Mercurial > projects > dwt-addons
annotate dwtx/jface/dialogs/DialogSettings.d @ 178:1470d66733fa
update TANGOSVN
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 15 Sep 2008 03:42:10 +0200 |
| parents | 04b47443bb01 |
| children | 0ea0c9f9008f |
| rev | line source |
|---|---|
| 19 | 1 /******************************************************************************* |
| 90 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 19 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.dialogs.DialogSettings; | |
| 14 | |
| 15 import dwtx.jface.dialogs.IDialogSettings; | |
| 16 | |
| 17 | |
| 18 static import tango.text.xml.Document; | |
| 19 static import tango.text.xml.SaxParser; | |
| 20 static import tango.text.xml.PullParser; | |
| 21 | |
| 22 import dwt.dwthelper.utils; | |
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23 import dwtx.dwtxhelper.Collection; |
| 19 | 24 static import dwt.dwthelper.OutputStream; |
| 25 static import tango.text.convert.Integer; | |
| 26 static import tango.text.convert.Float; | |
| 27 static import tango.text.Text; | |
| 28 static import tango.io.File; | |
| 29 static import tango.io.Print; | |
| 30 static import tango.io.model.IConduit; | |
| 31 static import tango.io.stream.FileStream; | |
| 32 static import tango.text.convert.Format; | |
| 33 import tango.core.Exception; | |
| 34 alias tango.text.Text.Text!(char) StringBuffer; | |
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35 import dwt.dwthelper.XmlTranscode; |
| 19 | 36 |
| 37 /** | |
| 38 * Concrete implementation of a dialog settings (<code>IDialogSettings</code>) | |
| 39 * using a hash table and XML. The dialog store can be read | |
| 40 * from and saved to a stream. All keys and values must be strings or array of | |
| 41 * strings. Primitive types are converted to strings. | |
| 42 * <p> | |
| 43 * This class was not designed to be subclassed. | |
| 44 * | |
| 45 * Here is an example of using a DialogSettings: | |
| 46 * </p> | |
| 47 * <pre> | |
| 48 * <code> | |
| 49 * DialogSettings settings = new DialogSettings("root"); | |
| 50 * settings.put("Boolean1",true); | |
| 51 * settings.put("Long1",100); | |
| 52 * settings.put("Array1",new String[]{"aaaa1","bbbb1","cccc1"}); | |
| 53 * DialogSettings section = new DialogSettings("sectionName"); | |
| 54 * settings.addSection(section); | |
| 55 * section.put("Int2",200); | |
| 56 * section.put("Float2",1.1); | |
| 57 * section.put("Array2",new String[]{"aaaa2","bbbb2","cccc2"}); | |
| 58 * settings.save("c:\\temp\\test\\dialog.xml"); | |
| 59 * </code> | |
| 60 * </pre> | |
| 90 | 61 * @noextend This class is not intended to be subclassed by clients. |
| 19 | 62 */ |
| 63 | |
| 64 public class DialogSettings : IDialogSettings { | |
| 65 alias tango.text.xml.Document.Document!(char) Document; | |
| 66 alias tango.text.xml.Document.Document!(char).Node Element; | |
| 67 // The name of the DialogSettings. | |
| 68 private String name; | |
| 69 | |
| 70 /* A Map of DialogSettings representing each sections in a DialogSettings. | |
| 71 It maps the DialogSettings' name to the DialogSettings */ | |
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72 private Map sections; |
| 19 | 73 |
| 74 /* A Map with all the keys and values of this sections. | |
| 75 Either the keys an values are restricted to strings. */ | |
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76 private Map items; |
| 19 | 77 |
| 78 // A Map with all the keys mapped to array of strings. | |
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79 private Map arrayItems; |
| 19 | 80 |
| 81 private static const String TAG_SECTION = "section";//$NON-NLS-1$ | |
| 82 | |
| 83 private static const String TAG_NAME = "name";//$NON-NLS-1$ | |
| 84 | |
| 85 private static const String TAG_KEY = "key";//$NON-NLS-1$ | |
| 86 | |
| 87 private static const String TAG_VALUE = "value";//$NON-NLS-1$ | |
| 88 | |
| 89 private static const String TAG_LIST = "list";//$NON-NLS-1$ | |
| 90 | |
| 91 private static const String TAG_ITEM = "item";//$NON-NLS-1$ | |
| 92 | |
| 93 /** | |
| 94 * Create an empty dialog settings which loads and saves its | |
| 95 * content to a file. | |
| 96 * Use the methods <code>load(String)</code> and <code>store(String)</code> | |
