/*******************************************************************************
 * Copyright (c) 2005, 2017 IBM Corporation and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 *******************************************************************************/
package org.eclipse.dltk.ui;

import org.eclipse.core.resources.IResourceStatus;
import org.eclipse.dltk.ui.text.completion.ProposalSorterRegistry;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.JFacePreferences;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;
import org.eclipse.ui.texteditor.AbstractTextEditor;

public class PreferenceConstants {

	/**
	 * Preference key suffix for bold text style preference keys.
	 */
	public static final String EDITOR_BOLD_SUFFIX = "_bold"; //$NON-NLS-1$

	/**
	 * Preference key suffix for italic text style preference keys.
	 */
	public static final String EDITOR_ITALIC_SUFFIX = "_italic"; //$NON-NLS-1$

	/**
	 * Preference key suffix for strikethrough text style preference keys.
	 */
	public static final String EDITOR_STRIKETHROUGH_SUFFIX = "_strikethrough"; //$NON-NLS-1$

	/**
	 * Preference key suffix for underline text style preference keys.
	 */
	public static final String EDITOR_UNDERLINE_SUFFIX = "_underline"; //$NON-NLS-1$

	/**
	 * Preference key suffix that controls if semantic highlighting is enabled.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>: <code>true</code> if enabled.
	 * </p>
	 */
	public static final String EDITOR_SEMANTIC_HIGHLIGHTING_ENABLED_SUFFIX = "_enabled"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'close strings' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_CLOSE_STRINGS = "closeStrings"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'escape strings' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_ESCAPE_STRINGS = "escapeStrings"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'close brackets' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_CLOSE_BRACKETS = "closeBrackets"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'close braces' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_CLOSE_BRACES = "closeBraces"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'smart paste' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_SMART_PASTE = "smartPaste"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'smart home-end' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_SMART_HOME_END = AbstractTextEditor.PREFERENCE_NAVIGATION_SMART_HOME_END;

	/**
	 * A named preference that controls if temporary problems are evaluated and
	 * shown in the UI.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String EDITOR_EVALUTE_TEMPORARY_PROBLEMS = "handleTemporaryProblems"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the 'sub-word navigation' feature is
	 * enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_SUB_WORD_NAVIGATION = "subWordNavigation"; //$NON-NLS-1$

	/**
	 * A named preference that controls the smart tab behavior.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 *
	 *
	 */
	public static final String EDITOR_SMART_TAB = "smart_tab"; //$NON-NLS-1$

	/**
	 * A named preference that holds the number of spaces used per tab in the
	 * editor.
	 * <p>
	 * Value is of type <code>Integer</code>: positive integer value specifying the
	 * number of spaces per tab.
	 * </p>
	 *
	 * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants#EDITOR_TAB_WIDTH
	 */
	public final static String EDITOR_TAB_WIDTH = AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH;

	public final static String EDITOR_TAB_ALWAYS_INDENT = "tab_always_indent"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the outline view selection should
	 * stay in sync with with the element at the current cursor position.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE = "syncOutlineOnCursorMove"; //$NON-NLS-1$

	/**
	 * A named preference that controls if correction indicators are shown in the
	 * UI.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String EDITOR_CORRECTION_INDICATION = "ScriptEditor.ShowTemporaryProblem"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether new projects are generated using
	 * source and output folder.
	 * <p>
	 * Value is of type <code>Boolean</code>. if <code>true</code> new projects are
	 * created with a source and output folder. If <code>false</code> source and
	 * output folder equals to the project.
	 * </p>
	 */
	public static final String SRCBIN_FOLDERS_IN_NEWPROJ = "org.eclipse.dltk.ui.wizards.srcBinFoldersInNewProjects"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether the hierarchy view's selection is
	 * linked to the active editor.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String LINK_TYPEHIERARCHY_TO_EDITOR = "org.eclipse.dltk.ui.packages.linktypehierarchytoeditor"; //$NON-NLS-1$

