Source Code Cross Referenced for HtmlListBox.java in  » J2EE » Sofia » com » salmonllc » html » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Sofia » com.salmonllc.html 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //** Copyright Statement ***************************************************
002:        //The Salmon Open Framework for Internet Applications (SOFIA)
003:        // Copyright (C) 1999 - 2002, Salmon LLC
004:        //
005:        // This program is free software; you can redistribute it and/or
006:        // modify it under the terms of the GNU General Public License version 2
007:        // as published by the Free Software Foundation;
008:        //
009:        // This program is distributed in the hope that it will be useful,
010:        // but WITHOUT ANY WARRANTY; without even the implied warranty of
011:        // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012:        // GNU General Public License for more details.
013:        //
014:        // You should have received a copy of the GNU General Public License
015:        // along with this program; if not, write to the Free Software
016:        // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
017:        //
018:        // For more information please visit http://www.salmonllc.com
019:        //** End Copyright Statement ***************************************************
020:        package com.salmonllc.html;
021:
022:        import com.salmonllc.html.events.*;
023:
024:        /////////////////////////
025:        //$Archive: /SOFIA/SourceCode/com/salmonllc/html/HtmlListBox.java $
026:        //$Author: Dan $
027:        //$Revision: 31 $
028:        //$Modtime: 4/12/04 3:19p $
029:        /////////////////////////
030:        import com.salmonllc.properties.Props;
031:
032:        import com.salmonllc.sql.DBConnection;
033:
034:        import com.salmonllc.util.MessageLog;
035:
036:        import java.util.Hashtable;
037:
038:        /**
039:         * This class is used to allow for the selection of items from a list.
040:         */
041:        public class HtmlListBox extends HtmlFormComponent {
042:            private OptionsSort _options = new OptionsSort();
043:            private String _fontTagEnd;
044:            private String _fontTagStart;
045:            private String _onChange;
046:            private String _onClick;
047:            private String _onFocus;
048:            private String _onLoseFocus;
049:            private boolean _multi = true;
050:            private int _size = 5;
051:            private Integer _tabIndex;
052:            private String _accessKey;
053:            private String _style;
054:
055:            /**
056:             * Constructs a new HtmlListBox component.
057:             *
058:             * @param name The name of the component
059:             * @param p The page the component will be placed in.
060:             */
061:            public HtmlListBox(String name, com.salmonllc.html.HtmlPage p) {
062:                this (name, null, p);
063:            }
064:
065:            /**
066:             * Constructs a new HtmlListBox component.
067:             *
068:             * @param name The name of the component
069:             * @param theme The theme to use for loading properties.
070:             * @param p The page the component will be placed in.
071:             */
072:            public HtmlListBox(String name, String theme,
073:                    com.salmonllc.html.HtmlPage p) {
074:                super (name, theme, p);
075:            }
076:
077:            /**
078:             * Creates a list box based on a simple table with an <BR> integer primary key column and a string column.  Typically the integer is a type value <BR> and the string is a description.  A simplifying assumption is that each of the following <BR> is the same: <BR> - name of column in the main table which refers to the simple table <BR> - name of integer column in simple table <BR>
079:             *
080:             * @param name DOCUMENT ME!
081:             * @param theme DOCUMENT ME!
