Viewing File: /usr/share/phpmyadmin/js/vendor/stickyfill.min.js

'use strict';let seppuku=false;const isWindowDefined=typeof window!=='undefined';if(!isWindowDefined||!window.getComputedStyle)seppuku=true;else{const testNode=document.createElement('div');if(['','-webkit-','-moz-','-ms-'].some(prefix=>{try{testNode.style.position=prefix+'sticky';}
catch(e){}
return testNode.style.position!='';}))seppuku=true;}
let isInitialized=false;const shadowRootExists=typeof ShadowRoot!=='undefined';const scroll={top:null,left:null};const stickies=[];function extend(targetObj,sourceObject){for(var key in sourceObject){if(sourceObject.hasOwnProperty(key)){targetObj[key]=sourceObject[key];}}}
function parseNumeric(val){return parseFloat(val)||0;}
function getDocOffsetTop(node){let docOffsetTop=0;while(node){docOffsetTop+=node.offsetTop;node=node.offsetParent;}
return docOffsetTop;}
class Sticky{constructor(node){if(!(node instanceof HTMLElement))
throw new Error('First argument must be HTMLElement');if(stickies.some(sticky=>sticky._node===node))
throw new Error('Stickyfill is already applied to this node');this._node=node;this._stickyMode=null;this._active=false;stickies.push(this);this.refresh();}
refresh(){if(seppuku||this._removed)return;if(this._active)this._deactivate();const node=this._node;const nodeComputedStyle=getComputedStyle(node);const nodeComputedProps={position:nodeComputedStyle.position,top:nodeComputedStyle.top,display:nodeComputedStyle.display,marginTop:nodeComputedStyle.marginTop,marginBottom:nodeComputedStyle.marginBottom,marginLeft:nodeComputedStyle.marginLeft,marginRight:nodeComputedStyle.marginRight,cssFloat:nodeComputedStyle.cssFloat};if(isNaN(parseFloat(nodeComputedProps.top))||nodeComputedProps.display=='table-cell'||nodeComputedProps.display=='none')return;this._active=true;const originalPosition=node.style.position;if(nodeComputedStyle.position=='sticky'||nodeComputedStyle.position=='-webkit-sticky')
node.style.position='static';const referenceNode=node.parentNode;const parentNode=shadowRootExists&&referenceNode instanceof ShadowRoot?referenceNode.host:referenceNode;const nodeWinOffset=node.getBoundingClientRect();const parentWinOffset=parentNode.getBoundingClientRect();const parentComputedStyle=getComputedStyle(parentNode);this._parent={node:parentNode,styles:{position:parentNode.style.position},offsetHeight:parentNode.offsetHeight};this._offsetToWindow={left:nodeWinOffset.left,right:document.documentElement.clientWidth-nodeWinOffset.right};this._offsetToParent={top:nodeWinOffset.top-parentWinOffset.top-parseNumeric(parentComputedStyle.borderTopWidth),left:nodeWinOffset.left-parentWinOffset.left-parseNumeric(parentComputedStyle.borderLeftWidth),right:-nodeWinOffset.right+parentWinOffset.right-parseNumeric(parentComputedStyle.borderRightWidth)};this._styles={position:originalPosition,top:node.style.top,bottom:node.style.bottom,left:node.style.left,right:node.style.right,width:node.style.width,marginTop:node.style.marginTop,marginLeft:node.style.marginLeft,marginRight:node.style.marginRight};const nodeTopValue=parseNumeric(nodeComputedProps.top);this._limits={start:nodeWinOffset.top+window.pageYOffset-nodeTopValue,end:parentWinOffset.top+window.pageYOffset+parentNode.offsetHeight-
parseNumeric(parentComputedStyle.borderBottomWidth)-node.offsetHeight-
nodeTopValue-parseNumeric(nodeComputedProps.marginBottom)};const parentPosition=parentComputedStyle.position;if(parentPosition!='absolute'&&parentPosition!='relative'){parentNode.style.position='relative';}
this._recalcPosition();const clone=this._clone={};clone.node=document.createElement('div');extend(clone.node.style,{width:nodeWinOffset.right-nodeWinOffset.left+'px',height:nodeWinOffset.bottom-nodeWinOffset.top+'px',marginTop:nodeComputedProps.marginTop,marginBottom:nodeComputedProps.marginBottom,marginLeft:nodeComputedProps.marginLeft,marginRight:nodeComputedProps.marginRight,cssFloat:nodeComputedProps.cssFloat,padding:0,border:0,borderSpacing:0,fontSize:'1em',position:'static'});referenceNode.insertBefore(clone.node,node);clone.docOffsetTop=getDocOffsetTop(clone.node);}
