Mercurial > projects > dwt-mac
annotate dwt/widgets/FileDialog.d @ 7:e831403a80a9
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author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 27 Aug 2008 14:30:35 +0200 |
parents | 1a8b3cb347e0 |
children | d8635bb48c7c |
rev | line source |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 *******************************************************************************/ |
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11 module dwt.widgets.FileDialog; |
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12 |
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13 import dwt.dwthelper.utils; |
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14 |
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15 |
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16 import dwt.DWT; |
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17 import dwt.DWTException; |
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18 import dwt.internal.cocoa.NSArray; |
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19 import dwt.internal.cocoa.NSOpenPanel; |
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20 import dwt.internal.cocoa.NSSavePanel; |
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21 import dwt.internal.cocoa.NSString; |
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22 import dwt.internal.cocoa.OS; |
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23 |
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24 /** |
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25 * Instances of this class allow the user to navigate |
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26 * the file system and select or enter a file name. |
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27 * <dl> |
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28 * <dt><b>Styles:</b></dt> |
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29 * <dd>SAVE, OPEN, MULTI</dd> |
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30 * <dt><b>Events:</b></dt> |
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31 * <dd>(none)</dd> |
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32 * </dl> |
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33 * <p> |
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34 * Note: Only one of the styles SAVE and OPEN may be specified. |
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35 * </p><p> |
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36 * IMPORTANT: This class is intended to be subclassed <em>only</em> |
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37 * within the DWT implementation. |
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38 * </p> |
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39 */ |
3 | 40 public class FileDialog : Dialog { |
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41 String [] filterNames = new String [0]; |
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42 String [] filterExtensions = new String [0]; |
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43 String [] fileNames = new String[0]; |
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44 String filterPath = "", fileName = ""; |
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45 int filterIndex = -1; |
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46 bool overwrite = true; //TODO: if setOverwrite(false) is implemented, change default to false for consistency |
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47 static final char EXTENSION_SEPARATOR = ';'; |
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48 |
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49 /** |
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50 * Constructs a new instance of this class given only its parent. |
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51 * |
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52 * @param parent a shell which will be the parent of the new instance |
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53 * |
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54 * @exception IllegalArgumentException <ul> |
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55 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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56 * </ul> |
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57 * @exception DWTException <ul> |
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58 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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59 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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60 * </ul> |
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61 */ |
5 | 62 public this (Shell parent) { |
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63 this (parent, DWT.APPLICATION_MODAL); |
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64 } |
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65 |
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66 /** |
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67 * Constructs a new instance of this class given its parent |
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68 * and a style value describing its behavior and appearance. |
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69 * <p> |
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70 * The style value is either one of the style constants defined in |
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71 * class <code>DWT</code> which is applicable to instances of this |
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72 * class, or must be built by <em>bitwise OR</em>'ing together |
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73 * (that is, using the <code>int</code> "|" operator) two or more |
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74 * of those <code>DWT</code> style constants. The class description |
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75 * lists the style constants that are applicable to the class. |
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76 * Style bits are also inherited from superclasses. |
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77 * </p> |
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78 * |
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79 * @param parent a shell which will be the parent of the new instance |
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80 * @param style the style of dialog to construct |
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81 * |
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82 * @exception IllegalArgumentException <ul> |
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83 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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84 * </ul> |
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85 * @exception DWTException <ul> |
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86 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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87 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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88 * </ul> |
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89 */ |
5 | 90 public this (Shell parent, int style) { |
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91 super (parent, style); |
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92 checkSubclass (); |
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93 } |
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94 |
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95 /** |
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96 * Returns the path of the first file that was |
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97 * selected in the dialog relative to the filter path, or an |
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98 * empty string if no such file has been selected. |
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99 * |
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100 * @return the relative path of the file |
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101 */ |
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102 public String getFileName () { |
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103 return fileName; |
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104 } |
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105 |
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106 /** |
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107 * Returns a (possibly empty) array with the paths of all files |
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108 * that were selected in the dialog relative to the filter path. |
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109 * |
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110 * @return the relative paths of the files |
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111 */ |
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112 public String [] getFileNames () { |
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113 return fileNames; |
