editable-in-place

Arguments: outline

Returns the value of the editable-in-place property of the argument. This property determines whether the user may type a new value directly into any item of this outline. If true, then an edit-in-place operation is begun whenever the user clicks on an outline item that is already selected (as in MS Windows Explorer). After the user types in a string and presses ENTER, the outline-item's value is set to what the user has typed. If the original outline-item value was a string, then the new string is used directly; otherwise a read-from-string is performed on the typed-in string to produce the lisp object that is used as the new outline-item value.

Note that if the outline-item values are high-level objects, as is often the case, this property has limited usefulness. It is difficult (and for users rather than programmers, likely impossible) to type in a high-level object (the printed representation generally is not correct).

editable-in-place is a property of the outline class.

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Created 2019.8.20.