%line	%branch
org.apache.commons.jelly.tags.swing.WindowListenerTag	3%	90%

1		/*
2		* Copyright 2002,2004 The Apache Software Foundation.
3		*
4		* Licensed under the Apache License, Version 2.0 (the "License");
5		* you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at
7		*
8		* http://www.apache.org/licenses/LICENSE-2.0
9		*
10		* Unless required by applicable law or agreed to in writing, software
11		* distributed under the License is distributed on an "AS IS" BASIS,
12		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13		* See the License for the specific language governing permissions and
14		* limitations under the License.
15		*/
16		package org.apache.commons.jelly.tags.swing;
17
18		import java.awt.event.WindowEvent;
19		import java.awt.event.WindowListener;
20
21		import org.apache.commons.jelly.JellyTagException;
22		import org.apache.commons.jelly.Script;
23		import org.apache.commons.jelly.TagSupport;
24		import org.apache.commons.jelly.XMLOutput;
25		import org.apache.commons.logging.Log;
26		import org.apache.commons.logging.LogFactory;
27
28		/**
29		* Creates a WindowListener which is attached to its parent window control which will invoke
30		* named Jelly scripts as window events are fired, or will invoke its body if there is no script
31		* specified for the named event type.
32		*
33		* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
34		* @version $Revision: 155420 $
35		*/
36	0	public class WindowListenerTag extends TagSupport {
37
38		/** The Log to which logging calls will be made. */
39	8	private static final Log log = LogFactory.getLog(WindowListenerTag.class);
40
41		private String var;
42		private Script activated;
43		private Script closed;
44		private Script closing;
45		private Script deactivated;
46		private Script deiconified;
47		private Script iconified;
48		private Script opened;
49
50	0	public WindowListenerTag() {
51	0	}
52
53		// Tag interface
54		//-------------------------------------------------------------------------
55		public void doTag(final XMLOutput output) throws JellyTagException {
56
57		// now lets add this action to its parent if we have one
58	0	ComponentTag tag = (ComponentTag) findAncestorWithClass( ComponentTag.class );
59	0	if ( tag != null ) {
60	0	WindowListener listener = new WindowListener() {
61		public void windowActivated(WindowEvent e) {
62		invokeScript( output, e, activated );
63		}
64
65		public void windowClosed(WindowEvent e) {
66		invokeScript( output, e, closed );
67		}
68
69		public void windowClosing(WindowEvent e) {
70		invokeScript( output, e, closing );
71		}
72
73		public void windowDeactivated(WindowEvent e) {
74		invokeScript( output, e, deactivated );
75		}
76
77		public void windowDeiconified(WindowEvent e) {
78		invokeScript( output, e, deiconified );
79		}
80
81		public void windowIconified(WindowEvent e) {
82		invokeScript( output, e, iconified );
83		}
84
85		public void windowOpened(WindowEvent e) {
86		invokeScript( output, e, opened );
87		}
88		};
89	0	tag.addWindowListener(listener);
90		}
91	0	}
92
93		// Properties
94		//-------------------------------------------------------------------------
95
96
97		/**
98		* Sets the name of the variable to use to expose the Event object
99		*/
100		public void setVar(String var) {
101	0	this.var = class="keyword">var;
102	0	}
103
104		/**
105		* Sets the Script to be executed when the window is activated.
106		*/
107		public void setActivated(Script activated) {
108	0	this.activated = activated;
109	0	}
110
111		/**
112		* Sets the Script to be executed when the window is closed.
113		*/
114		public void setClosed(Script closed) {
115	0	this.closed = closed;
116	0	}
117
118		/**
119		* Sets the Script to be executed when the window is closing.
120		*/
121		public void setClosing(Script closing) {
122	0	this.closing = closing;
123	0	}
124
125		/**
126		* Sets the Script to be executed when the window is deactivated.
127		*/
128		public void setDeactivated(Script deactivated) {
129	0	this.deactivated = deactivated;
130	0	}
131
132		/**
133		* Sets the Script to be executed when the window is deiconified.
134		*/
135		public void setDeiconified(Script deiconified) {
136	0	this.deiconified = deiconified;
137	0	}
138
139		/**
140		* Sets the Script to be executed when the window is iconified.
141		*/
142		public void setIconified(Script iconified) {
143	0	this.iconified = iconified;
144	0	}
145
146		/**
147		* Sets the Script to be executed when the window is opened.
148		*/
149		public void setOpened(Script opened) {
150	0	this.opened = opened;
151	0	}
152
153
154
155		// Implementation methods
156		//-------------------------------------------------------------------------
157		protected void invokeScript(XMLOutput output, WindowEvent event, Script script) {
158	0	if ( var != null ) {
159		// define a variable of the event
160	0	context.setVariable(var, event);
161		}
162
163		try {
164	0	if ( script != null ) {
165	0	script.run(context, output );
166		}
167		else {
168		// invoke the body
169	0	invokeBody(output);
170		}
171		}
172	0	catch (Exception e) {
173	0	log.error( "Caught exception processing window event: " + event, e );
174	0	}
175	0	}
176
177		}

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.