columnaxisbuilderimpl.java

OLAP 的客户端代码

/*
 * ====================================================================
 * This software is subject to the terms of the Common Public License
 * Agreement, available at the following URL:
 *   http://www.opensource.org/licenses/cpl.html .
 * Copyright (C) 2003-2004 TONBELLER AG.
 * All Rights Reserved.
 * You must accept the terms of that agreement to use this software.
 * ====================================================================
 *
 * 
 */
package com.tonbeller.jpivot.table;
import org.w3c.dom.Element;

import com.tonbeller.jpivot.olap.model.Axis;
import com.tonbeller.jpivot.table.span.Span;

/**
 * @author av
 */
public class ColumnAxisBuilderImpl extends AxisBuilderSupport implements ColumnAxisBuilder {
  
  public ColumnAxisBuilderImpl() {
    super(new SpanBuilderImpl("column-heading", "heading-heading"));
    setMemberIndent(false);
    setShowParentMembers(false);
    setHierarchyHeader(HIERARCHY_HEADER);
    setMemberSpan(HIERARCHY_THEN_POSITION_SPAN);
    setHeaderSpan(HIERARCHY_THEN_POSITION_SPAN);
  }

  public void buildRow(Element parent, int rowIndex) {
    final int N = spanCalc.getPositionCount();
    for (int i = 0; i < N; i++) {
      boolean even = (i % 2 == 0);
      Span span = spanCalc.getSpan(i, rowIndex);
      if (span.isSignificant()) {
        int colspan = span.getPositionSpan();
        int rowspan = span.getHierarchySpan();
        buildHeading(parent, span, rowspan, colspan, even);
      }
    }
  }

  public int getColumnCount() {
    return spanCalc.getPositionCount();
  }

  public int getRowCount() {
    return spanCalc.getHierarchyCount();
  }

  protected Axis getAxis() {
    return table.getColumnAxis();
  }
}