/// <summary>
/// Sets the item as selected
/// </summary>
/// <param name="itemIndex"></param>
/// <param name="checkedValue"></param>
public void SetItemSelected(int itemIndex, bool checkedValue)
{
if (checkedValue)
{
SelectedIndices.Add(Items[itemIndex]);
}
else
{
SelectedIndices.Remove(itemIndex);
}
}
internal void SelectItems(int highItem)
{
if (HighestItemSelected <= highItem)
{
for (int i = HighestItemSelected; i <= highItem; ++i)
{
SelectedIndices.Add(i);
}
}
else
{
for (int i = HighestItemSelected; i > highItem; --i)
{
SelectedIndices.Remove(i);
}
}
HighestItemSelected = highItem;
}
public new void SetSelected(int index, bool value)
{
int num = (this.Items == null) ? 0 : this.Items.Count;
if ((index < 0) || (index >= num))
{
throw new ArgumentOutOfRangeException("index");
}
if (this.SelectionMode == SelectionMode.None)
{
throw new InvalidOperationException("ListBoxInvalidSelectionMode");
}
if (!disabledIndices.Contains(index))
{
if (!value)
{
if (SelectedIndices.Contains(index))
{
SelectedIndices.Remove(index);
}
}
else
{
base.SetSelected(index, value);
}
}
// Selected index deoes not change, however we should redraw the disabled item.
else
{
if (!value)
{
// Remove selected item if it is in the list of selected indices.
if (SelectedIndices.Contains(index))
{
SelectedIndices.Remove(index);
}
}
}
Invalidate(GetItemRectangle(index));
}
protected override void OnVirtualItemsSelectionRangeChanged(
ListViewVirtualItemsSelectionRangeChangedEventArgs e)
{
try
{
int start = _lastItemIndexClicked1;
int end = _lastItemIndexClicked2;
if (end < start)
{
int temp = start;
start = end;
end = temp;
}
if ((start >= 0) && (end >= 0))
{
ArrayList toRemove = new ArrayList();
foreach (int index in SelectedIndices)
{
if ((index < start) || (index > end))
{
toRemove.Add(index);
}
}
if (toRemove.Count > 0)
{
foreach (int index in toRemove)
{
SelectedIndices.Remove(index);
}
}
}
ListViewVirtualItemsSelectionRangeChangedEventArgs te =
new ListViewVirtualItemsSelectionRangeChangedEventArgs(start,
end, e.IsSelected);
base.OnVirtualItemsSelectionRangeChanged(te);
}
catch
{
}
}
protected override void OnSelectedIndexChanged(EventArgs e)
{
int currentSelectedIndex = SelectedIndex;
List <int> selectedDisabledIndices = new List <int>();
for (int i = 0; i < SelectedIndices.Count; i++)
{
if (disabledIndices.Contains(SelectedIndices[i]))
{
selectedDisabledIndices.Add(SelectedIndices[i]);
SelectedIndices.Remove(SelectedIndices[i]);
}
}
foreach (int index in selectedDisabledIndices)
{
IndexEventArgs args = new IndexEventArgs(index);
OnDisabledItemSelected(this, args);
}
if (currentSelectedIndex == SelectedIndex)
{
base.OnSelectedIndexChanged(e);
}
}
/*
* public ObjectCollection Items
* {
* get{return _dataSource.dataArray;}
* set{_dataSource.dataArray = value;}
* }
*/
public void SetSelected(int index, bool value)
{
if (index < 0 || index >= Items.Count)
{
throw new ArgumentOutOfRangeException("Index of out range");
}
if (SelectionMode == SelectionMode.None)
{
throw new InvalidOperationException();
}
if (value)
{
SelectedIndices.Add(index);
tableView.SelectRows(new NSIndexSet((uint)index), true);
}
else
{
SelectedIndices.Remove(index);
tableView.DeselectRow(index);
}
}
private void OnSelectedIndices_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add && ChangeSource != ChangeSourceEnum.FromSelectedItems)
{
var index = (int)e.NewItems[0];
if (index >= Items.Count || index < 0)
{
if (SelectedIndices.IndexOf(index) != -1)
