bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerPreferencesDialog.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2008, 2009 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal.views.markers;

 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.preference.IntegerFieldEditor;
 import org.eclipse.jface.resource.JFaceColors;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.ListViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.internal.ide.IDEInternalPreferences;
 import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
 import org.eclipse.ui.preferences.ViewSettingsDialog;
 import org.eclipse.ui.views.markers.MarkerField;
 import org.eclipse.ui.views.markers.internal.MarkerMessages;

 /**
  * MarkerPreferencesDialog is the dialog for showing marker preferences.
  *
  * @since 3.4
  *
  */
 public class MarkerPreferencesDialog extends ViewSettingsDialog {

 	private IntegerFieldEditor limitEditor;

 	private Button enablementButton;

 	private Composite editArea;

 	private Label messageLabel;

 	private ExtendedMarkersView extendedView;

 	private ArrayList visible;

 	private ArrayList hidden;

 	private ListViewer visibleViewer;

 	private ListViewer nonVisibleViewer;

 	/**
 	 * Create a new instance of the receiver.
 	 *
 	 * @param view -
 	 *            the view this is being launched from
 	 */
 	public MarkerPreferencesDialog(ExtendedMarkersView view) {
 		super(view.getSite().getShell());
 		this.extendedView = view;

 		Object[] visibleFields = view.getVisibleFields();
 		Object[] hiddenFields = view.getHiddenFields();

 		visible = new ArrayList();
 		hidden = new ArrayList();

 		for (int i = 0; i < visibleFields.length; i++) {
 			visible.add(visibleFields[i]);
 		}

 		for (int i = 0; i < hiddenFields.length; i++) {
 			hidden.add(hiddenFields[i]);
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
 	 */
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		newShell.setText(MarkerMessages.MarkerPreferences_DialogTitle);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.window.Window#getShellStyle()
 	 */
 	protected int getShellStyle() {
 		return super.getShellStyle() | SWT.RESIZE;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createDialogArea(Composite parent) {

 		Composite dialogArea = (Composite) super.createDialogArea(parent);

 		boolean checked = IDEWorkbenchPlugin.getDefault().getPreferenceStore()
 				.getBoolean(IDEInternalPreferences.USE_MARKER_LIMITS);
 		enablementButton = new Button(dialogArea, SWT.CHECK);
 		enablementButton.setText(MarkerMessages.MarkerPreferences_MarkerLimits);
 		enablementButton.setSelection(checked);

 		editArea = new Composite(dialogArea, SWT.NONE);
 		editArea.setLayout(new GridLayout());
 		GridData editData = new GridData(GridData.FILL_BOTH
 				| GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL);
 		editData.horizontalIndent = 10;
 		editArea.setLayoutData(editData);

 		limitEditor = new IntegerFieldEditor(
 				"limit", MarkerMessages.MarkerPreferences_VisibleItems, editArea) { //$NON-NLS-1$
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.preference.IntegerFieldEditor#checkState()
 			 */
 			protected boolean checkState() {
 				boolean state = super.checkState();
 				setValid(state, getErrorMessage());
 				return state;
 			}
 		};
 		limitEditor.setPreferenceStore(IDEWorkbenchPlugin.getDefault()
 				.getPreferenceStore());
 		limitEditor
 				.setPreferenceName(IDEInternalPreferences.MARKER_LIMITS_VALUE);
 		limitEditor.load();

