/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
package net.sourceforge.phpdt.internal.ui.text.template;
import java.util.ArrayList;
import net.sourceforge.phpdt.internal.corext.template.ContextType;
import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
import net.sourceforge.phpdt.internal.corext.template.php.PHPUnitContext;
import net.sourceforge.phpdt.internal.ui.PHPUiImages;
import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Region;
import org.eclipse.swt.graphics.Point;
//import org.eclipse.jdt.internal.ui.text.link.LinkedPositionManager;
public class BuiltInEngine {
/** The context type. */
private ContextType fContextType;
/** The result proposals. */
private ArrayList fProposals= new ArrayList();
/**
* Creates the template engine for a particular context type.
* See TemplateContext
for supported context types.
*/
public BuiltInEngine(ContextType contextType) {
// Assert.isNotNull(contextType);
fContextType= contextType;
}
/**
* Empties the collector.
*
* @param viewer the text viewer
* @param unit the compilation unit (may be null
)
*/
public void reset() {
fProposals.clear();
}
/**
* Returns the array of matching templates.
*/
public IPHPCompletionProposal[] getResults() {
return (IPHPCompletionProposal[]) fProposals.toArray(new IPHPCompletionProposal[fProposals.size()]);
}
/**
* Inspects the context of the compilation unit around completionPosition
* and feeds the collector with proposals.
* @param viewer the text viewer
* @param completionPosition the context position in the document of the text viewer
* @param compilationUnit the compilation unit (may be null
)
*/
public void complete(ITextViewer viewer, int completionPosition, Object[] identifiers)
//,ICompilationUnit compilationUnit)
//hrows JavaModelException
{
IDocument document= viewer.getDocument();
// prohibit recursion
// if (LinkedPositionManager.hasActiveManager(document))
// return;
if (!(fContextType instanceof CompilationUnitContextType))
return;
Point selection= viewer.getSelectedRange();
// remember selected text
String selectedText= null;
if (selection.y != 0) {
try {
selectedText= document.get(selection.x, selection.y);
} catch (BadLocationException e) {}
}
((CompilationUnitContextType) fContextType).setContextParameters(document, completionPosition, selection.y);//mpilationUnit);
PHPUnitContext context= (PHPUnitContext) fContextType.createContext();
int start= context.getStart();
int end= context.getEnd();
IRegion region= new Region(start, end - start);
// Template[] templates= Templates.getInstance().getTemplates();
String identifier = null;
for (int i= 0; i != identifiers.length; i++) {
identifier = (String) identifiers[i];
if (context.canEvaluate(identifier)) {
fProposals.add(new BuiltInProposal(identifier, context, region, viewer, PHPUiImages.get(PHPUiImages.IMG_BUILTIN)));
}
}
}
}