	/**
	 * A named preference that specifies the source folder name used when creating a
	 * new script project. Value is inactive if
	 * <code>SRCBIN_FOLDERS_IN_NEWPROJ</code> is set to <code>false</code>.
	 * <p>
	 * Value is of type <code>String</code>.
	 * </p>
	 *
	 * @see #SRCBIN_FOLDERS_IN_NEWPROJ
	 */
	public static final String SRC_SRCNAME = "org.eclipse.dltk.ui.wizards.srcFoldersSrcName"; //$NON-NLS-1$

	public final static String EDITOR_SMART_INDENT = "editorSmartIndent"; //$NON-NLS-1$

	public static final String APPEARANCE_FOLD_PACKAGES_IN_PACKAGE_EXPLORER = "org.eclipse.dltk.ui.flatPackagesInPackageExplorer";//$NON-NLS-1$

	public static final String SHOW_SOURCE_MODULE_CHILDREN = "org.eclipse.dltk.ui.packages.cuchildren"; //$NON-NLS-1$

	public static final String APPEARANCE_METHOD_RETURNTYPE = "org.eclipse.dltk.ui.methodreturntype";//$NON-NLS-1$

	/**
	 * A named preference that controls if method parameter names are rendered in
	 * the UI.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String APPEARANCE_METHOD_PARAMETER_NAMES = "org.eclipse.dltk.ui.methodParameterNames";//$NON-NLS-1$

	/**
	 * A named preference that controls if method parameter types are rendered in
	 * the UI.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String APPEARANCE_METHOD_PARAMETER_TYPES = "org.eclipse.dltk.ui.methodParameterTypes";//$NON-NLS-1$

	public static final String APPEARANCE_METHOD_TYPEPARAMETERS = "org.eclipse.dltk.ui.methodtypeparametesr";//$NON-NLS-1$
	public static final String APPEARANCE_COMPRESS_PACKAGE_NAMES = "org.eclipse.dltk.ui.compresspackagenames";//$NON-NLS-1$
	public static final String APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW = "org.eclipse.dltk.ui.PackagesView.pkgNamePatternForPackagesView";//$NON-NLS-1$
	public static final String LINK_PACKAGES_TO_EDITOR = "org.eclipse.dltk.ui.packages.linktoeditor"; //$NON-NLS-1$

	/**
	 * A named preference that controls if segmented view (show selected element
	 * only) is turned on or off.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_SHOW_SEGMENTS = "org.eclipse.dltk.ui.editor.showSegments"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether folding is enabled in the Script
	 * editor.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_ENABLED = "editor_folding_enabled"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether comment folding is enabled in the
	 * script editor.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_COMMENTS_FOLDING_ENABLED = "editor_comments_folding_enabled"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether doc folding is enabled in the script
	 * editor.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_DOCS_FOLDING_ENABLED = "editor_docs_folding_enabled"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether comments are initially folded when
	 * the editor is opened.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_INIT_COMMENTS = "editor_folding_init_comments"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether docs are initially folded when the
	 * editor is opened.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_INIT_DOCS = "editor_folding_init_docs"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether header comments are initially folded
	 * when the editor is opened.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_INIT_HEADER_COMMENTS = "editor_folding_init_header_comments"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether classes (packages, modules, etc) are
	 * initially folded when the editor is opened.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_INIT_CLASSES = "editor_folding_init_classes"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether methods are initially folded when
	 * the editor is opened.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_INIT_METHODS = "editor_folding_init_methods"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether comments separated by newlines are
	 * joined together to form a single comment folding block.
	 *
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_COMMENT_FOLDING_JOIN_NEWLINES = "editor_comments_folding_join_newlines";

	/**
	 * A named preference that controls minimal number of lines in block to be
	 * folded.
	 * <p>
	 * Value is of type <code>Integer</code>.
	 * </p>
	 */
	public static final String EDITOR_FOLDING_LINES_LIMIT = "editor_folding_lines_limit"; //$NON-NLS-1$

	/**
	 * A named preference that stores the content assist LRU history
	 * <p>
	 * Value is an XML encoded version of the history.
	 * </p>
	 *
	 */
	public static final String CODEASSIST_LRU_HISTORY = "content_assist_lru_history"; //$NON-NLS-1$

