plugins/org.eclipse.objectteams.otdt.ui/src/org/eclipse/objectteams/otdt/internal/ui/preferences/CompilerConfigurationBlock.java - objectteams/org.eclipse.objectteams - Gitiles

 /**********************************************************************
  * This file is part of "Object Teams Development Tooling"-Software
  *
  * Copyright 2005, 2009 Fraunhofer Gesellschaft, Munich, Germany,
  * for its Fraunhofer Institute for Computer Architecture and Software
  * Technology (FIRST), Berlin, Germany and Technical University Berlin,
  * Germany.
  *
  * 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
  * $Id: CompilerConfigurationBlock.java 23435 2010-02-04 00:14:38Z stephan $
  *
  * Please visit http://www.eclipse.org/objectteams for updates and contact.
  *
  * Contributors:
  * Fraunhofer FIRST - Initial API and implementation
  * Technical University Berlin - Initial API and implementation
  **********************************************************************/
 package org.eclipse.objectteams.otdt.internal.ui.preferences;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.internal.ui.JavaPlugin;
 import org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock;
 import org.eclipse.jdt.internal.ui.preferences.PreferencesMessages;
 import org.eclipse.jdt.internal.ui.preferences.ScrolledPageContent;
 import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;
 import org.eclipse.jface.dialogs.ControlEnableState;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.objectteams.otdt.core.ext.OTDTPlugin;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.FontData;
 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.ui.forms.widgets.ExpandableComposite;
 import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;

 /**
  * Partly copied from org.eclipse.jdt.internal.ui.preferences.CompilerConfigurationBlock.
  *
  * This class defines all configurable options of the OT/J compiler.
  * + private static final Key PREF_PB_
  *   also add in getKeys()
  * + createCompilerPreferenceTabContent() -> create label
  *   -> use OTPreferencesMessages
  *
  * Other classes/methods involved are (Problem reporting):
  * + CompilerOptions:
  *   - constant "String OPTION_ReportXxx"
  *   - constant "long Xxx" bit for use in mask
  *   - default "warningThreshold": include Xxx-bit if appropriate
  *   - getMap(): transfer severity (bitset) to optionsMap
  *   - set(Map): transfer from optionsMap to severity (bitset)
  *   - toString()
  * + ProblemReporter
  *   - getIrritant: map problemId (from IProblem) to irritant (=option)
  *   - individual report-methods: don't hardcode severity!
  * + DefaultCodeFormatter.getDefaultCompilerOptions()
  *
  * Integration into the plugin:
  * + OTDTPlugin.OT_COMPILER_XXX: constants for configurable options (sync with OPTION_ReportXxx)
  * + OTCompilerPreferencePage
  * 		(basically unchanged except for reference to CompilerConfigurationBlock and one ID)
  * + plugin.xml:
  * 		define preference/property-page extensions
  *
  * For enable/disable options these differences apply:
  * + CompilerOptions:
  *   - no longs/masks but a boolean field
  *
  * Created on Sep 11, 2005
  *
  * @author stephan
  * @version $Id: CompilerConfigurationBlock.java 23435 2010-02-04 00:14:38Z stephan $
  */
 public class CompilerConfigurationBlock extends OptionsConfigurationBlock {

 	// Preference store keys, see JavaCore.getOptions
 	/* Note(SH):
      * We must use the JDTCoreKeys in order to store our preferences in the same preference store (and thus file).
 	 * Only keys from this store will be passed to the compiler
      */

