Source Code Cross Referenced for PolicyPlugin.java in  » Science » Cougaar12_4 » org » cougaar » mlm » plugin » sample » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Science » Cougaar12_4 » org.cougaar.mlm.plugin.sample 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * <copyright>
003:         *  
004:         *  Copyright 1997-2004 BBNT Solutions, LLC
005:         *  under sponsorship of the Defense Advanced Research Projects
006:         *  Agency (DARPA).
007:         * 
008:         *  You can redistribute this software and/or modify it under the
009:         *  terms of the Cougaar Open Source License as published on the
010:         *  Cougaar Open Source Website (www.cougaar.org).
011:         * 
012:         *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
013:         *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
014:         *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
015:         *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
016:         *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
017:         *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
018:         *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
019:         *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
020:         *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
021:         *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
022:         *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
023:         *  
024:         * </copyright>
025:         */
026:
027:        package org.cougaar.mlm.plugin.sample;
028:
029:        import java.awt.Dimension;
030:        import java.awt.FlowLayout;
031:        import java.awt.event.ActionEvent;
032:        import java.awt.event.ActionListener;
033:        import java.beans.PropertyChangeEvent;
034:        import java.beans.PropertyChangeListener;
035:        import java.util.Enumeration;
036:        import java.util.Hashtable;
037:
038:        import javax.swing.ButtonGroup;
039:        import javax.swing.JFrame;
040:        import javax.swing.JLabel;
041:        import javax.swing.JPanel;
042:        import javax.swing.JRadioButton;
043:        import javax.swing.JSlider;
044:        import javax.swing.event.ChangeEvent;
045:        import javax.swing.event.ChangeListener;
046:
047:        import org.cougaar.core.blackboard.IncrementalSubscription;
048:        import org.cougaar.glm.ldm.policy.ShipPolicy;
049:        import org.cougaar.mlm.plugin.UICoordinator;
050:        import org.cougaar.planning.ldm.policy.EnumerationRuleParameter;
051:        import org.cougaar.planning.ldm.policy.IntegerRuleParameter;
052:        import org.cougaar.planning.plugin.legacy.SimplePlugin;
053:        import org.cougaar.util.UnaryPredicate;
054:
055:        /**
056:         * The PolicyPlugin
057:         */
058:
059:        public class PolicyPlugin extends SimplePlugin {
060:            class PolicyGUI extends JFrame implements  PropertyChangeListener {
061:                protected JLabel label;
062:
063:                protected JSlider slider = new JSlider(JSlider.HORIZONTAL, 1,
064:                        10, 3) {
065:                    public Dimension getPreferredSize() {
066:                        return new Dimension(100,
067:                                super .getPreferredSize().height);
068:                    }
069:
070:                    public Dimension getMinimumSize() {
071:                        return new Dimension(100, super .getMinimumSize().height);
072:                    }
073:                };
074:
075:                protected ButtonGroup modeButtonGroup;
076:                JRadioButton groundButton = null;
077:                JRadioButton seaButton = null;
078:                JRadioButton airButton = null;
079:
080:                private ShipPolicy policy;
081:
082:                PolicyGUI(ShipPolicy forPolicy) {
083:                    super ("PolicyPlugin");
084:                    policy = forPolicy;
085:                    forPolicy.addPropertyChangeListener(this );
086:                    getContentPane().setLayout(new FlowLayout());
087:                    JPanel panel = new JPanel(null);
088:
089:                    int days = policy.getShipDays();
090:                    label = new JLabel("ShipDays = " + days);
091:                    MySliderListener mySliderListener = new MySliderListener();
092:                    slider.setValue(days);
093:                    slider.addChangeListener(mySliderListener);
094:                    UICoordinator.layoutButtonAndLabel(panel, slider, label);
095:
096:                    JPanel modePanel = new JPanel();
097:                    ModeButtonListener mbl = new ModeButtonListener();
098:                    groundButton = new JRadioButton("Ground");
099:                    seaButton = new JRadioButton("Sea");
100:                    airButton = new JRadioButton("Air");
101:                    groundButton.addActionListener(mbl);
102:                    seaButton.addActionListener(mbl);
103:                    airButton.addActionListener(mbl);
104:                    modeButtonGroup = new ButtonGroup();
105:                    modeButtonGroup.add(groundButton);
106:                    modeButtonGroup.add(seaButton);
107:                    modeButtonGroup.add(airButton);
108:                    modePanel.add(groundButton);
109:                    modePanel.add(seaButton);
110:                    modePanel.add(airButton);
111:                    if (getPolicyMode().equals("Ground")) {
112:                        groundButton.setSelected(true);
113:                    } else if (getPolicyMode().equals("Air")) {
114:                        airButton.setSelected(true);
115:                    } else if (getPolicyMode().equals("Sea")) {
116:                        seaButton.setSelected(true);
117:                    }
118:
119:                    UICoordinator.layoutSecondRow(panel, modePanel);
120:                    setContentPane(panel);
121:                    pack();
122:                    UICoordinator.setBounds(this );
123:                    setVisible(true);
