/// <summary>
/// Clears all data related to the active study.
/// </summary>
private void Clear()
{
_tags = "";
_originalTags = "";
_activeStudy = null;
_searchResults.Items.Clear();
_selectedSearchResult = null;
}
/// <summary>
/// Queries local datastore for studies based on specified search function.
/// </summary>
private void QueryStudies(string query, Converter <string, KeyValuePair <string, double>[]> searchFunc)
{
// if there is a previous task that may still be running, disconnect it so we effectively abandon it
if (_queryStudiesTask != null)
{
_queryStudiesTask.ProgressUpdated -= OnQueryStudiesProgressUpdate;
}
// clear existing items
_searchResults.Items.Clear();
// create new task to query similar studies asynchronously so as not to block UI
_queryStudiesTask = new BackgroundTask(
delegate(IBackgroundTaskContext ctx)
{
KeyValuePair <string, double>[] similarStudyUids = searchFunc(query);
foreach (KeyValuePair <string, double> kvp in similarStudyUids)
{
string studyUid = kvp.Key;
double score = kvp.Value;
QueryParameters queryParams = new QueryParameters();
queryParams.Add("PatientsName", "");
queryParams.Add("PatientId", "");
queryParams.Add("AccessionNumber", "");
queryParams.Add("StudyDescription", "");
queryParams.Add("ModalitiesInStudy", "");
queryParams.Add("StudyDate", "");
queryParams.Add("StudyInstanceUid", studyUid);
// currently only the local dicom store is supported
StudyItemList similarStudyItems = ImageViewerComponent.FindStudy(queryParams, null, "DICOM_LOCAL");
// should only ever be one result at most
// if zero results, it means the study exists in the tag database but not in the local dicom store
StudyItem studyItem = CollectionUtils.FirstElement(similarStudyItems);
if (studyItem != null)
{
StudyTableEntry entry = new StudyTableEntry(studyItem, MakeTagsString(_database.GetTagsForStudy(studyUid)), score);
ctx.ReportProgress(new StudyQueryProgress(entry));
}
}
}, false);
_queryStudiesTask.ProgressUpdated += OnQueryStudiesProgressUpdate;
_queryStudiesTask.Run();
}
public StudyQueryProgress(StudyTableEntry entry)
{
_entry = entry;
}