| 97 * to load and store this dialog settings. | |
| 98 * | |
| 99 * @param sectionName the name of the section in the settings. | |
| 100 */ | |
| 101 public this(String sectionName) { | |
| 102 name = sectionName; | |
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103 items = new HashMap(); |
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104 arrayItems = new HashMap(); |
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105 sections = new HashMap(); |
| 19 | 106 } |
| 107 | |
| 108 /* (non-Javadoc) | |
| 109 * Method declared on IDialogSettings. | |
| 110 */ | |
| 111 public IDialogSettings addNewSection(String sectionName) { | |
| 112 DialogSettings section = new DialogSettings(sectionName); | |
| 113 addSection(section); | |
| 114 return section; | |
| 115 } | |
| 116 | |
| 117 /* (non-Javadoc) | |
| 118 * Method declared on IDialogSettings. | |
| 119 */ | |
| 120 public void addSection(IDialogSettings section) { | |
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121 sections.put(stringcast(section.getName()), cast(Object)section); |
| 19 | 122 } |
| 123 | |
| 124 /* (non-Javadoc) | |
| 125 * Method declared on IDialogSettings. | |
| 126 */ | |
| 127 public String get(String key) { | |
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128 return stringcast(items.get(stringcast(key))); |
| 19 | 129 } |
| 130 | |
| 131 /* (non-Javadoc) | |
| 132 * Method declared on IDialogSettings. | |
| 133 */ | |
| 134 public String[] getArray(String key) { | |
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135 return stringArrayFromObject(arrayItems.get(stringcast(key))); |
| 19 | 136 } |
| 137 | |
| 138 /* (non-Javadoc) | |
| 139 * Method declared on IDialogSettings. | |
| 140 */ | |
| 141 public bool getBoolean(String key) { | |
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142 return stringcast(items.get(stringcast(key))) == "true"; |
| 19 | 143 } |
| 144 | |
| 145 /* (non-Javadoc) | |
| 146 * Method declared on IDialogSettings. | |
| 147 */ | |
| 148 public double getDouble(String key) { | |
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149 String setting = stringcast(items.get(stringcast(key))); |
| 19 | 150 if (setting is null) { |
| 151 throw new NumberFormatException( | |
| 152 "There is no setting associated with the key \"" ~ key ~ "\"");//$NON-NLS-1$ //$NON-NLS-2$ | |
| 153 } | |
| 154 | |
| 155 return tango.text.convert.Float.toFloat(setting); | |
| 156 } | |
| 157 | |
| 158 /* (non-Javadoc) | |
| 159 * Method declared on IDialogSettings. | |
| 160 */ | |
| 161 public float getFloat(String key) { | |
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162 String setting = stringcast(items.get(stringcast(key))); |
| 19 | 163 if (setting is null) { |
| 164 throw new NumberFormatException( | |
| 165 "There is no setting associated with the key \"" ~ key ~ "\"");//$NON-NLS-1$ //$NON-NLS-2$ | |
| 166 } | |
| 167 | |
| 168 return tango.text.convert.Float.toFloat(setting); | |
| 169 } | |
| 170 | |
| 171 /* (non-Javadoc) | |
| 172 * Method declared on IDialogSettings. | |
| 173 */ | |
| 174 public int getInt(String key) { | |
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175 String setting = stringcast(items.get(stringcast(key))); |
| 19 | 176 if (setting is null) { |
| 177 //new Integer(null) will throw a NumberFormatException and meet our spec, but this message | |
| 178 //is clearer. | |
| 179 throw new NumberFormatException( | |
| 180 "There is no setting associated with the key \"" ~ key ~ "\"");//$NON-NLS-1$ //$NON-NLS-2$ | |
| 181 } | |
| 182 | |
| 183 return tango.text.convert.Integer.toInt(setting); | |
| 184 } | |
| 185 | |
| 186 /* (non-Javadoc) | |
| 187 * Method declared on IDialogSettings. | |
| 188 */ | |
| 189 public long getLong(String key) { | |
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190 String setting = stringcast(items.get(stringcast(key))); |
| 19 | 191 if (setting is null) { |
| 192 //new Long(null) will throw a NumberFormatException and meet our spec, but this message | |
| 193 //is clearer. | |
| 194 throw new NumberFormatException( | |
| 195 "There is no setting associated with the key \"" ~ key ~ "\"");//$NON-NLS-1$ //$NON-NLS-2$ | |
| 196 } | |
| 197 | |
| 198 return tango.text.convert.Integer.toLong(setting); | |
| 199 } | |
| 200 | |
