From 095119ef9193968d088911688d18e03abc6d3b3a Mon Sep 17 00:00:00 2001
From: ulrich
Date: Sun, 11 Apr 2021 11:51:58 +0000
Subject: [PATCH] Fehler bei Abspielliste-Formular bei Cancel behoben, Abspielliste leeren, UI-Erweiterungen fuer Auswahl aus Katalog

---
 www/ui/data/tpl/ctrl.txt                       |    7 +-
 src/de/uhilger/mediaz/api/ListHandler.java     |   11 +++
 www/ui/js/app.js                               |  121 ++++++++++++++++++++++-----------------
 src/de/uhilger/mediaz/api/ListFileHandler.java |    3 +
 src/de/uhilger/mediaz/api/AbstractHandler.java |    3 +
 5 files changed, 87 insertions(+), 58 deletions(-)

diff --git a/src/de/uhilger/mediaz/api/AbstractHandler.java b/src/de/uhilger/mediaz/api/AbstractHandler.java
index 728107a..af0ba5b 100644
--- a/src/de/uhilger/mediaz/api/AbstractHandler.java
+++ b/src/de/uhilger/mediaz/api/AbstractHandler.java
@@ -17,6 +17,7 @@
  */
 package de.uhilger.mediaz.api;
 
+import com.sun.net.httpserver.Headers;
 import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.HttpHandler;
 import java.io.BufferedReader;
@@ -90,6 +91,8 @@
         break;
     }
     logger.fine(response);
+    Headers headers = e.getResponseHeaders();
+    headers.add("Content-Type", "application/json");
     e.sendResponseHeaders(getReturnCode(), response.length());
     OutputStream os = e.getResponseBody();
     os.write(response.getBytes());
diff --git a/src/de/uhilger/mediaz/api/ListFileHandler.java b/src/de/uhilger/mediaz/api/ListFileHandler.java
index e6452eb..864e45b 100644
--- a/src/de/uhilger/mediaz/api/ListFileHandler.java
+++ b/src/de/uhilger/mediaz/api/ListFileHandler.java
@@ -17,6 +17,7 @@
  */
 package de.uhilger.mediaz.api;
 
+import com.sun.net.httpserver.Headers;
 import com.sun.net.httpserver.HttpExchange;
 import de.uhilger.mediaz.App;
 import de.uhilger.mediaz.Server;
@@ -109,6 +110,8 @@
       //Collections.sort(list);
       String json = jsonWithCustomType(list, "Medialiste");
       logger.fine(json);
+      Headers headers = e.getResponseHeaders();
+      headers.add("Content-Type", "application/json");
       e.sendResponseHeaders(200, json.length());
       OutputStream os = e.getResponseBody();
       os.write(json.getBytes());
diff --git a/src/de/uhilger/mediaz/api/ListHandler.java b/src/de/uhilger/mediaz/api/ListHandler.java
index 781145e..be42315 100644
--- a/src/de/uhilger/mediaz/api/ListHandler.java
+++ b/src/de/uhilger/mediaz/api/ListHandler.java
@@ -35,6 +35,7 @@
  * PUT /mz/api/alist/[pl-name]          den Titel im Body anfuegen an die Liste [pl-name]
  * PUT /mz/api/alist/[pl-name]/[nr]     an der Position nr der Liste [pl-name] den Titel im Body einfuegen
  * DELETE /mz/api/alist/[pl-name]/[nr]  den Titel an der Position [nr] aus der Liste [pl-name] entfernen  
+ * DELETE /mz/api/alist/[pl-name]/alle  alle Titel aus der Liste [pl-name] entfernen  
  *
  * @author Ulrich Hilger
  * @version 1, 8.4.2021
@@ -42,6 +43,8 @@
 public class ListHandler extends AbstractHandler {
   
   private static final Logger logger = Logger.getLogger(ListHandler.class.getName());
+  
+  public static final String ALLE_TITEL = "alle";
 
