err.no Git - scalable-opengroupware.org/blob - SOGo/UI/Common/UIxTabView.m

   1 /*
   2   Copyright (C) 2000-2004 SKYRIX Software AG
   3
   4   This file is part of OpenGroupware.org.
   5
   6   OGo is free software; you can redistribute it and/or modify it under
   7   the terms of the GNU Lesser General Public License as published by the
   8   Free Software Foundation; either version 2, or (at your option) any
   9   later version.
  10
  11   OGo is distributed in the hope that it will be useful, but WITHOUT ANY
  12   WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  14   License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public
  17   License along with OGo; see the file COPYING.  If not, write to the
  18   Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19   02111-1307, USA.
  20 */
  21 // $Id$
  22
  23 #include "UIxTabView.h"
  24 #include "common.h"
  25 #import <NGObjWeb/NGObjWeb.h>
  26 #import <NGExtensions/NGExtensions.h>
  27 #import <EOControl/EOControl.h>
  28 #include <WEExtensions/WEClientCapabilities.h>
  29
  30 #if DEBUG
  31 // #  define DEBUG_TAKEVALUES 1
  32 #  define DEBUG_JS 1
  33 #endif
  34
  35 /* context keys */
  36 NSString *UIxTabView_HEAD      = @"UIxTabView_head";
  37 NSString *UIxTabView_BODY      = @"UIxTabView_body";
  38 NSString *UIxTabView_KEYS      = @"UIxTabView_keys";
  39 NSString *UIxTabView_SCRIPT    = @"UIxTabView_script";
  40 NSString *UIxTabView_ACTIVEKEY = @"UIxTabView_activekey";
  41 NSString *UIxTabView_COLLECT   = @"~tv~";
  42
  43 @implementation UIxTabView
  44
  45 static NSNumber *YesNumber;
  46
  47 + (void)initialize {
  48   if (YesNumber == nil)
  49     YesNumber = [[NSNumber numberWithBool:YES] retain];
  50 }
  51
  52 + (int)version {
  53   return [super version] + 0;
  54 }
  55
  56 - (id)initWithName:(NSString *)_name
  57   associations:(NSDictionary *)_config
  58   template:(WOElement *)_subs
  59 {
  60   if ((self = [super initWithName:_name associations:_config template:_subs])) {
  61     self->selection          = WOExtGetProperty(_config, @"selection");
  62
  63     self->headerStyle        = WOExtGetProperty(_config, @"headerStyle");
  64     self->bodyStyle          = WOExtGetProperty(_config, @"bodyStyle");
  65     self->tabStyle           = WOExtGetProperty(_config, @"tabStyle");
  66     self->selectedTabStyle   = WOExtGetProperty(_config, @"selectedTabStyle");
  67
  68     self->bgColor            = WOExtGetProperty(_config, @"bgColor");
  69     self->nonSelectedBgColor = WOExtGetProperty(_config, @"nonSelectedBgColor");
  70     self->leftCornerIcon     = WOExtGetProperty(_config, @"leftCornerIcon");
  71     self->rightCornerIcon    = WOExtGetProperty(_config, @"rightCornerIcon");
  72
  73     self->tabIcon            = WOExtGetProperty(_config, @"tabIcon");
  74     self->leftTabIcon        = WOExtGetProperty(_config, @"leftTabIcon");
  75     self->selectedTabIcon    = WOExtGetProperty(_config, @"selectedTabIcon");
  76
  77     self->asBackground       = WOExtGetProperty(_config, @"asBackground");
  78     self->width              = WOExtGetProperty(_config, @"width");
  79     self->height             = WOExtGetProperty(_config, @"height");
  80     self->activeBgColor      = WOExtGetProperty(_config, @"activeBgColor");
  81     self->inactiveBgColor    = WOExtGetProperty(_config, @"inactiveBgColor");
  82
  83     self->fontColor          = WOExtGetProperty(_config, @"fontColor");
