public virtual void Search(string criteria)
{
if (this.IsSearchSuspended)
{
return;
}
this.searchCriteria = criteria;
this.selectionChangedByUser = false;
if (this.worker.IsBusy)
{
if (!this.worker.CancellationPending && !GridViewSearchRowInfo.Cancel)
{
this.worker.CancelAsync();
GridViewSearchRowInfo.Cancel = true;
}
Application.DoEvents();
}
foreach (GridSearchResultCellInfo searchResultCellInfo in (List <GridSearchResultCellInfo>) this.searchResult)
{
searchResultCellInfo.RowInfo.SearchCache.Clear();
}
string cacheKey = this.GetCacheKey();
if (this.cache.ContainsKey((object)cacheKey))
{
this.searchResult = new GridSearchResultCellCollection((IEnumerable <GridSearchResultCellInfo>)(this.cache[(object)cacheKey] as GridSearchResultCellCollection));
this.searchResultCurrentIndex = -1;
foreach (GridSearchResultCellInfo searchResultCellInfo in (List <GridSearchResultCellInfo>) this.searchResult)
{
GridViewGroupRowInfo rowInfo = searchResultCellInfo.RowInfo as GridViewGroupRowInfo;
GridViewColumn gridViewColumn = searchResultCellInfo.ColumnInfo;
if (rowInfo != null)
{
gridViewColumn = this.GetGroupedColumnInfo(rowInfo);
}
GridViewDataColumn gridViewDataColumn = gridViewColumn as GridViewDataColumn;
if (gridViewDataColumn == null || gridViewDataColumn.AllowSearching)
{
if (searchResultCellInfo.RowInfo.SearchCache.ContainsKey((object)gridViewColumn))
{
searchResultCellInfo.RowInfo.SearchCache[(object)gridViewColumn] = (object)criteria;
}
else
{
searchResultCellInfo.RowInfo.SearchCache.Add((object)gridViewColumn, (object)criteria);
}
}
}
if (this.searchResult.Count > 0 && this.AutomaticallySelectFirstResult)
{
this.SelectNextSearchResult();
}
this.OnSearchProgressChanged(new SearchProgressChangedEventArgs(this.searchCriteria, (GridSearchResultCellInfo)null, this.searchResult, true));
}
else
{
while (this.worker.IsBusy)
{
Application.DoEvents();
}
this.searchResult.Clear();
this.searchResultCurrentIndex = -1;
GridViewSearchRowInfo.Cancel = false;
if (!string.IsNullOrEmpty(criteria))
{
this.isSearching = true;
if (this.IsSearchAsync)
{
this.worker.RunWorkerAsync((object)criteria);
}
else
{
this.TraverseRows((DoWorkEventArgs)null);
}
}
else
{
this.OnSearchProgressChanged(new SearchProgressChangedEventArgs(this.searchCriteria, (GridSearchResultCellInfo)null, this.searchResult, true));
}
}
}
protected virtual void TraverseRows(DoWorkEventArgs e = null)
{
if (e != null)
{
e.Result = (object)false;
}
bool flag = false;
GridViewRowInfo currentRow = this.ViewTemplate.MasterTemplate.Owner.CurrentRow;
GridSearchResultCellCollection resultCells = (GridSearchResultCellCollection)null;
IEnumerator enumerator = (IEnumerator)this.CreateTraverser();
if (this.ViewTemplate.MasterTemplate.EnablePaging)
{
enumerator = this.CreatePagedTraverser(this.ViewTemplate.MasterTemplate.EnableGrouping && this.ViewTemplate.MasterTemplate.GroupDescriptors.Count > 0);
}
int traverserRowIndex = -1;
while (enumerator.MoveNext())
{
++traverserRowIndex;
if (GridViewSearchRowInfo.Cancel && !this.IsSearchAsync)
{
GridViewSearchRowInfo.Cancel = false;
e.Result = (object)true;
return;
}
if (!(enumerator.Current is GridViewTableHeaderRowInfo) && !(enumerator.Current is GridViewNewRowInfo) && (!(enumerator.Current is GridViewFilteringRowInfo) && !(enumerator.Current is GridViewSearchRowInfo)))
