TreeItem.java

package railo.runtime.tag;

import javax.servlet.jsp.tagext.Tag;

import railo.runtime.exp.ApplicationException;
import railo.runtime.exp.TagNotSupported;
import railo.runtime.ext.tag.TagImpl;
import railo.runtime.op.Caster;

public class TreeItem extends TagImpl{

	private String value=null;
	private String display=null;
	private String parent=null;
	private String strImg=null;
	private int intImg=TreeItemBean.IMG_FOLDER;
	private String strImgOpen=null;
	private int intImgOpen=TreeItemBean.IMG_FOLDER;
	private String href=null;
	private String target=null;
	private String query=null;
	private String strQueryAsRootCustom=null;
	private int intQueryAsRoot=TreeItemBean.QUERY_AS_ROOT_YES;
	private boolean expand=true;
 
	
	public TreeItem() throws TagNotSupported{
		throw new TagNotSupported("TreeItem");
	}
	
	@Override
	public void release() {
		value=null;
		display=null;
		parent=null;
		strImg=null;
		intImg=TreeItemBean.IMG_FOLDER;
		strImgOpen=null;
		intImgOpen=TreeItemBean.IMG_FOLDER;
		href=null;
		target=null;
		query=null;
		strQueryAsRootCustom=null;
		intQueryAsRoot=TreeItemBean.QUERY_AS_ROOT_YES;
		expand=true;
	}
	/**
	 * @param display the display to set
	 */
	public void setDisplay(String display) {
		this.display=display;
	}
	/**
	 * @param expand the expand to set
	 */
	public void setExpand(boolean expand) {
		this.expand=expand;
	}
	/**
	 * @param href the href to set
	 */
	public void setHref(String href) {
		this.href=href;
	}
	/**
	 * @param img the img to set
	 */
	public void setImg(String img) {
		this.strImg=img;
		this.intImg=toIntImg(img);
	}
	
	/**
	 * @param imgopen the imgopen to set
	 */
	public void setImgopen(String imgopen) {
		this.strImgOpen=imgopen;
		this.intImgOpen=toIntImg(imgopen);
	}
	
	private int toIntImg(String img) {
		img=img.trim().toLowerCase();
		if("cd".equals(img)) 				return TreeItemBean.IMG_CD;
		else if("computer".equals(img)) 	return TreeItemBean.IMG_COMPUTER;
		else if("document".equals(img)) 	return TreeItemBean.IMG_DOCUMENT;
		else if("element".equals(img)) 		return TreeItemBean.IMG_ELEMENT;
		else if("folder".equals(img)) 		return TreeItemBean.IMG_FOLDER;
		else if("floppy".equals(img)) 		return TreeItemBean.IMG_FLOPPY;
		else if("fixed".equals(img)) 		return TreeItemBean.IMG_FIXED;
		else if("remote".equals(img)) 		return TreeItemBean.IMG_REMOTE;
		return TreeItemBean.IMG_CUSTOM;
	}
	
	/**
	 * @param parent the parent to set
	 */
	public void setParent(String parent) {
		this.parent=parent;
	}
	/**
	 * @param query the query to set
	 */
	public void setQuery(String query) {
		this.query=query;
	}
	/**
	 * @param queryAsRoot the queryAsRoot to set
	 */
	public void setQueryasroot(String queryAsRoot) {
		strQueryAsRootCustom = queryAsRoot;
		
		Boolean b = Caster.toBoolean(queryAsRoot,null);
		if(b==null)	intQueryAsRoot=TreeItemBean.QUERY_AS_ROOT_CUSTOM;
		else		intQueryAsRoot=b.booleanValue()?TreeItemBean.QUERY_AS_ROOT_YES:TreeItemBean.QUERY_AS_ROOT_NO;
	}
	/**
	 * @param target the target to set
	 */
	public void setTarget(String target) {
		this.target=target;
	}
	/**
	 * @param value the value to set
	 */
	public void setValue(String value) {
		this.value=value;
	}
	
	public int doStartTag() throws ApplicationException {
		Tree tree=getTree();
		
		if(display==null)display=value;
		if(query!=null) doStartTagQuery(tree);
		else doStartTagNormal(tree);
		
		return SKIP_BODY;
	}
	
	
	
	
	private void doStartTagQuery(Tree tree) {
		// TODO Auto-generated method stub
		
	}
	
	private void doStartTagNormal(Tree tree) {
		TreeItemBean bean = new TreeItemBean();
		bean.setDisplay(display);
		bean.setExpand(expand);
		bean.setHref(href);
		bean.setImg(intImg);
		bean.setImgCustom(strImg);
		bean.setImgOpen(intImgOpen);
		bean.setImgOpenCustom(strImgOpen);
		bean.setParent(parent);
		bean.setTarget(target);
		bean.setValue(value);
		
		tree.addTreeItem(bean);
	}
	
	
	private Tree getTree() throws ApplicationException {
		Tag parent=getParent();
		while(parent!=null && !(parent instanceof Tree)) {
			parent=parent.getParent();
		}
		
		if(parent instanceof Tree) return (Tree) parent;
		throw new ApplicationException("Wrong Context, tag TreeItem must be inside a Tree tag");	
		
	}
}