	/**
	 * A named preference that defines whether the hint to make hover sticky should
	 * be shown.
	 *
	 * @see JavaUI
	 * @deprecated there is global preference now
	 * @see AbstractDecoratedTextEditorPreferenceConstants#EDITOR_SHOW_TEXT_HOVER_AFFORDANCE
	 */
	@Deprecated
	public static final String EDITOR_SHOW_TEXT_HOVER_AFFORDANCE = "PreferenceConstants.EDITOR_SHOW_TEXT_HOVER_AFFORDANCE"; //$NON-NLS-1$

	/**
	 * A named preference that defines the key for the hover modifiers.
	 *
	 * @see JavaUI
	 *
	 */
	public static final String EDITOR_TEXT_HOVER_MODIFIERS = "hoverModifiers"; //$NON-NLS-1$

	/**
	 * A named preference that defines the key for the hover modifier state masks.
	 * The value is only used if the value of
	 * <code>EDITOR_TEXT_HOVER_MODIFIERS</code> cannot be resolved to valid SWT
	 * modifier bits.
	 *
	 * @see JavaUI
	 * @see #EDITOR_TEXT_HOVER_MODIFIERS
	 *
	 */
	public static final String EDITOR_TEXT_HOVER_MODIFIER_MASKS = "hoverModifierMasks"; //$NON-NLS-1$

	/**
	 * The id of the best match hover contributed for extension point
	 * <code>javaEditorTextHovers</code>.
	 *
	 *
	 */
	public static final String ID_BESTMATCH_HOVER = "org.eclipse.dltk.ui.BestMatchHover"; //$NON-NLS-1$

	/**
	 * A named preference that stores the content assist sorter id.
	 * <p>
	 * Value is a {@link String}.
	 * </p>
	 *
	 * @see ProposalSorterRegistry
	 *
	 */
	public static final String CODEASSIST_SORTER = "content_assist_sorter"; //$NON-NLS-1$

	/**
	 * @see IResourceStatus#INVALID_RESOURCE_NAME
	 */
	public static final String RESOURCE_SHOW_ERROR_INVALID_RESOURCE_NAME = "resourceShowError_InvalidResourceName"; //$NON-NLS-1$

	public static void initializeDefaultValues(IPreferenceStore store) {
		initializeDefaultValues(store, false);
	}

	/**
	 * @param store
	 * @param isDLTKUI should be <code>true</code> for the DLTKUI preferences and
	 *                 <code>false</code> for the language specific preferences
	 * @noreference This method is not intended to be referenced by clients.
	 */
	public static void initializeDefaultValues(IPreferenceStore store, boolean isDLTKUI) {
		store.setDefault(PreferenceConstants.SHOW_SOURCE_MODULE_CHILDREN, true);
		store.setDefault(PreferenceConstants.REFACTOR_SAVE_ALL_EDITORS, false);

		store.setDefault(PreferenceConstants.CODEASSIST_AUTOACTIVATION, true);
		store.setDefault(PreferenceConstants.CODEASSIST_AUTOACTIVATION_DELAY, 200);

		store.setDefault(PreferenceConstants.CODEASSIST_AUTOINSERT, true);

		RGB bgRGB = null;
		RGB fgRGB = null;

		// Don't fail in headless mode
		if (PlatformUI.isWorkbenchRunning()) {
			bgRGB = JFaceResources.getColorRegistry().getRGB(JFacePreferences.CONTENT_ASSIST_BACKGROUND_COLOR);
			fgRGB = JFaceResources.getColorRegistry().getRGB(JFacePreferences.CONTENT_ASSIST_FOREGROUND_COLOR);
		}

		// Workaround for https://bugs.eclipse.org/306736
		if (bgRGB == null)
			bgRGB = new RGB(255, 255, 255);
		if (fgRGB == null)
			fgRGB = new RGB(0, 0, 0);

		PreferenceConverter.setDefault(store, PreferenceConstants.CODEASSIST_PROPOSALS_BACKGROUND, bgRGB);
		PreferenceConverter.setDefault(store, PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND, fgRGB);

