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Java > Open Source Codes > com > mullassery > act > gui > OpenTaskAction


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  * Copyright (c) 2000-2002 The Apache Software Foundation. All rights
5  * reserved.
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8  * modification, are permitted provided that the following conditions
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16  * the documentation and/or other materials provided with the
17  * distribution.
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20  * any, must include the following acknowlegement:
21  * "This product includes software developed by the
22  * Apache Software Foundation (http://www.apache.org/)."
23  * Alternately, this acknowlegement may appear in the software itself,
24  * if and wherever such third-party acknowlegements normally appear.
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26  * 4. The names "The Jakarta Project", "Ant", and "Apache Software
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54
55 package com.mullassery.act.gui;
56
57 import java.awt.event.ActionEvent JavaDoc;
58
59 import javax.swing.AbstractAction JavaDoc;
60
61 import org.w3c.dom.Element JavaDoc;
62
63 import com.mullassery.act.ACTException;
64 import com.mullassery.act.util.GUIUtil;
65
66 /**
67  *
68  * @author Abey Mullassery
69  *
70  */
71 public class OpenTaskAction extends AbstractAction JavaDoc {
72     private ACT act;
73     private String JavaDoc task;
74     private Element JavaDoc vals;
75     private boolean cloneNode;
76
77     OpenTaskAction(ACT act, Element JavaDoc values) throws ACTException {
78         this(act, values, true);
79     }
80
81     OpenTaskAction(ACT act, Element JavaDoc values, boolean cloneNode) throws ACTException {
82         if (values == null || !values.getNodeName().equals("task"))
83             throw new IllegalArgumentException JavaDoc("Only <task/> Elements are accepted.");
84         vals = values;
85         this.cloneNode = cloneNode;
86         String JavaDoc display = vals.getAttribute(GUIUtil.TASK_DISPLAY);
87         this.task = vals.getAttribute(GUIUtil.TASK_NAME);
88         if ((display == null || display.length() < 1) && (task == null || task.length() < 1))
89             throw new IllegalArgumentException JavaDoc("<task/> element does not have any name!");
90
91         if (task == null || task.length() < 1) {
92             task = display.toLowerCase(); // for std. ANT tasks
93 vals.setAttribute(GUIUtil.TASK_NAME, task);
94         }
95
96         if (display == null || display.length() < 1) {
97             display = task;
98             vals.setAttribute(GUIUtil.TASK_DISPLAY, display);
99         }
100
101         this.putValue(NAME, display);
102         this.act = act;
103     }
104
105     public void actionPerformed(ActionEvent JavaDoc actionEvent) {
106         Element JavaDoc tsk = vals;
107         if (cloneNode) {
108             tsk = vals.getOwnerDocument().createElement(vals.getNodeName());
109             tsk.setAttribute(GUIUtil.TASK_DISPLAY, vals.getAttribute(GUIUtil.TASK_DISPLAY));
110             tsk.setAttribute(GUIUtil.TASK_NAME, vals.getAttribute(GUIUtil.TASK_NAME));
111             String JavaDoc cls = vals.getAttribute(GUIUtil.TASK_CLASS);
112             if (cls != null && cls.length() > 0)
113                 tsk.setAttribute(GUIUtil.TASK_CLASS, vals.getAttribute(GUIUtil.TASK_CLASS));
114         }
115
116         try {
117             act.createTaskPanel(tsk);
118         } catch (Exception JavaDoc ex) {
119             GUIUtil.showErrorMessage(
120                 act,
121                 "Failed opening "
122                     + task
123                     + " task "
124                     + ex.getMessage()
125                     + ". Check if the classes and dependent libraries if any is avaiable in the class path");
126         }
127     }
128 }
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