Help on Final Step for Drag and Drop Exercise

Does anyone know the best way to create a test item where the learner has to place a check mark in the correct cells and hit submit to succeed.
I was using a drag and drop but I am lost on step three.
I am using the check marks as drag sources, square shapes located in all cells will the correct cell/box assigned as the correct drop target.
The issue is when I get to step three, how do I allow the user to drag ANY checkmark (drag target) to the correct cell/box (drop target). When I get to step 3, I have to assign each individual checkmark to ONE specific cell/box and I want the learner to be able to drag any checkmark, as long as it is dropped in a designated drop target.
If there is another way I should approach this test item instead of drag and drop, I am open to any suggestions.
Here is an example:

I purchased the Master Widget from Infosemantics a few months back but between my day job and my schooling for my ID Certification from UC Irvine Extension, I have not had the time to figure it out.
I thought there would be an easier way but as usual, nothing is a quick fix anymore. Even when you think your just missing a simple step.
Thanks,
Jeff

Similar Messages

[svn:fx-trunk] 10876: Add support for drag-and-drop from Spark List to Spark List.

Revision: 10876
Author:   [email protected]
Date:     2009-10-05 15:20:07 -0700 (Mon, 05 Oct 2009)
Log Message:
Add support for drag-and-drop from Spark List to Spark List.
- List drop related handlers
- LayoutBase APIs
- VerticalLayout DND support
Notes:
- ListSkin is not final.
- Drag-scrolling not yet implemented.
QE notes: Only VerticalLayout works, HorizontalLayout still not implemented.
Doc notes: None
Bugs: None
Reviewer: Deepa
Tests run: checkintests
Is noteworthy for integration: No
Modified Paths:
    flex/sdk/trunk/frameworks/projects/spark/src/spark/components/List.as
    flex/sdk/trunk/frameworks/projects/spark/src/spark/layouts/VerticalLayout.as
    flex/sdk/trunk/frameworks/projects/spark/src/spark/layouts/supportClasses/LayoutBase.as
    flex/sdk/trunk/frameworks/projects/spark/src/spark/skins/spark/ListSkin.mxml
    flex/sdk/trunk/frameworks/spark-manifest.xml
Added Paths:
    flex/sdk/trunk/frameworks/projects/spark/src/spark/layouts/supportClasses/DropLocation.as

Whoops, disregard my question - I just read the spec that indicates drag and drop is scheduled for later work.
David

Help Converting AS2 to AS3 Drag and Drop Event

Hi All,
This is the second post on help for converting AS2 to AS3. This code is used in Captivate to allow a drag and drop action between two areas (User presses down, drags, and releases in a second area - They are not dragging any object). If anyone can help me convert this please let me know.
Source for Drag and Drop: (Note: Single MovieClip)
// pause the Captivate movie
_root.rdcmndPause = 1;
// when the user's mouse is let go check if there was a successful drop
_root.onMouseUp = function(){
          // If the source area's center coordinate is nearby the destination area's center coordinate then advance the slide
          if ( Math.abs(_root.sourceX + _root.sourceWidth / 2 + _root.sourceParentX - (_root.destX + _root.destWidth / 2)) < (_root.destWidth / 2) &&
                     Math.abs(_root.sourceY + _root.sourceHeight / 2 + _root.sourceParentY - (_root.destY + _root.destHeight / 2)) < (_root.destHeight / 2) )
                    _root.rdcmndNextSlide = 1;
          } else {
                    // show error movie clip for 2 seconds (60 frames at 30 frames per second)
                    _root.showErrorMessage = 60;
mc.onEnterFrame = function(){
          // continuously update the source area's coordinates and size
          _root.sourceX = mc._x;
          _root.sourceY = mc._y;
          _root.sourceWidth = mc._width;
          _root.sourceHeight = mc._height;
          _root.sourceParentX = _parent._x;
          _root.sourceParentY = _parent._y;
mc.onPress = function(){
          // Uncomment following line to have control click capabilities
          //if(key.isDown(Key.CONTROL))
          // when user clicks on the source area click start the drag
                    startDrag(this);
mc.onRelease = function(){
          // stop drag when user releases the source area
          stopDrag();
Source for Destination Area (Single MovieClip named destArea)
// Set a root variable to control when the error message is displayed
_root.showErrorMessage = -1;
// Use setCoords variable so we only set the destination coordinates once
var setCoords = 0;
destArea.onEnterFrame = function(){
          if (setCoords == 0){
                    // set the destination x, y, width, and height
                    _root.destX = _parent._x;
                    _root.destY = _parent._y;
                    _root.destWidth = _parent._width;
                    _root.destHeight = _parent._height;
          // destination coordinates have been set, change setCoords so it doesn't get set again
          setCoords = 1;
Code for the Error Message (Single MovieClip named errorMessage)
// Don't display the error message initially
errorMessage._alpha = 0;
errorMessage.onEnterFrame = function (){
          // If the drag and drop method detects a missed drop
          // then show this error message by setting _alpha to 100
          if (_root.showErrorMessage > 0){
                    errorMessage._alpha = 100;
                    // decrementing this variable controls the time the
                    // error message will be displayed
                    _root.showErrorMessage--;
          } else {
                    // Don't display the error message
                    errorMessage._alpha = 0;