 	// proplem severities:
 	private static final Key PREF_PB_BASECALL = getJDTCoreKey(OTDTPlugin.OT_COMPILER_BASE_CALL);
 	private static final Key PREF_PB_BASECLASS_CYCLE = getJDTCoreKey(OTDTPlugin.OT_COMPILER_BASECLASS_CYCLE);
 	private static final Key PREF_PB_UNSAFE_ROLE_INSTANTIATION = getJDTCoreKey(OTDTPlugin.OT_COMPILER_UNSAFE_ROLE_INSTANTIATION);
 	private static final Key PREF_PB_FRAGILE_CALLIN = getJDTCoreKey(OTDTPlugin.OT_COMPILER_FRAGILE_CALLIN);
 	private static final Key PREF_PB_POTENTIAL_AMBIGUOUS_PLAYEDBY = getJDTCoreKey(OTDTPlugin.OT_COMPILER_POTENTIAL_AMBIGUOUS_PLAYEDBY);
 	private static final Key PREF_PB_ABSTRACT_POTENTIAL_RELEVANT_ROLE = getJDTCoreKey(OTDTPlugin.OT_COMPILER_ABSTRACT_POTENTIAL_RELEVANT_ROLE);
 	private static final Key PREF_PB_DECAPSULATION = getJDTCoreKey(OTDTPlugin.OT_COMPILER_DECAPSULATION);
 	private static final Key PREF_PB_DEPRECATED_PATH_SYNTAX = getJDTCoreKey(OTDTPlugin.OT_COMPILER_DEPRECATED_PATH_SYNTAX);
 	private static final Key PREF_PB_BINDING_CONVENTIONS = getJDTCoreKey(OTDTPlugin.OT_COMPILER_BINDING_CONVENTIONS);
 	private static final Key PREF_PB_INFERRED_CALLOUT = getJDTCoreKey(OTDTPlugin.OT_COMPILER_INFERRED_CALLOUT);
 	private static final Key PREF_PB_WEAVE_INTO_SYSTEM_CLASS = getJDTCoreKey(OTDTPlugin.OT_COMPILER_WEAVE_INTO_SYSTEM_CLASS);
 	private static final Key PREF_PB_OVERRIDE_FINAL_ROLE = getJDTCoreKey(OTDTPlugin.OT_COMPILER_OVERRIDE_FINAL_ROLE);
 	private static final Key PREF_PB_EXCEPTION_IN_GUARD = getJDTCoreKey(OTDTPlugin.OT_COMPILER_EXCEPTION_IN_GUARD);
 	private static final Key PREF_PB_AMBIGUOUS_LOWERING = getJDTCoreKey(OTDTPlugin.OT_COMPILER_AMBIGUOUS_LOWERING);
 	private static final Key PREF_PB_ADAPTING_DEPRECATED = getJDTCoreKey(OTDTPlugin.OT_COMPILER_ADAPTING_DEPRECATED);
 	private static final Key PREF_PB_IGNORING_ROLE_RETURN = getJDTCoreKey(OTDTPlugin.OT_COMPILER_IGNORING_ROLE_RETURN);

 	// feature enablement:
 	private static final Key PREF_OPT_SCOPED_KEYWORDS = getJDTCoreKey(OTDTPlugin.OT_COMPILER_SCOPED_KEYWORDS);

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

 	private static final String SETTINGS_SECTION_NAME = null; // ?? see ProblemSeveritiesConfigurationBlock

 	private Composite fControlsComposite;
 	private ControlEnableState fBlockEnableState;

 	public CompilerConfigurationBlock(IStatusChangeListener context, IProject project, IWorkbenchPreferenceContainer container) {
 		super(context, project, getKeys(), container);

 		fBlockEnableState= null;
 	}

 	private static Key[] getKeys() {
 		return new Key[] {
 				PREF_PB_BASECALL,
 				PREF_PB_BASECLASS_CYCLE,
 				PREF_PB_UNSAFE_ROLE_INSTANTIATION,
 				PREF_PB_FRAGILE_CALLIN,
 				PREF_PB_IGNORING_ROLE_RETURN,
 				PREF_PB_POTENTIAL_AMBIGUOUS_PLAYEDBY, PREF_PB_ABSTRACT_POTENTIAL_RELEVANT_ROLE,
 				PREF_PB_DECAPSULATION,
 				PREF_PB_BINDING_CONVENTIONS,
 				PREF_PB_DEPRECATED_PATH_SYNTAX,
 				PREF_PB_INFERRED_CALLOUT,
 				PREF_PB_ADAPTING_DEPRECATED,
 				PREF_PB_WEAVE_INTO_SYSTEM_CLASS,
 				PREF_PB_OVERRIDE_FINAL_ROLE,
 				PREF_PB_EXCEPTION_IN_GUARD,
 				PREF_PB_AMBIGUOUS_LOWERING,
 				PREF_OPT_SCOPED_KEYWORDS
 			};
 	}

