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Bug 436743

Summary: Error after undo'ing move of several lines
Product: [ECD] Orion Reporter: Mark Macdonald <mamacdon>
Component: EditorAssignee: Silenio Quarti <Silenio_Quarti>
Status: RESOLVED FIXED QA Contact:
Severity: normal    
Priority: P3 CC: Silenio_Quarti
Version: 5.0   
Target Milestone: 7.0   
Hardware: PC   
OS: Windows 7   
Whiteboard:

Description Mark Macdonald CLA 2014-06-05 15:12:18 EDT 
Chrome 37.0.2017.2 beta-m

1. Select 2 or more lines of text in the editor
2. Use Alt+UpArrow or Alt+DownArrow to move the lines up or down (or drag & drop the text to move it)
3. Press Ctrl+Z to undo

You get an error, and some editor features stop working. Mouse selection doesn't behave correctly and undo stops working.

> TypeError: "Cannot read property 'lineIndex' of undefined"
>  TextView._setDOMFullSelection (textView.js:6217)
>  TextView._setDOMSelection (textView.js:6114)
>  TextView._updateDOMSelection (textView.js:6765)
>  TextView._setSelection (textView.js:6310)
>  TextView.setSelection (textView.js:2851)
>  CompoundChange.undo (undoStack.js:136)
>  UndoStack.undo (undoStack.js:398)
>  (anonymous function) (actions.js:60)
>  TextView.invokeAction (textView.js:2085)
>  TextView._doAction (textView.js:4220)
>  TextView._handleKeyDown (textView.js:3341)