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