[richfaces-issues] [JBoss JIRA] Created: (RF-6471) Drap and drop should scroll tree up or down when scrollbars are displayed

[Wouter van Reeven (JIRA)]

Drap and drop should scroll tree up or down when scrollbars are displayed
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                 Key: RF-6471
                 URL: https://jira.jboss.org/jira/browse/RF-6471
             Project: RichFaces
          Issue Type: Feature Request
    Affects Versions: 3.3.0
            Reporter: Wouter van Reeven


We have a rich:panel with a rich:tree inside of it. The rich:panel has "overflow: auto;" in its style. Whenever the tree gets higher than a certain height, the rich:panel displays scrollbars.

For maintenance of the tree we have implemented dragging and dropping of tree nodes to either move them to a certain location, or to copy them to that location. When the tree is very high and the scrollbars are visible, the panel doesn't automatically scroll up or down whenever a tree node is dragged to the upper or lower boundary of the panel.

When using a mouse with a wheel, it is possible to scroll the panel with the mouse wheel while dragging a tree node. However, many of our users use laptops with no wheelmouse so they cannot do this.

Please extend the rich:panel (and other components that may have a tree component inside of them) with a setting that enables (or disables) scrolling of the panel during drag actions.

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