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

 		Composite complianceComposite= createCompilerPreferenceTabContent(parent);

 		validateSettings(null, null, null);

 		return complianceComposite;
 	}

 	public void enablePreferenceContent(boolean enable) {
 		if (fControlsComposite != null && !fControlsComposite.isDisposed()) {
 			if (enable) {
 				if (fBlockEnableState != null) {
 					fBlockEnableState.restore();
 					fBlockEnableState= null;
 				}
 			} else {
 				if (fBlockEnableState == null) {
 					fBlockEnableState= ControlEnableState.disable(fControlsComposite);
 				}
 			}
 		}
 	}


 	private Composite createCompilerPreferenceTabContent(Composite folder) {
 		String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };

 		String[] errorWarningIgnoreLabels= new String[] {
 			PreferencesMessages.ProblemSeveritiesConfigurationBlock_error,
 			PreferencesMessages.ProblemSeveritiesConfigurationBlock_warning,
 			PreferencesMessages.ProblemSeveritiesConfigurationBlock_ignore
 		};

 		String[] enabledDisabled= new String[] { ENABLED, DISABLED };


 		// widget layout mainly copied from ProblemSeveritiesConfigurationBlock:
 		int nColumns= 3;
 		final ScrolledPageContent sc1 = new ScrolledPageContent(folder);

 		Composite composite= sc1.getBody();
 		GridLayout layout= new GridLayout(nColumns, false);
 		layout.marginHeight= 0;
 		layout.marginWidth= 0;
 		composite.setLayout(layout);

 		Label description= new Label(composite, SWT.LEFT | SWT.WRAP);
 		description.setFont(description.getFont());
 		description.setText(OTPreferencesMessages.OTCompilerConfiguration_common_description);
 		description.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false, nColumns - 1, 1));

 		Composite inner;
 		String label;

 		// --- Problem configuration ---
 		inner = myCreateSection(nColumns, composite, OTPreferencesMessages.OTCompilerProblemConfiguration_description);

 		label= OTPreferencesMessages.OTCompilerProblemConfiguration_otjld_ref_description;
 		addLabel(inner, nColumns, label, SWT.ITALIC);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_not_exactly_one_basecall_label;
 		addComboBox(inner, label, PREF_PB_BASECALL, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_unsafe_role_instantiation_label;
 		addComboBox(inner, label, PREF_PB_UNSAFE_ROLE_INSTANTIATION, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_fragile_callin_label;
 		addComboBox(inner, label, PREF_PB_FRAGILE_CALLIN, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_ignoring_role_result;
 		addComboBox(inner, label, PREF_PB_IGNORING_ROLE_RETURN, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_potential_ambiguous_playedby_label;
 		addComboBox(inner, label, PREF_PB_POTENTIAL_AMBIGUOUS_PLAYEDBY, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_baseclass_cycle_label;
 		addComboBox(inner, label, PREF_PB_BASECLASS_CYCLE, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_ambiguous_lowering_label;
 		addComboBox(inner, label, PREF_PB_AMBIGUOUS_LOWERING, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_abstract_potential_relevant_role_label;
 		addComboBox(inner, label, PREF_PB_ABSTRACT_POTENTIAL_RELEVANT_ROLE, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_decapsulation_label;
 		addComboBox(inner, label, PREF_PB_DECAPSULATION, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_bindingconventions_label;
 		addComboBox(inner, label, PREF_PB_BINDING_CONVENTIONS, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_deprecated_path_syntax_label;
 		addComboBox(inner, label, PREF_PB_DEPRECATED_PATH_SYNTAX, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_inferred_callout_label;
 		addComboBox(inner, label, PREF_PB_INFERRED_CALLOUT, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_adapting_deprecated_label;
 		addComboBox(inner, label, PREF_PB_ADAPTING_DEPRECATED, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_binding_to_system_class;
 		addComboBox(inner, label, PREF_PB_WEAVE_INTO_SYSTEM_CLASS, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_override_final_role;
 		addComboBox(inner, label, PREF_PB_OVERRIDE_FINAL_ROLE, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_exception_in_guard;
 		addComboBox(inner, label, PREF_PB_EXCEPTION_IN_GUARD, errorWarningIgnore, errorWarningIgnoreLabels, 0);

