script.js aktualisiert
Neuer Modus um die Presets zu bearbeiten
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simonpipe
parent
65d63a9a6a
commit
d86e682db5
1 changed files with 124 additions and 218 deletions
336
script.js
336
script.js
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@ -1,107 +1,51 @@
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document.addEventListener('DOMContentLoaded', function () {
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// === Abschnitt: Globale Variablen ===
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const presetContainer = document.getElementById('preset-container');
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const newPresetForm = document.getElementById('new-preset-form');
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const newPresetNameInput = document.getElementById('new-preset-name');
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const newPresetUrlInput = document.getElementById('new-preset-url');
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const exportButton = document.getElementById('export-button');
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const importButton = document.getElementById('import-button');
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const loadPresetsLink = document.getElementById('load-presets-link');
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const stopButton = document.querySelector('.stop-button');
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const currentStationName = document.getElementById('current-station-name');
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const presetModal = document.getElementById('preset-modal');
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const tableBody = document.querySelector('#sortable-tbody');
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const editPresetsButton = document.getElementById('edit-presets-button');
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let currentPlayingItem = null; // Speichert das aktuell spielende Element
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let currentSound = null;
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let presets = [];
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// === Abschnitt: Initialisierung ===
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initializeFooter();
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loadPresets();
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initializeEventListeners();
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loadExistingPresets();
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setupSortable();
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// === Funktion: Footer dynamisch aktualisieren ===
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function initializeFooter() {
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const currentYear = new Date().getFullYear();
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const currentYearElement = document.getElementById('current-year');
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if (currentYearElement) {
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currentYearElement.textContent = currentYear;
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document.getElementById('current-year').textContent = currentYear;
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document.getElementById('server-name').textContent = window.location.hostname;
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}
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const serverName = window.location.hostname;
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const serverNameElement = document.getElementById('server-name');
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if (serverNameElement) {
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serverNameElement.textContent = serverName;
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}
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}
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// === Funktion: Titel dynamisch ändern ===
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function updateTitle(stationName) {
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if (stationName) {
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document.title = `${stationName} - Radioplayer mit Presets`;
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} else {
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document.title = "Radioplayer mit Presets";
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}
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document.title = stationName ? `${stationName} - Radioplayer mit Presets` : "Radioplayer mit Presets";
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}
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// === Abschnitt: Event-Listener ===
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function initializeEventListeners() {
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newPresetForm.addEventListener('submit', (event) => {
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event.preventDefault(); // Verhindert die Standardaktion (Seiten-Reload)
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const presetName = newPresetNameInput.value.trim();
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const presetUrl = newPresetUrlInput.value.trim();
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if (!presetName || !presetUrl) {
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alert("Bitte geben Sie einen Namen und eine URL ein.");
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return;
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}
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if (!isValidHttpUrl(presetUrl)) {
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alert("Bitte geben Sie eine gültige HTTP- oder HTTPS-URL ein.");
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return;
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}
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addNewPreset(presetName, presetUrl);
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savePresetToLocalStorage(presetName, presetUrl);
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newPresetNameInput.value = '';
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newPresetUrlInput.value = '';
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});
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exportButton.addEventListener('click', exportPresets);
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importButton.addEventListener('click', importPresets);
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loadPresetsLink.addEventListener('click', loadPresetsFromFile);
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stopButton.addEventListener('click', stopPlayback);
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// Event-Listener für den "Presets bearbeiten"-Button
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editPresetsButton.addEventListener('click', () => {
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toggleEditMode();
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const isPressed = editPresetsButton.getAttribute('aria-pressed') === 'true';
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editPresetsButton.setAttribute('aria-pressed', !isPressed);
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});
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editPresetsButton.addEventListener('click', openModal);
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}
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// === Funktion: URL-Validierung ===
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function isValidHttpUrl(url) {
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async function loadPresets() {
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presets = JSON.parse(localStorage.getItem('presets')) || [];
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if (presets.length === 0) {
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try {
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const parsedUrl = new URL(url);
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return parsedUrl.protocol === "http:" || parsedUrl.protocol === "https:";
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} catch (e) {
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return false;
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const response = await fetch('webradio_presets.json');
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if (!response.ok) throw new Error('Datei konnte nicht geladen werden');
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presets = await response.json();
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localStorage.setItem('presets', JSON.stringify(presets));
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} catch (error) {
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alert('Fehler beim Laden der Presets: ' + error.message);
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}
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}
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displayPresets(presets);
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renderPresets();
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initSortable();
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}
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// Funktion zum Ein- und Ausblenden der Bearbeitungsbuttons
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function toggleEditMode() {
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const presetItems = document.querySelectorAll('.preset-item');
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presetItems.forEach(item => {
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const buttons = item.querySelectorAll('.edit-button, .delete-button, .move-button');
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buttons.forEach(button => button.classList.toggle('hidden'));
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});
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}