 
   @Override
@@ -101,12 +104,16 @@
     String path = e.getRequestURI().toString();
     String[] elems = path.split(Server.SLASH);
     String listName = elems[elems.length - 2];
-    
     FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
     Entity entity = fs.read(Abspielliste.class.getSimpleName(), listName);
     if(entity instanceof Abspielliste) {
       Abspielliste liste = (Abspielliste) entity;
-      liste.getTitel().remove(Integer.parseInt(elems[elems.length-1]));
+      String titelStr = elems[elems.length-1];
+      if(titelStr.equalsIgnoreCase(ALLE_TITEL)) {
+        liste.getTitel().clear();
+      } else {
+        liste.getTitel().remove(Integer.parseInt(elems[elems.length-1]));
+      }
       fs.write(liste, true);
       return true;
     } else {
diff --git a/www/ui/data/tpl/ctrl.txt b/www/ui/data/tpl/ctrl.txt
index 1a04087..bfe7bb6 100644
--- a/www/ui/data/tpl/ctrl.txt
+++ b/www/ui/data/tpl/ctrl.txt
@@ -15,13 +15,14 @@
       </select>  
     </div>
     <div class="pl-sel">
-      <select class="u-full-width ctrl-item ctrl-select" id="playlist" title="Playliste">
+      <select class="u-full-width ctrl-item ctrl-select" id="playlist" title="Abspielliste">
         <option value="Pl1">Liste 1</option>
         <option value="Pl2">Liste 2</option>
         <option value="Pl3">Liste 3</option>
       </select>  
     </div>
-    <button class="ctrl-btn ctrl-item" id="dazu-btn" title="der Playlist hinzuf&uuml;gen"><i class="icon-forward"></i></button>
-    <button class="ctrl-btn ctrl-item" id="weg-btn" title="aus Playlist entfernen"><i class="icon-trash-empty"></i></button>
+    <button class="ctrl-btn ctrl-item" id="dazu-btn" title="der Abspielliste hinzuf&uuml;gen"><i class="icon-forward"></i></button>
+    <button class="ctrl-btn ctrl-item" id="weg-btn" title="aus Abspielliste entfernen"><i class="icon-cancel"></i></button>
+    <button class="ctrl-btn ctrl-item" id="leeren-btn" title="Abspielliste leeren"><i class="icon-trash-empty"></i></button>
   </div>
 </div>
diff --git a/www/ui/js/app.js b/www/ui/js/app.js
index b03d5e1..4116be0 100644
--- a/www/ui/js/app.js
+++ b/www/ui/js/app.js
@@ -42,7 +42,7 @@
   // darunter der Inhalt des aktuellen Pfades
   this.media_liste = function() {
     self.reset_top_buttons(); 
-    console.log("ortPfad: " + self.ortPfad + ", mediaPfad: " + self.mediaPfad);
+    //console.log("ortPfad: " + self.ortPfad + ", mediaPfad: " + self.mediaPfad);
     document.querySelector('.bereich-name').textContent = '';    
     if(self.ortPfad === '/') {
       var bb = document.querySelector('.breadcrumb-behaelter');
@@ -81,7 +81,7 @@
       }
       bb.innerHTML = brLinks;
       self.addEvtListener('.breadcrumb-link', 'click', function(event) {
-        console.log(event.target.attributes.brlink.nodeValue);
+        //console.log(event.target.attributes.brlink.nodeValue);
         var neuerPfad = event.target.attributes.brlink.nodeValue;
         self.mediaPfad = neuerPfad;
         self.media_liste();
@@ -106,7 +106,7 @@
             } else {
               if(t.classList.contains('selected')) {
                 t.classList.add('added-to-playlist');
-                self.addSelectedTitel();
+                self.titelDazu();
               } else {
                 self.removeClassMulti('selected');
                 t.classList.add('selected');
@@ -165,6 +165,7 @@
     self.entitaet_liste('Abspielliste','../api/store/Abspielliste/liste/', 
       "data/tpl/abspielliste_liste.txt", '../api/store/Abspielliste/', 
       "self.abspielliste_form", function(responseText) {
+        //console.log("responseTest: '" + responseText + "'");
         var abspielliste = JSON.parse(responseText);
         self.abspielliste_form(abspielliste);
       });
@@ -176,7 +177,9 @@
     self.entitaet_form('Abspielliste', al, al.name,
       "data/tpl/form_abspielliste.txt", '../api/store/Abspielliste/',
       '#abspielliste-name', function(event) {
-          event.preventDefault();
+          if(event !== undefined) {
+            event.preventDefault();
+          }
           self.abspielliste_auswahl_fuellen();
           self.abspielliste_liste();
     });
@@ -242,50 +245,6 @@
     });
   };
   
