imageprimitive.java

来自「考勤管理系统源码」· Java 代码 · 共 56 行

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

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

/**
 * The ImagePrimitive class encapsulates the details of building
 * the HTML for an img tag..
 */
public class ImagePrimitive implements IHtmlPrimitive
{
  private String source;
  private String alternateText;
  private Style style;
  private int width = -1;
  private int height = -1;

  /** Construct an ImagePrimitive with the specified source url. */
  public ImagePrimitive(String source)
  {
    this.source = source;
  }

  /** Specifies the text to use if the image is not displayed or
   *  to display to augment the image in a tooltip.*/
  public void setAlternateText(String alternateText)
  {
    this.alternateText = alternateText;
  }

  /** Specifies the size in pixels of the image. */
  public void setSize(int width, int height)
  {
    this.width = width;
    this.height = height;
  }

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

  /** Build the content for this primitive and append it to
   *  the specified buffer.*/
  public void buildContent(StringBuffer buffer)
  {
    String width_string = Formatting.convertToAttribute("width", width);
    String height_string = Formatting.convertToAttribute("height", height);
    String src_string = Formatting.convertToAttribute("src", source);
    String alt_string = Formatting.convertToAttribute("alt", alternateText);
    String class_string = Formatting.convertToAttribute("class", style);

    buffer.append("<img" +src_string+width_string+height_string+alt_string+class_string+ "></img>");
  }
}