blob: d7648dae66dca68ce0a160211cf9e7b07dce6abb [file] [log] [blame]
function autocomplete(inp, obj, act) {
/*the autocomplete function takes two arguments,
the text field element and an objay of possible autocompleted values:*/
var currentFocus;
/*execute a function when someone writes in the text field:*/
inp.addEventListener("input", function(e) {
var a, b, i, val = this.value;
/*close any already open lists of autocompleted values*/
clearLists();
document.querySelector(".md-google-search__empty-btn").style.display = (val ? "block" : "none");
if (!val || val.length < 3) return false;
currentFocus = -1;
var is_empty = true;
/*for each item in the object...*/
for (node in obj) {
var nomNode = obj[node].name;
if (nomNode.toUpperCase().includes(val.toUpperCase())) {
is_empty = false;
var parts = nomNode.toUpperCase().split(val.toUpperCase());
/*create a DIV element for each matching element:*/
b = document.createElement("div");
b.setAttribute("class", "autocomplete-item");
/*make the matching letters bold:*/
if (parts[0].length == 0) b.innerHTML = "";
else b.innerHTML = "<span style='font-weight: bold;'>" + nomNode.substr(0, parts[0].length) + "</span>";
b.innerHTML += nomNode.substr(parts[0].length, val.length);
b.innerHTML += "<span style='font-weight: bold;'>" + nomNode.substr(parts[0].length + val.length) + "</span>";
b.innerHTML += " <span class='autocomplete-year'>(" + obj[node].year + ")</span>";
/*include node id to keep track of which is it*/
b.dataset.id = node;
/*execute a function when someone clicks on the item value (DIV element):*/
b.addEventListener("click", function(e) {
/*insert the value for the autocomplete text field:*/
var n = this.dataset.id;
inp.value = obj[n].name;
switch (act) {
case "search":
// Move camera to desired node
cameraGoto(obj[n].x, obj[n].y);
break;
case "addEdge":
// @TODO: Add an edge between A and B
alert(obj[n].name);
break;
}
/*close the list of autocompleted values,
(or any other open lists of autocompleted values:*/
clearLists();
});
// Set "data-edges" attribute and compare with others
var nEdges = Object.keys(s.graph.neighbors(node)).length;
b.dataset.edges = nEdges;
var inserted = false;
// Sort nodes by degree
for (i in document.querySelector("#autocomplete-list").childNodes) {
var child = document.querySelector("#autocomplete-list").childNodes[i];
if (!child.dataset) break;
if (nEdges > child.dataset.edges) {
document.querySelector("#autocomplete-list").insertBefore(b, child);
inserted = true;
break;
}
}
if (!inserted) {
document.querySelector("#autocomplete-list").appendChild(b);
}
}
}
document.querySelector(".autocomplete-container").style.display = (is_empty ? "none" : "block");
});
document.querySelector(".md-google-search__empty-btn").addEventListener("click", function() {
document.querySelector("#search-input").value = "";
this.style.display = "none";
});
/*execute a function presses a key on the keyboard:*/
inp.addEventListener("keydown", function(e) {
var x = document.getElementById("autocomplete-list");
if (x) x = x.getElementsByTagName("div");
if (x.length == 0) return;
if (e.keyCode == 40) {
/*If the objow DOWN key is pressed,
increase the currentFocus variable:*/
currentFocus++;
/*and and make the current item more visible:*/
addActive(x);
} else if (e.keyCode == 38) { //up
/*If the objow UP key is pressed,
decrease the currentFocus variable:*/
currentFocus--;
/*and and make the current item more visible:*/
addActive(x);
} else if (e.keyCode == 13) {
/*If the ENTER key is pressed, prevent the form from being submitted,*/
e.preventDefault();
if (currentFocus > -1) {
/*and simulate a click on the "active" item:*/
if (x) x[currentFocus].click();
}
}
});
function addActive(x) {
/*a function to classify an item as "active":*/
if (!x) return false;
/*start by removing the "active" class on all items:*/
removeActive(x);
if (currentFocus >= x.length) currentFocus = 0;
if (currentFocus < 0) currentFocus = (x.length - 1);
/*add class "autocomplete-active":*/
x[currentFocus].classList.add("autocomplete-active");
}
function removeActive(x) {
/*a function to remove the "active" class from all autocomplete items:*/
for (var i = 0; i < x.length; i++) {
x[i].classList.remove("autocomplete-active");
}
}
function clearLists() {
/*close all autocomplete lists in the document,
except the one passed as an argument:*/
var x = document.querySelector("#autocomplete-list");
x.innerHTML = "";
document.querySelector(".autocomplete-container").style.display = "none";
}
/*execute a function when someone clicks in the document:*/
document.addEventListener("click", function (e) {
clearLists();
});
}