handler to connect buttons with a line

[Kresten Bjerg]

To James
Thank you for new reply to my first question
Because month-shift and time-differences you missed my followup:
I repeat it here
The previous replies suggested to produce new buttons and  specify new scripts 
for the buttons.
But the buttons will  already be named and produced by the user and come with a 
script of their own, with mouseups,  Mousewithin, mousestilldown and doomed 
before user will get to line-connect them.
The solution therefore has to follow another way, suggested outside this list 
by Mark Schonewille, and by Glen Boysza, namely to organize using only the 
custom property functions.
Thus, what I need is a "superior" handler, which will permit the user to pair 
and  "bond" their own  buttons in a flexible network :  a handler, (to place in 
a special button), which can implement all  such  pairings:

a)  direct user of standalone to click first button, then to  click second 
button, (select two arbitrary buttons)

b)  create their connecting line

c)   put the two button IDs into line customvariable and

d)   lineID into the customvariables of each of the two buttons (without 
deleting previous lineIDs !)

Unfortunately I don't have the skills to script this, - so I am hoping someone 
on the list, with better skills,  might give it a try.

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Re: handler to connect buttons with a line

[James Hurley]

Correction: That should have been n * (n-1)/2 connecting lines. Same as the 
number of hand shakes among n people.  :-)

Jim


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Re: handler to connect buttons with a line

[James Hurley]

Kresten,

I think I understand. The card script below will create n button and n * (n-1) 
connecting  lines.

As the buttons are moved the connecting lines follow.

Jim Hurley

local myNAME, n

on mouseDown
   put the  short name of the target into myName
   put 5 into n
   repeat with i = 1 to n
  put "radio"& i into tName
  if there is no button tName then
 create button tName
 set the style of button tName to "radioButton"
 set the width of button tName to 20
 set the loc of button tName to 20 + i*40,20
 set the borderWidth of button tName to 0
  end if 
   end repeat
   
   repeat with i = 1 to n
  repeat with j = i+1 to n
 put "line" & i & j into tName
 if there is no grc tName then
create grc tName
set the style of grc tName to "line"
set the layer of grc tName to bottom
 end if
  end repeat
   end repeat
end mouseDown

on mouseMove x,y
   if myName is "" then exit mouseMove
   if not (myName  contains "radio")  then exit mouseMove
   set the loc of button myName to x,y
   repeat with i = 1 to n
  put "radio" & i into tStart
  repeat with j = i+1 to n
 put "radio" & j into tEnd
 put "line" & i & j into tName
 set the points of grc tName to the loc of button tStart & cr & the loc 
of button tEnd
  end repeat
   end repeat
end mouseMove

On mouseUp
   put  "" into myName
end mouseUp

on MouseLeave
   put "" into myName
end MouseLeave


> --------------
> 
> Message: 6
> Date: Mon, 31 Oct 2011 15:38:03 +0100
> From: Kresten Bjerg 
> To: "use-livecode@lists.runrev.com" 
> Subject: handler to connect buttons with a line
> Message-ID:
>   <8962f0e4bd055148aa4051d91f7eb4a908f13c6...@ibtmail2a.ibt.ku.dk.ad>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hello
> I have been experimenting to create a handler (as button or menu), which will 
> permit user
> 
> a)  To select two existing moveable button
> 
> b)  Create a line, attaching its endpoints to the buttons, so line will 
> stay between them wherever they are positioned on the card.
> 
> c)   It is important that same button can be connected to more buttons, 
> thus creating a simple user-built and editable mindmap.
> My experiments - I am lousy as a programmer - have  been of no avail.
> Could somebody help, and sketch a handler ?
> The context is that of extending the functionalities of a freeware 
> patient/citizen diary  www.phenomenalog.dk<http://www.phenomenalog.dk>
> Best regards
> Kresten Bjerg  kresten.bj...@psy.ku.dk<mailto:kresten.bj...@psy.ku.dk>
> 


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handler to connect buttons with a line

[Kresten Bjerg]

Thank you for replies to my first question (I repeat it, as October postings 
not included here) :

"I have been experimenting to create a handler (as button or menu), which will 
permit user
a)To select two existing moveable button
b)Create a line, attaching its endpoints to the buttons, so line will stay 
between them wherever they are positioned on the card.
c)It is important that same button can be connected to more buttons, thus 
creating a simple user-built and editable mindmap.
My experiments - I am lousy as a programmer - have  been of no avail.
Could somebody help, and sketch a handler ?
The context is that of extending the functionalities of a freeware 
patient/citizen diary  www.phenomenalog.dk "

The previous replies suggested to specify new scripts for the buttons, but the 
buttons are named and produced by the user and come with a script of their own, 
with mouseups,  Mousewithin, mousestilldown and doomed.
The solution therefore has to follow another way, suggested outside this list 
by Mark Schonewille, and by Glen Boysza, namely to organize using only the 
custom property functions.
Thus, what I need is a "superior" handler, which will permit the user to pair 
and  "bond" their buttons in a flexible network :  a handler, to place in a 
special button, which can implement all  such  pairings:

a)  direct user to click first button, then
b) to  click second button,

b)  create their connecting line

c)   put the two button IDs into line customvariable and

d)   lineID into the customvariables of each of the two buttons (without 
deleting previous lineIDs !)