082:             * @param page com.salmonllc.html.HtmlPage        The page hold the new component
083:             * @param table - name of table to look up keys and displays from
084:             * @param keyColumn - column to get key values from
085:             * @param dispColumn - column to get display values from
086:             */
087:            public HtmlListBox(String name, String theme, HtmlPage page,
088:                    String table, String keyColumn, String dispColumn) {
089:                super (name, theme, page);
090:
091:                /**
092:                 * srufle 04-02-2002 using initialize method now should be functionally the same
093:                 */
094:                initialize(table, keyColumn, dispColumn, null, false);
095:
096:                //	try {
097:                //		HtmlComponentFactory f = new HtmlComponentFactory(page, null, null);
098:                //		DataStore ds = f.getDataStore();
099:                //		f.newIntegerDisplay(table, keyColumn, true);
100:                //		f.newStringDisplay(table, dispColumn, false);
101:                //		ds.setOrderBy(dispColumn);
102:                //		ds.retrieve();
103:                //		ds.waitForRetrieve();
104:                //		String vCol = table + "." + keyColumn;
105:                //		String dCol = table + "." + dispColumn;
106:                //		if (ds.gotoFirst()) {
107:                //			do {
108:                //				addOption(new Integer(ds.getInt(vCol)).toString(), ds.getString(dCol));
109:                //			} while (ds.gotoNext());
110:                //		}
111:                //	} catch (Exception e) {
112:                //		MessageLog.writeErrorMessage(e, this);
113:                //	}
114:            }
115:
116:            /**
117:             * Selects or deselects all items in the list
118:             *
119:             * @param selected DOCUMENT ME!
120:             */
121:            public void setAll(boolean selected) {
122:                int count = getOptionCount();
123:
124:                for (int i = 0; i < count; i++) {
125:                    setOptionSelected(i, selected);
126:                }
127:            }
128:
129:            /**
130:             * This method sets the end font tag for the component.
131:             *
132:             * @param value DOCUMENT ME!
133:             */
134:            public void setFontEndTag(String value) {
135:                _fontTagEnd = value;
136:            }
137:
138:            /**
139:             * This method gets the end font tag for the component.
140:             *
141:             * @return DOCUMENT ME!
142:             */
143:            public String getFontEndTag() {
144:                return _fontTagEnd;
145:            }
146:
147:            /**
148:             * This method sets the start font tag for the component.
149:             *
150:             * @param value DOCUMENT ME!
151:             */
152:            public void setFontStartTag(String value) {
153:                _fontTagStart = value;
154:            }
155:
156:            /**
157:             * This method gets the start font tag for the component.
158:             *
159:             * @return DOCUMENT ME!
160:             */
161:            public String getFontStartTag() {
162:                return _fontTagStart;
163:            }
164:
165:            /**
166:             * This method sets the whether or not the user can select multiple rows from the component.
167:             *
168:             * @param multi DOCUMENT ME!
169:             */
170:            public void setMulti(boolean multi) {
171:                _multi = multi;
172:            }
173:
174:            /**
175:             * This method returns whether or not the user can select multiple rows from the component.
176:             *
177:             * @return DOCUMENT ME!
178:             */
179:            public boolean getMulti() {
180:                return _multi;
181:            }
182:
183:            /**
184:             * This method sets the javascript to be executed when the value of the text in the component changes.
185:             *
186:             * @param value DOCUMENT ME!
187:             */
188:            public void setOnChange(String value) {
189:                _onChange = value;
190:            }
191:
192:            /**
193:             * This method gets the javascript to be executed when the value of the text in the component changes.
194:             *
195:             * @return DOCUMENT ME!
196:             */
197:            public String getOnChange() {
198:                return _onChange;
199:            }
200:
201:            /**
202:             * This method sets the javascript to be executed when the component is clicked on.
203:             *
204:             * @param value DOCUMENT ME!
205:             */
206:            public void setOnClick(String value) {
207:                _onClick = value;
208:            }
209:
210:            /**
211:             * This method gets the javascript to be executed when the component is clicked on.
212:             *
213:             * @return DOCUMENT ME!
214:             */
215:            public String getOnClick() {
216:                return _onClick;
217:            }
218:
219:            /**
220:             * This method sets the javascript to be executed when the component gains focus.
221:             *
222:             * @param value DOCUMENT ME!
223:             */
224:            public void setOnFocus(String value) {
225:                _onFocus = value;
226:            }
227:
228:            /**
229:             * This method gets the javascript to be executed when the component gets focus.
230:             *
231:             * @return DOCUMENT ME!
232:             */
233:            public String getOnFocus() {
234:                return _onFocus;
235:            }
236:
237:            /**
238:             * This method sets the javascript to be executed when the component loses focus.