-  this.addSelectedTitel = function() {
-    var elem = document.querySelector(".selected");
-    //var titelName = elem.textContent;
-    var titelName = elem.attributes.dateiName.nodeValue;
-    var album = elem.attributes.album.nodeValue;
-    var interpret = elem.attributes.interpret.nodeValue;
-    var anzName = elem.attributes.titelAnzName.nodeValue;
-    var titel;
-    if(self.mediaPfad.endsWith('/')) {
-      titel = new Titel(titelName, self.mediaPfad, self.ortPfad, interpret, anzName, album);
-    } else {
-      titel = new Titel(titelName, self.mediaPfad + '/', self.ortPfad, interpret, anzName, album);
-    }
-    var plname = document.querySelector('#playlist').value;
-    self.http_put('../api/alist/' + plname, JSON.stringify(titel), function(responseText) {
-      //self.meldung_mit_timeout(responseText, 1500);
-    });
-  };  
-  
-  this.removeSelectedTitel = function() {
-    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
-    //console.log("liElems.anz: " + liElems.length);
-    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;
-        //console.log(elem.textContent + ' hat Index ' + i);
-      }
-    }
-    // /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);
-      self.titel_liste();
-    });
-    
-  };
-  
   /* Unterer Einblendbereich */
   
   this.dialog_unten_zeigen = function() {
@@ -295,9 +254,10 @@
       dlg.innerHTML = html;
       self.abspieler_auswahl_fuellen();
       self.abspielliste_auswahl_fuellen();
-      self.addEvtListener('#dazu-btn', 'click', self.addSelectedTitel);
+      self.addEvtListener('#dazu-btn', 'click', self.titelDazu);
       self.addEvtListener('#play-btn', 'click', self.play);
-      self.addEvtListener('#weg-btn', 'click', self.removeSelectedTitel);
+      self.addEvtListener('#weg-btn', 'click', self.titelWeg);
+      self.addEvtListener('#leeren-btn', 'click', self.alleTitelEntfernen);
       self.media_liste();
     });
   };
@@ -333,6 +293,61 @@
     self.http_get('../api/strg/' + abs + '/play/liste/' + lst, function(responseText) {
       self.meldung_mit_timeout(responseText, 1500);
     });
+  };
+  
+  /* ------------- Verwaltungsfunktionen Abspielliste -------------------- */
+  
+  self.alleTitelEntfernen = function() {
+    var plname = document.querySelector('#playlist').value;
+    self.http_delete('../api/alist/' + plname + '/alle', '', function(responseText) {
+      // DELETE	http://localhost:9090/mz/api/alist/liste1/0
+      //self.meldung_mit_timeout(responseText, 1500);
+      self.titel_liste();
+    });
+  };
+  
+  this.titelDazu = function() {
+    var elem = document.querySelector(".selected");
+    //var titelName = elem.textContent;
+    var titelName = elem.attributes.dateiName.nodeValue;
+    var album = elem.attributes.album.nodeValue;
+    var interpret = elem.attributes.interpret.nodeValue;
+    var anzName = elem.attributes.titelAnzName.nodeValue;
+    var titel;
+    if(self.mediaPfad.endsWith('/')) {
+      titel = new Titel(titelName, self.mediaPfad, self.ortPfad, interpret, anzName, album);
+    } else {
+      titel = new Titel(titelName, self.mediaPfad + '/', self.ortPfad, interpret, anzName, album);
+    }
+    var plname = document.querySelector('#playlist').value;
+    self.http_put('../api/alist/' + plname, JSON.stringify(titel), function(responseText) {
+      //self.meldung_mit_timeout(responseText, 1500);
+    });
+  };  
+  
+  this.titelWeg = function() {
+    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
+    //console.log("liElems.anz: " + liElems.length);
+    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;
+        //console.log(elem.textContent + ' hat Index ' + i);
+      }
+    }
+    // /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);
+      self.titel_liste();
+    });
+    
   };
   
   /* ------------- Helfer fuer Entitaets-Formulare ----------------------- */
@@ -411,8 +426,8 @@
     event.preventDefault();
     const data = new FormData(event.target);
     const value = Object.fromEntries(data.entries());
-    console.log({ value });
-    console.log(JSON.stringify(value));
+    //console.log({ value });
+    //console.log(JSON.stringify(value));
     var daten = JSON.stringify(value);
     var formkey = document.querySelector(keySelector).value;
     formkey = formkey.replace(' ', '').replace(/[\W]+/g, '');
@@ -443,7 +458,7 @@
     self.dialog_laden_und_zeigen('data/tpl/dlg-loeschen.txt', dlgdata, function() {
       self.addEvtListener('#nein-btn', 'click', self.dialog_schliessen);
       self.addEvtListener('#ja-btn', 'click', function(event) {
-        console.log("loeschen geklickt.");
+        //console.log("loeschen geklickt.");
         self.http_delete(delUrl + pkey, '', function (responseText) {
           self.dialog_schliessen();
           if(typeof(cb) !== 'function') {

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