 		// ---- Feature enablement ----
 		inner = myCreateSection(nColumns, composite, OTPreferencesMessages.OTCompilerFeatureEnablement_description);

 		label= OTPreferencesMessages.OTCompilerConfigurationBlock_opt_scoped_keywords;
 		addCheckBox(inner, label, PREF_OPT_SCOPED_KEYWORDS, enabledDisabled, 0);

 		// not sure whether this works
 		IDialogSettings section= JavaPlugin.getDefault().getDialogSettings().getSection(SETTINGS_SECTION_NAME);
 		restoreSectionExpansionStates(section);

 		// store in this field in order to support enabling/disabling via enablePreferenceContent()
 		fControlsComposite = composite;
 		return composite;
 	}

 	private Composite myCreateSection(int nColumns, Composite composite, String label) {
 		ExpandableComposite excomposite = createStyleSection(composite, label, nColumns);
 		Composite inner= new Composite(excomposite, SWT.NONE);
 		inner.setFont(composite.getFont());
 		inner.setLayout(new GridLayout(nColumns, false));
 		excomposite.setClient(inner);
 		return inner;
 	}

 	private void addLabel(Composite composite, int nColumns, String descriptionText, int fontStyle)
 	{
 		Label description= new Label(composite, SWT.WRAP);
 		description.setText(descriptionText);
 		if (fontStyle != SWT.NORMAL) {
 			Font f = composite.getFont();
 			FontData[] datas = f.getFontData();
 			datas[0].setStyle(fontStyle);
 			description.setFont(new Font(f.getDevice(), datas[0]));
 		}
 		GridData gd= new GridData();
 		gd.horizontalSpan= nColumns;
 		//gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(60);
 		description.setLayoutData(gd);
 	}

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

 		if (changedKey != null) {
 			if (PREF_PB_BASECALL.equals(changedKey) || PREF_PB_DECAPSULATION.equals(changedKey))
 			{
 				// not yet used really.
 				updateEnableStates();
 			} else {
 				return;
 			}
 		} else {
 			updateEnableStates();
 		}
 	}


 	private void updateEnableStates() {
 		// TODO(SH): enable check boxes for details:
 //		boolean enableBasecall = !checkValue(PREF_PB_BASECALL, IGNORE);
 //		getCheckBox(PREF_PB_DEPRECATION_IN_DEPRECATED_CODE).setEnabled(enableDeprecation);
 //		getCheckBox(PREF_PB_DEPRECATION_WHEN_OVERRIDING).setEnabled(enableDeprecation);

 		// TODO(SH): enable check boxes for details:
 //		boolean enableDecapsulation = !checkValue(PREF_PB_DECAPSULATION, IGNORE);
 //		getCheckBox(PREF_PB_DEPRECATION_IN_DEPRECATED_CODE).setEnabled(enableDeprecation);
 //		getCheckBox(PREF_PB_DEPRECATION_WHEN_OVERRIDING).setEnabled(enableDeprecation);

 	}


 	protected String[] getFullBuildDialogStrings(boolean workspaceSettings) {
 		String title= PreferencesMessages.ComplianceConfigurationBlock_needsbuild_title;

