jf-roku/components/ListPoster.brs
2019-05-30 17:38:02 -05:00

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sub init()
m.title = m.top.findNode("title")
m.title.translation = [2, 0]
m.poster = m.top.findNode("poster")
m.poster.translation = [2, 0]
m.backdrop = m.top.findNode("backdrop")
m.backdrop.color = "#404040FF"
updateSize()
end sub
sub updateSize()
m.title = m.top.findNode("title")
m.poster = m.top.findNode("poster")
m.backdrop = m.top.findNode("backdrop")
image = invalid
if m.top.itemContent <> invalid and m.top.itemContent.image <> invalid
image = m.top.itemContent.image
end if
if image = invalid
m.backdrop.visible = true
else
m.backdrop.visible = false
end if
' TODO - abstract this in case the parent doesnt have itemSize
maxSize = m.top.getParent().itemSize
' Always reserve the bottom for the Poster Title
m.title.wrap = true
m.title.maxLines = 2
m.title.width = maxSize[0]
m.title.height = 80
m.title.translation = [0, int(maxSize[1]) - m.title.height]
ratio = 1.5
if image <> invalid and image.width <> 0 and image.height <> 0
ratio = image.height / image.width
end if
m.poster.width = int(maxSize[0]) - 4
m.poster.height = m.poster.width * ratio
posterVertSpace = int(maxSize[1]) - m.title.height
if m.poster.height > posterVertSpace
' Do a thing to shrink the image if it is too tall
end if
m.poster.translation = [2, (posterVertSpace - m.poster.height) / 2]
m.backdrop.width = m.poster.width
m.backdrop.height = m.poster.height
end sub
function itemContentChanged() as void
m.title = m.top.findNode("title")
m.poster = m.top.findNode("poster")
itemData = m.top.itemContent
m.title.text = itemData.title
m.poster.uri = itemData.posterUrl
updateSize()
end function