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/Users/lyon/j4p/src/classUtils/gui/EditProperties.java
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1 package classUtils.gui;
2
3 import javax.swing.*;
4 import javax.swing.border.EtchedBorder;
5 import java.awt.*;
6 import java.lang.reflect.Method;
7 import java.util.StringTokenizer;
8 import java.util.Vector;
9
10
11 class EditProperties {
12
13 static private Object o;
14 protected Class c;
15 Vector listOfClasses = new Vector();
16 Vector listOfGetMethods = new Vector();
17 Vector listOfGetValues = new Vector();
18 Vector listOfSetMethods = new Vector();
19 Vector namesOfSetMethods = new Vector();
20 Vector primitiveSetMethod = new Vector();
21
22 EditProperties(Object o_) {
23 o = o_;
24 c = o.getClass();
25 loadInstanceMethods();
26 //printToConsole();
27 printToSwing();
28 }
29
30 EditProperties() {
31 o = this;
32 c = this.getClass();
33 loadInstanceMethods();
34 //printToConsole();
35 printToSwing();
36 }
37
38 private void loadInstanceMethods() {
39 do {
40 Method allMethods[] = c.getDeclaredMethods();
41 for (int x = 0; x < allMethods.length; x++) {
42 listOfClasses.addElement(c);
43 loadPublicGetters(allMethods[x]);
44 loadPublicSetters(allMethods[x]);
45 }
46 c = c.getSuperclass();
47 } while (c != Object.class);
48 }
49
50 private void loadPublicGetters(Method m) {
51 if (m.toString().indexOf("public") != -1 && (m.getName().substring(0, 3).compareTo("get") == 0 || m.getName().substring(0, 2).compareTo("is") == 0)) {
52 listOfGetMethods.addElement(m.getName());
53 loadGetValues(m);
54 }
55 }
56
57 private void loadPublicSetters(Method m) {
58 if (m.toString().indexOf("public") != -1 && m.getName().substring(0, 3).compareTo("set") == 0) {
59 listOfSetMethods.addElement(m);
60 namesOfSetMethods.addElement(m.getName());
61 primitiveSetMethod.addElement(isPrimitive(m.getParameterTypes()));
62 }
63 }
64
65 private String isPrimitive(Class[] c) {
66 String primitiveTest = "true";
67 for (int i = 0; i < c.length; i++) {
68 if (!c[i].isPrimitive() && c[i] != primitiveTest.getClass()) {
69 primitiveTest = "false";
70 }
71 }
72 return primitiveTest;
73 }
74
75 private void loadGetValues(Method m) {
76 try {
77 Method m1 = c.getMethod(m.getName(), new Class[]{});
78 Object result = m1.invoke(o, null);
79 if (result == null) {
80 listOfGetValues.addElement("null");
81 } else {
82 listOfGetValues.addElement(result);
83 }
84 } catch (Exception e) {
85 //the cause of this is most likely that the method requires parameters
86 listOfGetValues.addElement("Can't Determine Value");
87 }
88 }
89
90 public void printToSwing() {
91
92 JInternalFrame frame = new JInternalFrame(("Edit Properties"), true, true, true, true);
93 frame.setLocation(100, 100);
94 frame.setSize(400, 200);
95 frame.setBackground(Color.white);
96 ComponentEditor.desktop.add(frame);
97 frame.moveToFront();
98 frame.setVisible(true);
99
100
101 Container content = frame.getContentPane();
102 content.setLayout(new GridLayout());
103
104 JPanel p = new JPanel(new BorderLayout());
105 JPanel leftp = new JPanel(new GridLayout(0, 1));
106 JPanel rightp = new JPanel(new GridLayout(0, 1));
107 p.add(leftp, BorderLayout.WEST);
108 p.add(rightp, BorderLayout.CENTER);
109
110 JLabel property[] = new JLabel[1000];
111 JTextField value[] = new JTextField[1000];
112 String propertyName;
113 String propertyFlag;
114
115
116 for (int x = 0; x < listOfGetMethods.size(); x++) {
117 //test for corresponding setter
118 int validSetMethodFromGet = namesOfSetMethods.indexOf("s" + listOfGetMethods.elementAt(x).toString().substring(1, listOfGetMethods.elementAt(x).toString().length()));
119 int validSetMethodFromIs = namesOfSetMethods.indexOf("set" + listOfGetMethods.elementAt(x).toString().substring(2, listOfGetMethods.elementAt(x).toString().length()));
120 int validSetMethod = (validSetMethodFromGet > validSetMethodFromIs ? validSetMethodFromGet : validSetMethodFromIs);
121
122 if (validSetMethod >= 0) {
123 propertyFlag = listOfGetMethods.elementAt(x).toString().substring(0, 1);
124 if (propertyFlag.equals("g")) {
