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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.search.internal.ui;
import java.text.Collator;
import java.util.Arrays;
import java.util.Comparator;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.ColorFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IPerspectiveRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.search.internal.ui.util.ComboFieldEditor;
/*
* The page for setting the Search preferences.
*/
public class SearchPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
public static final String IGNORE_POTENTIAL_MATCHES= "org.eclipse.search.potentialMatch.ignore"; //$NON-NLS-1$
public static final String EMPHASIZE_POTENTIAL_MATCHES= "org.eclipse.search.potentialMatch.emphasize"; //$NON-NLS-1$
public static final String POTENTIAL_MATCH_FG_COLOR= "org.eclipse.search.potentialMatch.fgColor"; //$NON-NLS-1$
public static final String REUSE_EDITOR= "org.eclipse.search.reuseEditor"; //$NON-NLS-1$
public static final String DEFAULT_PERSPECTIVE= "org.eclipse.search.defaultPerspective"; //$NON-NLS-1$
private static final String NO_DEFAULT_PERSPECTIVE= "org.eclipse.search.defaultPerspective.none"; //$NON-NLS-1$
private ColorFieldEditor fColorEditor;
private BooleanFieldEditor fEmphasizedCheckbox;
private BooleanFieldEditor fIgnorePotentialMatchesCheckbox;
private static class PerspectiveDescriptorComparator implements Comparator {
/*
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
public int compare(Object o1, Object o2) {
if (o1 instanceof IPerspectiveDescriptor && o2 instanceof IPerspectiveDescriptor) {
String id1= ((IPerspectiveDescriptor)o1).getLabel();
String id2= ((IPerspectiveDescriptor)o2).getLabel();
return Collator.getInstance().compare(id1, id2);
}
return 0;
}
}
public SearchPreferencePage() {
super(GRID);
setPreferenceStore(SearchPlugin.getDefault().getPreferenceStore());
}
public static void initDefaults(IPreferenceStore store) {
RGB gray= new RGB(85, 85, 85);
store.setDefault(EMPHASIZE_POTENTIAL_MATCHES, true);
store.setDefault(IGNORE_POTENTIAL_MATCHES, false);
PreferenceConverter.setDefault(store, POTENTIAL_MATCH_FG_COLOR, gray);
store.setDefault(REUSE_EDITOR, false);
store.setDefault(DEFAULT_PERSPECTIVE, NO_DEFAULT_PERSPECTIVE);
}
public static boolean isEditorReused() {
IPreferenceStore store= SearchPlugin.getDefault().getPreferenceStore();
return store.getBoolean(REUSE_EDITOR);
}
public static String getDefaultPerspectiveId() {
handleDeletedPerspectives();
IPreferenceStore store= SearchPlugin.getDefault().getPreferenceStore();
String id= store.getString(DEFAULT_PERSPECTIVE);
if (id == null || id.length() == 0 || id.equals(NO_DEFAULT_PERSPECTIVE))
return null;
else if (PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(id) == null) {
store.putValue(DEFAULT_PERSPECTIVE, id);
return null;
}
return id;
}
public static boolean arePotentialMatchesIgnored() {
IPreferenceStore store= SearchPlugin.getDefault().getPreferenceStore();
return store.getBoolean(IGNORE_POTENTIAL_MATCHES);
}
public static boolean arePotentialMatchesEmphasized() {
IPreferenceStore store= SearchPlugin.getDefault().getPreferenceStore();
return store.getBoolean(EMPHASIZE_POTENTIAL_MATCHES);
}
public static RGB getPotentialMatchForegroundColor() {
IPreferenceStore store= SearchPlugin.getDefault().getPreferenceStore();
return PreferenceConverter.getColor(store, POTENTIAL_MATCH_FG_COLOR);
}
public void createControl(Composite parent) {
