xjsimage.java

XBrowser是一个完全免费并且开源的Web浏览器

/****************************************************************
*              XBrowser  -  eXtended web Browser                *
*                                                               *
*           Copyright (c) 2000-2001  Armond Avanes              *
*     Refer to ReadMe & License files for more information      *
*                                                               *
*                                                               *
*                 By: Uladzimir V. Kavalchuk                    *
*               [e-mail]                 *
*               http://xbrowser.sourceforge.net/                *
*****************************************************************/
package xbrowser.renderer.custom.js;

import java.util.*;
import java.io.*;
import javax.swing.text.*;
import javax.swing.text.html.*;

import org.mozilla.javascript.*;

import xbrowser.renderer.custom.*;

public class XJSImage extends ScriptableObject {

    public String getClassName() {
        return "XJSImage";
    }

    public XJSImage() { // prototype
    }

    public XJSImage( Element _img) {
	    img = _img;
		/** @todo Following can be made massively lazy */
		attrs = img.getAttributes();
		props = attrs.getAttributeNames();
		attrNames = new Vector();
		attrValues = new Vector();
		while( props.hasMoreElements()) {
		    Object property = props.nextElement();
		    attrNames.add( property.toString());
			attrValues.add( attrs.getAttribute( property));
		}
		defineSelf();
    }

	protected void defineSelf() {
	    try {
			defineProperty( "src", getClass(), DONTENUM);

			defineProperty( "border", getClass(), DONTENUM);
			defineProperty( "height", getClass(), DONTENUM);
			defineProperty( "width", getClass(), DONTENUM);
			defineProperty( "hspace", getClass(), DONTENUM);
			defineProperty( "vspace", getClass(), DONTENUM);
			defineProperty( "lowsrc", getClass(), DONTENUM);
			defineProperty( "name", getClass(), DONTENUM);
		} catch( Exception e) {
		    XRendererSupport.getContext().getLogger().error(this, e);
		}
	}

	protected String getCustomProp( String name) {
	    int idx = attrNames.indexOf( name);
		return ( idx >= 0) ? (String) attrValues.get( idx) : "";
	}

	// JavaScript-visible:
	public String getBorder() {
	    return getCustomProp( "border");
	}

	public boolean getComplete() {
	    return true;
	}

	public String getHeight() {
	    return getCustomProp( "height");
	}

 	public String getWidth() {
	    return getCustomProp( "width");
	}

	public String getHspace() {
	    return getCustomProp( "hspace");
	}

	public String getVspace() {
	    return getCustomProp( "vspace");
	}

	public String getLowsrc() {
	    return getCustomProp( "lowsrc");
	}

	public String getName() {
	    return getCustomProp( "name");
	}

	// SRC method is the key!
	public String getSrc() {
	    return getCustomProp( "src");
	}

	public void setSrc( String newSrc) {
	    String newImgTxt = XRendererSupport.changeImgSrc( img, newSrc);
		HTMLDocument doc = (HTMLDocument)img.getDocument();
		try {
		    XRendererSupport.setOuterHTML(doc, img, newImgTxt);
        } catch( BadLocationException ex) {
            XRendererSupport.getContext().getLogger().error( this, ex);
        } catch( IOException ex) {
            XRendererSupport.getContext().getLogger().error( this, ex);
        }
	}

// Attributes:
	protected Element img;
	protected AttributeSet attrs;
	protected Enumeration props;
	protected Vector attrNames;
	protected Vector attrValues;
}