57 lines
1.1 KiB
Plaintext
57 lines
1.1 KiB
Plaintext
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note
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description: "[
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A JJ_NODE_ITEM which can hold only a VIEWABLE_LEAF_NODE and placeable
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into a JJ_TREE_VIEW.
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]"
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author: "Jimmy J. Johnson"
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date: "$Date: 2012-03-16 14:05:07 -0400 (Fri, 16 Mar 2012) $"
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revision: "$Revision: 7 $"
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class
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JJ_LEAF_NODE_ITEM
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inherit
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JJ_NODE_ITEM
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redefine
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set_actions,
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target,
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on_drop_node
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end
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create
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default_create
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feature {NONE} -- Initialization
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set_actions
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-- Add actions to the widget, but...
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-- remove the actions which will accept a drop of a node, because
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-- we cannot add a child node to the `target'.
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-- This does not prevent adding other drop actions, even a drop of
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-- a node as long as it doesn't add a child node to `target'.
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do
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Precursor {JJ_NODE_ITEM}
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-- clear the drop actions. This is safe at this time because
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-- JJ_NODE_ITEM only adds one drop action which is the one that
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-- must be removed anyway.
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drop_actions.wipe_out
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end
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feature -- Access
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target: NODE
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-- The node which is displayed by Current.
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feature -- Testing for now
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on_drop_node (a_node: NODE)
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-- Can this be done?
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do
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check
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do_not_call: False
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end
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end
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end
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