 		GridData checkedData = new GridData(SWT.FILL, SWT.NONE, true, false);
 		checkedData.horizontalSpan = limitEditor.getNumberOfControls();
 		enablementButton.setLayoutData(checkedData);

 		enablementButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				setLimitEditorEnablement(editArea, enablementButton
 						.getSelection());
 			}
 		});

 		setLimitEditorEnablement(editArea, checked);

 		messageLabel = new Label(dialogArea, SWT.NONE);

 		messageLabel.setBackground(JFaceColors.getErrorBackground(dialogArea
 				.getDisplay()));
 		messageLabel.setForeground(JFaceColors.getErrorText(dialogArea
 				.getDisplay()));
 		messageLabel
 				.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

 		createColumnsArea(dialogArea);

 		applyDialogFont(dialogArea);
 		return dialogArea;
 	}

 	/**
 	 * Create an area for the selected columns
 	 *
 	 * @param dialogArea
 	 */
 	private void createColumnsArea(Composite dialogArea) {

 		initializeDialogUnits(dialogArea);
 		Group columnsComposite = new Group(dialogArea, SWT.NONE);
 		columnsComposite.setText(MarkerMessages.MarkerPreferences_ColumnGroupTitle);
 		FormLayout layout = new FormLayout();
 		columnsComposite.setLayout(layout);

 		columnsComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 				true));
 		Label visibleItemsLabel = new Label(columnsComposite, SWT.NONE);
 		visibleItemsLabel.setText(MarkerMessages.MarkerPreferences_VisibleColumnsTitle);
 		FormData visibleLabelData = new FormData();
 		visibleLabelData.right = new FormAttachment(45, 0);
 		visibleLabelData.left = new FormAttachment(
 				IDialogConstants.BUTTON_MARGIN);
 		visibleLabelData.top = new FormAttachment(0);
 		visibleItemsLabel.setLayoutData(visibleLabelData);

 		int rightMargin = IDialogConstants.BUTTON_MARGIN * -1;

 		Label nonVisibleLabel = new Label(columnsComposite, SWT.NONE);
 		nonVisibleLabel.setText(MarkerMessages.MarkerPreferences_HiddenColumnsTitle);
 		FormData nonVisibleLabelData = new FormData();
 		nonVisibleLabelData.right = new FormAttachment(100);
 		nonVisibleLabelData.left = new FormAttachment(55, 0);
 		nonVisibleLabelData.top = new FormAttachment(0);
 		nonVisibleLabel.setLayoutData(nonVisibleLabelData);

 		visibleViewer = new ListViewer(columnsComposite,
 				SWT.BORDER);

 		FormData visibleViewerData = new FormData();
 		visibleViewerData.right = new FormAttachment(visibleItemsLabel, 0,
 				SWT.RIGHT);
 		visibleViewerData.left = new FormAttachment(visibleItemsLabel, 0,
 				SWT.LEFT);
 		visibleViewerData.top = new FormAttachment(visibleItemsLabel,
 				IDialogConstants.BUTTON_MARGIN);
 		visibleViewerData.bottom = new FormAttachment(100, rightMargin);
 		visibleViewerData.height = convertHeightInCharsToPixels(15);
 		visibleViewerData.width = convertWidthInCharsToPixels(25);

 		visibleViewer.getControl().setLayoutData(visibleViewerData);

 		visibleViewer.setContentProvider(new IStructuredContentProvider() {

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
 			 */
 			public Object[] getElements(Object inputElement) {
 				return visible.toArray();
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
 			 */
 			public void dispose() {
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
 			 *      java.lang.Object, java.lang.Object)
 			 */
 			public void inputChanged(Viewer viewer, Object oldInput,
 					Object newInput) {
 			}

 		});

 		visibleViewer.setLabelProvider(markerFieldLabelProvider());

 		visibleViewer.setInput(this);

 		nonVisibleViewer = new ListViewer(columnsComposite,
 				SWT.BORDER);

 		nonVisibleViewer.setLabelProvider(markerFieldLabelProvider());

 		nonVisibleViewer.setContentProvider(new IStructuredContentProvider() {

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
 			 */
 			public Object[] getElements(Object inputElement) {
 				return hidden.toArray();
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
 			 */
 			public void dispose() {
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
 			 *      java.lang.Object, java.lang.Object)
 			 */
 			public void inputChanged(Viewer viewer, Object oldInput,
 					Object newInput) {
 			}

 		});
 		nonVisibleViewer.setInput(this);

