/// <summary>
/// Raises the BackstageViewOpened event.
/// </summary>
protected virtual void OnBackstageViewOpened()
{
if (this.owner != null)
{
this.owner.ApplicationButtonElement.SetValue(RadDropDownButtonElement.IsDropDownShownProperty, true);
}
if (this.SelectedItem == null || !this.Items.Contains(this.SelectedItem))
{
foreach (RadItem item in this.Items)
{
BackstageTabItem tabItem = item as BackstageTabItem;
if (tabItem != null)
{
this.SelectedItem = tabItem;
break;
}
}
}
EventHandler handler = (EventHandler)this.Events[BackstageViewOpenedEventKey];
if (handler != null)
{
handler(this, EventArgs.Empty);
}
}
protected virtual void OnBackstageViewOpened()
{
if (this.owner != null)
{
int num = (int)this.owner.ApplicationButtonElement.SetValue(RadDropDownButtonElement.IsDropDownShownProperty, (object)true);
}
if (this.SelectedItem == null || !this.Items.Contains((RadItem)this.SelectedItem))
{
foreach (RadItem radItem in (RadItemCollection)this.Items)
{
BackstageTabItem backstageTabItem = radItem as BackstageTabItem;
if (backstageTabItem != null)
{
this.SelectedItem = backstageTabItem;
break;
}
}
}
EventHandler eventHandler = (EventHandler)this.Events[RadRibbonBarBackstageView.BackstageViewOpenedEventKey];
if (eventHandler == null)
{
return;
}
eventHandler((object)this, EventArgs.Empty);
}
protected virtual void SelectItemCore(BackstageTabItem backstageTabItem)
{
if (this.OnSelectedItemChanging(backstageTabItem))
{
return;
}
BackstageTabItem selectedItem = this.selectedItem;
int count = this.Items.Count;
this.SuspendLayout(true);
for (int index = 0; index < count; ++index)
{
if (this.Items[index] != backstageTabItem)
{
BackstageTabItem backstageTabItem1 = this.Items[index] as BackstageTabItem;
if (backstageTabItem1 != null)
{
backstageTabItem1.Selected = false;
backstageTabItem1.Page.Visible = false;
}
}
}
this.selectedItem = backstageTabItem;
if (!this.ElementTree.Control.Controls.Contains((Control)this.selectedItem.Page))
{
this.ElementTree.Control.Controls.Add((Control)this.selectedItem.Page);
}
this.selectedItem.Selected = true;
this.InvalidateMeasure(true);
this.ResumeLayout(true, true);
this.OnSelectedItemChanged(this.selectedItem, selectedItem);
}
private void HandleKeyboardNavigation(int dir)
{
if (this.currentIndex == -1 || this.currentItem == null)
{
this.currentIndex = 0;
this.currentItem = (this.Items.Count > 0) ? this.Items[0] : null;
}
else
{
this.currentIndex += dir;
if (this.currentIndex < 0)
{
this.currentIndex = this.Items.Count - 1;
}
if (this.currentIndex >= this.Items.Count)
{
this.currentIndex = 0;
}
this.currentItem = (this.currentIndex >= 0 && this.currentIndex < this.Items.Count) ? this.Items[this.currentIndex] : null;
}
this.ResetIsCurrentProperties();
BackstageTabItem currentTab = this.currentItem as BackstageTabItem;
if (currentTab != null)
{
this.SelectedItem = currentTab;
}
else if (currentItem != null)
{
currentItem.SetValue(BackstageButtonItem.IsCurrentProperty, true);
}
}
protected override System.Drawing.SizeF ArrangeOverride(System.Drawing.SizeF finalSize)
{
RectangleF clientRect = GetClientRectangle(finalSize);
System.Windows.Forms.Padding border = GetBorderThickness(true);
int itemsCount = items.Count;
float currentY = clientRect.Top;
for (int i = 0; i < itemsCount; i++)
{
RadItem currentItem = items[i];
BackstageTabItem tabItem = (currentItem as BackstageTabItem);
if (tabItem != null && tabItem == this.owner.SelectedItem)
{
tabItem.Page.Visible = false;
}
currentItem.Arrange(new RectangleF(clientRect.X - border.Left, currentY,
clientRect.Width + border.Horizontal, currentItem.DesiredSize.Height));
currentY += currentItem.DesiredSize.Height;
}
return(finalSize);
}
protected virtual void OnSelectedItemChanged(BackstageTabItem newItem, BackstageTabItem oldItem)
{
if (this.SelectedItemChanged != null)
{
this.SelectedItemChanged(this, new BackstageItemChangeEventArgs(newItem, oldItem));
}
}
internal void ProcessKeyboardSelection(Keys keyCode)
{
if (this.currentItem != null &&
