|
/Users/lyon/j4p/src/ip/gui/dialog/ArrayDialog.java
|
1 //--------------------------------
2 //File: ArrayDialog.java
3 //Date: 03/29/99
4 //Student id: 0424811
5 //Student name: Jitendra Shiralkar
6 //Compiled on: JDK 1.2
7 //--------------------------------
8 //
9 //Class implemented: ArrayDialog
10 //Derived from: Dialog
11 //
12 //Description:
13 // The ArrayDialog class accepts string values for the array elements.
14 //The user is prompted to enter the no. of rows and columns at the system console.
15 //
16 package ip.gui.dialog;
17
18 import ip.gui.frames.ClosableFrame;
19
20 import java.awt.*;
21 import java.awt.event.ActionEvent;
22 import java.awt.event.ActionListener;
23
24
25 public class ArrayDialog extends
26 ClosableFrame implements ActionListener {
27 private TextField fields[][];
28 public Button cancelButton = new Button("Cancel");
29 public Button setButton = new Button("Set");
30 private int fieldSize;
31
32 private static int colSpace = 5;
33 private static int rowSpace = 10;
34 private Panel inputPanel = new Panel();
35
36 int noOfRows = 0, noOfCols = 0;
37
38
39 public ArrayDialog(Frame frame, String title,
40 String defaults[][], int row, int col, int _fieldSize) {
41
42 super(title);
43
44 if (row == 0) {
45 RowColLog rcl = new RowColLog();
46 } else {
47 noOfRows = row;
48 noOfCols = col;
49 }
50
51 initialize(defaults, noOfRows, noOfCols, _fieldSize);
52 pack();
53 show();
54 }
55
56 private void initialize(String defaults[][], int row, int col, int _fieldSize) {
57
58 fieldSize = _fieldSize;
59 fields = new TextField[row][col];
60
61 inputPanel.setLayout(new GridLayout(row + 1, col + 1, colSpace, rowSpace));
62
63 inputPanel.add(new Label("R\\C"));
64 for (int i = 0; i < col; i++)
65 inputPanel.add(new Label("col " + (i + 1)));
66
67 for (int i = 0; i < row; i++) {
68 inputPanel.add(new Label("row " + (i + 1)));
69
70
71 for (int j = 0; j < col; j++) {
72 if (defaults == null)
73 fields[i][j] = new TextField(fieldSize);
74 else
75 fields[i][j] = new TextField(defaults[i][j], fieldSize);
76
77 inputPanel.add(fields[i][j]);
78 }
79 }
80 add("Center", inputPanel);
81 buttonPanel();
82 }
83
84
85 private void buttonPanel() {
86 Panel p2 = new Panel();
87 p2.setLayout(new FlowLayout(FlowLayout.CENTER)); //RIGHT));
88
89 p2.add(cancelButton);
90 p2.add(setButton);
91 cancelButton.addActionListener(this);
92 setButton.addActionListener(this);
93 add("South", p2);
94 pack();
95 show();
96 }
97
98 public void printUserInput() {
99 String userInput[][] = getUserInput();
100 for (int i = 0; i < fields.length; i++) {
101 for (int j = 0; j < fields[0].length; j++) {
102 userInput[i][j] = fields[i][j].getText();
103 System.out.print(userInput[i][j] + " ");
104 }
105 System.out.println();
106 }
107 }
108
109 public String[][] getUserInput() {
110 String userInput[][] = new String[fields.length][fields[0].length];
111 for (int i = 0; i < fields.length; i++)
112 for (int j = 0; j < fields[0].length; j++)
113 userInput[i][j] = fields[i][j].getText();
114 return userInput;
115 }
116
117 public static void main(String args[]) {
118 String title = "Rotation Dialog";
119 int fieldSize = 6;
120 String defaults[][] = null;
121
122 ArrayDialog xpol = new ArrayDialog(new Frame(), title,
123 defaults, 3, 3, fieldSize);
124 }
125
126 public void actionPerformed(ActionEvent e) {
127 Button b = (Button) e.getSource();
128 if (b == cancelButton)
129 setVisible(false);
130 else
131 printUserInput();
132 }
133 //}
134
135 class RowColLog extends Dialog implements ActionListener {
136 Button okButton = new Button("OK");
137 Button cancelButton = new Button("CANCEL");
138
139 Label rowLabel = new Label("Enter no. of rows:");
140 Label colLabel = new Label("Enter no. of columns:");
141 TextField rowField = new TextField();
142 TextField colField = new TextField();
143
144
145 public RowColLog() {
146 super(new Frame(), "Rows and columns input", true); //sets the RowColLog modal
147
148 okButton.addActionListener(this);
149 cancelButton.addActionListener(this);
150
151 setLayout(new GridLayout(0, 2));
152 add(rowLabel);
153 add(rowField);
154 add(colLabel);
155 add(colField);
156 add(okButton);
157 add(cancelButton);
158
159 pack();
160 show();
161 }
162
163 public void actionPerformed(ActionEvent e) {
164 if (e.getSource() == okButton) {
165 try {
166 noOfRows = Integer.parseInt(rowField.getText());
167 noOfCols = noOfRows = Integer.parseInt(colField.getText());
168 setVisible(false);
169 } catch (NumberFormatException ne) {
170 StringBuffer message = new StringBuffer();
171 message.append("Please enter a valid integer at: ");
172 message.append(ne.getMessage());
173
174 MessageLog m1 = new MessageLog("Input error", message.toString());
175 }
176 // setVisible(false);
177 } else if (e.getSource() == cancelButton) {
178 System.exit(1);
179 }
180 }
181 }
182
183 class MessageLog extends Dialog implements ActionListener {
184 Button okButton = new Button("OK");
185 Panel buttonPanel = new Panel();
186 Label messageLabel = new Label();
187
188 public MessageLog(String title, String message) {
189 super(new Frame(), title, true); //sets the MessageLog modal
190 okButton.addActionListener(this);
191 messageLabel.setText(message);
192
193 setLayout(new GridLayout(0, 1));
194 add(messageLabel);
195 add(okButton);
196 pack();
197 show();
198 }
199
200 public void actionPerformed(ActionEvent e) {
201 if (e.getSource() == okButton)
202 setVisible(false);
203 }
204 }
205 }
206