function NutzerApp() {
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var self = this;
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var userid;
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this.cache = {}; // mustache template cache
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this.init = function () {
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//self.vorlagen = new Vorlagen();
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var dlg = document.querySelector(".dialog");
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dlg.style.flexBasis = '0em';
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document.querySelector('#top-neu-btn').addEventListener('click', self.nutzer_neu_dialog_zeigen);
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document.querySelector('.west').style.flexBasis = '0em';
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document.querySelector('.ost').style.flexBasis = '0em';
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self.get_login();
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self.get_user_list();
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};
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/* Nutzerverwaltung */
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this.nutzer_neu_dialog_zeigen = function () {
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self.dialog_zeigen('data/tpl/dlg-nutzer-neu.tpl', '', function(){
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var btn = document.getElementById('nutzer-speichern-btn');
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if(btn !== null) {
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btn.addEventListener('click', self.nutzer_speichern);
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}
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});
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};
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this.nutzerliste_klick = function(event) {
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var target = event.target;
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var gewaehlterNutzer = document.querySelector(".nutzer-gewaehlt");
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if(gewaehlterNutzer !== null) {
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gewaehlterNutzer.classList.remove("nutzer-gewaehlt");
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}
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target.classList.add("nutzer-gewaehlt");
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var nutzerId = target.innerHTML;
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self.rollen_zeigen(nutzerId);
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};
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this.nutzer_speichern = function() {
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var user = self.nutzer_dialog_lesen();
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var kww = document.getElementById('nutzer-wkw').value;
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if(user.pw !== kww) {
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self.meldung_mit_timeout("Kennworte stimmen nicht ueberein.", 1500);
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} else {
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self.neuen_nutzer_speichern('p=' + self.serialisieren(user));
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}
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};
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this.nutzer_dialog_lesen = function() {
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var id = document.getElementById('nutzer-id').value;
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var vname = document.getElementById('nutzer-vorname').value;
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var nname = document.getElementById('nutzer-name').value;
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var email = document.getElementById('nutzer-email').value;
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var kw = document.getElementById('nutzer-kw').value;
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var user = new User(id, kw, vname, nname, email);
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return user;
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};
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/* Rollen erteilen und entziehen */
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this.rollen_zeigen = function(nutzerId) {
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var topBtn = document.querySelector('#top-neu-btn');
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topBtn.removeEventListener('click', self.nutzer_neu_dialog_zeigen);
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topBtn.addEventListener('click', self.rolle_neu_dialog_zeigen);
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topBtn.title = "Neue Rolle";
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var m = 'getUserRoleNames';
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var u = '../svc/' + m + '?p=' + nutzerId;
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self.http_get(u, function (antwort) {
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var jsonAntwort = JSON.parse(antwort);
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var rollen = jsonAntwort.List[0];
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if(typeof rollen === 'object') {
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rollen = jsonAntwort;
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} else {
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rollen = 'keine';
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}
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self.html_erzeugen(
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'data/tpl/nutzer-rollen-dlg.tpl',
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rollen,
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function (html) {
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document.querySelector("#nutzer").innerHTML = html;
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document.querySelector("#nutzer-id").textContent = nutzerId;
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self.addEvtListener('.granted-role-btn', 'click', self.revoke_role_klick);
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document.querySelector("#del-user-btn").addEventListener(
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'click', self.nutzer_loeschen_bestaetigen);
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self.alle_rollen_zeigen();
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});
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});
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document.querySelector('.zurueck-btn').style.color = 'black';
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};
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this.nutzer_loeschen_bestaetigen = function() {
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var nutzerId = document.querySelector("#nutzer-id").textContent;
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self.dialog_zeigen(
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'data/tpl/dlg-del-conf.tpl',
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JSON.parse('{"nutzername": "' + nutzerId + '"}'),
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function(){
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var btn = document.getElementById('nutzer-loeschen-btn');
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if(btn !== null) {
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btn.addEventListener('click', function() {
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var user = new User(nutzerId, '', '', '');
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self.nutzer_loeschen(user);
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});
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}
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});
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};
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this.alle_rollen_zeigen = function() {
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var m = 'getRoleNamesGranted';
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var u = '../svc/' + m;
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self.http_get(u, function (antwort2) {
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self.html_erzeugen(
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'data/tpl/alle-rollen.tpl',
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JSON.parse(antwort2),
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function (html) {
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document.querySelector(".alle-rollen-behaelter").innerHTML = html;
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document.querySelector('.zurueck-btn').addEventListener('click', function (e) {
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self.get_user_list();
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});
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self.addEvtListener('.avl-role-btn', 'click', self.grant_role_klick);
