Java 类org.eclipse.ui.dialogs.FilteredItemsSelectionDialog 实例源码

/**
 * Handles the project browse button.
 */
private void handleBrowse() {
    FilteredItemsSelectionDialog dialog = new FilteredResourcesSelectionDialog(getShell(), false,
            ResourcesPlugin.getWorkspace().getRoot(), IResource.PROJECT);
    dialog.setTitle("Browse...");
    String path = project.getText();
    if (path != null && path.length() > 0 && new Path(path).lastSegment().length() > 0) {
        dialog.setInitialPattern(new Path(path).lastSegment());
    } else {
        dialog.setInitialPattern("**");
    }
    dialog.open();
    if (dialog.getResult() != null && dialog.getResult().length > 0
            && dialog.getResult()[0] instanceof IProject) {
        project.setText(((IProject)dialog.getResult()[0]).getFullPath().toString());
    }
}

/**
 * Main-method to start the dialog.
 * 
 * @param params
 *            is not used in this context.
 * @param manager
 *            is not used in this context.
 */
@Override
public void run(String[] params, ICheatSheetManager manager) {
    FilteredItemsSelectionDialog typeSelectionDialog = initTypeDialog(dialogTitle);

    int dialogResult = typeSelectionDialog.open();
    if (dialogResult != Window.OK) {
        notifyResult(false);
    } else {
        IType type = (IType) typeSelectionDialog.getResult()[0];
        Optional<ConcreteClassifier> classifier = JaMoPPRoutines.getConcreteClassifierOf(type);
        if (classifier.isPresent()) {
            processFoundClassifier(classifier.get());
            notifyResult(true);
        } else {
            openErrorMessage();
            notifyResult(false);
        }
    }
}

private OpenResourceDialog createManageSelectionDialog(String message) {
    OpenResourceDialog resourceDialog = new OpenResourceDialog(EditorUtils.getShell(), selectedProject,
            IResource.FILE);
    try {
        //Hack warning: changing the multi internal field to false because we don't want a multiple selection
        //(but the OpenResourceDialog didn't make available an API to change that -- even though
        //it'd be possible to create a FilteredItemsSelectionDialog in single selection mode)
        Field field = FilteredItemsSelectionDialog.class.getDeclaredField("multi");
        field.setAccessible(true);
        field.set(resourceDialog, false);
    } catch (Throwable e) {
        //just ignore any error here
    }
    resourceDialog.setInitialPattern("manage.py");
    resourceDialog.setMessage(message);
    return resourceDialog;
}

private OpenTypeClassHolder[] getType(Shell shell, Map<String, OpenTypeClassHolder> resources) {
    FilteredItemsSelectionDialog filteredDialog = new FilteredApexResourcesSelectionDialog(shell, resources);
    if (filteredDialog.open() == Window.OK) {
        Object[] selected = filteredDialog.getResult();
        if (selected.length > 0) {
            return Arrays.copyOf(selected, selected.length, OpenTypeClassHolder[].class);
        }
    }
    return null;
}

/**
 * Opens the FilteredItemSelectionDialog.
 * 
 * @param dialogTitle
 *            represent the title of the dialog.
 * @return returns the dialog.
 */
protected FilteredItemsSelectionDialog initTypeDialog(String dialogTitle) {
    final Shell parentShell = Display.getCurrent().getActiveShell();
    final Iterable<IProject> leadingProjects = WorkspaceUtil
            .transformProjectNamesToProjects(CASLicenseHandlerConfiguration.getInstance().getConsolidationProject()
                    .getLeadingProjects());
    return new ScopedOpenTypeSelectionDialog(parentShell, dialogTitle, leadingProjects);
}