org.eclipse.m2m.atl.adt.ui.text.atl
Class AtlCompletionHelper

java.lang.Object
  org.eclipse.m2m.atl.adt.ui.text.atl.AtlCompletionHelper

public class AtlCompletionHelper
extends java.lang.Object

Completion helper, dedicated to document parsing.

Constructor Summary

AtlCompletionHelper()

Method Summary

AtlModelAnalyser	computeContext(int offset, java.lang.String prefix) Computes the document part to analyze, process the analysis.
java.lang.String	extractPrefix(int offset) Extracts the prefix of the last typed characters.
java.lang.String	getCurrentLine(int offset) Compute the whole line of the current offset.
int[]	getElementOffsets(org.eclipse.emf.ecore.EObject element, int baseOffset) Compute the right offset from an element, according to the base offset of the model.
java.lang.String	getLastKeyWord(int offset) Retrieves the last typed keyword.
void	setDocument(org.eclipse.jface.text.IDocument document) Configures the IDocument for this helper.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtlCompletionHelper

public AtlCompletionHelper()

Method Detail

setDocument

public void setDocument(org.eclipse.jface.text.IDocument document)

Configures the IDocument for this helper.

Parameters:

document - the current document

computeContext

public AtlModelAnalyser computeContext(int offset,
                                       java.lang.String prefix)
                                throws org.eclipse.jface.text.BadLocationException

Computes the document part to analyze, process the analysis.

Parameters:

offset - the current offset

prefix - the current prefix

Returns:

an analyser which purposes contextual informations.

Throws:

org.eclipse.jface.text.BadLocationException

getElementOffsets

public int[] getElementOffsets(org.eclipse.emf.ecore.EObject element,
                               int baseOffset)
                        throws org.eclipse.jface.text.BadLocationException

Compute the right offset from an element, according to the base offset of the model.

Parameters:

element - the given element

baseOffset - the base offset

Returns:

[deboffset, endoffset]

Throws:

org.eclipse.jface.text.BadLocationException

extractPrefix

public java.lang.String extractPrefix(int offset)

Extracts the prefix of the last typed characters.

Parameters:

offset - the current offset

Returns:

the prefix of the last word

getCurrentLine

public java.lang.String getCurrentLine(int offset)
                                throws org.eclipse.jface.text.BadLocationException

Compute the whole line of the current offset.

Parameters:

offset - the current offset

Returns:

the line containing the offset, ended with the offset

Throws:

org.eclipse.jface.text.BadLocationException

getLastKeyWord

public java.lang.String getLastKeyWord(int offset)
                                throws org.eclipse.jface.text.BadLocationException

Retrieves the last typed keyword.

Parameters:

offset - the current offset

Returns:

the last typed keyword

Throws:

org.eclipse.jface.text.BadLocationException