  84     self->fontSize           = WOExtGetProperty(_config, @"fontSize");
  85     self->fontFace           = WOExtGetProperty(_config, @"fontFace");
  86
  87     self->template = RETAIN(_subs);
  88   }
  89   return self;
  90 }
  91
  92 - (void)dealloc {
  93   [self->selection release];
  94
  95   [self->headerStyle release];
  96   [self->bodyStyle release];
  97   [self->tabStyle release];
  98   [self->selectedTabStyle release];
  99
 100   RELEASE(self->bgColor);
 101   RELEASE(self->nonSelectedBgColor);
 102   RELEASE(self->leftCornerIcon);
 103   RELEASE(self->rightCornerIcon);
 104
 105   RELEASE(self->leftTabIcon);
 106   RELEASE(self->selectedTabIcon);
 107   RELEASE(self->tabIcon);
 108
 109   RELEASE(self->width);
 110   RELEASE(self->height);
 111
 112   RELEASE(self->activeBgColor);
 113   RELEASE(self->inactiveBgColor);
 114
 115   RELEASE(self->fontColor);
 116   RELEASE(self->fontSize);
 117   RELEASE(self->fontFace);
 118
 119   RELEASE(self->template);
 120   [super dealloc];
 121 }
 122
 123 /* nesting */
 124
 125 - (id)saveNestedStateInContext:(WOContext *)_ctx {
 126   return nil;
 127 }
 128 - (void)restoreNestedState:(id)_state inContext:(WOContext *)_ctx {
 129   if (_state == nil) return;
 130 }
 131
 132 - (NSArray *)collectKeysInContext:(WOContext *)_ctx {
 133   /* collect mode, collects all keys */
 134   [_ctx setObject:UIxTabView_COLLECT forKey:UIxTabView_HEAD];
 135
 136   [self->template appendToResponse:nil inContext:_ctx];
 137
 138   [_ctx removeObjectForKey:UIxTabView_HEAD];
 139   return [_ctx objectForKey:UIxTabView_KEYS];
 140 }
 141
 142 /* responder */
 143
 144 - (void)takeValuesFromRequest:(WORequest *)_req inContext:(WOContext *)_ctx {
 145   id       nestedState;
 146   NSString *activeTabKey;
 147
 148   activeTabKey = [self->selection stringValueInComponent:[_ctx component]];
 149   NSLog(@"%s activeTabKey:%@", __PRETTY_FUNCTION__, activeTabKey);
 150   nestedState = [self saveNestedStateInContext:_ctx];
 151   [_ctx appendElementIDComponent:@"b"];
 152   [_ctx appendElementIDComponent:activeTabKey];
 153
 154   [_ctx setObject:activeTabKey forKey:UIxTabView_BODY];
 155
 156 #if DEBUG_TAKEVALUES
 157   [[_ctx component] debugWithFormat:@"UIxTabView: body takes values, eid='%@'",
 158                     [_ctx elementID]];
 159 #endif
 160
 161   [self->template takeValuesFromRequest:_req inContext:_ctx];
 162
 163   [_ctx removeObjectForKey:UIxTabView_BODY];
 164   [_ctx deleteLastElementIDComponent]; // activeKey
 165   [_ctx deleteLastElementIDComponent]; /* 'b' */
 166   [self restoreNestedState:nestedState inContext:_ctx];
 167 }
 168
 169 - (id)invokeActionForRequest:(WORequest *)_req inContext:(WOContext *)_ctx {
 170   NSString *key;
 171   id       result;
 172   id       nestedState;
 173
 174   if ((key = [_ctx currentElementID]) == nil)
 175     return nil;
 176
 177   result      = nil;
 178   nestedState = [self saveNestedStateInContext:_ctx];
 179
 180   if ([key isEqualToString:@"h"]) {
 181     /* header action */
 182     //NSString *urlKey;
 183
 184     [_ctx consumeElementID];
 185     [_ctx appendElementIDComponent:@"h"];
 186 #if 0
 187     if ((urlKey = [_ctx currentElementID]) == nil) {
 188       [[_ctx application]
 189              debugWithFormat:@"missing active head tab key !"];
 190     }
 191     else {
 192       //NSLog(@"clicked: %@", urlKey);
 193       [_ctx consumeElementID];
