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Arbitrary cursor positioning #1

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Arbitrary cursor positioning #1

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26 changes: 15 additions & 11 deletions src/rich_text/controller.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,12 @@ class RichText.Controller

position

setPosition: (position) ->
selection = window.getSelection()
selection.removeAllRanges()
selection.selectAllChildren(@element)
selection.collapse(selection.anchorNode, position)

didTypeCharacter: (character) ->
@insertString(character)

Expand All @@ -39,21 +45,19 @@ class RichText.Controller
@render()

insertString: (string) ->
@text.insertTextAtPosition(new RichText.Text(string), @getPosition())
text = new RichText.Text(string)
position = @getPosition()

@text.insertTextAtPosition(text, position)
@render()
@setPosition(position + text.getLength())

backspace: ->
position = @getPosition()
@text.removeTextAtRange([position - 1, position]) if position > 0
@render()
if position = @getPosition()
@text.removeTextAtRange([position - 1, position])
@render()
@setPosition(position - 1)

render: ->
@element.innerHTML = ""
@element.appendChild(@renderer.render())
@updateSelection()

updateSelection: ->
selection = window.getSelection()
selection.removeAllRanges()
selection.selectAllChildren(@element)
selection.collapseToEnd()