flash + create instance of movie clip from array

Posted on 2006-06-09
Last Modified: 2012-06-27
I have an array of names, i want to dynamically create one instance of a movie clip for each name in the array, the movieclip is a simple rectangle box.  Also once the instance is created i want the name from the array to be displayed inside the rectangle

how would i do this.

Question by:dkilby
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Expert Comment

Comment Utility

Assuming there is a label or textbox or dynamic text box called "myText" in the movieclip...

for (i=0; i<myArray.length; i++) {
    this.createClassObject(eval(myArray[i]), myArray[i] + "inst", 1, {_x:0, _y:0, ...});
    eval(myArray[i] + "inst").myText.text = myArray[i];

That should do it. This assumes that there are objects in your library with the names contained in "myArray".


Accepted Solution

madgett earned 500 total points
Comment Utility
To do the whole thing dynamically in code you would use this approach (you can replace the values in the "myArr" with your array's values):

// a container for your rectangles
var rect_mc:MovieClip = this.createEmptyMovieClip("rect_mc", 0);
var myArr:Array = new Array("Rect 1", "Rectangle 2", "Rect 3");
// loop through array and create rectangle
for (var i = 0; i<myArr.length; ++i)
      // create dynamic movieclip
      var dynRect_mc:MovieClip = rect_mc.createEmptyMovieClip("dynRect_mc"+i, i);
      // create textfield
      dynRect_mc.createTextField("label_txt", 1, 0, 0, 0, 0);
      var label_txt:TextField = dynRect_mc.label_txt;
      label_txt.autoSize = true;
      // assign the text stored in the array to the textfield
      label_txt.text = myArr[i];
      // create rectangle background
      var bg_mc:MovieClip = dynRect_mc.createEmptyMovieClip("bg_mc", 0);
      // specify rectangle width/height
      var w:Number;
      var h:Number = 25;
      // calculate the width dynamically
      w = label_txt._width+20;
      // if you want each rectangle to have the same width then just set w = 50 or some other number
      with (bg_mc)
            // border
            lineStyle(1, 0x333333, 100);
            // color of the fill
            beginFill(0x006699, 60);
            lineTo(w, 0);
            lineTo(w, h);
            lineTo(0, h);
            lineTo(0, 0);
      // center text inside rectangle
      label_txt._x = (bg_mc._width-label_txt._width)/2;
      label_txt._y = (bg_mc._height-label_txt._height)/2;
      // finally, position the rectangle
      var offsetY:Number = 10;
      dynRect_mc._y = i*(dynRect_mc._height+offsetY);

Author Comment

Comment Utility

the code works great is there anyway of add actionscript dynamically to each of the movie clips it would be the same for each one.

i want the ability to drag the rectangles around so i just want to add something like


to each movieclip



Expert Comment

Comment Utility
Yeah, to do that you would add this code at the end (after: dynRect_mc._y = i*(dynRect_mc._height+offsetY);)

dynRect_mc.onPress = function()
dynRect_mc.onRelease = function()

Author Comment

Comment Utility
works perfect, thanks for all your help

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