use:
MovieClip(parent.parent.parent).rdcmndPause=1;
this.addEventListener(KeyboardEvent.KEY_DOWN,keydownF);
function keydownF(e:KeyboardEvent):void{
fscommand("KEYPRESSED", e.keyCode);
if(e.keyCode==32){
MovieClip(parent.parent.parent).rdcmndNextSlide=1;

I have 9.0.1 on 2 pc's, both xp sp3. On 1 the 'open new tab' button is visible, on the other, the 'open new tab' button is not even available in the 'customize toolbar' menu for dragging and dropping. Why?

I used the same installation file, but on 1 pc, the 'open new tab' button is available in the 'customize toolbar' menu and can be dragged and dropped onto the navigation bar. On the other pc, the 'open new tab' button/icon is not even available for dragging and dropping. I uninstalled firefox completely, including settings and preferences, then reinstalled, but that did not correct the missing button.

Hi,
Please try '''Restore Default Set''' in the '''Customize...''' window. If it's still not visible, one reason could be that the button is already placed on the toolbar but may be hidden behind another icon or toolbar.
Useful links:
[https://support.mozilla.com/en-US/kb/Options%20window All about Tools > Options]
[http://kb.mozillazine.org/About:config Going beyond Tools > Options - about:config]
[http://kb.mozillazine.org/About:config_entries about:config Entries]
[https://support.mozilla.com/en-US/kb/Page%20Info%20window Page Info] Tools (Alt + T) > Page Info, Right-click > View Page Info
[https://support.mozilla.com/en-US/kb/Keyboard%20shortcuts Keyboard Shortcuts]
[https://support.mozilla.com/en-US/kb/Viewing%20video%20in%20Firefox%20without%20a%20plugin Viewing Video without Plugins]
[http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder & Files]
[https://developer.mozilla.org/en/Command_Line_Options#Browser Firefox Commands]
[https://support.mozilla.com/en-US/kb/Basic%20Troubleshooting Basic Troubleshooting]
[https://support.mozilla.com/en-US/kb/common-questions-after-upgrading-firefox-36 After Upgrading]
[https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode]
[http://kb.mozillazine.org/Problematic_extensions Problematic Extensions]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20plugins Troubleshooting Plugins]
[http://kb.mozillazine.org/Testing_plugins Testing Plugins]

My touch pad is no longer responding to hard press downs for drag and drop or copy and paste

my touch pad is no longer responding to hard press downs for drag and drop or copy and paste ability

may be a totally stupid question, but how can I tell?

