string GetIconPath(ImageSource src)
{
if (src is FileImageSource fis)
{
return(ResourcePath.GetPath(fis.File));
}
else
{
return(null);
}
}
public Task <bool> LoadImageAsync(Native.Image image, ImageSource imageSource, CancellationToken cancelationToken = default(CancellationToken))
{
var filesource = imageSource as FileImageSource;
if (filesource != null)
{
string file = filesource.File;
if (!string.IsNullOrEmpty(file))
{
return(image.LoadAsync(ResourcePath.GetPath(file), cancelationToken));
}
}
return(Task.FromResult <bool>(false));
}
void UpdateBackgroundImage(bool initiaize)
{
if (initiaize && string.IsNullOrWhiteSpace(Element.BackgroundImage))
{
return;
}
if (string.IsNullOrWhiteSpace(Element.BackgroundImage))
{
_page.File = null;
}
else
{
_page.File = ResourcePath.GetPath(Element.BackgroundImage);
}
}
protected virtual FormsMoreOptionItem CreateMoreOptionItem(ToolbarItem item)
{
var moreOptionItem = new FormsMoreOptionItem
{
MainText = item.Text,
ToolbarItem = item
};
var icon = item.IconImageSource as FileImageSource;
if (icon != null)
{
var img = new ElmSharp.Image(_moreOption.Value);
img.Load(ResourcePath.GetPath(icon));
moreOptionItem.Icon = img;
}
return(moreOptionItem);
}
void UpdateBackgroundImage(bool initialize)
{
if (initialize && Element.BackgroundImageSource.IsNullOrEmpty())
{
return;
}
// TODO: investigate if we can use the other image source types: stream, font, uri
var bgImage = Element.BackgroundImageSource as FileImageSource;
if (bgImage.IsNullOrEmpty())
{
_page.File = null;
}
else
{
_page.File = ResourcePath.GetPath(bgImage);
}
}
EToolbarItem AddToolbarItem(Page newItem, int index)
{
EToolbarItem toolbarItem;
if (index == 0)
{
toolbarItem = _toolbar.Prepend(newItem.Title, string.IsNullOrEmpty(newItem.Icon) ? null : ResourcePath.GetPath(newItem.Icon));
}
else
{
toolbarItem = _toolbar.InsertAfter(_toolbarItemList[index - 1], newItem.Title, string.IsNullOrEmpty(newItem.Icon) ? null : ResourcePath.GetPath(newItem.Icon));
}
_toolbarItemList.Insert(index, toolbarItem);
_itemToItemPage.Add(toolbarItem, newItem);
if (Element.BarBackgroundColor != Color.Default)
{
toolbarItem.SetPartColor("bg", _toolbar.BackgroundColor);
}
var childContent = Platform.GetOrCreateRenderer(newItem).NativeView;
_innerBox.PackEnd(childContent);
newItem.PropertyChanged += OnPageTitleChanged;
return(toolbarItem);
}