 		FormData nonVisibleViewerData = new FormData();
 		nonVisibleViewerData.right = new FormAttachment(nonVisibleLabel, 0,
 				SWT.RIGHT);
 		nonVisibleViewerData.left = new FormAttachment(nonVisibleLabel, 0,
 				SWT.LEFT);
 		nonVisibleViewerData.top = new FormAttachment(nonVisibleLabel,
 				IDialogConstants.BUTTON_MARGIN);
 		nonVisibleViewerData.bottom = new FormAttachment(100, rightMargin);
 		nonVisibleViewerData.height = convertHeightInCharsToPixels(15);
 		nonVisibleViewerData.width = convertWidthInCharsToPixels(25);

 		nonVisibleViewer.getControl().setLayoutData(nonVisibleViewerData);

 		Button toNonVisibleButton = new Button(columnsComposite, SWT.PUSH);
 		toNonVisibleButton
 				.setText(getDefaultOrientation() == SWT.RIGHT_TO_LEFT ? MarkerMessages.MarkerPreferences_MoveLeft
 						: MarkerMessages.MarkerPreferences_MoveRight);

 		FormData toNonVisibleButtonData = new FormData();

 		toNonVisibleButtonData.top = new FormAttachment(visibleViewer
 				.getControl(), IDialogConstants.BUTTON_BAR_HEIGHT, SWT.TOP);
 		toNonVisibleButtonData.left = new FormAttachment(visibleViewer
 				.getControl(), IDialogConstants.BUTTON_MARGIN);
 		toNonVisibleButtonData.right = new FormAttachment(nonVisibleViewer
 				.getControl(), rightMargin);
 		toNonVisibleButton.setLayoutData(toNonVisibleButtonData);

 		toNonVisibleButton.addSelectionListener(new SelectionAdapter() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 			 */
 			public void widgetSelected(SelectionEvent e) {
 				List selection = ((IStructuredSelection) visibleViewer
 						.getSelection()).toList();
 				hidden.addAll(selection);
 				visible.removeAll(selection);
 				visibleViewer.refresh();
 				nonVisibleViewer.refresh();
 				setValid(
 						visible.size() > 0,
 						MarkerMessages.MarkerPreferences_AtLeastOneVisibleColumn);
 			}
 		});

 		Button toVisibleButton = new Button(columnsComposite, SWT.PUSH);
 		toVisibleButton
 				.setText(getDefaultOrientation() == SWT.RIGHT_TO_LEFT ? MarkerMessages.MarkerPreferences_MoveRight
 						: MarkerMessages.MarkerPreferences_MoveLeft);

 		FormData toVisibleButtonData = new FormData();

 		toVisibleButtonData.top = new FormAttachment(toNonVisibleButton,
 				IDialogConstants.BUTTON_MARGIN);
 		toVisibleButtonData.left = new FormAttachment(visibleViewer
 				.getControl(), IDialogConstants.BUTTON_MARGIN);
 		toVisibleButtonData.right = new FormAttachment(nonVisibleViewer
 				.getControl(), rightMargin);
 		toVisibleButton.setLayoutData(toVisibleButtonData);

 		toVisibleButton.addSelectionListener(new SelectionAdapter() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 			 */
 			public void widgetSelected(SelectionEvent e) {
 				List selection = ((IStructuredSelection) nonVisibleViewer
 						.getSelection()).toList();
 				hidden.removeAll(selection);
 				visible.addAll(selection);
 				visibleViewer.refresh();
 				nonVisibleViewer.refresh();
 				setValid(
 						visible.size() > 0,
 						MarkerMessages.MarkerPreferences_AtLeastOneVisibleColumn);
 			}
 		});

 	}

 	/**
 	 * Return a label provider for fields.
 	 * @return LabelProvider
 	 */
 	private LabelProvider markerFieldLabelProvider() {
 		return new LabelProvider() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
 			 */
 			public String getText(Object element) {
 				return ((MarkerField) element).getName();
 			}
 		};
 	}

