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25 package org.ofbiz.pos.component;
26
27 import java.awt.Component  ;
28 import java.awt.Container ;
29 import java.awt.AWTEvent ;
30 import java.util.HashMap ;
31 import java.util.Iterator ;
32 import java.util.Map ;
33
34 import net.xoetrope.swing.XButton;
35 import net.xoetrope.xui.helper.SwingWorker;
36
37 import org.ofbiz.base.config.GenericConfigException;
38 import org.ofbiz.base.util.Debug;
39 import org.ofbiz.base.util.UtilValidate;
40 import org.ofbiz.pos.config.ButtonEventConfig;
41 import org.ofbiz.pos.screen.PosScreen;
42
43
49 public class PosButton {
50
51 public static final String module = PosButton.class.getName();
52
53 protected Map loadedXButtons = new HashMap ();
54 protected PosScreen pos = null;
55
56 public PosButton(PosScreen pos) {
57 this.pos = pos;
58 this.loadButtons(pos.getComponents());
59
60 try {
61 ButtonEventConfig.loadButtonConfig();
62 } catch (GenericConfigException e) {
63 Debug.logError(e, module);
64 }
65 }
66
67 private void loadButtons(Component [] component) {
68 for (int i = 0; i < component.length; i++) {
69 if (component[i] instanceof XButton) {
70 XButton button = (XButton) component[i];
71 String buttonName = button.getName();
72 String styleName = buttonName == null ? null : (String ) pos.getAttribute("style", buttonName);
73 PosButtonWrapper wrapper = new PosButtonWrapper(button, styleName);
74 if (UtilValidate.isEmpty(buttonName)) {
75 wrapper.setEnabled(false);
76 } else {
77 pos.addActionHandler(button, PosScreen.BUTTON_ACTION_METHOD);
78 loadedXButtons.put(button.getName(), wrapper);
79 }
80 }
81 if (component[i] instanceof Container ) {
82 Component [] subComponents = ((Container ) component[i]).getComponents();
83 loadButtons(subComponents);
84 }
85 }
86 }
87
88 public boolean isLockable(String name) {
89 if (!loadedXButtons.containsKey(name)) {
90 return false;
91 }
92
93 return ButtonEventConfig.isLockable(name);
94 }
95
96 public void setLock(boolean lock) {
97 Iterator i = loadedXButtons.keySet().iterator();
98 while (i.hasNext()) {
99 String buttonName = (String ) i.next();
100 if (this.isLockable(buttonName) && lock) {
101 this.setLock(buttonName, lock);
102 } else {
103 this.setLock(buttonName, false);
104 }
105 }
106 }
107
108 public void setLock(String buttonName, boolean lock) {
109 PosButtonWrapper button = (PosButtonWrapper) loadedXButtons.get(buttonName);
110 button.setEnabled(!lock);
111 }
112
113 public void buttonPressed(final PosScreen pos, final AWTEvent event) {
114 if (pos == null) {
115 Debug.logWarning("Received a null PosScreen object in buttonPressed event", module);
116 return;
117 }
118 if (event == null) {
119 Debug.logWarning("Received a null AWTEvent object in buttonPressed event", module);
120 return;
121 }
122 final String buttonName = ButtonEventConfig.getButtonName(event);
123 final ClassLoader cl = this.getClassLoader(pos);
124
125 if (buttonName != null) {
126 final SwingWorker worker = new SwingWorker() {
127 public Object construct() {
128 if (cl != null) {
129 Thread.currentThread().setContextClassLoader(cl);
130 }
131 try {
132 ButtonEventConfig.invokeButtonEvent(buttonName, pos, event);
133 } catch (ButtonEventConfig.ButtonEventNotFound e) {
134 Debug.logWarning(e, "Button not found - " + buttonName, module);
135 } catch (ButtonEventConfig.ButtonEventException e) {
136 Debug.logError(e, "Button invocation exception - " + buttonName, module);
137 }
138 return null;
139 }
140 };
141 worker.start();
142 } else {
143 Debug.logWarning("No button name found for buttonPressed event", module);
144 }
145 }
146
147 private ClassLoader getClassLoader(PosScreen pos) {
148 ClassLoader cl = pos.getClassLoader();
149 if (cl == null) {
150 try {
151 cl = Thread.currentThread().getContextClassLoader();
152 } catch (Throwable t) {
153 }
154 if (cl == null) {
155 Debug.log("No context classloader available; using class classloader", module);
156 try {
157 cl = this.getClass().getClassLoader();
158 } catch (Throwable t) {
159 Debug.logError(t, module);
160 }
161 }
162 }
163
164 return cl;
165 }
166 }
167 |
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