124:                }
125:
126:                /** An ActionListener that listens to the buttons. */
127:                class MySliderListener implements  ChangeListener {
128:                    public void stateChanged(ChangeEvent ce) {
129:                        openTheTransaction();
130:                        changePolicy(slider.getValue());
131:                        closeTheTransaction(false);
132:                    }
133:                }
134:
135:                class ModeButtonListener implements  ActionListener {
136:                    public void actionPerformed(ActionEvent ae) {
137:                        openTheTransaction();
138:                        setPolicyMode(((JRadioButton) (ae.getSource()))
139:                                .getText());
140:                        closeTheTransaction(false);
141:                    }
142:                }
143:
144:                public void changePolicy(int value) {
145:                    policy.setShipDays(value);
146:                    label.setText("ShipDays = " + value);
147:
148:                    publishTheChange(policy);
149:                }
150:
151:                public String getPolicyMode() {
152:                    return policy.getShipMode();
153:                }
154:
155:                public void setPolicyMode(String newMode) {
156:                    policy.setShipMode(newMode);
157:                    publishTheChange(policy);
158:                }
159:
160:                public void propertyChange(PropertyChangeEvent evt) {
161:                    String propertyName = evt.getPropertyName();
162:                    Object property = evt.getNewValue();
163:                    try {
164:                        if (propertyName == "RuleParameters") {
165:                            Hashtable params = (Hashtable) property;
166:                            IntegerRuleParameter dayParam = (IntegerRuleParameter) params
167:                                    .get(ShipPolicy.ShipDays);
168:                            Integer days = (Integer) dayParam.getValue();
169:
170:                            slider.setValue(days.intValue());
171:                            EnumerationRuleParameter modeParam = (EnumerationRuleParameter) params
172:                                    .get(ShipPolicy.ShipMode);
173:                            String mode = (String) modeParam.getValue();
174:                            if (!groundButton.isSelected()
175:                                    && mode.equals(ShipPolicy.Ground))
176:                                groundButton.setSelected(true);
177:                            else if (!airButton.isSelected()
178:                                    && mode.equals(ShipPolicy.Air))
179:                                airButton.setSelected(true);
180:                            else if (!seaButton.isSelected()
181:                                    && mode.equals(ShipPolicy.Sea))
182:                                seaButton.setSelected(true);
183:                        } else {
184:                            System.err.println("Unexpected Property Name "
185:                                    + propertyName);
186:                        }
187:                    } catch (Exception e) {
188:                        System.err
189:                                .println("Problem resetting ShipPolicy GUI with new values");
190:                        e.printStackTrace();
191:                    }
192:                }
193:            }
194:
195:            // Have to provide these on this plugin class, else the inner class
196:            // below will not be able to find them
197:            public void openTheTransaction() {
198:                openTransaction();
199:            }
200:
201:            public void closeTheTransaction(boolean b) {
202:                closeTransaction(b);
203:            }
204:
205:            public void publishTheChange(Object o) {
206:                publishChange(o);
207:            }
208:
209:            private static UnaryPredicate policyPredicate() {
210:                return new UnaryPredicate() {
211:                    public boolean execute(Object o) {
212:                        return (o instanceof  ShipPolicy);
213:                    }
214:                };
215:            }
216:
217:            private IncrementalSubscription myPolicies;
218:
219:            /**
220:             * Overrides the setupSubscriptions() in the SimplePlugin.
221:             */
222:            protected void setupSubscriptions() {
223:                getSubscriber().setShouldBePersisted(false);
224:                myPolicies = (IncrementalSubscription) subscribe(policyPredicate());
225:                //      addPolicies(myPolicies.elements());
226:            }
227:
228:            private Hashtable policyGUIs = new Hashtable();
229:
230:            /* CCV2 execute method */
231:            /* This will be called every time a new object matches the above predicate */
232:            public synchronized void execute() {
233:                if (myPolicies.hasChanged()) {
234:                    addPolicies(myPolicies.getAddedList());
235:                    removePolicies(myPolicies.getRemovedList());
236:                }
237:            }
238:
239:            private void addPolicies(Enumeration e) {
240:                while (e.hasMoreElements()) {
241:                    ShipPolicy policy = (ShipPolicy) e.nextElement();
242:                    policyGUIs.put(policy, new PolicyGUI(policy));
243:                }
244:            }
245:
246:            private void removePolicies(Enumeration e) {
247:                while (e.hasMoreElements()) {
248:                    ShipPolicy policy = (ShipPolicy) e.nextElement();
249:                    PolicyGUI gui = (PolicyGUI) policyGUIs.get(policy);
250:                    if (gui != null) {
251:                        gui.dispose();
252:                        policyGUIs.remove(policy);
253:                    }
254:                }
255:            }
256:        }
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