private void scrollingTimer_Tick(object sender, EventArgs e)
{
if (this.shouldScroll)
{
int offset = 0;
if (this.scrollUp)
{
FastNavigationItem item = this.hostedControl.Items[0] as FastNavigationItem;
if (item.View.ViewStartDate <= this.Calendar.RangeMinDate)
{
return;
}
viewIndex--;
offset = 1;
}
else
{
FastNavigationItem item = this.hostedControl.Items[this.hostedControl.Items.Count - 1] as FastNavigationItem;
if (item.View.ViewEndDate >= this.Calendar.RangeMaxDate)
{
return;
}
viewIndex++;
offset = -1;
}
int a = Calendar.RangeMaxDate.Month + (Calendar.RangeMaxDate.Year * 12);
int b = Calendar.RangeMinDate.Month + (Calendar.RangeMinDate.Year * 12);
if ((a - b) > hostedControl.Items.Count)
{
CalendarView maxView = (this.hostedControl.Items[this.hostedControl.Items.Count - 1] as FastNavigationItem).View;
maxView = maxView.GetNextView(-offset);
int maxViewMonth = maxView.ViewStartDate.Month;
int maxViewYear = maxView.ViewStartDate.Year;
CalendarView minView = (this.hostedControl.Items[0] as FastNavigationItem).View;
minView = minView.GetNextView(-offset);
int minViewMonth = minView.ViewStartDate.Month;
int minViewYear = minView.ViewStartDate.Year;
InitializeNavItems(viewIndex);
if ((maxViewMonth >= this.Calendar.RangeMaxDate.Month && maxViewYear >= this.Calendar.RangeMaxDate.Year) ||
(minViewMonth <= this.Calendar.RangeMinDate.Month && minViewYear <= this.Calendar.RangeMinDate.Year))
{
viewIndex += offset;
}
}
this.scrollingTimer.Interval = 2500 / (Math.Abs(offsetPoint.Y) + 1);
}
}
private void SetNavigationItemsVisibility()
{
for (int i = 0; i < this.hostedControl.Items.Count; i++)
{
FastNavigationItem item = this.hostedControl.Items[i] as FastNavigationItem;
item.Visibility = ElementVisibility.Visible;
}
for (int i = 0; i < this.hostedControl.Items.Count; i++)
{
FastNavigationItem item = this.hostedControl.Items[i] as FastNavigationItem;
for (int j = i + 1; j < this.hostedControl.Items.Count; j++)
{
FastNavigationItem item2 = this.hostedControl.Items[j] as FastNavigationItem;
if (item.View.Equals(item2.View))
{
item2.Visibility = ElementVisibility.Collapsed;
}
}
}
// Get Visible Items
List <FastNavigationItem> visibleItems = new List <FastNavigationItem>();
for (int i = 0; i < this.hostedControl.Items.Count; i++)
{
if (this.hostedControl.Items[i].Visibility == ElementVisibility.Visible)
{
visibleItems.Add(this.hostedControl.Items[i] as FastNavigationItem);
this.hostedControl.Items[i].Visibility = ElementVisibility.Collapsed;
}
}
for (int i = 0; i < this.hostedControl.Items.Count; i++)
{
if (visibleItems.Count > i)
{
(this.hostedControl.Items[i] as FastNavigationItem).View = visibleItems[i].View;
(this.hostedControl.Items[i] as FastNavigationItem).Text = visibleItems[i].View.GetTitleContent();
(this.hostedControl.Items[i] as FastNavigationItem).Visibility = ElementVisibility.Visible;
}
else
{
break;
}
}
}
private void items_ItemsChanged(RadItemCollection changed, RadItem target, ItemsChangeOperation operation)
{
if (operation == ItemsChangeOperation.Inserted)
{
this.Children.Add(target);
}
else if (operation == ItemsChangeOperation.Cleared)
{
for (int i = this.Children.Count - 1; i >= 0; i--)
{
FastNavigationItem item = this.Children[i] as FastNavigationItem;
if (item != null)
{
this.Children.Remove(item);
}
}
}
}
private void items_ItemsChanged(
RadItemCollection changed,
RadItem target,
ItemsChangeOperation operation)
{
switch (operation)
{
case ItemsChangeOperation.Inserted:
this.Children.Add((RadElement)target);
break;
case ItemsChangeOperation.Cleared:
for (int index = this.Children.Count - 1; index >= 0; --index)
{
FastNavigationItem child = this.Children[index] as FastNavigationItem;
if (child != null)
{
this.Children.Remove((RadElement)child);
}
}
break;
}
}
private void LoadFastNavigationItems()
{
this.viewIndex = 0;
InitializeNavItems(0);
this.hostedControl.Items.Clear();
if (this.hostedControl.Items.Count == 0)
{
this.dropDown.SizingMode = SizingMode.None;
int fastNavigationItemsCnt = this.FastNavigationItemsCount;
int months =
(this.Calendar.RangeMaxDate.Year * 12 + this.Calendar.RangeMaxDate.Month) -
(this.Calendar.RangeMinDate.Year * 12 + this.Calendar.RangeMinDate.Month) + 1;
if (fastNavigationItemsCnt > months)
{
fastNavigationItemsCnt = months;
}
FastNavigationItem previosItem = null;
for (int i = 1; i <= fastNavigationItemsCnt; i++)
{
FastNavigationItem item = null;
switch (i)
{
case 1:
item = item1;
break;
case 2:
item = item2;
