Add find as you type for the action editor

[gpapp]

Add find as you type to the editor

• Context: display available contexts (include the items defined with icons)
• Delegates: display the delegates already used in the map

[gpapp]

For input hints an elegant solution is available here: http://stackoverflow.com/questions/1738966/java-jtextfield-with-input-hint

As for a drop-down value selector the best I can do is probably use a custom JList, that

• pops up when the user types.
• it can be navigated using the up-down arrows in the parent field, upon navigation the text should be overwritten in the field
• right arrow should overwrite the current text
• enter should accept the typed text (without the hint)
• it should be a (partially) reusable component for who, where, when fields