61 lines
1.7 KiB
Plaintext
61 lines
1.7 KiB
Plaintext
import "pkg:/source/utils/misc.brs"
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sub init()
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m.previouslyDisplayedSection = 0
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end sub
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sub onFocusChange()
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if m.top.focus
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m.top.getChild(m.top.displayedIndex).setFocus(true)
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end if
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end sub
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sub displayedIndexChanged()
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if not m.top.affectsFocus then return
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if m.top.displayedIndex < 0
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return
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end if
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if m.top.displayedIndex > (m.top.getChildCount() - 1)
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return
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end if
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m.top.getChild(m.previouslyDisplayedSection).setFocus(false)
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displayedSection = m.top.getChild(m.top.displayedIndex)
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displayedSection.setFocus(true)
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onDeckSection = invalid
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previouslyOnDeckSection = invalid
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if m.top.displayedIndex + 1 <= (m.top.getChildCount() - 1)
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onDeckSection = m.top.getChild(m.top.displayedIndex + 1)
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end if
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if m.top.displayedIndex + 2 <= (m.top.getChildCount() - 1)
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previouslyOnDeckSection = m.top.getChild(m.top.displayedIndex + 2)
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end if
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' Move sections either up or down depending on what index we're moving to
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if m.top.displayedIndex > m.previouslyDisplayedSection
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for i = m.previouslyDisplayedSection to m.top.displayedIndex - 1
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m.top.getChild(i).callFunc("scrollOffTop")
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end for
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displayedSection.callFunc("showFromBottom")
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if isValid(onDeckSection)
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onDeckSection.callFunc("scrollUpToOnDeck")
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end if
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else if m.top.displayedIndex < m.previouslyDisplayedSection
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m.top.getChild(m.top.displayedIndex + 1).callFunc("scrollDownToOnDeck")
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displayedSection.callFunc("showFromTop")
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if isValid(previouslyOnDeckSection)
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previouslyOnDeckSection.callFunc("scrollOffOnDeck")
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end if
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end if
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m.previouslyDisplayedSection = m.top.displayedIndex
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end sub
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