org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaBuildConfigurationBlock.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2006 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.jdt.internal.ui.preferences;

 import org.eclipse.core.runtime.IStatus;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.ResourcesPlugin;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 import org.eclipse.jface.dialogs.IDialogSettings;

 import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;

 import org.eclipse.ui.forms.widgets.ExpandableComposite;

 import org.eclipse.jdt.core.JavaCore;

 import org.eclipse.jdt.internal.corext.util.Messages;

 import org.eclipse.jdt.internal.ui.JavaPlugin;
 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
 import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
 import org.eclipse.jdt.internal.ui.util.PixelConverter;
 import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;

 /**
   */
 public class JavaBuildConfigurationBlock extends OptionsConfigurationBlock {

 	private static final String SETTINGS_SECTION_NAME= "JavaBuildConfigurationBlock"; //$NON-NLS-1$

 	private static final Key PREF_PB_MAX_PER_UNIT= getJDTCoreKey(JavaCore.COMPILER_PB_MAX_PER_UNIT);
 	private static final Key PREF_PB_FATAL_OPTIONAL_ERROR= getJDTCoreKey(JavaCore.COMPILER_PB_FATAL_OPTIONAL_ERROR);

 	private static final Key PREF_RESOURCE_FILTER= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER);
 	private static final Key PREF_BUILD_INVALID_CLASSPATH= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH);
 	private static final Key PREF_BUILD_CLEAN_OUTPUT_FOLDER= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER);
 	private static final Key PREF_ENABLE_EXCLUSION_PATTERNS= getJDTCoreKey(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS);
 	private static final Key PREF_ENABLE_MULTIPLE_OUTPUT_LOCATIONS= getJDTCoreKey(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS);

 	private static final Key PREF_PB_INCOMPLETE_BUILDPATH= getJDTCoreKey(JavaCore.CORE_INCOMPLETE_CLASSPATH);
 	private static final Key PREF_PB_CIRCULAR_BUILDPATH= getJDTCoreKey(JavaCore.CORE_CIRCULAR_CLASSPATH);
 	private static final Key PREF_PB_INCOMPATIBLE_JDK_LEVEL= getJDTCoreKey(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL);
 	private static final Key PREF_PB_DUPLICATE_RESOURCE= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE);
 	private static final Key PREF_RECREATE_MODIFIED_CLASS_FILES= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_RECREATE_MODIFIED_CLASS_FILES_IN_OUTPUT_FOLDER);


 	// values
 	private static final String ERROR= JavaCore.ERROR;
 	private static final String WARNING= JavaCore.WARNING;
 	private static final String IGNORE= JavaCore.IGNORE;

 	private static final String ABORT= JavaCore.ABORT;
 	private static final String CLEAN= JavaCore.CLEAN;

 	private static final String ENABLED= JavaCore.ENABLED;
 	private static final String DISABLED= JavaCore.DISABLED;

 	private PixelConverter fPixelConverter;

 	private IStatus fMaxNumberProblemsStatus, fResourceFilterStatus;

 	public JavaBuildConfigurationBlock(IStatusChangeListener context, IProject project, IWorkbenchPreferenceContainer container) {
 		super(context, project, getKeys(), container);
 		fMaxNumberProblemsStatus= new StatusInfo();
 		fResourceFilterStatus= new StatusInfo();
 	}

 	private static Key[] getKeys() {
 		Key[] keys= new Key[] {
 				PREF_PB_MAX_PER_UNIT, PREF_RESOURCE_FILTER, PREF_BUILD_INVALID_CLASSPATH, PREF_PB_INCOMPLETE_BUILDPATH, PREF_PB_CIRCULAR_BUILDPATH,
 				PREF_BUILD_CLEAN_OUTPUT_FOLDER, PREF_PB_DUPLICATE_RESOURCE, PREF_PB_FATAL_OPTIONAL_ERROR,
 				PREF_PB_INCOMPATIBLE_JDK_LEVEL, PREF_ENABLE_EXCLUSION_PATTERNS, PREF_ENABLE_MULTIPLE_OUTPUT_LOCATIONS, PREF_RECREATE_MODIFIED_CLASS_FILES,
 			};
 		return keys;
 	}


