ltk/org.eclipse.statet.ltk.ui/src/org/eclipse/statet/ltk/ui/sourceediting/assist/AdvancedContentAssistConfigurationBlock.java - statet/org.eclipse.statet-ltk - Git at Google

 /*=============================================================================#
  # Copyright (c) 2009, 2020 Stephan Wahlbrink and others.
  #
  # This program and the accompanying materials are made available under the
  # terms of the Eclipse Public License 2.0 which is available at
  # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
  # which is available at https://www.apache.org/licenses/LICENSE-2.0.
  #
  # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
  #
  # Contributors:
  #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
  #=============================================================================*/

 package org.eclipse.statet.ltk.ui.sourceediting.assist;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import com.ibm.icu.text.Collator;

 import org.eclipse.core.commands.Command;
 import org.eclipse.core.commands.CommandManager;
 import org.eclipse.core.commands.IParameter;
 import org.eclipse.core.commands.Parameterization;
 import org.eclipse.core.commands.ParameterizedCommand;
 import org.eclipse.core.commands.common.NotDefinedException;
 import org.eclipse.core.commands.contexts.ContextManager;
 import org.eclipse.core.databinding.observable.list.IObservableList;
 import org.eclipse.core.databinding.observable.list.WritableList;
 import org.eclipse.jface.bindings.BindingManager;
 import org.eclipse.jface.bindings.Scheme;
 import org.eclipse.jface.bindings.TriggerSequence;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.CellLabelProvider;
 import org.eclipse.jface.viewers.CheckboxTableViewer;
 import org.eclipse.jface.viewers.ColumnWeightData;
 import org.eclipse.jface.viewers.TableViewerColumn;
 import org.eclipse.jface.viewers.ViewerCell;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Link;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.commands.ICommandService;
 import org.eclipse.ui.keys.IBindingService;
 import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;

 import org.eclipse.statet.ecommons.preferences.core.Preference;
 import org.eclipse.statet.ecommons.preferences.ui.ManagedConfigurationBlock;
 import org.eclipse.statet.ecommons.runtime.core.StatusChangeListener;
 import org.eclipse.statet.ecommons.ui.components.ButtonGroup;
 import org.eclipse.statet.ecommons.ui.util.LayoutUtils;
 import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils;
 import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils.CheckboxTableComposite;

 import org.eclipse.statet.internal.ltk.ui.EditingMessages;
 import org.eclipse.statet.ltk.ui.sourceediting.ISourceEditorCommandIds;


 public class AdvancedContentAssistConfigurationBlock extends ManagedConfigurationBlock {


 	private class CategoryKindLabelProvider extends CellLabelProvider {
 		@Override
 		public void update(final ViewerCell cell) {
 			final ContentAssistCategory category= (ContentAssistCategory) cell.getElement();
 			cell.setImage(getImage(category.getImageDescriptor()));
 			cell.setText(category.getDisplayName());
 		}
 	}


 	private static BindingManager gLocalBindingManager;


 	private CheckboxTableViewer defaultList;

 	private CheckboxTableViewer circlingList;
 	private ButtonGroup<ContentAssistCategory> circlingOrderButtons;

 	private final Map<Object, Image> images= new HashMap<>();

 	private final ContentAssistComputerRegistry registry;

 	private IObservableList<ContentAssistCategory> orderedCategories;

 	private Command specificCommand;
 	private IParameter specificParam;


 	public AdvancedContentAssistConfigurationBlock(final ContentAssistComputerRegistry registry,
 			final StatusChangeListener statusListener) {
 		super(null, statusListener);
 		this.registry= registry;

 		final ICommandService commandSvc= PlatformUI.getWorkbench().getAdapter(ICommandService.class);
 		this.specificCommand= commandSvc.getCommand(ISourceEditorCommandIds.SPECIFIC_CONTENT_ASSIST_COMMAND_ID);
 	}

