EXT Js 6.2.1 Classic grid scroll bar bug Solution

This bug is not found in other versions, refer to the high version code rewrite class to resolve this bug, directly on the code:

1 /**2 * If the list has both a horizontal scroll bar and a vertical scrollbar, when the vertical scroll bar is scrolled to the bottom3 * Click the horizontal scroll bar, scroll bar will automatically scroll to the top4 * 6.2.1 Bug fix5  */6Ext.define (' Override.grid.NavigationModel ', {7Override: ' Ext.grid.NavigationModel ',8     //When the list is clicked9Oncontainermousedown:function(view, mousedownevent) {Ten         varme = This, OneContext =NewExt.grid.CellContext (view), A lastfocused, - position; -         //executes the same name method of the Ext.grid.NavigationModel parent class the         //After you execute this method, if you click on the scroll bar, the value of view.lastfocused will change to ScrollBar -         //you can determine whether you clicked on a scroll bar or a list of contents -         //This will solve the bug . - Me.callsuper ([view, Mousedownevent]); +lastfocused =view.lastfocused; -Position = (View.actionablemode && view.actionposition) | |lastfocused; +         //determines whether the clicked element is a scroll bar, and if so, does nothing A         if(!position | | lastfocused = = = ' ScrollBar ')) { at             return; -         } -  - context.setposition (Position.record, position.column); -Mousedownevent.position =context; - Me.attachclosestcell (mousedownevent); in  -         //If We is not already on that position, set position there. to         if(!me.position.isEqual (context)) { +Me.setposition (Context,NULL, mousedownevent); -         } the     } *});

EXT Js 6.2.1 Classic grid scroll bar bug Solution