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12 very simple,basic but useful function source in Flex
2008-04-19 13:44:27 by minidxer in Ntt.cc
 

girl-128x128No matter what kind language using programmer will always accumulate many useful and daily using function with rich in development experience day by day. And then the accumulation become to a library at last. Of course it’s include the flex programmers. Following is some very basic, very simple functions which I’ve collected. How about you? If have any proudly and recommendable functions? Then, don’t only stock in your head, leave your comments. Let’s share. 

No.1 Copy content to clipboard:

  1. System.setClipboard(strContent);

No.2 Clone an ArrayCollection:

  1. //dummy solution( well, it works )
  2. var bar:ArrayCollection = new ArrayCollection();
  3. for each ( var i:Object in ac ){ 
  4. bar.addItem( i );
  5. } 
  6. // fantastic ! //
  7. var bar:ListCollectionView = new ListCollectionView( ListCollectionView( ac ).list );

No.3 Open URL:

  1. navigateToURL(new URLRequest('http://ntt.cc'), '_blank'

No.4 Page reload:

  1. navigateToURL(new URLRequest("javascript:location.reload();"),"_self")

No.5 Close browse:

  1. navigateToURL(new URLRequest("javascript:window.close()"),"_self");

No.6 Set the background alpha to transparent on Alert window:

  1. Alert 
  2. { 
  3. modalTransparency:0.0;  
  4. modalTransparencyBlur:0;
  5. }

No.7 Set random color：

  1. lbl.setStyle('color', 0xffffff*Math.random());

No.8 Trim left of white space

  1. public function LTrim(s : String):String 
  2. { 
  3.   var i : Number = 0;
  4.   while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 || s.charCodeAt(i) == 9) 
  5.   { 
  6.     i++;
  7.   } 
  8.   return s.substring(i,s.length);
  9. }

No.9 Trim right of white space

  1. public function RTrim(s : String):String 
  2. { 
  3.   var i : Number = s.length - 1;
  4.   while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 ||s.charCodeAt(i) == 9) 
  5.   { 
  6.     i--;
  7.   } 
  8.   return s.substring(0,i+1);
  9. }

No.10 Trim left and right of white space

  1. public function Trim(s : String):String 
  2. { 
  3.   return LTrim(RTrim(s));
  4. }

No.11 get date type:

  1. getQualifiedClassName(data)

No.12 Generate check digits

  1. private function GenerateCheckCode():String 
  2. { 
  3.     //init
  4.     var ran:Number;
  5.     var number:Number;
  6.     var  code:String;
  7.     var checkCode:String ="";
  8.     //get 4 radom
  9.    for(var i:int=0; i<4; i++) 
  10.    { 
  11.        ran=Math.random();
  12.        number =Math.round(ran*10000);            //get result like 0.1234
  13.        if(number % 2 == 0) 
  14.          code = String.fromCharCode(48+(number % 10));        //0's ASCII code is 48
  15.        else 
  16.          code = String.fromCharCode(65+(number % 26)) ;        // A's ASCII code is 65
  17.        checkCode += code;
  18.    } 
  19.    return checkCode;
  20. }

 
Tags: function, public function trim, rtrim, public function rtrim, code, return ltrim, charcodeat, ascii code, return
 
 
 
 
 


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