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


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
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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.access.DataDomain;
61 import org.objectstyle.cayenne.map.DataMap;
62 import org.objectstyle.cayenne.modeler.Application;
63 import org.objectstyle.cayenne.modeler.ProjectController;
64 import org.objectstyle.cayenne.modeler.util.CayenneAction;
65 import org.objectstyle.cayenne.project.NamedObjectFactory;
66 import org.objectstyle.cayenne.project.ProjectPath;
67
68 /**
69  * Action that creates new DataMap in the project.
70  *
71  * @author Misha Shengaout
72  * @author Andrei Adamchik
73  */
74 public class CreateDataMapAction extends CayenneAction {
75
76     public static String JavaDoc getActionName() {
77         return "Create DataMap";
78     }
79
80     public CreateDataMapAction(Application application) {
81         super(getActionName(), application);
82     }
83
84     public String JavaDoc getIconName() {
85         return "icon-datamap.gif";
86     }
87
88     /** Calls addDataMap() or creates new data map if no data node selected.*/
89     protected void createDataMap() {
90         ProjectController mediator = getProjectController();
91         DataDomain currentDomain = mediator.getCurrentDataDomain();
92         
93         // use domain name as DataMap base, as map names must be unique across the project...
94 DataMap map =
95             (DataMap) NamedObjectFactory.createObject(
96                 DataMap.class,
97                 currentDomain,
98                 currentDomain.getName() + "Map");
99         mediator.addDataMap(this, map);
100     }
101
102     public void performAction(ActionEvent JavaDoc e) {
103         createDataMap();
104     }
105
106     /**
107     * Returns <code>true</code> if path contains a DataDomain object.
108     */
109     public boolean enableForPath(ProjectPath path) {
110         if (path == null) {
111             return false;
112         }
113
114         return path.firstInstanceOf(DataDomain.class) != null;
115     }
116 }
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