| 201 /* (non-Javadoc) | |
| 202 * Method declared on IDialogSettings. | |
| 203 */ | |
| 204 public String getName() { | |
| 205 return name; | |
| 206 } | |
| 207 | |
| 208 /* (non-Javadoc) | |
| 209 * Method declared on IDialogSettings. | |
| 210 */ | |
| 211 public IDialogSettings getSection(String sectionName) { | |
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212 return cast(IDialogSettings) sections.get(stringcast(sectionName)); |
| 19 | 213 } |
| 214 | |
| 215 /* (non-Javadoc) | |
| 216 * Method declared on IDialogSettings. | |
| 217 */ | |
| 218 public IDialogSettings[] getSections() { | |
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219 Collection values = sections.values(); |
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220 IDialogSettings[] result = arraycast!(IDialogSettings)( values.toArray() ); |
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221 return result; |
| 19 | 222 } |
| 223 | |
| 224 /* (non-Javadoc) | |
| 225 * Method declared on IDialogSettings. | |
| 226 */ | |
| 227 public void load( tango.io.model.IConduit.InputStream input) { | |
| 228 Document document = new Document(); | |
| 229 try { | |
| 230 char[] content; | |
| 231 char[1024] readbuf; | |
| 232 int chunksize = 0; | |
| 233 while( (chunksize=input.read(readbuf)) !is tango.io.model.IConduit.InputStream.Eof ){ | |
| 234 content ~= readbuf[ 0 .. chunksize ]; | |
| 235 } | |
| 236 document.parse( content ); | |
| 237 | |
| 238 //Strip out any comments first | |
| 239 foreach( n; document.query[].filter( delegate bool(Element n) { | |
| 240 return n.type is tango.text.xml.PullParser.XmlNodeType.Comment ; | |
| 241 })){ | |
| 242 //TODO: remove() was added after tango 0.99.5 | |
| 243 //n.remove(); | |
| 244 } | |
| 245 load(document, document.root.firstChild ); | |
| 246 } catch (IOException e) { | |
| 247 // ignore | |
| 248 } catch (TextException e) { | |
| 249 // ignore | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 /* (non-Javadoc) | |
| 254 * Method declared on IDialogSettings. | |
| 255 */ | |
| 256 //TODO: solve overload load(char[]) | |
| 257 public void load(String fileName) { | |
| 258 auto f = new tango.io.stream.FileStream.FileInput( fileName ); | |
| 259 load( f.input ); | |
| 260 f.close; | |
| 261 } | |
| 262 | |
| 263 /* (non-Javadoc) | |
| 264 * Load the setting from the <code>document</code> | |
| 265 */ | |
| 266 private void load(Document document, Element root) { | |
| 267 | |
| 268 name = root.getAttribute(TAG_NAME).value(); | |
| 269 | |
| 270 foreach( n; root.query[TAG_ITEM] ){ | |
| 271 if( root is n.parent() ){ | |
| 272 String key = n.getAttribute(TAG_KEY).value().dup; | |
| 273 String value = n.getAttribute(TAG_VALUE).value().dup; | |
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274 items.put(stringcast(key), stringcast(value)); |
| 19 | 275 } |
| 276 } | |
| 277 foreach( n; root.query[TAG_LIST].dup ){ | |
| 278 if( root is n.parent() ){ | |
| 279 auto child = n; | |
| 280 String key = child.getAttribute(TAG_KEY).value().dup; | |
| 281 char[][] valueList; | |
| 282 foreach( node; root.query[TAG_ITEM].dup ){ | |
| 283 if (child is node.parent()) { | |
| 284 valueList ~= node.getAttribute(TAG_VALUE).value().dup; | |
| 285 } | |
| 286 } | |
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287 arrayItems.put(stringcast(key), new ArrayWrapperString2(valueList) ); |
| 19 | 288 } |
| 289 } | |
| 290 foreach( n; root.query[TAG_SECTION].dup ){ | |
| 291 if( root is n.parent() ){ | |
| 292 DialogSettings s = new DialogSettings("NoName");//$NON-NLS-1$ | |
| 293 s.load(document, n); | |
| 294 addSection(s); | |
| 295 } | |
| 296 } | |
| 297 } | |
| 298 | |
| 299 /* (non-Javadoc) | |
| 300 * Method declared on IDialogSettings. | |
| 301 */ | |
| 302 public void put(String key, String[] value) { | |
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303 arrayItems.put(stringcast(key), new ArrayWrapperString2(value)); |
| 19 | 304 } |
| 305 | |
| 306 /* (non-Javadoc) | |
| 307 * Method declared on IDialogSettings. | |
| 308 */ | |
| 309 public void put(String key, double value) { | |
| 310 put(key, tango.text.convert.Float.toString(value)); | |
| 311 } | |
| 312 | |
| 313 /* (non-Javadoc) | |
| 314 * Method declared on IDialogSettings. | |
| 315 */ | |
