public override void LoadContent(IScreen screen)
{
Background.LoadContent(screen);
DropButton = new RelativeLayoutButton()
{
Size = new Vector2(Rect.Height, Rect.Height),
Horizontal = HorizontalAlignment.Right,
Vertical = VerticalAlignment.Center,
Highlightable = true,
TransitionObject = this.TransitionObject,
};
DropButton.OnClick += CreateDropdownList;
var dropImage = new Image()
{
Texture = Screen.Content.Load <Texture2D>(StyleSheet.DropdownImageResource),
Size = new Vector2(Rect.Height, Rect.Height) * 0.75f,
Horizontal = HorizontalAlignment.Right,
Vertical = VerticalAlignment.Center,
FillRect = true,
TransitionObject = this.TransitionObject,
};
DropButton.AddItem(dropImage);
AddItem(DropButton);
base.LoadContent(screen);
}
/// <summary>
/// This method gets called when the parent node is expanded
/// </summary>
public void AddToTree(IScreen screen)
{
Items.Clear();
SetScreen(screen);
Expanded = false;
//get the size of the brick to add for tabs
var tab = new Vector2(ItemButton.Rect.Height, ItemButton.Rect.Height) * .5f;
//Add a brick for each tab
for (int i = 0; i < _indentation; i++)
{
AddItem(new Shim()
{
Size = tab,
Horizontal = HorizontalAlignment.Left,
Vertical = VerticalAlignment.Center,
});
}
//if there are any sub-items, need to add the expand/collapse button
if (ChildItems.Count > 0)
{
//add the expansion button
ExpandCollapseImage = new Image()
{
Texture = _expandTexture,
Size = tab,
Horizontal = HorizontalAlignment.Center,
Vertical = VerticalAlignment.Center,
FillRect = true,
};
//create a stack layout to size teh button correctly
var expandButton = new RelativeLayoutButton()
{
Size = tab * 2f,
Horizontal = HorizontalAlignment.Center,
Vertical = VerticalAlignment.Center,
};
expandButton.AddItem(ExpandCollapseImage);
expandButton.OnClick += ToggleExpansion;
AddItem(expandButton);
}
else
{
AddItem(new Shim()
{
Size = tab * 2f,
});
}
//add that final button
AddItem(ItemButton);
}
private IButton CreateButton(bool okButton)
{
//Create the menu entry "Cancel"
var label = new Label(okButton ? OkText : CancelText, Content, FontSize.Small)
{
Horizontal = HorizontalAlignment.Center,
Vertical = VerticalAlignment.Center,
Layer = 1,
};
//check if there is a background image for this button
var backgrounImage = okButton ? StyleSheet.MessageBoxOkImageResource : StyleSheet.MessageBoxCancelImageResource;
var hasBackgroundImage = !string.IsNullOrEmpty(backgrounImage);
//Create the menu entry for "OK"
var button = new RelativeLayoutButton()
{
HasBackground = !hasBackgroundImage,
Horizontal = HorizontalAlignment.Center,
Vertical = VerticalAlignment.Top,
Size = new Vector2(Resolution.TitleSafeArea.Width * 0.4f - 16, label.Rect.Height * 2f)
};
button.AddItem(label);
if (hasBackgroundImage)
{
button.AddItem(new Image(Content.Load <Texture2D>(backgrounImage))
{
Horizontal = HorizontalAlignment.Center,
Vertical = VerticalAlignment.Center,
Size = button.Rect.Size.ToVector2(),
Highlightable = false,
PulsateOnHighlight = false,
FillRect = true,
Layer = 0
});
}
button.LoadContent(this);
return(button);
}