 		String message;
 		if (workspaceSettings) {
 			message= PreferencesMessages.ComplianceConfigurationBlock_needsfullbuild_message;
 		} else {
 			message= PreferencesMessages.ComplianceConfigurationBlock_needsprojectbuild_message;
 		}
 		return new String[] { title, message };
 	}

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

 }
	/**********************************************************************
	* This file is part of "Object Teams Development Tooling"-Software
	*
	* Copyright 2005, 2009 Fraunhofer Gesellschaft, Munich, Germany,
	* for its Fraunhofer Institute for Computer Architecture and Software
	* Technology (FIRST), Berlin, Germany and Technical University Berlin,
	* Germany.
	*
	* 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
	* $Id: CompilerConfigurationBlock.java 23435 2010-02-04 00:14:38Z stephan $
	*
	* Please visit http://www.eclipse.org/objectteams for updates and contact.
	*
	* Contributors:
	* Fraunhofer FIRST - Initial API and implementation
	* Technical University Berlin - Initial API and implementation
	**********************************************************************/
	package org.eclipse.objectteams.otdt.internal.ui.preferences;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.internal.ui.JavaPlugin;
	import org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock;
	import org.eclipse.jdt.internal.ui.preferences.PreferencesMessages;
	import org.eclipse.jdt.internal.ui.preferences.ScrolledPageContent;
	import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;
	import org.eclipse.jface.dialogs.ControlEnableState;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.objectteams.otdt.core.ext.OTDTPlugin;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.FontData;
	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.ui.forms.widgets.ExpandableComposite;
	import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;

	/**
	* Partly copied from org.eclipse.jdt.internal.ui.preferences.CompilerConfigurationBlock.
	*
	* This class defines all configurable options of the OT/J compiler.
	* + private static final Key PREF_PB_
	* also add in getKeys()
	* + createCompilerPreferenceTabContent() -> create label
	* -> use OTPreferencesMessages
	*
	* Other classes/methods involved are (Problem reporting):
	* + CompilerOptions:
	* - constant "String OPTION_ReportXxx"
	* - constant "long Xxx" bit for use in mask
	* - default "warningThreshold": include Xxx-bit if appropriate
	* - getMap(): transfer severity (bitset) to optionsMap
	* - set(Map): transfer from optionsMap to severity (bitset)
	* - toString()
	* + ProblemReporter
	* - getIrritant: map problemId (from IProblem) to irritant (=option)
	* - individual report-methods: don't hardcode severity!
	* + DefaultCodeFormatter.getDefaultCompilerOptions()
	*
	* Integration into the plugin:
	* + OTDTPlugin.OT_COMPILER_XXX: constants for configurable options (sync with OPTION_ReportXxx)
	* + OTCompilerPreferencePage
	* (basically unchanged except for reference to CompilerConfigurationBlock and one ID)
	* + plugin.xml:
	* define preference/property-page extensions
	*
	* For enable/disable options these differences apply:
	* + CompilerOptions:
	* - no longs/masks but a boolean field
	*
	* Created on Sep 11, 2005
	*
	* @author stephan
	* @version $Id: CompilerConfigurationBlock.java 23435 2010-02-04 00:14:38Z stephan $
	*/
	public class CompilerConfigurationBlock extends OptionsConfigurationBlock {

	// Preference store keys, see JavaCore.getOptions
	/* Note(SH):
	* We must use the JDTCoreKeys in order to store our preferences in the same preference store (and thus file).
	* Only keys from this store will be passed to the compiler
	*/

