public override void UpdateHScrollbarMaximum()
{
int val2 = 0;
ITraverser <ListViewDataItem> enumerator = (ITraverser <ListViewDataItem>) this.Scroller.Traverser.GetEnumerator();
enumerator.Reset();
bool flag = this.Owner.ShowGroups && this.Owner.Groups.Count > 0 && (this.Owner.EnableGrouping || this.Owner.EnableCustomGrouping) && !this.FullRowSelect;
while (enumerator.MoveNext())
{
val2 = Math.Max(enumerator.Current.ActualSize.Width + (enumerator.Current is ListViewDataItemGroup || !flag ? 0 : this.GroupIndent), val2);
}
if (this.HScrollBar.Maximum != val2)
{
if (this.HScrollBar.Value + this.HScrollBar.LargeChange - 1 > val2)
{
this.HScrollBar.Maximum = val2;
this.HScrollBar.Value = val2 - this.HScrollBar.LargeChange + 1;
}
else
{
this.HScrollBar.Maximum = val2;
}
}
this.UpdateHScrollbarVisibility();
}
internal override void UpdateHScrollbarMaximum()
{
int newMaximum = 0;
ITraverser <ListViewDataItem> enumerator = (ITraverser <ListViewDataItem>) this.Scroller.Traverser.GetEnumerator();
enumerator.Reset();
bool calcIndent = this.owner.ShowGroups && this.owner.Groups.Count > 0 &&
(this.owner.EnableGrouping || this.owner.EnableCustomGrouping) && !this.FullRowSelect;
while (enumerator.MoveNext())
{
newMaximum = Math.Max(
enumerator.Current.ActualSize.Width +
((!(enumerator.Current is ListViewDataItemGroup) && calcIndent) ? this.GroupIndent : 0),
newMaximum);
}
if (this.HScrollBar.Maximum != newMaximum)
{
if (this.HScrollBar.Value + this.HScrollBar.LargeChange - 1 > newMaximum)
{
this.HScrollBar.Maximum = newMaximum;
this.HScrollBar.Value = newMaximum - this.HScrollBar.LargeChange + 1;
}
else
{
this.HScrollBar.Maximum = newMaximum;
}
}
UpdateHScrollbarVisibility();
}
protected virtual bool IsFirstChildRow(IHierarchicalRow parent, GridViewRowInfo row)
{
ITraverser <GridViewRowInfo> traverser = this.GetTraverser(parent);
traverser.Reset();
traverser.MoveNext();
return(traverser.Current == row);
}
/// <summary>
/// Handles a press of the Home key.
/// </summary>
/// <param name="e">The event args.</param>
protected virtual void HandleHomeKey(KeyEventArgs e)
{
ITraverser <ListViewDataItem> enumerator = this.Scroller.Traverser.GetEnumerator() as ITraverser <ListViewDataItem>;
enumerator.Reset();
if (enumerator.MoveNext() && enumerator.Current != null)
{
this.ProcessSelection(enumerator.Current, Control.ModifierKeys, false);
}
}
protected override bool ProcessDialogKey(Keys keyData)
{
if (keyData == Keys.Tab)
{
var view = this.ListViewElement.ViewElement as DetailListViewElement;
var element = this.ListViewElement;
int columnIndex = element.Columns.IndexOf(element.CurrentColumn);
ITraverser <ListViewDetailColumn> colEnumerator = (ITraverser <ListViewDetailColumn>)view.ColumnScroller.Traverser.GetEnumerator();
colEnumerator.Position = columnIndex;
if (colEnumerator.MoveNext())
{
var isEditing = element.IsEditing;
element.CurrentColumn = colEnumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
else
{
ListViewTraverser enumerator = view.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Position = element.CurrentItem;
if (enumerator.MoveNext())
{
var isEditing = element.IsEditing;
colEnumerator.Reset();
colEnumerator.MoveNext();
element.CurrentColumn = colEnumerator.Current;
element.CurrentItem = enumerator.Current;
element.SelectedItem = enumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
}
}
if (keyData == (Keys.Tab | Keys.Shift))
{
var view = this.ListViewElement.ViewElement as DetailListViewElement;
var element = this.ListViewElement;
int columnIndex = element.Columns.IndexOf(element.CurrentColumn);
ITraverser <ListViewDetailColumn> colEnumerator = (ITraverser <ListViewDetailColumn>)view.ColumnScroller.Traverser.GetEnumerator();
colEnumerator.Position = columnIndex;
if (colEnumerator.MovePrevious())
{
var isEditing = element.IsEditing;
element.CurrentColumn = colEnumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
else
{
ListViewTraverser enumerator = view.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Position = element.CurrentItem;
if (enumerator.MovePrevious())
{
var isEditing = element.IsEditing;
colEnumerator.MoveToEnd();
element.CurrentColumn = colEnumerator.Current;
element.CurrentItem = enumerator.Current;
element.SelectedItem = enumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
}
}
return(base.ProcessDialogKey(keyData));
}
