package org.jtheque.core.managers.view.impl.components.renderers;

 /*

  * This file is part of JTheque.

  *

  * JTheque 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.

  *

  * JTheque 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 JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 import org.jdesktop.swingx.JXHyperlink;

 import org.jtheque.core.managers.Managers;

 import org.jtheque.core.managers.language.ILanguageManager;

 import org.jtheque.core.managers.module.beans.ModuleContainer;

 import org.jtheque.core.managers.update.IUpdateManager;

 import org.jtheque.core.managers.view.able.IViewManager;

 import org.jtheque.core.managers.view.impl.actions.utils.OpenSiteLinkAction;

 import org.jtheque.core.utils.ui.PanelBuilder;

 import org.jtheque.utils.ui.GridBagUtils;

 import javax.swing.JLabel;

 import javax.swing.JList;

 import javax.swing.JPanel;

 import javax.swing.ListCellRenderer;

 import java.awt.Color;

 import java.awt.Component;

 import java.awt.Font;

 /**

  * A renderer to display a module in a list.

  *

  * @author Baptiste Wicht

  */

 public final class ModuleListRenderer extends JPanel implements ListCellRenderer {

     private final JLabel labelName;

     private final JLabel labelAuthor;

     private JLabel labelDate;

     private JLabel labelState;

     private JLabel labelCurrentVersion;

     private JLabel labelOnlineVersion;

     private JXHyperlink labelSite;

     private Component labelStateText;

     private Component labelDateText;

     private Component labelSiteText;

     private Component labelCurrentVersionText;

     private Component labelOnlineVersionText;

     private static final int TITLE_FONT_SIZE = 16;

     /**

      * Construct a new ModuleListRenderer.

      */

     public ModuleListRenderer() {

         super();

         PanelBuilder builder = new PanelBuilder(this);

         labelName = builder.add(new JLabel(), builder.gbcSet(0, 0, GridBagUtils.HORIZONTAL, GridBagUtils.BASELINE_LEADING, 2, 1));

         labelName.setFont(labelName.getFont().deriveFont(Font.BOLD, TITLE_FONT_SIZE));

         labelAuthor = builder.add(new JLabel(), builder.gbcSet(4, 0, GridBagUtils.HORIZONTAL, GridBagUtils.BASELINE_LEADING, 2, 1));

         addStateLabels(builder);

         addDateLabels(builder);

         addSiteLabels(builder);

         addCurrentVersionLabels(builder);

         addOnlineVersionLabels(builder);

     }

     /**

      * Add the online version label.

      *

      * @param builder The panel builder.

      */

     private void addOnlineVersionLabels(PanelBuilder builder) {

         labelOnlineVersionText = builder.addI18nLabel("modules.view.label.versions.online", builder.gbcSet(2, 2));

         labelOnlineVersion = builder.addLabel("", builder.gbcSet(3, 2, GridBagUtils.NONE, GridBagUtils.BASELINE_LEADING, 3, 1));

     }

     /**

      * Add the current version label.

      *

      * @param builder The panel builder.

      */

     private void addCurrentVersionLabels(PanelBuilder builder) {

         labelCurrentVersionText = builder.addI18nLabel("modules.view.label.versions.current", builder.gbcSet(0, 2));

         labelCurrentVersion = builder.add(new JLabel(), builder.gbcSet(1, 2));

     }

     /**

      * Add the sites version label.

      *

      * @param builder The panel builder.

      */

     private void addSiteLabels(PanelBuilder builder) {

         labelSiteText = builder.addI18nLabel("modules.view.label.site", builder.gbcSet(2, 1));

         labelSite = builder.add(new JXHyperlink(), builder.gbcSet(3, 1, GridBagUtils.NONE, GridBagUtils.BASELINE_LEADING, 3, 1));

     }

     /**

      * Add the state version label.

      *

      * @param builder The panel builder.

      */

     private void addStateLabels(PanelBuilder builder) {

         labelStateText = builder.addI18nLabel("modules.view.label.state", builder.gbcSet(2, 0));

         labelState = builder.add(new JLabel(), builder.gbcSet(3, 0));

     }

     /**

      * Add the date version label.

      *

      * @param builder The panel builder.

      */

     private void addDateLabels(PanelBuilder builder) {

         labelDateText = builder.addI18nLabel("modules.view.label.date", builder.gbcSet(0, 1));

         labelDate = builder.add(new JLabel(), builder.gbcSet(1, 1));

     }

     @Override

     public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

         updateUI(isSelected);

         updateInfos(value);

         return this;

     }

     /**

      * Update the UI.

      *

      * @param isSelected A boolean flag indicating if the current element is selected or not.

      */

     private void updateUI(boolean isSelected) {

         if (isSelected) {

             setBackground(Managers.getManager(IViewManager.class).getViewDefaults().getSelectedBackgroundColor());

             setChildsForeground(Managers.getManager(IViewManager.class).getViewDefaults().getSelectedForegroundColor());

         } else {

             setBackground(Managers.getManager(IViewManager.class).getViewDefaults().getBackgroundColor());

             setChildsForeground(Managers.getManager(IViewManager.class).getViewDefaults().getForegroundColor());

         }

         labelOnlineVersion.setBackground(getBackground());

     }

     /**

      * Update the informations with the module informations.

      *

      * @param value The module information object.

      */

     private void updateInfos(Object value) {

         ModuleContainer module = (ModuleContainer) value;

         labelName.setText(module.getName());

         labelAuthor.setText(Managers.getManager(ILanguageManager.class).getMessage("modules.view.label.author") + " : " +

                 module.getAuthor());

         labelCurrentVersion.setText(module.getInfos().version());

         labelState.setText(module.getState().toString());

         setToolTipText(module.getDescription());

         setModuleDefinitionInfos(module);

     }

     /**

      * Update the informations with the module definition.

      *

      * @param module The module to get the informations from.

      */

     private void setModuleDefinitionInfos(ModuleContainer module) {

         if (module.getInfos().date() == null || module.getInfos().date().isEmpty()) {

             labelDate.setText("");

         } else {

             labelDate.setText(module.getInfos().date());

         }

         if (module.getInfos().url() == null || module.getInfos().url().isEmpty()) {

             labelSite.setAction(null);

         } else {

             labelSite.setAction(new OpenSiteLinkAction(module.getInfos().url()));

         }

         labelOnlineVersion.setText(Managers.getManager(IUpdateManager.class).getMostRecentVersion(module).getVersion());

     }

     /**

      * Set the foregound of the childs.

      *

      * @param color The foreground color.

      */

     private void setChildsForeground(Color color) {

         labelName.setForeground(color);

         labelAuthor.setForeground(color);

         labelDate.setForeground(color);

         labelSite.setForeground(color);

         labelCurrentVersion.setForeground(color);

         labelCurrentVersionText.setForeground(color);

         labelOnlineVersion.setForeground(color);

         labelOnlineVersionText.setForeground(color);

         labelDateText.setForeground(color);

         labelSiteText.setForeground(color);

         labelState.setForeground(color);

         labelStateText.setForeground(color);

     }

 }