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});
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});
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};
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this.grant_role_klick = function(event) {
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self.alter_role(event, 'grantRole', function(roleId) {
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self.add_role_to_user_roles(roleId);
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});
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};
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this.add_role_to_user_roles = function(roleId) {
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var btn = document.createElement("button");
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btn.type = "button";
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btn.classList.add("granted-role-btn");
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btn.id = roleId;
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btn.textContent = roleId;
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document.querySelector('.rollen-behaelter').appendChild(btn);
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};
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this.revoke_role_klick = function(event) {
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self.alter_role(event, 'revokeRole', function(roleId) {
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var btn = document.querySelector("#" + roleId);
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btn.parentNode.removeChild(btn);
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});
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};
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this.alter_role = function(event, method, updateCallback) {
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var target = event.target;
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var nutzerId = document.querySelector("#nutzer-id").textContent;
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var roleId = target.textContent;
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self.alter_role_call(method, nutzerId, roleId, updateCallback);
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};
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this.rolle_neu_dialog_zeigen = function () {
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self.dialog_zeigen('data/tpl/dlg-rolle-neu.tpl', '', function(){
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var btn = document.getElementById('rolle-speichern-btn');
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if(btn !== null) {
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btn.addEventListener('click', function() {
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var nutzerId = document.querySelector("#nutzer-id").textContent;
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var rolle = document.getElementById('rollen-id').value;
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self.alter_role_call('grantRole', nutzerId, rolle, function(roleId) {
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self.add_role_to_user_roles(roleId);
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self.dialog_schliessen();
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});
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});
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}
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});
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};
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/* Funktionen aus App-Vorlage */
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this.login_zeigen = function() {
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self.meldung_mit_timeout("Benutzer: " + self.userid, 1500);
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};
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this.info_dialog_zeigen = function () {
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self.dialog_zeigen('data/tpl/dlg-info.tpl', '');
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};
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this.seitenleiste_umschalten = function () {
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var ostDiv = document.querySelector('.ost');
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if (ostDiv.classList.contains('ost-open')) {
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ostDiv.classList.remove('ost-open');
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ostDiv.style.flexBasis = '0em';
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} else {
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ostDiv.classList.add('ost-open');
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ostDiv.style.flexBasis = '6em';
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}
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};
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this.fusszeile_umschalten = function () {
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var suedDiv = document.querySelector('.sued');
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if (suedDiv.classList.contains('sued-open')) {
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suedDiv.classList.remove('sued-open');
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suedDiv.style.height = '0';
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} else {
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suedDiv.classList.add('sued-open');
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suedDiv.style.height = '1.5em';
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}
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};
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this.meldung_mit_timeout = function (meldung, timeout) {
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var s = document.querySelector('.sued');
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s.textContent = meldung;
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if (!s.classList.contains('sued-open')) {
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s.classList.add('sued-open');
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s.style.height = '1.5em';
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}
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setTimeout(function () {
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s.textContent = 'Bereit.';
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setTimeout(function () {
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var suedDiv = document.querySelector('.sued');
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if (suedDiv.classList.contains('sued-open')) {
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suedDiv.classList.remove('sued-open');
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suedDiv.style.height = '0';
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}
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}, 500);
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}, timeout);
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};
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/* Dialog-Funktionen */
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/*
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* Einen Dialog erzeugen
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*
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* Die Vorlage, auf die im Parameter vurl verwiesen wird, wird geladen,
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* wenn sie noch nicht benutzt wurde
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*
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* @param {String} vurl - der URL mit der Dialogvorlage
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* @param {JSON-Objekt} inhalt - was im Dialog an dynamischem Inhalt angezeigt werden soll
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* @param {function} renderCallback -
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* Funktion, die aufgerufen wird nachdem der Dialog gerendert wurde
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* @returns {undefined}
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*/
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this.dialog_zeigen = function (vurl, inhalt, renderCallback) {
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var dlg = document.querySelector(".dialog");
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self.html_erzeugen(
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vurl,
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inhalt,
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function (html) {
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dlg.style.flexBasis = '14em';
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setTimeout(function () {
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dlg.innerHTML = html;
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document.querySelector('.close-btn').addEventListener(
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'click', self.dialog_schliessen);
