Rails spinoffs - Feb 2006 - Stupid drag/drop add on

To constraint the movement to a specific area, I added the following lines in
dragdrop.js
This will allow you to specify: area: [2,3,100,120] 
to draw a rectangular area where movement is allowed...
might have very strange side effects, just needed a quick/dirty hack. Plus I
installed script.aculo.us just 10 minutes ago :)
Don''t flame pls.
Manuele


line:202 (please note the "," after snap: false)
      snap: false,   // false, or xy or [x,y] or function(x,y){ return [x,y] }
      area: false // false, or [x,y,offsetX,offsetY]

line:357

    var style = this.element.style;
    if (this.options.area) {
     if (p[0] < this.options.area[0]) p[0] = this.options.area[0];
     if (p[0] > this.options.area[0]+this.options.area[2]) p[0] =
this.options.area[0]+this.options.area[2];
     if (p[1] < this.options.area[1]) p[1] = this.options.area[1];
     if (p[1] > this.options.area[1]+this.options.area[3] ) p[1] =
this.options.area[1]+this.options.area[3];
    }

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You can use the snap option with a function for this (and even more  
complicated variants),
see the last example in:

test/functional/dragdrop6_test.html

(comes with the script.aculo.us download).

-Thomas

Am 03.02.2006 um 02:45 schrieb Manuele:
> To constraint the movement to a specific area, I added the  
> following lines in dragdrop.js
> This will allow you to specify: area: [2,3,100,120]
> to draw a rectangular area where movement is allowed...
> might have very strange side effects, just needed a quick/dirty  
> hack. Plus I installed script.aculo.us just 10 minutes ago :)
> Don''t flame pls.
> Manuele
>
>
> line:202 (please note the "," after snap: false)
>       snap: false,   // false, or xy or [x,y] or function(x,y) 
> { return [x,y] }
>       area: false // false, or [x,y,offsetX,offsetY]
>
> line:357
>
>     var style = this.element.style;
>     if (this.options.area) {
>      if (p[0] < this.options.area[0]) p[0] = this.options.area[0];
>      if (p[0] > this.options.area[0]+this.options.area[2]) p[0] =  
> this.options.area[0]+this.options.area[2];
>      if (p[1] < this.options.area[1]) p[1] = this.options.area[1];
>      if (p[1] > this.options.area[1]+this.options.area[3] ) p[1] =  
> this.options.area[1]+this.options.area[3];
>     }
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> Rails-spinoffs mailing list
> Rails-spinoffs-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
> http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs


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