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annotate dwt/widgets/FileDialog.d @ 90:c7f7f4d7091a

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All widgets are ported
author Jacob Carlborg <doob@me.com>
date Tue, 30 Dec 2008 18:54:31 +0100
parents cce7edf30dae
children 63a09873578e
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 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 * Port to the D programming language:
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12 * Jacob Carlborg <doob@me.com>
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13 *******************************************************************************/
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14 module dwt.widgets.FileDialog;
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15
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16 import dwt.dwthelper.utils;
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17
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18
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19 import dwt.DWT;
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20 import dwt.DWTException;
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21 import dwt.internal.cocoa.NSArray;
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22 import dwt.internal.cocoa.NSOpenPanel;
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23 import dwt.internal.cocoa.NSSavePanel;
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24 import dwt.internal.cocoa.NSString;
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25 import dwt.internal.cocoa.OS;
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26
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27 import dwt.internal.objc.cocoa.Cocoa;
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28 import dwt.widgets.Dialog;
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29 import dwt.widgets.Shell;
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30
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31 /**
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32 * Instances of this class allow the user to navigate
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33 * the file system and select or enter a file name.
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34 * <dl>
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35 * <dt><b>Styles:</b></dt>
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36 * <dd>SAVE, OPEN, MULTI</dd>
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37 * <dt><b>Events:</b></dt>
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38 * <dd>(none)</dd>
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39 * </dl>
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40 * <p>
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41 * Note: Only one of the styles SAVE and OPEN may be specified.
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42 * </p><p>
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43 * IMPORTANT: This class is intended to be subclassed <em>only</em>
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44 * within the DWT implementation.
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45 * </p>
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46 *
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47 * @see <a href="http://www.eclipse.org/swt/snippets/#filedialog">FileDialog snippets</a>
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48 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample, Dialog tab</a>
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49 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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50 */
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51 public class FileDialog : Dialog {
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52 String [] filterNames;
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53 String [] filterExtensions;
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54 String [] fileNames;
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55 String filterPath = "", fileName = "";
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56 int filterIndex = -1;
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57 bool overwrite = true; //TODO: if setOverwrite(false) is implemented, change default to false for consistency
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58 static final char EXTENSION_SEPARATOR = ';';
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59
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60 /**
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61 * Constructs a new instance of this class given only its parent.
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62 *
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63 * @param parent a shell which will be the parent of the new instance
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64 *
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65 * @exception IllegalArgumentException <ul>
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66 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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67 * </ul>
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68 * @exception DWTException <ul>
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69 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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70 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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71 * </ul>
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72 */
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73 public this (Shell parent) {
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74 this (parent, DWT.APPLICATION_MODAL);
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75 }
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76
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77 /**
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78 * Constructs a new instance of this class given its parent
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79 * and a style value describing its behavior and appearance.
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80 * <p>
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81 * The style value is either one of the style constants defined in
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82 * class <code>DWT</code> which is applicable to instances of this
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83 * class, or must be built by <em>bitwise OR</em>'ing together
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84 * (that is, using the <code>int</code> "|" operator) two or more
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85 * of those <code>DWT</code> style constants. The class description
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86 * lists the style constants that are applicable to the class.
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87 * Style bits are also inherited from superclasses.
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88 * </p>
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89 *
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90 * @param parent a shell which will be the parent of the new instance
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91 * @param style the style of dialog to construct
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92 *
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93 * @exception IllegalArgumentException <ul>
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94 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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95 * </ul>
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96 * @exception DWTException <ul>
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97 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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98 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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99 * </ul>
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100 */
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101 public this (Shell parent, int style) {
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102 super (parent, checkStyle (parent, style));
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103 checkSubclass ();
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104
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105 filterNames = new String [0];
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106 filterExtensions = new String [0];
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107 fileNames = new String [0];
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108 }
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109
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110 /**
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111 * Returns the path of the first file that was
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112 * selected in the dialog relative to the filter path, or an
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113 * empty string if no such file has been selected.