 	/*
 	 * @see org.eclipse.jface.preference.PreferencePage#createContents(Composite)
 	 */
 	protected Control createContents(Composite parent) {
 		fPixelConverter= new PixelConverter(parent);
 		setShell(parent.getShell());

 		Composite mainComp= new Composite(parent, SWT.NONE);
 		mainComp.setFont(parent.getFont());
 		GridLayout layout= new GridLayout();
 		layout.marginHeight= 0;
 		layout.marginWidth= 0;
 		mainComp.setLayout(layout);

 		Composite othersComposite= createBuildPathTabContent(mainComp);
 		GridData gridData= new GridData(GridData.FILL, GridData.FILL, true, true);
 		gridData.heightHint= fPixelConverter.convertHeightInCharsToPixels(20);
 		othersComposite.setLayoutData(gridData);

 		validateSettings(null, null, null);

 		return mainComp;
 	}


 	private Composite createBuildPathTabContent(Composite parent) {
 		String[] abortIgnoreValues= new String[] { ABORT, IGNORE };
 		String[] cleanIgnoreValues= new String[] { CLEAN, IGNORE };
 		String[] enableDisableValues= new String[] { ENABLED, DISABLED };
 		String[] enableIgnoreValues= new String[] { ENABLED, IGNORE };

 		String[] errorWarning= new String[] { ERROR, WARNING };

 		String[] errorWarningLabels= new String[] {
 			PreferencesMessages.JavaBuildConfigurationBlock_error,
 			PreferencesMessages.JavaBuildConfigurationBlock_warning
 		};

 		String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };
 		String[] errorWarningIgnoreLabels= new String[] {
 			PreferencesMessages.JavaBuildConfigurationBlock_error,
 			PreferencesMessages.JavaBuildConfigurationBlock_warning,
 			PreferencesMessages.JavaBuildConfigurationBlock_ignore
 		};

 		int nColumns= 3;

 		final ScrolledPageContent pageContent = new ScrolledPageContent(parent);

 		GridLayout layout= new GridLayout();
 		layout.numColumns= nColumns;
 		layout.marginHeight= 0;
 		layout.marginWidth= 0;

 		Composite composite= pageContent.getBody();
 		composite.setLayout(layout);

 		String label= PreferencesMessages.JavaBuildConfigurationBlock_section_general;
 		ExpandableComposite excomposite= createStyleSection(composite, label, nColumns);

 		Composite othersComposite= new Composite(excomposite, SWT.NONE);
 		excomposite.setClient(othersComposite);
 		othersComposite.setLayout(new GridLayout(nColumns, false));

 		label= PreferencesMessages.JavaBuildConfigurationBlock_pb_max_per_unit_label;
 		Text text= addTextField(othersComposite, label, PREF_PB_MAX_PER_UNIT, 0, 0);
 		GridData gd= (GridData) text.getLayoutData();
 		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(8);
 		gd.horizontalAlignment= GridData.END;
 		text.setTextLimit(6);


 		label= PreferencesMessages.JavaBuildConfigurationBlock_treat_optional_as_fatal;
 		SelectionListener listener= new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				String pageId= fProject != null ? ProblemSeveritiesPreferencePage.PROP_ID : ProblemSeveritiesPreferencePage.PREF_ID;
 				getPreferenceContainer().openPage(pageId, null);
 			}

 		};

 		int widthHint= fPixelConverter.convertWidthInCharsToPixels(40);
 		addCheckBoxWithLink(othersComposite, label, PREF_PB_FATAL_OPTIONAL_ERROR, enableDisableValues, 0, widthHint, listener);


 		label= PreferencesMessages.JavaBuildConfigurationBlock_enable_exclusion_patterns_label;
 		addCheckBox(othersComposite, label, PREF_ENABLE_EXCLUSION_PATTERNS, enableDisableValues, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_enable_multiple_outputlocations_label;
 		addCheckBox(othersComposite, label, PREF_ENABLE_MULTIPLE_OUTPUT_LOCATIONS, enableDisableValues, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_section_build_path_problems;
 		excomposite= createStyleSection(composite, label, nColumns);

