com.github.bordertech.wcomponents.examples.AutoReFocusRepeaterExample Maven / Gradle / Ivy

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package com.github.bordertech.wcomponents.examples;

import com.github.bordertech.wcomponents.Request;
import com.github.bordertech.wcomponents.WAjaxControl;
import com.github.bordertech.wcomponents.WContainer;
import com.github.bordertech.wcomponents.WDataRenderer;
import com.github.bordertech.wcomponents.WHorizontalRule;
import com.github.bordertech.wcomponents.WRepeater;
import java.util.ArrayList;
import java.util.List;

/**
 * 
 * This example demonstrates that focus will be returned to the control which triggered the form submit after a round
 * trip to the server completes.
 *
 * 
 * This example is similar to the {@link AutoReFocusExample}, except that it demonstrates that focus is correctly set
 * even when the components are repeated.
 *
 * @author Martin Shevchenko
 * @since 1.0.0
 */
public class AutoReFocusRepeaterExample extends WContainer {

	/**
	 * The repeater used in this example.
	 */
	private final WRepeater repeater = new WRepeater(new FocusRepeatRenderer());

	/**
	 * Creates an AutoReFocusRepeaterExample.
	 */
	public AutoReFocusRepeaterExample() {
		add(repeater);
	}

	/**
	 * Override preparePaintComponent in order to set up the example data the first time through.
	 *
	 * @param request the request being responded to.
	 */
	@Override
	public void preparePaintComponent(final Request request) {
		if (!this.isInitialised()) {
			List dummyList = new ArrayList<>(2);
			dummyList.add("a");
			dummyList.add("b");

			repeater.setData(dummyList);

			this.setInitialised(true);
		}
	}

	/**
	 * The render to use with the repeater in this example.
	 *
	 * @author Martin Shevchenko
	 */
	public static class FocusRepeatRenderer extends WDataRenderer {

		/**
		 * Creates a FocusRepeatRenderer.
		 */
		public FocusRepeatRenderer() {
			add(new AutoReFocusExample());
			WRadioButtonTriggerActionExample rbExample = new WRadioButtonTriggerActionExample();
			add(rbExample);
			add(new WAjaxControl(rbExample.getRadioButtonGroup(), rbExample));
			add(new WHorizontalRule());
		}
	}
}