protected override void EnsureItemVisibleHorizontal(ListViewDataItem item)
{
RadElement element = (RadElement)this.GetElement(item);
if (element == null)
{
return;
}
this.HScrollBar.Value = element.Bounds.Left;
}
protected override void HandleUpKey(KeyEventArgs e)
{
ListViewDataItem listViewDataItem = this.Orientation == Orientation.Vertical ? this.GetUpperItem(this.Owner.CurrentItem) : this.GetPreviousItem(this.Owner.CurrentItem);
if (listViewDataItem == null)
{
return;
}
this.ProcessSelection(listViewDataItem, Control.ModifierKeys, false);
}
public virtual object this[ListViewDataItem item]
{
get
{
return(item.Cache[this.column]);
}
set
{
this.SetUnboundValue(item, value);
}
}
public override void Attach(ListViewDataItem data, object context)
{
if (data.Owner.ShowCheckBoxes)
{
this.ToggleElement.Visibility = ElementVisibility.Visible;
}
else
{
this.ToggleElement.Visibility = ElementVisibility.Collapsed;
}
base.Attach(data, context);
}
public override void Attach(ListViewDataItem data, object context)
{
base.Attach(data, context);
cellContainer.Context = dataItem.Owner.ViewElement as DetailListViewElement;
cellContainer.DataProvider = cellContainer.Context.ColumnScroller;
cellContainer.Context.ColumnScroller.ScrollerUpdated += new EventHandler(ColumnScroller_ScrollerUpdated);
foreach (DetailListViewDataCellElement cell in this.cellContainer.Children)
{
cell.Synchronize();
}
}
private void SetUnboundValue(ListViewDataItem item, object value)
{
if (item != null && this.Owner != null && !this.suspendItemChanged)
{
this.Owner.ListSource.NotifyItemChanging(item);
}
item.Cache[this.column] = value;
if (item == null || this.Owner == null || this.suspendItemChanged)
{
return;
}
this.Owner.ListSource.NotifyItemChanged(item);
}
protected override void EnsureItemVisibleVerticalCore(ListViewDataItem item)
{
if (this.Orientation == Orientation.Horizontal)
{
this.EnsureItemVisibleHorizontal(item);
}
else
{
int val1 = 0;
BaseListViewVisualItem element1 = this.GetElement(item);
if (element1 == null)
{
this.Scroller.ScrollToItem(item);
this.Scroller.Scrollbar.PerformLargeDecrement(1);
this.ViewElement.UpdateLayout();
element1 = this.GetElement(item);
}
if (element1 != null)
{
if (element1.ControlBoundingRectangle.Bottom <= this.ViewElement.ControlBoundingRectangle.Bottom)
{
return;
}
this.EnsureItemVisible(item);
}
else
{
ListViewTraverser enumerator = (ListViewTraverser)this.Scroller.Traverser.GetEnumerator();
while (enumerator.MoveNext())
{
val1 = Math.Max(val1, (int)this.ViewElement.ElementProvider.GetElementSize(enumerator.Current).Height + this.ItemSpacing);
if (enumerator.Current.IsLastInRow)
{
this.SetScrollValue(this.VScrollBar, this.VScrollBar.Value + val1);
val1 = 0;
this.UpdateLayout();
BaseListViewVisualItem element2 = this.GetElement(item);
if (element2 != null)
{
if (element2.ControlBoundingRectangle.Bottom <= this.ViewElement.ControlBoundingRectangle.Bottom)
{
break;
}
this.EnsureItemVisible(item);
break;
}
}
}
}
}
}
protected virtual float CalculateColumnWidth(
ListViewDetailColumn column,
ListViewBestFitColumnMode mode)
{
IVirtualizedElementProvider <ListViewDataItem> elementProvider = this.DetailListView.Scroller.ElementProvider;
float val1 = 0.0f;
if (mode == ListViewBestFitColumnMode.HeaderCells || mode == ListViewBestFitColumnMode.AllCells)
{
DetailListViewHeaderCellElement element = this.DetailListView.ColumnScroller.ElementProvider.GetElement(column, (object)null) as DetailListViewHeaderCellElement;
this.DetailListView.ColumnContainer.Children.Add((RadElement)element);
element.Attach(column, (object)null);
element.ResetLayout(true);
val1 = Math.Max(val1, this.GetCellDesiredWidth((DetailListViewCellElement)element));
this.DetailListView.ColumnContainer.Children.Remove((RadElement)element);
this.Detach(this.DetailListView.ColumnScroller.ElementProvider, (DetailListViewCellElement)element);
if (mode == ListViewBestFitColumnMode.HeaderCells)
{
return(val1);
}