 	private void prepareKeybindingInfo() {
 		if (this.specificCommand == null) {
 			return;
 		}
 		if (gLocalBindingManager == null) {
 			gLocalBindingManager= new BindingManager(new ContextManager(), new CommandManager());
 			final IBindingService bindingService= PlatformUI.getWorkbench().getService(IBindingService.class);
 			gLocalBindingManager.setLocale(bindingService.getLocale());
 			gLocalBindingManager.setPlatform(bindingService.getPlatform());

 			final Scheme[] definedSchemes= bindingService.getDefinedSchemes();
 			if (definedSchemes != null) {
 				try {
 					for (int i= 0; i < definedSchemes.length; i++) {
 						final Scheme scheme= definedSchemes[i];
 						final Scheme copy= gLocalBindingManager.getScheme(scheme.getId());
 						copy.define(scheme.getName(), scheme.getDescription(), scheme.getParentId());
 					}
 				}
 				catch (final NotDefinedException e) {
 				}
 			}
 		}
 		try {
 			this.specificParam= this.specificCommand.getParameters()[0];
 		}
 		catch (final Exception x) {
 			this.specificCommand= null;
 			this.specificParam= null;
 		}
 	}

 	private String getDefaultKeybindingAsString() {
 		final ICommandService commandSvc= PlatformUI.getWorkbench().getAdapter(ICommandService.class);
 		final Command command= commandSvc.getCommand(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
 		final ParameterizedCommand pCmd= new ParameterizedCommand(command, null);
 		final String key= getKeybindingAsString(pCmd);
 		return key;
 	}
 	private String getSpecificKeybindingAsString(final ContentAssistCategory category) {
 		if (gLocalBindingManager == null || category == null) {
 			return null;
 		}
 		final Parameterization[] params= { new Parameterization(this.specificParam, category.getId()) };
 		final ParameterizedCommand pCmd= new ParameterizedCommand(this.specificCommand, params);
 		return getKeybindingAsString(pCmd);
 	}

 	private String getKeybindingAsString(final ParameterizedCommand command) {
 		if (gLocalBindingManager == null) {
 			return null;
 		}
 		final IBindingService bindingService= PlatformUI.getWorkbench().getService(IBindingService.class);
 		try {
 			gLocalBindingManager.setBindings(bindingService.getBindings());
 			final Scheme activeScheme= bindingService.getActiveScheme();
 			if (activeScheme != null) {
 				gLocalBindingManager.setActiveScheme(activeScheme);
 			}

 			final TriggerSequence[] binding= gLocalBindingManager.getActiveBindingsDisregardingContextFor(command);
 			if (binding.length > 0) {
 				return binding[0].format();
 			}
 			return null;
 		}
 		catch (final NotDefinedException e) {
 			return null;
 		}
 	}

 	@Override
 	protected void createBlockArea(final Composite pageComposite) {
 		final Map<Preference<?>, String> prefs= new HashMap<>();

 		prefs.put(this.registry.getPrefDefaultDisabledCategoryIds(), this.registry.getSettingsGroupId());
 		prefs.put(this.registry.getPrefCirclingOrderedCategoryIds(), this.registry.getSettingsGroupId());

 		setupPreferenceManager(prefs);

 		prepareKeybindingInfo();

 		final Composite composite= new Composite(pageComposite, SWT.NONE);
 		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		composite.setLayout(LayoutUtils.newCompositeGrid(1));
 //		final Composite composite= pageComposite;

 		final Link control= addLinkControl(composite,
 				EditingMessages.ContentAssistAdvancedConfig_message_KeyBindingHint);
 		control.setLayoutData(applyWrapWidth(new GridData(SWT.FILL, SWT.FILL, true, false)));