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// === Funktion: Preset-Handling ===
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function loadExistingPresets() {
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const presets = JSON.parse(localStorage.getItem('presets')) || [];
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function displayPresets(presets) {
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presetContainer.innerHTML = '';
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presets.forEach(preset => addNewPreset(preset.name, preset.url));
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}
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@ -109,177 +53,139 @@ document.addEventListener('DOMContentLoaded', function () {
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const presetItem = document.createElement('div');
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presetItem.classList.add('preset-item');
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presetItem.dataset.streamUrl = url;
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presetItem.innerHTML = `
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<h3>${name}</h3>
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<div class="button-container">
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<button class="move-button hidden" aria-label="Verschieben" title="Verschieben"><i class="fas fa-arrows-alt" style="color:grey"></i></button>
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<button class="edit-button hidden" aria-label="Bearbeiten" title="Bearbeiten"><i class="fas fa-edit" style="color:grey"></i></button>
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<button class="delete-button hidden" aria-label="Löschen" title="Löschen"><i class="fas fa-trash-alt" style="color:grey"></i></button>
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</div>
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`;
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presetItem.querySelector('.edit-button').addEventListener('click', (event) => {
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event.stopPropagation();
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editPreset(presetItem, name, url);
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});
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presetItem.querySelector('.delete-button').addEventListener('click', (event) => {
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event.stopPropagation();
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deletePreset(presetItem);
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});
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presetItem.innerHTML = `<h3>${name}</h3>`;
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presetItem.addEventListener('click', () => playStream(url, presetItem));
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presetContainer.appendChild(presetItem);
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}
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function editPreset(item, currentName, currentUrl) {
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const newName = prompt("Neuer Name:", currentName);
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const newUrl = prompt("Neue URL:", currentUrl);
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if (newName !== null && newUrl !== null) {
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item.querySelector('h3').textContent = newName;
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item.dataset.streamUrl = newUrl;
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savePresetOrder();
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}
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function renderPresets() {
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tableBody.innerHTML = '';
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presets.forEach((preset, index) => {
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const row = document.createElement('tr');
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row.setAttribute('data-index', index);
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row.innerHTML = `
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<td class="drag-handle">☰</td>
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<td><input type="text" value="${preset.name}" onchange="changeName(${index}, this.value)"></td>
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<td><input type="text" value="${preset.url}" onchange="changeURL(${index}, this.value)"></td>
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<td><button class="delete-btn" onclick="deletePreset(${index})"><i class="fas fa-trash-alt" style="color:grey"></i></button></td>
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`;
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tableBody.appendChild(row);
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});
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}
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function deletePreset(item) {
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if (confirm("Möchten Sie diesen Sender wirklich löschen?")) {
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presetContainer.removeChild(item);
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savePresetOrder();
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}
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}
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function savePresetToLocalStorage(name, url) {
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const presets = JSON.parse(localStorage.getItem('presets')) || [];
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presets.push({ name, url });
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localStorage.setItem('presets', JSON.stringify(presets));
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}
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function savePresetOrder() {
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const presetItems = Array.from(presetContainer.children);
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const presets = presetItems.map(item => ({
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name: item.querySelector('h3').textContent,
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url: item.dataset.streamUrl
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}));
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localStorage.setItem('presets', JSON.stringify(presets));
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}
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// === Funktion: Audio-Handling ===
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function playStream(url, item) {
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if (currentPlayingItem) {
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const currentAudio = currentPlayingItem.querySelector('audio');
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if (currentAudio) {
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currentAudio.pause();
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currentAudio.remove();
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}
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currentPlayingItem.classList.remove('playing');
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}
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const audioElement = new Audio(url);
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audioElement.autoplay = true;
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audioElement.loop = true;
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audioElement.volume = 0.5;
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audioElement.onerror = () => alert('Fehler beim Laden des Streams: ' + url);
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item.appendChild(audioElement);
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item.classList.add('playing');
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currentPlayingItem = item;
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currentStationName.textContent = 'Es läuft: ' + item.querySelector('h3').textContent;
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stopButton.classList.remove('hidden'); // Stopp-Button einblenden
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stopPlayback();
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currentSound = new Howl({
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src: [url],
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html5: true,
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volume: 0.5,
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onplay: () => {
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stopButton.classList.remove('hidden');
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updateTitle(item.querySelector('h3').textContent);
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currentStationName.textContent = 'Es läuft: ' + item.querySelector('h3').textContent;
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},
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onstop: () => {
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stopButton.classList.add('hidden');
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currentStationName.textContent = 'Wähle einen Sender aus';
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updateTitle('');
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}
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});
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currentSound.play();
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}
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function stopPlayback() {
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if (currentPlayingItem) {
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const audioElement = currentPlayingItem.querySelector('audio');
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if (audioElement) {
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audioElement.pause();
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audioElement.currentTime = 0;
