/// <summary>
/// Removes an item from the list
/// </summary>
/// <param name="value">The button to remove</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="ArgumentNullExceptions">Raised when the button argument is null</exception>
internal void Remove(NaviButton value)
{
if (value == null)
{
throw new ArgumentNullException();
}
base.List.Remove(value);
}
/// <summary>
/// Changes the active button to the button on which this event occured
/// </summary>
/// <param name="sender">The button on which this event occured</param>
/// <param name="e">Additional info</param>
void button_Click(object sender, EventArgs e)
{
NaviButton button = sender as NaviButton;
if (button != null)
{
foreach (NaviBand band in bands)
{
if (band.Button == button)
{
SetActiveBand(band);
return;
}
}
}
}
/// <summary>
/// Adds the band button to the collection of controls
/// </summary>
/// <param name="band">The band</param>
private void AddButton(NaviBand band)
{
if (band.Button == null)
{
NaviButton button = new NaviButton();
button.SmallImage = band.SmallImage;
button.LargeImage = band.LargeImage;
button.Text = band.Text;
button.Click += new EventHandler(button_Click);
band.Button = button;
}
if (!Controls.Contains(band.Button))
{
Controls.Add(band.Button);
}
if (!buttons.Contains(band.Button))
{
buttons.Add(band.Button);
}
}
/// <summary>
/// Determines whether the list contains a specific value
/// </summary>
/// <param name="button">The button.</param>
/// <returns>Returns true if the list contains the item; false otherwise</returns>
public bool Contains(NaviButton button)
{
return(base.List.Contains(button));
}
/// <summary>
/// Calculates the position of the buttons
/// </summary>
protected virtual void LayoutButtons()
{
int buttonCount = 0;
// Gently lays out the position of the large buttons
int flow = (splitterPosition + smallButtonRectangle.Height + 1) - splitterHeight;
// 1px extra marge for the border of the control
// The optionButtonWidth is the space reserved for the options button
int compactFlow = ((visibleButtons - Bar.VisibleLargeButtons) * Bar.MinimizedButtonWidth) + 1;
if (Bar.ShowMoreOptionsButton)
{
// Initializes the options button
optionsButton.Small = true;
optionsButton.Height = smallButtonRectangle.Height;
optionsButton.Width = optionButtonWidth;
optionsButton.Visible = true;
compactFlow += optionButtonWidth;
if (Bar.RightToLeft == RightToLeft.Yes)
{
optionsButton.Location = new Point(1, smallButtonRectangle.Top);
}
else
{
optionsButton.Location = new Point(Bar.Width - (optionButtonWidth + 1), smallButtonRectangle.Top);
}
}
else
{
optionsButton.Visible = false;
}
// Order of bands can be different than ordering of the list of buttons
foreach (NaviBand band in Bar.Bands)
{
if (band.Button == null)
{
continue;
}
NaviButton button = band.Button;
if (button.Visible)
{
buttonCount++;
// Require
if ((Bar.ActiveBand != null) &&
(Bar.ActiveBand.Button == button) &&
(button.Active == false))
{
button.Active = true;
}
// Regular 'hot' buttons which are part of the main Bar
if (buttonCount <= Bar.VisibleLargeButtons)
{
button.Location = new Point(1, Bar.Height - flow);
button.Height = Bar.ButtonHeight;
button.Width = Bar.Width - 2; // extra space for border on both sides
button.Small = false;
flow -= Bar.ButtonHeight;
}
else
{
// Additional buttons presented at the bottom as small rectangles
if (!Bar.Collapsed)
{
button.Small = true;
button.Height = smallButtonRectangle.Height;
button.Width = Bar.MinimizedButtonWidth;
if (Bar.RightToLeft == RightToLeft.Yes)
{
button.Location = new Point(compactFlow - Bar.MinimizedButtonWidth, smallButtonRectangle.Top);
}
else
{
button.Location = new Point(Bar.Width - compactFlow, smallButtonRectangle.Top);
}
compactFlow -= Bar.MinimizedButtonWidth;
}
else
{
button.Location = new Point(0, 0);
button.Size = new Size(0, 0);
}
}
}
}
// Collapse button
collapseButton.Visible = Bar.ShowCollapseButton && (!showNeverCollapse);
collapseButton.Size = new Size(Bar.HeaderHeight, Bar.HeaderHeight - 3);
if (Bar.RightToLeft == RightToLeft.Yes)
{
collapseButton.Location = new Point(2, 2); // (Bar.HeaderHeight / 2) + 3);
}
else
{
collapseButton.Location = new Point(Bar.Width - Bar.HeaderHeight - 1, 2); // (Bar.HeaderHeight / 2) + 3);
}
}
