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/***********************************************************************
* Copyright (c) 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 v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
***********************************************************************/
package org.eclipse.cdt.ui.dialogs;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.ErrorParserManager;
import org.eclipse.cdt.internal.ui.ICHelpContextIds;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.CheckedListDialogField;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.DialogField;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.LayoutUtil;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.help.WorkbenchHelp;
public abstract class AbstractErrorParserBlock extends AbstractCOptionPage {
private static final String PREFIX = "ErrorParserBlock"; // $NON-NLS-1$
private static final String LABEL = PREFIX + ".label"; // $NON-NLS-1$
private static final String DESC = PREFIX + ".desc"; // $NON-NLS-1$
private static String[] EMPTY = new String[0];
private Preferences fPrefs;
protected HashMap mapParsers = new HashMap();
private CheckedListDialogField fErrorParserList;
protected boolean listDirty = false;
class FieldListenerAdapter implements IDialogFieldListener {
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.ui.wizards.dialogfields.IDialogFieldListener#dialogFieldChanged(org.eclipse.cdt.internal.ui.wizards.dialogfields.DialogField)
*/
public void dialogFieldChanged(DialogField field) {
listDirty = true;
}
}
public AbstractErrorParserBlock(Preferences prefs) {
super(CUIPlugin.getResourceString(LABEL));
setDescription(CUIPlugin.getResourceString(DESC));
fPrefs = prefs;
}
public Image getImage() {
return null;
}
/**
* Returns a label provider for the error parsers
*
* @return the content provider
*/
protected ILabelProvider getLabelProvider() {
return new LabelProvider() {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
String name = (String)mapParsers.get(element.toString());
return name != null ? name : "";
}
};
}
protected FieldListenerAdapter getFieldListenerAdapter() {
return new FieldListenerAdapter();
}
protected String[] getErrorParserIDs(Preferences prefs) {
String parserIDs = prefs.getString(ErrorParserManager.PREF_ERROR_PARSER);
String[] empty = new String[0];
if (parserIDs != null && parserIDs.length() > 0) {
StringTokenizer tok = new StringTokenizer(parserIDs, ";");
List list = new ArrayList(tok.countTokens());
while (tok.hasMoreElements()) {
list.add(tok.nextToken());
}
return (String[]) list.toArray(empty);
}
return empty;
}
/**
* To be implemented, abstract method.
* @param project
* @param list
*/
protected abstract String[] getErrorParserIDs(IProject project);
/**
* To be implemented. abstract method.
* @param project
* @param parsers
*/
protected abstract void saveErrorParsers(IProject project, String[] parserIDs) throws CoreException;
protected void saveErrorParsers(Preferences prefs, String[] parserIDs) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < parserIDs.length; i++) {
buf.append(parserIDs[i]).append(';');
}
prefs.setValue(ErrorParserManager.PREF_ERROR_PARSER, buf.toString());
}
protected void initMapParsers() {
mapParsers.clear();
IExtensionPoint point = CCorePlugin.getDefault().getDescriptor().getExtensionPoint(CCorePlugin.ERROR_PARSER_SIMPLE_ID);
if (point != null) {
IExtension[] exts = point.getExtensions();
for (int i = 0; i < exts.length; i++) {
mapParsers.put(exts[i].getUniqueIdentifier(), exts[i].getLabel());
}
}
}
protected void initializeValues() {
initMapParsers();
String[] parserIDs;
IProject project = getContainer().getProject();
if (project == null) {
// From a Preference.
parserIDs =getErrorParserIDs(fPrefs);
} else {
// From the Project.
parserIDs = getErrorParserIDs(project);
}
List checkedList = Arrays.asList(parserIDs);
fErrorParserList.setElements(checkedList);
fErrorParserList.setCheckedElements(checkedList);
Iterator items = mapParsers.keySet().iterator();
while( items.hasNext()) {
String item = (String)items.next();
boolean found = false;
for (int i = 0; i < parserIDs.length; i++) {
if (item.equals(parserIDs[i])) {
found = true;
break;
}
}
if (!found) {
fErrorParserList.addElement(item);
}
}
}
public void createControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
setControl(composite);
WorkbenchHelp.setHelp(getControl(), ICHelpContextIds.ERROR_PARSERS_PAGE);
String[] buttonLabels = new String[] {
/* 0 */
"Up", //$NON-NLS-1$
/* 1 */
"Down", //$NON-NLS-1$
/* 2 */
null,
/* 3 */
"Select All", //$NON-NLS-1$
/* 4 */
"Unselect All" //$NON-NLS-1$
};
fErrorParserList = new CheckedListDialogField(null, buttonLabels, getLabelProvider());
fErrorParserList.setDialogFieldListener(getFieldListenerAdapter());
fErrorParserList.setLabelText("Error Parsers"); //$NON-NLS-1$
fErrorParserList.setUpButtonIndex(0);
fErrorParserList.setDownButtonIndex(1);
fErrorParserList.setCheckAllButtonIndex(3);
fErrorParserList.setUncheckAllButtonIndex(4);
LayoutUtil.doDefaultLayout(composite, new DialogField[] { fErrorParserList }, true);
LayoutUtil.setHorizontalGrabbing(fErrorParserList.getListControl(null));
initializeValues();
}
public void performApply(IProgressMonitor monitor) throws CoreException {
if (listDirty) {
IProject project = getContainer().getProject();
if (monitor == null) {
monitor = new NullProgressMonitor();
}
monitor.beginTask("Setting Error Parsers...", 1);
List elements = fErrorParserList.getElements();
int count = elements.size();
List list = new ArrayList(count);
for (int i = 0; i < count; i++) {
Object obj = elements.get(i);
if (fErrorParserList.isChecked(obj)) {
list.add(obj);
}
}
String[] parserIDs = (String[])list.toArray(EMPTY);
if (project == null) {
saveErrorParsers(fPrefs, parserIDs);
} else {
saveErrorParsers(project, parserIDs);
}
monitor.worked(1);
monitor.done();
}
}
public void performDefaults() {
initializeValues();
}
}
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