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[autoinstalls/wordpress.git] / wp-includes / js / imgareaselect / jquery.imgareaselect.js
index aabbcca1a2a056e34088c186fa08c7e293cc82a0..a29d6678f69084defb18a75ec7e55b89db9509c1 100644 (file)
@@ -1 +1 @@
-(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;$box.one('mouseout',function(){adjusted=false})}resize='';if(options.resizable){if(y<=resizeMargin)resize='n';else if(y>=selection.height-resizeMargin)resize='s';if(x<=resizeMargin)resize+='w';else if(x>=selection.width-resizeMargin)resize+='e'}$box.css('cursor',resize?resize+'-resize':options.movable?'move':'');if($areaOpera)$areaOpera.toggle()}function docMouseUp(event){$('body').css('cursor','');if(options.autoHide||selection.width*selection.height==0)hide($box.add($outer),function(){$(this).hide()});options.onSelectEnd(img,getSelection());$(document).unbind('mousemove',selectingMouseMove);$box.mousemove(areaMouseMove)}function areaMouseDown(event){if(event.which!=1)return false;adjust();if(resize){$('body').css('cursor',resize+'-resize');x1=viewX(selection[/w/.test(resize)?'x2':'x1']);y1=viewY(selection[/n/.test(resize)?'y2':'y1']);$(document).mousemove(selectingMouseMove).one('mouseup',docMouseUp);$box.unbind('mousemove',areaMouseMove)}else if(options.movable){startX=left+selection.x1-evX(event);startY=top+selection.y1-evY(event);$box.unbind('mousemove',areaMouseMove);$(document).mousemove(movingMouseMove).one('mouseup',function(){options.onSelectEnd(img,getSelection());$(document).unbind('mousemove',movingMouseMove);$box.mousemove(areaMouseMove)})}else $img.mousedown(event);return false}function aspectRatioXY(){x2=max(left,min(left+imgWidth,x1+abs(y2-y1)*aspectRatio*(x2>x1||-1)));y2=round(max(top,min(top+imgHeight,y1+abs(x2-x1)/aspectRatio*(y2>y1||-1))));x2=round(x2)}function aspectRatioYX(){y2=max(top,min(top+imgHeight,y1+abs(x2-x1)/aspectRatio*(y2>y1||-1)));x2=round(max(left,min(left+imgWidth,x1+abs(y2-y1)*aspectRatio*(x2>x1||-1))));y2=round(y2)}function doResize(){if(abs(x2-x1)<options.minWidth){x2=x1-options.minWidth*(x2<x1||-1);if(x2<left)x1=left+options.minWidth;else if(x2>left+imgWidth)x1=left+imgWidth-options.minWidth}if(abs(y2-y1)<options.minHeight){y2=y1-options.minHeight*(y2<y1||-1);if(y2<top)y1=top+options.minHeight;else if(y2>top+imgHeight)y1=top+imgHeight-options.minHeight}x2=max(left,min(x2,left+imgWidth));y2=max(top,min(y2,top+imgHeight));if(aspectRatio)if(abs(x2-x1)/aspectRatio>abs(y2-y1))aspectRatioYX();else aspectRatioXY();if(abs(x2-x1)>options.maxWidth){x2=x1-options.maxWidth*(x2<x1||-1);if(aspectRatio)aspectRatioYX()}if(abs(y2-y1)>options.maxHeight){y2=y1-options.maxHeight*(y2<y1||-1);if(aspectRatio)aspectRatioXY()}selection={x1:selX(min(x1,x2)),x2:selX(max(x1,x2)),y1:selY(min(y1,y2)),y2:selY(max(y1,y2)),width:abs(x2-x1),height:abs(y2-y1)};update();options.onSelectChange(img,getSelection())}function selectingMouseMove(event){x2=resize==''||/w|e/.test(resize)||aspectRatio?evX(event):viewX(selection.x2);y2=resize==''||/n|s/.test(resize)||aspectRatio?evY(event):viewY(selection.y2);doResize();return false}function doMove(newX1,newY1){x2=(x1=newX1)+selection.width;y2=(y1=newY1)+selection.height;selection=$.extend(selection,{x1:selX(x1),y1:selY(y1),x2:selX(x2),y2:selY(y2)});update();options.onSelectChange(img,getSelection())}function