WFPanel


1   /******************************************************************************
2    * The contents of this file are subject to the   Compiere License  Version 1.1
3    * ("License"); You may not use this file except in compliance with the License
4    * You may obtain a copy of the License at http://www.compiere.org/license.html
5    * Software distributed under the License is distributed on an  "AS IS"  basis,
6    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
7    * the specific language governing rights and limitations under the License.
8    * The Original Code is                  Compiere  ERP & CRM  Business Solution
9    * The Initial Developer of the Original Code is Jorg Janke  and ComPiere, Inc.
10   * Portions created by Jorg Janke are Copyright (C) 1999-2002 Jorg Janke, parts
11   * created by ComPiere are Copyright (C) ComPiere, Inc.;   All Rights Reserved.
12   * Contributor(s): ______________________________________.
13   *****************************************************************************/
14  package org.compiere.apps.wf;
15  
16  import java.awt.*;
17  import java.awt.event.*;
18  import javax.swing.*;
19  import javax.swing.event.*;
20  import java.util.*;
21  import java.beans.*;
22  
23  import org.compiere.apps.*;
24  import org.compiere.util.*;
25  import org.compiere.model.*;
26  import org.compiere.plaf.*;
27  import org.compiere.swing.*;
28  
29  /**
30   *  WorkFlow Panel
31   *
32   *  @author     Jorg Janke
33   *  @version    $Id: WFPanel.java,v 1.6 2003/11/06 07:08:28 jjanke Exp $
34   */
35  public class WFPanel extends CPanel
36      implements PropertyChangeListener, ActionListener, MouseListener
37  {
38      /**
39       *  Create Workflow Panel
40       *  @param menu menu
41       */
42      public WFPanel (AMenu menu)
43      {
44          m_menu = menu;
45          try
46          {
47              jbInit();
48          }
49          catch(Exception   e)
50          {
51              Log.error("WFPanel", e);
52          }
53      }   //  WFPanel
54  
55      /** Menu Link                   */
56      private AMenu       m_menu = null;
57  
58      /** Workflow Model              */
59      private MWorkflow   m_wf = null;
60      /** Context                     */
61      private Properties  m_ctx = Env.getCtx();
62      /** Active Node                 */
63      private WFNode      m_activeNode = null;
64      /** ReadWrite Mode (see WFNode) */
65      private boolean     m_readWrite = Ini.getPropertyBool(Ini.P_COMPIERESYS);
66  
67      //  IO
68      private BorderLayout mainLayout = new BorderLayout();
69      private JScrollPane centerScrollPane = new JScrollPane();
70      private CPanel southPanel = new CPanel();
71      private CPanel centerPanel = new CPanel();
72      private BorderLayout southLayout = new BorderLayout();
73      private JScrollPane infoScrollPane = new JScrollPane();
74      private JTextPane infoTextPane = new JTextPane();
75      private CPanel buttonPanel = new CPanel();
76      private JButton wfStart = new JButton();
77      private JButton wfBack = new JButton();
78      private JButton wfNext = new JButton();
79      private JButton wfEnd = new JButton();
80      //
81      private JPopupMenu popup = new JPopupMenu();
82      private JMenuItem mZoom = new JMenuItem (Msg.getMsg(Env.getCtx(), "Zoom"));
83      private JMenuItem mRefresh = new JMenuItem (Msg.getMsg(Env.getCtx(), "Refresh"));
84      private JMenuItem mResetLayout = new JMenuItem ("Reset Layout");
85      private JMenuItem mSaveLayout = new JMenuItem ("Save Layout");
86  
87      /**
88       *  Static Init
89       *  <pre>
90       *      centerScrollPane
91       *          centerPanel
92       *      south Panel
93       *          infoScrollPane
94       *          buttonPanel
95       *  </pre>
96       *  @throws Exception
97       */
98      private void jbInit() throws Exception  
99      {
100         this.setLayout(mainLayout);
101         CompiereColor.setBackground(this);
102         southPanel.setLayout(southLayout);
103         //  Center
104         this.add(centerScrollPane,  BorderLayout.CENTER);
105         centerPanel.setLayout (new WFLayoutManager());
106         centerPanel.setBorder (BorderFactory.createEmptyBorder(5,5,5,5));
107         centerPanel.setBackground(new Color(236,236,236));
108         centerPanel.setOpaque(false);
109         centerScrollPane.getViewport().add(centerPanel, null);
110         //  Info
111         infoScrollPane.getViewport().add(infoTextPane, null);
112         infoScrollPane.setPreferredSize(new Dimension(200, 140));
113         infoTextPane.setBackground(CompierePLAF.getFieldBackground_Inactive());
114         infoTextPane.setEditable(false);
115         infoTextPane.setRequestFocusEnabled(false);
116         infoTextPane.setContentType("text/html");
117         //  South
