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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.text.edits;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
/**
* Text edit to insert a text at a given position in a
* document.
* <p>
* An insert edit is equivalent to <code>ReplaceEdit(offset, 0, text)
* </code>
*
* @since 3.0
*/
public final class InsertEdit extends TextEdit {
private String fText;
/**
* Constructs a new insert edit.
*
* @param offset the insertion offset
* @param text the text to insert
*/
public InsertEdit(int offset, String text) {
super(offset, 0);
fText= text;
}
/*
* Copy constructor
*/
private InsertEdit(InsertEdit other) {
super(other);
fText= other.fText;
}
/**
* Returns the text to be inserted.
*
* @return the edit's text.
*/
public String getText() {
return fText;
}
/* non Java-doc
* @see TextEdit#doCopy
*/
protected TextEdit doCopy() {
return new InsertEdit(this);
}
/* (non-Javadoc)
* @see TextEdit#accept0
*/
protected void accept0(TextEditVisitor visitor) {
boolean visitChildren = visitor.visit(this);
if (visitChildren) {
acceptChildren(visitor);
}
}
/* non Java-doc
* @see TextEdit#performDocumentUpdating
*/
/* package */ int performDocumentUpdating(IDocument document) throws BadLocationException {
document.replace(getOffset(), getLength(), fText);
fDelta= fText.length() - getLength();
return fDelta;
}
/* non Java-doc
* @see TextEdit#deleteChildren
*/
/* package */ boolean deleteChildren() {
return false;
}
/* non Java-doc
* @see java.lang.Object#toString()
*/
public String toString() {
return super.toString() + " <<" + fText; //$NON-NLS-1$
}
}
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