 194       [_ctx appendElementIDComponent:urlKey];
 195     }
 196 #endif
 197
 198     [_ctx setObject:self->selection forKey:UIxTabView_HEAD];
 199     result = [self->template invokeActionForRequest:_req inContext:_ctx];
 200     [_ctx removeObjectForKey:UIxTabView_HEAD];
 201
 202 #if 0
 203     if (urlKey)
 204       [_ctx deleteLastElementIDComponent]; // active key
 205 #endif
 206     [_ctx deleteLastElementIDComponent]; // 'h'
 207   }
 208   else if ([key isEqualToString:@"b"]) {
 209     /* body action */
 210     NSString *activeTabKey, *urlKey;
 211
 212     [_ctx consumeElementID];
 213     [_ctx appendElementIDComponent:@"b"];
 214
 215     if ((urlKey = [_ctx currentElementID]) == nil) {
 216       [[_ctx application]
 217              debugWithFormat:@"missing active body tab key !"];
 218     }
 219     else {
 220       //NSLog(@"clicked: %@", urlKey);
 221       [_ctx consumeElementID];
 222       [_ctx appendElementIDComponent:urlKey];
 223     }
 224
 225     activeTabKey = [self->selection stringValueInComponent:[_ctx component]];
 226     [_ctx setObject:activeTabKey forKey:UIxTabView_BODY];
 227
 228     result = [self->template invokeActionForRequest:_req inContext:_ctx];
 229
 230     [_ctx removeObjectForKey:UIxTabView_BODY];
 231
 232     if (urlKey)
 233       [_ctx deleteLastElementIDComponent]; // active key
 234     [_ctx deleteLastElementIDComponent]; // 'b'
 235   }
 236   else {
 237     [[_ctx application]
 238            debugWithFormat:@"unknown tab container key '%@'", key];
 239   }
 240
 241   [self restoreNestedState:nestedState inContext:_ctx];
 242   return result;
 243 }
 244
 245 - (NSString *)_tabViewCountInContext:(WOContext *)_ctx {
 246   int count;
 247   count = [[_ctx valueForKey:@"UIxTabViewScriptDone"] intValue];
 248   return [NSString stringWithFormat:@"%d",count];
 249 }
 250
 251 - (NSString *)scriptHref:(UIxTabItemInfo *)_info
 252   inContext:(WOContext *)_ctx
 253   isLeft:(BOOL)_isLeft
 254   keys:(NSArray *)_keys
 255 {
 256   NSMutableString *result = [NSMutableString string];
 257   UIxTabItemInfo *tmp;
 258   NSString       *activeKey;
 259   int            i, cnt;
 260   NSString       *elID;
 261   NSString       *tstring;
 262
 263   activeKey = [self->selection stringValueInComponent:[_ctx component]];
 264   [result appendString:@"JavaScript:showTab("];
 265   [result appendString:_info->key];
 266   [result appendString:@"Tab);"];
 267
 268   [result appendString:@"swapCorners("];
 269   tstring = (!_isLeft)
 270     ? @"tabCorner%@,tabCornerLeft%@);"
 271     : @"tabCornerLeft%@,tabCorner%@);";
 272   elID = [self _tabViewCountInContext:_ctx];
 273   [result appendString:[NSString stringWithFormat:tstring,elID,elID]];
 274
 275   for (i=0, cnt = [_keys count]; i < cnt; i++) {
 276     tmp = [_keys objectAtIndex:i];
 277
 278     if ((tmp->isScript || [tmp->key isEqualToString:activeKey])
 279         && ![tmp->key isEqualToString:_info->key]) {
 280       [result appendString:@"hideTab("];
 281       [result appendString:tmp->key];
 282       [result appendString:@"Tab);"];
 283     }
 284   }
 285   return result;
 286 }
 287
 288 - (void)appendLink:(UIxTabItemInfo *)_info
 289   toResponse:(WOResponse *)_response
 290   inContext:(WOContext *)_ctx
 291   isActive:(BOOL)_isActive isLeft:(BOOL)_isLeft
 292   doScript:(BOOL)_doScript keys:(NSArray *)_keys
 293 {
 294   NSString *headUri    = nil;
 295   NSString *label      = nil;
