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1
4 package org.oddjob.designer.view;
5
6 import java.awt.Component  ;
7 import java.awt.Container ;
8 import java.awt.GridBagConstraints ;
9 import java.awt.GridBagLayout ;
10 import java.awt.Insets ;
11 import java.awt.event.ActionEvent ;
12 import java.awt.event.FocusEvent ;
13 import java.awt.event.FocusListener ;
14 import java.io.File ;
15 import java.util.Observable ;
16 import java.util.Observer ;
17
18 import javax.swing.AbstractAction ;
19 import javax.swing.BoxLayout ;
20 import javax.swing.JButton ;
21 import javax.swing.JFileChooser ;
22 import javax.swing.JLabel ;
23 import javax.swing.JPanel ;
24 import javax.swing.JTextField ;
25 import javax.swing.SwingConstants ;
26
27 import org.oddjob.designer.Looks;
28 import org.oddjob.designer.model.FileSelection;
29
30
33 public class FileSelectionView implements ViewProducer {
34
35 private final FileSelection fileSelection;
36 private final JLabel label;
37 private final JTextField textField;
38 private JButton detailButton;
39
40 public FileSelectionView(FileSelection fs) {
41 this.fileSelection = fs;
42
43 String title = fileSelection.getTitle();
44 StringBuffer paddedTitle = new StringBuffer ();
45 paddedTitle.append(title);
46 for (int i = title.length(); i < Looks.LABEL_SIZE; ++i) {
47 paddedTitle.append(' ');
48 }
49 label = new JLabel (paddedTitle.toString(), SwingConstants.LEADING);
50
51 textField = new JTextField (Looks.TEXT_FIELD_SIZE);
52 updateView();
53
54 textField.addFocusListener(new FocusListener () {
55 public void focusGained(FocusEvent e) {
56 }
57 public void focusLost(FocusEvent e) {
58 fileSelection.setFile(new File (textField.getText()));
59 }
60 });
61
62 fileSelection.addObserver(new Observer () {
63 public void update(Observable o, Object arg) {
64 updateView();
65 }
66 });
67
68 detailButton = new JButton ();
69 detailButton.setAction(new AbstractAction ("...") {
70 public void actionPerformed(ActionEvent e) {
71 JFileChooser chooser = new JFileChooser ();
72 if (fileSelection.getFile() != null) {
73 chooser.setCurrentDirectory(fileSelection.getFile().getParentFile());
74 }
75
76 int option = chooser.showOpenDialog(detailButton);
77
78 if (option == JFileChooser.APPROVE_OPTION) {
79 File chosen = chooser.getSelectedFile();
80 fileSelection.setFile(chosen);
81 }
82 }
83 });
84
85 }
86
87 public Component dialog() {
88 JPanel form = new JPanel ();
89 form.setLayout(new GridBagLayout ());
90 form.setBorder(Looks.groupBorder(fileSelection.getTitle()));
91
92 inline(form, 0, 0, false);
93
94 return form;
95 }
96
97 public Component group() {
98 throw new UnsupportedOperationException ("Only available inline - use a group.");
99 }
100
101
104 public Component detailEdit() {
105 throw new UnsupportedOperationException ("Can't be wrapped by a FieldElement.");
106 }
107
108 private void updateView() {
110 File file = fileSelection.getFile();
111 if (file == null) {
112 textField.setText("");
113 }
114 else {
115 textField.setText(file.getPath());
116 }
117
118 }
119
120 public Component cell() {
121 JPanel panel = new JPanel ();
122 panel.setLayout(new BoxLayout (panel, BoxLayout.X_AXIS));
123
124 detailButton.setMargin(new Insets (0, 0, 0, 0));
125 panel.add(textField);
126 panel.add(detailButton);
127 return panel;
128 }
129
130
133 public int inline(Container container, int row, int column,
134 boolean selectionInGroup) {
135 int columnCount = column;
136
137 GridBagConstraints c = new GridBagConstraints ();
138
139 c.weightx = 1.0;
140 c.weighty = 0.0;
141
142 c.fill = GridBagConstraints.HORIZONTAL;
143 c.anchor = GridBagConstraints.NORTHWEST;
144 c.gridx = columnCount++;
145 c.gridy = row;
146 if (selectionInGroup) {
147 c.gridwidth = 2;
148 columnCount++;
149 }
150
151 c.insets = new Insets (3, 3, 3, 20);
152
153 container.add(label, c);
154
155 c.fill = GridBagConstraints.NONE;
156 c.anchor = GridBagConstraints.NORTHEAST;
157 c.gridx = columnCount++;
158 c.gridwidth = 1;
159 c.insets = new Insets (3, 0, 3, 0);
160
161 container.add(textField, c);
162
163 if (detailButton != null) {
164 c.fill = GridBagConstraints.NONE;
165 c.anchor = GridBagConstraints.NORTHWEST;
166 c.gridx = columnCount++;
167
168 container.add(detailButton, c);
169 }
170 return row + 1;
171 }
172
173
176 public void setEnabled(boolean enabled) {
177 textField.setEditable(enabled);
178 detailButton.setEnabled(enabled);
179 if (!enabled) {
180 fileSelection.setFile(null);
181 }
182 }
183
184 }
185 |
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