		PreferenceConverter.setDefault(store, PreferenceConstants.CODEASSIST_PARAMETERS_BACKGROUND,
				new RGB(255, 255, 255));
		PreferenceConverter.setDefault(store, PreferenceConstants.CODEASSIST_PARAMETERS_FOREGROUND, new RGB(0, 0, 0));
		PreferenceConverter.setDefault(store, PreferenceConstants.CODEASSIST_REPLACEMENT_BACKGROUND,
				new RGB(255, 255, 0));
		PreferenceConverter.setDefault(store, PreferenceConstants.CODEASSIST_REPLACEMENT_FOREGROUND,
				new RGB(255, 0, 0));
		store.setDefault(PreferenceConstants.CODEASSIST_SHOW_VISIBLE_PROPOSALS, true);

		store.setDefault(PreferenceConstants.CODEASSIST_TIMEOUT, 5000); // 5
																		// seconds
																		// timeout
																		// for
																		// compution
																		// of
																		// completion
																		// proposals
		store.setDefault(PreferenceConstants.CODEASSIST_CASE_SENSITIVITY, false);
		store.setDefault(PreferenceConstants.CODEASSIST_ADDIMPORT, true);
		store.setDefault(PreferenceConstants.CODEASSIST_INSERT_COMPLETION, true);
		store.setDefault(PreferenceConstants.CODEASSIST_FILL_ARGUMENT_NAMES, true);
		store.setDefault(PreferenceConstants.CODEASSIST_GUESS_METHOD_ARGUMENTS, false);
		store.setDefault(PreferenceConstants.CODEASSIST_PREFIX_COMPLETION, false);
		store.setDefault(PreferenceConstants.CODEASSIST_CATEGORY_ORDER,
				"org.eclipse.dltk.javascript.ui.javascriptDocProposalCategory:65546\0org.eclipse.dltk.ui.spellingProposalCategory:65545\0org.eclipse.dltk.ui.scriptTypeProposalCategory:65540\0org.eclipse.dltk.ui.scriptNoTypeProposalCategory:65539\0org.eclipse.dltk.ui.textProposalCategory:65541\0org.eclipse.dltk.ui.templateProposalCategory:2\0"); //$NON-NLS-1$
		store.setDefault(PreferenceConstants.CODEASSIST_LRU_HISTORY, ""); //$NON-NLS-1$
		store.setDefault(PreferenceConstants.CODEASSIST_SORTER, "org.eclipse.dltk.ui.RelevanceSorter"); //$NON-NLS-1$

		store.setDefault(PreferenceConstants.DOUBLE_CLICK, DOUBLE_CLICK_EXPANDS);

		final int sourceHoverModifier = SWT.MOD2;
		final String sourceHoverModifierName = Action.findModifierString(sourceHoverModifier); // Shift
		store.setDefault(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS,
				"org.eclipse.dltk.ui.BestMatchHover;0;org.eclipse.dltk.ui.ScriptSourceHover;" //$NON-NLS-1$
						+ sourceHoverModifierName);
		store.setDefault(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIER_MASKS,
				"org.eclipse.dltk.ui.BestMatchHover;0;org.eclipse.dltk.ui.ScriptSourceHover;" + sourceHoverModifier); //$NON-NLS-1$

		store.setDefault(PreferenceConstants.EDITOR_MATCHING_BRACKETS, true);
		store.setDefault(PreferenceConstants.EDITOR_TAB_ALWAYS_INDENT, false);
		PreferenceConverter.setDefault(store, PreferenceConstants.EDITOR_MATCHING_BRACKETS_COLOR,
				new RGB(192, 192, 192));
		if (isDLTKUI) {
			store.setDefault(PreferenceConstants.EDITOR_EVALUTE_TEMPORARY_PROBLEMS, true);
			store.setDefault(RESOURCE_SHOW_ERROR_INVALID_RESOURCE_NAME, false);
		}
		store.setDefault(PreferenceConstants.EDITOR_CORRECTION_INDICATION, true);

		initializeEditorHoverBackgroundColor(store);

		store.setValue(PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT, true);