239:             *
240:             * @param value DOCUMENT ME!
241:             */
242:            public void setOnLoseFocus(String value) {
243:                _onLoseFocus = value;
244:            }
245:
246:            /**
247:             * This method gets the javascript to be executed when the component loses focus.
248:             *
249:             * @return DOCUMENT ME!
250:             */
251:            public String getOnLoseFocus() {
252:                return _onLoseFocus;
253:            }
254:
255:            /**
256:             * This method returns the number of options in the component.
257:             *
258:             * @return DOCUMENT ME!
259:             */
260:            public int getOptionCount() {
261:                return _options.size();
262:            }
263:
264:            /**
265:             * Use this method get the value of the key at index.
266:             *
267:             * @param index DOCUMENT ME!
268:             *
269:             * @return DOCUMENT ME!
270:             */
271:            public String getOptionKey(int index) {
272:                if ((index < 0) || (index >= _options.size())) {
273:                    return null;
274:                }
275:
276:                HtmlOption opt = (HtmlOption) _options.elementAt(index);
277:
278:                return opt.getKey();
279:            }
280:
281:            /**
282:             * Use this method set whether an option is selected.
283:             *
284:             * @param index DOCUMENT ME!
285:             * @param selected DOCUMENT ME!
286:             */
287:            public void setOptionSelected(int index, boolean selected) {
288:                if ((index < 0) || (index >= _options.size())) {
289:                    return;
290:                }
291:
292:                HtmlOption opt = (HtmlOption) _options.elementAt(index);
293:                opt.setSelected(selected);
294:            }
295:
296:            /**
297:             * Use this method to find out if an option is selected.
298:             *
299:             * @param index DOCUMENT ME!
300:             *
301:             * @return DOCUMENT ME!
302:             */
303:            public boolean getOptionSelected(int index) {
304:                if ((index < 0) || (index >= _options.size())) {
305:                    return false;
306:                }
307:
308:                HtmlOption opt = (HtmlOption) _options.elementAt(index);
309:
310:                return opt.isSelected();
311:            }
312:
313:            /**
314:             * Use this method to set the value of the option at index.
315:             *
316:             * @param index DOCUMENT ME!
317:             * @param value DOCUMENT ME!
318:             */
319:            public void setOptionValue(int index, String value) {
320:                if ((index < 0) || (index >= _options.size())) {
321:                    return;
322:                }
323:
324:                HtmlOption opt = (HtmlOption) _options.elementAt(index);
325:                opt.setDisplay(value);
326:            }
327:
328:            /**
329:             * Use this method get the value of the option at index.
330:             *
331:             * @param index DOCUMENT ME!
332:             *
333:             * @return DOCUMENT ME!
334:             */
335:            public String getOptionValue(int index) {
336:                if ((index < 0) || (index >= _options.size())) {
337:                    return null;
338:                }
339:
340:                HtmlOption opt = (HtmlOption) _options.elementAt(index);
341:
342:                return opt.getDisplay();
343:            }
344:
345:            /**
346:             * Returns a list of keys corresponding to the selected values
347:             *
348:             * @param separator DOCUMENT ME!
349:             *
350:             * @return java.lang.String
351:             */
352:            public String getSelectedList(String separator) {
353:                String list = "";
354:                int count = getOptionCount();
355:
356:                for (int i = 0; i < count; i++) {
357:                    if (getOptionSelected(i)) {
358:                        list += (separator + getOptionKey(i));
359:                    }
360:                }
361:
362:                if (!list.equals("")) {
363:                    list = list.substring(separator.length());
364:                }
365:
366:                return list;
367:            }
368:
369:            /**
370:             * This method sets the display size for the component in characters.
371:             *
372:             * @param size DOCUMENT ME!
373:             */
374:            public void setSize(int size) {
375:                _size = size;
376:            }
377:
378:            /**
379:             * This method gets the display size for the component in characters.
380:             *
381:             * @return DOCUMENT ME!