 		{	final Label defaultKeyBindingLabel= new Label(composite, SWT.NONE);
 			final String defaultKeyBinding= getDefaultKeybindingAsString();
 			defaultKeyBindingLabel.setText((defaultKeyBinding != null) ?
 					NLS.bind(EditingMessages.ContentAssistAdvancedConfig_message_DefaultKeyBinding, defaultKeyBinding) :
 					EditingMessages.ContentAssistAdvancedConfig_message_NoDefaultKeyBinding );
 			defaultKeyBindingLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
 		}
 		{	// Default
 			final Group group= new Group(composite, SWT.NONE);
 			group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 			group.setLayout(LayoutUtils.newGroupGrid(1));
 			group.setText(EditingMessages.ContentAssistAdvancedConfig_Default_label);

 			final Label label= new Label(group, SWT.NONE);
 			label.setText(EditingMessages.ContentAssistAdvancedConfig_DefaultTable_label);
 			label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

 			final Composite table= createDefaultTable(group);
 			table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		}

 		{	// Cicling
 			final Group group= new Group(composite, SWT.NONE);
 			group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 			group.setLayout(LayoutUtils.newGroupGrid(2));
 			group.setText(EditingMessages.ContentAssistAdvancedConfig_Cicling_label);

 			final Label label= new Label(group, SWT.WRAP);
 			label.setText(EditingMessages.ContentAssistAdvancedConfig_CiclingTable_label);
 			label.setLayoutData(applyWrapWidth(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)));

 			final Composite table= createCirclingTable(group);
 			table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

 			this.circlingOrderButtons= new ButtonGroup<>(group);
 			this.circlingOrderButtons.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true));
 			this.circlingOrderButtons.addUpButton(null);
 			this.circlingOrderButtons.addDownButton(null);
 		}

 		this.orderedCategories= new WritableList<>();
 		this.circlingList.setInput(this.orderedCategories);
 		this.circlingOrderButtons.connectTo(this.circlingList, this.orderedCategories, null);
 		ViewerUtils.scheduleStandardSelection(this.circlingList);

 		ViewerUtils.scheduleStandardSelection(this.defaultList);

 		updateControls();
 	}

 	protected Composite createDefaultTable(final Composite parent) {
 		final CheckboxTableComposite composite= new ViewerUtils.CheckboxTableComposite(parent, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
 		this.defaultList= composite.viewer;
 		composite.table.setHeaderVisible(true);
 		composite.table.setLinesVisible(true);
 		composite.viewer.setContentProvider(new ArrayContentProvider());

 		{	final TableViewerColumn column= new TableViewerColumn(composite.viewer, SWT.NONE);
 			composite.layout.setColumnData(column.getColumn(), new ColumnWeightData(3));
 			column.getColumn().setText(EditingMessages.ContentAssistAdvancedConfig_ProposalKinds_label);
 			column.setLabelProvider(new CategoryKindLabelProvider());
 		}

 		{	final TableViewerColumn column= new TableViewerColumn(composite.viewer, SWT.NONE);
 			composite.layout.setColumnData(column.getColumn(), new ColumnWeightData(1));
 			column.getColumn().setText(EditingMessages.ContentAssistAdvancedConfig_KeyBinding_label);
 			column.setLabelProvider(new CellLabelProvider() {
 				@Override
 				public void update(final ViewerCell cell) {
 					final ContentAssistCategory category= (ContentAssistCategory) cell.getElement();
 					final String keybindingAsString= getSpecificKeybindingAsString(category);
 					cell.setText((keybindingAsString != null) ? keybindingAsString : ""); //$NON-NLS-1$
 				}
 			});
 		}

 		return composite;
 	}

 	protected Composite createCirclingTable(final Composite parent) {
 		final CheckboxTableComposite composite= new ViewerUtils.CheckboxTableComposite(parent, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
 		this.circlingList= composite.viewer;
 		composite.table.setHeaderVisible(true);
 		composite.table.setLinesVisible(true);
 		composite.viewer.setContentProvider(new ArrayContentProvider());