}
IEnumerator <ListViewDataItem> enumerator = (IEnumerator <ListViewDataItem>)null;
if (mode == ListViewBestFitColumnMode.DataCells || mode == ListViewBestFitColumnMode.AllCells)
{
enumerator = (IEnumerator <ListViewDataItem>) new ListViewTraverser(this.DetailListView.Owner);
}
enumerator.Reset();
while (enumerator.MoveNext())
{
ListViewDataItem current = enumerator.Current;
if (this.CanBestFitItem(current))
{
DetailListViewVisualItem element1 = elementProvider.GetElement(current, (object)null) as DetailListViewVisualItem;
element1.Attach(current, (object)null);
this.DetailListView.ColumnContainer.Children.Add((RadElement)element1);
IVirtualizedElementProvider <ListViewDetailColumn> cellElementProvider = (IVirtualizedElementProvider <ListViewDetailColumn>) new DetailListViewDataCellElementProvider(element1);
DetailListViewCellElement element2 = cellElementProvider.GetElement(column, (object)element1) as DetailListViewCellElement;
element1.Children.Add((RadElement)element2);
element2.Attach(column, (object)element1);
element2.ResetLayout(true);
val1 = Math.Max(val1, this.GetCellDesiredWidth(element2));
element1.Children.Remove((RadElement)element2);
this.DetailListView.ColumnContainer.Children.Remove((RadElement)element1);
this.Detach(cellElementProvider, element2);
this.Detach(elementProvider, element1);
}
}
return(val1);
}
public override void Attach(ListViewDataItem data, object context)
{
if (data.Owner.ShowCheckBoxes)
{
this.ToggleElement.Visibility = ElementVisibility.Visible;
}
else
{
this.ToggleElement.Visibility = ElementVisibility.Collapsed;
}
base.Attach(data, context);
this.cellContainer.Context = this.dataItem.Owner.ViewElement as DetailListViewElement;
this.cellContainer.DataProvider = (IEnumerable)this.cellContainer.Context.ColumnScroller;
this.cellContainer.Context.ColumnScroller.ScrollerUpdated += new EventHandler(this.ColumnScroller_ScrollerUpdated);
}
public override object ConvertTo(
ITypeDescriptorContext context,
CultureInfo culture,
object value,
Type destinationType)
{
if ((object)destinationType == null)
{
throw new ArgumentNullException(nameof(destinationType));
}
if ((object)destinationType == (object)typeof(InstanceDescriptor) && value is ListViewDataItem)
{
ListViewDataItem listViewDataItem = (ListViewDataItem)value;
string[] strArray = new string[listViewDataItem.SubItems.Count];
for (int index = 0; index < strArray.Length; ++index)
{
strArray[index] = Convert.ToString(listViewDataItem.SubItems[index]);
}
if (listViewDataItem.SubItems.Count == 0)
{
ConstructorInfo constructor = typeof(ListViewDataItem).GetConstructor(new Type[1] {
typeof(string)
});
if ((object)constructor != null)
{
return((object)new InstanceDescriptor((MemberInfo)constructor, (ICollection) new object[1] {
(object)listViewDataItem.Text
}, false));
}
}
ConstructorInfo constructor1 = typeof(ListViewDataItem).GetConstructor(new Type[2] {
typeof(string), typeof(string[])
});
if ((object)constructor1 != null)
{
return((object)new InstanceDescriptor((MemberInfo)constructor1, (ICollection) new object[2] {
(object)listViewDataItem.Text, (object)strArray
}, false));
}
}
if ((object)destinationType == (object)typeof(string) && value is ListViewDataItem)
{
return((object)((ListViewDataItem)value).Text);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
protected override void HandleLeftKey(KeyEventArgs e)
{
ListViewDataItemGroup group = this.owner.CurrentItem as ListViewDataItemGroup;
if (group != null)
{
group.Expanded = false;
}
else
{
ListViewDataItem previousItem = GetPreviousItem(this.owner.CurrentItem);
if (previousItem != null)
{
this.ProcessSelection(previousItem, Control.ModifierKeys, false);
}
}
}
protected override void HandleRightKey(KeyEventArgs e)
{
ListViewDataItemGroup group = this.owner.CurrentItem as ListViewDataItemGroup;
if (group != null)
{
group.Expanded = true;
}
else
{
ListViewDataItem nextItem = GetNextItem(this.owner.CurrentItem);
if (nextItem != null)