		// Fix bug 252155 - contributed by Eden Klein
		store.setDefault(PreferenceConstants.APPEARANCE_MEMBER_SORT_ORDER, "F,T,C,M"); //$NON-NLS-1$
		store.setDefault(APPEARANCE_METHOD_PARAMETER_NAMES, true);

		// mark occurrences
		store.setDefault(PreferenceConstants.EDITOR_MARK_OCCURRENCES, true);
		store.setDefault(PreferenceConstants.EDITOR_STICKY_OCCURRENCES, true);
		if (!isDLTKUI) {
			store.setDefault(PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE, true);
		}
	}

	private static void initializeEditorHoverBackgroundColor(IPreferenceStore store) {
		final Display display;
		try {
			display = PlatformUI.getWorkbench().getDisplay();
		} catch (IllegalStateException e) {
			// no workbench
			PreferenceConverter.setValue(store, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR,
					new RGB(237, 233, 227));
			return;
		}

		Runnable uiTask = () -> {
			final RGB rgb = display.getSystemColor(SWT.COLOR_INFO_BACKGROUND).getRGB();
			PreferenceConverter.setValue(store, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR, rgb);
		};

		if (Display.getCurrent() != null) {
			// In UI thread call the code directly
			uiTask.run();
		} else {
			// Note: do not try to use syncExec(), this can lead to deadlocks on startup.
			display.asyncExec(uiTask);
		}
	}

	/**
	 * A named preference that controls whether all dirty editors are automatically
	 * saved before a refactoring is executed.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String REFACTOR_SAVE_ALL_EDITORS = "Refactoring.savealleditors"; //$NON-NLS-1$

	/**
	 * A named preference that defines how member elements are ordered by the Script
	 * views using the <code>ScriptElementSorter</code>.
	 * <p>
	 * Value is of type <code>String</code>: A comma separated list of the following
	 * entries. Each entry must be in the list, no duplication. List order defines
	 * the sort order.
	 * <ul>
	 * <li><b>T</b>: Types</li>
	 * <li><b>C</b>: Constructors</li>
	 * <li><b>M</b>: Methods</li>
	 * <li><b>F</b>: Fields</li>
	 * </ul>
	 * </p>
	 *
	 */
	public static final String APPEARANCE_MEMBER_SORT_ORDER = "outlinesortoption"; //$NON-NLS-1$

	// Code Assist parameters
	/**
	 * A named preference that controls if the Script code assist gets auto
	 * activated.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String CODEASSIST_AUTOACTIVATION = "content_assist_autoactivation"; //$NON-NLS-1$

	/**
	 * A name preference that holds the auto activation delay time in milliseconds.
	 * <p>
	 * Value is of type <code>Integer</code>.
	 * </p>
	 */
	public final static String CODEASSIST_AUTOACTIVATION_DELAY = "content_assist_autoactivation_delay"; //$NON-NLS-1$

	/**
	 * A named preference that controls if code assist contains only visible
	 * proposals.
	 * <p>
	 * Value is of type <code>Boolean</code>. if
	 * <code>true<code> code assist only contains visible members. If
	 * <code>false</code> all members are included.
	 * </p>
	 */
	public final static String CODEASSIST_SHOW_VISIBLE_PROPOSALS = "content_assist_show_visible_proposals"; //$NON-NLS-1$

	/**
	 * A named preference that controls if the Script code assist inserts a proposal
	 * automatically if only one proposal is available.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String CODEASSIST_AUTOINSERT = "content_assist_autoinsert"; //$NON-NLS-1$

	/**
	 * @since 2.0
	 */
	public final static String CODEASSIST_TIMEOUT = "content_assist_timeout"; //$NON-NLS-1$

	/**
	 * A named preference that controls if the Script code assist adds import
	 * statements.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String CODEASSIST_ADDIMPORT = "content_assist_add_import"; //$NON-NLS-1$

