forked from extern/the-glorious-startpage
410 lines
11 KiB
JavaScript
410 lines
11 KiB
JavaScript
class WebMenu {
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constructor() {
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this._dashboard = document.querySelector('#rightDashboard');
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this._weatherScreen = document.querySelector('#weatherScreen');
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this._webSites = config.getWebSites();
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this._webMenu = document.querySelector('#webMenu');
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this._webMenuList = document.querySelector('#webMenuList');
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this._webMenuListContainer = document.querySelector('#webMenuListContainer');
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this._webMenuSearchBox = document.querySelector('#webMenuSearchBox');
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this._webMenuVisibility = false;
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this._webItemFocus;
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this._webListIndex = 0;
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this._init();
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}
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_init = () => {
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this._fuzzySearch();
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this._populateWebMenu();
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this._getFirstItem();
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// Disable inputs
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this._disableWebMenuInputs(true);
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this._registerWebMenuSearchBoxKeyDownEvent();
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this._registerWebMenuKeyDownEvent();
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}
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// Return web menu status
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getwebMenuVisibility = () => {
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return this._webMenuVisibility;
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}
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// Disable textboxes
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_disableWebMenuInputs = status => {
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const elems = this._webMenu.getElementsByTagName('input');
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const len = elems.length;
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for (let i = 0; i < len; i++) {
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elems[i].disabled = status;
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}
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}
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// Create callback property, to be used when enter was pressed while item is focused
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_createWebItemCallback = (li, url) => {
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// Create a callback property for the passed li
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li.callback = () => {
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window.location.href = encodeURI(url);
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}
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}
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// Sort list alphabetically
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_sortList = () => {
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Array.from(this._webMenuList.getElementsByTagName('li'))
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.sort((a, b) => a.textContent.localeCompare(b.textContent))
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.forEach(li => this._webMenuList.appendChild(li));
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}
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// Create/generate web items
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_populateWebMenu = () => {
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// Generate a list
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for (let webData of this._webSites) {
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const site = webData.site;
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const icon = webData.icon;
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const url = webData.url;
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const li = document.createElement('li');
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// Generate web item/li child
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li.insertAdjacentHTML(
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'afterbegin',
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`
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<a class='webMenuLink' href='${url}' tabindex='-1'>
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<div class='webItem' id='${'id' + site}'>
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<div class='webItemContainer'>
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<div class='webItemBody'>
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<div class='webItemIconContainer'>
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<div class='webItemIcon' style='background: url("assets/webcons/${icon}.svg"); background-size: cover;'></div>
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</div>
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<div class='webItemName'>${site}</div>
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</div>
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</div>
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</div>
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</a>
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`
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)
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// Create callback property
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this._createWebItemCallback(li, url);
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this._webMenuList.appendChild(li);
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}
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// Call to sort list
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this._sortList();
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}
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// Allow fuzzy searching in web menu
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_fuzzySearch = () => {
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String.prototype.fuzzy = function(term, ratio) {
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const string = this.toLowerCase();
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const compare = term.toLowerCase();
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let matches = 0;
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// Covers basic partial matches
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if (string.indexOf(compare) > -1) return true;
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for (let i = 0; i < compare.length; i++) {
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string.indexOf(compare[i]) > -1 ? matches += 1 : matches -=1;
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}
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return ((matches / this.length) >= ratio || term === '');
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};
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}
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// Focus on searched item
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_filterWebList = () => {
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let input, filter, ul, li, a, i, txtValue;
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input = webMenuSearchBox;
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filter = input.value.toUpperCase();
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ul = this._webMenuList;
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li = ul.getElementsByTagName('li');
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// Loop through all list items, and focus if matches the search query
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for (let i = 0; i < li.length; i++) {
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a = li[i].getElementsByClassName('webItemName')[0];
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txtValue = a.innerHTML || a.textContent || a.innerText;
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// If an item match, hightlight it and focus
