/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.ui.renderers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import pt.ist.fenixWebFramework.renderers.ObjectLinkRenderer;
import pt.ist.fenixWebFramework.renderers.components.HtmlComponent;
import pt.ist.fenixWebFramework.renderers.components.HtmlText;
import pt.ist.fenixWebFramework.renderers.layouts.Layout;
import pt.ist.fenixWebFramework.renderers.utils.RenderKit;
import pt.ist.fenixWebFramework.renderers.utils.RendererPropertyUtils;
public class ConditionalObjectLinkRenderer extends ObjectLinkRenderer {
/**
* This render is used to create a link out of an object if a given boolean
* property is true. You choose the link format and some properties can be
* used to configure the link. You can also specify the link indirectly by
* specifing a destination and then defining a destination with that name in
* the place were ou use this renderer.
*
* <p>
* The link body is configured through a sub rendering of the object with the specified layout and schema.
*
* <p>
* Example: <a href="#">Jane Doe</a>
*
* @author pcma
*/
private static final Logger logger = LoggerFactory.getLogger(ConditionalObjectLinkRenderer.class);
private String visibleIf;
public String getVisibleIf() {
return visibleIf;
}
public void setVisibleIf(String visibleIf) {
this.visibleIf = visibleIf;
}
@Override
protected Layout getLayout(Object object, Class type) {
final Layout layout = super.getLayout(object, type);
return new Layout() {
@Override
public HtmlComponent createComponent(Object object, Class type) {
Boolean visible = Boolean.FALSE;
try {
visible = (Boolean) RendererPropertyUtils.getProperty(getTargetObject(object), getVisibleIf(), false);
} catch (ClassCastException e) {
logger.error(e.getMessage(), e);
}
if (visible) {
return layout.createComponent(object, type);
} else {
String text = getText();
return (text != null) ? new HtmlText(text) : renderValue(object,
RenderKit.getInstance().findSchema(getSubSchema()), getSubLayout());
}
}
};
}
}