382:             */
383:            public int getSize() {
384:                return _size;
385:            }
386:
387:            /**
388:             * This method sets the property theme for the component.
389:             *
390:             * @param theme The theme to use.
391:             */
392:            public void setTheme(String theme) {
393:                super .setTheme(theme);
394:
395:                Props props = getPage().getPageProperties();
396:                _fontTagStart = props.getThemeProperty(theme, Props.FONT_DDLB
397:                        + Props.TAG_START);
398:                _fontTagEnd = props.getThemeProperty(theme, Props.FONT_DDLB
399:                        + Props.TAG_END);
400:            }
401:
402:            /**
403:             * Use this method to add new choices to the list.
404:             *
405:             * @param key The internal name of the item (must be unique)
406:             * @param disp The value to be displayed on the list.
407:             */
408:            public void addOption(String key, String disp) {
409:                addOption(key, disp, false);
410:            }
411:
412:            /**
413:             * Use this method to add new choices to the list.
414:             *
415:             * @param key The internal name of the item (must be unique)
416:             * @param disp The value to be displayed on the list.
417:             * @param selected DOCUMENT ME!
418:             */
419:            public void addOption(String key, String disp, boolean selected) {
420:                HtmlOption opt = new HtmlOption(key, disp, selected);
421:                _options.addElement(opt);
422:            }
423:
424:            /**
425:             * Deselects all items in the list
426:             */
427:            public void deselectAll() {
428:                setAll(false);
429:            }
430:
431:            /**
432:             * This method returns the index of the option with the specified key.
433:             *
434:             * @param key DOCUMENT ME!
435:             *
436:             * @return The index of the key or -1 if not found.
437:             */
438:            public int findOptionIndexOf(String key) {
439:                int optionsSize = _options.size();
440:                HtmlOption opt = null;
441:
442:                for (int i = 0; i < optionsSize; i++) {
443:                    opt = (HtmlOption) _options.elementAt(i);
444:
445:                    if (key.equals(opt.getKey())) {
446:                        return i;
447:                    }
448:                }
449:
450:                return -1;
451:            }
452:
453:            public void generateHTML(java.io.PrintWriter p, int rowNo)
454:                    throws Exception {
455:                if (!_visible) {
456:                    return;
457:                }
458:
459:                String name = getFullName();
460:
461:                if (rowNo > -1) {
462:                    name += ("_" + rowNo);
463:                }
464:
465:                String value = getValue(rowNo, true);
466:
467:                if (_dsBuff != null) {
468:                    if (value == null) {
469:                        setInternalValue(null);
470:                    } else {
471:                        setInternalValue(value.toString());
472:                    }
473:                }
474:
475:                String tag = "<SELECT NAME=\"" + name + "\"";
476:                tag += (" SIZE=\"" + _size + "\"");
477:
478:                if (_multi) {
479:                    tag += " MULTIPLE";
480:                }
481:
482:                if (_onChange != null) {
483:                    tag += (" onChange=\"" + _onChange + "\"");
484:                }
485:
486:                if (_onFocus != null) {
487:                    tag += (" onFocus=\"" + _onFocus + "\"");
488:                }
489:
490:                if (_onLoseFocus != null) {
491:                    tag += (" onBlur=\"" + _onLoseFocus + "\"");
492:                }
493:
494:                if (_onClick != null) {
495:                    tag += (" onClick=\"" + _onClick + "\"");
496:                }
497:
498:                if (_class != null) {
499:                    tag += (" class=\"" + _class + "\"");
500:                }
501:
502:                if (_style != null) {
503:                    tag += (" style=\"" + _style + "\"");
504:                }
505:
506:                if ((!_enabled) && useDisabledAttribute()) {
507:                    tag += " disabled=\"true\"";
508:                }
509:
510:                if (_tabIndex != null)
511:                    tag += " tabindex=\"" + _tabIndex + "\"";
512:
513:                if (_accessKey != null)
514:                    tag += " accesskey=\"" + _accessKey + "\"";
515:
516:                tag += ">";
517:
518:                StringBuffer b = new StringBuffer();
519:                int optionsSize = _options.size();
520:
521:                for (int i = 0; i < optionsSize; i++) {
522:                    HtmlOption opt = (HtmlOption) _options.elementAt(i);