 		{	final TableViewerColumn column= new TableViewerColumn(composite.viewer, SWT.NONE);
 			composite.layout.setColumnData(column.getColumn(), new ColumnWeightData(1));
 			column.getColumn().setText(EditingMessages.ContentAssistAdvancedConfig_ProposalKinds_label);
 			column.setLabelProvider(new CategoryKindLabelProvider());
 		}
 		return composite;
 	}

 	private Image getImage(final ImageDescriptor imgDesc) {
 		if (imgDesc == null) {
 			return null;
 		}
 		Image img= this.images.get(imgDesc);
 		if (img == null) {
 			img= imgDesc.createImage(false);
 			this.images.put(imgDesc, img);
 		}
 		return img;
 	}

 	@Override
 	public void dispose() {
 		super.dispose();

 		for (final Image img : this.images.values()) {
 			img.dispose();
 		}
 		this.images.clear();
 	}


 	@Override
 	protected void updateControls() {
 		final List<ContentAssistCategory> orderedCategories= this.registry.applyPreferences(this, this.registry.getCopyOfCategories());

 		final List<ContentAssistCategory> defaultCategories= new ArrayList<>(orderedCategories);
 		Collections.sort(defaultCategories, new Comparator<ContentAssistCategory>() {
 			private final Collator NAMES_COLLARTOR= Collator.getInstance();
 			@Override
 			public int compare(final ContentAssistCategory o1, final ContentAssistCategory o2) {
 				return this.NAMES_COLLARTOR.compare(o1.getDisplayName(), o2.getDisplayName());
 			}
 		});
 		this.defaultList.setInput(defaultCategories);
 		for (final ContentAssistCategory category : defaultCategories) {
 			this.defaultList.setChecked(category, category.isIncludedInDefault);
 		}

 		this.orderedCategories.clear();
 		this.orderedCategories.addAll(orderedCategories);
 		this.circlingList.refresh();
 		for (final ContentAssistCategory category : orderedCategories) {
 			this.circlingList.setChecked(category, category.isEnabledAsSeparate);
 		}
 		this.circlingOrderButtons.refresh();
 	}

 	@Override
 	protected void updatePreferences() {
 		final List<ContentAssistCategory> orderedCategories= new ArrayList<>(this.orderedCategories);
 		for (final ContentAssistCategory category : orderedCategories) {
 			category.isIncludedInDefault= this.defaultList.getChecked(category);
 			category.isEnabledAsSeparate= this.circlingList.getChecked(category);
 		}

 		final Map<Preference<?>, Object> preferences= this.registry.createPreferences(orderedCategories);
 		setPrefValues(preferences);
 	}

 }
	/*=============================================================================#
	# Copyright (c) 2009, 2020 Stephan Wahlbrink and others.
	#
	# This program and the accompanying materials are made available under the
	# terms of the Eclipse Public License 2.0 which is available at
	# https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
	# which is available at https://www.apache.org/licenses/LICENSE-2.0.
	#
	# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
	#
	# Contributors:
	# Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
	#=============================================================================*/

	package org.eclipse.statet.ltk.ui.sourceediting.assist;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Comparator;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import com.ibm.icu.text.Collator;

	import org.eclipse.core.commands.Command;
	import org.eclipse.core.commands.CommandManager;
	import org.eclipse.core.commands.IParameter;
	import org.eclipse.core.commands.Parameterization;
	import org.eclipse.core.commands.ParameterizedCommand;
	import org.eclipse.core.commands.common.NotDefinedException;
	import org.eclipse.core.commands.contexts.ContextManager;
	import org.eclipse.core.databinding.observable.list.IObservableList;
	import org.eclipse.core.databinding.observable.list.WritableList;
	import org.eclipse.jface.bindings.BindingManager;
	import org.eclipse.jface.bindings.Scheme;
	import org.eclipse.jface.bindings.TriggerSequence;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.CellLabelProvider;
	import org.eclipse.jface.viewers.CheckboxTableViewer;
	import org.eclipse.jface.viewers.ColumnWeightData;
	import org.eclipse.jface.viewers.TableViewerColumn;
	import org.eclipse.jface.viewers.ViewerCell;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Link;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.commands.ICommandService;
	import org.eclipse.ui.keys.IBindingService;
	import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;

