private void toggleExpanded(int rowindex)
{
List <AreaOverview.AOPollutantTreeListRow> data = ViewState[COLDATA] as List <AreaOverview.AOPollutantTreeListRow>;
AreaOverview.AOPollutantTreeListRow row = data[rowindex];
//toggle expansion
row.IsExpanded = !row.IsExpanded;
//Load data from database, if not already loaded
if (row.HasChildren && row.IsExpanded && !data.Any(r => r.Level == row.Level + 1 && r.ParentCode == row.Code))
{
List <string> pollutantCodes = getOrderedPollutantCodes();
MediumFilter.Medium medium = this.ucMediumSelector.SelectedMedium;
int pollutantGroupID = Convert.ToInt32(this.cbPollutantGroup.SelectedValue);
if (row.Level == 0)
{
var activities = QueryLayer.AreaOverview.GetPollutantReleaseActivities(SearchFilter, medium, pollutantGroupID, new List <string> {
row.SectorCode
}, pollutantCodes);
addToData(activities);
}
else if (row.Level == 1)
{
var subactivities = QueryLayer.AreaOverview.GetPollutantReleaseSubActivities(SearchFilter, medium, pollutantGroupID, new List <string> {
row.ActivityCode
}, pollutantCodes);
addToData(subactivities);
}
}
populateList(false); //do not restart paging
}
//Rows will only be shown if parent is expanded (grand-parents must be expanded too)
protected void rows_OnItemDataBound(object sender, ListViewItemEventArgs e)
{
ListViewDataItem dataItem = e.Item as ListViewDataItem;
if (dataItem == null)
{
return; //safe check
}
int rowindex = dataItem.DataItemIndex;
List <AreaOverview.AOPollutantTreeListRow> data = ViewState[COLDATA] as List <AreaOverview.AOPollutantTreeListRow>;
AreaOverview.AOPollutantTreeListRow row = data[rowindex];
//Sectors need not to be considered. Will always be visible
bool collapsed = false;
if (row.Level > 0)
{
//is sector collapsed?
collapsed = !data.Single(d => d.SectorCode == row.SectorCode && d.Level == 0).IsExpanded;
if (row.Level > 1 && !collapsed)
{
//is activity collapsed?
collapsed = !data.Single(d => d.ActivityCode == row.ActivityCode && d.Level == 1).IsExpanded;
}
}
dataItem.Visible = !collapsed;
}
private void toggleExpanded(int rowindex)
{
List <AreaOverview.AOPollutantTreeListRow> data = ViewState[COLDATA] as List <AreaOverview.AOPollutantTreeListRow>;
AreaOverview.AOPollutantTreeListRow row = data[rowindex];
//toggle expansion
row.IsExpanded = !row.IsExpanded;
//Load data from database, if not already loaded
if (row.HasChildren && row.IsExpanded && !data.Any(r => r.Level == row.Level + 1 && r.ParentCode == row.Code))
{
List <string> pollutantCodes = getOrderedPollutantCodes();
int pollutantGroupID = Convert.ToInt32(this.cbPollutantGroup.SelectedValue);
if (row.Level == 0)
{
var activities = QueryLayer.AreaOverview.GetPollutantTransferActivities(SearchFilter, pollutantGroupID, new List <string> {
row.SectorCode
}, pollutantCodes);
addToData(activities);
}
else if (row.Level == 1)
{
var subactivities = QueryLayer.AreaOverview.GetPollutantTransferSubActivities(SearchFilter, pollutantGroupID, new List <string> {
row.ActivityCode
}, pollutantCodes);
addToData(subactivities);
}
}
populateList(false); //do not restart paging
// notify that content has changed (print)
if (ContentChanged != null)
{
ContentChanged.Invoke(null, EventArgs.Empty);
}
}
