com.userweave.pages.configuration.project.projectbrowser.ProjectListViewPanel.java Source code

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Here is the source code for com.userweave.pages.configuration.project.projectbrowser.ProjectListViewPanel.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.configuration.project.projectbrowser;

import java.util.List;

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.link.AbstractLink;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.PageableListView;
import org.apache.wicket.markup.html.navigation.paging.IPageable;
import org.apache.wicket.markup.html.navigation.paging.IPagingLabelProvider;
import org.apache.wicket.markup.html.navigation.paging.PagingNavigation;
import org.apache.wicket.markup.html.navigation.paging.PagingNavigator;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;

import com.userweave.application.images.ImageResource;
import com.userweave.components.callback.EntityEvent;
import com.userweave.components.callback.EventHandler;
import com.userweave.domain.Project;

/**
 * Displays a pageable list of projects.
 * 
 * @author opr
 */
public class ProjectListViewPanel<T extends List<Project>> extends Panel {
    private static final long serialVersionUID = 1L;

    /**
     * Number of projects to display on each page.
     */
    public static final int PROJECT_ROWS = 10;

    /**
     * Default constructor.
     * 
     * @param id
     *       Component markup id.
     * @param projects
     *       List of projects to display.
     * @param callback
     *       Callback to fire on event.
     */
    public ProjectListViewPanel(String id, IModel<List<Project>> projectsModel, final EventHandler callback) {
        super(id, projectsModel);

        PageableListView<Project> publicProjects = new PageableListView<Project>("publicProjects", projectsModel,
                PROJECT_ROWS) {
            private static final long serialVersionUID = 1L;

            @Override
            protected void populateItem(ListItem<Project> item) {
                ProjectListViewPanel.this.populateItem(callback, item);
            }
        };

        PagingNavigator nav = new PagingNavigator("navigator", publicProjects) {
            private static final long serialVersionUID = 1L;

            @Override
            protected PagingNavigation newNavigation(final String id, IPageable pageable,
                    IPagingLabelProvider labelProvider) {
                PagingNavigation nav = super.newNavigation(id, pageable, labelProvider);

                nav.setViewSize(8);

                return nav;
            }
        };

        add(publicProjects);
        add(nav);
    }

    /**
     * Populates the current row of the PageableListView.
     * 
     * @param callback
     *       Callback to fire on event.
     * @param item
     *       The current row to populate.
     */
    protected void populateItem(final EventHandler callback, ListItem<Project> item) {
        final Project project = item.getModelObject();

        AbstractLink select = getProjectSelectLink("select", project, callback);

        select.add(new Label("projectDescription", project.getDescription()));
        select.add(new Label("projectName", project.getName()));

        item.add(select);

        AbstractLink logoSelect = getProjectSelectLink("logoSelect", project, callback);

        logoSelect.add(ImageResource.createImage("logo", project.getLogo()));

        item.add(logoSelect);
    }

    /**
     * Factory method for a link to select a project.
     * 
     * @param id
     *       Component markup id.
     * @param project
     *       Project to open.
     * @param callback
     *       Callback to fire on project select.
     * @return
     */
    private AjaxLink<Void> getProjectSelectLink(String id, final Project project, final EventHandler callback) {
        return new AjaxLink<Void>(id) {
            private static final long serialVersionUID = 1L;

            @Override
            public void onClick(AjaxRequestTarget target) {
                EntityEvent.Selected(target, project).fire(callback);
            }
        };
    }

    /**
     * Shortcut to get porjets form the model.
     * 
     * @return
     *       A list of projects
     */
    protected List<Project> getProjects() {
        return (List<Project>) getDefaultModelObject();
    }
}