/*******************************************************************************
* Copyright (c) 2008 Wind River Systems, Inc. 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:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.text.c.hover;
import org.eclipse.jface.text.IInformationControl;
import org.eclipse.jface.text.IInformationControlCreator;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.information.IInformationProvider;
import org.eclipse.jface.text.information.IInformationProviderExtension;
import org.eclipse.jface.text.information.IInformationProviderExtension2;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.texteditor.ITextEditor;
/**
* Information provider for macro exploration.
*
* @since 5.0
*/
public class CMacroExpansionInformationProvider implements IInformationProvider, IInformationProviderExtension, IInformationProviderExtension2 {
private final ITextEditor fEditor;
public CMacroExpansionInformationProvider(ITextEditor editor) {
fEditor= editor;
}
/*
* @see org.eclipse.jface.text.information.IInformationProvider#getInformation(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
*/
public String getInformation(ITextViewer textViewer, IRegion subject) {
return null;
}
/*
* @see org.eclipse.jface.text.information.IInformationProvider#getSubject(org.eclipse.jface.text.ITextViewer, int)
*/
public IRegion getSubject(ITextViewer textViewer, int offset) {
Point selection= textViewer.getSelectedRange();
return new Region(selection.x, selection.y);
}
/*
* @see org.eclipse.jface.text.information.IInformationProviderExtension#getInformation2(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
*/
public Object getInformation2(ITextViewer textViewer, IRegion subject) {
return CMacroExpansionInput.create(fEditor, subject, true);
}
/*
* @see org.eclipse.jface.text.information.IInformationProviderExtension2#getInformationPresenterControlCreator()
*/
public IInformationControlCreator getInformationPresenterControlCreator() {
return new IInformationControlCreator() {
public IInformationControl createInformationControl(Shell parent) {
return new CMacroExpansionExplorationControl(parent);
}
};
}
}