private void CollapseChunkToDropDown()
{
this.ExpandElementToStep((int)ChunkVisibilityState.Expanded);
ExpandableStackLayout.InvalidateAll(this);
SizeF thisSize = this.DesiredSize;
this.elementWithCaptionLayoutPanel.SuspendThemeRefresh();
this.Children.Remove(this.elementWithCaptionLayoutPanel);
this.elementWithCaptionLayoutPanel.ResumeThemeRefresh();
RadItem item = new RadItem();
item.UseNewLayoutSystem = true;
item.AutoSizeMode = RadAutoSizeMode.WrapAroundChildren;
item.Children.Add(this.elementWithCaptionLayoutPanel);
item.MaxSize = new Size(0, thisSize.ToSize().Height);
item.MinSize = thisSize.ToSize();
RadDropDownMenu menu = this.dropDownElement.DropDownMenu;
//remove left column from Menu
RadDropDownMenuElement menuPopup = (RadDropDownMenuElement)menu.PopupElement;
StackLayoutPanel menuStack = menuPopup.LayoutPanel as StackLayoutPanel;
Debug.Assert(menuStack != null, "Chunk menu stack is null");
menuStack.Orientation = this.Orientation;
menuPopup.Layout.LeftColumnMinWidth = 0;
this.dropDownElement.Items.Add(item);
//fix for Missing theme if chunk is not expanded
this.dropDownElement.Visibility = ElementVisibility.Visible;
this.CollapseStep = (int)ChunkVisibilityState.Collapsed;
menu.SetTheme();
menu.MouseUp += new MouseEventHandler(this.menu_MouseUp);
}
private void SetItems()
{
if (this.parentCollection == null || this.parentCollection.Owner == null)
{
if (this.tabContentLayout == null || this.tabContentLayout.Parent == null)
{
return;
}
this.tabContentLayout.Parent.Children.Remove((RadElement)this.tabContentLayout);
}
else
{
RadElement contentArea = (RadElement)((RadRibbonBar)this.parentCollection.Owner.ElementTree.Control).RibbonBarElement.TabStripElement.ContentArea;
if (this.tabContentLayout == null)
{
this.tabContentLayout = new ExpandableStackLayout();
this.Items.Owner = (RadElement)this.tabContentLayout;
}
this.tabContentLayout.CollapseElementsOnResize = true;
this.tabContentLayout.UseParentSizeAsAvailableSize = true;
this.tabContentLayout.IsInStripMode = true;
this.tabContentLayout.Visibility = ElementVisibility.Collapsed;
if (contentArea.Children.Contains((RadElement)this.tabContentLayout))
{
return;
}
contentArea.Children.Add((RadElement)this.tabContentLayout);
}
}
public static void InvalidateAll(RadElement baseElement)
{
baseElement.InvalidateMeasure();
baseElement.InvalidateArrange();
foreach (RadElement child in baseElement.Children)
{
ExpandableStackLayout.InvalidateAll(child);
}
}
protected override SizeF MeasureOverride(SizeF constraint)
{
if (!this.CollapsingEnabled || this.IsDesignMode || constraint == SizeF.Empty)
{
return(base.MeasureOverride(constraint));
}
ExpandableStackLayout.InvalidateAll((RadElement)this);
SizeF allElementsSize = this.GetAllElementsSize(constraint);
int count = this.Children.Count;
if ((double)allElementsSize.Width >= (double)constraint.Width)
{
do
{
int possibleCollapseStep;
CollapsibleElement elementToCollapse;
do
{
possibleCollapseStep = -1;
elementToCollapse = this.GetElementToCollapse(out possibleCollapseStep);
if (elementToCollapse != null)
{
elementToCollapse.InvalidateMeasure();
elementToCollapse.Measure(constraint);
SizeF desiredSize = elementToCollapse.DesiredSize;
elementToCollapse.SizeBeforeCollapsing = desiredSize;
}
else
{
goto label_11;
}
}while (!elementToCollapse.CollapseElementToStep(possibleCollapseStep));
ExpandableStackLayout.InvalidateAll((RadElement)elementToCollapse);
elementToCollapse.Measure(constraint);
SizeF desiredSize1 = elementToCollapse.DesiredSize;
elementToCollapse.SizeAfterCollapsing = desiredSize1;
++this.collapsedElementCount;
}while ((double)this.GetAllElementsSize(constraint).Width > (double)constraint.Width);
}
else
{
for (int index = 0; index < count; ++index)
{
int possibleExpandStep = -1;
CollapsibleElement elementToExpand = this.GetElementToExpand(allElementsSize.Width, constraint.Width, out possibleExpandStep);
if (elementToExpand != null && ((double)allElementsSize.Width - (double)elementToExpand.DesiredSize.Width + (double)elementToExpand.SizeBeforeCollapsing.Width <= (double)constraint.Width && elementToExpand.ExpandElementToStep(possibleExpandStep)))
{
--this.collapsedElementCount;
}
}
}
label_11:
ExpandableStackLayout.InvalidateAll((RadElement)this);
return(this.GetAllElementsSize(constraint));
}
private void CollapseChunkToDropDown()
{
this.ExpandElementToStep(1);
ExpandableStackLayout.InvalidateAll((RadElement)this);
this.UpdateLayout();
SizeF size = (SizeF)this.Size;
this.elementWithCaptionLayoutPanel.SuspendThemeRefresh();
this.Children.Remove((RadElement)this.elementWithCaptionLayoutPanel);
this.elementWithCaptionLayoutPanel.ResumeThemeRefresh();
RadRibbonBarGroup.RadGroupItem radGroupItem = new RadRibbonBarGroup.RadGroupItem();
radGroupItem.AutoSizeMode = RadAutoSizeMode.WrapAroundChildren;
radGroupItem.Children.Add((RadElement)this.elementWithCaptionLayoutPanel);
radGroupItem.MinSize = new Size(size.ToSize().Width, radGroupItem.MinSize.Height);
RadDropDownMenu dropDownMenu = this.dropDownElement.DropDownMenu;
RadDropDownMenuElement popupElement = (RadDropDownMenuElement)dropDownMenu.PopupElement;
(popupElement.LayoutPanel as StackLayoutPanel).Orientation = this.Orientation;
popupElement.Layout.LeftColumnMinWidth = 0;
this.dropDownElement.Items.Add((RadItem)radGroupItem);
this.dropDownElement.Visibility = ElementVisibility.Visible;
this.CollapseStep = 4;
dropDownMenu.SetTheme();
}