Go4Expert - Coordinates of a draggable object

Go4Expert

Go4Expert (http://www.go4expert.com/)

- Programming (http://www.go4expert.com/forumdisplay.php?f=16)

- - Coordinates of a draggable object (http://www.go4expert.com/showthread.php?t=20302)

rwwilcox

7Dec2009 17:55

Coordinates of a draggable object

Does anyone know how to store the coordinates of a draggable image in a .txt file, to allow the same image to be re-loaded in the same position on another page?

Hope someone can help,
Thanks :pleased:

shabbir

7Dec2009 18:17

Re: Coordinates of a draggable object

All you are trying to do is store some numbers in a file and what makes you think it cannot be done.

rwwilcox

7Dec2009 21:34

Re: Coordinates of a draggable object

I know it can be done, and i know that i need to use GetElementById, e.clientX, and e.ClientY. But im new to this and just wanted some advice of how to go about it.

Thanks

venami

8Dec2009 00:03

Re: Coordinates of a draggable object

But the clientx and clienty gives the current mouse position and not the image's position on a screen.
You can do as follows:

Code:

var x = document.images.imagename.offsetLeft;

var y = document.images.imagename.offsetTop;

tommyp

9Dec2009 22:37

Re: Coordinates of a draggable object

This is quite usefull, how would one submit this into a form textarea when the form is submitted?

venami

9Dec2009 23:01

Re: Coordinates of a draggable object

Create a javascript which takes the above two values as arguments. Inside the function, use:

Code:

// here 'txtarea' inside brackets is the ID set for the textarea tag

txtarea = document.getElementbyId('txtarea');

txtarea.value = x + " " + y;

Then in the onlcick event of the submit button, call this function.

All times are GMT +5.5. The time now is 15:50.