| 316 public void put(String key, float value) { | |
| 317 put(key, tango.text.convert.Float.toString(value)); | |
| 318 } | |
| 319 | |
| 320 /* (non-Javadoc) | |
| 321 * Method declared on IDialogSettings. | |
| 322 */ | |
| 323 public void put(String key, int value) { | |
| 324 put(key, tango.text.convert.Integer.toString(value)); | |
| 325 } | |
| 326 | |
| 327 /* (non-Javadoc) | |
| 328 * Method declared on IDialogSettings. | |
| 329 */ | |
| 330 public void put(String key, long value) { | |
| 331 put(key, tango.text.convert.Integer.toString(value)); | |
| 332 } | |
| 333 | |
| 334 /* (non-Javadoc) | |
| 335 * Method declared on IDialogSettings. | |
| 336 */ | |
| 337 public void put(String key, String value) { | |
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338 items.put(stringcast(key), stringcast(value)); |
| 19 | 339 } |
| 340 | |
| 341 /* (non-Javadoc) | |
| 342 * Method declared on IDialogSettings. | |
| 343 */ | |
| 344 public void put(String key, bool value) { | |
| 345 put(key, value ? "true" : "false" ); | |
| 346 } | |
| 347 | |
| 348 /* (non-Javadoc) | |
| 349 * Method declared on IDialogSettings. | |
| 350 */ | |
| 351 public void save(tango.io.model.IConduit.OutputStream writer) { | |
| 352 save(new XMLWriter(writer)); | |
| 353 } | |
| 354 | |
| 355 | |
| 356 /* (non-Javadoc) | |
| 357 * Method declared on IDialogSettings. | |
| 358 */ | |
| 359 public void save(String fileName) { | |
| 360 auto stream = new tango.io.stream.FileStream.FileOutput(fileName); | |
| 361 XMLWriter writer = new XMLWriter(stream.output); | |
| 362 save(writer); | |
| 363 writer.close(); | |
| 364 } | |
| 365 | |
| 366 /* (non-Javadoc) | |
| 367 * Save the settings in the <code>document</code>. | |
| 368 */ | |
| 369 private void save(XMLWriter out_) { | |
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370 HashMap attributes = new HashMap(2); |
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371 attributes.put(stringcast(TAG_NAME), stringcast(name is null ? "" : name)); //$NON-NLS-1$ |
| 19 | 372 out_.startTag(TAG_SECTION, attributes); |
| 373 attributes.clear(); | |
| 374 | |
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375 Object EMPTY_STR = new ArrayWrapperString(""); |
| 19 | 376 foreach( key,value; items ){ |
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377 attributes.put(stringcast(TAG_KEY), key is null ? EMPTY_STR : key); //$NON-NLS-1$ |
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378 String string = stringcast(value);//cast(String) items.get(stringcast(key)); |
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379 attributes.put(stringcast(TAG_VALUE), stringcast(string is null ? "" : string)); //$NON-NLS-1$ |
| 19 | 380 out_.printTag(TAG_ITEM, attributes, true); |
| 381 } | |
| 382 | |
| 383 attributes.clear(); | |
| 384 foreach( key,value; arrayItems ){ | |
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385 attributes.put(stringcast(TAG_KEY), key is null ? EMPTY_STR : key); //$NON-NLS-1$ |
| 19 | 386 out_.startTag(TAG_LIST, attributes); |
| 387 attributes.clear(); | |
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388 String[] strValues = stringArrayFromObject(value); |
| 19 | 389 if (value !is null) { |
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390 for (int index = 0; index < strValues.length; index++) { |
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391 String string = strValues[index]; |
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392 attributes.put(stringcast(TAG_VALUE), stringcast(string is null ? "" : string)); //$NON-NLS-1$ |
| 19 | 393 out_.printTag(TAG_ITEM, attributes, true); |
| 394 } | |
| 395 } | |
| 396 out_.endTag(TAG_LIST); | |
| 397 attributes.clear(); | |
| 398 } | |
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399 for (Iterator i = sections.values().iterator(); i.hasNext();) { |
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400 (cast(DialogSettings) i.next()).save(out_); |
| 19 | 401 } |
| 402 out_.endTag(TAG_SECTION); | |
| 403 } | |
| 404 | |
| 405 | |
| 406 /** | |
| 407 * A simple XML writer. Using this instead of the javax.xml.transform classes allows | |
| 408 * compilation against JCL Foundation (bug 80059). | |
| 409 */ | |
