net.ftlines.wicket.fullcalendar.callback.AbstractAjaxCallbackWithClientsideRevert Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of wicket-fullcalendar-core Show documentation

Provides a Wicket frontend to the FullCalendar JavaScript library

There is a newer version: 4.2

Show newest version

/**
 * 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 net.ftlines.wicket.fullcalendar.callback;

import java.util.UUID;

import org.apache.wicket.ajax.AjaxRequestTarget;


abstract class AbstractAjaxCallbackWithClientsideRevert extends AbstractAjaxCallback
{
	private String uuid = "u" + UUID.randomUUID().toString().replace("-", "");

	protected abstract String getRevertScript();

	protected abstract boolean onEvent(AjaxRequestTarget target);


	private String getRevertScriptBlock()
	{
		return "{" + getRevertScript() + ";}";
	}


	@Override
	protected final void respond(AjaxRequestTarget target)
	{
		boolean result = onEvent(target);
		target.prependJavascript(String.format("$.data(document, '%s', %s);", uuid, String.valueOf(result)));
	}

	@Override
	protected final CharSequence getFailureScript()
	{
		return getRevertScriptBlock();
	}

	@Override
	protected final CharSequence getSuccessScript()
	{
		return String.format("if (false===$.data(document, '%s')) %s $.removeData(document, '%s');", uuid,
			getRevertScriptBlock(), uuid);
	}

}