23 import org.eclipse.swt.widgets.DirectoryDialog; |
23 import org.eclipse.swt.widgets.DirectoryDialog; |
24 import org.eclipse.swt.widgets.FileDialog; |
24 import org.eclipse.swt.widgets.FileDialog; |
25 import org.eclipse.swt.widgets.Text; |
25 import org.eclipse.swt.widgets.Text; |
26 |
26 |
27 /** |
27 /** |
28 * Utilities to make it easier to use file dialogs. |
28 * Utilities to make it easier to use file and directory dialogs which are associated |
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29 * with text entry fields. |
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30 * <p> |
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31 * First, promote UI where Browse... starts from the current textual entry rather than |
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32 * some random place. |
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33 * <p> |
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34 * Second, overcome terrible SWT behavior: even if you do set the filter path, then if it |
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35 * is not 100% correct, it will again revert to the home directory. So, find the nearest |
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36 * directory that <i>does</i> exist. |
29 */ |
37 */ |
30 public class BrowseDialogUtils { |
38 public class BrowseDialogUtils { |
31 /** |
39 /** |
32 * When issuing a "Browse..." command next to a text entry field, initialize |
40 * When issuing a "Browse..." command next to a text entry field, initialize |
33 * the dialog with the existing path in that text field. |
41 * the dialog with the nearest existing file or directory in that text field. |
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42 * @param dialog |
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43 * @param textEntry |
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44 * @pathm defaultPath the path to use when the text entry is empty |
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45 */ |
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46 public static void initializeFrom(FileDialog dialog, Text textEntry, IPath defaultPath) { |
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47 if (textEntry != null) { |
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48 String existing = textEntry.getText().trim(); |
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49 if (existing.length() > 0) { |
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50 initializeFrom(dialog, existing); |
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51 return; |
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52 } |
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53 } |
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54 if (defaultPath != null) { |
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55 initializeFrom(dialog, defaultPath); |
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56 } |
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57 } |
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58 |
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59 /** |
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60 * When issuing a "Browse..." command next to a text entry field, initialize |
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61 * the dialog with the nearest existing file or directory in that text field. |
34 * @param dialog |
62 * @param dialog |
35 * @param textEntry |
63 * @param textEntry |
36 */ |
64 */ |
37 public static void initializeFrom(FileDialog dialog, Text textEntry) { |
65 public static void initializeFrom(FileDialog dialog, Text textEntry) { |
38 if (textEntry == null) |
66 if (textEntry == null) |
39 return; |
67 return; |
40 String existing = textEntry.getText(); |
68 String existing = textEntry.getText().trim(); |
41 initializeFrom(dialog, existing); |
69 initializeFrom(dialog, existing); |
42 } |
70 } |
43 |
71 |
44 /** |
72 /** |
45 * When issuing a "Browse..." command with an expected path, initialize |
73 * When issuing a "Browse..." command with an expected file, initialize |
46 * the dialog with the existing path. |
74 * the dialog with the nearest existing file or directory. |
47 * @param dialog |
75 * @param dialog |
48 * @param path |
76 * @param path |
49 */ |
77 */ |
50 public static void initializeFrom(FileDialog dialog, IPath path) { |
78 public static void initializeFrom(FileDialog dialog, IPath path) { |
51 if (path != null) { |
79 if (path != null) { |
52 initializeFrom(dialog, path.toOSString()); |
80 initializeFrom(dialog, path.toOSString()); |
53 } |
81 } |
54 } |
82 } |
55 |
83 |
56 /** |
84 /** |
57 * When issuing a "Browse..." command with an expected path, initialize |
85 * When issuing a "Browse..." command with an expected file, initialize |
58 * the dialog with the existing path. |
86 * the dialog with the nearest existing file or directory. |
59 * @param dialog |
87 * @param dialog |
60 * @param path |
88 * @param path |
61 */ |
89 */ |
62 public static void initializeFrom(FileDialog dialog, String path) { |
90 public static void initializeFrom(FileDialog dialog, String path) { |
63 if (path != null && path.length() > 0) { |
91 if (path != null && path.length() > 0) { |