 	/**
 	 * Set the enabled state of the OK button by state.
 	 *
 	 * @param state
 	 */
 	protected void setValid(boolean state, String errorMessage) {
 		Button okButton = getButton(IDialogConstants.OK_ID);

 		if (okButton == null)
 			return;

 		if (state)
 			messageLabel.setText(MarkerSupportInternalUtilities.EMPTY_STRING);
 		else
 			messageLabel.setText(errorMessage);

 		okButton.setEnabled(state);

 	}

 	/**
 	 * Enable the limitEditor based on checked.
 	 *
 	 * @param control
 	 *            The parent of the editor
 	 * @param checked
 	 */
 	private void setLimitEditorEnablement(Composite control, boolean checked) {
 		limitEditor.setEnabled(checked, control);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 	 */
 	protected void okPressed() {

 		limitEditor.store();
 		IDEWorkbenchPlugin.getDefault().getPreferenceStore().setValue(
 				IDEInternalPreferences.USE_MARKER_LIMITS,
 				enablementButton.getSelection());
 		IDEWorkbenchPlugin.getDefault().savePluginPreferences();

 		extendedView.setVisibleFields(visible);

 		super.okPressed();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.preferences.ViewSettingsDialog#performDefaults()
 	 */
 	protected void performDefaults() {
 		super.performDefaults();
 		limitEditor.loadDefault();
 		boolean checked = IDEWorkbenchPlugin.getDefault().getPreferenceStore()
 				.getDefaultBoolean(IDEInternalPreferences.USE_MARKER_LIMITS);
 		enablementButton.setSelection(checked);
 		setLimitEditorEnablement(editArea, checked);

 		Object[] visibleFields=extendedView.getBuilder().getGenerator().getInitialVisible();
 		Object[] allFields=extendedView.getBuilder().getGenerator().getAllFields();
 		visible.clear();
 		hidden.clear();
 		for (int i = 0; i < allFields.length; i++) {
 			hidden.add(allFields[i]);
 		}
 		for (int i = 0; i < visibleFields.length; i++) {
 			hidden.remove(visibleFields[i]);
 			visible.add(visibleFields[i]);
 		}
 		visibleViewer.refresh();
 		nonVisibleViewer.refresh();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2008, 2009 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	******************************************************************************/

	package org.eclipse.ui.internal.views.markers;

	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.preference.IntegerFieldEditor;
	import org.eclipse.jface.resource.JFaceColors;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.ListViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.FormAttachment;
	import org.eclipse.swt.layout.FormData;
	import org.eclipse.swt.layout.FormLayout;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.internal.ide.IDEInternalPreferences;
	import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
	import org.eclipse.ui.preferences.ViewSettingsDialog;
	import org.eclipse.ui.views.markers.MarkerField;
	import org.eclipse.ui.views.markers.internal.MarkerMessages;

	/**
	* MarkerPreferencesDialog is the dialog for showing marker preferences.
	*
	* @since 3.4
	*
	*/
	public class MarkerPreferencesDialog extends ViewSettingsDialog {

	private IntegerFieldEditor limitEditor;

	private Button enablementButton;

	private Composite editArea;

	private Label messageLabel;

	private ExtendedMarkersView extendedView;

	private ArrayList visible;

	private ArrayList hidden;

	private ListViewer visibleViewer;

	private ListViewer nonVisibleViewer;

	/**
	* Create a new instance of the receiver.
	*
	* @param view -
	* the view this is being launched from
	*/
	public MarkerPreferencesDialog(ExtendedMarkersView view) {
	super(view.getSite().getShell());
	this.extendedView = view;

	Object[] visibleFields = view.getVisibleFields();
	Object[] hiddenFields = view.getHiddenFields();

	visible = new ArrayList();
	hidden = new ArrayList();

	for (int i = 0; i < visibleFields.length; i++) {
	visible.add(visibleFields[i]);
	}

	for (int i = 0; i < hiddenFields.length; i++) {
	hidden.add(hiddenFields[i]);
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
	*/
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	newShell.setText(MarkerMessages.MarkerPreferences_DialogTitle);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.window.Window#getShellStyle()
	*/
	protected int getShellStyle() {
	return super.getShellStyle() \| SWT.RESIZE;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createDialogArea(Composite parent) {

