com.tysanclan.site.projectewok.components.IconLink.java Source code

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Here is the source code for com.tysanclan.site.projectewok.components.IconLink.java

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/**
 * Tysan Clan Website
 * Copyright (C) 2008-2013 Jeroen Steenbeeke and Ties van de Ven
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.tysanclan.site.projectewok.components;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.injection.Injector;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.image.ContextImage;
import org.apache.wicket.markup.html.link.AbstractLink;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IDetachable;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

/**
 * @author Jeroen Steenbeeke
 */
public class IconLink extends Panel {
    private static final long serialVersionUID = 1L;

    public static class Builder {
        private final String iconPath;
        private final ClickResponder responder;
        private boolean imageVisible = true;

        private String text = null;
        private boolean enabled = true;

        public Builder(String iconPath, ClickResponder responder) {
            this.iconPath = iconPath;
            this.responder = responder;

        }

        public Builder setText(String text) {
            this.text = text;
            return this;
        }

        public IconLink newInstance(String id) {
            IconLink instance = new IconLink(id);

            AbstractLink responderLink = instance.createResponderLink(responder);

            responderLink.add(new ContextImage("icon", iconPath).setVisible(imageVisible));
            if (text == null) {
                responderLink.add(new WebMarkupContainer("text").setVisible(false));
            } else {
                responderLink.add(new Label("text", text));
            }
            responderLink.setEnabled(enabled);

            instance.add(responderLink);

            return instance;
        }

        public Builder setImageVisible(boolean b) {
            imageVisible = b;
            return this;
        }

        public Builder setEnabled(boolean enabled) {
            this.enabled = enabled;
            return this;
        }

    }

    protected IconLink(String id) {
        super(id);
    }

    protected AbstractLink createResponderLink(ClickResponder responder) {
        AbstractLink responderLink = null;

        if (responder.isUseAjax()) {
            responderLink = new AjaxLink<ClickResponder>("link", new Model<ClickResponder>(responder)) {
                private static final long serialVersionUID = 1L;

                /**
                 * @see org.apache.wicket.Component#onDetach()
                 */
                @Override
                protected void onDetach() {
                    super.onDetach();

                    ClickResponder cr = getModelObject();
                    cr.detach();
                }

                @Override
                public void onClick(AjaxRequestTarget target) {
                    ClickResponder cr = getModelObject();
                    Injector.get().inject(cr);
                    cr.onClick(target);
                }
            };
        } else {
            responderLink = new Link<ClickResponder>("link", new Model<ClickResponder>(responder)) {
                private static final long serialVersionUID = 1L;

                @Override
                public void onClick() {
                    ClickResponder cr = getModelObject();
                    Injector.get().inject(cr);

                    cr.onClick(null);
                }
            };
        }

        return responderLink;
    }

    public static interface ClickResponder extends IDetachable {
        public void onClick(AjaxRequestTarget target);

        public boolean isUseAjax();
    }

    public static abstract class DefaultClickResponder<T> implements ClickResponder {
        private static final long serialVersionUID = 1L;

        private final IModel<T> model;

        /**
         * 
         */
        public DefaultClickResponder() {
            this.model = null;
        }

        /**
         * 
         */
        public DefaultClickResponder(IModel<T> model) {
            this.model = model;
        }

        /**
         * @see com.tysanclan.site.projectewok.components.IconLink.ClickResponder#isUseAjax()
         */
        @Override
        public boolean isUseAjax() {
            return false;
        }

        /**
         * @see com.tysanclan.site.projectewok.components.IconLink.ClickResponder#onClick(org.apache.wicket.ajax.AjaxRequestTarget)
         */
        @Override
        public void onClick(AjaxRequestTarget target) {
            onClick();
        }

        public void onClick() {

        }

        /**
         * @return the model
         */
        public IModel<T> getModel() {
            return model;
        }

        public T getModelObject() {
            return model != null ? model.getObject() : null;
        }

        protected void onDetach() {
            // Template method
        }

        /**
         * @see org.apache.wicket.model.IDetachable#detach()
         */
        @Override
        public final void detach() {
            if (model != null) {
                model.detach();
            }

            onDetach();
        }
    }
}