ConditionalInputBehavior.java

package fr.openwide.core.wicket.more.markup.html.template.js.jquery.plugins.conditionalinput;

import org.apache.wicket.Component;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.markup.html.form.Check;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.markup.html.form.Radio;
import org.wicketstuff.wiquery.core.javascript.JsStatement;
import org.wicketstuff.wiquery.core.javascript.JsUtils;

import fr.openwide.core.wicket.more.markup.html.template.js.jquery.plugins.util.JQueryAbstractBehavior;

public class ConditionalInputBehavior extends JQueryAbstractBehavior {
	
	private static final long serialVersionUID = 4865316523856192642L;
	
	private static final String CONDITIONAL_INPUT = "conditionalInput";
	
	private final ConditionalInputOptions options;
	
	public ConditionalInputBehavior(CheckBox enableOption, ConditionalInputAction action) {
		this((Component)enableOption, action);
	}
	
	public ConditionalInputBehavior(Check<?> enableOption, ConditionalInputAction action) {
		this((Component)enableOption, action);
	}
	
	public ConditionalInputBehavior(Radio<?> enableOption, ConditionalInputAction action) {
		this((Component)enableOption, action);
	}
	
	private ConditionalInputBehavior(Component enableOption, ConditionalInputAction action) {
		super();
		options = new ConditionalInputOptions(enableOption, action);
	}
	
	@Override
	public boolean isEnabled(Component component) {
		return component.isVisibleInHierarchy() /** Il ne faut pas tester isEnabledInHierarchy(), on peut vouloir activer la behavior même lorsque le composant est désactivé */;
	}
	
	@Override
	public void renderHead(Component component, IHeaderResponse response) {
		response.render(JavaScriptHeaderItem.forReference(ConditionalInputJavaScriptResourceReference.get()));
		
		response.render(OnDomReadyHeaderItem.forScript(statement().render()));
	}
	
	public JsStatement statement() {
		return new JsStatement().$(getComponent()).chain(CONDITIONAL_INPUT, JsUtils.quotes("init"), options.getJavaScriptOptions());
	}
}