523:                    b.append("<OPTION VALUE=\"");
524:                    b.append(opt.getKey());
525:                    b.append("_");
526:                    b.append(i);
527:                    b.append("\"");
528:
529:                    if (opt.isSelected()) {
530:                        b.append(" SELECTED");
531:                    }
532:
533:                    if (opt.getDisplay() == null) {
534:                        b.append("></OPTION>");
535:                    } else {
536:                        b.append(">");
537:                        b.append(opt.getDisplay());
538:                        b.append("</OPTION>");
539:                    }
540:                }
541:
542:                tag += b.toString();
543:                tag += "</SELECT>";
544:
545:                if (_fontTagStart != null) {
546:                    tag = _fontTagStart + tag + _fontTagEnd;
547:                }
548:
549:                p.println(tag);
550:                writeFocusScript(p, rowNo);
551:            }
552:
553:            /**
554:             * Creates a list box based on a table with an <BR> integer primary key column (typically an id) and a string column.<BR> A simplifying assumption is that each of the following <BR> is the same: <BR> - name of column in the main table which refers to the simple table <BR> - name of integer column in simple table <BR>
555:             *
556:             * @param table - name of table to look up keys and displays from
557:             * @param keyColumn - column to get key values from
558:             * @param dispColumn - column to get display values from
559:             * @param criteria - optional selection criteria
560:             * @param inputVersion - optional value that allows for a null to be placed at the top
561:             */
562:            public void initialize(String table, String keyColumn,
563:                    String dispColumn, String criteria, boolean inputVersion) {
564:                initialize(table, keyColumn, dispColumn, criteria,
565:                        inputVersion, false);
566:            }
567:
568:            /**
569:             * Creates a list box based on a table with an <BR> integer primary key column (typically an id) and a string column.<BR> A simplifying assumption is that each of the following <BR> is the same: <BR> - name of column in the main table which refers to the simple table <BR> - name of integer column in simple table <BR>
570:             *
571:             * @param table - name of table to look up keys and displays from
572:             * @param keyColumn - column to get key values from
573:             * @param dispColumn - column to get display values from
574:             * @param criteria - optional selection criteria
575:             * @param inputVersion - optional value that allows for a null to be placed at the top
576:             * @param trimResults - optional value that trims the rtesults before adding the options
577:             */
578:            public void initialize(String table, String keyColumn,
579:                    String dispColumn, String criteria, boolean inputVersion,
580:                    boolean trimResults) {
581:                initialize(table, keyColumn, dispColumn, criteria,
582:                        inputVersion, trimResults, false);
583:            }
584:
585:            /**
586:             * Creates a list box based on a table with an <BR> integer primary key column (typically an id) and a string column.<BR> A simplifying assumption is that each of the following <BR> is the same: <BR> - name of column in the main table which refers to the simple table <BR> - name of integer column in simple table <BR>
587:             *
588:             * @param table - name of table to look up keys and displays from
589:             * @param keyColumn - column to get key values from
590:             * @param dispColumn - column to get display values from
591:             * @param criteria - optional selection criteria
592:             * @param inputVersion - optional value that allows for a null to be placed at the top
593:             * @param trimResults - optional value that trims the rtesults before adding the options
594:             * @param toUpper - optional value that makes the option's kays and display values all upper case
595:             */
596:            public void initialize(String table, String keyColumn,
597:                    String dispColumn, String criteria, boolean inputVersion,
598:                    boolean trimResults, boolean toUpper) {
599:                resetOptions();
600:
601:                if (inputVersion) {
602:                    addOption(null, "");
603:                }
604:
605:                DBConnection connection = null;
606:
607:                try {
608:                    connection = DBConnection.getConnection(getPage()
609:                            .getApplicationName());
610:
611:                    java.sql.Statement s = connection.createStatement();
612:                    String query = null;
613:
614:                    if (criteria != null) {
