public override AccessibleObject GetChild(int index)
{
RadApplicationMenuButtonElement owner = this.Owner as RadApplicationMenuButtonElement;
RadApplicationMenuDropDown dropDown = owner.DropDownMenu as RadApplicationMenuDropDown;
int count = base.GetChildCount();
if (index < count)
{
return(base.GetChild(index));
}
index -= count;
count = dropDown.RightColumnItems.Count;
if (index < count)
{
RadMenuItemBase menuItemBase = dropDown.RightColumnItems[index] as RadMenuItemBase;
return(menuItemBase.AccessibleObject);
}
index -= count;
RadMenuItemBase button = dropDown.ButtonItems[index] as RadMenuItemBase;
return(button.AccessibleObject);
}
public override int GetChildCount()
{
RadApplicationMenuButtonElement owner = this.Owner as RadApplicationMenuButtonElement;
RadApplicationMenuDropDown dropDown = owner.DropDownMenu as RadApplicationMenuDropDown;
return(base.GetChildCount() + dropDown.RightColumnItems.Count + dropDown.ButtonItems.Count);
}
protected override RadDropDownButtonPopup CreateDropDown()
{
RadApplicationMenuDropDown applicationMenuDropDown = new RadApplicationMenuDropDown(this);
applicationMenuDropDown.RightToLeft = this.RightToLeft ? RightToLeft.Yes : RightToLeft.No;
applicationMenuDropDown.ThemeClassName = typeof(RadApplicationMenuButtonElement).Namespace + ".RadApplicationMenuDropDown";
applicationMenuDropDown.Items.ItemsChanged += new ItemChangedDelegate(this.OnItemsChanged);
return((RadDropDownButtonPopup)applicationMenuDropDown);
}
protected override RadDropDownButtonPopup CreateDropDown()
{
RadApplicationMenuDropDown menu = new RadApplicationMenuDropDown(this);
menu.RightToLeft = (this.RightToLeft) ? System.Windows.Forms.RightToLeft.Yes : System.Windows.Forms.RightToLeft.No;
menu.ThemeClassName = typeof(RadApplicationMenuButtonElement).Namespace + ".RadApplicationMenuDropDown";
menu.Items.ItemsChanged += new ItemChangedDelegate(OnItemsChanged);
return(menu);
}
protected override void ShowCore(Point point, int ownerOffset, RadDirection popupDirection)
{
RadApplicationMenuDropDown dropDown = (RadApplicationMenuDropDown)this.ElementTree.Control;
RadApplicationMenuDropDownElement menuElement = dropDown.PopupElement as RadApplicationMenuDropDownElement;
if (menuElement != null && !this.IsDesignMode)
{
Size size = menuElement.TopRightContentElement.Layout.Size;
size.Width -= 3;
size.Height -= 3;
this.PopupElement.MinSize = size;
this.PopupElement.SetValue(RadDropDownMenuElement.DropDownPositionProperty, DropDownPosition.RightPopupContent);
}
base.ShowCore(point, ownerOffset, popupDirection);
}
protected override SizeF MeasureOverride(SizeF availableSize)
{
if (this.ElementTree == null)
{
return(base.MeasureOverride(availableSize));
}
RadDropDownMenu menu = this.ElementTree.Control as RadDropDownMenu;
RadApplicationMenuDropDown appMenu = null;
if (menu != null && menu.OwnerElement != null && menu.OwnerElement.IsInValidState(true))
{
appMenu = menu.OwnerElement.ElementTree.Control as RadApplicationMenuDropDown;
}
if (appMenu != null)
{
availableSize.Width = appMenu.RightColumnWidth - 5;
}
foreach (RadElement element in this.Children)
{
RadMenuItem menuItem = element as RadMenuItem;
if (menuItem != null)
{
menuItem.Measure(availableSize);
leftColumnWidth = Math.Max(leftColumnWidth, menuItem.LeftColumnElement.DesiredSize.Width);
rightColumnWidth = Math.Max(rightColumnWidth, menuItem.RightColumnElement.DesiredSize.Width);
leftColumnMaxPadding = Math.Max(leftColumnMaxPadding, menuItem.Padding.Left + menuItem.BorderThickness.Left + menuItem.Margin.Left);
}
}
leftColumnWidth = Math.Max(leftColumnWidth, LeftColumnMinWidth);
SizeF preferredSize = base.MeasureOverride(availableSize);
preferredSize.Width += leftColumnWidth;
preferredSize.Width += this.Padding.Horizontal;
preferredSize.Height += this.Padding.Vertical;
if (appMenu != null)
{
preferredSize.Width = appMenu.RightColumnWidth - 5;
}
return(preferredSize);
}
public override AccessibleObject GetChild(int index)
{
RadApplicationMenuDropDown dropDownMenu = (this.OwnerElement as RadApplicationMenuButtonElement).DropDownMenu as RadApplicationMenuDropDown;
int childCount = base.GetChildCount();
if (index < childCount)
{
return(base.GetChild(index));
}
index -= childCount;
int count = dropDownMenu.RightColumnItems.Count;
if (index < count)
{
return((AccessibleObject)(dropDownMenu.RightColumnItems[index] as RadMenuItemBase).AccessibleObject);
}
index -= count;
return((AccessibleObject)(dropDownMenu.ButtonItems[index] as RadMenuItemBase).AccessibleObject);
}
protected override SizeF MeasureOverride(SizeF availableSize)
{
if (this.ElementTree == null)
{
return(base.MeasureOverride(availableSize));
}
RadDropDownMenu control = this.ElementTree.Control as RadDropDownMenu;
RadApplicationMenuDropDown applicationMenuDropDown = (RadApplicationMenuDropDown)null;
if (control != null && control.OwnerElement != null && control.OwnerElement.IsInValidState(true))
{
applicationMenuDropDown = control.OwnerElement.ElementTree.Control as RadApplicationMenuDropDown;
}
if (applicationMenuDropDown != null)
{
availableSize.Width = (float)(applicationMenuDropDown.RightColumnWidth - 5);
}
foreach (RadElement child in this.Children)
{
RadMenuItem radMenuItem = child as RadMenuItem;
if (radMenuItem != null)
{
radMenuItem.Measure(availableSize);
this.leftColumnWidth = Math.Max(this.leftColumnWidth, radMenuItem.LeftColumnElement.DesiredSize.Width);
this.rightColumnWidth = Math.Max(this.rightColumnWidth, radMenuItem.RightColumnElement.DesiredSize.Width);
this.leftColumnMaxPadding = Math.Max(this.leftColumnMaxPadding, (float)(radMenuItem.Padding.Left + radMenuItem.BorderThickness.Left + radMenuItem.Margin.Left));
}
}
this.leftColumnWidth = Math.Max(this.leftColumnWidth, (float)this.LeftColumnMinWidth);
SizeF sizeF = base.MeasureOverride(availableSize);
sizeF.Width += (float)this.RightColumnPadding;
sizeF.Width += (float)this.Padding.Horizontal;
sizeF.Height += (float)this.Padding.Vertical;
if (applicationMenuDropDown != null)
{
sizeF.Width = (float)(applicationMenuDropDown.RightColumnWidth - 5);
}
return(sizeF);
}
