/*******************************************************************************
* Copyright (c) 2000, 2007 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
*
*******************************************************************************/
package org.eclipse.dltk.ui.text.completion;
import org.eclipse.dltk.ui.PreferenceConstants;
import org.eclipse.dltk.ui.text.IColorManager;
import org.eclipse.dltk.ui.text.ScriptTextTools;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
public abstract class ContentAssistPreference {
/** Preference key for content assist auto activation */
private final static String AUTOACTIVATION= PreferenceConstants.CODEASSIST_AUTOACTIVATION;
/** Preference key for content assist auto activation delay */
private final static String AUTOACTIVATION_DELAY= PreferenceConstants.CODEASSIST_AUTOACTIVATION_DELAY;
/** Preference key for content assist proposal color */
private final static String PROPOSALS_FOREGROUND= PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND;
/** Preference key for content assist proposal color */
private final static String PROPOSALS_BACKGROUND= PreferenceConstants.CODEASSIST_PROPOSALS_BACKGROUND;
/** Preference key for content assist parameters color */
private final static String PARAMETERS_FOREGROUND= PreferenceConstants.CODEASSIST_PARAMETERS_FOREGROUND;
/** Preference key for content assist parameters color */
private final static String PARAMETERS_BACKGROUND= PreferenceConstants.CODEASSIST_PARAMETERS_BACKGROUND;
/** Preference key for content assist auto insert */
private final static String AUTOINSERT= PreferenceConstants.CODEASSIST_AUTOINSERT;
/** Preference key for script content assist auto activation triggers */
private final static String AUTOACTIVATION_TRIGGERS= PreferenceConstants.CODEASSIST_AUTOACTIVATION_TRIGGERS;
/** Preference key for visibility of proposals */
private final static String SHOW_VISIBLE_PROPOSALS= PreferenceConstants.CODEASSIST_SHOW_VISIBLE_PROPOSALS;
/** Preference key for case sensitivity of proposals */
private final static String CASE_SENSITIVITY= PreferenceConstants.CODEASSIST_CASE_SENSITIVITY;
/** Preference key for adding imports on code assist */
/** Preference key for filling argument names on method completion */
private static final String FILL_METHOD_ARGUMENTS= PreferenceConstants.CODEASSIST_FILL_ARGUMENT_NAMES;
/** Preference key for prefix completion. */
private static final String PREFIX_COMPLETION= PreferenceConstants.CODEASSIST_PREFIX_COMPLETION;
private static Color getColor(IPreferenceStore store, String key, IColorManager manager) {
RGB rgb= PreferenceConverter.getColor(store, key);
return manager.getColor(rgb);
}
protected abstract ScriptTextTools getTextTools();
private Color getColor(IPreferenceStore store, String key) {
ScriptTextTools textTools= getTextTools();
return getColor(store, key, textTools.getColorManager());
}
private ScriptCompletionProcessor getScriptProcessor(ContentAssistant assistant) {
IContentAssistProcessor p= assistant.getContentAssistProcessor(IDocument.DEFAULT_CONTENT_TYPE);
if (p instanceof ScriptCompletionProcessor)
return (ScriptCompletionProcessor) p;
return null;
}
private void configureScriptProcessor(ContentAssistant assistant, IPreferenceStore store) {
ScriptCompletionProcessor jcp= getScriptProcessor(assistant);
if (jcp == null)
return;
String triggers= store.getString(AUTOACTIVATION_TRIGGERS);
if (triggers != null)
jcp.setCompletionProposalAutoActivationCharacters(triggers.toCharArray());
boolean enabled= store.getBoolean(SHOW_VISIBLE_PROPOSALS);
jcp.restrictProposalsToVisibility(enabled);
enabled= store.getBoolean(CASE_SENSITIVITY);
jcp.restrictProposalsToMatchingCases(enabled);
}
/**
* Configure the given content assistant from the given store.