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114 *
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115 * @return the relative path of the file
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116 */
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117 public String getFileName () {
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118 return fileName;
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119 }
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120
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121 /**
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122 * Returns a (possibly empty) array with the paths of all files
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123 * that were selected in the dialog relative to the filter path.
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124 *
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125 * @return the relative paths of the files
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126 */
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127 public String [] getFileNames () {
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128 return fileNames;
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129 }
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130
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131 /**
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132 * Returns the file extensions which the dialog will
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133 * use to filter the files it shows.
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134 *
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135 * @return the file extensions filter
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136 */
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137 public String [] getFilterExtensions () {
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138 return filterExtensions;
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139 }
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140
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141 /**
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142 * Get the 0-based index of the file extension filter
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143 * which was selected by the user, or -1 if no filter
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144 * was selected.
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145 * <p>
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146 * This is an index into the FilterExtensions array and
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147 * the FilterNames array.
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148 * </p>
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149 *
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150 * @return index the file extension filter index
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151 *
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152 * @see #getFilterExtensions
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153 * @see #getFilterNames
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154 *
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155 * @since 3.4
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156 */
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157 public int getFilterIndex () {
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158 return filterIndex;
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159 }
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160
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161 /**
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162 * Returns the names that describe the filter extensions
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163 * which the dialog will use to filter the files it shows.
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164 *
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165 * @return the list of filter names
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166 */
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167 public String [] getFilterNames () {
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168 return filterNames;
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169 }
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170
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171 /**
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172 * Returns the directory path that the dialog will use, or an empty
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173 * string if this is not set. File names in this path will appear
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174 * in the dialog, filtered according to the filter extensions.
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175 *
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176 * @return the directory path string
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177 *
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178 * @see #setFilterExtensions
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179 */
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180 public String getFilterPath () {
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181 return filterPath;
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182 }
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183
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184 /**
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185 * Returns the flag that the dialog will use to
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186 * determine whether to prompt the user for file
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187 * overwrite if the selected file already exists.
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188 *
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189 * @return true if the dialog will prompt for file overwrite, false otherwise
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190 *
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191 * @since 3.4
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192 */
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193 public bool getOverwrite () {
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194 return overwrite;
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195 }
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196
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197 /**
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198 * Makes the dialog visible and brings it to the front
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199 * of the display.
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200 *
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201 * @return a string describing the absolute path of the first selected file,
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202 * or null if the dialog was cancelled or an error occurred
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203 *
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204 * @exception DWTException <ul>
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205 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li>
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206 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li>
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207 * </ul>
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208 */
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209 public String open () {
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210 String fullPath = null;
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211 fileNames = new String [0];
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212 NSSavePanel panel;
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213 if ((style & DWT.SAVE) !is 0) {
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214 NSSavePanel savePanel = NSSavePanel.savePanel();
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215 panel = savePanel;
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216 } else {
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217 NSOpenPanel openPanel = NSOpenPanel.openPanel();
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218 openPanel.setAllowsMultipleSelection((style & DWT.MULTI) !is 0);
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219 panel = openPanel;
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220 }
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221 if (filterPath !is null) panel.setDirectory(NSString.stringWith(filterPath));
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222 panel.setTitle(NSString.stringWith(title !is null ? title : ""));
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cce7edf30dae Ported dwt.widgets.FileDialog
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223 NSInteger response = panel.runModal();
0
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224 if (response is OS.NSFileHandlingPanelOKButton) {
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225 NSString filename = panel.filename();
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d8635bb48c7c Merge with SWT 3.5
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226 fullPath = filename.getString();
0
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227 if ((style & DWT.SAVE) is 0) {
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e831403a80a9 Add 'cast' to casts
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228 NSArray filenames = (cast(NSOpenPanel)panel).filenames();
68
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229 NSUInteger count = filenames.count();
0
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230 fileNames = new String[count];
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231
68
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232 for (NSUInteger i = 0; i < count; i++) {
0
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233 filename = new NSString(filenames.objectAtIndex(i));
45
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234 NSString filenameOnly = filename.lastPathComponent();
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235 NSString pathOnly = filename.stringByDeletingLastPathComponent();
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236
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237 if (i is 0) {
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238 /* Filter path */
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239 filterPath = pathOnly.getString();
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240
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241 /* File name */
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242 fileName = fileNames [0] = filenameOnly.getString();
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243 } else {
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244 if (pathOnly.getString().equals (filterPath)) {
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245 fileNames [i] = filenameOnly.getString();
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246 } else {
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247 fileNames [i] = filename.getString();
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248 }
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249 }
0
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250 }
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251 }
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252 filterIndex = -1;
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253 }
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254 return fullPath;
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255 }
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256
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257 /**
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258 * Set the initial filename which the dialog will
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259 * select by default when opened to the argument,
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260 * which may be null. The name will be prefixed with
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261 * the filter path when one is supplied.
