private void HandleColumnClick(object sender, ColumnEventArgs e)
{
ResourcePropsColumn col = e.Column as ResourcePropsColumn;
if (col != null && _listView != null)
{
HandeColumnClick(col);
}
}
private ResourceComparer CreateColumnComparer(ResourcePropsColumn col, SortSettings sortSettings)
{
if (col.CustomComparer != null)
{
return(new ResourceComparer(_resourceList, col.CustomComparer, sortSettings.SortAscending));
}
else
{
return(new ResourceComparer(_resourceList, sortSettings, true));
}
}
public void UpdateSortColumn()
{
if (_curSortSettings != null)
{
foreach (JetListViewColumn col in _listView.Columns)
{
ResourcePropsColumn rlvCol = col as ResourcePropsColumn;
if (rlvCol != null && rlvCol.PropIdsEqual(_curSortSettings.SortProps))
{
rlvCol.SortIcon = _curSortSettings.SortAscending ? SortIcon.Ascending : SortIcon.Descending;
_lastSortColumn = rlvCol;
_listView.GroupProvider = _lastSortColumn.GroupProvider;
break;
}
}
}
}
public void ApplySortSettings(JetListView listView, SortSettings sortSettings)
{
if (sortSettings != null)
{
_curSortSettings = sortSettings;
bool foundComparerColumn = false;
foreach (JetListViewColumn col in listView.Columns)
{
ResourcePropsColumn propsCol = col as ResourcePropsColumn;
if (propsCol != null && propsCol.PropIdsEqual(sortSettings.SortProps))
{
_lastComparer = CreateColumnComparer(propsCol, sortSettings);
propsCol.SortIcon = sortSettings.SortAscending ? SortIcon.Ascending : SortIcon.Descending;
_lastSortColumn = propsCol;
_listView.GroupProvider = _lastSortColumn.GroupProvider;
foundComparerColumn = true;
}
else
{
col.SortIcon = SortIcon.None;
}
}
if (!foundComparerColumn)
{
_lastComparer = new ResourceComparer(_resourceList, _curSortSettings, true);
}
if (_lastComparer != null)
{
_listView.NodeCollection.SetItemComparer(null, _lastComparer);
if (_nodesAdded)
{
_listView.NodeCollection.Sort();
}
}
}
}
public void HandeColumnClick(ResourcePropsColumn col)
{
ComparableArrayList propList = new ComparableArrayList(col.PropIds);
if (_lastComparer != null && col == _lastSortColumn)
{
Guard.NullMember(_curSortSettings, "_curSortSettings");
_curSortSettings = _curSortSettings.Reverse();
_lastSortDirections [propList] = (col.SortIcon == SortIcon.Descending); // reverse
}
else
{
bool sortAscending = true;
if (_lastSortDirections.ContainsKey(propList))
{
sortAscending = (bool)_lastSortDirections [propList];
}
_curSortSettings = new SortSettings(col.PropIds, sortAscending);
if (_lastSortColumn != null)
{
_lastSortColumn.SortIcon = SortIcon.None;
}
_lastSortColumn = col;
}
_lastComparer = CreateColumnComparer(col, _curSortSettings);
Guard.NullMember(_lastSortColumn, "_lastSortColumn");
_lastSortColumn.SortIcon = _curSortSettings.SortAscending ? SortIcon.Ascending : SortIcon.Descending;
Guard.NullMember(_listView, "_listView");
_listView.NodeCollection.SetItemComparer(null, _lastComparer);
_listView.NodeCollection.Sort();
_listView.GroupProvider = _lastSortColumn.GroupProvider;
OnSortChanged();
}
