/* Body.java{{IS_NOTE	Purpose:			Description:			History:		Tue Dec 13 10:50:07     2005, Created by tomyeh}}IS_NOTECopyright (C) 2005 Potix Corporation. All Rights Reserved.{{IS_RIGHT	This program is distributed under GPL Version 2.0 in the hope that	it will be useful, but WITHOUT ANY WARRANTY.}}IS_RIGHT*/package org.zkoss.zhtml;import java.util.Collection;import java.io.StringWriter;import org.zkoss.zk.ui.Component;import org.zkoss.zk.ui.Page;import org.zkoss.zk.ui.Execution;import org.zkoss.zk.ui.Executions;import org.zkoss.zk.ui.sys.PageCtrl;import org.zkoss.zk.fn.ZkFns;import org.zkoss.zhtml.impl.AbstractTag;/** * The BODY tag. * * @author tomyeh */public class Body extends AbstractTag {	public Body() {		super("body");	}	//-- super --//	public void setParent(Component parent) {		final Page old = getPage();		super.setParent(parent);		fixDefaultParent(getPage(), old);	}	public void setPage(Page page) {		final Page old = getPage();		super.setPage(page);		fixDefaultParent(page, old);	}	private void fixDefaultParent(Page page, Page old) {		if (page != old) {			if (old != null) {				final PageCtrl oldc = (PageCtrl)old;				if (oldc.getDefaultParent() == this)					oldc.setDefaultParent(null);			}			if (page != null)				((PageCtrl)page).setDefaultParent(this);		}	}	//--Component-//	public void redraw(java.io.Writer out) throws java.io.IOException {		final StringWriter bufout = new StringWriter();		super.redraw(bufout);		final StringBuffer buf = bufout.getBuffer();		final String zktags = Head.outZKHtmlTags(),			zkresp = outZKResponses();		if (zktags != null || zkresp != null) {			final int j = buf.lastIndexOf("</body>");			if (j >= 0) {				if (zkresp != null) buf.insert(j, zkresp);				if (zktags != null) buf.insert(j, zktags);			} else {				if (zktags != null) buf.append(zktags);				if (zkresp != null) buf.append(zkresp);			}		}			out.write(buf.toString());		out.write('\n');	}	private static String outZKResponses() {		final Execution exec = Executions.getCurrent();		final String ATTR_RESPONSES = "zk_argResponses";		final Collection responses = (Collection)exec.getAttribute(ATTR_RESPONSES);		if (responses == null || responses.isEmpty())			return null;		final StringBuffer sb = new StringBuffer(256)			.append("\n<script type=\"text/javascript\">\n")			.append(ZkFns.outResponseJavaScripts(responses))			.append("\n</script>\n");		exec.removeAttribute(ATTR_RESPONSES); //turn off page.dsp's generation		return sb.toString();	}}