org.drools.eclipse.editors.completion
Class AbstractCompletionProcessor

java.lang.Object
  org.drools.eclipse.editors.completion.AbstractCompletionProcessor

All Implemented Interfaces:

org.eclipse.jface.text.contentassist.IContentAssistProcessor

Direct Known Subclasses:

DefaultCompletionProcessor

public abstract class AbstractCompletionProcessor
extends Object
implements org.eclipse.jface.text.contentassist.IContentAssistProcessor

Constructor Summary

AbstractCompletionProcessor(org.eclipse.ui.IEditorPart editor)

Method Summary

org.eclipse.jface.text.contentassist.ICompletionProposal[]	computeCompletionProposals(org.eclipse.jface.text.ITextViewer viewer, int documentOffset)
org.eclipse.jface.text.contentassist.IContextInformation[]	computeContextInformation(org.eclipse.jface.text.ITextViewer viewer, int documentOffset)
protected static void	filterProposalsOnPrefix(String prefix, List props) Filter out the proposals whose content does not start with the given prefix.
char[]	getCompletionProposalAutoActivationCharacters()
protected abstract List	getCompletionProposals(org.eclipse.jface.text.ITextViewer viewer, int documentOffset) Returns a list of RuleCompletionProposals.
char[]	getContextInformationAutoActivationCharacters()
org.eclipse.jface.text.contentassist.IContextInformationValidator	getContextInformationValidator()
protected org.eclipse.ui.IEditorPart	getEditor()
String	getErrorMessage()
protected String	readBackwards(int documentOffset, org.eclipse.jface.text.IDocument doc) Read some text from behind the cursor position.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractCompletionProcessor

public AbstractCompletionProcessor(org.eclipse.ui.IEditorPart editor)

Method Detail

getEditor

protected org.eclipse.ui.IEditorPart getEditor()

computeCompletionProposals

public org.eclipse.jface.text.contentassist.ICompletionProposal[] computeCompletionProposals(org.eclipse.jface.text.ITextViewer viewer,
                                                                                             int documentOffset)

Specified by:

computeCompletionProposals in interface org.eclipse.jface.text.contentassist.IContentAssistProcessor

getCompletionProposals

protected abstract List getCompletionProposals(org.eclipse.jface.text.ITextViewer viewer,
                                               int documentOffset)

Returns a list of RuleCompletionProposals.

Parameters:

viewer -

documentOffset -

Returns:

filterProposalsOnPrefix

protected static void filterProposalsOnPrefix(String prefix,
                                              List props)

Filter out the proposals whose content does not start with the given prefix.

readBackwards

protected String readBackwards(int documentOffset,
                               org.eclipse.jface.text.IDocument doc)
                        throws org.eclipse.jface.text.BadLocationException

Read some text from behind the cursor position. This provides context to both filter what is shown based on what the user has typed in, and also to provide more information for the list of suggestions based on context.

Throws:

org.eclipse.jface.text.BadLocationException

getCompletionProposalAutoActivationCharacters

public char[] getCompletionProposalAutoActivationCharacters()

Specified by:

getCompletionProposalAutoActivationCharacters in interface org.eclipse.jface.text.contentassist.IContentAssistProcessor

getContextInformationAutoActivationCharacters

public char[] getContextInformationAutoActivationCharacters()

Specified by:

getContextInformationAutoActivationCharacters in interface org.eclipse.jface.text.contentassist.IContentAssistProcessor

getContextInformationValidator

public org.eclipse.jface.text.contentassist.IContextInformationValidator getContextInformationValidator()

Specified by:

getContextInformationValidator in interface org.eclipse.jface.text.contentassist.IContentAssistProcessor

computeContextInformation

public org.eclipse.jface.text.contentassist.IContextInformation[] computeContextInformation(org.eclipse.jface.text.ITextViewer viewer,
                                                                                            int documentOffset)

Specified by:

computeContextInformation in interface org.eclipse.jface.text.contentassist.IContentAssistProcessor

getErrorMessage

public String getErrorMessage()

Specified by:

getErrorMessage in interface org.eclipse.jface.text.contentassist.IContentAssistProcessor