{
if (this.SearchFromCurrentPosition)
{
if (enumerator.Current == currentRow)
{
flag = true;
}
if (currentRow != null && !flag)
{
continue;
}
}
GridViewGroupRowInfo current1 = enumerator.Current as GridViewGroupRowInfo;
if (current1 != null)
{
if (GridViewSearchRowInfo.Cancel && !this.IsSearchAsync)
{
GridViewSearchRowInfo.Cancel = false;
e.Result = (object)true;
return;
}
if (this.MatchesSearchCriteria(this.searchCriteria, (GridViewRowInfo)current1, (GridViewColumn)null))
{
GridViewColumn groupedColumnInfo = this.GetGroupedColumnInfo(current1);
if (current1.SearchCache.ContainsKey((object)groupedColumnInfo))
{
current1.SearchCache[(object)groupedColumnInfo] = (object)this.searchCriteria;
}
else
{
current1.SearchCache.Add((object)groupedColumnInfo, (object)this.searchCriteria);
}
GridSearchResultCellInfo resultCell = new GridSearchResultCellInfo((GridViewRowInfo)current1, (GridViewColumn)null, traverserRowIndex, 0);
if (this.searchResult.Count < this.InitialSearchResultsTreshold)
{
this.ReportSearchProgress(0, resultCell, (GridSearchResultCellCollection)null);
}
else
{
if (resultCells == null)
{
resultCells = new GridSearchResultCellCollection(this.SearchResultsGroupSize);
}
resultCells.Add(resultCell);
if (resultCells.Count == this.SearchResultsGroupSize)
{
this.ReportSearchProgress(0, (GridSearchResultCellInfo)null, resultCells);
resultCells = (GridSearchResultCellCollection)null;
}
}
}
}
else
{
GridViewRowInfo current2 = enumerator.Current as GridViewRowInfo;
int traverserColumnIndex = -1;
for (int index = 0; index < current2.ViewTemplate.Columns.Count; ++index)
{
GridViewColumn column = (GridViewColumn)current2.ViewTemplate.Columns[index];
++traverserColumnIndex;
if (GridViewSearchRowInfo.Cancel && !this.IsSearchAsync)
{
GridViewSearchRowInfo.Cancel = false;
e.Result = (object)true;
return;
}
GridViewDataColumn gridViewDataColumn = column as GridViewDataColumn;
if ((gridViewDataColumn == null || gridViewDataColumn.AllowSearching) && (column.IsVisible && !column.IsGrouped) && (!(column is GridViewImageColumn) && this.MatchesSearchCriteria(this.searchCriteria, current2, column)))
{
if (current2.SearchCache.ContainsKey((object)column))
{
current2.SearchCache[(object)column] = (object)this.searchCriteria;
}
else
{
current2.SearchCache.Add((object)column, (object)this.searchCriteria);
}
GridSearchResultCellInfo resultCell = new GridSearchResultCellInfo(current2, column, traverserRowIndex, traverserColumnIndex);
if (this.searchResult.Count < this.InitialSearchResultsTreshold)
{
this.ReportSearchProgress(0, resultCell, (GridSearchResultCellCollection)null);
}
else
{
if (resultCells == null)
{
resultCells = new GridSearchResultCellCollection();
}
resultCells.Add(resultCell);
if (resultCells.Count == this.SearchResultsGroupSize)
{
this.ReportSearchProgress(0, (GridSearchResultCellInfo)null, resultCells);
resultCells = (GridSearchResultCellCollection)null;
}
}
}
}
}
}
}
if (resultCells != null && resultCells.Count > 0)
{
this.ReportSearchProgress(100, (GridSearchResultCellInfo)null, resultCells);
}
else
{
this.ReportSearchProgress(100, (GridSearchResultCellInfo)null, (GridSearchResultCellCollection)null);
}
}
public VirtualHierarchyAccessor(GridViewColumn column)
: base(column)
{
}
