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Java > Open Source Codes > org > objectstyle > cayenne > modeler > action > GenerateDBAction


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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54  * <http://objectstyle.org/>.
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56 package org.objectstyle.cayenne.modeler.action;
57
58 import java.awt.event.ActionEvent JavaDoc;
59
60 import org.objectstyle.cayenne.map.DataMap;
61 import org.objectstyle.cayenne.modeler.Application;
62 import org.objectstyle.cayenne.modeler.dialog.db.DBGeneratorOptions;
63 import org.objectstyle.cayenne.modeler.dialog.db.DataSourceWizard;
64 import org.objectstyle.cayenne.modeler.pref.DBConnectionInfo;
65 import org.objectstyle.cayenne.project.ProjectPath;
66
67 /**
68  * Action that generates database tables from a DataMap.
69  */
70 public class GenerateDBAction extends DBWizardAction {
71
72     public static String JavaDoc getActionName() {
73         return "Generate Database Schema";
74     }
75
76     public GenerateDBAction(Application application) {
77         super(getActionName(), application);
78     }
79
80     public void performAction(ActionEvent JavaDoc e) {
81
82         DBConnectionInfo nodeInfo = preferredDataSource();
83         String JavaDoc nodeKey = preferredDataSourceLabel(nodeInfo);
84
85         DataSourceWizard connectWizard = new DataSourceWizard(
86                 getProjectController(),
87                 "Generate DB Schema: Connect to Database",
88                 nodeKey,
89                 nodeInfo);
90
91         if (!connectWizard.startupAction()) {
92             // canceled
93 return;
94         }
95
96         DataMap map = getProjectController().getCurrentDataMap();
97
98         // sanity check
99 if (map == null) {
100             throw new IllegalStateException JavaDoc("No current DataMap selected.");
101         }
102
103         // ... show dialog...
104 new DBGeneratorOptions(
105                 getProjectController(),
106                 "Generate DB Schema: Options",
107                 connectWizard.getConnectionInfo(),
108                 map).startupAction();
109     }
110
111     /**
112      * Returns <code>true</code> if path contains a DataMap object.
113      */
114     public boolean enableForPath(ProjectPath path) {
115         if (path == null) {
116             return false;
117         }
118
119         return path.firstInstanceOf(DataMap.class) != null;
120     }
121 }
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