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92 boolean isDirectory = path.endsWith("/") || path.endsWith("\\"); |
64 File file = new File(path); |
93 File file = new File(path); |
65 if (file.exists()) { |
94 boolean exists = file.exists(); |
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95 if (exists) { |
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96 isDirectory = file.isDirectory(); |
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97 } |
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98 if (!isDirectory) { |
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99 dialog.setFileName(file.getName()); |
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100 } |
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101 if (exists) { |
66 if (file.isAbsolute()) { |
102 if (file.isAbsolute()) { |
67 dialog.setFilterPath(file.getParent()); |
103 dialog.setFilterPath(isDirectory ? file.getAbsolutePath() : file.getParent()); |
68 } |
104 } |
69 dialog.setFileName(file.getName()); |
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70 } else { |
105 } else { |
71 if (!file.isAbsolute()) |
106 if (!file.isAbsolute()) |
72 return; |
107 return; |
73 File dir = file.getParentFile(); |
108 File dir = file.getParentFile(); |
74 while (dir != null && !dir.exists()) { |
109 while (dir != null && !dir.exists()) { |
81 } |
116 } |
82 } |
117 } |
83 |
118 |
84 /** |
119 /** |
85 * When issuing a "Browse..." command next to a text entry field, initialize |
120 * When issuing a "Browse..." command next to a text entry field, initialize |
86 * the dialog with the existing path in that text field. |
121 * the dialog with the nearest existing directory in that text field. |
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122 * @param dialog |
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123 * @param textEntry |
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124 * @param defaultPath the default path if the text entry is empty |
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125 */ |
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126 public static void initializeFrom(DirectoryDialog dialog, Text textEntry, IPath defaultPath) { |
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127 if (textEntry != null) { |
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128 String existing = textEntry.getText().trim(); |
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129 if (existing.length() > 0) { |
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130 initializeFrom(dialog, existing); |
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131 return; |
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132 } |
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133 } |
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134 if (defaultPath != null) { |
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135 initializeFrom(dialog, defaultPath); |
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136 } |
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137 } |
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138 |
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139 /** |
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140 * When issuing a "Browse..." command next to a text entry field, initialize |
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141 * the dialog with the nearest existing directory in that text field. |
87 * @param dialog |
142 * @param dialog |
88 * @param textEntry |
143 * @param textEntry |
89 */ |
144 */ |
90 public static void initializeFrom(DirectoryDialog dialog, Text textEntry) { |
145 public static void initializeFrom(DirectoryDialog dialog, Text textEntry) { |
91 if (textEntry == null) |
146 if (textEntry == null) |
92 return; |
147 return; |
93 String existing = textEntry.getText(); |
148 String existing = textEntry.getText().trim(); |
94 initializeFrom(dialog, existing); |
149 initializeFrom(dialog, existing); |
95 } |
150 } |
96 |
151 |
97 /** |
152 /** |
98 * When issuing a "Browse..." command with an expected path, initialize |
153 * When issuing a "Browse..." command with an expected directory, initialize |
99 * the dialog with the existing path. |
154 * the dialog with the nearest existing path. |
100 * @param dialog |
155 * @param dialog |
101 * @param path |
156 * @param path |
102 */ |
157 */ |
103 public static void initializeFrom(DirectoryDialog dialog, IPath path) { |
158 public static void initializeFrom(DirectoryDialog dialog, IPath path) { |
104 if (path != null) { |
159 if (path != null) { |
105 initializeFrom(dialog, path.toOSString()); |
160 initializeFrom(dialog, path.toOSString()); |
106 } |
161 } |
107 } |
162 } |
108 |
163 |
109 /** |
164 /** |
110 * When issuing a "Browse..." command with an expected path, initialize |
165 * When issuing a "Browse..." command with an expected directory, initialize |
111 * the dialog with the existing path. |
166 * the dialog with the nearest existing path. |
112 * @param dialog |
167 * @param dialog |
113 * @param path |
168 * @param path |
114 */ |
169 */ |
115 public static void initializeFrom(DirectoryDialog dialog, String path) { |
170 public static void initializeFrom(DirectoryDialog dialog, String path) { |
116 if (path != null && path.length() > 0) { |
171 if (path != null && path.length() > 0) { |