movingMouseMove(event){x1=max(left,min(startX+evX(event),left+imgWidth-selection.width));y1=max(top,min(startY+evY(event),top+imgHeight-selection.height));doMove(x1,y1);event.preventDefault();return false}function startSelection(){adjust();x2=x1;y2=y1;doResize();resize='';if($outer.is(':not(:visible)'))$box.add($outer).hide().fadeIn(options.fadeSpeed||0);shown=true;$(document).unbind('mouseup',cancelSelection).mousemove(selectingMouseMove).one('mouseup',docMouseUp);$box.unbind('mousemove',areaMouseMove);options.onSelectStart(img,getSelection())}function cancelSelection(){$(document).unbind('mousemove',startSelection);hide($box.add($outer));selection={x1:selX(x1),y1:selY(y1),x2:selX(x1),y2:selY(y1),width:0,height:0};options.onSelectChange(img,getSelection());options.onSelectEnd(img,getSelection())}function imgMouseDown(event){if(event.which!=1||$outer.is(':animated'))return false;adjust();startX=x1=evX(event);startY=y1=evY(event);$(document).one('mousemove',startSelection).one('mouseup',cancelSelection);return false}function parentScroll(){doUpdate(false)}function imgLoad(){imgLoaded=true;setOptions(options=$.extend({classPrefix:'imgareaselect',movable:true,resizable:true,parent:'body',onInit:function(){},onSelectStart:function(){},onSelectChange:function(){},onSelectEnd:function(){}},options));$box.add($outer).css({visibility:''});if(options.show){shown=true;adjust();update();$box.add($outer).hide().fadeIn(options.fadeSpeed||0)}setTimeout(function(){options.onInit(img,getSelection())},0)}var docKeyPress=function(event){var k=options.keys,d,t,key=event.keyCode||event.which;d=!isNaN(k.alt)&&(event.altKey||event.originalEvent.altKey)?k.alt:!isNaN(k.ctrl)&&event.ctrlKey?k.ctrl:!isNaN(k.shift)&&event.shiftKey?k.shift:!isNaN(k.arrows)?k.arrows:10;if(k.arrows=='resize'||(k.shift=='resize'&&event.shiftKey)||(k.ctrl=='resize'&&event.ctrlKey)||(k.alt=='resize'&&(event.altKey||event.originalEvent.altKey))){switch(key){case 37:d=-d;case 39:t=max(x1,x2);x1=min(x1,x2);x2=max(t+d,x1);if(aspectRatio)aspectRatioYX();break;case 38:d=-d;case 40:t=max(y1,y2);y1=min(y1,y2);y2=max(t+d,y1);if(aspectRatio)aspectRatioXY();break;default:return}doResize()}else{x1=min(x1,x2);y1=min(y1,y2);switch(key){case 37:doMove(max(x1-d,left),y1);break;case 38:doMove(x1,max(y1-d,top));break;case 39:doMove(x1+min(d,imgWidth-selX(x2)),y1);break;case 40:doMove(x1,y1+min(d,imgHeight-selY(y2)));break;default:return}}return false};function styleOptions($elem,props){for(option in props)if(options[option]!==undefined)$elem.css(props[option],options[option])}function setOptions(newOptions){if(newOptions.parent)($parent=$(newOptions.parent)).append($box.add($outer));options=$.extend(options,newOptions);adjust();if(newOptions.handles!=null){$handles.remove();$handles=$([]);i=newOptions.handles?newOptions.handles=='corners'?4:8:0;while(i--)$handles=$handles.add(div());$handles.addClass(options.classPrefix+'-handle').css({position:'absolute',fontSize:0,zIndex:zIndex+1||1});if(!parseInt($handles.css('width')))$handles.width(5).height(5);if(o=options.borderWidth)$handles.css({borderWidth:o,borderStyle:'solid'});styleOptions($handles,{borderC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