	Composite dialogArea = (Composite) super.createDialogArea(parent);

	boolean checked = IDEWorkbenchPlugin.getDefault().getPreferenceStore()
	.getBoolean(IDEInternalPreferences.USE_MARKER_LIMITS);
	enablementButton = new Button(dialogArea, SWT.CHECK);
	enablementButton.setText(MarkerMessages.MarkerPreferences_MarkerLimits);
	enablementButton.setSelection(checked);

	editArea = new Composite(dialogArea, SWT.NONE);
	editArea.setLayout(new GridLayout());
	GridData editData = new GridData(GridData.FILL_BOTH
	\| GridData.GRAB_HORIZONTAL \| GridData.GRAB_VERTICAL);
	editData.horizontalIndent = 10;
	editArea.setLayoutData(editData);

	limitEditor = new IntegerFieldEditor(
	"limit", MarkerMessages.MarkerPreferences_VisibleItems, editArea) { //$NON-NLS-1$
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.preference.IntegerFieldEditor#checkState()
	*/
	protected boolean checkState() {
	boolean state = super.checkState();
	setValid(state, getErrorMessage());
	return state;
	}
	};
	limitEditor.setPreferenceStore(IDEWorkbenchPlugin.getDefault()
	.getPreferenceStore());
	limitEditor
	.setPreferenceName(IDEInternalPreferences.MARKER_LIMITS_VALUE);
	limitEditor.load();

	GridData checkedData = new GridData(SWT.FILL, SWT.NONE, true, false);
	checkedData.horizontalSpan = limitEditor.getNumberOfControls();
	enablementButton.setLayoutData(checkedData);

	enablementButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	setLimitEditorEnablement(editArea, enablementButton
	.getSelection());
	}
	});

	setLimitEditorEnablement(editArea, checked);

	messageLabel = new Label(dialogArea, SWT.NONE);

	messageLabel.setBackground(JFaceColors.getErrorBackground(dialogArea
	.getDisplay()));
	messageLabel.setForeground(JFaceColors.getErrorText(dialogArea
	.getDisplay()));
	messageLabel
	.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

	createColumnsArea(dialogArea);

	applyDialogFont(dialogArea);
	return dialogArea;
	}

	/**
	* Create an area for the selected columns
	*
	* @param dialogArea
	*/
	private void createColumnsArea(Composite dialogArea) {

	initializeDialogUnits(dialogArea);
	Group columnsComposite = new Group(dialogArea, SWT.NONE);
	columnsComposite.setText(MarkerMessages.MarkerPreferences_ColumnGroupTitle);
	FormLayout layout = new FormLayout();
	columnsComposite.setLayout(layout);

	columnsComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
	true));
	Label visibleItemsLabel = new Label(columnsComposite, SWT.NONE);
	visibleItemsLabel.setText(MarkerMessages.MarkerPreferences_VisibleColumnsTitle);
	FormData visibleLabelData = new FormData();
	visibleLabelData.right = new FormAttachment(45, 0);
	visibleLabelData.left = new FormAttachment(
	IDialogConstants.BUTTON_MARGIN);
	visibleLabelData.top = new FormAttachment(0);
	visibleItemsLabel.setLayoutData(visibleLabelData);

	int rightMargin = IDialogConstants.BUTTON_MARGIN * -1;

	Label nonVisibleLabel = new Label(columnsComposite, SWT.NONE);
	nonVisibleLabel.setText(MarkerMessages.MarkerPreferences_HiddenColumnsTitle);
	FormData nonVisibleLabelData = new FormData();
	nonVisibleLabelData.right = new FormAttachment(100);
	nonVisibleLabelData.left = new FormAttachment(55, 0);
	nonVisibleLabelData.top = new FormAttachment(0);
	nonVisibleLabel.setLayoutData(nonVisibleLabelData);

	visibleViewer = new ListViewer(columnsComposite,
	SWT.BORDER);

