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rem ' getDragEnabled
sysgui=unt
open (sysgui)"X0"
sysgui!=BBjAPI().getSysGui()
parent_id=0
node_id=100
DIM MUSIC$[2,4]
MUSIC$[0,0]="The Beatles"
MUSIC$[0,1]="Hey Jude"
MUSIC$[0,2]="Let It Be"
MUSIC$[0,3]="Twist and Shout"
MUSIC$[0,4]="Yesterday"
MUSIC$[1,0]="Paul Simon"
MUSIC$[1,1]="Bridge Over Troubled Waters"
MUSIC$[1,2]="Hearts and Bones"
MUSIC$[1,3]="Kathy's Song"
MUSIC$[1,4]="The Sound of Silence"
MUSIC$[2,0]="Willie Nelson"
MUSIC$[2,1]="Always On My Mind"
MUSIC$[2,2]="Getting Over You"
MUSIC$[2,3]="Old Fords and Natural Stone"
MUSIC$[2,4]="This Morning"
window!=sysgui!.addWindow(200,200,300,250,"Musical Tree",$0093$,$$)
tree!=window!.addTree(101,0,0,300,250)
tree!.setDragEnabled(0)
dragEnabled = tree!.getDragEnabled()
tree!.setRoot(parent_id,"Musical Tree")
FOR ARTIST=0 TO 2
node_id=node_id+1
tree!.addExpandableNode(node_id,parent_id,MUSIC$[ARTIST,0])
song_parent_id=node_id
FOR SONG=1 TO 4
node_id=node_id+1
tree!.addNode(node_id,song_parent_id,MUSIC$[ARTIST,SONG])
NEXT SONG
NEXT ARTIST
window!.setVisible(1)
CALLBACK(ON_TREE_SELECT,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_DESELECT,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_EXPAND,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_COLLAPSE,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_EDIT_STOP,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_MOUSE_UP,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_MOUSE_DOWN,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_DOUBLE_CLICK,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_RIGHT_MOUSE_UP,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_TREE_RIGHT_MOUSE_DOWN,TREE_MOUSE,sysgui!.getContext(),tree!.getID())
CALLBACK(ON_CLOSE,APP_CLOSE,sysgui!.getContext())
PROCESS_EVENTS
tree_mouse:
dim event$:tmpl(sysgui),generic$:noticetpl(0,0)
event$=sysgui!.getLastEventString()
generic$=notice(sysgui,event.x)
dim notice$:noticetpl(generic.objtype,event.flags)
notice$=generic$
switch notice.code
case 1; print "Node",notice.node," selected"; break
case 2; print "Node",notice.node," deselected"; break
case 3; print "Node",notice.node," expanded"; break
case 4; print "Node",notice.node," collapsed"; break
case 5; print "Node",notice.node," editing stopped"; break
case 6; if notice.lparam then print "Mouse down" else print "Mouse up" fi; break
case 7; print "Mouse double click"; break
case 8; if notice.lparam then print "Right mouse down" else print "Right mouse up" fi; break
print "Unknown event",notice.code
swend
return
APP_CLOSE:
RELEASE
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