47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
|
filterSelection("all")
|
||
|
|
function filterSelection(c) {
|
||
|
|
var x, i;
|
||
|
|
x = document.getElementsByClassName("filterDiv");
|
||
|
|
if (c == "all") c = "";
|
||
|
|
// Add the "show" class (display:block) to the filtered elements, and remove the "show" class from the elements that are not selected
|
||
|
|
for (i = 0; i < x.length; i++) {
|
||
|
|
w3RemoveClass(x[i], "show");
|
||
|
|
if (x[i].className.indexOf(c) > -1) w3AddClass(x[i], "show");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Show filtered elements
|
||
|
|
function w3AddClass(element, name) {
|
||
|
|
var i, arr1, arr2;
|
||
|
|
arr1 = element.className.split(" ");
|
||
|
|
arr2 = name.split(" ");
|
||
|
|
for (i = 0; i < arr2.length; i++) {
|
||
|
|
if (arr1.indexOf(arr2[i]) == -1) {
|
||
|
|
element.className += " " + arr2[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hide elements that are not selected
|
||
|
|
function w3RemoveClass(element, name) {
|
||
|
|
var i, arr1, arr2;
|
||
|
|
arr1 = element.className.split(" ");
|
||
|
|
arr2 = name.split(" ");
|
||
|
|
for (i = 0; i < arr2.length; i++) {
|
||
|
|
while (arr1.indexOf(arr2[i]) > -1) {
|
||
|
|
arr1.splice(arr1.indexOf(arr2[i]), 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
element.className = arr1.join(" ");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add active class to the current control button (highlight it)
|
||
|
|
var btnContainer = document.getElementById("myBtnContainer");
|
||
|
|
var btns = btnContainer.getElementsByClassName("filterBtn");
|
||
|
|
for (var i = 0; i < btns.length; i++) {
|
||
|
|
btns[i].addEventListener("click", function() {
|
||
|
|
var current = document.getElementsByClassName("active");
|
||
|
|
current[0].className = current[0].className.replace(" active", "");
|
||
|
|
this.className += " active";
|
||
|
|
});
|
||
|
|
}
|