	FormData visibleViewerData = new FormData();
	visibleViewerData.right = new FormAttachment(visibleItemsLabel, 0,
	SWT.RIGHT);
	visibleViewerData.left = new FormAttachment(visibleItemsLabel, 0,
	SWT.LEFT);
	visibleViewerData.top = new FormAttachment(visibleItemsLabel,
	IDialogConstants.BUTTON_MARGIN);
	visibleViewerData.bottom = new FormAttachment(100, rightMargin);
	visibleViewerData.height = convertHeightInCharsToPixels(15);
	visibleViewerData.width = convertWidthInCharsToPixels(25);

	visibleViewer.getControl().setLayoutData(visibleViewerData);

	visibleViewer.setContentProvider(new IStructuredContentProvider() {

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
	*/
	public Object[] getElements(Object inputElement) {
	return visible.toArray();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IContentProvider#dispose()
	*/
	public void dispose() {
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
	* java.lang.Object, java.lang.Object)
	*/
	public void inputChanged(Viewer viewer, Object oldInput,
	Object newInput) {
	}

	});

	visibleViewer.setLabelProvider(markerFieldLabelProvider());

	visibleViewer.setInput(this);

	nonVisibleViewer = new ListViewer(columnsComposite,
	SWT.BORDER);

	nonVisibleViewer.setLabelProvider(markerFieldLabelProvider());

	nonVisibleViewer.setContentProvider(new IStructuredContentProvider() {

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
	*/
	public Object[] getElements(Object inputElement) {
	return hidden.toArray();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IContentProvider#dispose()
	*/
	public void dispose() {
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
	* java.lang.Object, java.lang.Object)
	*/
	public void inputChanged(Viewer viewer, Object oldInput,
	Object newInput) {
	}

	});
	nonVisibleViewer.setInput(this);

	FormData nonVisibleViewerData = new FormData();
	nonVisibleViewerData.right = new FormAttachment(nonVisibleLabel, 0,
	SWT.RIGHT);
	nonVisibleViewerData.left = new FormAttachment(nonVisibleLabel, 0,
	SWT.LEFT);
	nonVisibleViewerData.top = new FormAttachment(nonVisibleLabel,
	IDialogConstants.BUTTON_MARGIN);
	nonVisibleViewerData.bottom = new FormAttachment(100, rightMargin);
	nonVisibleViewerData.height = convertHeightInCharsToPixels(15);
	nonVisibleViewerData.width = convertWidthInCharsToPixels(25);

	nonVisibleViewer.getControl().setLayoutData(nonVisibleViewerData);

	Button toNonVisibleButton = new Button(columnsComposite, SWT.PUSH);
	toNonVisibleButton
	.setText(getDefaultOrientation() == SWT.RIGHT_TO_LEFT ? MarkerMessages.MarkerPreferences_MoveLeft
	: MarkerMessages.MarkerPreferences_MoveRight);

	FormData toNonVisibleButtonData = new FormData();

	toNonVisibleButtonData.top = new FormAttachment(visibleViewer
	.getControl(), IDialogConstants.BUTTON_BAR_HEIGHT, SWT.TOP);
	toNonVisibleButtonData.left = new FormAttachment(visibleViewer
	.getControl(), IDialogConstants.BUTTON_MARGIN);
	toNonVisibleButtonData.right = new FormAttachment(nonVisibleViewer
	.getControl(), rightMargin);
	toNonVisibleButton.setLayoutData(toNonVisibleButtonData);

	toNonVisibleButton.addSelectionListener(new SelectionAdapter() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	*/
	public void widgetSelected(SelectionEvent e) {
	List selection = ((IStructuredSelection) visibleViewer
	.getSelection()).toList();
	hidden.addAll(selection);
	visible.removeAll(selection);
	visibleViewer.refresh();
	nonVisibleViewer.refresh();
	setValid(
	visible.size() > 0,
	MarkerMessages.MarkerPreferences_AtLeastOneVisibleColumn);
	}
	});

