private void ButtonPressed(NSIndexPath indexPath)
{
if (_delegate != null)
{
ASMultiSelectActionSheetButton button = Sections.ElementAtOrDefault(indexPath.Section)?.Buttons.ElementAtOrDefault(indexPath.Row);
if (button != null || (button.Style == ASMultiSelectActionSheetButtonStyle.PerformAction && button.Data == null))
{
_delegate.ActionSheetPressedButtonAtIndex(this, indexPath, button);
}
}
}
public void SetButtonStyleAtIndex(ASMultiSelectActionSheetButtonStyle style, int index)
{
if (index < Buttons.Count)
{
ASMultiSelectActionSheetButton button = Buttons.ElementAt(index);
button.SetButtonStyleForButton(style);
}
else
{
Console.WriteLine("ERROR: Index out of bounds.");
return;
}
}
private ASMultiSelectActionSheetButton MakeButtonWithTitle(string title, ASMultiSelectActionSheetButtonStyle style, int row)
{
ASMultiSelectActionSheetButton b = new ASMultiSelectActionSheetButton();
b.Layer.MasksToBounds = true;
b.Layer.BorderWidth = 0.0f;
b.SetTitle(title, UIControlState.Normal);
b.TouchUpInside += ButtonPressed;
b.Style = style;
b.Row = row;
b.SetButtonStyleForButton(style);
return(b);
}
/// <summary>
/// Creates an action sheet section.
/// </summary>
/// <param name="title">Title.</param>
/// <param name="message">Subtitle.</param>
/// <param name="buttonDefs">Button titles and an optional object.</param>
/// <param name="style">Button style; this controls appearance and behavior in some cases.</param>
/// <param name="actionButtonTitle">If defined, the section will also include a stacked action button.</param>
/// <param name="actionObject">Optional: A custom action or command to bind to the action button.</param>
public ASMultiSelectActionSheetSection(string title, string message, List <Tuple <string, object> > buttonDefs, ASMultiSelectActionSheetButtonStyle style, string actionButtonTitle, object actionObject = null)
{
if (!String.IsNullOrEmpty(title))
{
UILabel titleLabel = new UILabel();
titleLabel.BackgroundColor = UIColor.Clear;
titleLabel.TextAlignment = UITextAlignment.Center;
titleLabel.Font = UIFont.BoldSystemFontOfSize(25.0f);
titleLabel.TextColor = UIColor.Black;
titleLabel.Lines = 1;
titleLabel.Text = title;
TitleLabel = titleLabel;
AddSubview(TitleLabel);
}
if (!String.IsNullOrEmpty(message))
{
UILabel messageLabel = new UILabel();
messageLabel.BackgroundColor = UIColor.Clear;
messageLabel.TextAlignment = UITextAlignment.Center;
messageLabel.Font = UIFont.SystemFontOfSize(15.0f);
messageLabel.TextColor = UIColor.Black;
messageLabel.Lines = 0;
messageLabel.Text = message;
MessageLabel = messageLabel;
AddSubview(MessageLabel);
}
horizontalLines = new List <UIView>();
UIView titleLine = new UIView();
titleLine.BackgroundColor = UIColor.FromRGB(0.63f, 0.63f, 0.63f);
horizontalLines.Add(titleLine);
AddSubview(titleLine);
List <ASMultiSelectActionSheetButton> buttons = new List <ASMultiSelectActionSheetButton>();
int index = 0;
if (buttonDefs.Any())
{
foreach (var d in buttonDefs)
{
ASMultiSelectActionSheetButton b = MakeButtonWithTitle(d.Item1, style, index++);
b.Data = d.Item2;
buttons.Add(b);
AddSubview(b);
}
}
ASMultiSelectActionSheetButton cancel = MakeButtonWithTitle("Cancel", ASMultiSelectActionSheetButtonStyle.Cancel, index++);
