Drag and drop gadgets in blogger

Drag and drop gadgets in blogger

Drag and drop simply means you can pick any gadget . image or any other object and can drop it somewhere else to change its position. Similarly, to the Facebook messenger application you use on your smartphone. This can be helpful if you have fixed gadgets in your blog. You can add below codes to them so that visitor does not get annoy with these fixed gadgets and can change there position easily according to his need.



You can also use these codes on images and other HTML objects. These codes uses jquery and easydrag which makes it possible to move objects from one location to another.

How to drag and drop gadgets or other HTML objects in blogger ?

Step1: Go to blogger > Theme > Edit html and search for </head>

Step2: Paste below scripts above </head> tag.

<script src='//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js'/>
<script type='text/javascript'>
//<![CDATA[
(function($){var isMouseDown=false;var currentElement=null;var dropCallbacks={};var dragCallbacks={};var lastMouseX;var lastMouseY;var lastElemTop;var lastElemLeft;var dragStatus={};$.getMousePosition=function(e){var posx=0;var posy=0;if(!e)var e=window.event;if(e.pageX||e.pageY){posx=e.pageX;posy=e.pageY;}
else if(e.clientX||e.clientY){posx=e.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;posy=e.clientY+document.body.scrollTop+document.documentElement.scrollTop;}
return{'x':posx,'y':posy};};$.updatePosition=function(e){var pos=$.getMousePosition(e);var spanX=(pos.x-lastMouseX);var spanY=(pos.y-lastMouseY);$(currentElement).css("top",(lastElemTop+spanY));$(currentElement).css("left",(lastElemLeft+spanX));};$(document).mousemove(function(e){if(isMouseDown&&dragStatus[currentElement.id]=='on'){$.updatePosition(e);if(dragCallbacks[currentElement.id]!=undefined){dragCallbacks[currentElement.id](e,currentElement);}
return false;}});$(document).mouseup(function(e){if(isMouseDown&&dragStatus[currentElement.id]=='on'){isMouseDown=false;if(dropCallbacks[currentElement.id]!=undefined){dropCallbacks[currentElement.id](e,currentElement);}
return false;}});$.fn.ondrag=function(callback){return this.each(function(){dragCallbacks[this.id]=callback;});};$.fn.ondrop=function(callback){return this.each(function(){dropCallbacks[this.id]=callback;});};$.fn.dragOff=function(){return this.each(function(){dragStatus[this.id]='off';});};$.fn.dragOn=function(){return this.each(function(){dragStatus[this.id]='on';});};$.fn.easydrag=function(allowBubbling){return this.each(function(){if(undefined==this.id||!this.id.length)this.id="easydrag"+(new Date().getTime());dragStatus[this.id]="on";$(this).css("cursor","move");$(this).mousedown(function(e){$(this).css("position","absolute");$(this).css("z-index","10000");isMouseDown=true;currentElement=this;var pos=$.getMousePosition(e);lastMouseX=pos.x;lastMouseY=pos.y;lastElemTop=this.offsetTop;lastElemLeft=this.offsetLeft;$.updatePosition(e);return allowBubbling?true:false;});});};})(jQuery);
//]]></script>

Step3: Now add these codes above and below of your object or gadget's HTML code.

<div id="drag1">

<< Gadget , image or object codes>>

</div><script type="text/javascript">
$(function(){ $("#drag1").easydrag();});
</script>

Step4: Save changes.

No comments:

Post a Comment