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jquery.textarearesizer.compressed.js
上传用户：saigedz
上传日期：2019-10-14
资源大小：997k
文件大小：1k
源码类别：
中间件编程
开发平台：
HTML/CSS
- (function($){var textarea,staticOffset;var iLastMousePos=0;var iMin=32;var grip;$.fn.TextAreaResizer=function(){return this.each(function(){textarea=$(this).addClass('processed'),staticOffset=null;$(this).wrap('<div class="resizable-textarea"><span></span></div>').parent().append($('<div class="grippie"></div>').bind("mousedown",{el:this},startDrag));var grippie=$('div.grippie',$(this).parent())[0];grippie.style.marginRight=(grippie.offsetWidth-$(this)[0].offsetWidth)+'px'})};function startDrag(e){textarea=$(e.data.el);textarea.blur();iLastMousePos=mousePosition(e).y;staticOffset=textarea.height()-iLastMousePos;textarea.css('opacity',0.25);$(document).mousemove(performDrag).mouseup(endDrag);return false}function performDrag(e){var iThisMousePos=mousePosition(e).y;var iMousePos=staticOffset+iThisMousePos;if(iLastMousePos>=(iThisMousePos)){iMousePos-=5}iLastMousePos=iThisMousePos;iMousePos=Math.max(iMin,iMousePos);textarea.height(iMousePos+'px');if(iMousePos<iMin){endDrag(e)}return false}function endDrag(e){$(document).unbind('mousemove',performDrag).unbind('mouseup',endDrag);textarea.css('opacity',1);textarea.focus();textarea=null;staticOffset=null;iLastMousePos=0}function mousePosition(e){return{x:e.clientX+document.documentElement.scrollLeft,y:e.clientY+document.documentElement.scrollTop}}})(jQuery);