	// proplem severities:
	private static final Key PREF_PB_BASECALL = getJDTCoreKey(OTDTPlugin.OT_COMPILER_BASE_CALL);
	private static final Key PREF_PB_BASECLASS_CYCLE = getJDTCoreKey(OTDTPlugin.OT_COMPILER_BASECLASS_CYCLE);
	private static final Key PREF_PB_UNSAFE_ROLE_INSTANTIATION = getJDTCoreKey(OTDTPlugin.OT_COMPILER_UNSAFE_ROLE_INSTANTIATION);
	private static final Key PREF_PB_FRAGILE_CALLIN = getJDTCoreKey(OTDTPlugin.OT_COMPILER_FRAGILE_CALLIN);
	private static final Key PREF_PB_POTENTIAL_AMBIGUOUS_PLAYEDBY = getJDTCoreKey(OTDTPlugin.OT_COMPILER_POTENTIAL_AMBIGUOUS_PLAYEDBY);
	private static final Key PREF_PB_ABSTRACT_POTENTIAL_RELEVANT_ROLE = getJDTCoreKey(OTDTPlugin.OT_COMPILER_ABSTRACT_POTENTIAL_RELEVANT_ROLE);
	private static final Key PREF_PB_DECAPSULATION = getJDTCoreKey(OTDTPlugin.OT_COMPILER_DECAPSULATION);
	private static final Key PREF_PB_DEPRECATED_PATH_SYNTAX = getJDTCoreKey(OTDTPlugin.OT_COMPILER_DEPRECATED_PATH_SYNTAX);
	private static final Key PREF_PB_BINDING_CONVENTIONS = getJDTCoreKey(OTDTPlugin.OT_COMPILER_BINDING_CONVENTIONS);
	private static final Key PREF_PB_INFERRED_CALLOUT = getJDTCoreKey(OTDTPlugin.OT_COMPILER_INFERRED_CALLOUT);
	private static final Key PREF_PB_WEAVE_INTO_SYSTEM_CLASS = getJDTCoreKey(OTDTPlugin.OT_COMPILER_WEAVE_INTO_SYSTEM_CLASS);
	private static final Key PREF_PB_OVERRIDE_FINAL_ROLE = getJDTCoreKey(OTDTPlugin.OT_COMPILER_OVERRIDE_FINAL_ROLE);
	private static final Key PREF_PB_EXCEPTION_IN_GUARD = getJDTCoreKey(OTDTPlugin.OT_COMPILER_EXCEPTION_IN_GUARD);
	private static final Key PREF_PB_AMBIGUOUS_LOWERING = getJDTCoreKey(OTDTPlugin.OT_COMPILER_AMBIGUOUS_LOWERING);
	private static final Key PREF_PB_ADAPTING_DEPRECATED = getJDTCoreKey(OTDTPlugin.OT_COMPILER_ADAPTING_DEPRECATED);
	private static final Key PREF_PB_IGNORING_ROLE_RETURN = getJDTCoreKey(OTDTPlugin.OT_COMPILER_IGNORING_ROLE_RETURN);

	// feature enablement:
	private static final Key PREF_OPT_SCOPED_KEYWORDS = getJDTCoreKey(OTDTPlugin.OT_COMPILER_SCOPED_KEYWORDS);

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

	private static final String SETTINGS_SECTION_NAME = null; // ?? see ProblemSeveritiesConfigurationBlock

	private Composite fControlsComposite;
	private ControlEnableState fBlockEnableState;

	public CompilerConfigurationBlock(IStatusChangeListener context, IProject project, IWorkbenchPreferenceContainer container) {
	super(context, project, getKeys(), container);

	fBlockEnableState= null;
	}

	private static Key[] getKeys() {
	return new Key[] {
	PREF_PB_BASECALL,
	PREF_PB_BASECLASS_CYCLE,
	PREF_PB_UNSAFE_ROLE_INSTANTIATION,
	PREF_PB_FRAGILE_CALLIN,
	PREF_PB_IGNORING_ROLE_RETURN,
	PREF_PB_POTENTIAL_AMBIGUOUS_PLAYEDBY, PREF_PB_ABSTRACT_POTENTIAL_RELEVANT_ROLE,
	PREF_PB_DECAPSULATION,
	PREF_PB_BINDING_CONVENTIONS,
	PREF_PB_DEPRECATED_PATH_SYNTAX,
	PREF_PB_INFERRED_CALLOUT,
	PREF_PB_ADAPTING_DEPRECATED,
	PREF_PB_WEAVE_INTO_SYSTEM_CLASS,
	PREF_PB_OVERRIDE_FINAL_ROLE,
	PREF_PB_EXCEPTION_IN_GUARD,
	PREF_PB_AMBIGUOUS_LOWERING,
	PREF_OPT_SCOPED_KEYWORDS
	};
	}