	/**
	 * A named preference that controls if the Script code assist only inserts
	 * completions. If set to false the proposals can also _replace_ code.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String CODEASSIST_INSERT_COMPLETION = "content_assist_insert_completion"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether code assist proposals filtering is
	 * case sensitive or not.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String CODEASSIST_CASE_SENSITIVITY = "content_assist_case_sensitivity"; //$NON-NLS-1$

	/**
	 * A named preference that controls if argument names are filled in when a
	 * method is selected from as list of code assist proposal.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String CODEASSIST_FILL_ARGUMENT_NAMES = "content_assist_fill_method_arguments"; //$NON-NLS-1$

	/**
	 * A named preference that controls if method arguments are guessed when a
	 * method is selected from as list of code assist proposal.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 */
	public final static String CODEASSIST_GUESS_METHOD_ARGUMENTS = "content_assist_guess_method_arguments"; //$NON-NLS-1$

	public final static String CODEASSIST_AUTOACTIVATION_TRIGGERS = "content_assist_autoactivation_triggers_script"; //$NON-NLS-1$

	/**
	 * A named preference that holds the background color used in the code assist
	 * selection dialog.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 *
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 * @deprecated As of 5.10, replaced by {@link JFacePreferences#CONTENT_ASSIST_BACKGROUND_COLOR},
	 */
	@Deprecated
	public final static String CODEASSIST_PROPOSALS_BACKGROUND = "content_assist_proposals_background"; //$NON-NLS-1$

	/**
	 * A named preference that holds the foreground color used in the code assist
	 * selection dialog.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 *
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 * @deprecated As of 3.4, replaced by {@link JFacePreferences#CONTENT_ASSIST_FOREGROUND_COLOR}
	 */
	@Deprecated
	public final static String CODEASSIST_PROPOSALS_FOREGROUND = "content_assist_proposals_foreground"; //$NON-NLS-1$

	/**
	 * A named preference that holds the background color used for parameter hints.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 *
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 */
	public final static String CODEASSIST_PARAMETERS_BACKGROUND = "content_assist_parameters_background"; //$NON-NLS-1$

	/**
	 * A named preference that holds the foreground color used in the code assist
	 * selection dialog.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 *
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 */
	public final static String CODEASSIST_PARAMETERS_FOREGROUND = "content_assist_parameters_foreground"; //$NON-NLS-1$

	/**
	 * A named preference that holds the background color used in the code assist
	 * selection dialog to mark replaced code.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 *
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 *
	 */
	public final static String CODEASSIST_REPLACEMENT_BACKGROUND = "content_assist_completion_replacement_background"; //$NON-NLS-1$

	/**
	 * A named preference that holds the foreground color used in the code assist
	 * selection dialog to mark replaced code.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 *
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 *
	 */
	public final static String CODEASSIST_REPLACEMENT_FOREGROUND = "content_assist_completion_replacement_foreground"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether annotation roll over is used or not.
	 * <p>
	 * Value is of type <code>Boolean</code>. If <code>true</code> the annotation
	 * ruler column uses a roll over to display multiple annotations
	 * </p>
	 *
	 */

	/**
	 * A named preference that controls the behavior when double clicking on a
	 * container in the folders view.
	 * <p>
	 * Value is of type <code>String</code>: possible values are <code>
	 * DOUBLE_CLICK_GOES_INTO</code> or <code>
	 * DOUBLE_CLICK_EXPANDS</code>.
	 * </p>
	 *
	 * @see #DOUBLE_CLICK_EXPANDS
	 * @see #DOUBLE_CLICK_GOES_INTO
	 */
	public static final String DOUBLE_CLICK = "scriptExplorerDoubleclick"; //$NON-NLS-1$
	/**
	 * A string value used by the named preference <code>DOUBLE_CLICK</code>.
	 *
	 * @see #DOUBLE_CLICK
	 */
	public static final String DOUBLE_CLICK_EXPANDS = "scriptExplorerDoubleclickExpands"; //$NON-NLS-1$

