From 48f8f945d17d06be1777c4491539244f712250ee Mon Sep 17 00:00:00 2001
From: ulrich
Date: Fri, 09 Apr 2021 13:37:47 +0000
Subject: [PATCH] JavaScript Form-Behandlung vereinheitlicht
---
www/ui/js/app.js | 208 +++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 189 insertions(+), 19 deletions(-)
diff --git a/www/ui/js/app.js b/www/ui/js/app.js
index 6b62511..46f19a0 100644
--- a/www/ui/js/app.js
+++ b/www/ui/js/app.js
@@ -35,6 +35,43 @@
self.dialog_unten_zeigen();
};
+ /*
+ * Der StorageHandler verarbeitet Entitaeten mit z.B.
+ * HTTP PUT Ablageort/[Name]
+ * und erwartet dabei eine JSON-Struktur, die der Entitaet entspricht.
+ * Beim Ablageort z.B.
+ * private String name;
+ * private String ort;
+ * private String url;
+ *
+ * Im HTML-Formular muessen die input-Elemente mit name="..."
+ * so genannt werden wie die Felder der Entitaet. Fuer Ablageort also
+ *
+ * <input name="name"
+ * <input name="ort"
+ * <input name="url"
+ *
+ * Auf diese Weise kann eine generische Funktion die Formulardaten
+ * an den REST-Endpunkt des Servers uebermitteln.
+ */
+ /*
+ this.test_form = function() {
+ self.vorlage_laden_und_fuellen("data/tpl/test_form.tpl", "", function (html) {
+ document.querySelector(".zentraler-inhalt").innerHTML = html;
+ const form = document.querySelector('form');
+ form.addEventListener('submit', self.handleSubmit);
+ });
+ };
+
+ this.handleSubmit = function(event) {
+ event.preventDefault();
+ const data = new FormData(event.target);
+ const value = Object.fromEntries(data.entries());
+ console.log({ value });
+ console.log(JSON.stringify(value));
+ };
+ */
+
this.abspieler_auswahl_fuellen = function() {
self.http_get('../api/store/Abspieler/', function (responseText) {
/*
@@ -176,22 +213,6 @@
}
};
- /*
-
- {"Medialiste": [{"name":"sound_city.m4v","typ":"video","interpret":"","titelAnzName":"","album":""},{"name":"sub","typ":"folder","interpret":"","titelAnzName":"","album":""},{"name":"Aufnahmen.ods","typ":"file","interpret":"","titelAnzName":"","album":""},{"name":"index.html","typ":"file","interpret":"","titelAnzName":"","album":""},{"name":"A","typ":"folder","interpret":"","titelAnzName":"","album":""},{"name":"sleepers.m4v","typ":"video","interpret":"","titelAnzName":"","album":""}]}
-
-
- function Titel(n, p, u, i, t, a) {
- this.katalogUrl = u;
- this.pfad = p;
- this.name = n;
- this.interpret = i;
- this.titelAnzName = t;
- this.album = a;
- }
-
- */
-
this.addSelectedTitel = function() {
var elem = document.querySelector(".selected");
var titelName = elem.textContent;
@@ -260,7 +281,8 @@
self.abspieler_form(abspieler);
});
});
- self.addEvtListener('#neu-btn', 'click', function(event) {
+ //self.addEvtListener('#neu-btn', 'click', function(event) {
+ self.addEvtListener('#top-neu-btn', 'click', function(event) {
eval("self.abspieler_form" + "(this)");
});
});
@@ -290,6 +312,15 @@
this.abspielliste_form = function(al) {
self.vorlage_laden_und_fuellen("data/tpl/form_abspielliste.tpl", al, function (html) {
document.querySelector(".zentraler-inhalt").innerHTML = html;
+ const form = document.querySelector('form');
+ form.addEventListener('submit', function(event) {
+ self.handle_submit(event, al.name, '../api/store/Abspielliste/', '#abspielliste-name', function() {
+ self.abspielliste_liste();
+ });
+ });
+
+
+ /*
self.addEvtListener('#ok-btn', 'click', function () {
var alname = document.querySelector('#abspielliste-name').value;
alname = alname.replace(' ', '').replace(/[\W]+/g, '');
@@ -314,10 +345,22 @@
});
}
});
+ */
+
self.addEvtListener('#cancel-btn', 'click', function () {
//document.querySelector(".zentraler-inhalt").innerHTML = '';
self.abspielliste_liste();
});
+
+ self.addEvtListener('#loeschen-btn', 'click', function(event) {
+ event.preventDefault();
+ self.handle_del_btn('#abspielliste-name', '../api/store/Abspielliste/', function() {
+ self.abspielliste_auswahl_fuellen();
+ self.abspielliste_liste();
+ });
+ });
+
+ /*
self.addEvtListener('#loeschen-btn', 'click', function() {
var alname = document.querySelector('#abspielliste-name').value;
var dlgdata = {"del-elem": alname};
@@ -334,12 +377,21 @@
});
});
});
+ */
});
};
-
+
this.abspieler_form = function(pl) {
self.vorlage_laden_und_fuellen("data/tpl/form_abspieler.tpl", pl, function (html) {
document.querySelector(".zentraler-inhalt").innerHTML = html;
+ const form = document.querySelector('form');
+ form.addEventListener('submit', function(event) {
+ self.handle_submit(event, pl.key, '../api/store/Abspieler/', '#abspieler-name', function() {
+ self.abspieler_liste();
+ });
+ });
+
+ /*
self.addEvtListener('#ok-btn', 'click', function () {
var plname = document.querySelector('#abspieler-name').value;
plname = plname.replace(' ', '').replace(/[\W]+/g, '');
@@ -365,10 +417,23 @@
});
}
});
+ */
+