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114 } |
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115 |
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116 /** |
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117 * Returns the file extensions which the dialog will |
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118 * use to filter the files it shows. |
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119 * |
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120 * @return the file extensions filter |
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121 */ |
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122 public String [] getFilterExtensions () { |
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123 return filterExtensions; |
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124 } |
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125 |
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126 /** |
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127 * Get the 0-based index of the file extension filter |
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128 * which was selected by the user, or -1 if no filter |
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129 * was selected. |
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130 * <p> |
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131 * This is an index into the FilterExtensions array and |
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132 * the FilterNames array. |
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133 * </p> |
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134 * |
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135 * @return index the file extension filter index |
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136 * |
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137 * @see #getFilterExtensions |
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138 * @see #getFilterNames |
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139 * |
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140 * @since 3.4 |
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141 */ |
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142 public int getFilterIndex () { |
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143 return filterIndex; |
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144 } |
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145 |
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146 /** |
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147 * Returns the names that describe the filter extensions |
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148 * which the dialog will use to filter the files it shows. |
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149 * |
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150 * @return the list of filter names |
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151 */ |
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152 public String [] getFilterNames () { |
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153 return filterNames; |
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154 } |
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155 |
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156 /** |
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157 * Returns the directory path that the dialog will use, or an empty |
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158 * string if this is not set. File names in this path will appear |
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159 * in the dialog, filtered according to the filter extensions. |
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160 * |
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161 * @return the directory path string |
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162 * |
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163 * @see #setFilterExtensions |
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164 */ |
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165 public String getFilterPath () { |
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166 return filterPath; |
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167 } |
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168 |
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169 /** |
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170 * Returns the flag that the dialog will use to |
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171 * determine whether to prompt the user for file |
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172 * overwrite if the selected file already exists. |
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173 * |
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174 * @return true if the dialog will prompt for file overwrite, false otherwise |
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175 * |
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176 * @since 3.4 |
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177 */ |
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178 public bool getOverwrite () { |
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179 return overwrite; |
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180 } |
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181 |
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182 /** |
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183 * Makes the dialog visible and brings it to the front |
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184 * of the display. |
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185 * |
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186 * @return a string describing the absolute path of the first selected file, |
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187 * or null if the dialog was cancelled or an error occurred |
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188 * |
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189 * @exception DWTException <ul> |
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190 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> |
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191 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> |
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192 * </ul> |
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193 */ |
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194 public String open () { |
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195 String fullPath = null; |
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196 fileNames = new String [0]; |
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197 NSSavePanel panel; |
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198 if ((style & DWT.SAVE) !is 0) { |
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199 NSSavePanel savePanel = NSSavePanel.savePanel(); |
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200 panel = savePanel; |
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201 } else { |
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202 NSOpenPanel openPanel = NSOpenPanel.openPanel(); |
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203 openPanel.setAllowsMultipleSelection((style & DWT.MULTI) !is 0); |
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204 panel = openPanel; |
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205 } |
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206 if (filterPath !is null) panel.setDirectory(NSString.stringWith(filterPath)); |
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207 panel.setTitle(NSString.stringWith(title !is null ? title : "")); |
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208 int response = panel.runModal(); |
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209 if (response is OS.NSFileHandlingPanelOKButton) { |
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210 NSString filename = panel.filename(); |
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211 char[] buffer = new char[filename.length()]; |
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212 filename.getCharacters_(buffer); |
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213 fullPath = new String(buffer); |
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214 if ((style & DWT.SAVE) is 0) { |
7 | 215 NSArray filenames = (cast(NSOpenPanel)panel).filenames(); |
0
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216 int count = filenames.count(); |
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217 fileNames = new String[count]; |
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218 for (int i = 0; i < count; i++) { |
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219 filename = new NSString(filenames.objectAtIndex(i)); |
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220 buffer = new char[filename.length()]; |
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221 filename.getCharacters_(buffer); |
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222 fileNames[i] = new String(buffer); |
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223 } |