 		othersComposite= new Composite(excomposite, SWT.NONE);
 		excomposite.setClient(othersComposite);
 		othersComposite.setLayout(new GridLayout(nColumns, false));

 		label= PreferencesMessages.JavaBuildConfigurationBlock_build_invalid_classpath_label;
 		addCheckBox(othersComposite, label, PREF_BUILD_INVALID_CLASSPATH, abortIgnoreValues, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_pb_incomplete_build_path_label;
 		addComboBox(othersComposite, label, PREF_PB_INCOMPLETE_BUILDPATH, errorWarning, errorWarningLabels, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_pb_build_path_cycles_label;
 		addComboBox(othersComposite, label, PREF_PB_CIRCULAR_BUILDPATH, errorWarning, errorWarningLabels, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_pb_check_prereq_binary_level_label;
 		addComboBox(othersComposite, label, PREF_PB_INCOMPATIBLE_JDK_LEVEL, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_section_output_folder;
 		excomposite= createStyleSection(composite, label, nColumns);

 		othersComposite= new Composite(excomposite, SWT.NONE);
 		excomposite.setClient(othersComposite);
 		othersComposite.setLayout(new GridLayout(nColumns, false));

 		label= PreferencesMessages.JavaBuildConfigurationBlock_pb_duplicate_resources_label;
 		addComboBox(othersComposite, label, PREF_PB_DUPLICATE_RESOURCE, errorWarning, errorWarningLabels, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_build_clean_outputfolder_label;
 		addCheckBox(othersComposite, label, PREF_BUILD_CLEAN_OUTPUT_FOLDER, cleanIgnoreValues, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_build_recreate_modified;
 		addCheckBox(othersComposite, label, PREF_RECREATE_MODIFIED_CLASS_FILES, enableIgnoreValues, 0);

 		label= PreferencesMessages.JavaBuildConfigurationBlock_resource_filter_label;
 		text= addTextField(othersComposite, label, PREF_RESOURCE_FILTER, 0, 0);
 		gd= (GridData) text.getLayoutData();
 		gd.grabExcessHorizontalSpace= true;
 		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(10);

 		Label description= new Label(othersComposite, SWT.WRAP);
 		description.setText(PreferencesMessages.JavaBuildConfigurationBlock_resource_filter_description);
 		gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd.horizontalSpan= nColumns;
 		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(60);
 		description.setLayoutData(gd);

 		IDialogSettings section= JavaPlugin.getDefault().getDialogSettings().getSection(SETTINGS_SECTION_NAME);
 		restoreSectionExpansionStates(section);

 		return pageContent;
 	}

 	/* (non-javadoc)
 	 * Update fields and validate.
 	 * @param changedKey Key that changed, or null, if all changed.
 	 */
 	protected void validateSettings(Key changedKey, String oldValue, String newValue) {
 		if (!areSettingsEnabled()) {
 			return;
 		}

 		if (changedKey != null) {
 			if (PREF_PB_MAX_PER_UNIT.equals(changedKey)) {
 				fMaxNumberProblemsStatus= validateMaxNumberProblems();
 			} else if (PREF_RESOURCE_FILTER.equals(changedKey)) {
 				fResourceFilterStatus= validateResourceFilters();
 			} else {
 				return;
 			}
 		} else {
 			updateEnableStates();
 			fMaxNumberProblemsStatus= validateMaxNumberProblems();
 			fResourceFilterStatus= validateResourceFilters();
 		}
 		IStatus status= StatusUtil.getMostSevere(new IStatus[] { fMaxNumberProblemsStatus, fResourceFilterStatus });
 		fContext.statusChanged(status);
 	}

 	private void updateEnableStates() {
 	}

 	protected String[] getFullBuildDialogStrings(boolean workspaceSettings) {
 		String title= PreferencesMessages.JavaBuildConfigurationBlock_needsbuild_title;
 		String message;
 		if (workspaceSettings) {
 			message= PreferencesMessages.JavaBuildConfigurationBlock_needsfullbuild_message;
 		} else {
 			message= PreferencesMessages.JavaBuildConfigurationBlock_needsprojectbuild_message;
 		}
 		return new String[] { title, message };
 	}

