Attachment #11838 for bug #34483

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    /** User is starting to drag over us */
    public void dragEnter (DropTargetDragEvent dtde) {
        checkStoredGlassPane ();
        // set a status and cursor of dnd action
        doDragOver (dtde);
    }
    
    /** User drags over us */
    public void dragOver (DropTargetDragEvent dtde) {
        // bugfix #34483; w2k could calls dragOver() before dragEnter()
        // this check make dragOver/Enter more robust
        checkStoredGlassPane ();
        // set a status and cursor of dnd action
        doDragOver (dtde);
    }
    
    private void checkStoredGlassPane () {
        // remember current glass pane to set back at end of dragging over this compoment
        if (!DropGlassPane.isOriginalPaneStored ()) {
            Component comp = tree.getRootPane ().getGlassPane ();

            dropPane.revalidate();
            dropPane.setVisible (true);
        }
        // set a status and cursor of dnd action
        doDragOver (dtde);
    }
    
    /** User drags over us */
    public void dragOver (DropTargetDragEvent dtde) {
        // set a status and cursor of dnd action
        doDragOver (dtde);
    }

    /** Process events dragEnter or dragOver. */

Return to bug 34483

Lines 97-103 Link Here

(-)src/org/openide/explorer/view/TreeViewDropSupport.java (-9 / +15 lines)
97		97
98	/** User is starting to drag over us */	98	/** User is starting to drag over us */
99	public void dragEnter (DropTargetDragEvent dtde) {	99	public void dragEnter (DropTargetDragEvent dtde) {
100		100	checkStoredGlassPane ();
		101	// set a status and cursor of dnd action
		102	doDragOver (dtde);
		103	}
		104
		105	/** User drags over us */
		106	public void dragOver (DropTargetDragEvent dtde) {
		107	// bugfix #34483; w2k could calls dragOver() before dragEnter()
		108	// this check make dragOver/Enter more robust
		109	checkStoredGlassPane ();
		110	// set a status and cursor of dnd action
		111	doDragOver (dtde);
		112	}
		113
		114	private void checkStoredGlassPane () {
101	// remember current glass pane to set back at end of dragging over this compoment	115	// remember current glass pane to set back at end of dragging over this compoment
102	if (!DropGlassPane.isOriginalPaneStored ()) {	116	if (!DropGlassPane.isOriginalPaneStored ()) {
103	Component comp = tree.getRootPane ().getGlassPane ();	117	Component comp = tree.getRootPane ().getGlassPane ();
Lines 110-123 Link Here
110	dropPane.revalidate();	124	dropPane.revalidate();
111	dropPane.setVisible (true);	125	dropPane.setVisible (true);
112	}	126	}
113	// set a status and cursor of dnd action
114	doDragOver (dtde);
115	}
116
117	/** User drags over us */
118	public void dragOver (DropTargetDragEvent dtde) {
119	// set a status and cursor of dnd action
120	doDragOver (dtde);
121	}	127	}
122		128
123	/** Process events dragEnter or dragOver. */	129	/** Process events dragEnter or dragOver. */