 296   NSString *styleName  = nil;
 297   WEClientCapabilities *ccaps;
 298   WOComponent *comp;
 299
 300   ccaps = [[_ctx request] clientCapabilities];
 301
 302   comp = [_ctx component];
 303   headUri = _info->uri;
 304
 305   if ((label = _info->label) == nil)
 306     label = _info->key;
 307
 308   if (_isActive) {
 309     styleName = (_info->selectedTabStyle)
 310       ? _info->selectedTabStyle
 311       : [self->selectedTabStyle stringValueInComponent:comp];
 312   }
 313   else {
 314     styleName = (_info->tabStyle)
 315       ? _info->tabStyle
 316       : [self->tabStyle stringValueInComponent:comp];
 317   }
 318
 319   [_response appendContentString:@"<td align='center' valign='middle'"];
 320
 321   if (styleName) {
 322       [_response appendContentString:@" class='"];
 323       [_response appendContentHTMLAttributeValue:styleName];
 324       [_response appendContentCharacter:'\''];
 325   }
 326
 327   // click on td background
 328   if ([ccaps isInternetExplorer] && [ccaps isJavaScriptBrowser]) {
 329       [_response appendContentString:@" onclick=\"window.location.href='"];
 330       [_response appendContentHTMLAttributeValue:headUri];
 331       [_response appendContentString:@"'\""];
 332   }
 333
 334   [_response appendContentCharacter:'>'];
 335
 336   [_response appendContentString:@"<a href=\""];
 337
 338   [_response appendContentHTMLAttributeValue:headUri];
 339
 340   [_response appendContentString:@"\" "];
 341   [_response appendContentString:
 342                [NSString stringWithFormat:@"name='%@TabLink'", _info->key]];
 343   [_response appendContentString:@">"];
 344
 345   if ([label length] < 1)
 346       label = _info->key;
 347   [_response appendContentString:@"<nobr>"];
 348   [_response appendContentHTMLString:label];
 349   [_response appendContentString:@"</nobr>"];
 350
 351   [_response appendContentString:@"</a>"];
 352
 353   [_response appendContentString:@"</td>"];
 354 }
 355
 356 - (void)appendSubmitButton:(UIxTabItemInfo *)_info
 357   toResponse:(WOResponse *)_response
 358   inContext:(WOContext *)_ctx
 359   isActive:(BOOL)_isActive isLeft:(BOOL)_left
 360   doScript:(BOOL)_doScript   keys:(NSArray *)_keys
 361 {
 362   [self appendLink:_info
 363         toResponse:_response
 364         inContext:_ctx
 365         isActive:_isActive isLeft:_left
 366         doScript:NO keys:_keys];
 367 }
 368
 369 - (void)_appendTabViewJSScriptToResponse:(WOResponse *)_response
 370   inContext:(WOContext *)_ctx
 371 {
 372   [_response appendContentString:
 373                @"<script language=\"JavaScript\">\n<!--\n\n"
 374                @"function showTab(obj) {\n"
 375 #if DEBUG_JS
 376                @"  if (obj==null) { alert('missing tab obj ..'); return; }\n"
 377                @"  if (obj['Div']==null) {"
 378                @"    alert('missing div key in ' + obj); return; }\n"
 379                @"  if (obj['Div'].style==null) {"
 380                @"    alert('missing style key in div ' + obj['Div']);return; }\n"
 381 #endif
 382                @"  obj['Div'].style.display = \"\";\n"
 383                @"  obj['Img'].src = obj[\"Ar\"][1].src;\n"
 384                @"  obj['link'].href = obj[\"href2\"];\n"
 385                @"}\n"
 386                @"function hideTab(obj) {\n"
 387 #if DEBUG_JS
 388                @"  if (obj==null) { alert('missing tab obj ..'); return; }\n"
 389                @"  if (obj['Div']==null) {"
