Drag and Switch

 

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Click and drag sprite to another sprite with this behavior attached to it. The dragged sprite will be topmost among the other sprites that have this behavior when you drag it. Once you drop it on another sprite with this behavior, the script will swap the reg points of the two sprites.

-- DRAG AND SWITCH -- This behavior is based on the DRAGGABLE behavior in the D8 library and also uses -- code by John Dowdell at --http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm. -- Click and drag sprite to another sprite with this behavior attached to it. -- The dragged sprite will be topmost among the other sprites that have this behavior when you drag it. -- Once you drop it on another sprite with this behavior, the script will swap the reg points of the two sprites. -- 16 Nov DP - incorporated JN fix for compatibility with Draw Connector -- v1 - 7 October 1998 by Darrel Plant -- Modified 1 February, 1999 by A.M. Kelsey -- 7 January 2000 Added isOkToAttach J.Powers -- 27 September 2000 incorporated and extended code from --http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm, Jim Andrews, jim@vispo.com -- to make dragged sprite topmost and to swap the two sprites. on getBehaviorDescription me   return \     "DragAndSwitch" & RETURN & RETURN & "Makes sprite respond to clicking and dragging the mouse button, similar to setting the draggable property of the sprite. " & "Also, stays topmost among other sprites with this behavior. Dragged sprite will be topmost among all sprites as long as you" & "have fewer than 5000 sprites in your movie. When dropped on another sprite with this behavior, reg points swap." & "Sprite movement may constrained to the stage area." & RETURN & RETURN & "PERMITTED MEMBER TYPES:" & RETURN & "Graphic members" & RETURN & RETURN & "If using with digital video or other sprites in which Direct to Stage is an option, disable Direct to Stage for best results." & RETURN & RETURN & "PARAMETERS:" & RETURN & "* Constrain to stage?" end getBehaviorDescription on getBehaviorTooltip me   return \     "Makes a sprite draggable. Also, stays topmost among other sprites with this " & "behavior. When dropped on another sprite with this behavior, the two sprites" & "will swap reg points ." end getBehaviorTooltip -- PROPERTIES -- property pSprite               -- sprite object property pLocOffset            -- offset of click from sprite loc property pActive               -- activity flag -- author-defined properties property pConstrained          -- constrain to stage flag -- The following three properties were added to extend the draggable behavior (in the Dir 8 library) in such a way -- that the dragged sprite will be topmost among other sprites with this behavior. Also, when the dragged sprite is -- dragged onto another sprite with this behavior, the script will locate the sprite number of the sprite on which -- the first was dropped and swap the reg points of the two sprites. property ourSiblingList --see http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm property myPlace --records the place in ourSiblingList where the current sprite is located property initialLocation --used to record the location of the dragged sprite when it is first moused down. -- EVENT HANDLERS -- on beginSprite me   -- gHighestLocz is used to set locZ of dragged sprite. As long as you don't have 5000 or more   -- sprites in your movie, the dragged sprite will always be topmost in the movie.   global gHighestLocZ   if gHighestLocZ=VOID then     gHighestLocz=5000   end if   --see http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm   --for info on the role of the sendAllSprites line below. Essentially, all sprites with this   --behavior register on beginSprite to facilitate communications amongst them.   sendAllSprites(#JRegistrationExample_GetSiblings, [])   -- determine sprite object reference   pSprite = sprite (me.spriteNum)   vMember = pSprite.member   case vMember.type of     #animGIF, #flash, #QuickTimeMedia, #digitalvideo, #vectorShape:       if vMember.directtostage then         alert "Sprite" && pSprite.spriteNum & \         ": Direct To Stage media may cause" && \         "playback problems with the 'Moveable Sprite' behavior."       