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// if (txtValue.toUpperCase().indexOf(filter) !== -1) {
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if (txtValue.toUpperCase().fuzzy(filter, 1) === true) {
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// Unselect/Unhightlight old active
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const oldWebItemFocus = this._webItemFocus;
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const oldWebItemFocusChild = oldWebItemFocus.querySelector('.webItem');
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oldWebItemFocusChild.classList.remove('webItemFocus');
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// Update webItemFocus
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this._webItemFocus = li[i];
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// Update weblistindex
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this._webListIndex = i;
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// Get child
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const webItemFocusChild = this._webItemFocus.querySelector('.webItem');
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// Add webItemFocus class to child
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webItemFocusChild.classList.add('webItemFocus');
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// Scroll focus into active
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this._webItemFocus.scrollIntoView();
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}
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}
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}
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// Reset focus/go back to item #1
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_focusReset = () => {
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const oldWebItemFocus = this._webItemFocus;
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const oldWebItemFocusChild = oldWebItemFocus.querySelector('.webItem');
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oldWebItemFocusChild.classList.remove('webItemFocus');
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this._webListIndex = 0;
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}
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// Get item #1
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_getFirstItem = () => {
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const ul = this._webMenuList;
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const li = ul.getElementsByTagName('li');
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// Focus on first item
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this._webItemFocus = li[0];
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// Get child
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const webItemFocusChildren = this._webItemFocus.querySelector('.webItem');
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// Add webItemFocus class
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webItemFocusChildren.classList.add('webItemFocus');
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}
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// Show web menu screen
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showWebMenu = () => {
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this._webMenu.classList.add('showWebMenu');
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// Enable inputs
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this._disableWebMenuInputs(false);
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this._webMenuVisibility = !this._webMenuVisibility;
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// Focus to input field
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this._webMenuSearchBox.focus();
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}
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// Hide web menu screen
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hideWebMenu = () => {
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// Clear input field
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this._webMenuSearchBox.value = '';
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// Unfocus input field
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this._webMenuSearchBox.blur();
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// Refilter web list
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this._filterWebList();
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// Scroll to top
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this._webMenuListContainer.scrollTop = 0;
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// Reset focus item
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this._focusReset();
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// Get first item
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this._getFirstItem();
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this._webMenu.classList.remove('showWebMenu');
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// Disable inputs
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this._disableWebMenuInputs(true);
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this._webMenuVisibility = !this._webMenuVisibility;
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}
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// Toggle web menu screen
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toggleWebMenu = () => {
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console.log('toggle web menu');
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// If profile anim is still running,
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// Return to avoid spam
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if (profileImage.getProfileAnimationStatus()) return;
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// Rotate profile
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profileImage.rotateProfile();
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if (this._webMenuVisibility) {
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// Hide web menu
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this.hideWebMenu();
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} else {
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// Show Web menu
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this.showWebMenu();
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}
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// Check if any of these are open, if yes, close it
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if (searchBoxContainer.classList.contains('showSearchBox')) {
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console.log('searchbox is open, closing...');
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searchBoxShow.hideSearchBox();
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} else if (this._dashboard.classList.contains('showRightDashboard')) {
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console.log('dashboard is open, closing...');
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dashboard.hideDashboard();
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} else if (this._weatherScreen.classList.contains('showWeatherScreen')) {
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console.log('weather screen is open, closing...');
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weatherScreen.hideWeatherScreen();
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return;
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}
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// Toggle center box
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centeredBox.toggleCenteredBox();
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}
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// Remove focus class
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_removeClass = (el, className) => {
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// Remove webItemFocus class
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const oldWebItemFocus = el.querySelector('.webItem');
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oldWebItemFocus.classList.remove('webItemFocus');
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}
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// Add focus class
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_addClass = (el, className) => {
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const webItemFocusChild = el.querySelector('.webItem');
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// Add webItemFocus class to child
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webItemFocusChild.classList.add('webItemFocus');
