Package org.eclipse.wst.xml.core.internal.provisional.format

Source Code of org.eclipse.wst.xml.core.internal.provisional.format.DocumentNodeFormatter

/*******************************************************************************
* Copyright (c) 2001, 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
*     Jens Lukowski/Innoopract - initial renaming/restructuring
*     Jesper Steen M�ller - xml:space='preserve' support
*    
*******************************************************************************/
package org.eclipse.wst.xml.core.internal.provisional.format;

import org.eclipse.wst.sse.core.internal.format.IStructuredFormatContraints;
import org.eclipse.wst.sse.core.internal.format.IStructuredFormatter;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;


public class DocumentNodeFormatter extends NodeFormatter {
  protected void formatChildren(IDOMNode node, IStructuredFormatContraints formatContraints) {
    String singleIndent = getFormatPreferences().getIndent();
    String lineIndent = formatContraints.getCurrentIndent();

    if (node != null && (fProgressMonitor == null || !fProgressMonitor.isCanceled())) {
      // normalize node first to combine adjacent text nodes
      node.normalize();

      IDOMNode nextChild = (IDOMNode) node.getFirstChild();
      while (nextChild != null) {
        IDOMNode eachChildNode = nextChild;
        nextChild = (IDOMNode) eachChildNode.getNextSibling();
        IStructuredFormatter formatter = getFormatter(eachChildNode);
        IStructuredFormatContraints childFormatContraints = formatter.getFormatContraints();
        String childIndent = lineIndent + singleIndent;
        childFormatContraints.setCurrentIndent(childIndent);
        childFormatContraints.setClearAllBlankLines(formatContraints.getClearAllBlankLines());
        childFormatContraints.setInPreserveSpaceElement(formatContraints.getInPreserveSpaceElement());

        // format each child
        formatter.format(eachChildNode, childFormatContraints);

        if (nextChild != null && nextChild.getParentNode() == null)
          // nextNode is deleted during format
          nextChild = (IDOMNode) eachChildNode.getNextSibling();
      }
    }
  }

  protected void formatNode(IDOMNode node, IStructuredFormatContraints formatContraints) {
    if (node != null)
      formatChildren(node, formatContraints);
  }
}
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