 	private IStatus validateMaxNumberProblems() {
 		String number= getValue(PREF_PB_MAX_PER_UNIT);
 		StatusInfo status= new StatusInfo();
 		if (number.length() == 0) {
 			status.setError(PreferencesMessages.JavaBuildConfigurationBlock_empty_input);
 		} else {
 			try {
 				int value= Integer.parseInt(number);
 				if (value <= 0) {
 					status.setError(Messages.format(PreferencesMessages.JavaBuildConfigurationBlock_invalid_input, number));
 				}
 			} catch (NumberFormatException e) {
 				status.setError(Messages.format(PreferencesMessages.JavaBuildConfigurationBlock_invalid_input, number));
 			}
 		}
 		return status;
 	}

 	private IStatus validateResourceFilters() {
 		String text= getValue(PREF_RESOURCE_FILTER);

 		IWorkspace workspace= ResourcesPlugin.getWorkspace();

 		String[] filters= getTokens(text, ","); //$NON-NLS-1$
 		for (int i= 0; i < filters.length; i++) {
 			String fileName= filters[i].replace('*', 'x');
 			int resourceType= IResource.FILE;
 			int lastCharacter= fileName.length() - 1;
 			if (lastCharacter >= 0 && fileName.charAt(lastCharacter) == '/') {
 				fileName= fileName.substring(0, lastCharacter);
 				resourceType= IResource.FOLDER;
 			}
 			IStatus status= workspace.validateName(fileName, resourceType);
 			if (status.matches(IStatus.ERROR)) {
 				String message= Messages.format(PreferencesMessages.JavaBuildConfigurationBlock_filter_invalidsegment_error, status.getMessage());
 				return new StatusInfo(IStatus.ERROR, message);
 			}
 		}
 		return new StatusInfo();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#dispose()
 	 */
 	public void dispose() {
 		IDialogSettings settings= JavaPlugin.getDefault().getDialogSettings().addNewSection(SETTINGS_SECTION_NAME);
 		storeSectionExpansionStates(settings);
 		super.dispose();
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2000, 2006 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.jdt.internal.ui.preferences;

	import org.eclipse.core.runtime.IStatus;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IWorkspace;
	import org.eclipse.core.resources.ResourcesPlugin;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	import org.eclipse.jface.dialogs.IDialogSettings;

	import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;

	import org.eclipse.ui.forms.widgets.ExpandableComposite;

	import org.eclipse.jdt.core.JavaCore;

	import org.eclipse.jdt.internal.corext.util.Messages;

	import org.eclipse.jdt.internal.ui.JavaPlugin;
	import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
	import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
	import org.eclipse.jdt.internal.ui.util.PixelConverter;
	import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;

	/**
	*/
	public class JavaBuildConfigurationBlock extends OptionsConfigurationBlock {

	private static final String SETTINGS_SECTION_NAME= "JavaBuildConfigurationBlock"; //$NON-NLS-1$

	private static final Key PREF_PB_MAX_PER_UNIT= getJDTCoreKey(JavaCore.COMPILER_PB_MAX_PER_UNIT);
	private static final Key PREF_PB_FATAL_OPTIONAL_ERROR= getJDTCoreKey(JavaCore.COMPILER_PB_FATAL_OPTIONAL_ERROR);

	private static final Key PREF_RESOURCE_FILTER= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER);
	private static final Key PREF_BUILD_INVALID_CLASSPATH= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH);
	private static final Key PREF_BUILD_CLEAN_OUTPUT_FOLDER= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER);
	private static final Key PREF_ENABLE_EXCLUSION_PATTERNS= getJDTCoreKey(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS);
	private static final Key PREF_ENABLE_MULTIPLE_OUTPUT_LOCATIONS= getJDTCoreKey(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS);