	import org.eclipse.statet.ecommons.preferences.core.Preference;
	import org.eclipse.statet.ecommons.preferences.ui.ManagedConfigurationBlock;
	import org.eclipse.statet.ecommons.runtime.core.StatusChangeListener;
	import org.eclipse.statet.ecommons.ui.components.ButtonGroup;
	import org.eclipse.statet.ecommons.ui.util.LayoutUtils;
	import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils;
	import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils.CheckboxTableComposite;

	import org.eclipse.statet.internal.ltk.ui.EditingMessages;
	import org.eclipse.statet.ltk.ui.sourceediting.ISourceEditorCommandIds;


	public class AdvancedContentAssistConfigurationBlock extends ManagedConfigurationBlock {


	private class CategoryKindLabelProvider extends CellLabelProvider {
	@Override
	public void update(final ViewerCell cell) {
	final ContentAssistCategory category= (ContentAssistCategory) cell.getElement();
	cell.setImage(getImage(category.getImageDescriptor()));
	cell.setText(category.getDisplayName());
	}
	}


	private static BindingManager gLocalBindingManager;


	private CheckboxTableViewer defaultList;

	private CheckboxTableViewer circlingList;
	private ButtonGroup<ContentAssistCategory> circlingOrderButtons;

	private final Map<Object, Image> images= new HashMap<>();

	private final ContentAssistComputerRegistry registry;

	private IObservableList<ContentAssistCategory> orderedCategories;

	private Command specificCommand;
	private IParameter specificParam;


	public AdvancedContentAssistConfigurationBlock(final ContentAssistComputerRegistry registry,
	final StatusChangeListener statusListener) {
	super(null, statusListener);
	this.registry= registry;

	final ICommandService commandSvc= PlatformUI.getWorkbench().getAdapter(ICommandService.class);
	this.specificCommand= commandSvc.getCommand(ISourceEditorCommandIds.SPECIFIC_CONTENT_ASSIST_COMMAND_ID);
	}

	private void prepareKeybindingInfo() {
	if (this.specificCommand == null) {
	return;
	}
	if (gLocalBindingManager == null) {
	gLocalBindingManager= new BindingManager(new ContextManager(), new CommandManager());
	final IBindingService bindingService= PlatformUI.getWorkbench().getService(IBindingService.class);
	gLocalBindingManager.setLocale(bindingService.getLocale());
	gLocalBindingManager.setPlatform(bindingService.getPlatform());

	final Scheme[] definedSchemes= bindingService.getDefinedSchemes();
	if (definedSchemes != null) {
	try {
	for (int i= 0; i < definedSchemes.length; i++) {
	final Scheme scheme= definedSchemes[i];
	final Scheme copy= gLocalBindingManager.getScheme(scheme.getId());
	copy.define(scheme.getName(), scheme.getDescription(), scheme.getParentId());
	}
	}
	catch (final NotDefinedException e) {
	}
	}
	}
	try {
	this.specificParam= this.specificCommand.getParameters()[0];
	}
	catch (final Exception x) {
	this.specificCommand= null;
	this.specificParam= null;
	}
	}

	private String getDefaultKeybindingAsString() {
	final ICommandService commandSvc= PlatformUI.getWorkbench().getAdapter(ICommandService.class);
	final Command command= commandSvc.getCommand(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
	final ParameterizedCommand pCmd= new ParameterizedCommand(command, null);
	final String key= getKeybindingAsString(pCmd);
	return key;
	}
	private String getSpecificKeybindingAsString(final ContentAssistCategory category) {
	if (gLocalBindingManager == null \|\| category == null) {
	return null;
	}
	final Parameterization[] params= { new Parameterization(this.specificParam, category.getId()) };
	final ParameterizedCommand pCmd= new ParameterizedCommand(this.specificCommand, params);
	return getKeybindingAsString(pCmd);
	}

	private String getKeybindingAsString(final ParameterizedCommand command) {
	if (gLocalBindingManager == null) {
	return null;
	}
	final IBindingService bindingService= PlatformUI.getWorkbench().getService(IBindingService.class);
	try {
	gLocalBindingManager.setBindings(bindingService.getBindings());
	final Scheme activeScheme= bindingService.getActiveScheme();
	if (activeScheme != null) {
	gLocalBindingManager.setActiveScheme(activeScheme);
	}

	final TriggerSequence[] binding= gLocalBindingManager.getActiveBindingsDisregardingContextFor(command);
	if (binding.length > 0) {
	return binding[0].format();
	}
	return null;
	}
	catch (final NotDefinedException e) {
	return null;
	}
	}

