mycompletionprocessor.java

这是用SWT写的一个自定义编辑器的一个小离子

package edit4.Myedit;

import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.contentassist.CompletionProposal;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.jface.text.contentassist.IContextInformationValidator;

public class MyCompletionProcessor implements IContentAssistProcessor {

	protected final static String[] myProposals = { "Line1", "Line2","Line3" ,"Line4"};

	/* (non-Javadoc)
	 * Method declared on IContentAssistProcessor
	 */
	public ICompletionProposal[] computeCompletionProposals(
		ITextViewer viewer,
		int documentOffset) {
		ICompletionProposal[] result =
			new ICompletionProposal[myProposals.length];
		for (int i = 0; i < myProposals.length; i++) {
			result[i] = new CompletionProposal(myProposals[i], 
							documentOffset, 0, myProposals[i].length());
		}
		return result;
	}

	/* (non-Javadoc)
	 * Method declared on IContentAssistProcessor
	 */
	public char[] getCompletionProposalAutoActivationCharacters() {
		return new char[] { '<' };
	}

	/* (non-Javadoc)
	 * Method declared on IContentAssistProcessor
	 */
	public char[] getContextInformationAutoActivationCharacters() {
		return null;
	}

	// For Context information 
	/* (non-Javadoc)
	 * Method declared on IContentAssistProcessor
	 */
	public IContextInformationValidator getContextInformationValidator() {
		return null;
	}

	/* (non-Javadoc)
	 * Method declared on IContentAssistProcessor
	 */
	public IContextInformation[] computeContextInformation(
		ITextViewer viewer,
		int documentOffset) {
		return null;
	}

	/* (non-Javadoc)
	 * Method declared on IContentAssistProcessor
	 */
	public String getErrorMessage() {
		return null;
	}
}