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How to implement drag and drop functionality in Iframe with accuracy?

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0

I am able to modify the body content of the iframe and place a input element to the body at particular position on page in iframe, now I want to add drag and drop functionality to it such that user can drag input element and place it anywhere on the iframe which could be empty space or over any text or image.

That too I am able to do but with little success

I tried couple of things

First I used html5 drag and drop feature to do this but it drops the draggable div element according to the event captured, on drop of the element.
i.e I set the div element left and top position with event.clientX, event.clientY & position: absolute.

Something like this :-

 function drop(target, event) 
 var id = event.dataTransfer.getData('Text'); 
 if (!id) return;
 var e = document.getElementById(id);
 e.style.position = "absolute";
 e.style.left = (event.clientX+offsetx)+"px";
 e.style.top = (event.clientY+offsety)+"px"; 
 event.preventDefault();
 

What I want to do is set the div element according to screen coordinates of where I drag the element not according to event captured on drop. On drop it gives coordinates of event captured not real screen coordinates.

Second append draggable element in iframe body and set position to absolute but then the div element manage positioning.

javascript html iframe drag-and-drop

share|improve this question

asked Mar 8 at 15:01

varunvarun

63

add a comment | 

0

I am able to modify the body content of the iframe and place a input element to the body at particular position on page in iframe, now I want to add drag and drop functionality to it such that user can drag input element and place it anywhere on the iframe which could be empty space or over any text or image.

That too I am able to do but with little success

I tried couple of things

First I used html5 drag and drop feature to do this but it drops the draggable div element according to the event captured, on drop of the element.
i.e I set the div element left and top position with event.clientX, event.clientY & position: absolute.

Something like this :-

 function drop(target, event) 
 var id = event.dataTransfer.getData('Text'); 
 if (!id) return;
 var e = document.getElementById(id);
 e.style.position = "absolute";
 e.style.left = (event.clientX+offsetx)+"px";
 e.style.top = (event.clientY+offsety)+"px"; 
 event.preventDefault();
 

What I want to do is set the div element according to screen coordinates of where I drag the element not according to event captured on drop. On drop it gives coordinates of event captured not real screen coordinates.

Second append draggable element in iframe body and set position to absolute but then the div element manage positioning.

javascript html iframe drag-and-drop

share|improve this question

asked Mar 8 at 15:01

varunvarun

63

add a comment | 

I am able to modify the body content of the iframe and place a input element to the body at particular position on page in iframe, now I want to add drag and drop functionality to it such that user can drag input element and place it anywhere on the iframe which could be empty space or over any text or image.

That too I am able to do but with little success

I tried couple of things

First I used html5 drag and drop feature to do this but it drops the draggable div element according to the event captured, on drop of the element.
i.e I set the div element left and top position with event.clientX, event.clientY & position: absolute.

Something like this :-

 function drop(target, event) 
 var id = event.dataTransfer.getData('Text'); 
 if (!id) return;
 var e = document.getElementById(id);
 e.style.position = "absolute";
 e.style.left = (event.clientX+offsetx)+"px";
 e.style.top = (event.clientY+offsety)+"px"; 
 event.preventDefault();
 

What I want to do is set the div element according to screen coordinates of where I drag the element not according to event captured on drop. On drop it gives coordinates of event captured not real screen coordinates.

Second append draggable element in iframe body and set position to absolute but then the div element manage positioning.

javascript html iframe drag-and-drop

share|improve this question

asked Mar 8 at 15:01

varunvarun

63

 function drop(target, event) 
 var id = event.dataTransfer.getData('Text'); 
 if (!id) return;
 var e = document.getElementById(id);
 e.style.position = "absolute";
 e.style.left = (event.clientX+offsetx)+"px";
 e.style.top = (event.clientY+offsety)+"px"; 
 event.preventDefault();
 

share|improve this question

asked Mar 8 at 15:01

varunvarun

63

share|improve this question

asked Mar 8 at 15:01

varunvarun

63

asked Mar 8 at 15:01

varunvarun

63

asked Mar 8 at 15:01

varunvarun

63