org.eclipse.xtext.ui.editor.autoedit
Class MultiLineTerminalsEditStrategy

java.lang.Object
  org.eclipse.xtext.ui.editor.autoedit.AbstractEditStrategy
      org.eclipse.xtext.ui.editor.autoedit.AbstractTerminalsEditStrategy
          org.eclipse.xtext.ui.editor.autoedit.MultiLineTerminalsEditStrategy

All Implemented Interfaces:

java.util.EventListener, org.eclipse.jface.text.IAutoEditStrategy, org.eclipse.swt.custom.VerifyKeyListener, org.eclipse.swt.internal.SWTEventListener

Direct Known Subclasses:

AutoEditStrategyProvider.MultiLineTerminalsEditStrategyInRichString

public class MultiLineTerminalsEditStrategy
extends AbstractTerminalsEditStrategy

This strategy applies auto edits when typing a newline character within a block (denoted by a start and end terminal).

Author:

Sven Efftinge - Initial contribution and API

Nested Class Summary

static class

MultiLineTerminalsEditStrategy.Factory

Field Summary

Fields inherited from class org.eclipse.xtext.ui.editor.autoedit.AbstractTerminalsEditStrategy

util

Fields inherited from class org.eclipse.xtext.ui.editor.autoedit.AbstractEditStrategy

debug, DEBUG

Constructor Summary

MultiLineTerminalsEditStrategy(java.lang.String leftTerminal, java.lang.String indentationString, java.lang.String rightTerminal)

Method Summary

protected boolean	atEndOfLineInput(org.eclipse.jface.text.IDocument document, int offset) determines whether the given offset is at the end of the input in the line. trailing whitespace is disregarded.
protected CommandInfo	handleCursorBetweenStartAndStopLine(org.eclipse.jface.text.IDocument document, org.eclipse.jface.text.DocumentCommand command, org.eclipse.jface.text.IRegion startTerminal, org.eclipse.jface.text.IRegion stopTerminal) adds a new line with required indentation after the cursor.
protected CommandInfo	handleCursorInFirstLine(org.eclipse.jface.text.IDocument document, org.eclipse.jface.text.DocumentCommand command, org.eclipse.jface.text.IRegion startTerminal, org.eclipse.jface.text.IRegion stopTerminal) Expects the cursor to be in the same line as the start terminal puts any text between start terminal and cursor into a separate newline before the cursor.
protected CommandInfo	handleCursorInStopLine(org.eclipse.jface.text.IDocument document, org.eclipse.jface.text.DocumentCommand command, org.eclipse.jface.text.IRegion startTerminal, org.eclipse.jface.text.IRegion stopTerminal) delegates to handleCursorBetweenStartAndStopLine(IDocument, DocumentCommand, IRegion, IRegion).
protected CommandInfo	handleNoStopTerminal(org.eclipse.jface.text.IDocument document, org.eclipse.jface.text.DocumentCommand command, org.eclipse.jface.text.IRegion startTerminal, org.eclipse.jface.text.IRegion stopTerminal) Expects the cursor not to be in the first line of the block inserts a closing terminal if not existent.
protected void	internalCustomizeDocumentCommand(org.eclipse.jface.text.IDocument document, org.eclipse.jface.text.DocumentCommand command)

Methods inherited from class org.eclipse.xtext.ui.editor.autoedit.AbstractTerminalsEditStrategy

allowsEqualTerminals, findStartTerminal, findStopTerminal, getDocumentUtil, getLeftTerminal, getRightTerminal, setDocumentUtil

Methods inherited from class org.eclipse.xtext.ui.editor.autoedit.AbstractEditStrategy

count, customizeDocumentCommand, getDocumentContent, handleBadLocationException, isIdentifierPart, verifyKey

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiLineTerminalsEditStrategy

public MultiLineTerminalsEditStrategy(java.lang.String leftTerminal,
                                      java.lang.String indentationString,
                                      java.lang.String rightTerminal)

Method Detail

internalCustomizeDocumentCommand

protected void internalCustomizeDocumentCommand(org.eclipse.jface.text.IDocument document,
                                                org.eclipse.jface.text.DocumentCommand command)
                                         throws org.eclipse.jface.text.BadLocationException

Specified by:

internalCustomizeDocumentCommand in class AbstractEditStrategy

Throws:

org.eclipse.jface.text.BadLocationException

handleCursorInFirstLine

protected CommandInfo handleCursorInFirstLine(org.eclipse.jface.text.IDocument document,
                                              org.eclipse.jface.text.DocumentCommand command,
                                              org.eclipse.jface.text.IRegion startTerminal,
                                              org.eclipse.jface.text.IRegion stopTerminal)
                                       throws org.eclipse.jface.text.BadLocationException

Expects the cursor to be in the same line as the start terminal puts any text between start terminal and cursor into a separate newline before the cursor. puts any text between cursor and end terminal into a separate newline after the cursor. puts the closing terminal into a separate line at the end. adds a closing terminal if not existent.

Throws:

org.eclipse.jface.text.BadLocationException

handleNoStopTerminal

protected CommandInfo handleNoStopTerminal(org.eclipse.jface.text.IDocument document,
                                           org.eclipse.jface.text.DocumentCommand command,
                                           org.eclipse.jface.text.IRegion startTerminal,
                                           org.eclipse.jface.text.IRegion stopTerminal)
                                    throws org.eclipse.jface.text.BadLocationException

Expects the cursor not to be in the first line of the block inserts a closing terminal if not existent.

Throws:

org.eclipse.jface.text.BadLocationException

handleCursorBetweenStartAndStopLine

protected CommandInfo handleCursorBetweenStartAndStopLine(org.eclipse.jface.text.IDocument document,
                                                          org.eclipse.jface.text.DocumentCommand command,
                                                          org.eclipse.jface.text.IRegion startTerminal,
                                                          org.eclipse.jface.text.IRegion stopTerminal)
                                                   throws org.eclipse.jface.text.BadLocationException

adds a new line with required indentation after the cursor.

Throws:

org.eclipse.jface.text.BadLocationException

handleCursorInStopLine

protected CommandInfo handleCursorInStopLine(org.eclipse.jface.text.IDocument document,
                                             org.eclipse.jface.text.DocumentCommand command,
                                             org.eclipse.jface.text.IRegion startTerminal,
                                             org.eclipse.jface.text.IRegion stopTerminal)
                                      throws org.eclipse.jface.text.BadLocationException

delegates to handleCursorBetweenStartAndStopLine(IDocument, DocumentCommand, IRegion, IRegion).

Throws:

org.eclipse.jface.text.BadLocationException

atEndOfLineInput

protected boolean atEndOfLineInput(org.eclipse.jface.text.IDocument document,
                                   int offset)
                            throws org.eclipse.jface.text.BadLocationException

determines whether the given offset is at the end of the input in the line. trailing whitespace is disregarded.

Throws:

org.eclipse.jface.text.BadLocationException