// Animate accordion
private void Animate(AccordionItem to_select)
{
// Animation
if ((SelectedItem != null) && (to_select != null) && (Controls.Count > 1))
{
if ((SelectedItem != to_select))
{
try {
int prev_height = SelectedItem.Height;
int sel_h_f = Math.Max(MinimumContentHeight + 24, this.Height - 25 * (Controls.Count - 1));
for (int sel_h_g = sel_h_f / 10; sel_h_g < sel_h_f - sel_h_f / 10; sel_h_g += sel_h_f / 10)
{
int y = 0;
foreach (AccordionItem item in Controls)
{
int height = (item == to_select) ? sel_h_g + 24 : 24;
if (item == SelectedItem)
{
height = prev_height - sel_h_g;
}
item.SetBounds(0, y, this.Width, height);
y += height + 1;
}
Application.DoEvents();
System.Threading.Thread.Sleep(7);
}
} catch { }
}
}
// Select item and redraw
SelectedItem = to_select;
Redraw();
}
/// <summary>
/// Add an item in the accordion control.
/// </summary>
/// <param name="item">Item to add</param>
public void AddAccordionItem(AccordionItem item)
{
item.Click += delegate { Animate(item); }; // Animation on click
Controls.Add(item);
if (Controls.Count == 1) SelectedItem = (AccordionItem)Controls[0];
Redraw();
}
/// <summary>
/// Add an item in the accordion control.
/// </summary>
/// <param name="item">Item to add</param>
public void AddAccordionItem(AccordionItem item)
{
item.Click += delegate { Animate(item); }; // Animation on click
Controls.Add(item);
if (Controls.Count == 1)
{
SelectedItem = (AccordionItem)Controls[0];
}
Redraw();
}
/// <summary>
/// Remove an item from the accordion control.
/// </summary>
/// <param name="item">Item to remove</param>
public void RemoveAccordionItem(AccordionItem item)
{
if (SelectedItem == item)
{
SelectedItem = null;
}
Controls.Remove(item);
if (SelectedItem == null && Controls.Count > 0)
{
SelectedItem = (AccordionItem)Controls[0];
}
Redraw();
}
/// <summary>
/// Select an item and perform tha animation as on click.
/// </summary>
/// <param name="item"></param>
public void SelectItemWithAnimation(AccordionItem item)
{
Animate(item);
}
/// <summary>
/// Clear all accordion items.
/// </summary>
public void ClearAccordion()
{
Controls.Clear();
SelectedItem = null;
Redraw();
}
// Animate accordion
private void Animate(AccordionItem to_select)
{
// Animation
if ((SelectedItem != null) && (to_select != null) && (Controls.Count > 1))
if ((SelectedItem != to_select)) try {
int prev_height = SelectedItem.Height;
int sel_h_f = Math.Max(MinimumContentHeight + 24, this.Height - 25 * (Controls.Count - 1));
for (int sel_h_g = sel_h_f / 10; sel_h_g < sel_h_f - sel_h_f / 10; sel_h_g += sel_h_f / 10) {
int y = 0;
foreach (AccordionItem item in Controls) {
int height = (item == to_select) ? sel_h_g + 24 : 24;
if (item == SelectedItem) height = prev_height - sel_h_g;
item.SetBounds(0, y, this.Width, height);
y += height + 1; }
Application.DoEvents();
System.Threading.Thread.Sleep(7);
}
} catch { }
// Select item and redraw
SelectedItem = to_select;
Redraw();
}
/// <summary>
/// Select an item and perform tha animation as on click.
/// </summary>
/// <param name="item"></param>
public void SelectItemWithAnimation(AccordionItem item)
{
Animate(item);
}
/// <summary>
/// Remove an item from the accordion control.
/// </summary>
/// <param name="index">Index of the item to remove</param>
public void RemoveAccordionItemAt(int index)
{
if (SelectedItem == Controls[index]) SelectedItem = null;
Controls.RemoveAt(index);
if (SelectedItem == null && Controls.Count > 0) SelectedItem = (AccordionItem)Controls[0];
Redraw();
}
/// <summary>
/// Remove an item from the accordion control.
/// </summary>
/// <param name="item">Item to remove</param>
public void RemoveAccordionItem(AccordionItem item)
{
if (SelectedItem == item) SelectedItem = null;
Controls.Remove(item);
if (SelectedItem == null && Controls.Count > 0) SelectedItem = (AccordionItem)Controls[0];
Redraw();
}