{
ChangeSource = ChangeSourceEnum.FromSelectedItems;
SelectedIndices.Remove(index);
ChangeSource = ChangeSourceEnum.None;
}
return;
}
if (SelectedIndices.Where(x => x == index).Count() > 1)
{
ChangeSource = ChangeSourceEnum.FromSelectedItems;
SelectedItems.Remove(index);
ChangeSource = ChangeSourceEnum.None;
return;
}
((MultiSelectItem)itemContainers[index]).IsSelected = true;
contentPresenter.Children.Add(GeneratePanelItem(Items[index]));
ChangeSource = ChangeSourceEnum.FromSelectedIndices;
SelectedItems.Add(Items[index]);
if (!(SelectedItems is INotifyCollectionChanged))
{
OnSelectedItems_CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, Items[index]));
}
RaiseEvent(new System.Windows.Controls.SelectionChangedEventArgs(SelectionChangedEvent, new object[0], new object[1] {
Items[index]
}));
}
else if (e.Action == NotifyCollectionChangedAction.Remove && ChangeSource != ChangeSourceEnum.FromSelectedItems)
{
int index = (int)e.OldItems[0];
if (index >= Items.Count || index < 0)
{
return;
}
((MultiSelectItem)itemContainers[index]).IsSelected = false;
contentPresenter.Children.RemoveAt(e.OldStartingIndex);
ChangeSource = ChangeSourceEnum.FromSelectedIndices;
var item = SelectedItems[index];
var indexSelectedItems = SelectedItems.IndexOf(item);
SelectedItems.Remove(item);
if (!(SelectedItems is INotifyCollectionChanged))
{
OnSelectedItems_CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, item, indexSelectedItems));
}
RaiseEvent(new System.Windows.Controls.SelectionChangedEventArgs(SelectionChangedEvent, new object[1] {
Items[index]
}, new object[0]));
}
else if (e.Action == NotifyCollectionChangedAction.Reset && ChangeSource != ChangeSourceEnum.FromSelectedItems)
{
foreach (var item in itemContainers)
{
((MultiSelectItem)item).IsSelected = false;
}
contentPresenter.Children.Clear();
ChangeSource = ChangeSourceEnum.FromSelectedIndices;
SelectedItems.Clear();
if (!(SelectedItems is INotifyCollectionChanged))
{
OnSelectedItems_CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
RaiseEvent(new System.Windows.Controls.SelectionChangedEventArgs(SelectionChangedEvent, new object[0], new object[0]));
}
ChangeSource = ChangeSourceEnum.None;
}
/// <summary>
/// Update the control. The base method causes the control to become active and consumes the left-click if clicked.
/// </summary>
public override void Update()
{
if (Root.WasMouseLeftClick)
{
if (Root.IsMouseOver(Rectangle))
{
Root.ConsumeLeftClick();
if (mouseOverIndex != -1)
{
if (Multiselect)
{
if (SelectedIndices.Contains(mouseOverIndex))
{
SelectedIndices.Remove(mouseOverIndex);
}
else
{
SelectedIndices.Add(mouseOverIndex);
}
}
if (mouseOverIndex == SelectedIndex)
{
OnItemConfirmed(this, SelectedItem);
}
else
{
SelectedIndex = mouseOverIndex;
}
}
else
{
SelectedIndex = -1;
}
this.Activate();
}
}
if (Root.WasKeyPressed(Keys.Down) && this.IsActive)
{
if (SelectedIndex < Items.Count - 1)
{
SelectedIndex++;
}
}
if (Root.WasKeyPressed(Keys.Up) && this.IsActive)
{
if (SelectedIndex > 0)
{
SelectedIndex--;
}
}
if (Root.WasKeyPressed(Keys.Home))
{
if (Items.Count > 0)
{
SelectedIndex = 0;
}
}
if (Root.WasKeyPressed(Keys.End))
{
SelectedIndex = Items.Count - 1;
}
if (Root.WasKeyPressed(Keys.Enter))
{
if (SelectedIndex != -1)
{
OnItemConfirmed(this, SelectedItem);
}
if (Multiselect)
{
if (SelectedIndices.Contains(SelectedIndex))
{
SelectedIndices.Remove(SelectedIndex);
}
else
{
SelectedIndices.Add(SelectedIndex);
}
}
}
base.Update();
}