615:                        query = "SELECT " + keyColumn + "," + dispColumn
616:                                + " FROM " + table + " WHERE " + criteria
617:                                + " ORDER BY ";
618:
619:                        if (toUpper) {
620:                            query = query + "UPPER(" + dispColumn + ")";
621:                        } else {
622:                            query += dispColumn;
623:                        }
624:                    } else {
625:                        query = "SELECT " + keyColumn + "," + dispColumn
626:                                + " FROM " + table + " ORDER BY ";
627:
628:                        if (toUpper) {
629:                            query = query + "UPPER(" + dispColumn + ")";
630:                        } else {
631:                            query += dispColumn;
632:                        }
633:                    }
634:
635:                    java.sql.ResultSet r = s.executeQuery(query);
636:
637:                    int cols = r.getMetaData().getColumnCount();
638:                    String key, display;
639:                    if (r.next()) {
640:                        do {
641:                            key = "";
642:                            display = "";
643:                            if (trimResults) {
644:                                key = r.getObject(1).toString().trim();
645:                                for (int i = 2; i <= cols; i++)
646:                                    display = display
647:                                            + r.getObject(i).toString().trim()
648:                                            + " ";
649:
650:                                addOption(key, display);
651:                            } else {
652:                                key = r.getObject(1).toString();
653:                                for (int i = 2; i <= cols; i++)
654:                                    display = display
655:                                            + r.getObject(i).toString() + " ";
656:                                addOption(key, display);
657:                            }
658:                        } while (r.next());
659:                    }
660:
661:                    r.close();
662:                    s.close();
663:                } catch (java.sql.SQLException se) {
664:                    MessageLog.writeErrorMessage("initialize", se, null);
665:                } catch (Exception e) {
666:                    MessageLog.writeErrorMessage("initialize", e, this );
667:                } finally {
668:                    if (connection != null) {
669:                        connection.freeConnection();
670:                    }
671:                }
672:            }
673:
674:            public boolean processParms(Hashtable parms, int rowNo)
675:                    throws Exception {
676:                Object oldValue = _value;
677:                String name = getFullName();
678:
679:                if (rowNo > -1) {
680:                    name += ("_" + rowNo);
681:
682:                    if (_dsBuff != null) {
683:                        oldValue = _dsBuff.getAny(rowNo, _dsColNo);
684:                    }
685:                } else {
686:                    if (_dsBuff != null) {
687:                        oldValue = _dsBuff.getAny(_dsColNo);
688:                    }
689:                }
690:
691:                String val[] = (String[]) parms.get(name);
692:                int optionsSize = _options.size();
693:                HtmlOption opt = null;
694:
695:                for (int i = 0; i < optionsSize; i++) {
696:                    opt = (HtmlOption) _options.elementAt(i);
697:                    opt.setSelected(false);
698:                }
699:
700:                if (val != null) {
701:                    int index = -1;
702:
703:                    for (int i = 0; i < val.length; i++) {
704:                        index = Integer.parseInt(val[i].substring(val[i]
705:                                .lastIndexOf("_") + 1));
706:                        if (index < _options.size()) {
707:                            opt = (HtmlOption) _options.elementAt(index);
708:                            opt.setSelected(true);
709:                        }
710:                    }
711:                }
712:
713:                if (!_multi)
714:                    _value = getInternalValue();
715:                else
716:                    _value = getSelectedList(",");
717:
718:                if (!valuesEqual(oldValue, _value)) {
719:                    String s = null;
720:
721:                    if (oldValue != null) {
722:                        s = oldValue.toString();
723:                    }
724:
725:                    ValueChangedEvent e = new ValueChangedEvent(getPage(),
726:                            this , getName(), getFullName(), s, _value, rowNo,
727:                            _dsColNo, _dsBuff);
728:                    addEvent(e);
729:                }
730:
731:                return false;
732:            }
733:
734:            /**
735:             * Use this method to remove an option from the list.