_recalcPosition(){if(!this._active||this._removed)return;const stickyMode=scroll.top<=this._limits.start?'start':scroll.top>=this._limits.end?'end':'middle';if(this._stickyMode==stickyMode)return;switch(stickyMode){case 'start':extend(this._node.style,{position:'absolute',left:this._offsetToParent.left+'px',right:this._offsetToParent.right+'px',top:this._offsetToParent.top+'px',bottom:'auto',width:'auto',marginLeft:0,marginRight:0,marginTop:0});break;case 'middle':extend(this._node.style,{position:'fixed',left:this._offsetToWindow.left+'px',right:this._offsetToWindow.right+'px',top:this._styles.top,bottom:'auto',width:'auto',marginLeft:0,marginRight:0,marginTop:0});break;case 'end':extend(this._node.style,{position:'absolute',left:this._offsetToParent.left+'px',right:this._offsetToParent.right+'px',top:'auto',bottom:0,width:'auto',marginLeft:0,marginRight:0});break;}
this._stickyMode=stickyMode;}
_fastCheck(){if(!this._active||this._removed)return;if(Math.abs(getDocOffsetTop(this._clone.node)-this._clone.docOffsetTop)>1||Math.abs(this._parent.node.offsetHeight-this._parent.offsetHeight)>1)this.refresh();}
_deactivate(){if(!this._active||this._removed)return;this._clone.node.parentNode.removeChild(this._clone.node);delete this._clone;extend(this._node.style,this._styles);delete this._styles;if(!stickies.some(sticky=>sticky!==this&&sticky._parent&&sticky._parent.node===this._parent.node)){extend(this._parent.node.style,this._parent.styles);}
delete this._parent;this._stickyMode=null;this._active=false;delete this._offsetToWindow;delete this._offsetToParent;delete this._limits;}
remove(){this._deactivate();stickies.some((sticky,index)=>{if(sticky._node===this._node){stickies.splice(index,1);return true;}});this._removed=true;}}
const Stickyfill={stickies,Sticky,forceSticky(){seppuku=false;init();this.refreshAll();},addOne(node){if(!(node instanceof HTMLElement)){if(node.length&&node[0])node=node[0];else return;}
for(var i=0;i<stickies.length;i++){if(stickies[i]._node===node)return stickies[i];}
return new Sticky(node);},add(nodeList){if(nodeList instanceof HTMLElement)nodeList=[nodeList];if(!nodeList.length)return;const addedStickies=[];for(let i=0;i<nodeList.length;i++){const node=nodeList[i];if(!(node instanceof HTMLElement)){addedStickies.push(void 0);continue;}
if(stickies.some(sticky=>{if(sticky._node===node){addedStickies.push(sticky);return true;}}))continue;addedStickies.push(new Sticky(node));}
return addedStickies;},refreshAll(){stickies.forEach(sticky=>sticky.refresh());},removeOne(node){if(!(node instanceof HTMLElement)){if(node.length&&node[0])node=node[0];else return;}
stickies.some(sticky=>{if(sticky._node===node){sticky.remove();return true;}});},remove(nodeList){if(nodeList instanceof HTMLElement)nodeList=[nodeList];if(!nodeList.length)return;for(let i=0;i<nodeList.length;i++){const node=nodeList[i];stickies.some(sticky=>{if(sticky._node===node){sticky.remove();return true;}});}},removeAll(){while(stickies.length)stickies[0].remove();}};function init(){if(isInitialized){return;}
isInitialized=true;function checkScroll(){if(window.pageXOffset!=scroll.left){scroll.top=window.pageYOffset;scroll.left=window.pageXOffset;Stickyfill.refreshAll();}
else if(window.pageYOffset!=scroll.top){scroll.top=window.pageYOffset;scroll.left=window.pageXOffset;stickies.forEach(sticky=>sticky._recalcPosition());}}
checkScroll();window.addEventListener('scroll',checkScroll);window.addEventListener('resize',Stickyfill.refreshAll);window.addEventListener('orientationchange',Stickyfill.refreshAll);let fastCheckTimer;function startFastCheckTimer(){fastCheckTimer=setInterval(function(){stickies.forEach(sticky=>sticky._fastCheck());},500);}
function stopFastCheckTimer(){clearInterval(fastCheckTimer);}
let docHiddenKey;let visibilityChangeEventName;if('hidden'in document){docHiddenKey='hidden';visibilityChangeEventName='visibilitychange';}
else if('webkitHidden'in document){docHiddenKey='webkitHidden';visibilityChangeEventName='webkitvisibilitychange';}
if(visibilityChangeEventName){if(!document[docHiddenKey])startFastCheckTimer();document.addEventListener(visibilityChangeEventName,()=>{if(document[docHiddenKey]){stopFastCheckTimer();}
else{startFastCheckTimer();}});}
else startFastCheckTimer();}
if(!seppuku)init();if(typeof module!='undefined'&&module.exports){module.exports=Stickyfill;}
else if(isWindowDefined){window.Stickyfill=Stickyfill;}