org.wicketstuff.datatable_autocomplete.button.DTAButton Maven / Gradle / Ivy

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The Datatable autocomplete project provides a Trie datastructure that allows AJAX searches on large datasets fast. It is not memory efficient but it is fast especially to know how many results a given prefix matches. Provides a Datatable component when tied to a textfield will show the matched objects in a table format.

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/*
 * 
 * ==============================================================================
 * 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 org.wicketstuff.datatable_autocomplete.button;

import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.model.Model;
import org.wicketstuff.datatable_autocomplete.form.action.IFormOnSubmitAction;


/**
 * @author mocleiri
 * 
 *         Data Table Autocomplete button that extends the standard wicket button to support
 *         IOnFormSubmitAction actions.
 * 
 */
public class DTAButton extends Button implements DTAButtonProvider
{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1829825558587963971L;

	private IFormOnSubmitAction submitAction = null;


	/**
	 * @param id
	 */
	public DTAButton(String id, String label, IFormOnSubmitAction submitAction)
	{


		super(id, Model.of(label));
		this.submitAction = submitAction;

	}

	public DTAButton(String id, String label)
	{

		this(id, label, null);

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.apache.wicket.markup.html.form.Button#onComponentTag(org.apache.wicket.markup.ComponentTag
	 * )
	 */
	@Override
	protected void onComponentTag(ComponentTag tag)
	{

		// this allows the button to be used in a repeater
		tag.setName("input");
		tag.setHasNoCloseTag(true);


		super.onComponentTag(tag);

		tag.getAttributes().put("type", "submit");
	}


	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.wicket.markup.html.form.Button#onSubmit()
	 */
	@Override
	public void onSubmit()
	{


		if (submitAction != null)
			submitAction.onSubmit(null, getForm());


	}


	/**
	 * @param submitAction
	 *            the submitAction to set
	 */
	public void setSubmitAction(IFormOnSubmitAction submitAction)
	{

		this.submitAction = submitAction;
	}


	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.wicket.Component#onBeforeRender()
	 */
	@Override
	protected void onBeforeRender()
	{

		/*
		 * Defaults to hidden if there is no action defined.
		 */
		if (submitAction == null)
			setVisible(false);
		else
			setVisible(true);

		super.onBeforeRender();
	}

	public Button getButton()
	{

		if (!getId().equals(DTAButtonProvider.BUTTON_ID))
		{
			// this is a problem
			throw new RuntimeException("ID of button (" + getId() +
				" != DTAButtonProvider.BUTTON_ID");
		}

		return this;
	}


}