	@Override
	protected void createBlockArea(final Composite pageComposite) {
	final Map<Preference<?>, String> prefs= new HashMap<>();

	prefs.put(this.registry.getPrefDefaultDisabledCategoryIds(), this.registry.getSettingsGroupId());
	prefs.put(this.registry.getPrefCirclingOrderedCategoryIds(), this.registry.getSettingsGroupId());

	setupPreferenceManager(prefs);

	prepareKeybindingInfo();

	final Composite composite= new Composite(pageComposite, SWT.NONE);
	composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	composite.setLayout(LayoutUtils.newCompositeGrid(1));
	// final Composite composite= pageComposite;

	final Link control= addLinkControl(composite,
	EditingMessages.ContentAssistAdvancedConfig_message_KeyBindingHint);
	control.setLayoutData(applyWrapWidth(new GridData(SWT.FILL, SWT.FILL, true, false)));

	{ final Label defaultKeyBindingLabel= new Label(composite, SWT.NONE);
	final String defaultKeyBinding= getDefaultKeybindingAsString();
	defaultKeyBindingLabel.setText((defaultKeyBinding != null) ?
	NLS.bind(EditingMessages.ContentAssistAdvancedConfig_message_DefaultKeyBinding, defaultKeyBinding) :
	EditingMessages.ContentAssistAdvancedConfig_message_NoDefaultKeyBinding );
	defaultKeyBindingLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
	}
	{ // Default
	final Group group= new Group(composite, SWT.NONE);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	group.setLayout(LayoutUtils.newGroupGrid(1));
	group.setText(EditingMessages.ContentAssistAdvancedConfig_Default_label);

	final Label label= new Label(group, SWT.NONE);
	label.setText(EditingMessages.ContentAssistAdvancedConfig_DefaultTable_label);
	label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

	final Composite table= createDefaultTable(group);
	table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	}

	{ // Cicling
	final Group group= new Group(composite, SWT.NONE);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	group.setLayout(LayoutUtils.newGroupGrid(2));
	group.setText(EditingMessages.ContentAssistAdvancedConfig_Cicling_label);

	final Label label= new Label(group, SWT.WRAP);
	label.setText(EditingMessages.ContentAssistAdvancedConfig_CiclingTable_label);
	label.setLayoutData(applyWrapWidth(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)));

	final Composite table= createCirclingTable(group);
	table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	this.circlingOrderButtons= new ButtonGroup<>(group);
	this.circlingOrderButtons.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true));
	this.circlingOrderButtons.addUpButton(null);
	this.circlingOrderButtons.addDownButton(null);
	}

	this.orderedCategories= new WritableList<>();
	this.circlingList.setInput(this.orderedCategories);
	this.circlingOrderButtons.connectTo(this.circlingList, this.orderedCategories, null);
	ViewerUtils.scheduleStandardSelection(this.circlingList);

	ViewerUtils.scheduleStandardSelection(this.defaultList);

	updateControls();
	}

	protected Composite createDefaultTable(final Composite parent) {
	final CheckboxTableComposite composite= new ViewerUtils.CheckboxTableComposite(parent, SWT.BORDER \| SWT.SINGLE \| SWT.FULL_SELECTION);
	this.defaultList= composite.viewer;
	composite.table.setHeaderVisible(true);
	composite.table.setLinesVisible(true);
	composite.viewer.setContentProvider(new ArrayContentProvider());

