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


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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.Procedure;
61 import org.objectstyle.cayenne.map.ProcedureParameter;
62 import org.objectstyle.cayenne.map.event.MapEvent;
63 import org.objectstyle.cayenne.map.event.ProcedureParameterEvent;
64 import org.objectstyle.cayenne.modeler.Application;
65 import org.objectstyle.cayenne.modeler.ProjectController;
66 import org.objectstyle.cayenne.modeler.event.ProcedureParameterDisplayEvent;
67 import org.objectstyle.cayenne.modeler.util.CayenneAction;
68 import org.objectstyle.cayenne.project.NamedObjectFactory;
69 import org.objectstyle.cayenne.project.ProjectPath;
70
71 /**
72  * @author Garry Watkins
73  * @author Andrei Adamchik
74  */
75 public class CreateProcedureParameterAction extends CayenneAction {
76
77     public static String JavaDoc getActionName() {
78         return "Create Parameter";
79     }
80
81     /**
82      * Constructor for CreateProcedureParameterAction.
83      * @param name
84      */
85     public CreateProcedureParameterAction(Application application) {
86         super(getActionName(), application);
87     }
88
89     public String JavaDoc getIconName() {
90         return "icon-plus.gif";
91     }
92
93     /**
94      * Creates ProcedureParameter depending on context.
95      */
96     public void performAction(ActionEvent JavaDoc e) {
97         if (getProjectController().getCurrentProcedure() != null) {
98             createProcedureParameter();
99         }
100     }
101
102     public void createProcedureParameter() {
103         Procedure procedure = getProjectController().getCurrentProcedure();
104
105         ProcedureParameter parameter =
106             (ProcedureParameter) NamedObjectFactory.createObject(
107                 ProcedureParameter.class,
108                 procedure);
109                 
110         procedure.addCallParameter(parameter);
111
112         ProjectController mediator = getProjectController();
113         mediator.fireProcedureParameterEvent(
114             new ProcedureParameterEvent(this, parameter, MapEvent.ADD));
115
116         mediator.fireProcedureParameterDisplayEvent(
117             new ProcedureParameterDisplayEvent(
118                 this,
119                 parameter,
120                 procedure,
121                 mediator.getCurrentDataMap(),
122                 mediator.getCurrentDataDomain()));
123     }
124
125     /**
126      * Returns <code>true</code> if path contains a Procedure object.
127      */
128     public boolean enableForPath(ProjectPath path) {
129         if (path == null) {
130             return false;
131         }
132
133         return path.firstInstanceOf(Procedure.class) != null;
134     }
135 }
136
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