 390                @"    alert('missing div key in ' + obj); return; }\n"
 391                @"  if (obj['Div'].style==null) {"
 392                @"    alert('missing style key in div ' + obj['Div']);return; }\n"
 393 #endif
 394                @" obj['Div'].style.display = \"none\";\n"
 395                @" obj['Img'].src = obj[\"Ar\"][0].src;\n"
 396                @" obj['link'].href = obj[\"href1\"];\n"
 397                @"}\n"
 398                @"function swapCorners(obj1,obj2) {\n"
 399                @"   if (obj1==null) { alert('missing corner 1'); return; }\n"
 400                @"   if (obj2==null) { alert('missing corner 2'); return; }\n"
 401                @"   obj1.style.display = \"none\";\n"
 402                @"   obj2.style.display = \"\";\n"
 403                @"}\n"
 404                @"//-->\n</script>"];
 405 }
 406
 407 - (void)_appendHeaderRowToResponse:(WOResponse *)_response
 408   inContext:(WOContext *)_ctx
 409   keys:(NSArray *)keys activeKey:(NSString *)activeKey
 410   doScript:(BOOL)doScript
 411 {
 412   unsigned  i, count;
 413   BOOL      doForm;
 414   NSString  *styleName;
 415
 416   doForm = NO;  /* generate form controls ? */
 417
 418   [_response appendContentString:@"<tr><td colspan='2'>"];
 419
 420   styleName = [self->headerStyle stringValueInComponent:[_ctx component]];
 421   if(styleName) {
 422       [_response appendContentString:
 423           @"<table border='0' cellpadding='0' cellspacing='0' class='"];
 424       [_response appendContentHTMLAttributeValue:styleName];
 425       [_response appendContentString:@"'><tr>"];
 426   }
 427   else {
 428       [_response appendContentString:
 429           @"<table border='0' cellpadding='0' cellspacing='0'><tr>"];
 430   }
 431
 432   for (i = 0, count = [keys count]; i < count; i++) {
 433     UIxTabItemInfo *info;
 434     NSString       *key;
 435     BOOL           isActive;
 436
 437     info     = [keys objectAtIndex:i];
 438     key      = info->key;
 439     isActive = [key isEqualToString:activeKey];
 440
 441     [_ctx appendElementIDComponent:key];
 442
 443     if (doForm) {
 444       /* tab is inside of a FORM, so produce submit buttons */
 445       [self appendSubmitButton:info
 446             toResponse:_response
 447             inContext:_ctx
 448             isActive:isActive
 449             isLeft:(i == 0) ? YES : NO
 450             doScript:NO
 451             keys:keys];
 452     }
 453     else {
 454       /* tab is not in a FORM, generate hyperlinks for tab */
 455       [self appendLink:info
 456             toResponse:_response
 457             inContext:_ctx
 458             isActive:isActive
 459             isLeft:(i == 0) ? YES : NO
 460             doScript:NO
 461             keys:keys];
 462     }
 463
 464     [_ctx deleteLastElementIDComponent];
 465   }
 466   //  [_response appendContentString:@"<td></td>"];
 467   [_response appendContentString:@"</tr></table>"];
 468   [_response appendContentString:@"</td></tr>"];
 469 }
 470
 471 - (void)_appendHeaderFootRowToResponse:(WOResponse *)_response
 472   inContext:(WOContext *)_ctx
 473   bgcolor:(NSString *)bgcolor
 474   doScript:(BOOL)doScript
 475   isLeftActive:(BOOL)isLeftActive
 476 {
 477   NSString *styleName;
 478   [_response appendContentString:@"  <tr"];
 479
 480   styleName = [self->bodyStyle stringValueInComponent:[_ctx component]];
 481   if(styleName) {
