMode()) {
        // No licenses
        if (getAllLicenses().length == 0) {
            setInformationTitle(InstallMessages.LicensePageNoComponents);
            showStatus(new IStatus[] { new Status(IStatus.OK, Installer.ID, InstallMessages.ClickNext) });
            getMainArea().setVisible(false);
            setPageComplete(true);
        }
        // Licenses
        else {
            hideStatus();
            getMainArea().setVisible(true);
            setPageComplete(acceptLicenseButton.getSelection());

            list.setSelection(lastLicenseSelection);
            IStructuredSelection ns = (IStructuredSelection) list.getSelection();
            if (ns.isEmpty() && firstLicense != null)
                list.setSelection(new StructuredSelection(firstLicense));

            int currentLicenseCount = list.getList().getItemCount();

            // Check if Item count has been changed
            if (currentLicenseCount != lastLicenseCount) {
                Composite comp = list.getControl().getParent();
                boolean hideList = false;
                String acceptButtonText = InstallMessages.AcceptLicenses;
                String pageTitle = InstallMessages.LicenseMessageMultipleLicenses;

                /* If only one license agreement, change button text
                 * and hide List
                 */
                if (currentLicenseCount == 1) {
                    acceptButtonText = InstallMessages.AcceptLicense;
                    pageTitle = InstallMessages.LicenseMessageSingleLicense;
                    hideList = true;
                }

                // Update Accept button text and Page title
                setInformationTitle(pageTitle);
                acceptLicenseButton.setText(acceptButtonText);

                // Update visibility of list viewer
                ((GridData) comp.getLayoutData()).exclude = hideList;
                comp.setVisible(!hideList);
                comp.getParent().layout();

                // Update License count
                lastLicenseCount = currentLicenseCount;
            }
        }
    }
}

From source file:com.cronopista.mapme.handler.Map.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {

    Shell shell = HandlerUtil.getActiveShell(event);
    boolean force = event.getCommand().getId().equals("com.cronopista.mapme.mapForce");
    ISelection sel = HandlerUtil.getActiveMenuSelection(event);
    IStructuredSelection selection = (IStructuredSelection) sel;

    // sanity check
    if (selection.isEmpty()) {
        MessageDialog.openInformation(shell, "Info", "Select two Java files!");
    } else {//  w  w w.  j a va2s  .  c o m
        ArrayList sels = new ArrayList();

        Iterator iterator = selection.iterator();
        while (iterator.hasNext()) {
            sels.add(iterator.next());
        }

        if (sels.size() != 2 || !(sels.get(0) instanceof ICompilationUnit)
                || !(sels.get(1) instanceof ICompilationUnit)) {
            MessageDialog.openInformation(shell, "Info", "Select two Java files!");
        } else {

            // start actual mapping
            mapClasses((ICompilationUnit) sels.get(0), (ICompilationUnit) sels.get(1), force);
        }
    }

    return null;
}

From source file:com.drgarbage.bytecode.jdi.dialogs.SelectDebugTargetDialog.java

License:Apache License

/**
 * Updates the enablement of the dialog's ok button based
 * on the current choices in the dialog.
 *//*from w w  w.  j  av  a2 s.c om*/
protected void updateEnablement() {

    Object newSel = null;
    if (displayCandidates != null) {
        if (tableViewer != null) {
            IStructuredSelection sel = (IStructuredSelection) tableViewer.getSelection();
            if (sel != null && !sel.isEmpty()) {
                newSel = sel.getFirstElement();
            }
        }
    }

    if (newSel instanceof IJavaType[]) {
        selection = (IJavaType[]) newSel;
    } else {
        selection = null;
    }

    boolean enabled = selection != null;
    getButton(OK).setEnabled(enabled);
}

From source file:com.drgarbage.bytecode.jdi.dialogs.SelectJavaTypeDialog.java

License:Apache License

/**
 * Updates the enablement of the dialog's ok button based
 * on the current choices in the dialog.
 *///from  ww  w .  jav a 2 s.  c o m
protected void updateEnablement() {

    Object newSel = null;
    if (displayCandidates != null) {
        if (tableViewer != null) {
            IStructuredSelection sel = (IStructuredSelection) tableViewer.getSelection();
            if (sel != null && !sel.isEmpty()) {
                newSel = sel.getFirstElement();
            }
        }
    }

    if (newSel instanceof IJavaType) {
        selection = (IJavaType) newSel;
    } else {
        selection = null;
    }

    boolean enabled = selection != null;
    getButton(OK).setEnabled(enabled);
}