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

	Composite complianceComposite= createCompilerPreferenceTabContent(parent);

	validateSettings(null, null, null);

	return complianceComposite;
	}

	public void enablePreferenceContent(boolean enable) {
	if (fControlsComposite != null && !fControlsComposite.isDisposed()) {
	if (enable) {
	if (fBlockEnableState != null) {
	fBlockEnableState.restore();
	fBlockEnableState= null;
	}
	} else {
	if (fBlockEnableState == null) {
	fBlockEnableState= ControlEnableState.disable(fControlsComposite);
	}
	}
	}
	}


	private Composite createCompilerPreferenceTabContent(Composite folder) {
	String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };

	String[] errorWarningIgnoreLabels= new String[] {
	PreferencesMessages.ProblemSeveritiesConfigurationBlock_error,
	PreferencesMessages.ProblemSeveritiesConfigurationBlock_warning,
	PreferencesMessages.ProblemSeveritiesConfigurationBlock_ignore
	};

	String[] enabledDisabled= new String[] { ENABLED, DISABLED };


	// widget layout mainly copied from ProblemSeveritiesConfigurationBlock:
	int nColumns= 3;
	final ScrolledPageContent sc1 = new ScrolledPageContent(folder);

	Composite composite= sc1.getBody();
	GridLayout layout= new GridLayout(nColumns, false);
	layout.marginHeight= 0;
	layout.marginWidth= 0;
	composite.setLayout(layout);

	Label description= new Label(composite, SWT.LEFT \| SWT.WRAP);
	description.setFont(description.getFont());
	description.setText(OTPreferencesMessages.OTCompilerConfiguration_common_description);
	description.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false, nColumns - 1, 1));

	Composite inner;
	String label;

	// --- Problem configuration ---
	inner = myCreateSection(nColumns, composite, OTPreferencesMessages.OTCompilerProblemConfiguration_description);

	label= OTPreferencesMessages.OTCompilerProblemConfiguration_otjld_ref_description;
	addLabel(inner, nColumns, label, SWT.ITALIC);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_not_exactly_one_basecall_label;
	addComboBox(inner, label, PREF_PB_BASECALL, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_unsafe_role_instantiation_label;
	addComboBox(inner, label, PREF_PB_UNSAFE_ROLE_INSTANTIATION, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_fragile_callin_label;
	addComboBox(inner, label, PREF_PB_FRAGILE_CALLIN, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_ignoring_role_result;
	addComboBox(inner, label, PREF_PB_IGNORING_ROLE_RETURN, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_potential_ambiguous_playedby_label;
	addComboBox(inner, label, PREF_PB_POTENTIAL_AMBIGUOUS_PLAYEDBY, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_baseclass_cycle_label;
	addComboBox(inner, label, PREF_PB_BASECLASS_CYCLE, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_ambiguous_lowering_label;
	addComboBox(inner, label, PREF_PB_AMBIGUOUS_LOWERING, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_abstract_potential_relevant_role_label;
	addComboBox(inner, label, PREF_PB_ABSTRACT_POTENTIAL_RELEVANT_ROLE, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_decapsulation_label;
	addComboBox(inner, label, PREF_PB_DECAPSULATION, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_bindingconventions_label;
	addComboBox(inner, label, PREF_PB_BINDING_CONVENTIONS, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_deprecated_path_syntax_label;
	addComboBox(inner, label, PREF_PB_DEPRECATED_PATH_SYNTAX, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_inferred_callout_label;
	addComboBox(inner, label, PREF_PB_INFERRED_CALLOUT, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_adapting_deprecated_label;
	addComboBox(inner, label, PREF_PB_ADAPTING_DEPRECATED, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_binding_to_system_class;
	addComboBox(inner, label, PREF_PB_WEAVE_INTO_SYSTEM_CLASS, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_override_final_role;
	addComboBox(inner, label, PREF_PB_OVERRIDE_FINAL_ROLE, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_exception_in_guard;
	addComboBox(inner, label, PREF_PB_EXCEPTION_IN_GUARD, errorWarningIgnore, errorWarningIgnoreLabels, 0);

