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 void HandleRightKey(KeyEventArgs e)
{
int num = this.Owner.Columns.IndexOf(this.Owner.CurrentColumn);
ITraverser <ListViewDetailColumn> enumerator = (ITraverser <ListViewDetailColumn>) this.columnScroller.Traverser.GetEnumerator();
enumerator.Position = (object)num;
if (!enumerator.MoveNext())
{
return;
}
this.Owner.CurrentColumn = enumerator.Current;
}
protected override void HandleRightKey(System.Windows.Forms.KeyEventArgs e)
{
int columnIndex = this.owner.Columns.IndexOf(this.owner.CurrentColumn);
ITraverser <ListViewDetailColumn> enumerator = (ITraverser <ListViewDetailColumn>) this.columnScroller.Traverser.GetEnumerator();
enumerator.Position = columnIndex;
if (enumerator.MoveNext())
{
this.owner.CurrentColumn = enumerator.Current;
}
}
private bool StepOutOfHierarchy()
{
GridViewHierarchyRowInfo hierarchyRow1 = this.hierarchyRow as GridViewHierarchyRowInfo;
if (this.hierarchyRow is GridViewGroupRowInfo || this.hierarchyRow.HasChildViews || this.processHierarchy && (this.hierarchyRow.Parent != null || this.hierarchyRow is GridViewHierarchyRowInfo))
{
IHierarchicalRow hierarchyRow2 = this.hierarchyRow;
this.oldRowIsGroupRow = hierarchyRow2 is GridViewGroupRowInfo;
this.hierarchyRow = this.hierarchyRow.Parent;
GridViewInfo gridViewInfo = this.Current != null ? this.Current.ViewInfo : (GridViewInfo)null;
bool flag = this.Current is GridViewHierarchyRowInfo;
if (this.hierarchyRow == null)
{
this.hierarchyRow = this.rootRow;
}
if (this.hierarchyTraversers.Count > 0)
{
ITraverser <GridViewRowInfo> traverser = this.hierarchyTraversers.Pop();
traverser.MovePrevious();
traverser.MovePrevious();
for (int index = 0; index < 5; ++index)
{
traverser.MoveNext();
if (traverser.Current == hierarchyRow2)
{
this.traverser = traverser;
return(this.ProcessHierarchy || hierarchyRow1 == null || (hierarchyRow1.ViewTemplate.Templates.Count <= 0 || !hierarchyRow1.ViewTemplate.IsSelfReference) || (gridViewInfo == null || hierarchyRow1.ViewTemplate == gridViewInfo.ViewTemplate) && (flag || hierarchyRow1 != this.rootRow));
}
}
}
this.CreateTraverser();
while (this.traverser.MoveNext())
{
if (this.traverser.Current == hierarchyRow2)
{
return(this.ProcessHierarchy || hierarchyRow1 == null || (hierarchyRow1.ViewTemplate.Templates.Count <= 0 || !hierarchyRow1.ViewTemplate.IsSelfReference) || (gridViewInfo == null || hierarchyRow1.ViewTemplate == gridViewInfo.ViewTemplate) && (flag || hierarchyRow1 != this.rootRow));
}
}
}
return(false);
}
protected virtual void HandleDragDrop(RadDropEventArgs e)
{
RadElement hitTarget1 = e.HitTarget as RadElement;
BaseListViewVisualItem targetElement = e.HitTarget as BaseListViewVisualItem;
BaseListViewElement hitTarget2 = e.HitTarget as BaseListViewElement;
if (hitTarget1 != null)
{
targetElement = this.owner.ViewElement.GetVisualItemAt(hitTarget1.PointToControl(e.DropLocation));
}
ListViewDataItem listViewDataItem = targetElement?.Data;
bool flag = false;
if (listViewDataItem != null)
{
listViewDataItem.Owner.ListSource.BeginUpdate();
if (this.owner.ViewElement.ShouldDropAfter(targetElement, e.DropLocation))
{
ITraverser <ListViewDataItem> enumerator = this.owner.ViewElement.Scroller.Traverser.GetEnumerator() as ITraverser <ListViewDataItem>;
enumerator.Position = (object)listViewDataItem;
flag = !enumerator.MoveNext();
listViewDataItem = enumerator.Current;
}
int newIndex = this.owner.ListSource.IndexOf(listViewDataItem);
if (this.draggedItems != null)
{
foreach (ListViewDataItem draggedItem in this.draggedItems)
{
int oldIndex = this.owner.ListSource.IndexOf(draggedItem);
this.owner.ListSource.Move(oldIndex, newIndex);
if (oldIndex > newIndex)
{
++newIndex;
}
}
}
else if (this.draggedItem != null)
{
int num1 = this.owner.ListSource.IndexOf(this.draggedItem);
if (flag)
{
int num2 = this.owner.ListSource.Count - 1;
}
else if (num1 < newIndex)
{
--newIndex;
}
this.owner.ListSource.Move(this.owner.ListSource.IndexOf(this.draggedItem), newIndex);
}
listViewDataItem.Owner.ListSource.EndUpdate();
listViewDataItem.Owner.ViewElement.Scroller.UpdateScrollValue();
}
else
{
if (hitTarget2 == null)
{
return;
}
hitTarget2.Owner.ListSource.BeginUpdate();
if (this.draggedItems != null)
{
foreach (ListViewDataItem draggedItem in this.draggedItems)
{
hitTarget2.Owner.ListSource.Move(this.owner.ListSource.IndexOf(draggedItem), this.owner.ListSource.Count - 1);
}
}
else if (this.draggedItem != null)
{
hitTarget2.Owner.ListSource.Move(this.owner.ListSource.IndexOf(this.draggedItem), this.owner.ListSource.Count - 1);
}
hitTarget2.Owner.ListSource.EndUpdate();
hitTarget2.Owner.ViewElement.Scroller.UpdateScrollValue();
}
}
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));
}