end if   end case   -- set activity flag   pActive = FALSE end beginSprite on endSprite me   --see http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm   deleteOne(ourSiblingList, me) end on mouseUp me   -- turn off activity flag when mouse is released   mDrag FALSE   --see http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm   --The first sprite in ourSiblingList is checked first, then the second, etc.   --me.initialLocation is the location of the dragged sprite on mousedown,ie, just before it is dragged.   call(#SwapTheRegPoints, ourSiblingList[1], me.spritenum, the mouseV, the mouseH, me.initialLocation) end mouseUp on mouseDown me   global gHighestLocz   --increment to make dragged sprite topmost   gHighestLocZ=gHighestLocZ +1   sprite(me.spritenum).locZ=gHighestLocZ   me.initialLocation=sprite(me.spritenum).loc   -- turn on activity flag when mouse is clicked   mDrag TRUE end mouseUp on prepareFrame me   -- if mouse has somehow moved off of sprite and been released   -- turn off activity flag   if the mouseUp then mDrag FALSE   -- if active, move sprite to follow cursor   if pActive then     mDragSprite me   end if end prepareFrame -- CUSTOM HANDLERS -- on JRegistrationExample_GetSiblings me, collectionList   --see http://www.macromedia.com/support/director/ts/documents/mutual_behavior_registratio.htm   set ourSiblingList to collectionList   add ourSiblingList, me   me.myPlace=ourSiblingList.count --this is used in SwapTheRegPoints end on SwapTheRegPoints me, caller, mv, mh, initialDragSpriteLocation   --if the mouse is in the current sprite and the current sprite is not the sprite that was dragged then...   if (sprite(me.spritenum).right >= mh) and (sprite(me.spritenum).left<=mh) and (sprite(me.spritenum).bottom >= mv) and (sprite(me.spritenum).top<=mv) and (caller<>me.spritenum)then     --put code here that operates on the caller sprite (the dragged sprite) and the sprite to which ist was dragged.     --currently what happens is that this code changes the location of the two sprites.     temp=sprite(me.spritenum).loc     sprite(me.spritenum).loc=initialDragSpriteLocation     sprite(caller).loc=temp   else     if me.myPlace< ourSiblingList.count then       --the above condition makes sure no more calls are made when at the end of ourSiblingList.       --Calls are made to SwapTheRegPoints until the target sprite is found or the end of the list is reached, whichever comes first.       call(#SwapTheRegPoints, ourSiblingList[me.myPlace+1], caller, mv, mh, initialDragSpriteLocation)     else       sprite(caller).loc=initialDragSpriteLocation     end if   end if end on mDrag vActive   -- set activity flag   pActive = vActive   -- find distance from sprite loc to mouse click   pLocOffset = pSprite.loc - the mouseLoc   -- inform other behaviors of current state   sendAllSprites (#Active_Sprite, the currentSpriteNum * pActive) end mDrag on mDragSprite   -- move sprite to cursor location offset by difference between   -- original click and sprite loc   pSprite.loc = the mouseLoc + pLocOffset   if pConstrained then     vLeftDiff = pSprite.rect.left     if vLeftDiff < 0 then       pSprite.locH = pSprite.locH - vLeftDiff     end if     vRightDiff = pSprite.rect.right - the stage.rect.width     if vRightDiff > 0 then       pSprite.locH = pSprite.locH - vRightDiff     end if     vTopDiff = pSprite.rect.top     if vTopDiff < 0 then       pSprite.locV = pSprite.locV - vTopDiff     end if     vBottomDiff = pSprite.rect.bottom - the stage.rect.height     if vBottomDiff > 0 then       pSprite.locV = pSprite.locV - vBottomDiff     end if   end if end mDragSprite -- INTER-BEHAVIOR COMMUNICATION on Forwarded_mouseDown me   -- turn on activity flag when mouse click is initially   -- intercepted by another behavior and forwarded   if not pActive then     mDrag TRUE   end if   return the currentSpriteNum end Forwarded_mouseDown -- AUTHOR-DEFINED PARAMETERS -- on isOKToAttach (me, aSpriteType, aSpriteNum)   return aSpriteType = #Graphic end on getPropertyDescriptionList   vPDList = [:]   setaProp vPDList, #pConstrained, [#comment: "Constrain to stage", \     #format: #boolean, #default: TRUE]   return vPDList end getPropertyDescriptionList

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