	// ---- Feature enablement ----
	inner = myCreateSection(nColumns, composite, OTPreferencesMessages.OTCompilerFeatureEnablement_description);

	label= OTPreferencesMessages.OTCompilerConfigurationBlock_opt_scoped_keywords;
	addCheckBox(inner, label, PREF_OPT_SCOPED_KEYWORDS, enabledDisabled, 0);

	// not sure whether this works
	IDialogSettings section= JavaPlugin.getDefault().getDialogSettings().getSection(SETTINGS_SECTION_NAME);
	restoreSectionExpansionStates(section);

	// store in this field in order to support enabling/disabling via enablePreferenceContent()
	fControlsComposite = composite;
	return composite;
	}

	private Composite myCreateSection(int nColumns, Composite composite, String label) {
	ExpandableComposite excomposite = createStyleSection(composite, label, nColumns);
	Composite inner= new Composite(excomposite, SWT.NONE);
	inner.setFont(composite.getFont());
	inner.setLayout(new GridLayout(nColumns, false));
	excomposite.setClient(inner);
	return inner;
	}

	private void addLabel(Composite composite, int nColumns, String descriptionText, int fontStyle)
	{
	Label description= new Label(composite, SWT.WRAP);
	description.setText(descriptionText);
	if (fontStyle != SWT.NORMAL) {
	Font f = composite.getFont();
	FontData[] datas = f.getFontData();
	datas[0].setStyle(fontStyle);
	description.setFont(new Font(f.getDevice(), datas[0]));
	}
	GridData gd= new GridData();
	gd.horizontalSpan= nColumns;
	//gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(60);
	description.setLayoutData(gd);
	}

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

	if (changedKey != null) {
	if (PREF_PB_BASECALL.equals(changedKey) \|\| PREF_PB_DECAPSULATION.equals(changedKey))
	{
	// not yet used really.
	updateEnableStates();
	} else {
	return;
	}
	} else {
	updateEnableStates();
	}
	}


	private void updateEnableStates() {
	// TODO(SH): enable check boxes for details:
	// boolean enableBasecall = !checkValue(PREF_PB_BASECALL, IGNORE);
	// getCheckBox(PREF_PB_DEPRECATION_IN_DEPRECATED_CODE).setEnabled(enableDeprecation);
	// getCheckBox(PREF_PB_DEPRECATION_WHEN_OVERRIDING).setEnabled(enableDeprecation);

	// TODO(SH): enable check boxes for details:
	// boolean enableDecapsulation = !checkValue(PREF_PB_DECAPSULATION, IGNORE);
	// getCheckBox(PREF_PB_DEPRECATION_IN_DEPRECATED_CODE).setEnabled(enableDeprecation);
	// getCheckBox(PREF_PB_DEPRECATION_WHEN_OVERRIDING).setEnabled(enableDeprecation);

	}


	protected String[] getFullBuildDialogStrings(boolean workspaceSettings) {
	String title= PreferencesMessages.ComplianceConfigurationBlock_needsbuild_title;

	String message;
	if (workspaceSettings) {
	message= PreferencesMessages.ComplianceConfigurationBlock_needsfullbuild_message;
	} else {
	message= PreferencesMessages.ComplianceConfigurationBlock_needsprojectbuild_message;
	}
	return new String[] { title, message };
	}

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

	}