| 278 | //----------------------------------------------------------------------------- |
| 279 | |
| 280 | bool SimSet::reOrder( SimObject *obj, SimObject *target ) |
| 281 | { |
| 282 | MutexHandle handle; |
| 283 | handle.lock(mMutex); |
| 284 | |
| 285 | iterator itrS, itrD; |
| 286 | if ( (itrS = find(begin(),end(),obj)) == end() ) |
| 287 | { |
| 288 | // object must be in list |
| 289 | return false; |
| 290 | } |
| 291 | |
| 292 | if ( obj == target ) |
| 293 | { |
| 294 | // don't reorder same object but don't indicate error |
| 295 | return true; |
| 296 | } |
| 297 | |
| 298 | if ( !target ) |
| 299 | { |
| 300 | // if no target, then put to back of list |
| 301 | |
| 302 | // don't move if already last object |
| 303 | if ( itrS != (end()-1) ) |
| 304 | { |
| 305 | // remove object from its current location and push to back of list |
| 306 | objectList.erase(itrS); |
| 307 | objectList.push_back(obj); |
| 308 | } |
| 309 | } |
| 310 | else |
| 311 | { |
| 312 | // if target, insert object in front of target |
| 313 | if ( (itrD = find(begin(),end(),target)) == end() ) |
| 314 | // target must be in list |
| 315 | return false; |
| 316 | |
| 317 | objectList.erase(itrS); |
| 318 | |
| 319 | // once itrS has been erased, itrD won't be pointing at the |
| 320 | // same place anymore - re-find... |
| 321 | itrD = find(begin(),end(),target); |
| 322 | objectList.insert(itrD, obj); |
| 323 | } |
| 324 | |
| 325 | return true; |
| 326 | } |
| 327 | |
| 328 | //----------------------------------------------------------------------------- |
| 329 | |