/*******************************************************************************
    * Copyright 2013 Universidad Politécnica de Madrid - Life Supporting Technologies
    * Copyright 2013 Fraunhofer-Gesellschaft - Institute for Computer Graphics Research
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   ******************************************************************************/
  
  package org.universAAL.ui.ui.handler.web.html.model;
  
  import java.util.Iterator;
  import java.util.List;
  import java.util.Properties;
  
  import org.universAAL.middleware.ui.rdf.Form;
  import org.universAAL.middleware.ui.rdf.FormControl;
  import org.universAAL.middleware.ui.rdf.Group;
  import org.universAAL.middleware.ui.rdf.Repeat;
  import org.universAAL.ui.ui.handler.web.html.HTMLUserGenerator;
  
  /**
   * @author amedrano
   * 
   */
  public class RepeatModel extends GroupModel {
  
  	/**
  	 * @param fe
  	 * @param render
  	 */
  	public RepeatModel(Repeat fe, HTMLUserGenerator render) {
  		super(fe, render);
  	}
  
  	/** {@ inheritDoc} */
  	public StringBuffer generateHTML() {
  		List Vforms = ((Repeat) fe).virtualFormExpansion();
  		int i = 0;
  		StringBuffer table = new StringBuffer();
  			FormControl[] headFCs = ((Repeat) fe).getChildren();
  			if (headFCs[0] instanceof Group){
  				headFCs = ((Group) headFCs[0]).getChildren();
  			}
  		StringBuffer title = getLabelModel().getImgText();
  		if (title.length() > 0){
  			//  add label (spanning first row)
  			Properties head = new Properties();
  			head.put("class", "repeatLabel");
  			if (headFCs.length > 1)
  				head.put("colspan", Integer.toString(headFCs.length));
  			table.append(tag("tr", tag("th", title, head), null));
  		}
  		// and row headers
  		StringBuffer th = new StringBuffer();
  		for (int j = 0; j < headFCs.length; j++) {
  			FormControlModel fcm = (FormControlModel) getRenderer().getModelMapper().getModelFor(headFCs[j]);
  			StringBuffer label = fcm.getLabelModel().getImgText();
  			Properties lp = new Properties();
  			lp.put("class", "repeatColLabel");
  			th.append(tag("th", label, lp));
  		}
  		table.append(tag("tr", th, null));
  		for (Iterator it = Vforms.iterator(); it.hasNext();) {
  			Form f = (Form) it.next();
  			StringBuffer rowHTML = new StringBuffer();
  			FormControl[] fcs = f.getIOControls().getChildren();
  			for (int col = 0; col < fcs.length; col++) {
  				rowHTML.append(tag("td",
  				// don't add labels on cells
  						((FormControlModel) getModelFor(fcs[col]))
  								.generateHTMLWithoutLabel(), null));
  			}
  			table.append(tag("tr", rowHTML, null));
  			i++;
  		}
  		fcProps.put("class", "repeat");
  		return tag("table", table, fcProps);
  	}
  
  }