TextElementRenderer.java

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.  
* <p>
*/ 
package org.olat.core.gui.components.form.flexible.impl.elements;

import org.apache.commons.lang.StringEscapeUtils;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.DefaultComponentRenderer;
import org.olat.core.gui.components.form.flexible.impl.FormJSHelper;
import org.olat.core.gui.render.RenderResult;
import org.olat.core.gui.render.Renderer;
import org.olat.core.gui.render.StringOutput;
import org.olat.core.gui.render.URLBuilder;
import org.olat.core.gui.translator.Translator;

/**
 * Description:<br>
 * TODO: patrickb Class Description for TextElementRenderer
 * <P>
 * Initial Date: 08.12.2006 <br>
 * 
 * @author patrickb
 */
class TextElementRenderer extends DefaultComponentRenderer {

	/**
	 * @see org.olat.core.gui.components.ComponentRenderer#render(org.olat.core.gui.render.Renderer,
	 *      org.olat.core.gui.render.StringOutput,
	 *      org.olat.core.gui.components.Component,
	 *      org.olat.core.gui.render.URLBuilder,
	 *      org.olat.core.gui.translator.Translator,
	 *      org.olat.core.gui.render.RenderResult, java.lang.String[])
	 */
	@Override
	public void render(Renderer renderer, StringOutput sb, Component source, URLBuilder ubu, Translator translator,
			RenderResult renderResult, String[] args) {

		TextElementComponent teC = (TextElementComponent) source;
		TextElementImpl te = teC.getTextElementImpl();
		String id = teC.getFormDispatchId();

		String value = te.getValue();
		if(value == null){
			value = "";
		}
		StringBuilder htmlVal = new StringBuilder();
		htmlVal.append(StringEscapeUtils.escapeHtml(value));
		if (source.isEnabled()) {
			//read write view			
			sb.append("<input type=\"").append(te.getHtmlInputType()).append("\" id=\"").append(id)
			  .append("\" name=\"").append(id)
			  .append("\" class='form-control' size=\"").append(te.displaySize);
			if(te.maxlength > -1){
				sb.append("\" maxlength=\"");
				sb.append(te.maxlength);
			}
			sb.append("\" value=\"").append(htmlVal).append("\" ")
			  .append(FormJSHelper.getRawJSFor(te.getRootForm(), id, te.getAction()));
			
			if (te.hasPlaceholder()) {
				sb.append(" placeholder=\"").append(te.getPlaceholder()).append("\"");
			}
			
			if (te.hasFocus()) {
				sb.append(" autofocus");
			}
			
			sb.append(" />");
			
			//add set dirty form only if enabled
			FormJSHelper.appendFlexiFormDirty(sb, te.getRootForm(), teC.getFormDispatchId());	
		} else {
			//read only view
			sb.append("<span id=\"").append(id).append("_wp\" ")
			  .append(FormJSHelper.getRawJSFor(te.getRootForm(), id, te.getAction()))
			  .append(" title=\"").append(htmlVal) //the uncutted value in tooltip
			  .append("\" ").append(" >");
			// use the longer from display size or real value length
			int size = (te.displaySize > value.length() ? te.displaySize : value.length());
			sb.append("<input id=\"").append(id).append("\" type=\"").append(te.getHtmlInputType())
			  .append("\" disabled=\"disabled\" class=\"form-control o_disabled\" size=\"")
			  .append(size)
			  .append("\" value=\"").append(htmlVal).append("\" />")
			  .append("</span>");
		}
	}
}