self.addEvtListener('#cancel-btn', 'click', function () {
//document.querySelector(".zentraler-inhalt").innerHTML = '';
self.abspieler_liste();
});
+
+ self.addEvtListener('#loeschen-btn', 'click', function(event) {
+ event.preventDefault();
+ self.handle_del_btn('#abspieler-name', '../api/store/Abspieler/', function() {
+ self.abspieler_auswahl_fuellen();
+ self.abspieler_liste();
+ });
+ });
+
+
+ /*
self.addEvtListener('#loeschen-btn', 'click', function() {
var plname = document.querySelector('#abspieler-name').value;
var dlgdata = {"del-elem": plname};
@@ -385,12 +450,22 @@
});
});
});
+ */
});
};
this.prefs_form = function(k) {
self.vorlage_laden_und_fuellen("data/tpl/form_einstellung.tpl", k, function (html) {
document.querySelector(".zentraler-inhalt").innerHTML = html;
+ const form = document.querySelector('form');
+ form.addEventListener('submit', function(event) {
+ self.handle_submit(event, k.key, '../api/store/Einstellung/', '#einstellung-key', function() {
+ self.prefs_liste();
+ });
+ });
+
+
+ /*
self.addEvtListener('#ok-btn', 'click', function () {
var pkey = document.querySelector('#einstellung-key').value;
pkey = pkey.replace(' ', '').replace(/[\W]+/g, '');
@@ -414,10 +489,21 @@
});
}
});
- self.addEvtListener('#cancel-btn', 'click', function () {
+ */
+ self.addEvtListener('#cancel-btn', 'click', function (event) {
//document.querySelector(".zentraler-inhalt").innerHTML = '';
+ event.preventDefault();
self.prefs_liste();
});
+
+ self.addEvtListener('#loeschen-btn', 'click', function(event) {
+ event.preventDefault();
+ self.handle_del_btn('#einstellung-key', '../api/store/Einstellung/', function() {
+ self.prefs_liste();
+ });
+ });
+
+ /*
self.addEvtListener('#loeschen-btn', 'click', function() {
var pkey = document.querySelector('#einstellung-key').value;
var dlgdata = {"del-elem": pkey};
@@ -433,6 +519,7 @@
});
});
});
+ */
});
};
@@ -447,6 +534,14 @@
this.ablageort_form = function(ort) {
self.vorlage_laden_und_fuellen("data/tpl/form_ablageort.tpl", ort, function (html) {
document.querySelector(".zentraler-inhalt").innerHTML = html;
+ const form = document.querySelector('form');
+ form.addEventListener('submit', function(event) {
+ self.handle_submit(event, ort.name, '../api/store/Ablageort/', '#ablageort-name', function() {
+ self.ablageort_liste();
+ });
+ });
+
+ /*
self.addEvtListener('#ok-btn', 'click', function () {
var aName = document.querySelector('#ablageort-name').value;
aName = aName.replace(' ', '').replace(/[\W]+/g, '');
@@ -471,10 +566,21 @@
});
}
});
+ */
self.addEvtListener('#cancel-btn', 'click', function () {
//document.querySelector(".zentraler-inhalt").innerHTML = '';
self.ablageort_liste();
});
+
+ self.addEvtListener('#loeschen-btn', 'click', function(event) {
+ event.preventDefault();
+ self.handle_del_btn('#ablageort-name', '../api/store/Ablageort/', function() {
+ self.ablageort_liste();
+ });
+ });
+
+
+ /*
self.addEvtListener('#loeschen-btn', 'click', function() {
var aoname = document.querySelector('#ablageort-name').value;
var dlgdata = {"del-elem": aoname};
@@ -490,8 +596,72 @@
});
});
});
+ */
});
};
+
+ /* ------------------------------- Helfer ----------------------- */
+
+ /*
+ * existingKey: wenn die Entitaet existiert und geandert werden soll
+ * leer, wenn neue Entitaet
+ */
+ this.handle_submit = function(event, existingKey, putUrl, keySelector, cb) {
+ event.preventDefault();
+ const data = new FormData(event.target);
+ const value = Object.fromEntries(data.entries());
+ 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, '');
+
+ if(typeof existingKey === "undefined" || existingKey.length < 1) {
+ // neu
+ self.http_put(putUrl + formkey, daten, function (responseText) {
+ // hier die Antwort verarbeiten
+ //self.prefs_liste();
+ if(typeof(cb) !== 'function') {
+ // ..
+ } else {
+ cb();
+ }
+ });
+ } else {
+ // aendern
+ self.http_put(putUrl + existingKey, daten, function (responseText) {
+ // hier die Antwort verarbeiten
+ // self.prefs_liste();
+ if(typeof(cb) !== 'function') {
+ // ..
+ } else {
+ cb();
+ }
+ });
+ }
+ };
+
+ this.handle_del_btn = function(selectorKey, delUrl, cb) {
+ var pkey = document.querySelector(selectorKey).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(event) {
+ console.log("loeschen geklickt.");
+ self.http_delete(delUrl + pkey, '', function (responseText) {
+ // hier die Antwort verarbeiten
+ self.dialog_schliessen();
+ //document.querySelector(".zentraler-inhalt").innerHTML = '';
+ //self.prefs_liste();
+ if(typeof(cb) !== 'function') {
+ // ..
+ } else {
+ cb();
+ }
+ });
+ });
+ });
+ };
this.addEvtListener = function(selector, eventName, func) {
document.querySelectorAll(selector).forEach(elem => { elem.addEventListener(eventName, func); });
--
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