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xoceunder's avatar
xoceunder
Roku Guru
3 years ago

help with being able to load individual category

help with being able to load individual category I am using GridScreen and I want to load 12 categories and load the first 2 to make the entry faster and then when selecting the category I can load the content of it and show it can you help me with this I am trying to do a video game project

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4 Replies

  • xoceunder's avatar
    xoceunder
    Roku Guru
    3 years ago

     

    how can I select category can load the content to insert the corresponding category

    use and code

     

    'handler of focused item in RowList
Sub OnItemFocused()
	itemFocused=m.top.itemFocused
    focusedIndex = m.rowList.rowItemFocused ' get position of focused item
	row = m.rowList.content.GetChild(focusedIndex[0]) ' get all items of row
	'When an item gains the key focus, set to a 2-element array,
	'where element 0 contains the index of the focused row,
	'and element 1 contains the index of the focused item in that row.
	If itemFocused.Count()=2
		focusedContent=m.top.content.getChild(itemFocused[0]).getChild(itemFocused[1])
		If focusedContent<>invalid
			m.top.focusedContent=focusedContent
			m.description.content=focusedContent
			m.background.uri=focusedContent.hdBackgroundImageUrl
		End If
	End If
End Sub
      • xoceunder's avatar
        xoceunder
        Roku Guru
        3 years ago

         

        ' ********** Copyright 2016 Roku Corp.  All Rights Reserved. **********
'inits grid screen
'creates all children
'sets all observers

Function Init()
	Print"[GridScreen] Init"
	
	m.rowList=m.top.findNode("RowList")
	m.description=m.top.findNode("Description")
	m.background=m.top.findNode("Background")
	m.background.setFocus(true)
	m.top.observeField("visible","onVisibleChange")
	m.top.observeField("focusedChild","OnFocusedChildChange")
End Function

'handler of focused item in RowList
Sub OnItemFocused()

	itemFocused=m.top.itemFocused
    focusedIndex = m.rowList.rowItemFocused ' get position of focused item
    row = m.rowList.content.GetChild(focusedIndex[0]) ' get all items of row
    item = row.GetChild(focusedIndex[1]) ' get focused item
	
	If itemFocused.Count()=2
		focusedContent=m.top.content.getChild(itemFocused[0]).getChild(itemFocused[1])
		print focusedContent
		If item<>invalid
			m.top.focusedContent=item
			m.description.content=item
			m.background.uri=item.hdBackgroundImageUrl
		End If
	End If

    If  row.getChildCount()=0
        print "children empty: " row.id
		numRows = 9
		for i = 0 To numRows - 1
            rowNew = CreateObject("rosgnode", "ContentNode")
			rowNew.title = "MOVIE ROW " + i.toStr()
			rowNew.HDPosterURL="https://image.tmdb.org/t/p/w300/jl8rZYy7JmbWlBlvDCfwvDmGO0g.jpg"
		    m.rowList.content.insertChildren(rowNew, focusedIndex[0])
		end for
	End If
End Sub

'set proper focus to RowList in case if return from Details Screen
Sub onVisibleChange()
	If m.top.visible=TRUE
		m.rowList.setFocus(TRUE)
	End If
End Sub

'set proper focus to RowList in case if return from Details Screen
Sub OnFocusedChildChange()
	If m.top.isInFocusChain() And Not m.rowList.hasFocus()
		m.rowList.setFocus(TRUE)
	End If
End Sub

         

         

        Trying to be able to insert Content Node to a tree that is without content, I don't know if I'm right or if I'm doing something wrong