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Java > Open Source Codes > org > objectstyle > cayenne > modeler > editor > ObjEntityTabbedView


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
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6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
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10  * modification, are permitted provided that the following conditions
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22  * must include the following acknowlegement:
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24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
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52  * individuals and hosted on ObjectStyle Group web site. For more
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54  * <http://objectstyle.org/>.
55  */
56 package org.objectstyle.cayenne.modeler.editor;
57
58 import java.awt.Component JavaDoc;
59
60 import javax.swing.JScrollPane JavaDoc;
61 import javax.swing.JTabbedPane JavaDoc;
62 import javax.swing.event.ChangeEvent JavaDoc;
63 import javax.swing.event.ChangeListener JavaDoc;
64
65 import org.objectstyle.cayenne.map.Attribute;
66 import org.objectstyle.cayenne.map.ObjAttribute;
67 import org.objectstyle.cayenne.map.ObjRelationship;
68 import org.objectstyle.cayenne.map.Relationship;
69 import org.objectstyle.cayenne.modeler.Application;
70 import org.objectstyle.cayenne.modeler.ProjectController;
71 import org.objectstyle.cayenne.modeler.action.RemoveAttributeAction;
72 import org.objectstyle.cayenne.modeler.action.RemoveRelationshipAction;
73 import org.objectstyle.cayenne.modeler.event.AttributeDisplayEvent;
74 import org.objectstyle.cayenne.modeler.event.EntityDisplayEvent;
75 import org.objectstyle.cayenne.modeler.event.ObjAttributeDisplayListener;
76 import org.objectstyle.cayenne.modeler.event.ObjEntityDisplayListener;
77 import org.objectstyle.cayenne.modeler.event.ObjRelationshipDisplayListener;
78 import org.objectstyle.cayenne.modeler.event.RelationshipDisplayEvent;
79
80 /**
81  * Tabbed ObjEntity editor panel.
82  *
83  * @author Michael Misha Shengaout
84  * @author Andrei Adamchik
85  */
86 public class ObjEntityTabbedView extends JTabbedPane JavaDoc implements ObjEntityDisplayListener,
87         ObjRelationshipDisplayListener, ObjAttributeDisplayListener {
88
89     protected ProjectController mediator;
90     protected ObjEntityRelationshipTab relationshipsPanel;
91     protected ObjEntityAttributeTab attributesPanel;
92
93     public ObjEntityTabbedView(ProjectController mediator) {
94         this.mediator = mediator;
95
96         initView();
97         initController();
98     }
99
100     private void initView() {
101         setTabPlacement(JTabbedPane.TOP);
102
103         // add panels to tabs
104 // note that those panels that have no internal scrollable tables
105 // must be wrapped in a scroll pane
106
107         ObjEntityTab entityPanel = new ObjEntityTab(mediator);
108         addTab("Entity", new JScrollPane JavaDoc(entityPanel));
109         
110         attributesPanel = new ObjEntityAttributeTab(mediator);
111         addTab("Attributes", attributesPanel);
112         
113         relationshipsPanel = new ObjEntityRelationshipTab(mediator);
114         addTab("Relationships", relationshipsPanel);
115     }
116
117     private void initController() {
118         mediator.addObjEntityDisplayListener(this);
119         mediator.addObjAttributeDisplayListener(this);
120         mediator.addObjRelationshipDisplayListener(this);
121
122         addChangeListener(new ChangeListener JavaDoc() {
123
124             public void stateChanged(ChangeEvent JavaDoc e) {
125                 resetRemoveButtons();
126                 Component JavaDoc selected = getSelectedComponent();
127                 while (selected instanceof JScrollPane JavaDoc) {
128                     selected = ((JScrollPane JavaDoc) selected).getViewport().getView();
129                 }
130
131                 ((ExistingSelectionProcessor) selected).processExistingSelection(e);
132             }
133         });
134     }
135
136     /** Reset the remove buttons */
137     private void resetRemoveButtons(){
138         Application app = Application.getInstance();
139         app.getAction(RemoveAttributeAction.getActionName()).setEnabled(false);
140         app.getAction(RemoveRelationshipAction.getActionName()).setEnabled(false);
141     }
142
143     public void currentObjEntityChanged(EntityDisplayEvent e) {
144         resetRemoveButtons();
145         setVisible(e.getEntity() != null);
146     }
147
148     public void currentObjRelationshipChanged(RelationshipDisplayEvent e) {
149         if (e.getEntity() == null) {
150             return;
151         }
152
153         // update relationship selection
154 Relationship rel = e.getRelationship();
155         if (rel instanceof ObjRelationship) {
156             if (getSelectedComponent() != relationshipsPanel) {
157                 setSelectedComponent(relationshipsPanel);
158                 relationshipsPanel.setVisible(true);
159             }
160             relationshipsPanel.selectRelationship((ObjRelationship) rel);
161         }
162     }
163
164     public void currentObjAttributeChanged(AttributeDisplayEvent e) {
165         if (e.getEntity() == null)
166             return;
167
168         // update relationship selection
169 Attribute attr = e.getAttribute();
170         if (attr instanceof ObjAttribute) {
171             if (getSelectedComponent() != attributesPanel) {
172                 setSelectedComponent(attributesPanel);
173                 attributesPanel.setVisible(true);
174             }
175             attributesPanel.selectAttribute((ObjAttribute) attr);
176         }
177     }
178 }
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