/// <summary>
/// Raises the <see cref="E:CommandBarStripElement.ItemsChanged"/> event.
/// </summary>
/// <param name="changed">The collection that is changed.</param>
/// <param name="target">The targeted element of the collection.</param>
/// <param name="operation">The type of the operation.</param>
protected virtual void OnItemsChanged(RadCommandBarBaseItemCollection changed, RadCommandBarBaseItem target, ItemsChangeOperation operation)
{
if (this.ItemsChanged != null)
{
this.ItemsChanged(changed, target, operation);
}
}
protected override void CreateChildElements()
{
base.CreateChildElements();
this.MinSize = new Size(30, 30);
this.DrawBorder = true;
this.Text = "";
this.SetDefaultValueOverride(LightVisualElement.StretchHorizontallyProperty, false);
this.SetDefaultValueOverride(LightVisualElement.StretchVerticallyProperty, true);
this.items = new RadCommandBarBaseItemCollection();
this.grip = new RadCommandBarGrip(this);
this.overflowButton = new RadCommandBarOverflowButton(this);
this.itemsLayout = new RadCommandBarItemsPanel(this.items, this.overflowButton.ItemsLayout);
this.items.Owner = this.itemsLayout;
this.items.ItemTypes = new Type[] {
typeof(CommandBarButton),
typeof(CommandBarDropDownButton),
typeof(CommandBarDropDownList),
typeof(CommandBarHostItem),
typeof(CommandBarSeparator),
typeof(CommandBarLabel),
typeof(CommandBarTextBox),
typeof(CommandBarToggleButton),
typeof(CommandBarSplitButton)
};
this.Children.Add(this.grip);
this.Children.Add(this.itemsLayout);
this.Children.Add(this.overflowButton);
this.WireEvents();
this.localMinSize = this.MinSize;
}
public RadCommandBarItemsPanel(
RadCommandBarBaseItemCollection itemsCollection,
LayoutPanel overflowPannel)
{
this.items = itemsCollection;
this.overflowPanel = overflowPannel;
}
protected override SizeF ArrangeOverride(SizeF arrangeSize)
{
RadCommandBarBaseItemCollection children = this.items;
int count = children.Count;
// Get desired children size if EqualChildrenHeight or EqualChildrenWidth is used
// ********************************************************* //
SizeF maxDesiredChildrenSize = SizeF.Empty;
bool equalChildrenHeight = false; // this.EqualChildrenHeight;
bool equalChildrenWidth = false; // this.EqualChildrenWidth;
if (equalChildrenHeight || equalChildrenWidth)
{
for (int i = 0; i < count; i++)
{
RadElement element = children[i];
if (equalChildrenHeight)
{
maxDesiredChildrenSize.Height = Math.Max(element.DesiredSize.Height, maxDesiredChildrenSize.Height);
}
if (equalChildrenWidth)
{
maxDesiredChildrenSize.Width = Math.Max(element.DesiredSize.Width, maxDesiredChildrenSize.Width);
}
}
}
// Parameters
// ********************************************************* //
bool isHorizontal = this.Orientation == Orientation.Horizontal;
bool isRightToLeft = this.RightToLeft;
float length = 0;
RectangleF finalRect = new RectangleF(PointF.Empty, arrangeSize);
if (isHorizontal && isRightToLeft)
{
finalRect.X = arrangeSize.Width;
}
float stretchedItemArrangedSpace = ArrangeStretchedItems(arrangeSize);
// Main loop that does the actual arrangement of the children
// ********************************************************* //
for (int i = 0; i < count; i++)
{
RadElement element = children[i];
SizeF childArea = element.DesiredSize;
if (element.Visibility == ElementVisibility.Collapsed)
{
element.Arrange(new RectangleF(PointF.Empty, childArea));
continue;
}
// ** 1. Calculate the ChildArea
if (equalChildrenHeight)
{
if (isHorizontal)
{
childArea.Height = Math.Max(arrangeSize.Height, maxDesiredChildrenSize.Height);
}
else
{
childArea.Height = maxDesiredChildrenSize.Height;
}
}
if (equalChildrenWidth)
{
if (isHorizontal)
{
childArea.Width = maxDesiredChildrenSize.Width;
}
else
{
childArea.Width = Math.Max(arrangeSize.Width, maxDesiredChildrenSize.Width);
}
}
if (element.StretchHorizontally && isHorizontal && !float.IsInfinity(stretchedItemArrangedSpace))
{
childArea.Width = stretchedItemArrangedSpace;
}
if (element.StretchVertically && !isHorizontal && !float.IsInfinity(stretchedItemArrangedSpace))
{
childArea.Height = stretchedItemArrangedSpace;
}
// ** 2. Calculate the location and size (finalRect) that will be passed to the child's Arrange
if (isHorizontal)
{
if (isRightToLeft)
{
length = childArea.Width;
finalRect.X -= length;
}
else
{
finalRect.X += length;
length = childArea.Width;
}
finalRect.Width = length;
if (equalChildrenHeight)
{
SizeF arrangeArea = finalRect.Size;
finalRect.Height = childArea.Height;
// Compensate the alignment for EqualChildrenHeight because the basic logic will be bypassed
// by the size forcing
// Note that the vertical alignment is not affected by RightToLeft...
