218 lines
5.4 KiB
HTML
218 lines
5.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta content="width=device-width,initial-scale=1.0" name="viewport">
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</head>
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<style>
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* {
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font-family: sans;
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box-sizing:border-box;
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}
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body,html{
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background-color:#ffa;
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margin:0;
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padding:0;
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width:100vw;
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height:100vh;
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overflow:hidden;
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}
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.infinityScroll{
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height:50vh;
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overflow:scroll;
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position:relative;
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}
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/* disable pinch-zoom*/
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:root {
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touch-action: pan-x pan-y;
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height: 100%
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}
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.monthview:hover{
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box-shadow: 0 0 20px blue;
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}
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.monthview {
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background-color:rgba(255,255,255,0.5);
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border:2px solid rgba(0,0,0,0.5);
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border-radius: 10%;
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margin:5px;
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min-height: 20vw;
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/*margin:5px;*/
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/* scroll-snap-align: center;*/
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overflow:hidden;
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transition: all 0s ease-in-out;
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}
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.label{
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background-color:#a44;
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color:#fff;
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font-size:10vw;
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text-align:center;
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}
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.days{
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display: grid;
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width: 100%;
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grid-template-columns: repeat(7, 1fr);
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}
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.days div {
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text-align:center;
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height: 2cm;
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align:content;
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border:1px solid grey;
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}
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.weekend{
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color:red;
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background-color:white;
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}
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#weeksDiv{
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background: linear-gradient(white,#aaf);
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position: absolute;
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top:0;
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left:100vw;
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}
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#weeksDiv, #monthsDiv{
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box-sizing:border-box;
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margin:0;
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scroll-snap-align: start;
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height:100vh;
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overflow:scroll;
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margin:0;
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width:100vw;
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}
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.orig{
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box-shadow: 0 0 10px grey;
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}
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#all{
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scroll-snap-type: x mandatory;
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width:100vw;
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overflow-x:scroll;
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overflow-y:hidden;
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height:100vh;
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position:relative;
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}
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</style>
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<body>
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<div id="all">
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<div id="monthsDiv" class="infinityScroll"></div>
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<div id="weeksDiv" class="infinityScroll"></div>
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</div>
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<script>
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window.addEventListener("load",()=>{
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var locale = window.navigator.userLanguage || window.navigator.language || "en";
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function createMonthView(date = new Date()){
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var monthviewDiv = document.createElement("div")
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monthviewDiv.className = "monthview";
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var labelDiv = document.createElement("div");
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labelDiv.textContent = date.toLocaleString(locale,{"month":"long","year":"numeric"})
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labelDiv.className = "label"
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monthviewDiv.appendChild(labelDiv);
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var daysDiv = document.createElement("div");
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daysDiv.className="days";
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monthviewDiv.appendChild(daysDiv);
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monthviewDiv.scrollIntoView();
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var day = new Date(date);
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day.setDate(1);
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while(day.getMonth() == date.getMonth()){
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var dayDiv = document.createElement("div");
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dayDiv.className = "day";
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var column = day.getDay();
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column = column == 0 ? 7: column;
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if(column>=6){
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dayDiv.classList.add("weekend");
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}
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dayDiv.style.gridColumn = column;
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dayDiv.textContent = day.getDate()
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daysDiv.appendChild(dayDiv);
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day.setDate(day.getDate()+1);
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}
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return monthviewDiv;
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}
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function makeInfinityScroll(element){
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element.nn=element.nn||{"position":0};
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var mdate;
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for(var i = -3; i< 3; i++){
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mdate = new Date();
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mdate.setMonth(mdate.getMonth()+i);
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var nextMonth=createMonthView(mdate);
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nextMonth.nnindex=i;
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element.appendChild(nextMonth);
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nextMonth.classList.add('orig');
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}
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element.children[3].scrollIntoView({block:"center"});
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element.addEventListener("scroll",()=>{
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if(element.scrollUpdateSchedule!=1){
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element.scrollUpdateSchedule=1;
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requestAnimationFrame(()=>{
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element.scrollUpdateSchedule=0;
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if(element.scrollTop < 3* element.clientHeight)
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{
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var beforeind=0;
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if(element.firstChild.nnindex){
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beforeind = element.firstChild.nnindex
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}
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mdate = new Date();
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mdate.setMonth(mdate.getMonth()+beforeind-1);
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var newBefore = createMonthView(mdate);
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newBefore.nnindex=beforeind-1;
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element.insertBefore(newBefore,element.firstChild);
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while(element.scrollHeight>50*element.clientHeight){
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element.lastChild.remove();
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}
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}
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if(element.scrollTop > element.scrollHeight - 4* element.clientHeight)
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{
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var afterind=0;
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if(element.lastChild.nnindex){
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afterind = element.lastChild.nnindex
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}
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mdate = new Date();
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mdate.setMonth(mdate.getMonth()+afterind+1);
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var newAfter = createMonthView(mdate);
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newAfter.nnindex=afterind+1;
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element.appendChild(newAfter);
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while(element.scrollHeight>50*element.clientHeight){
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element.firstChild.remove();
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}
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}
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});
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}
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},false);
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}
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makeInfinityScroll(document.querySelector("#monthsDiv"));
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// document.querySelectorAll('.infinityScroll').forEach(makeInfinityScroll);
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},false);
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window.addEventListener("error",(error)=>{ document.body.innerHTML = "<h1>error</h1><pre>" + error.filename + "\nline:" + error.lineno + "\n"+error.message +"</pre>"; },false);
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</script>
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</body>
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</html>
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