?/* Compile using: mxmlc --target-player=10.0.0 ZeroClipboard.as */
package {
import flash.display.Stage;
import flash.display.Sprite;
import flash.display.LoaderInfo;
import flash.display.StageScaleMode;
import flash.events.*;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.external.ExternalInterface;
import flash.system.Security;
import flash.utils.*;
import flash.system.System;
import flash.net.FileReference;
import flash.net.FileFilter;
public class ZeroClipboard extends Sprite {
private var domId:String = '';
private var button:Sprite;
private var clipText:String = 'blank';
private var fileName:String = '';
private var action:String = 'copy';
private var incBom:Boolean = true;
private var charSet:String = 'utf8';
public function ZeroClipboard() {
// constructor, setup event listeners and external interfaces
stage.scaleMode = StageScaleMode.EXACT_FIT;
flash.system.Security.allowDomain("*");
// import flashvars
var flashvars:Object = LoaderInfo( this.root.loaderInfo ).parameters;
domId = flashvars.id.split("\\").join("\\\\");
// invisible button covers entire stage
button = new Sprite();
button.buttonMode = true;
button.useHandCursor = true;
button.graphics.beginFill(0x00FF00);
button.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
button.alpha = 0.0;
addChild(button);
button.addEventListener(MouseEvent.CLICK, clickHandler);
button.addEventListener(MouseEvent.MOUSE_OVER, function(event:Event):void {
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'mouseOver', null );
} );
button.addEventListener(MouseEvent.MOUSE_OUT, function(event:Event):void {
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'mouseOut', null );
} );
button.addEventListener(MouseEvent.MOUSE_DOWN, function(event:Event):void {
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'mouseDown', null );
} );
button.addEventListener(MouseEvent.MOUSE_UP, function(event:Event):void {
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'mouseUp', null );
} );
// External functions - readd whenever the stage is made active for IE
addCallbacks();
stage.addEventListener(Event.ACTIVATE, addCallbacks);
// signal to the browser that we are ready
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'load', null );
}
public function addCallbacks (evt:Event = null):void {
ExternalInterface.addCallback("setHandCursor", setHandCursor);
ExternalInterface.addCallback("clearText", clearText);
ExternalInterface.addCallback("setText", setText);
ExternalInterface.addCallback("appendText", appendText);
ExternalInterface.addCallback("setFileName", setFileName);
ExternalInterface.addCallback("setAction", setAction);
ExternalInterface.addCallback("setCharSet", setCharSet);
ExternalInterface.addCallback("setBomInc", setBomInc);
}
public function setCharSet(newCharSet:String):void {
if ( newCharSet == 'UTF16LE' ) {
charSet = newCharSet;
} else {
charSet = 'UTF8';
}
}
public function setBomInc(newBomInc:Boolean):void {
incBom = newBomInc;
}
public function clearText():void {
clipText = '';
}
public function appendText(newText:String):void {
clipText += newText;
}
public function setText(newText:String):void {
clipText = newText;
}
public function setFileName(newFileName:String):void {
fileName = newFileName;
}
public function setAction(newAction:String):void {
action = newAction;
}
public function setHandCursor(enabled:Boolean):void {
// control whether the hand cursor is shown on rollover (true)
// or the default arrow cursor (false)
button.useHandCursor = enabled;
}
private function clickHandler(event:Event):void {
var fileRef:FileReference = new FileReference();
fileRef.addEventListener(Event.COMPLETE, saveComplete);
if ( action == "save" ) {
/* Save as a file */
if ( charSet == 'UTF16LE' ) {
fileRef.save( strToUTF16LE(clipText), fileName );
} else {
fileRef.save( strToUTF8(clipText), fileName );
}
} else if ( action == "pdf" ) {
fileRef.save( "This instance of ZeroClipboard is not configured for PDF export. "+
"Please use the PDF export version.", fileName+".txt" );
} else {
/* Copy the text to the clipboard. Note charset and BOM have no effect here */
System.setClipboard( clipText );
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'complete', clipText );
}
}
private function saveComplete(event:Event):void {
ExternalInterface.call( 'ZeroClipboard_TableTools.dispatch', domId, 'complete', clipText );
}
private function getProp( prop:String, opts:Array ):String
{
var i:int, iLen:int;
for ( i=0, iLen=opts.length ; i<iLen ; i++ )
{
if ( opts[i].indexOf( prop+":" ) != -1 )
{
return opts[i].replace( prop+":", "" );
}
}
return "";
}
/*
* Function: strToUTF8
* Purpose: Convert a string to the output utf-8
* Returns: ByteArray
* Inputs: String
*/
private function strToUTF8( str:String ):ByteArray {
var utf8:ByteArray = new ByteArray();
/* BOM first */
if ( incBom ) {
utf8.writeByte( 0xEF );
utf8.writeByte( 0xBB );
utf8.writeByte( 0xBF );
}
utf8.writeUTFBytes( str );
return utf8;
}
/*
* Function: strToUTF16LE
* Purpose: Convert a string to the output utf-16
* Returns: ByteArray
* Inputs: String
* Notes: The fact that this function is needed is a little annoying. Basically, strings in
* AS3 are UTF-16 (with surrogate pairs and everything), but characters which take up less
* than 8 bytes appear to be stored as only 8 bytes. This function effective adds the
* padding required, and the BOM
*/
private function strToUTF16LE( str:String ):ByteArray {
var utf16:ByteArray = new ByteArray();
var iChar:uint;
var i:uint=0, iLen:uint = str.length;
/* BOM first */
if ( incBom ) {
utf16.writeByte( 0xFF );
utf16.writeByte( 0xFE );
}
while ( i < iLen ) {
iChar = str.charCodeAt(i);
if ( iChar < 0xFF ) {
/* one byte char */
utf16.writeByte( iChar );
utf16.writeByte( 0 );
} else {
/* two byte char */
utf16.writeByte( iChar & 0x00FF );
utf16.writeByte( iChar >> 8 );
}
i++;
}
return utf16;
}
}
}
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