	Button toVisibleButton = new Button(columnsComposite, SWT.PUSH);
	toVisibleButton
	.setText(getDefaultOrientation() == SWT.RIGHT_TO_LEFT ? MarkerMessages.MarkerPreferences_MoveRight
	: MarkerMessages.MarkerPreferences_MoveLeft);

	FormData toVisibleButtonData = new FormData();

	toVisibleButtonData.top = new FormAttachment(toNonVisibleButton,
	IDialogConstants.BUTTON_MARGIN);
	toVisibleButtonData.left = new FormAttachment(visibleViewer
	.getControl(), IDialogConstants.BUTTON_MARGIN);
	toVisibleButtonData.right = new FormAttachment(nonVisibleViewer
	.getControl(), rightMargin);
	toVisibleButton.setLayoutData(toVisibleButtonData);

	toVisibleButton.addSelectionListener(new SelectionAdapter() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	*/
	public void widgetSelected(SelectionEvent e) {
	List selection = ((IStructuredSelection) nonVisibleViewer
	.getSelection()).toList();
	hidden.removeAll(selection);
	visible.addAll(selection);
	visibleViewer.refresh();
	nonVisibleViewer.refresh();
	setValid(
	visible.size() > 0,
	MarkerMessages.MarkerPreferences_AtLeastOneVisibleColumn);
	}
	});

	}

	/**
	* Return a label provider for fields.
	* @return LabelProvider
	*/
	private LabelProvider markerFieldLabelProvider() {
	return new LabelProvider() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
	*/
	public String getText(Object element) {
	return ((MarkerField) element).getName();
	}
	};
	}

	/**
	* Set the enabled state of the OK button by state.
	*
	* @param state
	*/
	protected void setValid(boolean state, String errorMessage) {
	Button okButton = getButton(IDialogConstants.OK_ID);

	if (okButton == null)
	return;

	if (state)
	messageLabel.setText(MarkerSupportInternalUtilities.EMPTY_STRING);
	else
	messageLabel.setText(errorMessage);

	okButton.setEnabled(state);

	}

	/**
	* Enable the limitEditor based on checked.
	*
	* @param control
	* The parent of the editor
	* @param checked
	*/
	private void setLimitEditorEnablement(Composite control, boolean checked) {
	limitEditor.setEnabled(checked, control);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#okPressed()
	*/
	protected void okPressed() {

	limitEditor.store();
	IDEWorkbenchPlugin.getDefault().getPreferenceStore().setValue(
	IDEInternalPreferences.USE_MARKER_LIMITS,
	enablementButton.getSelection());
	IDEWorkbenchPlugin.getDefault().savePluginPreferences();

	extendedView.setVisibleFields(visible);

	super.okPressed();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.preferences.ViewSettingsDialog#performDefaults()
	*/
	protected void performDefaults() {
	super.performDefaults();
	limitEditor.loadDefault();
	boolean checked = IDEWorkbenchPlugin.getDefault().getPreferenceStore()
	.getDefaultBoolean(IDEInternalPreferences.USE_MARKER_LIMITS);
	enablementButton.setSelection(checked);
	setLimitEditorEnablement(editArea, checked);

	Object[] visibleFields=extendedView.getBuilder().getGenerator().getInitialVisible();
	Object[] allFields=extendedView.getBuilder().getGenerator().getAllFields();
	visible.clear();
	hidden.clear();
	for (int i = 0; i < allFields.length; i++) {
	hidden.add(allFields[i]);
	}
	for (int i = 0; i < visibleFields.length; i++) {
	hidden.remove(visibleFields[i]);
	visible.add(visibleFields[i]);
	}
	visibleViewer.refresh();
	nonVisibleViewer.refresh();
	}

	}