*/
public void configure(ContentAssistant assistant, IPreferenceStore store) {
ScriptTextTools textTools= getTextTools();
IColorManager manager= textTools.getColorManager();
boolean enabled= store.getBoolean(AUTOACTIVATION);
assistant.enableAutoActivation(enabled);
int delay= store.getInt(AUTOACTIVATION_DELAY);
assistant.setAutoActivationDelay(delay);
Color c= getColor(store, PROPOSALS_FOREGROUND, manager);
assistant.setProposalSelectorForeground(c);
c= getColor(store, PROPOSALS_BACKGROUND, manager);
assistant.setProposalSelectorBackground(c);
c= getColor(store, PARAMETERS_FOREGROUND, manager);
assistant.setContextInformationPopupForeground(c);
assistant.setContextSelectorForeground(c);
c= getColor(store, PARAMETERS_BACKGROUND, manager);
assistant.setContextInformationPopupBackground(c);
assistant.setContextSelectorBackground(c);
enabled= store.getBoolean(AUTOINSERT);
assistant.enableAutoInsert(enabled);
enabled= store.getBoolean(PREFIX_COMPLETION);
assistant.enablePrefixCompletion(enabled);
configureScriptProcessor(assistant, store);
}
private void changeScriptProcessor(ContentAssistant assistant, IPreferenceStore store, String key) {
ScriptCompletionProcessor jcp= getScriptProcessor(assistant);
if (jcp == null)
return;
if (AUTOACTIVATION_TRIGGERS.equals(key)) {
String triggers= store.getString(AUTOACTIVATION_TRIGGERS);
if (triggers != null)
jcp.setCompletionProposalAutoActivationCharacters(triggers.toCharArray());
} else if (SHOW_VISIBLE_PROPOSALS.equals(key)) {
boolean enabled= store.getBoolean(SHOW_VISIBLE_PROPOSALS);
jcp.restrictProposalsToVisibility(enabled);
} else if (CASE_SENSITIVITY.equals(key)) {
boolean enabled= store.getBoolean(CASE_SENSITIVITY);
jcp.restrictProposalsToMatchingCases(enabled);
}
}
/**
* Changes the configuration of the given content assistant according to the given property
* change event and the given preference store.
*/
public void changeConfiguration(ContentAssistant assistant, IPreferenceStore store, PropertyChangeEvent event) {
String p= event.getProperty();
if (AUTOACTIVATION.equals(p)) {
boolean enabled= store.getBoolean(AUTOACTIVATION);
assistant.enableAutoActivation(enabled);
} else if (AUTOACTIVATION_DELAY.equals(p)) {
int delay= store.getInt(AUTOACTIVATION_DELAY);
assistant.setAutoActivationDelay(delay);
} else if (PROPOSALS_FOREGROUND.equals(p)) {
Color c= getColor(store, PROPOSALS_FOREGROUND);
assistant.setProposalSelectorForeground(c);
} else if (PROPOSALS_BACKGROUND.equals(p)) {
Color c= getColor(store, PROPOSALS_BACKGROUND);
assistant.setProposalSelectorBackground(c);
} else if (PARAMETERS_FOREGROUND.equals(p)) {
Color c= getColor(store, PARAMETERS_FOREGROUND);
assistant.setContextInformationPopupForeground(c);
assistant.setContextSelectorForeground(c);
} else if (PARAMETERS_BACKGROUND.equals(p)) {
Color c= getColor(store, PARAMETERS_BACKGROUND);
assistant.setContextInformationPopupBackground(c);
assistant.setContextSelectorBackground(c);
} else if (AUTOINSERT.equals(p)) {
boolean enabled= store.getBoolean(AUTOINSERT);
assistant.enableAutoInsert(enabled);
} else if (PREFIX_COMPLETION.equals(p)) {
boolean enabled= store.getBoolean(PREFIX_COMPLETION);
assistant.enablePrefixCompletion(enabled);
}
changeScriptProcessor(assistant, store, p);
}
public boolean fillArgumentsOnMethodCompletion(IPreferenceStore store) {
return store.getBoolean(FILL_METHOD_ARGUMENTS);
}
}