89 lines
2.4 KiB
JavaScript
89 lines
2.4 KiB
JavaScript
window.onload = function() {
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setInterval(updateDashboard, 500)
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}
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oldEmployeeCount = -1
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maxLightWidth = 100
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function updateDashboard() {
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currentStatus = getEmployeeStatus()
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currentStatus.then(function(data) {
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jsonData = data
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employeeCount = 0
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for (var employee in jsonData) {
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employeeCount += 1
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if (!jsonData.hasOwnProperty(employee)) continue;
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employeeName = jsonData[employee][0]
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employeeRoom = jsonData[employee][1]
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available = jsonData[employee][2]
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light_id = employeeName.replace(" ", "_")
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light_label = employeeName
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room_id = "room_" + employeeRoom.replace(" ", "_")
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room_label = employeeRoom
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drawLight(available, light_id, light_label, room_id, room_label)
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}
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if (employeeCount != oldEmployeeCount) {
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console.log("employee count changed, recalculate max size")
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oldEmployeeCount = employeeCount
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maxLightWidth = findSmallestBoundBox()
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}
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}).catch(function(err) {
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console.log(err)
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})
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}
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function getEmployeeStatus() {
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return fetch('getStatus', {
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method: 'post'
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}).then(function(response) {
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return response.json()
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}).catch(function(err) {
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console.log(err)
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});
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}
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function createOrGetRoomContainer(room_id, room_label) {
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roomContainer = document.querySelectorAll(".room." + room_id)
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if (roomContainer.length > 0) {
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return roomContainer[0]
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} else {
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roomContainer = createRoomContainer(room_id, room_label)
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document.body.appendChild(roomContainer)
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return roomContainer
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}
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}
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function createRoomContainer(room_id, room_label) {
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roomContainer = document.createElement("div")
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roomContainer.classList.add("room")
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roomContainer.classList.add(room_id)
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label = document.createElement("div")
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label.classList.add("label")
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label.innerHTML = "Zimmer " + room_label
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light = document.createElement("div")
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light.classList.add("lights")
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roomContainer.appendChild(label)
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roomContainer.appendChild(light)
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return roomContainer
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}
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function findSmallestBoundBox() {
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allLights = document.querySelectorAll(".lights")
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smallestBox = 1000
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if (allLights.length > 0) {
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for (i = 0; i < allLights.length; i++) {
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if (allLights[i].parentElement.getBoundingClientRect().width < smallestBox) { smallestBox = allLights[i].parentElement.getBoundingClientRect().width }
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}
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}
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return smallestBox;
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}
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function clearCanvas() {
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canvas = document.getElementsByClassName("lights")[0];
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cxt = canvas.getContext("2d");
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cxt.clearRect(0, 0, canvas.width, canvas.height);
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}
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