736:             *
737:             * @param index The index of the option to remove.
738:             */
739:            public void removeOption(int index) {
740:                if ((index < 0) || (index >= _options.size())) {
741:                    return;
742:                }
743:
744:                _options.removeElementAt(index);
745:            }
746:
747:            /**
748:             * This method removes all options from the component.
749:             */
750:            public void resetOptions() {
751:                _options.removeAllElements();
752:            }
753:
754:            /**
755:             * Selects all items in the list
756:             */
757:            public void selectAll() {
758:                setAll(true);
759:            }
760:
761:            /**
762:             * Claudio Pi (4-01-2003) This method sorts the dropdown list based on its options values in the default order direction.
763:             */
764:            public void sort() {
765:                _options.sort();
766:            }
767:
768:            /**
769:             * Claudio Pi (4-01-2003) This method sorts the dropdown list based on its options values in the given order direction.
770:             *
771:             * @param dir direction in which the options will be sorted (0=Ascending or 1=Descending order)
772:             */
773:            public void sort(int dir) {
774:                _options.setSortDir(dir);
775:                _options.sort();
776:            }
777:
778:            /**
779:             * This method sets the first selected option in the list box to the one with the key.
780:             *
781:             * @param value DOCUMENT ME!
782:             */
783:            private void setInternalValue(String value) {
784:
785:                int optionsSize = _options.size();
786:                HtmlOption opt = null;
787:                String key = null;
788:                boolean selected = false;
789:
790:                //
791:                for (int i = 0; i < optionsSize; i++) {
792:                    opt = (HtmlOption) _options.elementAt(i);
793:                    key = opt.getKey();
794:                    selected = false;
795:
796:                    if (key != null) {
797:                        if (key.equals(value)) {
798:                            selected = true;
799:                        }
800:                    }
801:
802:                    opt.setSelected(selected);
803:                }
804:            }
805:
806:            /**
807:             * This method returns the key of the first selected option in the list box..
808:             *
809:             * @return DOCUMENT ME!
810:             */
811:            private String getInternalValue() {
812:                int optionsSize = _options.size();
813:                HtmlOption opt = null;
814:
815:                for (int i = 0; i < optionsSize; i++) {
816:                    opt = (HtmlOption) _options.elementAt(i);
817:
818:                    if (opt.isSelected()) {
819:                        return opt.getKey();
820:                    }
821:                }
822:
823:                return null;
824:            }
825:
826:            /**
827:             * @return the access key html attribute
828:             */
829:            public String getAccessKey() {
830:                return _accessKey;
831:            }
832:
833:            /**
834:             * @return the tab index html attribute
835:             */
836:            public int getTabIndex() {
837:                if (_tabIndex == null)
838:                    return -1;
839:                return _tabIndex.intValue();
840:            }
841:
842:            /**
843:             * @param string sets the access key html attribute
844:             */
845:            public void setAccessKey(String string) {
846:                _accessKey = string;
847:            }
848:
849:            /**
850:             * @param val sets the tab index html attribute. You can also pass TAB_INDEX_DEFAULT to use the default tab index for the component or TAB_INDEX_NONE to keep this component from being tabbed to
851:             */
852:            public void setTabIndex(int val) {
853:                if (val == -1)
854:                    _tabIndex = null;
855:                else
856:                    _tabIndex = new Integer(val);
857:            }
858:
859:            /**
860:             * This method sets the property style (allows for the inlining of style attributes like color:#666666;) for the component.
861:             *
862:             * @param style - The style text to use.
863:             */
864:            public void setStyle(String style) {
865:                _style = style;
866:            }
867:
868:            /**
869:             * This method gets the property style (allows for the inlining of style attributes like color:#666666;) for the component.
870:             *
871:             * @return DOCUMENT ME!
872:             */
873:            public String getStyle() {
874:                return _style;
875:            }
876:
877:        }
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