com.userweave.pages.components.button.AddLink.java Source code

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Here is the source code for com.userweave.pages.components.button.AddLink.java

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/*******************************************************************************
 * This file is part of UserWeave.
 *
 *     UserWeave is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Affero General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     UserWeave 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 Affero General Public License for more details.
 *
 *     You should have received a copy of the GNU Affero General Public License
 *     along with UserWeave.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2012 User Prompt GmbH | Psychologic IT Expertise
 *******************************************************************************/
package com.userweave.pages.components.button;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.StringResourceModel;

/**
 * Simple class to show a link with specific markup.
 * 
 * @author opr
 *
 */
public abstract class AddLink extends Panel {
    private static final long serialVersionUID = 1L;

    /**
     * Constants for displaying a predefined label.
     */
    public static final String ADD_METHOD = "add_method";
    public static final String ADD_QUESTION = "add_question";
    public static final String ADD_TERM = "add_term";
    public static final String ADD_ANSWER = "add_answer";
    public static final String ADD_DIMENSION = "add_dimension";

    /**
     * Default constructor.
     * 
     * @param id
     *       Component id.
     * @param labelModel
     *       String to display.
     */
    public AddLink(String id, StringResourceModel labelModel) {
        super(id);

        initLink(labelModel);
    }

    /**
     * Constructor for links where the label title
     * is one of the constants defined in this class. 
     * 
     * @param id
     *       Component id.
     * @param labelTitle
     *       One of this class constants.
     */
    public AddLink(String id, String labelTitle) {
        super(id);

        initLink(new StringResourceModel(labelTitle, this, null));
    }

    /**
     * Initializes this panel with a link.
     * 
     * @param labelModel
     *       StringResourceModel for the label.
     */
    private void initLink(StringResourceModel labelModel) {
        AjaxLink link = new AjaxLink("add") {
            @Override
            public void onClick(AjaxRequestTarget target) {
                AddLink.this.onClick(target);
            }
        };

        add(link);

        link.add(new Label("message", labelModel));
    }

    /**
     * Callback for click events.
     * 
     * @param target
     *       AjaxRequestTarget.
     */
    protected abstract void onClick(AjaxRequestTarget target);
}