public void AddButton(string title, SIAlertViewButtonType type, NSAction handler)
{
SIAlertItem item = new SIAlertItem();
item.Title = title;
item.Type = type;
item.Action = handler;
_Items.Add(item);
}
public void ButtonAction(UIButton button)
{
SetAnimating(true); // set this flag to YES in order to prevent showing another alert in action block
SIAlertItem item = this._Items[button.Tag];
if (item.Action != null)
{
item.Action.Invoke();
}
this.DismissAnimated(true);
}
public void AddButton(SIAlertItem alertItem)
{
_Items.Add(alertItem);
}
public void AddButton(string title, SIAlertViewButtonType type, Action handler)
{
SIAlertItem item = new SIAlertItem();
item.Title = title;
item.Type = type;
item.Action = handler;
_Items.Add(item);
}
public void AddButton(SIAlertItem alertItem)
{
_Items.Add(alertItem);
}
public UIButton ButtonForItemIndex(int index)
{
SIAlertItem item = this._Items[index];
UIButton button = UIButton.FromType(UIButtonType.Custom);
button.Tag = index;
button.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
button.TitleLabel.Font = (item.Font != null && item.Font != this.ButtonFont) ? item.Font : this.ButtonFont;
button.SetTitle(item.Title, UIControlState.Normal);
UIImage normalImage = null;
UIImage highlightedImage = null;
// both custom background images images must be present, otherwise we use the defaults
if (item.BackgroundImageNormal == null || item.BackgroundImageHighlighted == null)
{
switch (item.Type)
{
case SIAlertViewButtonType.Cancel:
normalImage = UIImage.FromBundle(@"Images/SIAlertView.bundle/button-cancel");
highlightedImage = UIImage.FromBundle(@"Images/SIAlertView.bundle/button-cancel-d");
button.SetTitleColor(UIColor.FromWhiteAlpha(0.3f, 1f), UIControlState.Normal);
button.SetTitleColor(UIColor.FromWhiteAlpha(0.3f, 1f), UIControlState.Highlighted);
break;
case SIAlertViewButtonType.Destructive:
normalImage = UIImage.FromBundle(@"Images/SIAlertView.bundle/button-destructive");
highlightedImage = UIImage.FromBundle(@"Images/SIAlertView.bundle/button-destructive-d");
button.SetTitleColor(UIColor.White, UIControlState.Normal);
button.SetTitleColor(UIColor.FromWhiteAlpha(1f, 0.8f), UIControlState.Highlighted);
break;
case SIAlertViewButtonType.Default:
default:
normalImage = UIImage.FromBundle(@"Images/SIAlertView.bundle/button-default");
highlightedImage = UIImage.FromBundle(@"Images/SIAlertView.bundle/button-default-d");
button.SetTitleColor(UIColor.FromWhiteAlpha(0.4f, 1f), UIControlState.Normal);
button.SetTitleColor(UIColor.FromWhiteAlpha(0.4f, 0.8f), UIControlState.Highlighted);
break;
}
}
else
{
normalImage = item.BackgroundImageNormal;
highlightedImage = item.BackgroundImageHighlighted;
}
// both images must be present, othrwise we'll fall back to the specified background color
if (normalImage != null && highlightedImage != null)
{
float hInset = (float)Math.Floor(normalImage.Size.Width / 2);
float vInset = (float)Math.Floor(normalImage.Size.Height / 2);
UIEdgeInsets insets = new UIEdgeInsets(vInset, hInset, vInset, hInset);
if (normalImage != null)
{
normalImage = normalImage.CreateResizableImage(insets);
button.SetBackgroundImage(normalImage, UIControlState.Normal);
}
if (highlightedImage != null)
{
highlightedImage = highlightedImage.CreateResizableImage(insets);
button.SetBackgroundImage(highlightedImage, UIControlState.Highlighted);
}
}
else if (item.BackgroundColor != null)
{
button.BackgroundColor = item.BackgroundColor;
}
if (item.TextColorNormal != null)
{
button.SetTitleColor(item.TextColorNormal, UIControlState.Normal);
}
if (item.TextColorHIghlighted != null)
{
button.SetTitleColor(item.TextColorHIghlighted, UIControlState.Highlighted);
}
button.TouchUpInside += (o, s) => { ButtonAction(button); };
return(button);
}