From a0ecf24dedf8ecde4630499274fa108e9eb1d8ff Mon Sep 17 00:00:00 2001
From: ulrich
Date: Fri, 22 Nov 2024 08:21:50 +0000
Subject: [PATCH] Angaben in Readme praezisiert.
---
www/js/app.js | 286 +++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 248 insertions(+), 38 deletions(-)
diff --git a/www/js/app.js b/www/js/app.js
index 752e918..fafbd3d 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -4,9 +4,14 @@
var cache; // mustache templates
var ortPfad;
var mediaPfad;
- var katUrl;
- var selTitel;
+ //var katUrl;
+ //var selTitel;
var katName;
+ var playingIndex;
+ var audioCtx;
+ var playState; // 'pause' oder 'play' oder 'stop'
+ var audioElem;
+ var playingList;
this.init = function () {
self.mediaPfad = '/';
@@ -36,9 +41,9 @@
self.fusszeile_umschalten();
self.seitenleiste_umschalten();
- self.dialog_unten_zeigen();
+ self.dialog_unten_zeigen();
};
-
+
/* ---------------- Entitaets-Listen ----------------- */
this.livestream_selection = function() {
@@ -359,7 +364,10 @@
self.addEvtListener('#pause-btn', 'click', function() {
self.kommando('pause');
});
- self.addEvtListener('#weiter-btn', 'click', self.weiter);
+ //self.addEvtListener('#weiter-btn', 'click', self.weiter);
+ self.addEvtListener('#weiter-btn', 'click', function() {
+ self.kommando('next');
+ });
self.addEvtListener('#hier-btn', 'click', self.hier_spielen);
@@ -374,7 +382,14 @@
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 +410,47 @@
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');
+ });
});
});
};
@@ -429,23 +485,71 @@
}
};
+ /*
+ * DEPRECATED
+ */
this.weiter = function() {
- var bereichName = document.querySelector('.bereich-name').textContent;
- if(bereichName === '') {
- var titel = self.titelErmitteln(document.querySelector(".selected"));
- var playername = document.querySelector('#abspieler').value;
- console.log('plname: ' + playername + ' url: ' + titel.katalogUrl + titel.pfad + titel.name);
- self.http_post('api/strg/' + playername + '/weiter/titel', JSON.stringify(titel), function(responseText) {
- self.meldung_mit_timeout(responseText, 1500);
- });
- }
+ //var bereichName = document.querySelector('.bereich-name').textContent;
+ //if(bereichName === '') {
+ // var titel = self.titelErmitteln(document.querySelector(".selected"));
+ // var playername = document.querySelector('#abspieler').value;
+ // console.log('plname: ' + playername + ' url: ' + titel.katalogUrl + titel.pfad + titel.name);
+ // self.http_post('api/strg/' + playername + '/weiter/titel', JSON.stringify(titel), function(responseText) {
+ // self.meldung_mit_timeout(responseText, 1500);
+ // });
+ //}
};
+ /*
+ * Ein Abspieler-Kommando ausfuehren. Der Client entscheidet anhand
+ * des Indikators self.playingIndex, ob 'hier spielen' gewaehlt wurde
+ * (playingIndex groesser -1) oder das Kommando an den Server gehen soll.
+ *
+ * self.kommendo('play') wird nur von der Schaltflaeche 'hier spielen' gerufen.
+ * Die Schaltflaeche Play ist mit self.play verknuepft (s.o.) und spielt Listen
+ * oder Titel ueber des Server und Calypso.
+ *
+ * @param {type} kommando stop, pause, next, play
+ * @returns nichts
+ */
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) {
+ 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 === 'next') {
+ const curidx = self.playingIndex;
+ self.kommando('stop');
+ self.playingIndex = curidx;
+ self.nextTrack();
+ } 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() {
@@ -477,14 +581,83 @@
console.log(
"play playlist.value: " + document.querySelector('#playlist').value +
", abspieler.value: " + document.querySelector('#abspieler').value);
- // 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.';
+ self.playingIndex = -1;
+ self.nextTrack();
}
- console.log('url: ' + url);
- //window.open(url);
};
+
+ this.nextTrack = function() {
+ /*
+
+ {
+ "katalogUrl":"/media",
+ "pfad":"/Musik/M/Bruno-Mars/",
+ "name":"04-Uptown-Funk.mp3",
+ "interpret":"Mark Ronson feat Bruno Mars",
+ "titelAnzName":"Uptown Funk",
+ "album":"Uptown Special Explicit"
+ }
+
+ */
+ //const plname = document.querySelector('#playlist').value;
+ if(self.playingIndex > -1) {
+ self.audioElem.removeEventListener("ended", self.nextTrack);
+ } else {
+ self.playingList = document.querySelector('#playlist').value;
+ }
+ self.playingIndex++;
+ const url = 'api/alist/' + self.playingList + "/" + self.playingIndex;
+ self.http_get(url, function(responseText){
+ if(responseText === 'eom') {
+ // ende
+ self.audioElem.removeEventListener("ended", self.nextTrack);
+ self.playingIndex = -1;
+ self.playState = 'stop';
+ } else {
+ const titel = JSON.parse(responseText);
+ console.log("titel: " + titel.name);
+ const titelUrl = self.getTitelFromJSONObj(titel);
+ //const titelElem = new Audio(titel);
+ self.audioElem = new Audio(titelUrl);
+ self.audioElem.addEventListener("ended", self.nextTrack);
+ self.audioElem.play();
+ self.playState = 'play';
+ }
+ });
+ };
+
+ this.getTitelFromJSONObj = function(titelObj) {
+ //const audioElements = document.querySelectorAll('.entity-eintrag');
+ const host = 'http://' + window.location.host + '/tango';
+ const titel = host + titelObj.katalogUrl + titelObj.pfad + titelObj.name;
+ 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 +670,17 @@
});
};
+ /*
+ * {
+ * "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;
@@ -519,28 +703,55 @@
};
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) {
// DELETE http://localhost:9090/mz/api/alist/liste1/0
//self.meldung_mit_timeout(responseText, 1500);
+ if(self.playingList === plname) {
+ if(self.playingIndex > index) {
+ --self.playingIndex;
+ }
+ }
self.titel_liste();
});
+ };
+
+ 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 ----------------------- */
@@ -712,15 +923,14 @@
self.http_call('DELETE', u, data, cb);
};
- this.http_call = function (method, u, data, scallback) {
+ this.http_call = function (method, callurl, data, scallback) {
var xhr = new XMLHttpRequest();
- var url = u;
xhr.onreadystatechange = function () {
if (this.readyState === 4 && this.status === 200) {
scallback(this.responseText);
}
};
- xhr.open(method, url);
+ xhr.open(method, callurl);
if (method === 'GET') {
xhr.send();
} else if (method === 'POST' || method === 'PUT' || method === 'DELETE') {
--
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