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Java > Open Source Codes > org > dbforms > event > eventtype > EventType


1 /*
2  * $Header: /cvsroot/jdbforms/dbforms/src/org/dbforms/event/eventtype/EventType.java,v 1.9 2004/08/18 12:26:04 hkollmann Exp $
3  * $Revision: 1.9 $
4  * $Date: 2004/08/18 12:26:04 $
5  *
6  * DbForms - a Rapid Application Development Framework
7  * Copyright (C) 2001 Joachim Peer <joepeer@excite.com>
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23
24 package org.dbforms.event.eventtype;
25
26
27 /**
28  * EventType context class. Uses strategy to select the event type value from
29  * an input string.
30  *
31  * @author Luca Fossato
32  *
33  */
34 public class EventType {
35    /** value of the database event */
36    public static final int EVENT_GROUP_DATABASE = 0;
37
38    /** value of the navigation event */
39    public static final int EVENT_GROUP_NAVIGATION = 1;
40
41    /** value of the navigation goto event */
42    public static final int EVENT_UNDEFINED = -1;
43
44    /** value of the database insert event */
45    public static final String JavaDoc EVENT_DATABASE_INSERT = "insert";
46
47    /** value of the database update event */
48    public static final String JavaDoc EVENT_DATABASE_UPDATE = "update";
49
50    /** value of the database delete event */
51    public static final String JavaDoc EVENT_DATABASE_DELETE = "delete";
52
53    /** value of the navigation first event */
54    public static final String JavaDoc EVENT_NAVIGATION_FIRST = "navFirst";
55
56    /** value of the navigation previous event */
57    public static final String JavaDoc EVENT_NAVIGATION_PREV = "navPrev";
58
59    /** value of the navigation next event */
60    public static final String JavaDoc EVENT_NAVIGATION_NEXT = "navNext";
61
62    /** value of the navigation last event */
63    public static final String JavaDoc EVENT_NAVIGATION_LAST = "navLast";
64
65    /** value of the navigation new event */
66    public static final String JavaDoc EVENT_NAVIGATION_NEW = "navNew";
67
68    /** value of the navigation new event */
69    public static final String JavaDoc EVENT_NAVIGATION_COPY = "navCopy";
70
71    /** value of the navigation goto event */
72    public static final String JavaDoc EVENT_NAVIGATION_GOTO = "navGoto";
73
74    /** value of the navigation reload event */
75    public static final String JavaDoc EVENT_NAVIGATION_RELOAD = "navReload";
76
77    /** value of the navigation force reload event */
78    public static final String JavaDoc EVENT_NAVIGATION_FORCERELOAD = "navForceReload";
79
80    /** transfer value of the navigation first event */
81    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_FIRST = "ac_first_";
82
83    /** transfer value of the navigation previous event */
84    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_PREV = "ac_prev_";
85
86    /** transfer value of the navigation next event */
87    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_NEXT = "ac_next_";
88
89    /** transfer value of the navigation last event */
90    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_LAST = "ac_last_";
91
92    /** transfer value of the navigation new event */
93    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_NEW = "ac_new_";
94
95    /** transfer value of the navigation new event */
96    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_COPY = "ac_copy_";
97
98    /** transfer value of the navigation goto event */
99    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_GOTO = "ac_goto_";
100
101    /** transfer value of the navigation reload event */
102    public static final String JavaDoc EVENT_NAVIGATION_TRANSFER_RELOAD = "ac_reload_";
103
104    /** eventType strategy class */
105    private EventTypeStrategy eventTypeStrategy = null;
106
107    /** the string that identifies the event type */
108    private String JavaDoc eventString = null;
109
110    /**
111     * Constructor; set the input EventTypeStrategy object as the default
112     * strategy.
113     *
114     * @param eventTypeStrategy an EventTypeStrategy object
115     */
116    public EventType(EventTypeStrategy eventTypeStrategy) {
117       this.eventTypeStrategy = eventTypeStrategy;
118    }
119
120    /**
121     * Gets the event group value
122     *
123     * @return The event group value
124     */
125    public int getEventGroup() {
126       int eventGroup = EVENT_UNDEFINED;
127
128       if (eventTypeStrategy != null) {
129          eventGroup = eventTypeStrategy.getEventGroup(eventString);
130       }
131
132       return eventGroup;
133    }
134
135
136    /**
137     * Sets the eventString attribute of the EventType object
138     *
139     * @param eventString The new eventString value
140     */
141    public void setEventString(String JavaDoc eventString) {
142       this.eventString = eventString;
143    }
144
145
146    /**
147     * Gets the eventString attribute of the EventType object
148     *
149     * @return The eventString value
150     */
151    public String JavaDoc getEventString() {
152       return eventString;
153    }
154
155
156    /**
157     * Gets the event type value
158     *
159     * @return The event type value
160     */
161    public String JavaDoc getEventType() {
162       String JavaDoc eventValue = String.valueOf(EVENT_UNDEFINED);
163
164       if (eventTypeStrategy != null) {
165          eventValue = eventTypeStrategy.getEventType(eventString);
166       }
167
168       return eventValue;
169    }
170
171
172    /**
173     * Sets the eventTypeStrategy attribute of the EventType object
174     *
175     * @param eventTypeStrategy The new eventTypeStrategy value
176     */
177    public void setEventTypeStrategy(EventTypeStrategy eventTypeStrategy) {
178       this.eventTypeStrategy = eventTypeStrategy;
179    }
180
181
182    /**
183     * Gets the eventTypeStrategy attribute of the EventType object
184     *
185     * @return The eventTypeStrategy value
186     */
187    public EventTypeStrategy getEventTypeStrategy() {
188       return eventTypeStrategy;
189    }
190 }
191
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