Drag and Drop exercise

Hi. I am a language teacher and completely new to Flash. I
have designed a drag and drop exercise with textboxes that I
converted into movie clips.
One set of textboxes are empty and are the 'target'
textboxes.
The other set of textboxes are exactly the same size but have
writing in them. I have attached the following action script to the
moveable textboxes:
While I have succeeded in making the textboxes move, they
will not drop into the 'target' textboxes and stay there. Any idea,
why?

Hello kglad. Before I started this drag and drop exercise
using textboxes, I followed a tutorial which I found on another
flash website. I was taught how to design a drag and drop game for
which I drew 4 different shapes. Then, I copied those 4 shapes and
put them onto another layer. One set of shapes was to be the target
shapes, the other ones were draggable. I used the code you can see
below. This game worked fine - when I dragged the shapes over the
correct targets, they stayed there. I then tried to replicate the
same idea (using the same basic code but changing the instance
names) but instead of drawing shapes, I used textboxes.
Unfortunately, I still can't get this to work. Is there a
fundamental difference between shapes and textboxes?

What is the policy for drag-and-drop in training mode?

Hi,
I've captured an application in training mode. It contains one drag-and-drop action which obviously is done in full motion recording.
Only thing is, this doesnt work when you then do the simulation as a user.
Can drag-and-drop working in this mode? It seems not.
Can anyone advise?
Thanks,
Joan

Hi there
I'm guessing that you mean to ask if one is able to force a user to perform a drag-and-drop as part of a simulation?
Unless you program it in Flash or some other application it isn't avaiable. Check the link below for more.
Click here to view
Cheers... Rick
Helpful and Handy Links
Captivate Wish Form/Bug Reporting Form
Adobe Certified Captivate Training
SorcerStone Blog
Captivate eBooks

Select All in a table does not work for Drag and Drop

Hi. I am using Jdeveloper 11.1.1.2 but have also reproduced in 11.1.1.3.
I am trying to implement drag and drop rows from one table to another. Everything works fine except when I do a Select All (ctrl-A) in a table, the table visually looks like all rows are selected, but when I try to click on one of the selected rows to drag to the other table, only the row I click on is dragged.
I tried setting Range Size -1, fetch mode to FETCH_ALL, content delivery to "immediate" but nothing works.
I even have reproduced not using a view object but just a List of beans with only 5 or 10 beans showing in the table.
Does anyone know how to get Select All to work for a Drag Source?
Thanks.
-Ed

Frank-
OK, thanks for looking into that. I also submitted this service request, which includes a simple sample app to demonstrate the problem:
SR #3-2387481211: ADF Drag and Drop does not work for rows in table using Select All
Thanks again for the reply.
-Ed

Any fixes for drag and drop not working in WAD with IE9?

I have exactly the same issue as is described in WAD Problem - can't modify and Drag&drop in Web App Designer (WAD) doesn't work but unfortunately I don't have the option of going from IE9 back to IE8. Has anybody found a fix for using drag and drop in WAD with IE9?
Edited by: Jason Muzzy on Jul 22, 2011 1:09 AM

Hi Jason,
Thanks for replying .
But I am facing this isssue in Web Application Designer. The link which I have shared shows the behavious of cursor while dragging and dropping
Drop not allowed ("blocked traffic" sign)
Drill across (arrow pointing to the right)
Drill down (arrow pointing down)
Exchange dimensions (exchange icon)
Add to filter (add icon)
Remove from filter (remove icon)
Reorder list (reorder icon).
This issue I am getting in Web Application Designer itself.In WAD 7.X ANALYSIS TABLE do we have any option from which we can disable drag and drop of cells because it is destroying the view of report output .
In WAD 7.X we have option of Activate Navigation in ANALYSIS TABLE but if we disable this our context will get disable and it shows the default Browser context menu.We have not provided any such options so that its original layout will retain back .
The solution they have mentioned to Disable Drag and Drop is not available in WAD ,its available in Analyzer.
Please let me know if you have found any solution for this.

