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Java > Open Source Codes > org > enhydra > shark > corbaclient > workflowadmin > monitoring > ManageActivities


1 package org.enhydra.shark.corbaclient.workflowadmin.monitoring;
2
3 import java.awt.*;
4 import java.awt.event.*;
5 import javax.swing.*;
6 import javax.swing.border.*;
7 import javax.swing.event.*;
8
9 import org.omg.WorkflowModel.*;
10 import org.enhydra.jawe.xml.elements.*;
11 import org.enhydra.shark.corbaclient.*;
12 import org.enhydra.shark.corbaclient.workflowadmin.monitoring.actions.*;
13
14 /**
15  * Enables user to manage the state of activities.
16  *
17  * @author Sasa Bojanic
18  * @version 1.0
19  */
20 public class ManageActivities extends ActionPanel {
21
22    private static Dimension listFieldDimension=new Dimension(300,300);
23
24    private JList activities;
25    private JTextField activity=new JTextField();
26
27    private java.util.List JavaDoc allActivities;
28    private WfProcess myProcess;
29
30    private ProcessMonitor processMonitor;
31
32    public ManageActivities (ProcessMonitor pm,WfProcess proc,java.util.List JavaDoc acts) {
33       super();
34       this.processMonitor=pm;
35       this.myProcess=proc;
36       this.allActivities=acts;
37       super.init();
38       super.initDialog(pm.getWorkflowAdmin().getFrame(),
39             ResourceManager.getLanguageDependentString("DialogManageActivities"),
40             false,false);
41    }
42
43   protected void createActions () {
44       defaultActions=new Action[] {
45          new SuspendActivity(this),
46          new ResumeActivity(this),
47          new TerminateActivity(this),
48          new AbortActivity(this),
49          new ManuallyStartActivity(this)
50       };
51    }
52
53    /**
54    * Create the center component of this panel.
55    */
56    protected Component createCenterComponent() {
57       activity.setEnabled(false);
58
59       JScrollPane scrollActivities=new JScrollPane();
60       activities=new JList(allActivities.toArray());
61       activities.addListSelectionListener(new ListSelectionListener() {
62          public void valueChanged(ListSelectionEvent e) {
63             if (e.getValueIsAdjusting()) {
64                return;
65             }
66
67             JList theList = (JList)e.getSource();
68             if (theList.isSelectionEmpty()) {
69                activity.setText("");
70             } else {
71                Activity act=(Activity)theList.getSelectedValue();
72                WfActivity a=getLastActivityForDefinition(act,null,0);
73                try {
74                   String JavaDoc state=a.state();
75                   String JavaDoc stateKey=ResourceManager.getLanguageDependentString(state+"Key");
76                   activity.setText(stateKey);
77                } catch (Exception JavaDoc ex) {
78                   activity.setText(ResourceManager.getLanguageDependentString("NotOpenedKey"));
79                }
80             }
81          }
82       });
83
84       activities.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
85       scrollActivities.setViewportView(activities);
86       scrollActivities.setPreferredSize(new Dimension(listFieldDimension));
87
88       JPanel pm=new JPanel();
89       Border emptyb=BorderFactory.createEmptyBorder(10,10,10,10);
90       Border inb=BorderFactory.createMatteBorder(1,1,1,1,Color.darkGray);
91       inb=BorderFactory.createTitledBorder(inb,
92          ResourceManager.getLanguageDependentString("SelectActivityKey"));
93       pm.setBorder(BorderFactory.createCompoundBorder(emptyb,inb));
94       pm.setLayout(new BoxLayout(pm,BoxLayout.Y_AXIS));
95       pm.add(scrollActivities);
96       pm.add(activity);
97
98       return pm;
99    }
100
101    /**
102     * Searchs for the activity instance based on it's definition, the state,
103     * and the type of comparing the state.
104     * @param act The activity definition
105     * @param state The state in which activity has to be
106     * @param compareType The type of compare. If it is 0, the state of the
107     * activity has to be as the given one, otherwise it has to start
108     * with the given state string
109     * @return instance of WfActivity
110     */
111    public WfActivity getLastActivityForDefinition (Activity act,String JavaDoc state,int compareType) {
112       if (act==null) return null;
113       try {
114          WfActivityIterator wai=SharkClient.getCommonExpressionBuilder().getActivitiesForDefinitionAndState(myProcess.key(),act.getID(),state,compareType==0);
115
116          wai.goto_end();
117          WfActivity lastActivityForDefinition=null;
118          // searches only for activity that is not in the block
119 while (true) {
120             lastActivityForDefinition=wai.get_previous_object();
121             try {
122                String JavaDoc baId=SharkClient.getAdminMiscUtilities().
123                   getBlockActivityId(myProcess.key(),lastActivityForDefinition.key());
124                if (baId==null || baId.length()==0) {
125                   break;
126                }
127             } catch (Exception JavaDoc ex) {
128                break;
129             }
130          }
131          return lastActivityForDefinition;
132       } catch (Exception JavaDoc ex) {
133          return null;
134       }
135    }
136
137    public Activity getSelectedActivity () {
138       return (Activity)activities.getSelectedValue();
139    }
140
141    public WfProcess getProcess () {
142       return myProcess;
143    }
144
145    public void updateListDisplay (Activity act) {
146       activities.getSelectionModel().clearSelection();
147       activities.setSelectedValue(act,true);
148    }
149
150    public void updateProcessView () {
151       processMonitor.getProcessViewer().updateSelection();
152    }
153
154 }
155
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