From 0259f4676a6fad731b4b16b3620c358afdb42fdc Mon Sep 17 00:00:00 2001
From: undisclosed
Date: Sun, 22 Jan 2023 14:32:22 +0000
Subject: [PATCH] Experimentell: JavaScript-Player fuer 'hier spielen' bei Abspiellisten
---
www/js/app.js | 279 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 261 insertions(+), 18 deletions(-)
diff --git a/www/js/app.js b/www/js/app.js
index 38da416..e083851 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -7,6 +7,10 @@
//var katUrl;
//var selTitel;
var katName;
+ var playingIndex;
+ var audioCtx;
+ var playState; // 'pause' oder 'play' oder 'stop'
+ var audioElem;
this.init = function () {
self.mediaPfad = '/';
@@ -36,7 +40,7 @@
self.fusszeile_umschalten();
self.seitenleiste_umschalten();
- self.dialog_unten_zeigen();
+ self.dialog_unten_zeigen();
};
/* ---------------- Entitaets-Listen ----------------- */
@@ -374,7 +378,14 @@
self.addEvtListener('#plst-btn', 'click', self.titel_liste);
self.addEvtListener('#live-btn', 'click', self.livestream_selection);
self.addEvtListener('#switch-btn', 'click', self.geraet_schalt_liste);
-
+
+ self.addEvtListener('#voldn-btn', 'click', function() {
+ self.kommando('voldn');
+ });
+ self.addEvtListener('#volup-btn', 'click', function() {
+ self.kommando('volup');
+ });
+
self.media_liste();
});
};
@@ -395,6 +406,47 @@
self.removeClassMulti('selected');
t.classList.add('selected');
});
+ self.addEvtListener('.entity-eintrag', 'dragstart', function (e) {
+ //console.log("drag started");
+ e.dataTransfer.setData('text/plain', e.target.textContent);
+ setTimeout(() => {
+ e.target.classList.add('hide');
+ e.target.classList.add('drag-elem');
+ }, 0);
+ });
+ self.addEvtListener('.entity-eintrag', 'dragenter', function (e) {
+ e.preventDefault();
+ //console.log("drag enter");
+ e.target.classList.add('drag-over');
+ });
+ self.addEvtListener('.entity-eintrag', 'dragover', function (e) {
+ e.preventDefault();
+ //console.log("drag over");
+ e.target.classList.add('drag-over');
+ });
+ self.addEvtListener('.entity-eintrag', 'dragleave', function (e) {
+ //console.log("drag leave");
+ e.target.classList.remove('drag-over');
+ });
+ self.addEvtListener('.entity-eintrag', 'drop', function (e) {
+ e.preventDefault();
+ //console.log("drop");
+ //console.log("index: " + self.getIndexBySelector('drag-over'));
+ const pos = self.getIndexBySelector('drag-elem');
+ const zielPos = self.getIndexBySelector('drag-over');
+ const titeltext = e.dataTransfer.getData('text/plain');
+ const draggable = document.querySelector(".drag-elem");
+ draggable.classList.remove("drag-elem");
+ e.target.classList.remove('drag-over');
+ var plname = document.querySelector('#playlist').value;
+ self.http_put('api/alist/' + plname + "/" + pos + "/" + zielPos, '', function(responseText) {
+ //self.meldung_mit_timeout(responseText, 1500);
+ });
+ ulElem = draggable.parentElement;
+ ulElem.removeChild(draggable);
+ e.target.insertAdjacentElement('beforebegin', draggable);
+ draggable.classList.remove('hide');
+ });
});
});
};
@@ -442,10 +494,43 @@
};
this.kommando = function(kommando) {
- var abs = document.querySelector('#abspieler').value;
- self.http_get('api/strg/' + abs + '/' + kommando, function(responseText) {
- self.meldung_mit_timeout(responseText, 1500);
- });
+ console.log(kommando);
+ if(self.playingIndex > -1) {
+ //const audioElements = document.querySelectorAll('.entity-eintrag');
+ //const audioElements = document.querySelectorAll("audio");
+ //const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+ //const track = self.audioCtx.createMediaElementSource(audioElements[self.playingIndex]);
+ //track.connect(self.audioCtx.destination);
+ if(kommando === 'stop') {
+ self.audioElem.pause();
+ self.audioElem.currentTime = 0;
+ self.audioElem.removeEventListener("ended", self.nextTrack);
+ self.playingIndex = -1;
+ self.playState = 'stop';
+ } else if(kommando === 'pause') {
+ if(self.playState === 'pause') {
