drag and drop word to match image

**stresstedout** · February 13th, 2014, 11:41 AM

Hi,

Can anyone give me any tips or help me in anway?

**GregBrannon** · February 13th, 2014, 11:45 AM

Possible? Yes.

Java Drag and Drop Tutorial.

**stresstedout** · February 13th, 2014, 11:47 AM

i know how to do drag and drop, the thing im not sure how to program is if it matches the images to sit below the image, if incorrect to go back to the list.

**GregBrannon** · February 13th, 2014, 11:56 AM

That's just logic:

if ( imageMatchesWords )
{
    // accept it
}
else
{
    // put it back where it came from
}

**stresstedout** · February 13th, 2014, 04:52 PM

Originally Posted by stresstedout

i know how to do drag and drop, the thing im not sure how to program is if it matches the images to sit below the image, if incorrect to go back to the list.

I feel really stupid now, i have done drag a drop at school but i cant seem to get it to do a label on label? when it drops does it have to be in a textarea?

**Norm** · February 13th, 2014, 04:58 PM

Writing Drag and Drop code can be quite complicated if the components don't support it directly. Maybe you should look at selecting objects with mouse clicks instead of DnD.

**stresstedout** · February 13th, 2014, 05:03 PM

I need to get to the grips of getting DnD done cus i need the marks for my project.
I know its complicated but i just need to know weather or not i can drage and drop in to a label and get it sit under the image

**Norm** · February 13th, 2014, 05:22 PM

I think its possible but I have no idea how hard it would be for you to do it. I wrote some DnD code 8 years ago and haven't worked with it since then.

**stresstedout** · February 13th, 2014, 05:51 PM

i have managed to do drag the selected text into a textarea, however i will need to change to this to a label.
I need the text which the user drag to match with the image and if it matches to go in the text area if not then to go back on the panel.
This is where i am going to struggle now.

someone above gave me a tip and said it was easy, but i may need some help.

any tips

**Norm** · February 13th, 2014, 06:13 PM

What is the source of the text that is being dragged? Have you written a small test program that does a drag and drop from a source to a target?

**stresstedout** · February 13th, 2014, 06:29 PM

The code below drag and drop into a textarea, when i try to do the drop to a label i get red lines errors.

**Norm** · February 13th, 2014, 07:25 PM

The posted code is missing all the import statements.

**stresstedout** · February 13th, 2014, 07:36 PM

added them

**Norm** · February 13th, 2014, 08:08 PM

What is your next step?

The posted code must be very old. It uses awt classes vs swing

**stresstedout** · February 13th, 2014, 08:13 PM

I need the text which the user drag to match with the image and if it matches to go in the label if not then to go back on the panel.
This is where i dont know where to begin.

**Norm** · February 13th, 2014, 08:23 PM

First you need to make a component that is a target for a drop gesture. The code for the drop location would look at the "text" that was being dragged and make the decision if it matches the target site or not.

**stresstedout** · February 13th, 2014, 08:26 PM

do u have any sample code or or know of any tutorials that can help?

**Norm** · February 13th, 2014, 08:39 PM

What about the code you just posted?

**stresstedout** · February 13th, 2014, 08:44 PM

i am having problems with changing the drop textarea to label and for to print the word on the label like it does in the textarea

**Norm** · February 13th, 2014, 08:45 PM

i am having problems

Copy the full text of the error messages and paste them here.

**stresstedout** · February 13th, 2014, 08:49 PM

Exception in thread "main" java.lang.RuntimeException: Uncompilable source code - javaapplication24.GridLayoutTest.DropTargetJLabel is abstract; cannot be instantiated
at javaapplication24.GridLayoutTest.<init>(GridLayout Test.java:81)
at javaapplication24.GridLayoutTest$DropTargetJLabel. main(GridLayoutTest.java:225)
Java Result: 1

**Norm** · February 13th, 2014, 08:56 PM

What code is that error message for? The posted code has about 165 lines and is named: DragAndDropExample.
Do your testing on the posted code BEFORE making a larger program. Work out the coding techniques with a small program first.

**stresstedout** · February 13th, 2014, 09:03 PM

run:
Exception in thread "main" java.lang.RuntimeException: Uncompilable source code - incompatible types: javaapplication24.DragAndDropExample.DropTargetjla bel cannot be converted to java.awt.Component
at javaapplication24.DragAndDropExample.main(DragAndD ropExample.java:53)
Java Result: 1

**Norm** · February 13th, 2014, 09:17 PM

DropTargetjlabel cannot be converted to java.awt.Component

You need to post all of the code.
And all of the error messages. You mention 3 errors but only post the text of one.

**stresstedout** · February 13th, 2014, 09:24 PM

the error only says

Exception in thread "main" java.lang.RuntimeException: Uncompilable source code - incompatible types: javaapplication24.DragAndDropExample.DropTargetjla bel cannot be converted to java.awt.Component
at javaapplication24.DragAndDropExample.main(DragAndD ropExample.java:53)
Java Result: 1
BUILD SUCCESSFUL (total time: 4 seconds)

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