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Added support for base64, and added MooTools helper from David Walsh
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Added support for an additional callback per Downloadify instance
called `dataType`. It defaults to "string" if not specified, but
it can also return "base64". Base64 strings will be decoded before
saving in Flash.

Added a MooTools helper put together by David Walsh (davidwalsh.name)
to compliment the jQuery one already present in the library.
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Doug Neiner authored and Doug Neiner committed Jan 21, 2010
1 parent 5646f55 commit a5dd080
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317 changes: 163 additions & 154 deletions src/Downloadify.as
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/*
Downloadify: Client Side File Creation
JavaScript + Flash Library
Downloadify: Client Side File Creation
JavaScript + Flash Library
Copyright (c) 2009 Douglas C. Neiner
Copyright (c) 2009 Douglas C. Neiner
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package {
import flash.system.Security;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.net.FileReference;
import flash.net.FileFilter;
import flash.net.URLRequest;
import flash.display.*;
import flash.external.ExternalInterface;

[SWF(backgroundColor="#CCCCCC")]
[SWF(backgroundAlpha=0)]
public class Downloadify extends Sprite {

private var options:Object;
private var file:FileReference = new FileReference();
private var queue_name:String = "";

private var _width:Number = 0;
private var _height:Number = 0;

private var enabled:Boolean = true;
private var over:Boolean = false;
private var down:Boolean = false;

private var buttonImage:String = "images/download.png";

private var button:Loader;

public function Downloadify() {
Security.allowDomain('*');

stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;

options = this.root.loaderInfo.parameters;

queue_name = options.queue_name.toString();

_width = options.width;
_height = options.height;

if(options.downloadImage){
buttonImage = options.downloadImage;
}

setupDefaultButton();
addChild(button);

this.buttonMode = true;

this.addEventListener(MouseEvent.CLICK, onMouseClickEvent);
this.addEventListener(MouseEvent.ROLL_OVER , onMouseEnter);
this.addEventListener(MouseEvent.ROLL_OUT , onMouseLeave);
this.addEventListener(MouseEvent.MOUSE_DOWN , onMouseDown);
this.addEventListener(MouseEvent.MOUSE_UP , onMouseUp);

ExternalInterface.addCallback('setEnabled', setEnabled);

file.addEventListener(Event.COMPLETE, onSaveComplete);
file.addEventListener(Event.CANCEL, onSaveCancel);
}

private function setEnabled(isEnabled:Boolean):Boolean {
enabled = isEnabled;
if(enabled === true){
button.y = 0;
this.buttonMode = true;
} else {
button.y = (-3 * _height);
this.buttonMode = false;
}
return enabled;
}

private function setupDefaultButton():void {
button = new Loader();
var urlReq:URLRequest = new URLRequest(buttonImage);
button.load(urlReq);
button.x = 0;
button.y = 0;
}



protected function onMouseEnter(event:Event):void {
if(enabled === true){
if(down === false) button.y = (-1 * _height);
over = true;
}
}
protected function onMouseLeave(event:Event):void {
if(enabled === true){
if(down === false) button.y = 0;
over = false;
}
}
protected function onMouseDown(event:Event):void {
if(enabled === true){
button.y = button.y = (-2 * _height);
down = true;
}
}
protected function onMouseUp(event:Event):void {
if(enabled === true){
if(over === false){
button.y = 0;
} else {
button.y = (-1 * _height);
}
down = false;
}
}

protected function onMouseClickEvent(event:Event):void{
var data:String = ExternalInterface.call('Downloadify.getTextForSave',queue_name);
var filename:String = ExternalInterface.call('Downloadify.getFileNameForSave',queue_name);
if (data !== "") {
file.save(data, filename);
} else {
onSaveError();
}
}

protected function onSaveComplete(event:Event):void{
ExternalInterface.call('Downloadify.saveComplete',queue_name);
}

protected function onSaveCancel(event:Event):void{
ExternalInterface.call('Downloadify.saveCancel',queue_name);
}

protected function onSaveError():void{
ExternalInterface.call('Downloadify.saveError',queue_name);
}

}
import flash.system.Security;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.net.FileReference;
import flash.net.FileFilter;
import flash.net.URLRequest;
import flash.display.*;
import flash.utils.ByteArray;
import flash.external.ExternalInterface;
import com.dynamicflash.util.Base64;

[SWF(backgroundColor="#CCCCCC")]
[SWF(backgroundAlpha=0)]
public class Downloadify extends Sprite {

private var options:Object,
file:FileReference = new FileReference(),
queue_name:String = "",

_width:Number = 0,
_height:Number = 0,

enabled:Boolean = true,
over:Boolean = false,
down:Boolean = false,

buttonImage:String = "images/download.png",

button:Loader;

public function Downloadify() {
Security.allowDomain('*');

stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;

options = this.root.loaderInfo.parameters;

queue_name = options.queue_name.toString();

_width = options.width;
_height = options.height;

if(options.downloadImage){
buttonImage = options.downloadImage;
}

setupDefaultButton();
addChild(button);

this.buttonMode = true;

this.addEventListener(MouseEvent.CLICK, onMouseClickEvent);
this.addEventListener(MouseEvent.ROLL_OVER , onMouseEnter);
this.addEventListener(MouseEvent.ROLL_OUT , onMouseLeave);
this.addEventListener(MouseEvent.MOUSE_DOWN , onMouseDown);
this.addEventListener(MouseEvent.MOUSE_UP , onMouseUp);

ExternalInterface.addCallback('setEnabled', setEnabled);

file.addEventListener(Event.COMPLETE, onSaveComplete);
file.addEventListener(Event.CANCEL, onSaveCancel);
}

private function setEnabled(isEnabled:Boolean):Boolean {
enabled = isEnabled;
if(enabled === true){
button.y = 0;
this.buttonMode = true;
} else {
button.y = (-3 * _height);
this.buttonMode = false;
}
return enabled;
}

private function setupDefaultButton():void {
button = new Loader();
var urlReq:URLRequest = new URLRequest(buttonImage);
button.load(urlReq);
button.x = 0;
button.y = 0;
}



protected function onMouseEnter(event:Event):void {
if(enabled === true){
if(down === false) button.y = (-1 * _height);
over = true;
}
}
protected function onMouseLeave(event:Event):void {
if(enabled === true){
if(down === false) button.y = 0;
over = false;
}
}
protected function onMouseDown(event:Event):void {
if(enabled === true){
button.y = button.y = (-2 * _height);
down = true;
}
}
protected function onMouseUp(event:Event):void {
if(enabled === true){
if(over === false){
button.y = 0;
} else {
button.y = (-1 * _height);
}
down = false;
}
}

protected function onMouseClickEvent(event:Event):void{
var theData:String = ExternalInterface.call('Downloadify.getTextForSave',queue_name),
filename:String = ExternalInterface.call('Downloadify.getFileNameForSave',queue_name),
dataType:String = ExternalInterface.call('Downloadify.getDataTypeForSave',queue_name);

if (dataType == "string" && theData != "") {
file.save(theData, filename);
} else if (dataType == "base64" && theData){
file.save(Base64.decodeToByteArray(theData), filename);
} else {
onSaveError();
}
}

protected function onSaveComplete(event:Event):void{
trace('Save Complete');
ExternalInterface.call('Downloadify.saveComplete',queue_name);
}

protected function onSaveCancel(event:Event):void{
trace('Save Cancel');
ExternalInterface.call('Downloadify.saveCancel',queue_name);
}

protected function onSaveError():void{
trace('Save Error');
ExternalInterface.call('Downloadify.saveError',queue_name);
}

}
}
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