private void MovePageTo(PageSliderPage page, PageSlider slider, int newIndex)
{
IDesignerHost dh = this.GetService(typeof(IDesignerHost)) as IDesignerHost;
IComponentChangeService cc = this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
ISelectionService ss = this.GetService(typeof(ISelectionService)) as ISelectionService;
DesignerTransaction dt = dh.CreateTransaction("Moving page");
if (cc != null)
cc.OnComponentChanging(slider, TypeDescriptor.GetProperties(slider)["Controls"]);
slider.Controls.SetChildIndex(page, newIndex);
if (cc != null)
cc.OnComponentChanged(slider, TypeDescriptor.GetProperties(slider)["Controls"], null, null);
dt.Commit();
}
internal static bool SelectNextPage(PageSlider slider)
{
if (slider == null)
return false;
if (slider.PageCount > 0)
{
if (slider.SelectedPageIndex < slider.PageCount - 1)
slider.SelectedPageIndex++;
else
slider.SelectedPageIndex = 0;
return true;
}
return false;
}
internal static bool SelectPreviousPage(PageSlider slider)
{
if (slider == null)
return false;
if (slider.PageCount > 0)
{
if (slider.SelectedPageIndex > 0)
slider.SelectedPageIndex--;
else
slider.SelectedPageIndex = slider.PageCount - 1;
return true;
}
return false;
}
internal static PageSliderPage CreatePage(PageSlider parent, IDesignerHost dh, IComponentChangeService cc, ISelectionService ss)
{
DesignerTransaction dt = dh.CreateTransaction();
PageSliderPage page = null;
try
{
page = dh.CreateComponent(typeof(PageSliderPage)) as PageSliderPage;
if (cc != null)
cc.OnComponentChanging(parent, TypeDescriptor.GetProperties(parent)["Controls"]);
parent.Controls.Add(page);
if (cc != null)
cc.OnComponentChanged(parent, TypeDescriptor.GetProperties(parent)["Controls"], null, null);
if (ss != null)
ss.SetSelectedComponents(new PageSliderPage[] { page }, SelectionTypes.Replace);
TypeDescriptor.GetProperties(parent)["SelectedPage"].SetValue(parent, page);
}
catch
{
dt.Cancel();
}
finally
{
if (!dt.Canceled)
dt.Commit();
}
return page;
}