 482     [_response appendContentString:@" class='"];
 483     [_response appendContentHTMLAttributeValue:styleName];
 484     [_response appendContentCharacter:'\''];
 485   }
 486   if (bgcolor) {
 487     [_response appendContentString:@" bgcolor=\""];
 488     [_response appendContentHTMLAttributeValue:bgcolor];
 489     [_response appendContentString:@"\""];
 490   }
 491   [_response appendContentString:@">\n"];
 492
 493   /* left corner */
 494   [_response appendContentString:@"    <td align=\"left\" width=\"10\">"];
 495
 496   if (isLeftActive)
 497     [_response appendContentString:@"&nbsp;"];
 498
 499   if (!isLeftActive) {
 500     NSString *uri;
 501
 502     uri = [self->leftCornerIcon stringValueInComponent:[_ctx component]];
 503     if ((uri = WEUriOfResource(uri, _ctx))) {
 504       [_response appendContentString:@"<img border=\"0\" alt=\"\" src=\""];
 505       [_response appendContentString:uri];
 506       [_response appendContentString:@"\" />"];
 507     }
 508     else
 509       [_response appendContentString:@"&nbsp;"];
 510   }
 511
 512   [_response appendContentString:@"</td>"];
 513
 514   /* right corner */
 515   [_response appendContentString:@"    <td align=\"right\">"];
 516   {
 517     NSString *uri;
 518
 519     uri = [self->rightCornerIcon stringValueInComponent:[_ctx component]];
 520     if ((uri = WEUriOfResource(uri, _ctx))) {
 521       [_response appendContentString:@"<img border=\"0\" alt=\"\" src=\""];
 522       [_response appendContentString:uri];
 523       [_response appendContentString:@"\" />"];
 524     }
 525     else
 526       [_response appendContentString:@"&nbsp;"];
 527   }
 528   [_response appendContentString:@"</td>\n"];
 529
 530   [_response appendContentString:@"  </tr>\n"];
 531 }
 532
 533 - (void)_appendBodyRowToResponse:(WOResponse *)_response
 534   inContext:(WOContext *)_ctx
 535   bgcolor:(NSString *)bgcolor
 536   activeKey:(NSString *)activeKey
 537 {
 538   WEClientCapabilities *ccaps;
 539   BOOL indentContent;
 540   NSString *styleName;
 541
 542   styleName = [self->bodyStyle stringValueInComponent:[_ctx component]];
 543   ccaps = [[_ctx request] clientCapabilities];
 544
 545   /* put additional padding table into content ??? */
 546   indentContent = [ccaps isFastTableBrowser] && ![ccaps isTextModeBrowser];
 547
 548   [_response appendContentString:@"<tr"];
 549   if(styleName) {
 550     [_response appendContentString:@" class='"];
 551     [_response appendContentHTMLAttributeValue:styleName];
 552     [_response appendContentCharacter:'\''];
 553   }
 554   [_response appendContentString:@"><td colspan='2'"];
 555   if (bgcolor) {
 556     [_response appendContentString:@" bgcolor=\""];
 557     [_response appendContentHTMLAttributeValue:bgcolor];
 558     [_response appendContentCharacter:'\"'];
 559   }
 560   [_response appendContentCharacter:'>'];
 561
 562   if (indentContent) {
 563     /* start padding table */
 564     [_response appendContentString:
 565                @"<table border='0' width='100%'"
 566                @" cellpadding='10' cellspacing='0'>"];
 567     [_response appendContentString:@"<tr><td>"];
 568   }
 569
 570   [_ctx appendElementIDComponent:@"b"];
 571   [_ctx appendElementIDComponent:activeKey];
 572
 573   /* generate currently active body */
 574   {
 575     [_ctx setObject:activeKey forKey:UIxTabView_BODY];
 576     [self->template appendToResponse:_response inContext:_ctx];