	{ final TableViewerColumn column= new TableViewerColumn(composite.viewer, SWT.NONE);
	composite.layout.setColumnData(column.getColumn(), new ColumnWeightData(3));
	column.getColumn().setText(EditingMessages.ContentAssistAdvancedConfig_ProposalKinds_label);
	column.setLabelProvider(new CategoryKindLabelProvider());
	}

	{ final TableViewerColumn column= new TableViewerColumn(composite.viewer, SWT.NONE);
	composite.layout.setColumnData(column.getColumn(), new ColumnWeightData(1));
	column.getColumn().setText(EditingMessages.ContentAssistAdvancedConfig_KeyBinding_label);
	column.setLabelProvider(new CellLabelProvider() {
	@Override
	public void update(final ViewerCell cell) {
	final ContentAssistCategory category= (ContentAssistCategory) cell.getElement();
	final String keybindingAsString= getSpecificKeybindingAsString(category);
	cell.setText((keybindingAsString != null) ? keybindingAsString : ""); //$NON-NLS-1$
	}
	});
	}

	return composite;
	}

	protected Composite createCirclingTable(final Composite parent) {
	final CheckboxTableComposite composite= new ViewerUtils.CheckboxTableComposite(parent, SWT.BORDER \| SWT.SINGLE \| SWT.FULL_SELECTION);
	this.circlingList= composite.viewer;
	composite.table.setHeaderVisible(true);
	composite.table.setLinesVisible(true);
	composite.viewer.setContentProvider(new ArrayContentProvider());

	{ final TableViewerColumn column= new TableViewerColumn(composite.viewer, SWT.NONE);
	composite.layout.setColumnData(column.getColumn(), new ColumnWeightData(1));
	column.getColumn().setText(EditingMessages.ContentAssistAdvancedConfig_ProposalKinds_label);
	column.setLabelProvider(new CategoryKindLabelProvider());
	}
	return composite;
	}

	private Image getImage(final ImageDescriptor imgDesc) {
	if (imgDesc == null) {
	return null;
	}
	Image img= this.images.get(imgDesc);
	if (img == null) {
	img= imgDesc.createImage(false);
	this.images.put(imgDesc, img);
	}
	return img;
	}

	@Override
	public void dispose() {
	super.dispose();

	for (final Image img : this.images.values()) {
	img.dispose();
	}
	this.images.clear();
	}


	@Override
	protected void updateControls() {
	final List<ContentAssistCategory> orderedCategories= this.registry.applyPreferences(this, this.registry.getCopyOfCategories());

	final List<ContentAssistCategory> defaultCategories= new ArrayList<>(orderedCategories);
	Collections.sort(defaultCategories, new Comparator<ContentAssistCategory>() {
	private final Collator NAMES_COLLARTOR= Collator.getInstance();
	@Override
	public int compare(final ContentAssistCategory o1, final ContentAssistCategory o2) {
	return this.NAMES_COLLARTOR.compare(o1.getDisplayName(), o2.getDisplayName());
	}
	});
	this.defaultList.setInput(defaultCategories);
	for (final ContentAssistCategory category : defaultCategories) {
	this.defaultList.setChecked(category, category.isIncludedInDefault);
	}

	this.orderedCategories.clear();
	this.orderedCategories.addAll(orderedCategories);
	this.circlingList.refresh();
	for (final ContentAssistCategory category : orderedCategories) {
	this.circlingList.setChecked(category, category.isEnabledAsSeparate);
	}
	this.circlingOrderButtons.refresh();
	}

	@Override
	protected void updatePreferences() {
	final List<ContentAssistCategory> orderedCategories= new ArrayList<>(this.orderedCategories);
	for (final ContentAssistCategory category : orderedCategories) {
	category.isIncludedInDefault= this.defaultList.getChecked(category);
	category.isEnabledAsSeparate= this.circlingList.getChecked(category);
	}

	final Map<Preference<?>, Object> preferences= this.registry.createPreferences(orderedCategories);
	setPrefValues(preferences);
	}

	}