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currentPlayingItem.classList.remove('playing');
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currentPlayingItem = null;
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currentStationName.textContent = 'Wähle einen Sender aus';
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if (currentSound) {
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currentSound.stop();
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currentSound = null;
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}
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}
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stopButton.classList.add('hidden'); // Stopp-Button ausblenden
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updateTitle('');
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function openModal() {
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presetModal.classList.remove('hidden');
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presetModal.style.display = 'block';
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renderPresets();
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}
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// === Funktion: Preset-Import und -Export ===
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function exportPresets() {
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const presets = JSON.parse(localStorage.getItem('presets')) || [];
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const json = JSON.stringify(presets, null, 2);
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window.closeModal = function() {
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presetModal.classList.add('hidden');
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presetModal.style.display = 'none';
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}
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const blob = new Blob([json], { type: 'application/json' });
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window.addPreset = function() {
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presets.push({ name: 'Neuer Sender', url: '' });
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renderPresets();
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}
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window.changeName = function(index, newName) {
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presets[index].name = newName;
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}
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window.changeURL = function(index, newURL) {
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presets[index].url = newURL;
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}
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window.deletePreset = function(index) {
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presets.splice(index, 1);
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renderPresets();
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}
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window.saveAndClose = function() {
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savePresets();
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closeModal();
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location.reload();
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}
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function savePresets() {
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localStorage.setItem('presets', JSON.stringify(presets));
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}
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function initSortable() {
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const sortable = new Sortable(tableBody, {
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handle: '.drag-handle',
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animation: 150,
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onEnd: function (evt) {
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const newOrder = Array.from(tableBody.children).map(row => parseInt(row.getAttribute('data-index')));
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presets = newOrder.map(index => presets[index]);
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}
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});
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}
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window.exportPreset = function() {
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const presetsJSON = JSON.stringify(presets, null, 2);
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const blob = new Blob([presetsJSON], { type: 'application/json' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = 'webradio_presets.json';
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a.download = 'radio_presets.json';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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}
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function importPresets() {
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window.importPreset = function() {
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const input = document.createElement('input');
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input.type = 'file';
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input.accept = '.json';
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input.addEventListener('change', (event) => {
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input.accept = 'application/json';
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input.onchange = function(event) {
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const file = event.target.files[0];
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if (file) {
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const reader = new FileReader();
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reader.onload = (e) => {
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reader.onload = function(e) {
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try {
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const importedPresets = JSON.parse(e.target.result);
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if (Array.isArray(importedPresets)) {
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localStorage.setItem('presets', JSON.stringify(importedPresets));
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presetContainer.innerHTML = '';
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importedPresets.forEach(preset => addNewPreset(preset.name, preset.url));
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alert("Presets erfolgreich importiert.");
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} else {
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throw new Error("Ungültiges Format.");
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}
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presets = importedPresets;
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localStorage.setItem('presets', JSON.stringify(presets));
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renderPresets();
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displayPresets(presets);
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location.reload();
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} catch (error) {
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alert("Fehler beim Importieren: " + error.message);
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alert('Fehler beim Importieren der Presets: Ungültige Datei.');
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}
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};
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reader.readAsText(file);
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}
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});
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};
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input.click();
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}
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function loadPresetsFromFile(event) {
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event.preventDefault();
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fetch('/webradio_presets.json')
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.then(response => {
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if (!response.ok) {
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throw new Error('Datei konnte nicht geladen werden');
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}
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return response.json();
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})
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.then(data => {
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localStorage.setItem('presets', JSON.stringify(data));
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presetContainer.innerHTML = '';
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data.forEach(preset => addNewPreset(preset.name, preset.url));
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alert('Presets erfolgreich geladen.');
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})
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.catch(error => alert('Fehler: ' + error.message));
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}
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// === Funktion: Sortierbare Presets ===
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function setupSortable() {
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new Sortable(presetContainer, {
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animation: 250,
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ghostClass: 'ghost',
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handle: '.move-button',
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onEnd: savePresetOrder
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});
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}
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});
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