From dce2c79a03b834887f4da33b090a430e9756aac1 Mon Sep 17 00:00:00 2001
From: ulrich
Date: Wed, 07 Apr 2021 12:42:41 +0000
Subject: [PATCH] Einstellungen

---
 www/ui/js/app.js |  296 +++++++++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 239 insertions(+), 57 deletions(-)

diff --git a/www/ui/js/app.js b/www/ui/js/app.js
index 04db53f..0063a18 100644
--- a/www/ui/js/app.js
+++ b/www/ui/js/app.js
@@ -4,13 +4,72 @@
   this.url = u;
 }
 
+function Einstellung(k, v) {
+  this.key = k;
+  this.value = v;
+}
 
 
 function Mediazentrale() {
   var self = this;
   var appMenu;
-  // var vorlagen;
   var cache; // mustache templates
+  var ortPfad;
+  var mediaPfad;
+  
+  // auf der obersten Ebene werden die Kataloge angezeigt,
+  // darunter der Inhalt des aktuellen Pfades
+  this.media_liste = function() {
+    if(self.ortPfad === '/') {
+      // Kataloge listen
+      self.http_get('../api/store/Ablageort/', function (responseText) {
+        self.vorlage_laden_und_fuellen("data/tpl/katalog_root_liste.tpl", JSON.parse(responseText), function (html) {
+          document.querySelector(".zentraler-inhalt").innerHTML = html;
+          self.addEvtListener('.entity-eintrag', 'click', function (event) {
+            var t = event.target;
+            self.http_get('../api/store/Ablageort/' + t.textContent, function(responseText) {
+              var ablageort = JSON.parse(responseText);
+              self.ortPfad = ablageort.url;
+              self.media_liste();
+            });
+          });
+        });
+      });
+    } else {
+      // Pfad listen
+      self.http_get('..' + self.ortPfad + '/' + self.mediaPfad + '/', function(responseText) {
+        //console.log(responseText);
+        self.vorlage_laden_und_fuellen("data/tpl/katalog_inhalt_liste.tpl", JSON.parse(responseText), function (html) {
+          document.querySelector(".zentraler-inhalt").innerHTML = html;
+          self.addEvtListener('.entity-eintrag', 'click', function (event) {
+            var t = event.target;
+            //console.log(t.textContent);
+            if(t.classList.contains("entity-typ-folder")) {
+              self.mediaPfad = self.mediaPfad + '/' + t.textContent;
+              self.media_liste();
+            } else {
+              console.log("Media-Inhalt auswaehlen oder abspielen");
+              self.removeClassMulti('selected');
+              t.classList.add('selected');
+            }
+          });
+          self.addEvtListener('#zurueck-btn', 'click', function (event) {
+            if(self.mediaPfad === '/') {
+              self.ortPfad = '/';              
+            } else {
+              var pos = self.mediaPfad.lastIndexOf('/');
+              var parent = self.mediaPfad.substring(0, pos);
+              //console.log("Parent: " + parent);
+              self.mediaPfad = parent;
+            }
+            self.media_liste();
+          });        
+        });
+      });
+    }
+  };
+  
+  /* Die folgenden '_liste' Funktionen koennen noch vereinheitlicht werden */
 
