cellprimitive.java

考勤管理系统源码

package com.wiley.compBooks.EJwithUML.Base.HtmlPrimitives.Layout;

import com.wiley.compBooks.EJwithUML.Base.HtmlPrimitives.Core.*;

/** The CellPrimitive class encapsulates the logic for producing
 *  cells within a table*/
class CellPrimitive implements IHtmlPrimitive
{
  private Style style;
  private HAlignment horizontalAlignment;
  private VAlignment verticalAlignment;
  private int columnSpan = -1;
  private IHtmlPrimitive content;

  /** Construct a cell primitive with the specified primitive
   *  as its content. */
  CellPrimitive(IHtmlPrimitive content)
  {
    this.content = content;
  }

  /** Specify the style class that is applied to the cell. */
  void setStyle(Style style)
  {
    this.style = style;
  }

  /** Set the horizontal and vertical alignment of the contents
   *  of the cell. */
  void setAlignment(HAlignment horizontalAlignment, VAlignment verticalAlignment)
  {
    this.horizontalAlignment = horizontalAlignment;
    this.verticalAlignment = verticalAlignment;
  }


  /** Set the number of columns that this cell should span. */
  void setColumnSpan(int columnSpan)
  {
    this.columnSpan = columnSpan;
  }

  // return column span, but return 1 if it is not set.
  int getColumnSpan()
  {
    return Math.max(this.columnSpan, 1);
  }

  /** Build the content for this primitive and append it to
   *  the specified buffer.*/
  public void buildContent(StringBuffer buffer)
  {
    String class_string = Formatting.convertToAttribute("class", style);
    String align_string = Formatting.convertToAttribute("align", horizontalAlignment);
    String valign_string = Formatting.convertToAttribute("valign", verticalAlignment);
    String colspan_string = Formatting.convertToAttribute("colspan", columnSpan);

    buffer.append("<td" +class_string+align_string+valign_string+colspan_string+ ">");
    content.buildContent(buffer);
    buffer.append("</td>");
  }
}