Why can't Mac users, who have multiple devices, have device icons for drag and drop, on desktop rather than iCloud, iTunes, etc. ?

I want drag and drop in the form of icons on my iMac, from all my other Apple devices. I don't want to have to go through iCloud, iTunes and DropBox.

What are you other apple devices?
For an all Mac OS X set, you could write an applescript to perform the task.
Robert

How to set default object placement & wrap for drag-and-dropped files

I am working on a document into which I need to drag-and-drop a number of files from the Finder: JPGs, PDFs, and so on. Each time I drag a file into Pages, by default its placement is set as "Floating (doesn't move with text)" and "Object causes wrap" is active.
I would much prefer that the default settings be "inline" and "object does not cause wrap," so my drag-and-dropped images will appear within the text and move with it.
Is there a way to change this default setting?

Niel's suggestion is good. You might also try posting your question in the Tiger Server forums. I'm sure Tiger Server has several ways of dealing with this.

How do I get the student's answers to show on the next slide for drag and drop interaction?

I'm working with Captivate 7 on a computer running Windows 8.
I created a simple, one-to-one drag and drop activity using the Drag and Drop Wizard.
I want the student's answers to show on the next slide. Specifically, I want the drop source to show with the drag target that the student connected to the drag source. This way the student can review his/her answers while the program discusses the correct answers.
Is there anyway to do this?

* You see the orange (on Linux gray) Firefox button if the Menu Bar is hidden (View > Toolbars > Customize or right-click a toolbar).
* If you need to access the hidden Menu bar then press F10 or hold down the Alt key to make the Menu Bar appear temporarily.

Help needed with virtual bookshelf - drag and drop between components?

Hi there,
Im trying to create a virtual bookshelf, where book spines are individual movie clips that can be dragged and re-ordered on the shelf. At the moment i can drag the spines to one assigned target, but not any target or 'nudge' the position of the other books along.
Im sorry if this is a bit vague i'm not that experienced in as3, please feel free to ask any questions and i'll do my best to answer. Im thinking that an array is necessary which holds the positions, but im not sure how to put it all together!
Any help greatly appreciated! The code i have so far is:
import flash.events.MouseEvent;
import flash.display.MovieClip;
var dragArray:Array = [red, blue, green, purple, yellow];
var matchArray:Array = [target1, target2, target3, target4, target5];
var currentClip:MovieClip;
var startX:Number;
var startY:Number;
for(var i:int = 0; i < dragArray.length; i++) {
dragArray[i].buttonMode = true;
dragArray[i].addEventListener(MouseEvent.MOUSE_DOWN, item_onMouseDown);
matchArray[i].alpha = 0.2;
function item_onMouseDown(event:MouseEvent):void {
currentClip = MovieClip(event.currentTarget);
startX = currentClip.x;
startY = currentClip.y;
addChild(currentClip); //bring to the front
currentClip.startDrag();
stage.addEventListener(MouseEvent.MOUSE_UP, stage_onMouseUp);
function stage_onMouseUp(event:MouseEvent):void {
stage.removeEventListener(MouseEvent.MOUSE_UP, stage_onMouseUp);
currentClip.stopDrag();
var index:int = dragArray.indexOf(currentClip);
var matchClip:MovieClip = MovieClip(matchArray[index]);
if(matchClip.hitTestPoint(currentClip.x, currentClip.y, true)) {
//a match was made! position the clip on the matching clip:
currentClip.x = matchClip.x;
currentClip.y = matchClip.y;
//make it not draggable anymore:
currentClip.removeEventListener(MouseEvent.MOUSE_DOWN, item_onMouseDown);
currentClip.buttonMode = false;
} else {
//match was not made, so send the clip back where it started:
currentClip.x = startX;
currentClip.y = startY;