   this.ablageort_liste = function() {
     self.http_get('../api/store/Ablageort/', function (responseText) {
@@ -18,35 +77,150 @@
         document.querySelector(".zentraler-inhalt").innerHTML = html;
         self.addEvtListener('.entity-eintrag', 'click', function (event) {
           var t = event.target;
-          self.meldung_mit_timeout(t.textContent, 1500);
+          self.http_get('../api/store/Ablageort/' + t.textContent, function(responseText){
+            var ablageort = JSON.parse(responseText);
+            self.ablageort_form(ablageort);
+          });
+        });
+        self.addEvtListener('#neu-btn', 'click', function (event) {
+          eval("self.ablageort_form" + "(this)");
+        });        
+      });
+    });
+  };
+
+  this.prefs_liste = function() {
+    self.http_get('../api/store/Einstellung/', function (responseText) {
+      self.vorlage_laden_und_fuellen("data/tpl/einstellung_liste.tpl", JSON.parse(responseText), function (html) {
+        document.querySelector(".zentraler-inhalt").innerHTML = html;
+        self.addEvtListener('.entity-eintrag', 'click', function (event) {
+          var t = event.target;
+          self.http_get('../api/store/Einstellung/' + t.textContent, function(responseText){
+            var einstellung = JSON.parse(responseText);
+            self.prefs_form(einstellung);
+          });
+        });
+        self.addEvtListener('#neu-btn', 'click', function (event) {
+          eval("self.prefs_form" + "(this)");
+        });        
+      });
+    });
+  };
+
+  /* Die folgenden '_form' Funktionen koennen noch vereinheitlicht werden */
+
+  this.prefs_form = function(k) {
+    self.vorlage_laden_und_fuellen("data/tpl/form_einstellung.tpl", k, function (html) {
+      document.querySelector(".zentraler-inhalt").innerHTML = html;
+      self.addEvtListener('#ok-btn', 'click', function () {
+        var pkey = document.querySelector('#einstellung-key').value;
+        pkey = pkey.replace(' ', '').replace(/[\W]+/g, '');
+        var pref = new Einstellung(
+          pkey,
+          document.querySelector('#einstellung-value').value
+        );
+        var daten = JSON.stringify(pref);        
+        if(typeof k === "undefined" || k.key !== pkey) {
+          // neu
+          self.http_post('../api/store/Einstellung', daten, function (responseText) {
+            // hier die Antwort verarbeiten
+          });
+        } else {
+          // aendern
+          self.http_put('../api/store/Einstellung', daten, function (responseText) {
+            // hier die Antwort verarbeiten
+          });
+        }
+        //document.querySelector(".zentraler-inhalt").innerHTML = '';
+        self.prefs_liste();
+      });
+      self.addEvtListener('#cancel-btn', 'click', function () {
+        //document.querySelector(".zentraler-inhalt").innerHTML = '';
+        self.prefs_liste();
+      });
+      self.addEvtListener('#loeschen-btn', 'click', function() {
+        var pkey = document.querySelector('#einstellung-key').value;
+        var dlgdata = {"del-elem": pkey};
+        self.dialog_laden_und_zeigen('data/tpl/dlg-loeschen.tpl', dlgdata, function() {
+          self.addEvtListener('#nein-btn', 'click', self.dialog_schliessen);
+          self.addEvtListener('#ja-btn', 'click', function() {
+            self.http_delete('../api/store/Einstellung/' + pkey, '', function (responseText) {
+              // hier die Antwort verarbeiten
+              self.dialog_schliessen();
+              //document.querySelector(".zentraler-inhalt").innerHTML = '';
+              self.prefs_liste();
+            });
+          });
         });
       });
     });
   };
 
