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annotate life_calendar/tooltip.js @ 143:627316f64e79

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myrss2: FEEDS: Add wolfstreet.com
author paulo
date Wed, 15 May 2024 00:29:19 -0700
parents 256b8df1c686
children
rev   line source
paulo@81 1 // Based on http://matthias-schuetz.js.org/tooltip.js/
paulo@81 2
paulo@81 3 var _tt_options = {
paulo@81 4 tooltipId: "tooltip",
paulo@81 5 offsetDefault: 15
paulo@81 6 };
paulo@81 7
paulo@81 8 function getTooltipElm() {
paulo@81 9 return document.querySelector("#" + _tt_options.tooltipId);
paulo@81 10 }
paulo@81 11
paulo@86 12 function adjustTooltip(evt, tooltipElm, title, text, subtext) {
paulo@81 13 var offset = _tt_options.offsetDefault;
paulo@81 14 var scrollY = window.scrollY || window.pageYOffset;
paulo@81 15 var scrollX = window.scrollX || window.pageXOffset;
paulo@81 16 var tooltipTop = evt.pageY + offset;
paulo@81 17 var tooltipLeft = evt.pageX + offset;
paulo@81 18
paulo@81 19 tooltipTop = (tooltipTop - scrollY + tooltipElm.offsetHeight + 20 >= window.innerHeight ? (tooltipTop - tooltipElm.offsetHeight - 20) : tooltipTop);
paulo@81 20 tooltipLeft = (tooltipLeft - scrollX + tooltipElm.offsetWidth + 20 >= window.innerWidth ? (tooltipLeft - tooltipElm.offsetWidth - 20) : tooltipLeft);
paulo@81 21
paulo@81 22 tooltipElm.style.top = tooltipTop + "px";
paulo@81 23 tooltipElm.style.left = tooltipLeft + "px";
paulo@81 24
paulo@86 25 setTooltipText(tooltipElm, title, text, subtext);
paulo@81 26 }
paulo@81 27
paulo@81 28 function removeTooltip() {
paulo@81 29 document.querySelector("body").removeChild(getTooltipElm());
paulo@81 30 }
paulo@81 31
paulo@86 32 function createTooltip(evt, title, text, subtext) {
paulo@81 33 var tooltipElm = getTooltipElm();
paulo@81 34
paulo@81 35 if (!tooltipElm) {
paulo@81 36 tooltipElm = document.createElement("div");
paulo@81 37 tooltipElm.appendChild(document.createElement("h1"));
paulo@81 38 tooltipElm.appendChild(document.createElement("h2"));
paulo@86 39 tooltipElm.appendChild(document.createElement("h3"));
paulo@81 40
paulo@86 41 tooltipElm.style.position = "absolute"; tooltipElm.setAttribute("id", _tt_options.tooltipId);
paulo@81 42
paulo@81 43 document.querySelector("body").appendChild(tooltipElm);
paulo@81 44 }
paulo@81 45
paulo@86 46 adjustTooltip(evt, tooltipElm, title, text, subtext);
paulo@81 47 }
paulo@81 48
paulo@86 49 function setTooltipText(tooltipElm, title, text, subtext) {
paulo@81 50 var eTitle = tooltipElm.children[0];
paulo@81 51 var eText = tooltipElm.children[1];
paulo@86 52 var eSubText = tooltipElm.children[2];
paulo@81 53 if (eTitle && title) {
paulo@81 54 eTitle.textContent = title;
paulo@81 55 }
paulo@81 56 if (eText && text) {
paulo@81 57 eText.textContent = text;
paulo@81 58 }
paulo@86 59 if (eSubText) {
paulo@86 60 eSubText.textContent = subtext;
paulo@86 61 }
paulo@81 62 }