| 410 private static class XMLWriter : tango.io.Print.Print!(char) { | |
| 411 /** current number of tabs to use for ident */ | |
| 412 protected int tab; | |
| 413 | |
| 414 /** the xml header */ | |
| 415 protected static const String XML_VERSION = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"; //$NON-NLS-1$ | |
| 416 | |
| 417 /** | |
| 418 * Create a new XMLWriter | |
| 419 * @param output the write to used when writing to | |
| 420 */ | |
| 421 public this(tango.io.model.IConduit.OutputStream output) { | |
| 422 super( tango.text.convert.Format.Format, output); | |
| 423 tab = 0; | |
| 424 print(XML_VERSION); | |
| 425 newline; | |
| 426 } | |
| 427 | |
| 428 /** | |
| 429 * write the intended end tag | |
| 430 * @param name the name of the tag to end | |
| 431 */ | |
| 432 public void endTag(String name) { | |
| 433 tab--; | |
| 434 printTag("/" ~ name, null, false); //$NON-NLS-1$ | |
| 435 } | |
| 436 | |
| 437 private void printTabulation() { | |
| 438 for (int i = 0; i < tab; i++) { | |
| 439 super.print('\t'); | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 /** | |
| 444 * write the tag to the stream and format it by itending it and add new line after the tag | |
| 445 * @param name the name of the tag | |
| 446 * @param parameters map of parameters | |
| 447 * @param close should the tag be ended automatically (=> empty tag) | |
| 448 */ | |
|
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changeset
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449 public void printTag(String name, HashMap parameters, bool close) { |
| 19 | 450 printTag(name, parameters, true, true, close); |
| 451 } | |
| 452 | |
|
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parents:
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diff
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453 private void printTag(String name, HashMap parameters, bool shouldTab, bool newLine, bool close) { |
| 19 | 454 StringBuffer sb = new StringBuffer(); |
| 455 sb.append('<'); | |
| 456 sb.append(name); | |
| 457 if (parameters !is null) { | |
|
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Frank Benoit <benoit@tionex.de>
parents:
90
diff
changeset
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458 for (Enumeration e = Collections.enumeration(parameters.keySet()); e.hasMoreElements();) { |
| 19 | 459 sb.append(" "); //$NON-NLS-1$ |
|
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Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
90
diff
changeset
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460 String key = stringcast( e.nextElement()); |
| 19 | 461 sb.append(key); |
| 462 sb.append("=\""); //$NON-NLS-1$ | |
|
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Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
90
diff
changeset
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463 //sb.append(getEscaped(String.valueOf(parameters.get(key)))); |
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04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
90
diff
changeset
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464 sb.append(xmlEscape(stringcast(parameters.get(stringcast(key))))); |
| 19 | 465 sb.append("\""); //$NON-NLS-1$ |
| 466 } | |
| 467 } | |
| 468 if (close) { | |
| 469 sb.append('/'); | |
| 470 } | |
| 471 sb.append('>'); | |
| 472 if (shouldTab) { | |
| 473 printTabulation(); | |
| 474 } | |
| 475 if (newLine) { | |
| 476 print(sb.toString()); | |
| 477 newline; | |
| 478 } else { | |
| 479 print(sb.toString()); | |
| 480 } | |
| 481 } | |
| 482 | |
| 483 /** | |
| 484 * start the tag | |
| 485 * @param name the name of the tag | |
| 486 * @param parameters map of parameters | |
| 487 */ | |
|
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Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
90
diff
changeset
|
488 public void startTag(String name, HashMap parameters) { |
| 19 | 489 startTag(name, parameters, true); |
| 490 tab++; | |
| 491 } | |
| 492 | |
|
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Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
90
diff
changeset
|
493 private void startTag(String name, HashMap parameters, bool newLine) { |
| 19 | 494 printTag(name, parameters, true, newLine, false); |
| 495 } | |
| 496 } | |
| 497 | |
| 498 } |