-  this.ablageort_neu = function () {
-    self.vorlage_laden_und_fuellen("data/tpl/form_ablageort.tpl", "", function (html) {
+  /* 
+   * Ablageort-Formular anzeigen
+   * 
+   * {"name":"Katalog 2","ort":"/home/ulrich/Videos","url":"/media/kat2"}: 
+   * 
+   * @param {type} ablageort  der Ablageort, der bearbeitet werden soll, leer fuer neuen Ort
+   * @returns {undefined} kein Rueckgabewert
+   */
+  this.ablageort_form = function(ort) {
+    self.vorlage_laden_und_fuellen("data/tpl/form_ablageort.tpl", ort, function (html) {
       document.querySelector(".zentraler-inhalt").innerHTML = html;
       self.addEvtListener('#ok-btn', 'click', function () {
-        // hier neuen Ablageort speichern
+        var aName = document.querySelector('#ablageort-name').value;
+        aName = aName.replace(' ', '').replace(/[\W]+/g, '');
         var a = new Ablageort(
-          document.querySelector('#ablageort-name').value,
+          aName,
           document.querySelector('#ablageort-ort').value,
           document.querySelector('#ablageort-url').value
         );
-        // {"name":"Katalog","ort":"/home/ulrich/Videos","url":"/media/test"}
-        var daten = JSON.stringify(a);
-        self.http_post('../api/store/Ablageort', daten, function (responseText) {
-          // hier die Antwort verarbeiten
-        });
+        var daten = JSON.stringify(a);        
+        if(typeof ort === "undefined" || ort.name !== aName) {
+          // neu
+          self.http_post('../api/store/Ablageort', daten, function (responseText) {
+            // hier die Antwort verarbeiten
+          });
+        } else {
+          // aendern
+          self.http_put('../api/store/Ablageort', daten, function (responseText) {
+            // hier die Antwort verarbeiten
+          });
+        }
+        //document.querySelector(".zentraler-inhalt").innerHTML = '';
+        self.ablageort_liste();
       });
       self.addEvtListener('#cancel-btn', 'click', function () {
-        // hier die Aktion abbrechen
-        document.querySelector(".zentraler-inhalt").innerHTML = '';
+        //document.querySelector(".zentraler-inhalt").innerHTML = '';
+        self.ablageort_liste();
+      });
+      self.addEvtListener('#loeschen-btn', 'click', function() {
+        var aoname = document.querySelector('#ablageort-name').value;
+        var dlgdata = {"del-elem": aoname};
+        self.dialog_laden_und_zeigen('data/tpl/dlg-loeschen.tpl', dlgdata, function() {
+          self.addEvtListener('#nein-btn', 'click', self.dialog_schliessen);
+          self.addEvtListener('#ja-btn', 'click', function() {
+            self.http_delete('../api/store/Ablageort/' + aoname, '', function (responseText) {
+              // hier die Antwort verarbeiten
+              self.dialog_schliessen();
+              //document.querySelector(".zentraler-inhalt").innerHTML = '';
+              self.ablageort_liste();
+            });
+          });
+        });
       });
     });
   };
 
+  this.addEvtListener = function(selector, eventName, func) {
+    document.querySelectorAll(selector).forEach(elem => { elem.addEventListener(eventName, func); });
+  };
+  
+  this.removeClassMulti = function(selector) {
+    document.querySelectorAll('.' + selector).forEach(elem => { elem.classList.remove(selector); });
+  };
+
+  /*
   this.addEvtListener = function (selector, eventName, func) {
     var elems = document.querySelectorAll(selector);
     var index;
@@ -54,7 +228,12 @@
       elems[index].addEventListener(eventName, func);
     }
   };
+  */
+  
+  // document.querySelectorAll(selector).forEach(elem => { elem.addEventListener(eventName, func); });
 
+  /* asynchroner HTTP Client */
+  
   this.http_get = function (u, cb) {
     self.http_call('GET', u, null, cb);
   };
@@ -63,6 +242,15 @@
     self.http_call('POST', u, data, cb);
   };
 
+  this.http_put = function (u, data, cb) {
+    self.http_call('PUT', u, data, cb);
+  };
+  
+  this.http_delete = function (u, data, cb) {
+    console.log("delete " + u);
+    self.http_call('DELETE', u, data, cb);
+  };
+  
   this.http_call = function (method, u, data, scallback) {
     var xhr = new XMLHttpRequest();
     var url = u;
@@ -74,23 +262,28 @@
     xhr.open(method, url);
     if (method === 'GET') {
       xhr.send();
-    } else if (method === 'POST' || method === 'PUT') {
+    } else if (method === 'POST' || method === 'PUT' || method === 'DELETE') {
       xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
       xhr.send(data);
     }
   };
-
-  this.serialisieren = function (obj) {
-    return '{"' + obj.constructor.name + '":' + JSON.stringify(obj) + '}';
+  
+  /* Unterer Einblendbereich */
+  
+  self.dialog_unten_zeigen = function() {
+    self.vorlage_laden_und_fuellen("data/tpl/ctrl.tpl", "", function (html) {
+      var dlg = document.querySelector(".dialog-unten");
+      dlg.style.height = '4.5em';
+      dlg.innerHTML = html;
+    });
   };
-
-
-
 
