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25
26 package org.jrobin.inspector;
27
28 import org.jrobin.core.RrdException;
29 import org.jrobin.core.ArcDef;
30
31 import javax.swing.*;
32 import java.awt.*;
33 import java.awt.event.WindowEvent  ;
34 import java.awt.event.ActionListener ;
35 import java.awt.event.ActionEvent ;
36
37 class EditArchiveDialog extends JDialog {
38 private static final int FIELD_SIZE = 20;
39 private static final String TITLE_NEW = "New archive";
40 private static final String TITLE_EDIT = "Edit archive";
41
42 private JLabel consolFunLabel = new JLabel("Consolidation function: ");
43 private JLabel xffLabel = new JLabel("X-files factor: ");
44 private JLabel stepsLabel = new JLabel("Steps: ");
45 private JLabel rowsLabel = new JLabel("Rows: ");
46
47 private JComboBox consolFunCombo = new JComboBox();
48 private JTextField xffField = new JTextField(FIELD_SIZE);
49 private JTextField stepsField = new JTextField(FIELD_SIZE);
50 private JTextField rowsField = new JTextField(FIELD_SIZE);
51
52 private JButton okButton = new JButton("OK");
53 private JButton cancelButton = new JButton("Cancel");
54
55 private ArcDef arcDef;
56
57 EditArchiveDialog(Frame parent, ArcDef arcDef) {
58 super(parent, arcDef == null? TITLE_NEW: TITLE_EDIT, true);
59 constructUI(arcDef);
60 pack();
61 Util.centerOnScreen(this);
62 setVisible(true);
63 }
64
65 private void constructUI(ArcDef arcDef) {
66 String [] funs = ArcDef.CONSOL_FUNS;
68 for (int i = 0; i < funs.length; i++) {
69 consolFunCombo.addItem(funs[i]);
70 }
71 consolFunCombo.setSelectedIndex(0);
72 if(arcDef == null) {
73 xffField.setText("" + 0.5);
75 }
76 else {
77 consolFunCombo.setSelectedItem(arcDef.getConsolFun());
79 consolFunCombo.setEnabled(false);
80 xffField.setText("" + arcDef.getXff());
81 stepsField.setText("" + arcDef.getSteps());
82 stepsField.setEnabled(false);
83 rowsField.setText("" + arcDef.getRows());
84 }
86
87 JPanel content = (JPanel) getContentPane();
89 GridBagLayout layout = new GridBagLayout();
90 content.setLayout(layout);
91 GridBagConstraints gbc = new GridBagConstraints();
92 gbc.insets = new Insets(3, 3, 3, 3);
93 gbc.gridx = 0; gbc.gridy = 0; gbc.anchor = GridBagConstraints.EAST;
94 layout.setConstraints(consolFunLabel, gbc);
95 content.add(consolFunLabel);
96 gbc.gridy = 1;
97 layout.setConstraints(xffLabel, gbc);
98 content.add(xffLabel);
99 gbc.gridy = 2;
100 layout.setConstraints(stepsLabel, gbc);
101 content.add(stepsLabel);
102 gbc.gridy = 3;
103 layout.setConstraints(rowsLabel, gbc);
104 content.add(rowsLabel);
105 gbc.gridy = 4;
106 layout.setConstraints(okButton, gbc);
107 okButton.setPreferredSize(cancelButton.getPreferredSize());
108 content.add(okButton);
109 gbc.gridx = 1; gbc.gridy = 0; gbc.anchor = GridBagConstraints.WEST;
110 layout.setConstraints(consolFunCombo, gbc);
111 content.add(consolFunCombo);
112 gbc.gridy = 1;
113 layout.setConstraints(xffField, gbc);
114 content.add(xffField);
115 gbc.gridy = 2;
116 layout.setConstraints(stepsField, gbc);
117 content.add(stepsField);
118 gbc.gridy = 3;
119 layout.setConstraints(rowsField, gbc);
120 content.add(rowsField);
121 gbc.gridy = 4;
122 layout.setConstraints(cancelButton, gbc);
123 content.add(cancelButton);
124 getRootPane().setDefaultButton(okButton);
125
126 okButton.addActionListener(new ActionListener () {
128 public void actionPerformed(ActionEvent e) { ok(); }
129 });
130 cancelButton.addActionListener(new ActionListener () {
131 public void actionPerformed(ActionEvent e) { cancel(); }
132 });
133
134 setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
135 }
136
137 private void ok() {
138 arcDef = createArcDef();
139 if(arcDef != null) {
140 close();
141 }
142 }
143
144 private void close() {
145 dispatchEvent(new WindowEvent (this, WindowEvent.WINDOW_CLOSING));
146 }
147
148 private void cancel() {
149 close();
150 }
151
152 private ArcDef createArcDef() {
153 String consolFun = (String ) consolFunCombo.getSelectedItem();
154 double xff;
155 try {
156 xff = Double.parseDouble(xffField.getText());
157 if(xff < 0 || xff >= 1D) {
158 throw new NumberFormatException ();
159 }
160 }
161 catch(NumberFormatException nfe) {
162 Util.error(this, "X-files factor must be a number not less than 0.0 and less than 1.0");
163 return null;
164 }
165 int steps;
166 try {
167 steps = Integer.parseInt(stepsField.getText());
168 if(steps <= 0) {
169 throw new NumberFormatException ();
170 }
171 }
172 catch (NumberFormatException nfe) {
173 Util.error(this, "Number of steps must be a positive integer");
174 return null;
175 }
176 int rows;
177 try {
178 rows = Integer.parseInt(rowsField.getText());
179 if(rows <= 0) {
180 throw new NumberFormatException ();
181 }
182 }
183 catch (NumberFormatException nfe) {
184 Util.error(this, "Number of rows must be a positive integer");
185 return null;
186 }
187 try {
188 return new ArcDef(consolFun, xff, steps, rows);
189 }
190 catch(RrdException e) {
191 e.printStackTrace();
193 return null;
194 }
195 }
196
197 ArcDef getArcDef() {
198 return arcDef;
199 }
200 }
201 |
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