| 276 | //----------------------------------------------------------------------------- |
| 277 | |
| 278 | bool SimSet::reOrder( SimObject *obj, SimObject *target ) |
| 279 | { |
| 280 | MutexHandle handle; |
| 281 | handle.lock(mMutex); |
| 282 | |
| 283 | iterator itrS, itrD; |
| 284 | if ( (itrS = find(begin(),end(),obj)) == end() ) |
| 285 | { |
| 286 | // object must be in list |
| 287 | return false; |
| 288 | } |
| 289 | |
| 290 | if ( obj == target ) |
| 291 | { |
| 292 | // don't reorder same object but don't indicate error |
| 293 | return true; |
| 294 | } |
| 295 | |
| 296 | if ( !target ) |
| 297 | { |
| 298 | // if no target, then put to back of list |
| 299 | |
| 300 | // don't move if already last object |
| 301 | if ( itrS != (end()-1) ) |
| 302 | { |
| 303 | // remove object from its current location and push to back of list |
| 304 | mObjectList.erase(itrS); |
| 305 | mObjectList.push_back(obj); |
| 306 | } |
| 307 | } |
| 308 | else |
| 309 | { |
| 310 | // if target, insert object in front of target |
| 311 | if ( (itrD = find(begin(),end(),target)) == end() ) |
| 312 | // target must be in list |
| 313 | return false; |
| 314 | |
| 315 | mObjectList.erase(itrS); |
| 316 | |
| 317 | // once itrS has been erased, itrD won't be pointing at the |
| 318 | // same place anymore - re-find... |
| 319 | itrD = find(begin(),end(),target); |
| 320 | mObjectList.insert(itrD, obj); |
| 321 | } |
| 322 | |
| 323 | return true; |
| 324 | } |
| 325 | |
| 326 | //----------------------------------------------------------------------------- |
| 327 | |