| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.text.edits; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| 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); |
| Assert.isNotNull(text); |
| 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; |
| } |
| |
| @Override |
| protected TextEdit doCopy() { |
| return new InsertEdit(this); |
| } |
| |
| @Override |
| protected void accept0(TextEditVisitor visitor) { |
| boolean visitChildren= visitor.visit(this); |
| if (visitChildren) { |
| acceptChildren(visitor); |
| } |
| } |
| |
| @Override |
| int performDocumentUpdating(IDocument document) throws BadLocationException { |
| document.replace(getOffset(), getLength(), fText); |
| fDelta= fText.length() - getLength(); |
| return fDelta; |
| } |
| |
| @Override |
| boolean deleteChildren() { |
| return false; |
| } |
| |
| @Override |
| void internalToString(StringBuilder buffer, int indent) { |
| super.internalToString(buffer, indent); |
| buffer.append(" <<").append(fText); //$NON-NLS-1$ |
| } |
| } |