125 propertyName = listOfGetMethods.elementAt(x).toString().substring(3, listOfGetMethods.elementAt(x).toString().length());
126 } else {
127 propertyName = listOfGetMethods.elementAt(x).toString().substring(2, listOfGetMethods.elementAt(x).toString().length());
128 }
129 property[x] = new JLabel(propertyName);
130 property[x].setBorder(new EtchedBorder());
131 property[x].setOpaque(true);
132 property[x].setBackground(Color.white);
133 leftp.add(property[x]);
134
135
136 if (listOfGetValues.elementAt(x).getClass() == Dimension.class) {
137 Dimension _d = (Dimension) listOfGetValues.elementAt(x);
138 listOfGetValues.setElementAt((int) _d.getWidth() + "," + (int) _d.getHeight(), x);
139 } else if (listOfGetValues.elementAt(x).getClass() == Point.class) {
140 Point _p = (Point) listOfGetValues.elementAt(x);
141 listOfGetValues.setElementAt((int) _p.getX() + "," + (int) _p.getY(), x);
142 } else if (listOfGetValues.elementAt(x).getClass() == Rectangle.class) {
143 Rectangle _r = (Rectangle) listOfGetValues.elementAt(x);
144 listOfGetValues.setElementAt((int) _r.getX() + "," + (int) _r.getY() + "," + (int) _r.getWidth() + "," + (int) _r.getHeight(), x);
145 }
146
147 //if the setter has primitive arguments allow it to be changed
148 if (validSetMethod >= 0 && primitiveSetMethod.elementAt(validSetMethod).equals("true")) {
149 value[x] = new RunPropertyTextField(listOfGetValues.elementAt(x).toString(), validSetMethod, o.getClass()) {
150 public void run() {
151
152 StringTokenizer st = new StringTokenizer(this.getText(), ",");
153 Method t = (Method) listOfSetMethods.elementAt(this.location);
154 Class[] paramTypes = t.getParameterTypes();
155 if (paramTypes.length != st.countTokens()) {
156 JOptionPane.showMessageDialog(null, "Invalid Data. The property was not changed", "Error", JOptionPane.ERROR_MESSAGE);
157 return;
158 }
159 int n = 0;
160
161 Object arg[] = new Object[st.countTokens()];
162 while (st.hasMoreTokens()) {
163 arg[n] = convertArg(st.nextToken(), paramTypes[n]);
164 n++;
165 }
166 setProperty(this.type, t.getName(), t, arg);
167
168 }
169 };
170 value[x].setBorder(new EtchedBorder());
171 value[x].setEnabled(true);
172 } else {
173
174 value[x] = new JTextField(listOfGetValues.elementAt(x).toString());
175 value[x].setBorder(new EtchedBorder());
176 value[x].setEnabled(false);
177 }
178 rightp.add(value[x]);
179 }
180 }
181 content.setVisible(true);
182 p.setVisible(true);
183
184 JScrollPane sp = new JScrollPane(p);
185 content.add(sp);
186 frame.updateUI();
187
188 }
189
190 public static void setProperty(Class c, String setterName, Method t, Object[] args) {
191 int flag = 0;
192 do {
193 c = c.getSuperclass();
194 try {
195 Method m1 = c.getMethod(setterName, t.getParameterTypes());
196 m1.invoke(o, args);
197 flag = 1;
198 } catch (Exception e) {
199 //e.printStackTrace();
200 }
201
202 } while (c != Object.class);
203 if (flag == 0) {
204 JOptionPane.showMessageDialog(null, "Invalid Data. The property was not changed", "Error", JOptionPane.ERROR_MESSAGE);
205 }
206 }
207
208
209 protected Object convertArg(String val, Class type) {
210 if (val == null) {
211 return null;
212 }
213
214 String v = val.trim();
215 if (String.class.isAssignableFrom(type)) {
216 return val;
217 } else if (Integer.TYPE.isAssignableFrom(type)) {
218 return new Integer(v);
219 } else if (Long.TYPE.isAssignableFrom(type)) {
220 return new Long(v);
221 } else if (Boolean.TYPE.isAssignableFrom(type)) {
222 if ("true".equalsIgnoreCase(v)) {
223 return Boolean.TRUE;
224 } else if ("false".equalsIgnoreCase(v)) {
225 return Boolean.FALSE;
226 }
227 }
228 return null;
229 }
230
231
232 public void printToConsole() {
233 for (int x = 0; x < listOfGetMethods.size(); x++) {
234 System.out.println(listOfGetMethods.elementAt(x) + " = " + listOfGetValues.elementAt(x) + "\n");
235 }
236 for (int x = 0; x < listOfSetMethods.size(); x++) {
237 System.out.println(listOfSetMethods.elementAt(x) + " - " + primitiveSetMethod.elementAt(x) + "\n");
238 }
239 }
240
241 public static void main(String[] args) {
242 EditProperties e = new EditProperties(new Container());
243 }
244
245 }
246