(keyCode == Keys.Space || keyCode == Keys.Enter))
{
this.currentItem.CallDoClick(EventArgs.Empty);
return;
}
if ((keyCode == Keys.Right && !this.RightToLeft) ||
(keyCode == Keys.Left) && this.RightToLeft)
{
BackstageTabItem tab = this.currentItem as BackstageTabItem;
if (tab != null)
{
tab.Page.Focus();
}
return;
}
int dir = GetSelectionDirection(keyCode);
if (dir == 0)
{
return;
}
this.HandleKeyboardNavigation(dir);
}
protected virtual void OnSelectedItemChanged(BackstageTabItem newItem, BackstageTabItem oldItem)
{
if (this.SelectedItemChanged == null)
{
return;
}
this.SelectedItemChanged((object)this, new BackstageItemChangeEventArgs(newItem, oldItem));
}
protected virtual bool OnSelectedItemChanging(BackstageTabItem backstageTabItem)
{
if (this.SelectedItemChanging == null)
{
return(false);
}
BackstageItemChangingEventArgs e = new BackstageItemChangingEventArgs(backstageTabItem, this.selectedItem);
this.SelectedItemChanging((object)this, e);
return(e.Cancel);
}
protected virtual bool OnSelectedItemChanging(BackstageTabItem backstageTabItem)
{
if (this.SelectedItemChanging != null)
{
BackstageItemChangingEventArgs args = new BackstageItemChangingEventArgs(backstageTabItem, this.selectedItem);
this.SelectedItemChanging(this, args);
return(args.Cancel);
}
return(false);
}
protected override SizeF ArrangeOverride(SizeF finalSize)
{
RectangleF clientRectangle = this.GetClientRectangle(finalSize);
Padding borderThickness = this.GetBorderThickness(true);
this.backButtonElement.Arrange(new RectangleF(clientRectangle.Location, this.backButtonElement.DesiredSize));
int count = this.items.Count;
float y = clientRectangle.Top + this.backButtonElement.DesiredSize.Height;
for (int index = 0; index < count; ++index)
{
RadItem radItem = this.items[index];
BackstageTabItem backstageTabItem = radItem as BackstageTabItem;
if (backstageTabItem != null && backstageTabItem == this.owner.SelectedItem)
{
backstageTabItem.Page.Visible = false;
}
radItem.Arrange(new RectangleF(clientRectangle.X - (float)borderThickness.Left, y, clientRectangle.Width + (float)borderThickness.Horizontal, radItem.DesiredSize.Height));
y += radItem.DesiredSize.Height;
}
return(finalSize);
}
private void HandleKeyboardNavigation(int dir)
{
if (this.currentIndex == -1 || this.currentItem == null)
{
this.currentIndex = 0;
this.currentItem = this.Items.Count > 0 ? this.Items[0] : (RadItem)null;
}
else
{
this.currentIndex += dir;
if (this.currentIndex < 0)
{
this.currentIndex = this.Items.Count - 1;
}
if (this.currentIndex >= this.Items.Count)
{
this.currentIndex = 0;
}
this.currentItem = this.currentIndex < 0 || this.currentIndex >= this.Items.Count ? (RadItem)null : this.Items[this.currentIndex];
}
this.ResetIsCurrentProperties();
BackstageTabItem currentItem = this.currentItem as BackstageTabItem;
if (currentItem != null)
{
this.SelectedItem = currentItem;
}
else
{
if (this.currentItem == null)
{
return;
}
int num = (int)this.currentItem.SetValue(BackstageButtonItem.IsCurrentProperty, (object)true);
}
}
protected virtual void SelectItemCore(BackstageTabItem backstageTabItem)
{
if (this.OnSelectedItemChanging(backstageTabItem))
{
return;
}
BackstageTabItem oldItem = this.selectedItem;
int itemsCount = this.Items.Count;
for (int i = 0; i < itemsCount; i++)
{
if (this.Items[i] != backstageTabItem)
{
BackstageTabItem tabItem = (this.Items[i] as BackstageTabItem);
if (tabItem != null)
{
tabItem.Selected = false;
tabItem.Page.Visible = false;
}
}
}
this.selectedItem = backstageTabItem;
if (!this.ElementTree.Control.Controls.Contains(this.selectedItem.Page))
{
this.ElementTree.Control.Controls.Add(this.selectedItem.Page);
}
this.selectedItem.Selected = true;
this.InvalidateMeasure(true);
this.OnSelectedItemChanged(this.selectedItem, oldItem);
}
public BackstageItemChangingEventArgs(BackstageTabItem newItem, BackstageTabItem oldItem)
: base(newItem, oldItem)
{
}
public BackstageItemChangeEventArgs(BackstageTabItem newItem, BackstageTabItem oldItem)
{
this.newItem = newItem;
this.oldItem = oldItem;
}