Morning kglad, thanks for your help yesterday. I tried the code again and still have the same problems - you cant drop over another book and it nudges that book along aswell as the others to the right. Also if you drop a book back in its originally place - sometimes - it creates a gap next to it. The book still only seem happy in their original starting positions!
Its very close, im continuing to try fiddle with it to get it working, have the whole of today to try and do this so the coffee is on!
Ive taken some code out that I realise this morning I didnt't need - e.g the code that stops a book being dragged once you have positioned it (they need to be able to be repositioned more than once, and the code that sends a book back to its original position if you didnt reposition it over a target. If this was foolish please tell me! I have a feeling the latter was!
so the code im trying to get working at the moment is:
import flash.events.MouseEvent;
import flash.display.MovieClip;
var dragArray:Array = [red, blue, green, purple, yellow];
var matchArray:Array = [target1, target2, target3, target4, target5];
var currentClip:MovieClip;
var startX:Number;
var startY:Number;
for(var i:int = 0; i < dragArray.length; i++) {
// REMOVED
//dragArray[i].buttonMode = true;
dragArray[i].addEventListener(MouseEvent.MOUSE_DOWN, item_onMouseDown);
matchArray[i].alpha = 0.2;
function item_onMouseDown(event:MouseEvent):void {
currentClip = MovieClip(event.currentTarget);
startX = currentClip.x;
startY = currentClip.y;
addChild(currentClip); //bring to the front
currentClip.startDrag();
stage.addEventListener(MouseEvent.MOUSE_UP, stage_onMouseUp);
function stage_onMouseUp(event:MouseEvent):void {
stage.removeEventListener(MouseEvent.MOUSE_UP, stage_onMouseUp);
currentClip.stopDrag();
var index:int = dragArray.indexOf(currentClip);
var matchClip:MovieClip = MovieClip(matchArray[index]);
if(matchClip.hitTestPoint(currentClip.x, currentClip.y, true)) {
//a match was made against a target:
currentClip.x = matchClip.x;
currentClip.y = matchClip.y;
//REMOVED
//make it not draggable anymore:
//currentClip.removeEventListener(MouseEvent.MOUSE_DOWN, item_onMouseDown);
//currentClip.buttonMode = false;
for(var i:int=dragArray.indexOf(currentClip)+1;i<dragArray.length;i++){
dragArray[i].x+=currentClip.width;
// REMOVED
//else {
//match was not made, so send the clip back where it started:
//currentClip.x = startX;
//currentClip.y = startY;

HELP! Why does my Drag and Drop not work Completely?

Hello! I'm working on an ActionScript 3 movie clip in Adobe Flash. In the interactive movie I want the user to create a snowman with the parts on the left side. (Picture below.)
On the right side I have the snowman slightly visible, so the user knows where to put the parts. Most of it seems to work... but after I put on the body, hat, and arms the other pieces don't work; like the eyes, nose, mouth, etc. Why does it not work? Can someone help me?
This is how it should look at the end, when the user complets it.
I think I coded this correctly. But I'm not sure. Please take a look at my code and see what the problem is. Thanks!!!
var startX:Number;
var startY:Number;
var counter:Number = 0;
SNOWMAN1_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
SNOWMAN1_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
SNOWMAN2_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
SNOWMAN2_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
SNOWMAN3_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
SNOWMAN3_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
LEFTARM_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
LEFTARM_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
HAT_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
HAT_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
RIGHTARM_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
RIGHTARM_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
SCARF_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
SCARF_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
EYES_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
EYES_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
MOUTH_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
MOUTH_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
CARROT_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
CARROT_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
COLE1_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
COLE1_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
COLE2_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
COLE2_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
COLE3_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
COLE3_mc.addEventListener(MouseEvent.MOUSE_UP, dropIt);
function pickUp(event:MouseEvent):void {
event.target.startDrag(true);
MYTEXTBOX.text = "";
event.target.parent.addChild(event.target);
startX = event.target.x;
startY = event.target.y;
function dropIt(event:MouseEvent):void {
event.target.stopDrag();
var myTargetName:String = "T" + event.target.name;
var myTarget:DisplayObject = getChildByName(myTargetName);
if (event.target.dropTarget != null && event.target.dropTarget.parent == myTarget){
MYTEXTBOX.text = "Good Job!";
event.target.removeEventListener(MouseEvent.MOUSE_DOWN, pickUp);
event.target.removeEventListener(MouseEvent.MOUSE_UP, dropIt);
event.target.buttonMode = false;
event.target.x = myTarget.x;
event.target.y = myTarget.y;
counter++;
} else {
MYTEXTBOX.text = "Try Again!";
event.target.x = startX;
event.target.y = startY;
if(counter == 13){
        MYTEXTBOX.text = "Congrats, you're finished!";
SNOWMAN1_mc.buttonMode = true;
SNOWMAN2_mc.buttonMode = true;
SNOWMAN3_mc.buttonMode = true;
LEFTARM_mc.buttonMode = true;
HAT_mc.buttonMode = true;
RIGHTARM_mc.buttonMode = true;
SCARF_mc.buttonMode = true;
EYES_mc.buttonMode = true;
MOUTH_mc.buttonMode = true;
CARROT_mc.buttonMode = true;
COLE1_mc.buttonMode = true;
COLE2_mc.buttonMode = true;
COLE3_mc.buttonMode = true;