Unfortunately I don't have the skills to script this, - so I am hoping someone 
on the list, with better skills,  might give it a try.

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Re: handler to connect buttons with a line

[André Bisseret]

Bonjour Richmond,

Vraiment très joli !

André


Le 31 oct. 2011 à 20:20, Richmond a écrit :

> if you adjust this:
> 
> on mouseDown
>  grab me
> end mouseDown
> 
> to this:
> 
> on mouseDown
>  grab me
> set the idleRate to 1
> end mouseDown
> 
> you get fairly spiffy results!
> 


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Re: handler to connect buttons with a line

[Richmond]

if you adjust this:

on mouseDown
  grab me
end mouseDown

to this:

on mouseDown
  grab me
set the idleRate to 1
end mouseDown

you get fairly spiffy results!

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Re: handler to connect buttons with a line

[Richmond]

Cop a load of this:

put this script in "Button":

on mouseDown
  grab me
end mouseDown

on mouseStillDown
  put the mouseLoc into VL1
  set the loc of me to VL1
  put the loc of btn "Button" into line 1 of fld "VL"
  put the loc of btn "Button1" into line 2 of fld "VL"
  set the points of graphic "line" to fld "VL"
end mouseStillDown

on mouseUp
  put the mouseLoc into VL1
  set the loc of me to VL1
  put the loc of btn "Button" into line 1 of fld "VL"
  put the loc of btn "Button1" into line 2 of fld "VL"
  set the points of graphic "line" to fld "VL"
end mouseUp

and, surprise, surprise, this script in "Button1":

on mouseDown
  grab me
end mouseDown

on mouseStillDown
  put the mouseLoc into VL2
  set the loc of me to VL2
  put the loc of btn "Button" into line 1 of fld "VL"
  put the loc of btn "Button1" into line 2 of fld "VL"
  set the points of graphic "line" to fld "VL"
end mouseStillDown

on mouseUp
  put the mouseLoc into VL2
  set the loc of me to VL2
  put the loc of btn "Button" into line 1 of fld "VL"
  put the loc of btn "Button1" into line 2 of fld "VL"
  set the points of graphic "line" to fld "VL"
end mouseUp

Still fairly clunky, but a lot better than my first effort. The secret 
lies in the 'mouseStillDown' thing .. . :)


Richmond.

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Re: handler to connect buttons with a line

[Richmond]

On 10/31/2011 07:25 PM, Jim Lambert wrote:

Kresten,


  Create a line, attaching its endpoints to the buttons, so line will stay 
between them wherever they are positioned on the card.

Well, it doesn't feature live updating, by I did thi2:

created a card, with a graphic object "Line", and 2 buttons, "Button" 
and "Button1" respectively [I made
them 24 x 24 squares, set their labels to an empty space and coloured 
them red].


made a field called "VL'

put this script in "Button":

on mouseDown
  grab me
end mouseDown

on mouseUp
  put the mouseLoc into VL1
  set the loc of me to VL1
  put the loc of btn "Button" into line 1 of fld "VL"
  put the loc of btn "Button1" into line 2 of fld "VL"
  set the points of graphic "line" to fld "VL"
end mouseUp

and, surprise, surprise, this script in "Button1":

on mouseDown
  grab me
end mouseDown

on mouseUp
  put the mouseLoc into VL2
  set the loc of me to VL2
  put the loc of btn "Button" into line 1 of fld "VL"
  put the loc of btn "Button1" into line 2 of fld "VL"
  set the points of graphic "line" to fld "VL"
end mouseUp


if you are really excited about this (har, har) I can send you the stack 
off-list.

Although it would be dead easy to do it yourself.

Richmond.

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Re: handler to connect buttons with a line

[Malte Brill]

Hi Kersten,

on card level:

on moveControl
   set the points of grc 1 to the loc of btn 1&cr&the loc of btn 2
end moveControl

This is not moving the line while dragging though. Stuff to handle that indedd 
is in AE (Thanks for the plug Jim!)

Cheers,

Malte

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Re: handler to connect buttons with a line

[Jim Lambert]

Kresten,

>  Create a line, attaching its endpoints to the buttons, so line will stay 
> between them wherever they are positioned on the card.


I believe there are such handlers in the AnimationEngine library.

Jim Lambert


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handler to connect buttons with a line

[Kresten Bjerg]

Hello
I have been experimenting to create a handler (as button or menu), which will 
permit user

a)  To select two existing moveable button

b)  Create a line, attaching its endpoints to the buttons, so line will 
stay between them wherever they are positioned on the card.

c)   It is important that same button can be connected to more buttons, 
thus creating a simple user-built and editable mindmap.
My experiments - I am lousy as a programmer - have  been of no avail.
Could somebody help, and sketch a handler ?
The context is that of extending the functionalities of a freeware 
patient/citizen diary  www.phenomenalog.dk
Best regards
Kresten Bjerg  kresten.bj...@psy.ku.dk

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