Example #1
0
void KstVectorDialogI::edit_I() {
  int index;
  KstFilePtr file;
  KstRVectorPtr vector;

  index = Select->currentItem();
  KstRVectorList vectorList = kstObjectSubList<KstVector,KstRVector>(KST::vectorList);
  if (index < 0) {
    KMessageBox::sorry(0L, i18n("You need to select an active vector to edit."));
    return;
  }

  if (unsigned(index) >= vectorList.count()) {
    new_I();
  } else {
    /* verify that the vector name is unique */
    if (Select->currentText() != vectorList[index]->tagName()) {
      if (KST::dataTagNameNotUnique(Select->currentText())) return;
    }

    /* if there is not an active KstFile, create one */
    KstFileList::Iterator it = KST::fileList.findFileName(FileName->url());

    if (it == KST::fileList.end()) {
      file = new KstFile(FileName->url());
      if (file->numFrames() < 1) { // No data in file
	KMessageBox::sorry(0L, i18n("The requested file does not contain data."));
	return;
      }
      KST::fileList.append(file);
    } else {
      file = *it;
    }

    if (!file->isValidField(Field->currentText())) {
      KMessageBox::sorry(0L, i18n("The requested field is not defined for the requested file\n"));
      return;
    }

    vector = vectorList[index];

    /* change the vector */
    vector->change(file, Field->currentText(),
                   Select->currentText(),
                   (CountFromEnd->isChecked() ?
                    -1 : F0->value()),
                   (ReadToEnd->isChecked() ?
                    -1 : N->value()),
                   Skip->value(),
		   DoSkip->isChecked(),
		   DoFilter->isChecked());

    /** purge unused files */
    //doc->fileList.Purge();

    vector = 0L;
    vectorList.clear();
    emit modified();
  }
}
bool KstVectorDialogI::editSingleObjectRV(KstVectorPtr vcPtr) {
  KstRVectorPtr rvp = kst_cast<KstRVector>(vcPtr);

  KstDataSourcePtr file;
  if (_fileNameDirty) {
    // if there is not an active KstFile, create one
    KST::dataSourceList.lock().writeLock();
    KstDataSourceList::Iterator it = KST::dataSourceList.findReusableFileName(_w->FileName->url());

    if (it == KST::dataSourceList.end()) {
      file = KstDataSource::loadSource(_w->FileName->url());
      if (!file || !file->isValid()) {
        KST::dataSourceList.lock().unlock();
        KMessageBox::sorry(this, i18n("The file could not be opened."));
        return false;
      }
      if (file->isEmpty()) {
        KST::dataSourceList.lock().unlock();
        KMessageBox::sorry(this, i18n("The file does not contain data."));
        return false;
      }
      KST::dataSourceList.append(file);
    } else {
      file = *it;
    }
    KST::dataSourceList.lock().unlock();
  } else {
    KstRVectorList vcList = kstObjectSubList<KstVector,KstRVector>(KST::vectorList);
    for (uint i = 0; i < _editMultipleWidget->_objectList->count(); i++) {
      if (_editMultipleWidget->_objectList->isSelected(i)) {
        // get the pointer to the object
        KstRVectorList::Iterator vcIter = vcList.findTag(_editMultipleWidget->_objectList->text(i));
        if (vcIter == vcList.end()) {
          return false;
        }

        KstRVectorPtr rvp = *vcIter;
        rvp->readLock();
        file = rvp->dataSource();
        rvp->unlock();
      }
    }
  }

  file->writeLock();
  if (rvp) {
    QString pField;
    if (_fileNameDirty) {
      pField = _w->Field->currentText();
      if (!file->isValidField(pField)) {
        KMessageBox::sorry(this, i18n("The requested field is not defined for the requested file."));
        file->unlock();
        return false;
      }
    } else {
      pField = rvp->field();
    }

    int f0 = 0, n = 0;
    if (_f0Dirty) {
      if (_w->_kstDataRange->isStartRelativeTime()) {
        f0 = file->sampleForTime(_w->_kstDataRange->f0Value());
      } else if (_w->_kstDataRange->isStartAbsoluteTime()) {
        bool ok = false;
        f0 = file->sampleForTime(_w->_kstDataRange->f0DateTimeValue(), &ok);
        if (!ok) {
          file->unlock();
          KMessageBox::sorry(this, i18n("The requested field or file could not use the specified date."));
          return false;
        }
      } else {
        f0 = int(_w->_kstDataRange->f0Value());
      }
    }
    if (_nDirty) {
      if (_w->_kstDataRange->isRangeRelativeTime()) {
        double nValStored = _w->_kstDataRange->nValue();
        if (_w->_kstDataRange->CountFromEnd->isChecked()) {
          int frameCount = file->frameCount(_w->Field->currentText());
          double msCount = file->relativeTimeForSample(frameCount - 1);
          n = frameCount - 1 - file->sampleForTime(msCount - nValStored);
        } else {
          double fTime = file->relativeTimeForSample(f0);
          n = file->sampleForTime(fTime + nValStored) - file->sampleForTime(fTime);
        }
      } else {
        n = int(_w->_kstDataRange->nValue());
      }
    }
    // use existing requested start and number of frames if not dirty
    rvp->readLock();
    if (!_f0Dirty) {
      f0 = rvp->reqStartFrame();
    }
    if (!_nDirty) {
      n = rvp->reqNumFrames();
    }
    // other parameters for multiple edit
    bool pCountFromEnd, pReadToEnd, pDoSkip, pDoFilter;
    int pSkip;

    if (_countFromEndDirty) {
      pCountFromEnd = _w->_kstDataRange->CountFromEnd->isChecked();
    } else {
      pCountFromEnd = rvp->countFromEOF();
    }

    if (_readToEndDirty) {
      pReadToEnd = _w->_kstDataRange->ReadToEnd->isChecked();
    } else {
      pReadToEnd = rvp->readToEOF();
    }

    if (_skipDirty) {
      pSkip = _w->_kstDataRange->Skip->value();
    } else {
      pSkip = rvp->skip();
    }

    if (_doSkipDirty) {
      pDoSkip = _w->_kstDataRange->DoSkip->isChecked();
    } else {
      pDoSkip = rvp->doSkip();
    }

    if (_doFilterDirty) {
      pDoFilter = _w->_kstDataRange->DoFilter->isChecked();
    } else {
      pDoFilter = rvp->doAve();
    }

    rvp->unlock();

    // change the vector
    rvp->writeLock();
    rvp->change(file, pField, rvp->tag(), pCountFromEnd ?  -1 : f0, pReadToEnd ?  -1 : n, pSkip, pDoSkip, pDoFilter);
    rvp->unlock();
  } else {
    KstSVectorPtr svp = kst_cast<KstSVector>(_dp);
    if (!svp) {
      file->unlock();
      return true; // shouldn't be needed
    }
    double x0 = _w->_xMin->text().toDouble();
    double x1 = _w->_xMax->text().toDouble();
    int n = _w->_N->value();

    svp->writeLock();
    svp->changeRange(x0, x1, n);
    svp->setTagName(KstObjectTag(_tagName->text(), svp->tag().context())); // FIXME: doesn't verify uniqueness, doesn't allow changing tag context
    svp->unlock();
  }
  file->unlock();
  return true;
}