118         this.add(southPanel, BorderLayout.SOUTH);
119         southPanel.add(infoScrollPane,  BorderLayout.CENTER);
120         southPanel.add(buttonPanel,  BorderLayout.SOUTH);
121         //
122         wfStart.setIcon(Env.getImageIcon("wfStart24.gif"));
123         wfStart.setMargin(new Insets(0, 10, 0, 10));
124         wfStart.setRequestFocusEnabled(false);
125         wfStart.addActionListener(this);
126         wfStart.setToolTipText(Msg.getMsg(m_ctx, "WFStart"));
127         wfBack.setIcon(Env.getImageIcon("wfBack24.gif"));
128         wfBack.setMargin(new Insets(0, 15, 0, 15));
129         wfBack.setRequestFocusEnabled(false);
130         wfBack.addActionListener(this);
131         wfBack.setToolTipText(Msg.getMsg(m_ctx, "WFPrevious"));
132         wfNext.setIcon(Env.getImageIcon("wfNext24.gif"));
133         wfNext.setMargin(new Insets(0, 15, 0, 15));
134         wfNext.setRequestFocusEnabled(false);
135         wfNext.addActionListener(this);
136         wfNext.setToolTipText(Msg.getMsg(m_ctx, "WFNext"));
137         wfEnd.setIcon(Env.getImageIcon("wfEnd24.gif"));
138         wfEnd.setMargin(new Insets(0, 10, 0, 10));
139         wfEnd.setRequestFocusEnabled(false);
140         wfEnd.addActionListener(this);
141         wfEnd.setToolTipText(Msg.getMsg(m_ctx, "WFExit"));
142         buttonPanel.add(wfStart, null);
143         buttonPanel.add(wfBack, null);
144         buttonPanel.add(wfNext, null);
145         buttonPanel.add(wfEnd, null);
146 
147         //  Popup Menu
148         centerPanel.addMouseListener(this);
149         mZoom.addActionListener(this);
150         popup.add(mZoom);
151         mRefresh.addActionListener(this);
152         popup.add(mRefresh);
153         if (m_readWrite)
154         {
155             mResetLayout.addActionListener(this);
156             popup.add(mResetLayout);
157             mSaveLayout.addActionListener(this);
158             popup.add(mSaveLayout);
159         }
160     }   //  jbInit
161 
162     /*************************************************************************/
163 
164     /**
165      *  Load Workflow & Nodes
166      *  @param AD_Workflow_ID ID
167      */
168     public void load (int AD_Workflow_ID)
169     {
170         Log.trace(Log.l4_Data, "WFPanel.load " + AD_Workflow_ID);
171         m_wf = new MWorkflow (Env.getCtx(), AD_Workflow_ID);
172         centerPanel.removeAll();
173         //  Add Nodes for Paint
174         MWFNode[] nodes = m_wf.getNodes(true);
175         for (int i = 0; i < nodes.length; i++)
176         {
177             WFNode wf = new WFNode(nodes[i]);
178             wf.addPropertyChangeListener(WFNode.PROPERTY_SELECTED, this);
179             centerPanel.add (wf);
180             //  Add Lines
181             MWFNodeNext[] nexts = nodes[i].getNextNodes();
182             for (int j = 0; j < nexts.length; j++)
183                 centerPanel.add (new WFLine (nexts[j]));
184         }
185         //  Info Text
186         StringBuffer   msg = new StringBuffer  ("<HTML>");
187         msg.append("<H2>").append(m_wf.getName(true)).append("</H2>");
188         String   s = m_wf.getDescription(true);
189         if (s != null && s.length() > 0)
190             msg.append("<B>").append(s).append("</B>");
191         s = m_wf.getHelp(true);
192         if (s != null && s.length() > 0)
193             msg.append("<BR>").append(s);
194         msg.append("</HTML>");
195         infoTextPane.setText (msg.toString());
196         infoTextPane.setCaretPosition(0);
197 
198         //  Layout
199         centerPanel.validate();
200         centerPanel.repaint();
201         validate();
202     }   //  load
203 
204     /**
205      *  Property Change Listener
206      *  @param e event
207      */
208     public void propertyChange (PropertyChangeEvent e)
209     {
210         start ((WFNode)e.getSource());
211     }   //  propertyChange
212 
213     /**
214      *  Action Listener
215      *  @param e event
216      */
217     public void actionPerformed (ActionEvent e)
218     {
219         if (m_wf == null)
220             return;
221 
222         setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
223         //  Popup
224         if (e.getSource() == mZoom)
225             zoom();
226         else if (e.getSource() == mRefresh)
227             load(m_wf.getAD_Workflow_ID());
228         else if (e.getSource() == mSaveLayout)
229             m_wf.save();
230         else if (e.getSource() == mResetLayout)
231             resetLayout();
232         //  Buttons
233         else if (e.getSource() == wfStart || m_activeNode == null)
234             start (m_wf.getAD_WF_Node_ID());
235         else if (e.getSource() == wfBack)
236             start (m_wf.getPrevious (m_activeNode.getAD_WF_Node_ID()));
237         else if (e.getSource() == wfNext)
238             start (m_wf.getNext (m_activeNode.getAD_WF_Node_ID()));