{
this.ProcessSelection(nextItem, Control.ModifierKeys, false);
}
}
}
protected virtual ListViewDataItem GetDownerItem(ListViewDataItem currentItem)
{
ListViewTraverser enumerator = this.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Position = currentItem;
int currentItemX = 0;
while (enumerator.MovePrevious() &&
enumerator.Current != null && !enumerator.Current.IsLastInRow)
{
currentItemX += enumerator.Current.ActualSize.Width;
}
if (!(currentItem is ListViewDataItemGroup) && currentItem != null)
{
currentItemX += currentItem.ActualSize.Width / 2;
}
enumerator.Position = currentItem;
while (currentItem != null &&
!currentItem.IsLastInRow &&
enumerator.MoveNext() &&
!enumerator.Current.IsLastInRow)
{
}
int x = 0;
while (enumerator.MoveNext())
{
if (x + enumerator.Current.ActualSize.Width >= currentItemX)
{
return(enumerator.Current);
}
x += enumerator.Current.ActualSize.Width;
if (enumerator.Current.IsLastInRow)
{
break;
}
}
return(null);
}
public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
if ((context != null) && (context.Instance != null))
{
ListViewDataItem instance = context.Instance as ListViewDataItem;
if ((instance != null) && (instance.Owner != null))
{
ArrayList values = new ArrayList();
foreach (ListViewDataItemGroup group in instance.Owner.Groups)
{
values.Add(group.Text);
}
values.Add(null);
return(new TypeConverter.StandardValuesCollection(values));
}
}
return(null);
}
protected override void HandleRightKey(KeyEventArgs e)
{
ListViewDataItemGroup currentItem = this.Owner.CurrentItem as ListViewDataItemGroup;
if (currentItem != null)
{
currentItem.Expanded = true;
}
else
{
ListViewDataItem listViewDataItem = this.Orientation == Orientation.Vertical ? this.GetNextItem(this.Owner.CurrentItem) : this.GetDownerItem(this.Owner.CurrentItem);
if (listViewDataItem == null)
{
return;
}
this.ProcessSelection(listViewDataItem, Control.ModifierKeys, false);
}
}
public override TypeConverter.StandardValuesCollection GetStandardValues(
ITypeDescriptorContext context)
{
if (context != null && context.Instance != null)
{
ListViewDataItem instance = context.Instance as ListViewDataItem;
if (instance != null && instance.Owner != null)
{
ArrayList arrayList = new ArrayList();
foreach (ListViewDataItemGroup group in instance.Owner.Groups)
{
arrayList.Add((object)group.Text);
}
arrayList.Add((object)null);
return(new TypeConverter.StandardValuesCollection((ICollection)arrayList));
}
}
return((TypeConverter.StandardValuesCollection)null);
}
protected override void EnsureItemVisibleVertical(ListViewDataItem item)
{
if (this.Orientation == Orientation.Vertical)
{
base.EnsureItemVisibleVertical(item);
}
else
{
if (item == null)
{
return;
}
BaseListViewVisualItem element = this.GetElement(item);
if (element == null)
{
this.UpdateLayout();
if (this.ViewElement.Children.Count <= 0)
{
return;
}
if (this.GetItemIndex(item) <= this.GetItemIndex(((BaseListViewVisualItem)this.ViewElement.Children[0]).Data))
{
this.Scroller.ScrollToItem(item, false);
}
else
{
this.EnsureItemVisibleVerticalCore(item);
}
}
else if (element.ControlBoundingRectangle.Right > this.ViewElement.ControlBoundingRectangle.Right)
{
this.SetScrollValue(this.HScrollBar, this.HScrollBar.Value + (element.ControlBoundingRectangle.Right - this.ViewElement.ControlBoundingRectangle.Right));
}
else
{
if (element.ControlBoundingRectangle.Left >= this.ViewElement.ControlBoundingRectangle.Left)
{
return;
}
this.SetScrollValue(this.HScrollBar, this.HScrollBar.Value - (this.ViewElement.ControlBoundingRectangle.Left - element.ControlBoundingRectangle.Left));
}
}
}
public virtual void UpdateHiddenItems()
{
this.itemsListView.BeginUpdate();
foreach (ListViewDataItem listViewDataItem in new List <ListViewDataItem>((IEnumerable <ListViewDataItem>) this.hiddenItemsGroup.Items))
{
this.itemsListView.Items.Remove(listViewDataItem);
}
foreach (LayoutControlItemBase hiddenItem in this.layoutControl.HiddenItems)
{
