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1 package thinlet.common;
2
3 import java.awt.*;
4 import java.io.*;
5 import java.text.*;
6 import javax.swing.*;
7 import javax.swing.filechooser.*;
8 import thinlet.*;
9
10 public class FileChooser {
11
12 public static final int OPEN_DIALOG = 0;
13 public static final int SAVE_DIALOG = 1;
14 public static final int DIRECTORY_DIALOG = 2;
15
16 private int type;
17 private Image openedicon, closedicon, fileicon;
18 private static View view;
19 {
20 if (view == null) {
21 try {
22 view = new View2();
23 } catch (NoClassDefFoundError  nfe) {
24 view = new View();
25 }
26 }
27 }
28
29 public FileChooser(Thinlet thinlet, int type) {
30 this.type = type;
31 Object dialog = Thinlet.create("dialog");
32 thinlet.setString(dialog, "text", "Choose directory");
33 thinlet.setInteger(dialog, "width", 240);
34 thinlet.setInteger(dialog, "height", 320);
35 thinlet.setBoolean(dialog, "resizable", true);
36 thinlet.setInteger(dialog, "top", -1);
37 thinlet.setInteger(dialog, "left", -1);
38 thinlet.setInteger(dialog, "bottom", -1);
39 thinlet.setInteger(dialog, "right", -1);
40
41 Object tree = Thinlet.create("tree");
42 thinlet.setInteger(tree, "weightx", 1);
43 thinlet.setInteger(tree, "weighty", 1);
44 thinlet.setBoolean(tree, "angle", true);
45 thinlet.setBoolean(tree, "line", false);
46 thinlet.setMethod(tree, "expand", "expand(thinlet, this, item)", tree, this);
47 thinlet.setMethod(tree, "collapse", "collapse(thinlet, this, item)", tree, this);
48
49 File[] roots = view.getRoots();
50 for (int i = 0; i < roots.length; i++) {
51 addNode(thinlet, tree, roots[i]);
52 }
53
54 thinlet.add(dialog, tree);
55 thinlet.add(dialog);
56 }
57
58 public void expand(Thinlet thinlet, Object tree, Object node) {
59 if (thinlet.getIcon(node, "icon") == closedicon) {
60 if (openedicon == null) {
61 openedicon = thinlet.getIcon("/icon/open.gif");
62 }
63 thinlet.setIcon(node, "icon", openedicon);
64 }
65
66 if (thinlet.getProperty(node, "load") == Boolean.TRUE) {
67 File file = (File) thinlet.getProperty(node, "file");
68 File[] files = view.getFiles(file);
69 thinlet.removeAll(node);
70 for (int i = 0; i < files.length; i++) {
71 addNode(thinlet, node, files[i]);
72 }
73 thinlet.putProperty(node, "load", null);
74 }
75 }
76
77 public void collapse(Thinlet thinlet, Object tree, Object node) {
78 if (thinlet.getIcon(node, "icon") == openedicon) {
79 thinlet.setIcon(node, "icon", closedicon);
80 }
81 }
82
83 private void addNode(Thinlet thinlet, Object node, File file) {
84 Object subnode = Thinlet.create("node");
85 thinlet.setString(subnode, "text", view.getText(file));
86 thinlet.setIcon(subnode, "icon", view.getIcon(thinlet, file));
87 thinlet.putProperty(subnode, "file", file);
88 thinlet.add(node, subnode);
89 if (file.isDirectory() || !file.isFile()) {
90 thinlet.setBoolean(subnode, "expanded", false);
91 thinlet.putProperty(subnode, "load", Boolean.TRUE);
92 Object loading = Thinlet.create("node");
93 thinlet.setString(loading, "text", "loading...");
94 thinlet.add(subnode, loading);
95 }
96 }
97
98 private class View {
99
100 public File[] getRoots() {
101 return new File[] { new File("C:\\") };
102 }
103
104 public File[] getFiles(File file) {
105 String [] list = file.list();
106 int dircount = 0;
107 File[] files = new File[list.length];
108 for (int i = 0; i < list.length; i++) {
109 files[i] = new File(file, list[i]);
110 if (files[i].isDirectory()) { String swap = list[dircount]; list[dircount] = list[i]; list[i] = swap;
112 File fwap = files[dircount]; files[dircount] = files[i]; files[i] = fwap;
113 dircount++;
114 }
115 }
116
117 Collator collator = Collator.getInstance();
118 collator.setStrength(Collator.SECONDARY);
119 for (int i = 0; i < list.length; i++) { for (int j = i; (j > 0) && ((i < dircount) || (j > dircount)) &&
121 (collator.compare(list[j - 1], list[j]) > 0); j--) {
122 String swap = list[j]; list[j] = list[j - 1]; list[j - 1] = swap;
123 File fwap = files[j]; files[j] = files[j - 1]; files[j - 1] = fwap;
124 }
125 }
126 return files;
127 }
128
129 public String getText(File file) {
130 return file.getName();
131 }
132
133 public Image getIcon(Thinlet thinlet, File file) {
134 if (file.isDirectory()) {
135 if (closedicon == null) { closedicon = thinlet.getIcon("/icon/folder.gif"); }
136 return closedicon;
137 } else {
138 if (fileicon == null) { fileicon = thinlet.getIcon("/icon/new.gif"); }
139 return fileicon;
140 }
141 }
142 }
143
144 private class View2 extends View {
145
146 private FileSystemView view = FileSystemView.getFileSystemView();
147
148 public File[] getRoots() {
149 return view.getRoots();
150 }
151
152 public File[] getFiles(File file) {
153 return view.getFiles(file, true);
154 }
155
156 public String getText(File file) {
157 return view.getSystemDisplayName(file);
158 }
159
160 public Image getIcon(Thinlet thinlet, File file) {
161 Icon icon = view.getSystemIcon(file);
162 return (icon instanceof ImageIcon) ?
163 ((ImageIcon) icon).getImage() : null;
164 }
165 }
166 } |
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