   /* ab hier aus App-Vorlage */
 
   this.init = function () {
     //self.vorlagen = new Vorlagen();
+    self.mediaPfad = '/';
+    self.ortPfad = '/';
     self.cache = new Array();
     self.appMenu = new AppMenu();
     self.appMenu.init(
@@ -104,9 +297,14 @@
       self.menue_umschalten();
     });
     
+    self.addEvtListener('#mi-katalog', 'click', self.media_liste);
+    self.addEvtListener('#mi-orte', 'click', self.ablageort_liste);
+    self.addEvtListener('#mi-prefs', 'click', self.prefs_liste);
+    //self.addEvtListener('#mi-list', 'click', self.media_liste);    
+    
     self.fusszeile_umschalten();
     self.seitenleiste_umschalten();
-
+    self.dialog_unten_zeigen();
   };
 
   this.menue_umschalten = function () {
@@ -183,7 +381,7 @@
       }, 500);
     }, timeout);
   };
-
+  
   /* Dialog-Funktionen */
 
   /*
@@ -192,39 +390,35 @@
    vurl - URL zur Dialogvorlage
    msgTpl - URL mit einer Vorlage eines Mitteilungstextes (optional)
    */
-  this.dialog_laden_und_zeigen = function (vurl, msgTpl) {
-    if (msgTpl !== '') {
-      fetch(msgTpl)
-              .then(data => {
-                // Handle data
-                self.dialog_zeigen(vurl, data);
-              }).catch(error => {
-        // Handle error
+  this.dialog_laden_und_zeigen = function (vurl, msgTpl, cb) {
+    var vorlage = self.cache[vurl];
+    if(vorlage === undefined) {
+      self.http_get(vurl, function(antwort) {
+        self.cache[vurl] = antwort;
+        self.dialog_zeigen(vurl, msgTpl, cb);
       });
     } else {
-      self.dialog_zeigen(vurl, '');
+      self.dialog_zeigen(vurl, msgTpl, cb);
     }
   };
 
-  this.dialog_zeigen = function (vurl, inhalt) {
+  this.dialog_zeigen = function (vurl, inhalt, cb) {
     var dlg = document.querySelector(".dialog");
-    self.html_erzeugen(
-            vurl,
-            inhalt,
-            function (html) {
-              //dlg.html(html);
-              dlg.style.height = '5em';
-              dlg.innerHTML = html;
-              document.querySelector('.close-btn').addEventListener('click', self.dialog_schliessen);
-              //dlg.slideDown(300);
-            });
+    self.html_erzeugen(vurl, inhalt, function (html) {
+      dlg.style.height = '7em';
+      dlg.innerHTML = html;
+      document.querySelector('.close-btn').addEventListener('click', self.dialog_schliessen);
+      if(typeof(cb) !== 'function') {
+        // ..
+      } else {
+        cb();
+      }
+    });
   };
-
+  
   self.dialog_schliessen = function () {
     document.querySelector('.close-btn').removeEventListener('click', self.dialog_schliessen);
-    //$('.dialog').slideUp(300);
     var dlg = document.querySelector('.dialog');
-    //dlg.style.display = "none";
     dlg.style.height = '0';
     dlg.innerHTML = '';
   };
@@ -257,8 +451,6 @@
   };
 
   this.vorlage_fuellen = function (vurl, inhalt, cb) {
-    //console.log("vorlage " + self.cache[vurl]);
-    //console.log("render " + inhalt);
     cb(Mustache.render(self.cache[vurl], inhalt));
   };
 
@@ -271,16 +463,6 @@
    Inhalt gefüllt ist
    */
   this.vorlage_laden_und_fuellen = function (vurl, inhalt, cb) {
-    /*
-     $.ajax({
-     url: vurl,
-     type: "GET",
-     dataType : "text"
-     }).done(function( vorlage ) {
-     self.cache[vurl] = vorlage;
-     self.vorlage_fuellen(vurl, inhalt, cb);
-     });
-     */
     var xmlhttp = new XMLHttpRequest();
     xmlhttp.onreadystatechange = function () {
       if (this.readyState == 4 && this.status == 200) {

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