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// Scroll focus into active
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webItemFocusChild.scrollIntoView();
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}
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// Arrow key navigation
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_navigateWithArrows = (key, len) => {
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// assign constiables to key codes
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const [right, left, down, up] = [39, 37, 40, 38];
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const getIndexByWindowWidth = () => {
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if (window.innerWidth <= 580) { return 1; }
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// width of elements in pixels
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const menuItemWidth = 138;
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const scrollBarWidth = 10;
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// viewport width
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const vw = unit => window.innerWidth * (unit / 100);
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// Gets the number of columns by dividing the screen width minus the padding, scroll width and
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// average of menu item width by the menu item width
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const containerWindow = ((window.innerWidth - (menuItemWidth / 2) - scrollBarWidth - vw(24)) / menuItemWidth);
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// Get rounded result
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return Math.round(containerWindow);
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}
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// Determine the index position by key
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const changeWebListIndex = () => {
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switch (key) {
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case right:
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this._webListIndex++;
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// Clear web menu searchbox
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this._webMenuSearchBox.value = '';
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break;
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case left:
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this._webListIndex--;
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// Clear web menu searchbox
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this._webMenuSearchBox.value = '';
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break;
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case up:
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this._webListIndex = this._webListIndex - getIndexByWindowWidth();
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// Clear web menu searchbox
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this._webMenuSearchBox.value = '';
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break;
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case down:
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this._webListIndex = this._webListIndex + getIndexByWindowWidth();
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// Clear web menu searchbox
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this._webMenuSearchBox.value = '';
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break;
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}
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}
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const changeItemFocus = (condition, overFlowIndex) => {
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const next = this._webMenuList.getElementsByTagName('li')[this._webListIndex];
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if(typeof next !== undefined && condition) {
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this._webItemFocus = next;
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} else {
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this._webListIndex = overFlowIndex;
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this._webItemFocus = this._webMenuList.getElementsByTagName('li')[overFlowIndex];
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}
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}
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const changeItemFocusByKey = () => {
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if (key === right) { return changeItemFocus((this._webListIndex <= len), 0) }
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if (key === left) { return changeItemFocus((this._webListIndex >= 0), len) }
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if (key === up) { return changeItemFocus((this._webListIndex >= 0), len) }
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if (key === down) { return changeItemFocus((this._webListIndex <= len), 0) }
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}
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changeWebListIndex();
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if (this._webItemFocus) {
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this._removeClass(this._webItemFocus, 'webItemFocus');
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changeItemFocusByKey();
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this._addClass(this._webItemFocus, 'webItemFocus');
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} else {
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this._webListIndex = 0;
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this._webItemFocus = this._webMenuList.getElementsByTagName('li')[0];
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this._addClass(this._webItemFocus, 'webItemFocus');
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}
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}
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_webMenuKeyDownEvent = e => {
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const len = this._webMenuList.getElementsByTagName('li').length - 1;
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this._navigateWithArrows(e.which, len);
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}
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_registerWebMenuKeyDownEvent = () => {
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this._webMenu.addEventListener('keydown', this._webMenuKeyDownEvent, false);
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}
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_webMenuSearchBoxKeyDownEvent = e => {
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// Don't hijack keyboard navigation buttons (up, down, left, right)
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if ((e.key === 'ArrowRight') || (e.key === 'ArrowDown') ||
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(e.key === 'ArrowLeft') || (e.key === 'ArrowUp')) return;
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if (e.key === 'Tab') return;
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if (e.key === 'Enter' && this._webItemFocus) {
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// Run the focused li's callback
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this._webItemFocus.callback();
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// Hide web menu
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this.toggleWebMenu();
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} else if (e.key === 'Backspace' && webMenuSearchBox.value.length < 1) {
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// Hide web menu if backspace is pressed and searchbox value is 0
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this.toggleWebMenu();
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return;
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} else if ((e.key === 'Escape') || (e.key === 'Alt')) {
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// Ignore escape and alt key
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return;
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}
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// Filter
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this._filterWebList();
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}
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_registerWebMenuSearchBoxKeyDownEvent = () => {
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this._webMenuSearchBox.onkeydown = this._webMenuSearchBoxKeyDownEvent;
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}
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}
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