	private static final Key PREF_PB_INCOMPLETE_BUILDPATH= getJDTCoreKey(JavaCore.CORE_INCOMPLETE_CLASSPATH);
	private static final Key PREF_PB_CIRCULAR_BUILDPATH= getJDTCoreKey(JavaCore.CORE_CIRCULAR_CLASSPATH);
	private static final Key PREF_PB_INCOMPATIBLE_JDK_LEVEL= getJDTCoreKey(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL);
	private static final Key PREF_PB_DUPLICATE_RESOURCE= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE);
	private static final Key PREF_RECREATE_MODIFIED_CLASS_FILES= getJDTCoreKey(JavaCore.CORE_JAVA_BUILD_RECREATE_MODIFIED_CLASS_FILES_IN_OUTPUT_FOLDER);


	// values
	private static final String ERROR= JavaCore.ERROR;
	private static final String WARNING= JavaCore.WARNING;
	private static final String IGNORE= JavaCore.IGNORE;

	private static final String ABORT= JavaCore.ABORT;
	private static final String CLEAN= JavaCore.CLEAN;

	private static final String ENABLED= JavaCore.ENABLED;
	private static final String DISABLED= JavaCore.DISABLED;

	private PixelConverter fPixelConverter;

	private IStatus fMaxNumberProblemsStatus, fResourceFilterStatus;

	public JavaBuildConfigurationBlock(IStatusChangeListener context, IProject project, IWorkbenchPreferenceContainer container) {
	super(context, project, getKeys(), container);
	fMaxNumberProblemsStatus= new StatusInfo();
	fResourceFilterStatus= new StatusInfo();
	}

	private static Key[] getKeys() {
	Key[] keys= new Key[] {
	PREF_PB_MAX_PER_UNIT, PREF_RESOURCE_FILTER, PREF_BUILD_INVALID_CLASSPATH, PREF_PB_INCOMPLETE_BUILDPATH, PREF_PB_CIRCULAR_BUILDPATH,
	PREF_BUILD_CLEAN_OUTPUT_FOLDER, PREF_PB_DUPLICATE_RESOURCE, PREF_PB_FATAL_OPTIONAL_ERROR,
	PREF_PB_INCOMPATIBLE_JDK_LEVEL, PREF_ENABLE_EXCLUSION_PATTERNS, PREF_ENABLE_MULTIPLE_OUTPUT_LOCATIONS, PREF_RECREATE_MODIFIED_CLASS_FILES,
	};
	return keys;
	}


	/*
	* @see org.eclipse.jface.preference.PreferencePage#createContents(Composite)
	*/
	protected Control createContents(Composite parent) {
	fPixelConverter= new PixelConverter(parent);
	setShell(parent.getShell());

	Composite mainComp= new Composite(parent, SWT.NONE);
	mainComp.setFont(parent.getFont());
	GridLayout layout= new GridLayout();
	layout.marginHeight= 0;
	layout.marginWidth= 0;
	mainComp.setLayout(layout);

	Composite othersComposite= createBuildPathTabContent(mainComp);
	GridData gridData= new GridData(GridData.FILL, GridData.FILL, true, true);
	gridData.heightHint= fPixelConverter.convertHeightInCharsToPixels(20);
	othersComposite.setLayoutData(gridData);

	validateSettings(null, null, null);

	return mainComp;
	}


	private Composite createBuildPathTabContent(Composite parent) {
	String[] abortIgnoreValues= new String[] { ABORT, IGNORE };
	String[] cleanIgnoreValues= new String[] { CLEAN, IGNORE };
	String[] enableDisableValues= new String[] { ENABLED, DISABLED };
	String[] enableIgnoreValues= new String[] { ENABLED, IGNORE };

	String[] errorWarning= new String[] { ERROR, WARNING };

	String[] errorWarningLabels= new String[] {
	PreferencesMessages.JavaBuildConfigurationBlock_error,
	PreferencesMessages.JavaBuildConfigurationBlock_warning
	};

	String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };
	String[] errorWarningIgnoreLabels= new String[] {
	PreferencesMessages.JavaBuildConfigurationBlock_error,
	PreferencesMessages.JavaBuildConfigurationBlock_warning,
	PreferencesMessages.JavaBuildConfigurationBlock_ignore
	};

	int nColumns= 3;

	final ScrolledPageContent pageContent = new ScrolledPageContent(parent);