	/**
	 * A string value used by the named preference <code>DOUBLE_CLICK</code>.
	 *
	 * @see #DOUBLE_CLICK
	 */
	public static final String DOUBLE_CLICK_GOES_INTO = "scriptExplorerDoubleclickGointo"; //$NON-NLS-1$

	public static final String EDITOR_ANNOTATION_ROLL_OVER = "editor_annotation_roll_over"; //$NON-NLS-1$

	/**
	 * A named preference that controls if content assist inserts the common prefix
	 * of all proposals before presenting choices.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 *
	 */
	public final static String CODEASSIST_PREFIX_COMPLETION = "content_assist_prefix_completion"; //$NON-NLS-1$

	/**
	 * A named preference that controls which completion proposal categories have
	 * been excluded from the default proposal list.
	 * <p>
	 * Value is of type <code>String</code>, a "\0"-separated list of identifiers.
	 * </p>
	 *
	 *
	 */
	public static final String CODEASSIST_EXCLUDED_CATEGORIES = "content_assist_disabled_computers"; //$NON-NLS-1$

	/**
	 * A named preference that controls which the order of the specific code assist
	 * commands.
	 * <p>
	 * Value is of type <code>String</code>, a "\0"-separated list of identifiers.
	 * </p>
	 *
	 *
	 */
	public static final String CODEASSIST_CATEGORY_ORDER = "content_assist_category_order"; //$NON-NLS-1$

	public static final String SEARCH_USE_REDUCED_MENU = "Search.usereducemenu"; //$NON-NLS-1$

	public static final String EDITOR_MATCHING_BRACKETS = "editor.matching_brackets"; //$NON-NLS-1$

	public static final String EDITOR_MATCHING_BRACKETS_COLOR = "editor.matching_brackets_color"; //$NON-NLS-1$

	/**
	 * @since 2.0
	 */
	public static final String EDITOR_QUICKASSIST_LIGHTBULB = "editor.quickassist_lightbulb"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether occurrences are marked in the
	 * editor.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 * @since 3.0
	 */
	public static final String EDITOR_MARK_OCCURRENCES = "markOccurrences"; //$NON-NLS-1$

	/**
	 * A named preference that controls whether occurrences are sticky in the
	 * editor.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 *
	 * @since 3.0
	 */
	public static final String EDITOR_STICKY_OCCURRENCES = "stickyOccurrences"; //$NON-NLS-1$

	// Notification messages
	public static final String NOTIFICATION_NOT_ON_BUILDPATH_MESSAGE = DLTKUIPlugin.PLUGIN_ID
			+ ".notification.not_on_buildpath"; //$NON-NLS-1$

	/**
	 * A named preference that holds a list of semicolon separated fully qualified
	 * type names with wild card characters.
	 */
	public static final String TYPEFILTER_ENABLED = "org.eclipse.dltk.ui.typefilter.enabled"; //$NON-NLS-1$
	public static final String METHODFILTER_ENABLED = "org.eclipse.dltk.ui.methodfilter.enabled"; //$NON-NLS-1$

	public static final String LINK_BROWSING_MEMBERS_TO_EDITOR = "org.eclipse.dltk.ui.browsing.member.to.editor"; //$NON-NLS-1$
	public static final String LINK_BROWSING_PROJECTS_TO_EDITOR = "org.eclipse.dltk.ui.browsing.projects.to.editor"; //$NON-NLS-1$
	public static final String LINK_BROWSING_PACKAGES_TO_EDITOR = "org.eclipse.dltk.ui.browsing.packages.to.editor"; //$NON-NLS-1$
	public static final String LINK_BROWSING_TYPES_TO_EDITOR = "org.eclipse.dltk.ui.browsing.types.to.editor"; //$NON-NLS-1$

	public final static String EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT = "sourceHoverBackgroundColor.SystemDefault"; //$NON-NLS-1$
	public final static String EDITOR_SOURCE_HOVER_BACKGROUND_COLOR = "sourceHoverBackgroundColor"; //$NON-NLS-1$

	public static final String APPEARANCE_DOCUMENTATION_FONT = "org.eclipse.dltk.ui.documentationFont"; //$NON-NLS-1$
}