|
1
25 package org.ofbiz.pos.component;
26
27 import java.awt.Color  ;
28 import java.awt.Component ;
29 import java.awt.event.KeyEvent ;
30 import java.awt.event.KeyListener ;
31 import java.util.EmptyStackException ;
32 import java.util.Iterator ;
33 import java.util.Stack ;
34
35 import net.xoetrope.swing.XEdit;
36
37 import org.ofbiz.pos.adaptor.KeyboardAdaptor;
38 import org.ofbiz.pos.adaptor.KeyboardReceiver;
39 import org.ofbiz.pos.screen.PosScreen;
40
41
47 public class Input implements KeyboardReceiver, KeyListener {
48
49 public static final String module = Input.class.getName();
50 private static final String [] validFunc = { "LOGIN", "OPEN", "CLOSE", "UNLOCK", "MGRLOGIN", "PAID", "TOTAL",
51 "CREDIT", "GIFTCARD", "MSRINFO", "CHECK", "CHECKINFO", "REFNUM",
52 "QTY", "VOID", "SHIFT" };
53
54 protected Stack functionStack = new Stack ();
55 protected Component [] pageComs = null;
56 protected Color lastColor = null;
57 protected XEdit input = null;
58 protected boolean isLocked = false;
59
60 public Input(PosScreen page) {
61 this.input = (XEdit) page.findComponent("pos_input");
62 this.input.setVisible(true);
63 this.input.setFocusable(false);
64
65 KeyboardAdaptor.getInstance(this, KeyboardAdaptor.KEYBOARD_DATA);
67 }
68
69 public void focus() {
70 this.input.requestFocus();
71 }
72
73 public void setLock(boolean lock) {
74 if (lock) {
76 } else {
79 }
81 isLocked = lock;
82 }
83
84 public void setFunction(String function, String value) throws IllegalArgumentException {
85 if (isValidFunction(function)) {
86 this.functionStack.push( new String [] { function, value });
87 input.setText("");
88 } else {
89 throw new IllegalArgumentException ();
90 }
91 }
92
93 public void setFunction(String function) throws IllegalArgumentException {
94 setFunction(function, input.getText());
95 }
96
97 private boolean isValidFunction(String function) {
98 for (int i = 0; i < validFunc.length; i++) {
99 if (validFunc[i].equals(function)) {
100 return true;
101 }
102 }
103 return false;
104 }
105
106 public String [] getLastFunction() {
107 String [] f = null;
108 try {
109 f = (String []) this.functionStack.peek();
110 } catch (EmptyStackException e) {
111 }
112 return f;
113 }
114
115 public String [] clearLastFunction() {
116 String [] f = null;
117 try {
118 f = (String []) this.functionStack.pop();
119 } catch (EmptyStackException e) {
120 }
121 return f;
122 }
123
124 public String [] getFunction(String function) {
125 Iterator i = functionStack.iterator();
126 while (i.hasNext()) {
127 String [] func = (String []) i.next();
128 if (func[0].equals(function)) {
129 return func;
130 }
131 }
132 return null;
133 }
134
135 public String [] clearFunction(String function) {
136 Iterator i = functionStack.iterator();
137 while (i.hasNext()) {
138 String [] func = (String []) i.next();
139 if (func[0].equals(function)) {
140 i.remove();
141 return func;
142 }
143 }
144 return null;
145 }
146
147 public boolean isFunctionSet(String function) {
148 Iterator i = functionStack.iterator();
149 while (i.hasNext()) {
150 String func[] = (String []) i.next();
151 if (func[0].equals(function)) {
152 return true;
153 }
154 }
155 return false;
156 }
157
158 public void clearInput() {
159 input.setText("");
160 }
161
162 public void clear() {
163 input.setText("");
164 functionStack.clear();
165 }
166
167 public String value() {
168 return input.getText();
169 }
170
171 public void appendChar(char c) {
172 input.setText(this.input.getText() + c);
173 }
174
175 public void appendString(String str) {
176 input.setText(this.input.getText() + str);
177 }
178
179 public void stripLastChar() {
180 if (this.value().length() > 0) {
181 this.input.setText(this.value().substring(0, this.value().length() - 1));
182 }
183 }
184
185 public synchronized void receiveData(int[] codes, char[] chars) {
187 if (chars.length > 0 && checkChars(chars))
188 this.appendString(new String (chars));
189 }
190
191 public void keyPressed(KeyEvent event) {
193 if (event.getKeyCode() == 8 && this.value().length() > 0) {
195 this.input.setText(this.value().substring(0, this.value().length() - 1));
196 } else if (event.getKeyCode() == 27 && this.value().length() > 0) {
197 this.input.setText("");
198 }
199 }
200
201 public void keyTyped(KeyEvent event) {
202 }
203
204 public void keyReleased(KeyEvent event) {
205 }
206
207 private boolean checkChars(char[] chars) {
208 int[] idxToRemove = new int[chars.length];
209 boolean process = false;
210 int remIdx = 0;
211 for (int i = 0; i < chars.length; i++) {
212 if (((int) chars[i]) == 10 || ((int) chars[i]) == 8 || ((int) chars[i] == 27)) {
213 idxToRemove[remIdx++] = i+1;
214 } else {
215 process = true;
216 }
217 }
218
219 if (chars.length == 1) {
220 return process;
221 }
222
223 int toRemove = 0;
224 for (int i = 0; i < idxToRemove.length; i++) {
225 if (idxToRemove[i] > 0) {
226 toRemove++;
227 }
228 }
229
230 if (toRemove > 0) {
231 if (chars.length - toRemove < 1) {
232 return false;
233 }
234
235 char[] newChars = new char[chars.length - toRemove];
236 int currentIndex = 0;
237 for (int i = 0; i < chars.length; i++) {
238 boolean appendChar = true;
239 for (int x = 0; x < idxToRemove.length; x++) {
240 if ((idxToRemove[x] - 1) == i) {
241 appendChar = false;
242 continue;
243 } else {
244 }
245 }
246 if (appendChar) {
247 newChars[currentIndex] = chars[i];
248 currentIndex++;
249 }
250 }
251 }
252
253 return process;
254 }
255 }
256 |
Popular Tags |
Java API By Example, From Geeks To Geeks.