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262 *
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263 * @param string the file name
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264 */
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265 public void setFileName (String string) {
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266 fileName = string;
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267 }
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268
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269 /**
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270 * Set the file extensions which the dialog will
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271 * use to filter the files it shows to the argument,
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272 * which may be null.
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273 * <p>
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274 * The strings are platform specific. For example, on
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275 * some platforms, an extension filter string is typically
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276 * of the form "*.extension", where "*.*" matches all files.
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277 * For filters with multiple extensions, use semicolon as
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278 * a separator, e.g. "*.jpg;*.png".
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279 * </p>
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280 *
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281 * @param extensions the file extension filter
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282 *
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283 * @see #setFilterNames to specify the user-friendly
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284 * names corresponding to the extensions
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285 */
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286 public void setFilterExtensions (String [] extensions) {
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287 filterExtensions = extensions;
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288 }
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289
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290 /**
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291 * Set the 0-based index of the file extension filter
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292 * which the dialog will use initially to filter the files
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293 * it shows to the argument.
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294 * <p>
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295 * This is an index into the FilterExtensions array and
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296 * the FilterNames array.
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297 * </p>
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298 *
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299 * @param index the file extension filter index
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300 *
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301 * @see #setFilterExtensions
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302 * @see #setFilterNames
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303 *
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304 * @since 3.4
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305 */
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306 public void setFilterIndex (int index) {
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307 filterIndex = index;
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308 }
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309
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310 /**
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311 * Sets the names that describe the filter extensions
0
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312 * which the dialog will use to filter the files it shows
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313 * to the argument, which may be null.
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314 * <p>
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315 * Each name is a user-friendly short description shown for
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316 * its corresponding filter. The <code>names</code> array must
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317 * be the same length as the <code>extensions</code> array.
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318 * </p>
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319 *
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320 * @param names the list of filter names, or null for no filter names
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321 *
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322 * @see #setFilterExtensions
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323 */
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324 public void setFilterNames (String [] names) {
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325 filterNames = names;
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326 }
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327
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328 /**
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329 * Sets the directory path that the dialog will use
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330 * to the argument, which may be null. File names in this
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331 * path will appear in the dialog, filtered according
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332 * to the filter extensions. If the string is null,
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333 * then the operating system's default filter path
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334 * will be used.
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335 * <p>
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336 * Note that the path string is platform dependent.
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337 * For convenience, either '/' or '\' can be used
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338 * as a path separator.
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339 * </p>
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340 *
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341 * @param string the directory path
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342 *
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343 * @see #setFilterExtensions
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344 */
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345 public void setFilterPath (String string) {
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346 filterPath = string;
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347 }
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348
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349 /**
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350 * Sets the flag that the dialog will use to
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351 * determine whether to prompt the user for file
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352 * overwrite if the selected file already exists.
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353 *
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354 * @param overwrite true if the dialog will prompt for file overwrite, false otherwise
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355 *
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356 * @since 3.4
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357 */
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358 public void setOverwrite (bool overwrite) {
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359 //TODO: May be able to implement this with private NSSavePanel method cast(BOOL)_overwriteExistingFileCheck:(NSString *)filename
0
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360 /* See bug 223703 */
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361 //this.overwrite = overwrite;
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362 }
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363 }