Below is a more efficient code. I am not sure about chasing parents you do in the code (always bad idea) so this code may be buggy:
var startX:Number;
var startY:Number;
var counter:Number = 0;
// reference to currently dragged object
var currentTarget:Sprite;
var objectCollection:Array = [SNOWMAN1_mc, SNOWMAN2_mc, SNOWMAN3_mc, LEFTARM_mc, HAT_mc, RIGHTARM_mc, SCARF_mc, EYES_mc, MOUTH_mc, CARROT_mc, COLE1_mc, COLE2_mc, COLE3_mc];
activateObjects();
function activateObjects():void {
     for (var i:int = 0; i < objectCollection.length; i++) {
          currentObject = objectCollection[i] as Sprite;
          currentObject.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
          currentObject.buttonMode = true;
function pickUp(event:MouseEvent):void {
     currentTarget = event.currentTarget as Sprite;
     currentTarget.startDrag(true);
     MYTEXTBOX.text = "";
     currentTarget.parent.addChild(currentTarget);
     startX = currentTarget.x;
     startY = currentTarget.y;
     stage.addEventListener(MouseEvent.MOUSE_UP, dropIt);
function dropIt(event:MouseEvent):void {
     stage.removeEventListener(MouseEvent.MOUSE_UP, dropIt);
     stopDrag();
     var myTarget:DisplayObject = getChildByName("T" + currentTarget.name);
     if (currentTarget.dropTarget != null && currentTarget.dropTarget.parent == myTarget){
          MYTEXTBOX.text = "Good Job!";
          currentTarget.removeEventListener(MouseEvent.MOUSE_DOWN, pickUp);
          currentTarget.buttonMode = false;
          currentTarget.x = myTarget.x;
          currentTarget.y = myTarget.y;
          counter++;
     } else {
          MYTEXTBOX.text = "Try Again!";
          currentTarget.x = startX;
          currentTarget.y = startY;
     if (counter == 13) MYTEXTBOX.text = "Congrats, you're finished!";
     currentTarget = null;

How do I view an FTP site in Windows Explorer for drag and drop file upload in Firefox?

In Internet Explorer you have the drop-down menu option called '''"Page"''' (located below the address bar, on the right-hand side). In the options listed you can''''' "Open FTP side in Windows Explorer"'''''.
I cannot seem to locate a similar option within Firefox 4.0.
Guidance and suggestions welcome. Thanks.

You can look at:
* FireFTP: https://addons.mozilla.org/firefox/addon/684
* FileZilla: http://filezilla.sourceforge.net/

Help on Final Step for Drag and Drop Exercise

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