buttons.Add(cancel);
AddSubview(cancel);
controlLine = new UIView();
controlLine.BackgroundColor = UIColor.FromRGB(0.63f, 0.63f, 0.63f);
AddSubview(controlLine);
ASMultiSelectActionSheetButton action = MakeButtonWithTitle(actionButtonTitle, ASMultiSelectActionSheetButtonStyle.PerformAction, index++);
action.Data = actionObject;
action.Enabled = false;
buttons.Add(action);
AddSubview(action);
ActionButton = action;
Buttons = buttons;
}
public CGRect LayoutForWidth(float width)
{
float buttonHeight = 50.0f;
float spacing = Spacing;
float height = 0.0f;
if (TitleLabel != null)
{
height += spacing;
TitleLabel.SizeToFit();
height += (float)TitleLabel.Frame.Height * 1.5f;
TitleLabel.Frame = new CGRect(new CGPoint(spacing, spacing), new CGSize(width - spacing * 2.0f, TitleLabel.Frame.Height * 1.5f));
}
if (MessageLabel != null)
{
height += spacing;
CGSize maxLabelSize = new CGSize(width - spacing * 2.0f, width);
float messageLabelHeight = 0.0f;
if (iOS7)
{
var attributes = MessageLabel.Font;
messageLabelHeight = (float)MessageLabel.AttributedText.GetBoundingRect(maxLabelSize, NSStringDrawingOptions.UsesLineFragmentOrigin, null).Height;
}
else
{
messageLabelHeight = (float)UIStringDrawing.StringSize(MessageLabel.Text, MessageLabel.Font, maxLabelSize).Height;
}
MessageLabel.Frame = new CGRect(new CGPoint(spacing, height), new CGSize(width - spacing * 2.0f, messageLabelHeight));
height += messageLabelHeight;
}
int lineIndex = 0;
//Add the title dividing line
UIView line = horizontalLines.ElementAt(lineIndex);
line.Frame = new CGRect(new CGPoint(0.0f, height + 1), new CGSize(width, 1.0f));
height++;
lineIndex++;
ASMultiSelectActionSheetButton cancel = null;
ASMultiSelectActionSheetButton action = null;
foreach (ASMultiSelectActionSheetButton button in Buttons)
{
height += spacing;
if (button.Style == ASMultiSelectActionSheetButtonStyle.Cancel)
{
float x = 1.0f;
float y = height;
if (action != null)
{
y = (float)action.Frame.Y;
}
button.Frame = new CGRect(new CGPoint(x, y), new CGSize(((width - spacing * 2.0f) / 2) - 2, buttonHeight));
cancel = button;
height += buttonHeight;
}
else if (button.Style == ASMultiSelectActionSheetButtonStyle.PerformAction)
{
float x = width / 2 + 1;
float y = height;
if (cancel != null)
{
y = (float)cancel.Frame.Y;
height -= buttonHeight -= spacing;
controlLine.Frame = new CGRect(new CGPoint(width / 2, height - 2), new CGSize(1.0f, buttonHeight + spacing + 2));
}
button.Frame = new CGRect(new CGPoint(x, y), new CGSize(((width - spacing * 2.0f) / 2) - 1, buttonHeight));
action = button;
height += buttonHeight;
}
else
{
button.Frame = new CGRect(new CGPoint(spacing, height), new CGSize(width - spacing * 2.0f, buttonHeight));
height += buttonHeight;
//UIView buttonLine = horizontalLines.ElementAt(lineIndex);
line.Frame = new CGRect(new CGPoint(0.0f, height + 1), new CGSize(width, 1.0f));
height++;
lineIndex++;
}
}
if (ContentView != null)
{
height += spacing;
ContentView.Frame = new CGRect(new CGPoint(spacing, height), new CGSize(width - spacing * 2.0f, ContentView.Frame.Height));
height += (float)ContentView.Frame.Height;
}
height += spacing;
Frame = new CGRect(CGPoint.Empty, new CGSize(width, height));
return(Frame);
}