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224 } |
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225 filterIndex = -1; |
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226 } |
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227 return fullPath; |
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228 } |
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229 |
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230 /** |
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231 * Set the initial filename which the dialog will |
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232 * select by default when opened to the argument, |
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233 * which may be null. The name will be prefixed with |
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234 * the filter path when one is supplied. |
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235 * |
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236 * @param string the file name |
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237 */ |
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238 public void setFileName (String string) { |
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239 fileName = string; |
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240 } |
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241 |
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242 /** |
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243 * Set the file extensions which the dialog will |
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244 * use to filter the files it shows to the argument, |
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245 * which may be null. |
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246 * <p> |
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247 * The strings are platform specific. For example, on |
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248 * Windows, an extension filter string is typically of |
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249 * the form "*.extension", where "*.*" matches all files. |
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250 * </p> |
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251 * |
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252 * @param extensions the file extension filter |
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253 * |
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254 * @see #setFilterNames to specify the user-friendly |
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255 * names corresponding to the extensions |
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256 */ |
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257 public void setFilterExtensions (String [] extensions) { |
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258 filterExtensions = extensions; |
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259 } |
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260 |
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261 /** |
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262 * Set the 0-based index of the file extension filter |
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263 * which the dialog will use initially to filter the files |
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264 * it shows to the argument. |
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265 * <p> |
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266 * This is an index into the FilterExtensions array and |
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267 * the FilterNames array. |
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268 * </p> |
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269 * |
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270 * @param index the file extension filter index |
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271 * |
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272 * @see #setFilterExtensions |
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273 * @see #setFilterNames |
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274 * |
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275 * @since 3.4 |
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276 */ |
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277 public void setFilterIndex (int index) { |
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278 filterIndex = index; |
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279 } |
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280 |
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281 /** |
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282 * Sets the the names that describe the filter extensions |
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283 * which the dialog will use to filter the files it shows |
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284 * to the argument, which may be null. |
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285 * <p> |
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286 * Each name is a user-friendly short description shown for |
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287 * its corresponding filter. The <code>names</code> array must |
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288 * be the same length as the <code>extensions</code> array. |
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289 * </p> |
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290 * |
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291 * @param names the list of filter names, or null for no filter names |
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292 * |
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293 * @see #setFilterExtensions |
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294 */ |
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295 public void setFilterNames (String [] names) { |
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296 filterNames = names; |
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297 } |
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298 |
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299 /** |
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300 * Sets the directory path that the dialog will use |
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301 * to the argument, which may be null. File names in this |
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302 * path will appear in the dialog, filtered according |
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303 * to the filter extensions. If the string is null, |
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304 * then the operating system's default filter path |
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305 * will be used. |
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306 * <p> |
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307 * Note that the path string is platform dependent. |
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308 * For convenience, either '/' or '\' can be used |
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309 * as a path separator. |
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310 * </p> |
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311 * |
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312 * @param string the directory path |
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313 * |
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314 * @see #setFilterExtensions |
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315 */ |
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316 public void setFilterPath (String string) { |
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317 filterPath = string; |
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318 } |
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319 |
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320 /** |
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321 * Sets the flag that the dialog will use to |
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322 * determine whether to prompt the user for file |
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323 * overwrite if the selected file already exists. |
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324 * |
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325 * @param overwrite true if the dialog will prompt for file overwrite, false otherwise |
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326 * |
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327 * @since 3.4 |
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328 */ |
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329 public void setOverwrite (bool overwrite) { |
7 | 330 //TODO: May be able to implement this with private NSSavePanel method cast(BOOL)_overwriteExistingFileCheck:(NSString *)filename |
0
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331 /* See bug 223703 */ |
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332 //this.overwrite = overwrite; |
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333 } |
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334 } |