3 lines
4.0 KiB
JavaScript
3 lines
4.0 KiB
JavaScript
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define("local_treestudyplan/util/textfit",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.textFit=function(els,options){options||(options={});var settings={};for(var key in defaultSettings)options.hasOwnProperty(key)?settings[key]=options[key]:settings[key]=defaultSettings[key];"function"==typeof els.toArray&&(els=els.toArray());var elType=Object.prototype.toString.call(els);"[object Array]"!==elType&&"[object NodeList]"!==elType&&"[object HTMLCollection]"!==elType&&(els=[els]);for(var i=0;i<els.length;i++)processItem(els[i],settings)};var defaultSettings={alignVert:!1,alignHoriz:!1,multiLine:!1,detectMultiLine:!0,minFontSize:6,maxFontSize:80,reProcess:!0,widthOnly:!1,alignVertWithFlexbox:!1};function processItem(el,settings){if(o=el,!("object"==typeof HTMLElement?o instanceof HTMLElement:o&&"object"==typeof o&&null!==o&&1===o.nodeType&&"string"==typeof o.nodeName)||!settings.reProcess&&el.getAttribute("textFitted"))return!1;var o,innerSpan,originalHeight,originalHTML,originalWidth,low,mid,high;if(settings.reProcess||el.setAttribute("textFitted",1),originalHTML=el.innerHTML,originalWidth=function(el){var style=window.getComputedStyle(el,null);return el.getBoundingClientRect().width-parseInt(style.getPropertyValue("padding-left"),10)-parseInt(style.getPropertyValue("padding-right"),10)}(el),originalHeight=function(el){var style=window.getComputedStyle(el,null);return el.getBoundingClientRect().height-parseInt(style.getPropertyValue("padding-top"),10)-parseInt(style.getPropertyValue("padding-bottom"),10)}(el),!originalWidth||!settings.widthOnly&&!originalHeight)throw settings.widthOnly?new Error("Set a static width on the target element "+el.outerHTML+" before using textFit!"):new Error("Set a static height and width on the target element "+el.outerHTML+" before using textFit!");-1===originalHTML.indexOf("textFitted")?((innerSpan=document.createElement("span")).className="textFitted",innerSpan.style.display="inline-block",innerSpan.innerHTML=originalHTML,el.innerHTML="",el.appendChild(innerSpan)):hasClass(innerSpan=el.querySelector("span.textFitted"),"textFitAlignVert")&&(innerSpan.className=innerSpan.className.replace("textFitAlignVert",""),innerSpan.style.height="",el.className.replace("textFitAlignVertFlex","")),settings.alignHoriz&&(el.style["text-align"]="center",innerSpan.style["text-align"]="center");var multiLine=settings.multiLine;settings.detectMultiLine&&!multiLine&&innerSpan.getBoundingClientRect().height>=2*parseInt(window.getComputedStyle(innerSpan)["font-size"],10)&&(multiLine=!0),multiLine||(el.style["white-space"]="nowrap"),low=settings.minFontSize,high=settings.maxFontSize;for(var size=low;low<=high;){mid=(high+low)/2,innerSpan.style.fontSize=mid+"px";var innerSpanBoundingClientRect=innerSpan.getBoundingClientRect();innerSpanBoundingClientRect.width<=originalWidth&&(settings.widthOnly||innerSpanBoundingClientRect.height<=originalHeight)?(size=mid,low=mid+1):high=mid-1}if(innerSpan.style.fontSize!=size+"px"&&(innerSpan.style.fontSize=size+"px"),settings.alignVert){!function(){if(document.getElementById("textFitStyleSheet"))return;var style=[".textFitAlignVert{","position: absolute;","top: 0; right: 0; bottom: 0; left: 0;","margin: auto;","display: flex;","justify-content: center;","flex-direction: column;","}",".textFitAlignVertFlex{","display: flex;","}",".textFitAlignVertFlex .textFitAlignVert{","position: static;","}"].join(""),css=document.createElement("style");css.type="text/css",css.id="textFitStyleSheet",css.innerHTML=style,document.body.appendChild(css)}();var height=innerSpan.scrollHeight;"static"===window.getComputedStyle(el).position&&(el.style.position="relative"),hasClass(innerSpan,"textFitAlignVert")||(innerSpan.className=innerSpan.className+" textFitAlignVert"),innerSpan.style.height=height+"px",settings.alignVertWithFlexbox&&!hasClass(el,"textFitAlignVertFlex")&&(el.className=el.className+" textFitAlignVertFlex")}}function hasClass(element,cls){return(" "+element.className+" ").indexOf(" "+cls+" ")>-1}}));
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//# sourceMappingURL=textfit.min.js.map
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