mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-13 08:13:20 +02:00
1 line
13 KiB
JavaScript
1 line
13 KiB
JavaScript
|
(function($){var abs=Math.abs,max=Math.max,min=Math.min,round=Math.round;function div(){return $('<div/>')}$.imgAreaSelect=function(img,options){var $img=$(img),imgLoaded,$box=div(),$area=div(),$border=div().add(div()).add(div()).add(div()),$outer=div().add(div()).add(div()).add(div()),$handles=$([]),$areaOpera,left,top,imgOfs,imgWidth,imgHeight,$parent,parOfs,zIndex=0,position='absolute',startX,startY,scaleX,scaleY,resizeMargin=10,resize,aspectRatio,shown,x1,y1,x2,y2,selection={x1:0,y1:0,x2:0,y2:0,width:0,height:0},$p,d,i,o,w,h,adjusted;function viewX(x){return x+imgOfs.left-parOfs.left}function viewY(y){return y+imgOfs.top-parOfs.top}function selX(x){return x-imgOfs.left+parOfs.left}function selY(y){return y-imgOfs.top+parOfs.top}function evX(event){return event.pageX-parOfs.left}function evY(event){return event.pageY-parOfs.top}function getSelection(noScale){var sx=noScale||scaleX,sy=noScale||scaleY;return{x1:round(selection.x1*sx),y1:round(selection.y1*sy),x2:round(selection.x2*sx),y2:round(selection.y2*sy),width:round(selection.x2*sx)-round(selection.x1*sx),height:round(selection.y2*sy)-round(selection.y1*sy)}}function setSelection(x1,y1,x2,y2,noScale){var sx=noScale||scaleX,sy=noScale||scaleY;selection={x1:round(x1/sx),y1:round(y1/sy),x2:round(x2/sx),y2:round(y2/sy)};selection.width=(x2=viewX(selection.x2))-(x1=viewX(selection.x1));selection.height=(y2=viewX(selection.y2))-(y1=viewX(selection.y1))}function adjust(){if(!$img.width())return;imgOfs={left:round($img.offset().left),top:round($img.offset().top)};imgWidth=$img.width();imgHeight=$img.height();if($().jquery=='1.3.2'&&$.browser.safari&&position=='fixed'){imgOfs.top+=max(document.documentElement.scrollTop,$('body').scrollTop());imgOfs.left+=max(document.documentElement.scrollLeft,$('body').scrollLeft())}parOfs=$.inArray($parent.css('position'),['absolute','relative'])+1?{left:round($parent.offset().left)-$parent.scrollLeft(),top:round($parent.offset().top)-$parent.scrollTop()}:position=='fixed'?{left:$(document).scrollLeft(),top:$(document).scrollTop()}:{left:0,top:0};left=viewX(0);top=viewY(0)}function update(resetKeyPress){if(!shown)return;$box.css({left:viewX(selection.x1),top:viewY(selection.y1)}).add($area).width(w=selection.width).height(h=selection.height);$area.add($border).add($handles).css({left:0,top:0});$border.width(max(w-$border.outerWidth()+$border.innerWidth(),0)).height(max(h-$border.outerHeight()+$border.innerHeight(),0));$($outer[0]).css({left:left,top:top,width:selection.x1,height:imgHeight});$($outer[1]).css({left:left+selection.x1,top:top,width:w,height:selection.y1});$($outer[2]).css({left:left+selection.x2,top:top,width:imgWidth-selection.x2,height:imgHeight});$($outer[3]).css({left:left+selection.x1,top:top+selection.y2,width:w,height:imgHeight-selection.y2});w-=$handles.outerWidth();h-=$handles.outerHeight();switch($handles.length){case 8:$($handles[4]).css({left:w/2});$($handles[5]).css({left:w,top:h/2});$($handles[6]).css({left:w/2,top:h});$($handles[7]).css({top:h/2});case 4:$handles.slice(1,3).css({left:w});$handles.slice(2,4).css({top:h})}if(resetKeyPress!==false){if($.imgAreaSelect.keyPress!=docKeyPress)$(document).unbind($.imgAreaSelect.keyPress,$.imgAreaSelect.onKeyPress);if(options.keys)$(document)[$.imgAreaSelect.keyPress]($.imgAreaSelect.onKeyPress=docKeyPress)}if($.browser.msie&&$border.outerWidth()-$border.innerWidth()==2){$border.css('margin',0);setTimeout(function(){$border.css('margin','auto')},0)}}function doUpdate(resetKeyPress){adjust();update(resetKeyPress);x1=viewX(selection.x1);y1=viewY(selection.y1);x2=viewX(selection.x2);y2=viewY(selection.y2)}function hide($elem,fn){options.fadeSpeed?$elem.fadeOut(options.fadeSpeed,fn):$elem.hide()}function areaMouseMove(event){var x=selX(evX(event))-selection.x1,y=selY(evY(event))-selection.y1;if(!adjusted){adjust();adjusted=true;$box.one('mouseout',function(){adjusted=false})}resize='';if(options.resizable){if(y<=resizeMargin)resize='n';else if(y>=selection.height-resizeMargin)resize='s';if(x<=resizeMargin)resize+='w';else if(x>=selection.width-resizeMargin)resize+='e'}$bo
|