239         else if (e.getSource() == wfEnd)
240             start (m_wf.getLast (m_activeNode.getAD_WF_Node_ID()));
241         //
242         setCursor(Cursor.getDefaultCursor());
243     }   //  actionPerformed
244 
245     /**
246      *  Display Menu
247      *  @param e event
248      */
249     public void mouseClicked (MouseEvent e)
250     {
251         if (SwingUtilities.isRightMouseButton(e))
252         {
253             popup.show(centerPanel, e.getX(), e.getY());
254         }
255     }   //  mouseClicked
256     public void mousePressed(MouseEvent e)  {}
257     public void mouseReleased(MouseEvent e) {}
258     public void mouseEntered(MouseEvent e)  {}
259     public void mouseExited(MouseEvent e)   {}
260 
261     /*************************************************************************/
262 
263     /**
264      *  Start Node
265      *  @param node node
266      */
267     public void start (WFNode node)
268     {
269         if (m_activeNode != null)
270             m_activeNode.setSelected(false);
271         //  Prepare
272         node.setSelected(true);
273         MWFNode model = node.getModel();
274         //  Info Text
275         StringBuffer   msg = new StringBuffer  ("<HTML>");
276         msg.append("<H2>").append(model.getName(true)).append("</H2>");
277         String   s = model.getDescription(true);
278         if (s != null && s.length() > 0)
279             msg.append("<B>").append(s).append("</B>");
280         s = model.getHelp(true);
281         if (s != null && s.length() > 0)
282             msg.append("<BR>").append(s);
283         msg.append("</HTML>");
284         infoTextPane.setText (msg.toString());
285         infoTextPane.setCaretPosition(0);
286 
287         //  Load Window
288         (new AMenuStartItem(model.getAD_WF_Node_ID(), false, model.getName(true), m_menu)).start();     //  async load
289         //
290         m_activeNode = node;
291         //
292         boolean first = m_wf.isFirst(m_activeNode.getAD_WF_Node_ID());
293         boolean last = m_wf.isLast(m_activeNode.getAD_WF_Node_ID());
294         wfStart.setEnabled(!first);
295         wfBack.setEnabled(!first);
296         wfNext.setEnabled(!last);
297         wfEnd.setEnabled(!last);
298     }   //  start
299 
300     /**
301      *  Start Node
302      *  @param AD_WF_Node_ID node id
303      */
304     public void start (int AD_WF_Node_ID)
305     {
306         if (AD_WF_Node_ID == 0)
307             return;
308         //
309         for (int i = 0; i < centerPanel.getComponentCount(); i++)
310         {
311             Component comp = centerPanel.getComponent(i);
312             if (comp instanceof WFNode)
313             {
314                 WFNode node = (WFNode)comp;
315                 if (node.getAD_WF_Node_ID() == AD_WF_Node_ID)
316                 {
317                     start (node);
318                     return;
319                 }
320             }   //  WFNode
321         }   //  for all components
322     }   //  start
323 
324     /**
325      *  Reset Layout
326      */
327     public void resetLayout()
328     {
329         Point p0 = new Point (0,0);
330         for (int i = 0; i < centerPanel.getComponentCount(); i++)
331         {
332             Component comp = centerPanel.getComponent(i);
333             comp.setLocation(p0);
334         }
335         centerPanel.doLayout();
336     }   //  resetLayout
337 
338     /**
339      *  Zoom to WorkFlow
340      */
341     private void zoom()
342     {
343         int AD_Window_ID = 113;
344         MQuery query = null;
345         if (m_wf != null)
346             query = MQuery.getEqualQuery("AD_Workflow_ID", m_wf.getAD_Workflow_ID());
347         AWindow frame = new AWindow();
348         if (!frame.initWindow (AD_Window_ID, query, false))
349             return;
350         AEnv.showCenterScreen(frame);
351         frame = null;
352     }   //  zoom
353 
354     /**
355      *  String Representation
356      *  @return info
357      */
358     public String   toString()
359     {
360         StringBuffer   sb = new StringBuffer  ("WFPanel[");
361         if (m_wf != null)
362             sb.append(m_wf.getAD_Workflow_ID());
363         sb.append("]");
364         return sb.toString();
365     }   //  toString
366 
367     /*************************************************************************/
368 
369     /**
370      *  Test
371      *  @param args ignored
372      */
373     public static void main (String  [] args)
374     {
375         org.compiere.Compiere.startupClient();
376         JFrame jf = new JFrame ("WF");
377         WFPanel pp = new WFPanel(null);
378         pp.load(101);
379         jf.getContentPane().add (pp);
380         jf.pack();
381         jf.show();
382     }   //  main
383 
384 }   //  WFPanel
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