	GridLayout layout= new GridLayout();
	layout.numColumns= nColumns;
	layout.marginHeight= 0;
	layout.marginWidth= 0;

	Composite composite= pageContent.getBody();
	composite.setLayout(layout);

	String label= PreferencesMessages.JavaBuildConfigurationBlock_section_general;
	ExpandableComposite excomposite= createStyleSection(composite, label, nColumns);

	Composite othersComposite= new Composite(excomposite, SWT.NONE);
	excomposite.setClient(othersComposite);
	othersComposite.setLayout(new GridLayout(nColumns, false));

	label= PreferencesMessages.JavaBuildConfigurationBlock_pb_max_per_unit_label;
	Text text= addTextField(othersComposite, label, PREF_PB_MAX_PER_UNIT, 0, 0);
	GridData gd= (GridData) text.getLayoutData();
	gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(8);
	gd.horizontalAlignment= GridData.END;
	text.setTextLimit(6);


	label= PreferencesMessages.JavaBuildConfigurationBlock_treat_optional_as_fatal;
	SelectionListener listener= new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	String pageId= fProject != null ? ProblemSeveritiesPreferencePage.PROP_ID : ProblemSeveritiesPreferencePage.PREF_ID;
	getPreferenceContainer().openPage(pageId, null);
	}

	};

	int widthHint= fPixelConverter.convertWidthInCharsToPixels(40);
	addCheckBoxWithLink(othersComposite, label, PREF_PB_FATAL_OPTIONAL_ERROR, enableDisableValues, 0, widthHint, listener);


	label= PreferencesMessages.JavaBuildConfigurationBlock_enable_exclusion_patterns_label;
	addCheckBox(othersComposite, label, PREF_ENABLE_EXCLUSION_PATTERNS, enableDisableValues, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_enable_multiple_outputlocations_label;
	addCheckBox(othersComposite, label, PREF_ENABLE_MULTIPLE_OUTPUT_LOCATIONS, enableDisableValues, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_section_build_path_problems;
	excomposite= createStyleSection(composite, label, nColumns);

	othersComposite= new Composite(excomposite, SWT.NONE);
	excomposite.setClient(othersComposite);
	othersComposite.setLayout(new GridLayout(nColumns, false));

	label= PreferencesMessages.JavaBuildConfigurationBlock_build_invalid_classpath_label;
	addCheckBox(othersComposite, label, PREF_BUILD_INVALID_CLASSPATH, abortIgnoreValues, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_pb_incomplete_build_path_label;
	addComboBox(othersComposite, label, PREF_PB_INCOMPLETE_BUILDPATH, errorWarning, errorWarningLabels, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_pb_build_path_cycles_label;
	addComboBox(othersComposite, label, PREF_PB_CIRCULAR_BUILDPATH, errorWarning, errorWarningLabels, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_pb_check_prereq_binary_level_label;
	addComboBox(othersComposite, label, PREF_PB_INCOMPATIBLE_JDK_LEVEL, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_section_output_folder;
	excomposite= createStyleSection(composite, label, nColumns);

	othersComposite= new Composite(excomposite, SWT.NONE);
	excomposite.setClient(othersComposite);
	othersComposite.setLayout(new GridLayout(nColumns, false));

	label= PreferencesMessages.JavaBuildConfigurationBlock_pb_duplicate_resources_label;
	addComboBox(othersComposite, label, PREF_PB_DUPLICATE_RESOURCE, errorWarning, errorWarningLabels, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_build_clean_outputfolder_label;
	addCheckBox(othersComposite, label, PREF_BUILD_CLEAN_OUTPUT_FOLDER, cleanIgnoreValues, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_build_recreate_modified;
	addCheckBox(othersComposite, label, PREF_RECREATE_MODIFIED_CLASS_FILES, enableIgnoreValues, 0);

	label= PreferencesMessages.JavaBuildConfigurationBlock_resource_filter_label;
	text= addTextField(othersComposite, label, PREF_RESOURCE_FILTER, 0, 0);
	gd= (GridData) text.getLayoutData();
	gd.grabExcessHorizontalSpace= true;
	gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(10);