super.createControl(parent);
WorkbenchHelp.setHelp(getControl(), ISearchHelpContextIds.SEARCH_PREFERENCE_PAGE);
}
protected void createFieldEditors() {
BooleanFieldEditor boolEditor= new BooleanFieldEditor(
REUSE_EDITOR,
SearchMessages.getString("SearchPreferencePage.reuseEditor"), //$NON-NLS-1$
getFieldEditorParent()
);
addField(boolEditor);
fIgnorePotentialMatchesCheckbox= new BooleanFieldEditor(
IGNORE_POTENTIAL_MATCHES,
SearchMessages.getString("SearchPreferencePage.ignorePotentialMatches"), //$NON-NLS-1$
getFieldEditorParent());
addField(fIgnorePotentialMatchesCheckbox);
fEmphasizedCheckbox= new BooleanFieldEditor(
EMPHASIZE_POTENTIAL_MATCHES,
SearchMessages.getString("SearchPreferencePage.emphasizePotentialMatches"), //$NON-NLS-1$
getFieldEditorParent());
addField(fEmphasizedCheckbox);
fColorEditor= new ColorFieldEditor(
POTENTIAL_MATCH_FG_COLOR,
SearchMessages.getString("SearchPreferencePage.potentialMatchFgColor"), //$NON-NLS-1$
getFieldEditorParent()
);
addField(fColorEditor);
fEmphasizedCheckbox.setEnabled(!arePotentialMatchesIgnored(), getFieldEditorParent());
fColorEditor.setEnabled(!arePotentialMatchesIgnored() && arePotentialMatchesEmphasized(), getFieldEditorParent());
handleDeletedPerspectives();
String[][] perspectiveNamesAndIds = getPerspectiveNamesAndIds();
ComboFieldEditor comboEditor= new ComboFieldEditor(
DEFAULT_PERSPECTIVE,
SearchMessages.getString("SearchPreferencePage.defaultPerspective"), //$NON-NLS-1$
perspectiveNamesAndIds,
getFieldEditorParent());
addField(comboEditor);
}
public void setVisible(boolean state) {
handleDeletedPerspectives();
super.setVisible(state);
}
public void propertyChange(PropertyChangeEvent event) {
boolean arePotentialMatchesIgnored= fIgnorePotentialMatchesCheckbox.getBooleanValue();
fEmphasizedCheckbox.setEnabled(!arePotentialMatchesIgnored, getFieldEditorParent());
fColorEditor.setEnabled(!arePotentialMatchesIgnored && fEmphasizedCheckbox.getBooleanValue(), getFieldEditorParent());
}
public void init(IWorkbench workbench) {
}
protected void performDefaults() {
super.performDefaults();
boolean arePotentialMatchesIgnored= fIgnorePotentialMatchesCheckbox.getBooleanValue();
fEmphasizedCheckbox.setEnabled(!arePotentialMatchesIgnored, getFieldEditorParent());
fColorEditor.setEnabled(!arePotentialMatchesIgnored && fEmphasizedCheckbox.getBooleanValue(), getFieldEditorParent());
}
/**
* Return a 2-dimensional array of perspective names and ids.
*/
private String[][] getPerspectiveNamesAndIds() {
IPerspectiveRegistry registry= PlatformUI.getWorkbench().getPerspectiveRegistry();
IPerspectiveDescriptor[] perspectiveDescriptors= registry.getPerspectives();
Arrays.sort(perspectiveDescriptors, new PerspectiveDescriptorComparator());
String[][] table = new String[perspectiveDescriptors.length + 1][2];
table[0][0] = SearchMessages.getString("SearchPreferencePage.defaultPerspective.none"); //$NON-NLS-1$;
table[0][1] = NO_DEFAULT_PERSPECTIVE;
for (int i = 0; i < perspectiveDescriptors.length; i++) {
table[i + 1][0] = perspectiveDescriptors[i].getLabel();
table[i + 1][1] = perspectiveDescriptors[i].getId();
}
return table;
}
private static void handleDeletedPerspectives() {
IPreferenceStore store= SearchPlugin.getDefault().getPreferenceStore();
String id= store.getString(DEFAULT_PERSPECTIVE);
if (PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(id) == null) {
store.putValue(DEFAULT_PERSPECTIVE, NO_DEFAULT_PERSPECTIVE);
}
}
}
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