RectangleF alignedRect = LayoutUtils.Align(finalRect.Size, new RectangleF(PointF.Empty, arrangeArea), this.Alignment);
finalRect.Y += alignedRect.Y;
}
else
{
finalRect.Height = arrangeSize.Height;// Math.Max(arrangeSize.Height, childArea.Height);
}
}
else
{
finalRect.Y += length;
length = childArea.Height;
finalRect.Height = length;
if (equalChildrenWidth)
{
SizeF arrangeArea = finalRect.Size;
finalRect.Width = childArea.Width;
// Compensate the alignment for EqualChildrenHeight because the basic logic will be bypassed
// by the size forcing
// Note that the horizontal alignment is translated if RightToLeft is true.
ContentAlignment alignment = isRightToLeft ? TelerikAlignHelper.RtlTranslateContent(this.Alignment) : this.Alignment;
RectangleF alignedRect = LayoutUtils.Align(finalRect.Size, new RectangleF(PointF.Empty, arrangeArea), alignment);
finalRect.X += alignedRect.X;
}
else
{
finalRect.Width = arrangeSize.Width;// Math.Max(arrangeSize.Width, childArea.Width);
}
}
// ** 3. Arrange the child
if (element.StretchVertically && isHorizontal)
{
finalRect.Height = arrangeSize.Height;
}
else if (element.StretchHorizontally && !isHorizontal)
{
finalRect.Width = arrangeSize.Width;
}
element.Arrange(finalRect);
}
return(arrangeSize);
}
protected override SizeF ArrangeOverride(SizeF arrangeSize)
{
RadCommandBarBaseItemCollection items = this.items;
int count = items.Count;
SizeF empty = SizeF.Empty;
bool flag1 = false;
bool flag2 = false;
if (flag1 || flag2)
{
for (int index = 0; index < count; ++index)
{
RadElement radElement = (RadElement)items[index];
if (flag1)
{
empty.Height = Math.Max(radElement.DesiredSize.Height, empty.Height);
}
if (flag2)
{
empty.Width = Math.Max(radElement.DesiredSize.Width, empty.Width);
}
}
}
bool flag3 = this.Orientation == Orientation.Horizontal;
bool rightToLeft = this.RightToLeft;
float num = 0.0f;
RectangleF finalRect = new RectangleF(PointF.Empty, arrangeSize);
if (flag3 && rightToLeft)
{
finalRect.X = arrangeSize.Width;
}
float f = this.ArrangeStretchedItems(arrangeSize);
for (int index = 0; index < count; ++index)
{
RadElement radElement = (RadElement)items[index];
SizeF desiredSize = radElement.DesiredSize;
if (radElement.Visibility == ElementVisibility.Collapsed)
{
radElement.Arrange(new RectangleF(PointF.Empty, desiredSize));
}
else
{
if (flag1)
{
desiredSize.Height = !flag3 ? empty.Height : Math.Max(arrangeSize.Height, empty.Height);
}
if (flag2)
{
desiredSize.Width = !flag3?Math.Max(arrangeSize.Width, empty.Width) : empty.Width;
}
if (radElement.StretchHorizontally && flag3 && !float.IsInfinity(f))
{
desiredSize.Width = f;
}
if (radElement.StretchVertically && !flag3 && !float.IsInfinity(f))
{
desiredSize.Height = f;
}
if (flag3)
{
if (rightToLeft)
{
num = desiredSize.Width;
finalRect.X -= num;
}
else
{
finalRect.X += num;
num = desiredSize.Width;
}
finalRect.Width = num;
if (flag1)
{
SizeF size = finalRect.Size;
finalRect.Height = desiredSize.Height;
RectangleF rectangleF = LayoutUtils.Align(finalRect.Size, new RectangleF(PointF.Empty, size), this.Alignment);
finalRect.Y += rectangleF.Y;
}
else
{
finalRect.Height = arrangeSize.Height;
}
}
else
{
finalRect.Y += num;
num = desiredSize.Height;
finalRect.Height = num;
if (flag2)
{
SizeF size = finalRect.Size;
finalRect.Width = desiredSize.Width;
ContentAlignment align = rightToLeft ? TelerikAlignHelper.RtlTranslateContent(this.Alignment) : this.Alignment;
RectangleF rectangleF = LayoutUtils.Align(finalRect.Size, new RectangleF(PointF.Empty, size), align);
finalRect.X += rectangleF.X;
}
else
{
finalRect.Width = arrangeSize.Width;
}
}
if (radElement.StretchVertically && flag3)
{
finalRect.Height = arrangeSize.Height;
}
else if (radElement.StretchHorizontally && !flag3)
{
finalRect.Width = arrangeSize.Width;
}
radElement.Arrange(finalRect);
}
}
return(arrangeSize);
}
