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NaBian committed 2019-11-17 13:32:14 +08:00
1 parent 334b2269b6
commit 4e14400307
9 files changed
+225 -89
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src/Shared/HandyControl_Shared/Controls/TabControl/TabControl.cs
+80 -31
View File
@@ -32,7 +32,7 @@ namespace HandyControl.Controls
private ContextMenuToggleButton _buttonOverflow;
private TabPanel _headerPanel;
internal TabPanel HeaderPanel { get; private set; }
private ScrollViewer _scrollViewerOverflow;
@@ -218,7 +218,7 @@ namespace HandyControl.Controls
{
base.OnItemsChanged(e);
if (_headerPanel == null)
if (HeaderPanel == null)
{
IsInternalAction = false;
return;
@@ -235,21 +235,23 @@ namespace HandyControl.Controls
IsInternalAction = false;
return;
}
if (IsEnableAnimation)
{
_headerPanel.SetCurrentValue(TabPanel.FluidMoveDurationProperty, new Duration(TimeSpan.FromMilliseconds(200)));
HeaderPanel.SetCurrentValue(TabPanel.FluidMoveDurationProperty, new Duration(TimeSpan.FromMilliseconds(200)));
}
else
{
_headerPanel.FluidMoveDuration = new Duration(TimeSpan.FromSeconds(0));
HeaderPanel.FluidMoveDuration = new Duration(TimeSpan.FromSeconds(0));
}
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (TabItem item in e.NewItems)
for (var i = 0; i < Items.Count; i++)
{
if (!(ItemContainerGenerator.ContainerFromIndex(i) is TabItem item)) return;
item.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
item.IsSelected = true;
item.TabPanel = _headerPanel;
item.TabPanel = HeaderPanel;
}
}
@@ -275,7 +277,7 @@ namespace HandyControl.Controls
if (_buttonScrollRight != null) _buttonScrollRight.Click -= ButtonScrollRight_Click;
base.OnApplyTemplate();
_headerPanel = GetTemplateChild(HeaderPanelKey) as TabPanel;
HeaderPanel = GetTemplateChild(HeaderPanelKey) as TabPanel;
if (IsEnableTabFill) return;
@@ -290,7 +292,13 @@ namespace HandyControl.Controls
if (_buttonOverflow != null)
{
_itemShowCount = (int)(ActualWidth / TabItemWidth);
if (ItemsSource != null)
{
Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
}
var size = DesiredSize;
_itemShowCount = (int)(size.Width / TabItemWidth);
_buttonOverflow.Show(ShowOverflowButton && Items.Count > 0 && Items.Count >= _itemShowCount);
var menu = new ContextMenu
@@ -319,35 +327,50 @@ namespace HandyControl.Controls
if (_buttonOverflow.IsChecked == true)
{
_buttonOverflow.Menu.Items.Clear();
foreach (TabItem item in Items)
for (var i = 0; i < Items.Count; i++)
{
if(!(ItemContainerGenerator.ContainerFromIndex(i) is TabItem item)) continue;
var menuItem = new MenuItem
{
HeaderStringFormat = ItemStringFormat,
HeaderTemplate = ItemTemplate,
HeaderTemplateSelector = ItemTemplateSelector,
Header = item.Header,
Width = TabItemWidth,
IsChecked = item.IsSelected,
IsCheckable = true
};
menuItem.Click += delegate
{
_buttonOverflow.IsChecked = false;
var index = Items.IndexOf(item);
var list = GetActuaList();
if (list == null) return;
var actualItem = ItemContainerGenerator.ItemFromContainer(item);
if (actualItem == null) return;
var index = list.IndexOf(actualItem);
if (index >= _itemShowCount)
{
Items.Remove(item);
Items.Insert(0, item);
list.Remove(actualItem);
list.Insert(0, actualItem);
if (IsEnableAnimation)
{
_headerPanel.SetCurrentValue(TabPanel.FluidMoveDurationProperty, new Duration(TimeSpan.FromMilliseconds(200)));
HeaderPanel.SetCurrentValue(TabPanel.FluidMoveDurationProperty, new Duration(TimeSpan.FromMilliseconds(200)));
}
else
{
_headerPanel.FluidMoveDuration = new Duration(TimeSpan.FromSeconds(0));
HeaderPanel.FluidMoveDuration = new Duration(TimeSpan.FromSeconds(0));
}
_headerPanel.ForceUpdate = true;
_headerPanel.Measure(new Size(_headerPanel.DesiredSize.Width, ActualHeight));
_headerPanel.ForceUpdate = false;
HeaderPanel.ForceUpdate = true;
HeaderPanel.Measure(new Size(HeaderPanel.DesiredSize.Width, ActualHeight));
HeaderPanel.ForceUpdate = false;
SetCurrentValue(SelectedIndexProperty, 0);
}
item.IsSelected = true;
};
_buttonOverflow.Menu.Items.Add(menuItem);
@@ -366,26 +389,52 @@ namespace HandyControl.Controls
internal void CloseOtherItems(TabItem currentItem)
{
var actualItem = currentItem != null ? ItemContainerGenerator.ItemFromContainer(currentItem) : null;
var list = GetActuaList();
if (list == null) return;
IsInternalAction = true;
var enumerator = ((IEnumerable)Items).GetEnumerator();
while (enumerator.MoveNext())
for (var i = 0; i < Items.Count; i++)
{
var item = enumerator.Current;
if (!Equals(item, currentItem) && item != null)
var item = list[i];
if (!Equals(item, actualItem) && item != null)
{
var argsClosing = new CancelRoutedEventArgs(TabItem.ClosingEvent, item);
var elment = item as UIElement;
if (elment != null)
{
elment.RaiseEvent(argsClosing);
if (argsClosing.Cancel) return;
}
elment?.RaiseEvent(new RoutedEventArgs(TabItem.ClosedEvent, item));
Items.Remove(item);
enumerator = ((IEnumerable)Items).GetEnumerator();
if (!(ItemContainerGenerator.ContainerFromItem(item) is TabItem tabItem)) continue;
tabItem.RaiseEvent(argsClosing);
if (argsClosing.Cancel) return;
tabItem.RaiseEvent(new RoutedEventArgs(TabItem.ClosedEvent, item));
list.Remove(item);
i--;
}
}
SetCurrentValue(SelectedIndexProperty, Items.Count == 0 ? -1 : 0);
}
internal IList GetActuaList()
{
IList list;
if (ItemsSource != null)
{
list = ItemsSource as IList;
}
else
{
list = Items;
}
return list;
}
protected override bool IsItemItsOwnContainerOverride(object item) => item is TabItem;
protected override DependencyObject GetContainerForItemOverride() => new TabItem();
}
}