	Label description= new Label(othersComposite, SWT.WRAP);
	description.setText(PreferencesMessages.JavaBuildConfigurationBlock_resource_filter_description);
	gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.horizontalSpan= nColumns;
	gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(60);
	description.setLayoutData(gd);

	IDialogSettings section= JavaPlugin.getDefault().getDialogSettings().getSection(SETTINGS_SECTION_NAME);
	restoreSectionExpansionStates(section);

	return pageContent;
	}

	/* (non-javadoc)
	* Update fields and validate.
	* @param changedKey Key that changed, or null, if all changed.
	*/
	protected void validateSettings(Key changedKey, String oldValue, String newValue) {
	if (!areSettingsEnabled()) {
	return;
	}

	if (changedKey != null) {
	if (PREF_PB_MAX_PER_UNIT.equals(changedKey)) {
	fMaxNumberProblemsStatus= validateMaxNumberProblems();
	} else if (PREF_RESOURCE_FILTER.equals(changedKey)) {
	fResourceFilterStatus= validateResourceFilters();
	} else {
	return;
	}
	} else {
	updateEnableStates();
	fMaxNumberProblemsStatus= validateMaxNumberProblems();
	fResourceFilterStatus= validateResourceFilters();
	}
	IStatus status= StatusUtil.getMostSevere(new IStatus[] { fMaxNumberProblemsStatus, fResourceFilterStatus });
	fContext.statusChanged(status);
	}

	private void updateEnableStates() {
	}

	protected String[] getFullBuildDialogStrings(boolean workspaceSettings) {
	String title= PreferencesMessages.JavaBuildConfigurationBlock_needsbuild_title;
	String message;
	if (workspaceSettings) {
	message= PreferencesMessages.JavaBuildConfigurationBlock_needsfullbuild_message;
	} else {
	message= PreferencesMessages.JavaBuildConfigurationBlock_needsprojectbuild_message;
	}
	return new String[] { title, message };
	}

	private IStatus validateMaxNumberProblems() {
	String number= getValue(PREF_PB_MAX_PER_UNIT);
	StatusInfo status= new StatusInfo();
	if (number.length() == 0) {
	status.setError(PreferencesMessages.JavaBuildConfigurationBlock_empty_input);
	} else {
	try {
	int value= Integer.parseInt(number);
	if (value <= 0) {
	status.setError(Messages.format(PreferencesMessages.JavaBuildConfigurationBlock_invalid_input, number));
	}
	} catch (NumberFormatException e) {
	status.setError(Messages.format(PreferencesMessages.JavaBuildConfigurationBlock_invalid_input, number));
	}
	}
	return status;
	}

	private IStatus validateResourceFilters() {
	String text= getValue(PREF_RESOURCE_FILTER);

	IWorkspace workspace= ResourcesPlugin.getWorkspace();

	String[] filters= getTokens(text, ","); //$NON-NLS-1$
	for (int i= 0; i < filters.length; i++) {
	String fileName= filters[i].replace('*', 'x');
	int resourceType= IResource.FILE;
	int lastCharacter= fileName.length() - 1;
	if (lastCharacter >= 0 && fileName.charAt(lastCharacter) == '/') {
	fileName= fileName.substring(0, lastCharacter);
	resourceType= IResource.FOLDER;
	}
	IStatus status= workspace.validateName(fileName, resourceType);
	if (status.matches(IStatus.ERROR)) {
	String message= Messages.format(PreferencesMessages.JavaBuildConfigurationBlock_filter_invalidsegment_error, status.getMessage());
	return new StatusInfo(IStatus.ERROR, message);
	}
	}
	return new StatusInfo();
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#dispose()
	*/
	public void dispose() {
	IDialogSettings settings= JavaPlugin.getDefault().getDialogSettings().addNewSection(SETTINGS_SECTION_NAME);
	storeSectionExpansionStates(settings);
	super.dispose();
	}


	}