Question

Drag & Drop Image and save position in MySQL

Asked by: bosscat

Hi All,

Im using the Java script below to drag and drop images. The thing is i needed a script to drag and drop things into a map and save the postion in MySQL. Any example?

EG: I need to arrange furnitures in a room. so i can drag and drop chairs or tables in the room then save the position in MySQL.

Thanks

<style>
<!--
.dragme{position:relative;}
-->
</style>
<script language="JavaScript1.2">
<!--
 
var ie=document.all;
var nn6=document.getElementById&&!document.all;
 
var isdrag=false;
var x,y;
var dobj;
 
function movemouse(e)
{
  if (isdrag)
  {
    dobj.style.left = nn6 ? tx + e.clientX - x : tx + event.clientX - x;
    dobj.style.top  = nn6 ? ty + e.clientY - y : ty + event.clientY - y;
    return false;
  }
}
 
function selectmouse(e) 
{
  var fobj       = nn6 ? e.target : event.srcElement;
  var topelement = nn6 ? "HTML" : "BODY";
 
  while (fobj.tagName != topelement && fobj.className != "dragme")
  {
    fobj = nn6 ? fobj.parentNode : fobj.parentElement;
  }
 
  if (fobj.className=="dragme")
  {
    isdrag = true;
    dobj = fobj;
    tx = parseInt(dobj.style.left+0);
    ty = parseInt(dobj.style.top+0);
    x = nn6 ? e.clientX : event.clientX;
    y = nn6 ? e.clientY : event.clientY;
    document.onmousemove=movemouse;
    return false;
  }
}
 
document.onmousedown=selectmouse;
document.onmouseup=new Function("isdrag=false");
 
//-->
</script>

                                  
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Asked On
2009-08-21 at 02:02:10ID24670749
Tags

PHP

,

JavaScript

,

MySQL

,

AJAX

,

JQuery

Topics

JavaScript

,

PHP Scripting Language

,

Jquery

,

Web Development

Participating Experts
2
Points
500
Comments
7

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Answers

 

by: kiranvjPosted on 2009-08-21 at 02:08:37ID: 25150068

 

by: bosscatPosted on 2009-08-21 at 02:24:31ID: 25150127

Hi Kiranvj,

The link above couldn't save the position in MySQL. Any sample the drag and drop and save position in the MySQL?

 

by: kiranvjPosted on 2009-08-21 at 22:27:32ID: 25157480

After dragging the element, you will get the top and left position. You need to use ajax to store this information in the Mysql database.

 

by: RQuadlingPosted on 2009-08-30 at 03:41:25ID: 25217127

Firing an AJAXRequest in the onDrop handler. A url of something like ...

http://www.site.com/recordDrop.php

with the params being the id of the map element being dropped and the x and y coords should be enough.

 

by: bosscatPosted on 2009-08-30 at 08:25:47ID: 25217977

RQuadling

the site cannot be enter!

 

by: RQuadlingPosted on 2009-08-30 at 10:57:06ID: 25218510

Ha ha. No. It was just an example.

Using an Ajax.Request (http://www.prototypejs.org/api/ajax/request) like ...

new Ajax.Request('/recordDrop.php', {
  method: 'post',
  params: {x:x, y:y, objID:????}
});

sort of thing.

You need to coordinate the objID yourself. If you have a list of movable elements and they are known to the DB, then that ID needs to come back in with the request.

The PHP script will process $_POST['x'], $_POST['y'] and $_POST['objID'] to update the DB.

20120131-EE-VQP-002

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