 577     [_ctx removeObjectForKey:UIxTabView_BODY];
 578   }
 579
 580   [_ctx deleteLastElementIDComponent]; // activeKey
 581   [_ctx deleteLastElementIDComponent]; // 'b'
 582
 583   if (indentContent)
 584     /* close padding table */
 585     [_response appendContentString:@"</td></tr></table>"];
 586
 587   [_response appendContentString:@"</td></tr>"];
 588 }
 589
 590 - (BOOL)isLeftActiveInKeys:(NSArray *)keys activeKey:(NSString *)activeKey{
 591   unsigned i, count;
 592   BOOL isLeftActive;
 593
 594   isLeftActive = NO;
 595
 596   for (i = 0, count = [keys count]; i < count; i++) {
 597     UIxTabItemInfo *info;
 598
 599     info = [keys objectAtIndex:i];
 600
 601     if ((i == 0) && [info->key isEqualToString:activeKey])
 602       isLeftActive = YES;
 603   }
 604
 605   return isLeftActive;
 606 }
 607
 608 - (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx {
 609   WOComponent  *cmp;
 610   NSString     *bgcolor;
 611   BOOL         isLeftActive;
 612   id           nestedState;
 613   NSString     *activeKey;
 614   NSArray      *keys;
 615   int          tabViewCount; /* used for image id's and writing script once */
 616
 617   tabViewCount  = [[_ctx valueForKey:@"UIxTabViewScriptDone"] intValue];
 618   cmp           = [_ctx component];
 619
 620   /* save state */
 621
 622   nestedState = [self saveNestedStateInContext:_ctx];
 623
 624   /* configure */
 625
 626   activeKey = [self->selection stringValueInComponent:cmp];
 627
 628   bgcolor = [self->bgColor stringValueInComponent:cmp];
 629   bgcolor = [bgcolor stringValue];
 630
 631   [_ctx appendElementIDComponent:@"h"];
 632
 633   /* collect & process keys (= available tabs) */
 634
 635   keys = [self collectKeysInContext:_ctx];
 636
 637   if (![[keys valueForKey:@"key"] containsObject:activeKey])
 638     /* selection is not available in keys */
 639     activeKey = nil;
 640
 641   if ((activeKey == nil) && ([keys count] > 0)) {
 642     /* no or invalid selection, use first key */
 643     activeKey = [[keys objectAtIndex:0] key];
 644     if ([self->selection isValueSettable])
 645       [self->selection setValue:activeKey inComponent:[_ctx component]];
 646   }
 647
 648   /* start appending */
 649
 650   /* count up for unique tabCorner/tabCornerLeft images */
 651   [_ctx takeValue:[NSNumber numberWithInt:(tabViewCount + 1)]
 652         forKey:@"UIxTabViewScriptDone"];
 653
 654   [_response appendContentString:
 655                @"<table border='0' width='100%'"
 656                @" cellpadding='0' cellspacing='0'>"];
 657
 658   /* find out whether left is active */
 659
 660   isLeftActive = [self isLeftActiveInKeys:keys activeKey:activeKey];
 661
 662   /* generate header row */
 663
 664   [self _appendHeaderRowToResponse:_response inContext:_ctx
 665         keys:keys activeKey:activeKey
 666         doScript:NO];
 667
 668   [_ctx deleteLastElementIDComponent]; // 'h' for head
 669   [_ctx removeObjectForKey:UIxTabView_HEAD];
 670
 671   /* body row */
 672
 673   [self _appendBodyRowToResponse:_response inContext:_ctx
 674         bgcolor:bgcolor
 675         activeKey:activeKey];
 676
 677   /* close table */
 678
 679   [_response appendContentString:@"</table>"];
 680   [_ctx removeObjectForKey:UIxTabView_ACTIVEKEY];
 681   [_ctx removeObjectForKey:UIxTabView_KEYS];
 682   [self restoreNestedState:nestedState inContext:_ctx];
 683 }
 684
 685 @end /* UIxTabView */