+ self.playState = 'play';
+ self.audioElem.play();
+ } else if(self.playState === 'play') {
+ self.playState = 'pause';
+ self.audioElem.pause();
+ }
+ } else if(kommando === 'play') {
+ if(self.playingIndex < 0) {
+ self.nextTrack();
+ } else {
+ self.audioElem.play();
+ }
+ self.playState = 'play';
+ }
+ } else {
+ var abs = document.querySelector('#abspieler').value;
+ self.http_get('api/strg/' + abs + '/' + kommando, function(responseText) {
+ if(kommando !== 'volup' && kommando !== 'voldn') {
+ self.meldung_mit_timeout(responseText, 1500);
+ }
+ });
+ }
};
this.hier_spielen = function() {
@@ -480,11 +565,136 @@
// hier noch URL fuer Stream der Abspielliste abrufen
// Es muss auch noch die Funktion auf dem Server gabut werden, die
// eine Abspielliste als Stream liefert
- url = 'Stream fuer Abspielliste ' + lst + ' noch nicht gebaut.';
+ //url = 'Stream fuer Abspielliste ' + lst + ' noch nicht gebaut.';
+ //self.hier_spielen_liste();
+ self.playingIndex = -1;
+ self.nextTrack();
}
- console.log('url: ' + url);
+ //console.log('url: ' + url);
//window.open(url);
};
+
+ this.hier_spielen_liste = function() {
+ const elements = document.querySelectorAll('.entity-eintrag');
+
+ //var i = 0;
+ //var ersterTitel;
+ //elements.forEach(function (element) {
+ // const attr = element.attributes;
+ // var titel = host + attr.getNamedItem('data-kat').value +
+ // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
+ // console.log(titel);
+ // + element.data-pfad + element.data-datei);
+ // if(i++ === 0) {
+ // ersterTitel = titel;
+ // }
+ //});
+
+
+ // Web Audio API Player ab hier
+
+ //const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+
+ //const AudioContext = window.AudioContext || window.webkitAudioContext;
+ //const audioContext = new AudioContext();
+
+ // get the audio elements
+ self.playingIndex = -1;
+ //const audioElements = document.querySelectorAll("audio");
+
+ // pass it into the audio context
+ //const track = audioCtx.createMediaElementSource(audioElements[self.playingIndex]);
+ //track.connect(audioCtx.destination);
+
+ //audioElements[self.playingIndex].addEventListener(
+ // "ended",
+ // () => {
+ //
+ // },
+ // false
+ //);
+
+ //audioElements[self.playingIndex].play();
+ self.nextTrack();
+ };
+
+ this.nextTrack = function() {
+ // ...
+ // mySound = new Audio('sound.mp3');
+ // mySound.play()
+ // const audioElements = document.querySelectorAll("audio");
+ const audioElements = document.querySelectorAll('.entity-eintrag');
+
+
+
+ if(self.playingIndex > -1) {
+ self.audioElem.removeEventListener("ended", self.nextTrack);
+ //audioElements[self.playingIndex].removeEventListener("ended", self.nextTrack);
+ //const element = audioElements[self.playingIndex];
+ //const attr = element.attributes;
+ //var titel = host + attr.getNamedItem('data-kat').value +
+ // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
+ //const titelElem = new Audio(titel);
+ }
+ // <audio class='audio-elem' src='/tango{{katalogUrl}}{{pfad}}{{name}}'></audio>
+ self.playingIndex++;
+ if(self.playingIndex < audioElements.length) {
+ //const element = audioElements[self.playingIndex];
+ //const attr = element.attributes;
+ //var titel = host + attr.getNamedItem('data-kat').value +
+ // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
+ const titel = self.getTitelFromAudioElement(audioElements, self.playingIndex);
+ console.log("titel: " + titel);
+ //const titelElem = new Audio(titel);
+ self.audioElem = new Audio(titel);
+
+ self.audioElem.addEventListener("ended", self.nextTrack);
+ self.audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+ const track = self.audioCtx.createMediaElementSource(self.audioElem);
+ track.connect(self.audioCtx.destination);
+ self.audioElem.play();
+ self.playState = 'play';
+
+
+ //const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+ }
+ };
+
+ this.getTitelFromAudioElement = function(audioElements, index) {
