74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
/**
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* A simple implementation of a tooltip.
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*
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* @author Joshua Ramon Enslin <joshua@jrenslin.de>
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*/
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function generateToolTips() {
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/**
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* Function for setting the alignment of an element.
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*
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* @param {Event} e Event triggering the execution of this function.
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* @param {DOMElement} elem Dom element to position.
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*
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* @return {void}
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*/
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function getDirection(e, elem) {
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if (window.innerHeight < e.clientY + elem.clientHeight) {
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elem.style.top = "";
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elem.style.bottom = (window.innerHeight - e.clientY) + "px";
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}
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else {
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elem.style.bottom = "";
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elem.style.top = (e.clientY + 2) + "px";
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}
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if (window.innerWidth < e.clientX + elem.clientWidth) {
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elem.style.left = "";
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elem.style.right = (window.innerWidth - e.clientX) + "px";
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} else {
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elem.style.right = "";
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elem.style.left = (e.clientX + 2) + "px";
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}
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}
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let triggers = document.getElementsByClassName("newToolTipTag");
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for (let i = 0, max = triggers.length; i < max; i++) {
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let trigger = triggers[i];
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let dataTarget = trigger.getAttribute("data-for");
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let target = document.getElementById("tooltip_" + dataTarget);
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trigger.addEventListener("mouseover", function(e) {
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let newMain = document.getElementById("newToolTipMain");
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if (newMain !== null) return;
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newMain = target.cloneNode(true);
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newMain.id = "newToolTipMain";
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document.getElementsByTagName("body")[0].appendChild(newMain);
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newMain.classList.add("visible");
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getDirection(e, newMain);
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});
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trigger.addEventListener("mousemove", function(e) {
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let newMain = document.getElementById("newToolTipMain");
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getDirection(e, newMain);
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});
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trigger.addEventListener("mouseout", function(e) {
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let newMain = document.getElementById("newToolTipMain");
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if (newMain.classList.contains("sticked")) return;
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newMain.classList.remove("visible");
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document.getElementsByTagName("body")[0].removeChild(newMain);
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});
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/*
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trigger.addEventListener("click", function(e) {
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document.getElementById("newToolTipMain").classList.toggle("sticked");
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});
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*/
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}
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}
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generateToolTips();
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