break;
case 3:
item = item3;
break;
case 4:
item = item4;
break;
case 5:
item = item5;
break;
case 6:
item = item6;
break;
case 7:
item = item7;
break;
case 8:
item = item8;
break;
case 9:
item = item9;
break;
case 10:
item = item10;
break;
case 11:
item = item11;
break;
case 12:
item = item12;
break;
case 13:
item = item13;
break;
}
if (item == null)
{
continue;
}
if (previosItem != null && item.View.ViewStartDate == previosItem.View.ViewStartDate && item.View.ViewEndDate == previosItem.View.ViewEndDate)
{
previosItem = item;
continue;
}
this.hostedControl.Items.Add(item);
previosItem = item;
}
}
SetNavigationItemsVisibility();
}
private void InitializeNavItems(int offset)
{
if (item1 == null)
{
item1 = new FastNavigationItem(this.Calendar, this.View);
item2 = new FastNavigationItem(this.Calendar, this.View);
item3 = new FastNavigationItem(this.Calendar, this.View);
item4 = new FastNavigationItem(this.Calendar, this.View);
item5 = new FastNavigationItem(this.Calendar, this.View);
item6 = new FastNavigationItem(this.Calendar, this.View);
item7 = new FastNavigationItem(this.Calendar, this.View);
item8 = new FastNavigationItem(this.Calendar, this.View);
item9 = new FastNavigationItem(this.Calendar, this.View);
item10 = new FastNavigationItem(this.Calendar, this.View);
item11 = new FastNavigationItem(this.Calendar, this.View);
item12 = new FastNavigationItem(this.Calendar, this.View);
item13 = new FastNavigationItem(this.Calendar, this.View);
// To be reviewed later Boyko Markov
item1.PerformLayout();
item2.PerformLayout();
item3.PerformLayout();
item4.PerformLayout();
item5.PerformLayout();
item6.PerformLayout();
item7.PerformLayout();
item8.PerformLayout();
item9.PerformLayout();
item10.PerformLayout();
item11.PerformLayout();
item12.PerformLayout();
item13.PerformLayout();
}
int defaultStep = 3;
switch (this.FastNavigationItemsCount)
{
case 3:
defaultStep = 1;
break;
case 7:
defaultStep = 3;
break;
case 9:
defaultStep = 4;
break;
case 11:
defaultStep = 5;
break;
case 13:
defaultStep = 6;
break;
}
int yearDif = this.Calendar.DefaultView.ViewStartDate.Year - this.Calendar.RangeMinDate.Year;
int monthDif = this.Calendar.DefaultView.ViewStartDate.Month - this.Calendar.RangeMinDate.Month;
int realMonthDif = (yearDif * 12) + monthDif;
if (realMonthDif < FastNavigationItemsCount)
{
defaultStep = realMonthDif;
}
if (this.FastNavigationItemsCount > 1)
{
CalendarView item1View = this.Calendar.GetNewViewFromStep(-defaultStep + offset);
CalendarView item2View = this.Calendar.GetNewViewFromStep(-defaultStep + 1 + offset);
CalendarView item3View = this.Calendar.GetNewViewFromStep(-defaultStep + 2 + offset);
item1.View = item1View;
item2.View = item2View;
item3.View = item3View;
item1.Text = item1.View.GetTitleContent();
item2.Text = item2.View.GetTitleContent();
item3.Text = item3.View.GetTitleContent();
}
if (this.FastNavigationItemsCount > 3)
{
CalendarView item4View = this.Calendar.GetNewViewFromStep(-defaultStep + 3 + offset);
CalendarView item5View = this.Calendar.GetNewViewFromStep(-defaultStep + 4 + offset);
CalendarView item6View = this.Calendar.GetNewViewFromStep(-defaultStep + 5 + offset);
CalendarView item7View = this.Calendar.GetNewViewFromStep(-defaultStep + 6 + offset);
item4.View = item4View;
item5.View = item5View;
item6.View = item6View;
item7.View = item7View;
item4.Text = item4.View.GetTitleContent();
item5.Text = item5.View.GetTitleContent();
item6.Text = item6.View.GetTitleContent();
item7.Text = item7.View.GetTitleContent();
}
if (this.FastNavigationItemsCount > 7)
{
item8.View = this.Calendar.GetNewViewFromStep(-defaultStep + 7 + offset);
item9.View = this.Calendar.GetNewViewFromStep(-defaultStep + 8 + offset);
item8.Text = item8.View.GetTitleContent();
item9.Text = item9.View.GetTitleContent();
}
if (this.FastNavigationItemsCount > 9)
{
item10.View = this.Calendar.GetNewViewFromStep(-defaultStep + 9 + offset);
item11.View = this.Calendar.GetNewViewFromStep(-defaultStep + 10 + offset);
item10.Text = item10.View.GetTitleContent();
item11.Text = item11.View.GetTitleContent();
}
if (this.fastNavigationItemsCount > 11)
{
item12.View = this.Calendar.GetNewViewFromStep(-defaultStep + 11 + offset);
item13.View = this.Calendar.GetNewViewFromStep(-defaultStep + 12 + offset);
item12.Text = item12.View.GetTitleContent();
item13.Text = item13.View.GetTitleContent();
}
SetNavigationItemsVisibility();
this.dropDown.Invalidate();
this.hostedControl.Refresh();
}