package org.jtheque.primary.controller.impl;

 /*

  * 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.jtheque.core.managers.Managers;

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

 import org.jtheque.core.managers.view.able.components.TabComponent;

 import org.jtheque.core.managers.view.able.controller.AbstractController;

 import org.jtheque.primary.controller.able.ControllerState;

 import org.jtheque.primary.controller.able.FormBean;

 import org.jtheque.primary.controller.able.IPrincipalController;

 import org.jtheque.primary.od.able.Data;

 import javax.swing.JTree;

 import javax.swing.event.TreeSelectionEvent;

 import javax.swing.tree.TreePath;

 import java.util.Collection;

 /**

  * An abstract principal Controller.

  *

  * @author Baptiste Wicht

  */

 public abstract class PrincipalController<T extends Data> extends AbstractController implements IPrincipalController<T> {

         private ControllerState state;

         private final ControllerState viewState;

         private final ControllerState modifyState;

         private final ControllerState newObjectState;

         private final ControllerState autoAddState;

         /**

          * Construct a new PrincipalController.

          *

          * @param viewState The view state.

          * @param modifyState The modify state.

          * @param newObjectState The new state.

          * @param autoAddState The auto add state.

          */

         protected PrincipalController(ControllerState viewState, ControllerState modifyState,

                                                                   ControllerState newObjectState, ControllerState autoAddState){

                 super();

                 this.viewState = viewState;

                 this.modifyState = modifyState;

                 this.newObjectState = newObjectState;

                 this.autoAddState = autoAddState;

                 state = viewState;

         }

         @Override

         public final void displayView(){

                 Managers.getManager(IViewManager.class).getViews().setSelectedView((TabComponent) getView());

                 super.displayView();

         }

         @Override

         public final void valueChanged(TreeSelectionEvent event){

                 TreePath current = ((JTree) event.getSource()).getSelectionPath();

                 if (current != null && current.getLastPathComponent() instanceof Data){

                         T data = (T) current.getLastPathComponent();

                         if (data != null){

                                 view(data);

                         }

                 }

         }

         @Override

         public final void save(FormBean formBean){

                 ControllerState newState = state.save(formBean);

                 if (newState != null){

                         setAndApplyState(newState);

                 }

         }

         @Override

         public final void view(T data){

                 ControllerState newState = state.view(data);

                 if (newState != null){

                         setAndApplyState(newState);

                 }

         }

         @Override

         public final void manualEdit(){

                 ControllerState newState = state.manualEdit();

                 if (newState != null){

                         setAndApplyState(newState);

                 }

         }

         @Override

         public final void create(){

                 ControllerState newState = state.create();

                 if (newState != null){

                         setAndApplyState(newState);

                 }

         }

         @Override

         public final void deleteCurrent(){

                 ControllerState newState = state.delete();

                 if (newState != null){

                         setAndApplyState(newState);

                 }

         }

         @Override

         public final void cancel(){

                 ControllerState newState = state.cancel();

                 if (newState != null){

                         setAndApplyState(newState);

                 }

         }

         @Override

         public final ControllerState getViewState(){

                 return viewState;

         }

         @Override

         public final ControllerState getAutoAddState(){

                 return autoAddState;

         }

         @Override

         public final ControllerState getModifyState(){

                 return modifyState;

         }

         @Override

         public final ControllerState getNewObjectState(){

                 return newObjectState;

         }

         @Override

         public Collection<T> getDisplayList(){

                 return getViewModel().getDisplayList();

         }

         /**

          * Return the state of the controller.

          *

          * @return The state of the controller.

          */

         protected final ControllerState getState(){

                 return state;

         }

         /**

          * Set the state of the controller.

          *

          * @param state The new state to apply.

          */

         protected final void setAndApplyState(ControllerState state){

                 this.state = state;

                 state.apply();

         }

 }