content: /*****************************************************************
   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   ****************************************************************/
  
  package org.apache.cayenne.modeler.editor;
  
  import org.apache.cayenne.map.Attribute;
  import org.apache.cayenne.map.Entity;
  import org.apache.cayenne.map.ObjAttribute;
  import org.apache.cayenne.map.ObjEntity;
  import org.apache.cayenne.map.ObjRelationship;
  import org.apache.cayenne.map.Relationship;
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.action.ActionManager;
  import org.apache.cayenne.modeler.action.RemoveAttributeAction;
  import org.apache.cayenne.modeler.action.RemoveCallbackMethodAction;
  import org.apache.cayenne.modeler.action.RemoveRelationshipAction;
  import org.apache.cayenne.modeler.event.AttributeDisplayEvent;
  import org.apache.cayenne.modeler.event.EntityDisplayEvent;
  import org.apache.cayenne.modeler.event.ObjAttributeDisplayListener;
  import org.apache.cayenne.modeler.event.ObjEntityDisplayListener;
  import org.apache.cayenne.modeler.event.ObjRelationshipDisplayListener;
  import org.apache.cayenne.modeler.event.RelationshipDisplayEvent;
  
  import javax.swing.JScrollPane;
  import javax.swing.JTabbedPane;
  import javax.swing.event.ChangeEvent;
  import javax.swing.event.ChangeListener;
  import java.awt.Component;
  
  /**
   * Tabbed ObjEntity editor panel.
   * 
   */
  public class ObjEntityTabbedView extends JTabbedPane implements ObjEntityDisplayListener,
          ObjRelationshipDisplayListener, ObjAttributeDisplayListener {
  
      protected ProjectController projectController;
  
      protected Component entityPanel;
      protected ObjEntityAttributeRelationshipTab attributeRelationshipTab;
  
      /**
       * callback methods on ObjEntity tab
       */
      protected AbstractCallbackMethodsTab callbacksPanel;
  
      public ObjEntityTabbedView(ProjectController projectController) {
          super();
          this.projectController = projectController;
  
          initView();
          initController();
      }
  
      private void initView() {
          setTabPlacement(JTabbedPane.TOP);
  
          // add panels to tabs
          // note that those panels that have no internal scrollable tables
          // must be wrapped in a scroll pane
  
          entityPanel = new JScrollPane(new ObjEntityTab(projectController));
          addTab("Entity", entityPanel);
  
          attributeRelationshipTab = new ObjEntityAttributeRelationshipTab(projectController);
          addTab("Properties", attributeRelationshipTab);
  
          callbacksPanel = new ObjEntityCallbackMethodsTab(projectController);
          addTab("Callbacks", callbacksPanel);
      }
  
      private void initController() {
          projectController.addObjEntityDisplayListener(this);
          projectController.addObjAttributeDisplayListener(this);
          projectController.addObjRelationshipDisplayListener(this);
  
          addChangeListener(new ChangeListener() {
  
              public void stateChanged(ChangeEvent e) {
                  resetRemoveButtons();
  
                  projectController.setEntityTabSelection(getSelectedIndex());
  
                  Component selected = getSelectedComponent();
                  while (selected instanceof JScrollPane) {
                      selected = ((JScrollPane) selected).getViewport().getView();
                  }
  
                  if (selected instanceof ExistingSelectionProcessor) {
                      ((ExistingSelectionProcessor) selected).processExistingSelection(e);
                  }
              }
          });
      }
  
      /** Reset the remove buttons */
      private void resetRemoveButtons() {
          ActionManager actionManager = Application.getInstance().getActionManager();
  
          actionManager.getAction(RemoveAttributeAction.class).setEnabled(false);
          actionManager.getAction(RemoveRelationshipAction.class).setEnabled(false);
          actionManager.getAction(RemoveCallbackMethodAction.class).setEnabled(false);
      }
  
      public void currentObjEntityChanged(EntityDisplayEvent e) {
          Entity<?,?,?> entity = e.getEntity();
  
          if (e.isMainTabFocus() && entity instanceof ObjEntity) {
              if (getSelectedComponent() != entityPanel) {
                  setSelectedComponent(entityPanel);
                  entityPanel.setVisible(true);
              }
          }
  
          resetRemoveButtons();
          setVisible(e.getEntity() != null);
  
          if (getRootPane() != null) {
              if (projectController.getEntityTabSelection() < getTabCount()) {
                  setSelectedIndex(projectController.getEntityTabSelection());
              }
          }
      }
  
      public void currentObjRelationshipChanged(RelationshipDisplayEvent e) {
          if (e.getEntity() == null) {
              return;
          }
  
          // update relationship selection
          Relationship<?,?,?>[] rels = e.getRelationships();
          ObjRelationship[] objRels = new ObjRelationship[rels.length];
  
          System.arraycopy(rels, 0, objRels, 0, rels.length);
  
          if (getSelectedComponent() != attributeRelationshipTab.getSplitPane().getComponent(1) && objRels.length > 0) {
              setSelectedComponent(attributeRelationshipTab);
              attributeRelationshipTab.getSplitPane().getComponent(1).setVisible(true);
          }
  
          ((ObjEntityRelationshipPanel) attributeRelationshipTab.getSplitPane().getComponent(1)).selectRelationships(objRels);
          attributeRelationshipTab.updateActions(objRels);
      }
  
      public void currentObjAttributeChanged(AttributeDisplayEvent e) {
          if (e.getEntity() == null)
              return;
  
          // update attribute selection
          Attribute<?,?,?>[] attrs = e.getAttributes();
          ObjAttribute[] objAttrs = new ObjAttribute[attrs.length];
  
          System.arraycopy(attrs, 0, objAttrs, 0, attrs.length);
  
          if (getSelectedComponent() != attributeRelationshipTab.getSplitPane().getComponent(0) && objAttrs.length > 0) {
              setSelectedComponent(attributeRelationshipTab);
              attributeRelationshipTab.getSplitPane().getComponent(0).setVisible(true);
          }
  
          ((ObjEntityAttributePanel) attributeRelationshipTab.getSplitPane().getComponent(0)).selectAttributes(objAttrs);
          attributeRelationshipTab.updateActions(objAttrs);
      }
  
      public ObjEntityAttributeRelationshipTab getAttributeRelationshipTab() {
          return attributeRelationshipTab;
      }
  }
  