+ //const audioElements = document.querySelectorAll('.entity-eintrag');
+ const host = 'http://' + window.location.host + '/tango';
+ const element = audioElements[index];
+ const attr = element.attributes;
+ const titel = host + attr.getNamedItem('data-kat').value +
+ attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
+ return titel;
+ };
+
+ this.gehe_zu_dialog_zeigen = function () {
+ self.dialog_laden_und_zeigen('data/tpl/gehe-zu.txt', '', function(){
+ const form = document.querySelector('form');
+ form.addEventListener('submit', function(event) {
+ // hier gehe zu realisieren
+ event.preventDefault();
+ const data = new FormData(event.target);
+ const value = Object.fromEntries(data.entries());
+ var daten = JSON.stringify(value);
+ console.log('gehe zu mit ' + daten);
+ var sekunden = (value['std'] * 3600) + (value['min'] * 60) + (value['sek'] * 1);
+ if(value['richtung'] === 'zurueck') {
+ sekunden *= -1;
+ }
+ console.log('sekunden: ' + sekunden);
+ self.dialog_schliessen();
+ // HTTP GET /mz/api/strg/abspieler/seek/[sekunden]
+ self.kommando('seek/' + sekunden);
+ });
+ self.addEvtListener('#cancel-btn', 'click', function(event) {
+ self.dialog_schliessen();
+ });
+ self.menue_umschalten();
+ });
+ };
/* ------------- Verwaltungsfunktionen Abspielliste -------------------- */
@@ -497,6 +707,17 @@
});
};
+ /*
+ * {
+ * "katalogUrl":"/media",
+ * "pfad":"/Musik/B/Bay-City-Rollers/Original-Album-Classics/3/",
+ * "name":"3-37-Love-Is.mp3",
+ * "interpret":"Bay City Rollers",
+ * "titelAnzName":"Love Is",
+ * "album":"Original Album Classics"
+ * }
+ * @returns {undefined}
+ */
this.titelDazu = function() {
var titel = self.titelErmitteln(document.querySelector(".selected"));
//var titelName = elem.textContent;
@@ -519,20 +740,22 @@
};
this.titelWeg = function() {
- var elem = document.querySelector(".selected");
- var parentElem = elem.parentNode;
+ //var elem = document.querySelector(".selected");
+ //var parentElem = elem.parentNode;
//console.log("elem: " + elem.nodeName + ", parent: " + parentElem.nodeName + ", len: " + parentElem.childNodes.length);
- var liElems = parentElem.getElementsByTagName(elem.nodeName); // nur die LI Elemente
+ //var liElems = parentElem.getElementsByTagName(elem.nodeName); // nur die LI Elemente
//console.log("liElems.anz: " + liElems.length);
- var gefunden = false;
- for(var i = 0; i < liElems.length && !gefunden; i++) {
+ //var gefunden = false;
+ //for(var i = 0; i < liElems.length && !gefunden; i++) {
//console.log(liElems.item(i).textContent);
- if(liElems.item(i).classList.contains("selected")) {
- gefunden = true;
- var index = i;
+ //if(liElems.item(i).classList.contains("selected")) {
+ //gefunden = true;
+ //var index = i;
//console.log(elem.textContent + ' hat Index ' + i);
- }
- }
+ //}
+ //}
+
+ const index = self.getIndexBySelector("selected");
// /mz/api/alist/[pl-name]/[nr]
var plname = document.querySelector('#playlist').value;
self.http_delete('api/alist/' + plname + '/' + index,'', function(responseText) {
@@ -543,6 +766,26 @@
};
+ this.getIndexBySelector = function(selector) {
+ var qSel = '.' + selector;
+ var elem = document.querySelector(qSel);
+ var parentElem = elem.parentNode;
+ //console.log("elem: " + elem.nodeName + ", parent: " + parentElem.nodeName + ", len: " + parentElem.childNodes.length);
+ var liElems = parentElem.getElementsByTagName(elem.nodeName); // nur die LI Elemente
+ //console.log("liElems.anz: " + liElems.length);
+ var gefunden = false;
+ var index = -1;
+ for(var i = 0; i < liElems.length && !gefunden; i++) {
+ //console.log(liElems.item(i).textContent);
+ if(liElems.item(i).classList.contains(selector)) {
+ gefunden = true;
+ index = i;
+ //console.log(elem.textContent + ' hat Index ' + i);
+ }
+ }
+ return index;
+ };
+
/* ------------- Helfer fuer Entitaets-Formulare ----------------------- */
/*
--
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