/*******************************************************************************
* Copyright (c) 2007, 2008 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
*
* Contributors:
* IBM Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.language;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.core.runtime.content.IContentTypeManager;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Table;
import org.eclipse.cdt.core.model.LanguageManager;
public abstract class LanguageMappingWidget {
protected static final int MINIMUM_COLUMN_WIDTH = 150;
protected Composite fContents;
protected boolean fIsReadOnly;
protected Table fTable;
protected HashMap<String, String> fContentTypeNamesToIDsMap;
protected Set<IContentType> fAffectedContentTypes;
protected Font fOverriddenFont;
protected LanguageMappingWidget fChild;
protected IAdaptable fElement;
protected Set<String> fOverriddenContentTypes;
private boolean fIsChanged;
public LanguageMappingWidget() {
fOverriddenFont = JFaceResources.getFontRegistry().getItalic(JFaceResources.DIALOG_FONT);
fOverriddenContentTypes = Collections.emptySet();
// keep a mapping of all registered content types and their names
fContentTypeNamesToIDsMap = new HashMap<String, String>();
String[] contentTypesIDs = LanguageManager.getInstance().getRegisteredContentTypeIds();
IContentTypeManager contentTypeManager = Platform.getContentTypeManager();
for (int i = 0; i < contentTypesIDs.length; i++) {
String name = contentTypeManager.getContentType(contentTypesIDs[i]).getName();
// keep track of what ID this name corresponds to so that when we
// setup the mapping
// later based upon user selection, we'll know what ID to use
fContentTypeNamesToIDsMap.put(name, contentTypesIDs[i]);
}
fAffectedContentTypes = new HashSet<IContentType>();
}
public IAdaptable getElement() {
return fElement;
}
public void setElement(IAdaptable element) {
fElement = element;
}
public void setOverriddenContentTypes(Set<String> contentTypes) {
fOverriddenContentTypes = contentTypes;
}
public IContentType[] getAffectedContentTypes() {
return fAffectedContentTypes.toArray(new IContentType[fAffectedContentTypes.size()]);
}
public void setReadOnly(boolean isReadOnly) {
fIsReadOnly = isReadOnly;
}
public void setChild(LanguageMappingWidget child) {
fChild = child;
}
public boolean isChanged() {
return fIsChanged;
}
public void setChanged(boolean changed) {
fIsChanged = changed;
}
protected void createHeader(Composite parent, String description) {
Link link = new Link(fContents, SWT.NONE);
link.setText(description);
link.addListener(SWT.Selection, new LanguageMappingLinkListener(fContents.getShell(), getElement()) {
@Override
protected void refresh() {
refreshMappings();
}
});
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, false);
gridData.widthHint = MINIMUM_COLUMN_WIDTH * 2;
gridData.horizontalSpan = 2;
link.setLayoutData(gridData);
}
public abstract Composite createContents(Composite parent, String description);
public abstract void refreshMappings();
}