ParagraphText: immediately remove listeners from selections and carets on disposal#791

Merged

Jugen merged 5 commits intoFXMisc:masterfrom

JFormDesigner:dispose-paragraph-text-listeners

Dec 16, 2018

Commits on Dec 15, 2018

fixed (rare) NPE in class ParagraphText when GC frees object between two WeakReference.get() invocations
DevCharly
committed
ParagraphText: immediately remove listeners from SelectionPath and Caret on dispose instead of waiting for GC (this improves PR #779, issue #627)
DevCharly
committed
ParagraphText: since weak listeners are no longer required for selection and caret listeners, remove listener classes again and move listener code to constructor (saves 100 lines of code)
DevCharly
committed
ParagraphText: MapChangeListener.Change.wasAdded() and wasRemoved() may both return true when replacing an item. So check both and handle wasRemoved() before wasAdded().
DevCharly
committed
ParagraphText: avoid duplicate code in dispose()
DevCharly
committed

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