ListViewDataItem listViewDataItem = new ListViewDataItem(this.GetItemText(hiddenItem))
{
Tag = (object)hiddenItem
};
listViewDataItem.Image = this.GetItemImage(hiddenItem);
this.itemsListView.Items.Add(listViewDataItem);
listViewDataItem.Group = this.hiddenItemsGroup;
}
this.itemsListView.EndUpdate();
this.hiddenItemsGroup.Text = string.Format(this.GetString("CustomizeDialogHiddenItems"), (object)this.hiddenItemsGroup.Items.Count);
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
if ((destinationType == typeof(InstanceDescriptor)) && (value is ListViewDataItem))
{
ConstructorInfo constructor;
ListViewDataItem item = (ListViewDataItem)value;
string[] strArray = new string[item.SubItems.Count];
for (int j = 0; j < strArray.Length; j++)
{
strArray[j] = Convert.ToString(item.SubItems[j]);
}
if (item.SubItems.Count == 0)
{
constructor = typeof(ListViewDataItem).GetConstructor(new Type[] { typeof(string) });
if (constructor != null)
{
return(new InstanceDescriptor(constructor, new object[] { item.Text }, false));
}
}
constructor = typeof(ListViewDataItem).GetConstructor(new Type[] { typeof(string), typeof(string[]) });
if (constructor != null)
{
return(new InstanceDescriptor(constructor, new object[] { item.Text, strArray }, false));
}
}
if ((destinationType == typeof(string)) && (value is ListViewDataItem))
{
return(((ListViewDataItem)value).Text);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public override object this[ListViewDataItem item]
{
get
{
if (item.DataBoundItem == null)
{
return((object)null);
}
if (string.IsNullOrEmpty(this.Column.FieldName))
{
return((object)null);
}
return(this.Owner.ListSource.GetBoundValue(item.DataBoundItem, this.Column.FieldName));
}
set
{
if (item.DataBoundItem == null)
{
return;
}
this.Owner.ListSource.SetBoundValue((IDataItem)item, this.Column.FieldName, this.Column.Name, value, (string)null);
}
}
protected virtual ListViewDataItem GetDownerItem(ListViewDataItem currentItem)
{
ListViewTraverser enumerator = this.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Position = (object)currentItem;
int num1 = 0;
while (enumerator.MovePrevious() && enumerator.Current != null && !enumerator.Current.IsLastInRow)
{
num1 += this.GetItemFlowOffset(enumerator.Current);
}
if (!(currentItem is ListViewDataItemGroup) && currentItem != null)
{
num1 += this.GetItemFlowOffset(currentItem) / 2;
}
enumerator.Position = (object)currentItem;
do
{
;
}while (currentItem != null && !currentItem.IsLastInRow && (enumerator.MoveNext() && !enumerator.Current.IsLastInRow));
int num2 = 0;
while (enumerator.MoveNext())
{
if (num2 + this.GetItemFlowOffset(enumerator.Current) >= num1)
{
return(enumerator.Current);
}
num2 += this.GetItemFlowOffset(enumerator.Current);
if (enumerator.Current.IsLastInRow)
{
break;
}
}
return((ListViewDataItem)null);
}
public ListViewItemCreatingEventArgs(ListViewDataItem item)
{
this.item = item;
}
public ListViewSubDataItemCollection(ListViewDataItem owner)
{
this.owner = owner;
}
public ListViewItemEditorRequiredEventArgs(ListViewDataItem item, Type editorType)
: base(editorType)
{
this.item = item;
}
public ListViewItemChangingEventArgs(ListViewDataItem oldItem, ListViewDataItem newItem)
{
this.oldItem = oldItem;
this.newItem = newItem;
this.Cancel = false;
}
public ListViewItemValueChangingEventArgs(ListViewDataItem item, object newValue, object oldValue)
: base(newValue, oldValue)
{
this.item = item;
}
public ListViewItemValueChangedEventArgs(ListViewDataItem item)
: base(item)
{
}
public ListViewItemEditingEventArgs(ListViewDataItem item, IValueEditor editor) : base(item)
{
this.editor = editor;
}
/// <summary>
/// Initializes a new instance of the <see cref="ListViewTraversingEventArgs"/> class.
/// </summary>
/// <param name="content">The content.</param>
public ListViewTraversingEventArgs(ListViewDataItem content) : base(content)
{
this.process = true;
}
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();
}
}