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if(renderCallback !== undefined) {
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renderCallback();
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}
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}, 300);
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});
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};
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this.dialog_schliessen = function () {
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document.querySelector('.close-btn').removeEventListener(
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'click', self.dialog_schliessen);
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var dlg = document.querySelector('.dialog');
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dlg.innerHTML = '';
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dlg.style.flexBasis = '0em';
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};
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/* API functions */
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this.get_user_list = function() {
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var m = 'getUserNameList';
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var u = '../svc/' + m;
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self.http_get(u, function (antwort) {
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self.html_erzeugen(
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'data/tpl/inhalt.tpl',
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JSON.parse(antwort),
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function (h) {
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var elem = document.getElementById('nutzer');
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elem.innerHTML = h;
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self.addEvtListener('p.nutzer-liste-eintrag', 'click', self.nutzerliste_klick);
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document.querySelector('.zurueck-btn').style.color = '#eee';
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self.removeAllListeners('top-neu-btn');
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var topBtn = document.querySelector('#top-neu-btn');
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topBtn.title = "Neuer Benutzer";
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topBtn.addEventListener('click', self.nutzer_neu_dialog_zeigen);
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});
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});
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};
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this.neuen_nutzer_speichern = function(u) {
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var url = '../svc/createUser';
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self.http_post(url, u, function (antwort) {
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self.get_user_list();
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document.getElementById('nutzer-speichern-btn').removeEventListener(
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'click', self.nutzer_speichern);
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self.dialog_schliessen();
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});
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};
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this.nutzer_loeschen = function(u) {
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var url = '../svc/deleteUser';
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var data = "p=" + self.serialisieren(u);
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self.http_post(url, data, function (antwort) {
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self.get_user_list();
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document.getElementById('nutzer-loeschen-btn').removeEventListener(
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'click', self.nutzer_loeschen);
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self.dialog_schliessen();
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});
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};
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this.alter_role_call = function(method, nutzerId, roleId, updateCallback) {
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var u = '../svc/' + method;
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var data = "p=" + self.serialisieren(new UserRole(nutzerId, roleId));
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self.http_post(u, data, function (antwort) {
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updateCallback(roleId);
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});
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};
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/* -------- An- und Abmelden ------------- */
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this.get_login = function() {
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var m = '?c=de.uhilger.um.pub.SessionManager&m=getSessionUser';
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var u = '../pub' + m;
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self.http_get(u, function (resp) {
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self.userid = resp;
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self.login_zeigen();
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//document.querySelector("#userMenu").textContent = resp;
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});
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};
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this.um_logout = function() {
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var m = '?c=de.uhilger.um.pub.SessionManager&m=expireSession';
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var u = '../pub' + m;
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self.http_get(u, function (resp) {
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//$('#userMenu').text('nicht angemeldet');
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window.location.href = '../logout.html';
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});
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};
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/* -------- ajax helper functions ----------- */
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this.http_get = function(u, cb) {
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self.http_call('GET', u, null, cb);
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};
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this.http_post = function(u, data, cb) {
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self.http_call('POST', u, data, cb);
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};
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this.http_call = function (method, u, data, scallback) {
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var xhr = new XMLHttpRequest();
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var url = u;
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xhr.onreadystatechange = function() {
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if (this.readyState === 4 && this.status === 200) {
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scallback(this.responseText);
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}
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};
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xhr.open(method, url);
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if(method === 'GET') {
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xhr.send();
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} else if(method === 'POST' || method === 'PUT') {
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xhr.send(data);
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}
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};
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/* ----- Hilfsfunktionen ----- */
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this.serialisieren = function(obj) {
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return '{"' + obj.constructor.name + '":' + JSON.stringify(obj) + '}';
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};
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this.addEvtListener = function(selector, eventName, func) {
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var elems = document.querySelectorAll(selector);
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var index;
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for (index = 0; index < elems.length; index++) {
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elems[index].addEventListener(eventName, func);
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}
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};
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this.removeAllListeners = function(elementId) {
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var el = document.getElementById(elementId);
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elClone = el.cloneNode(true);
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el.parentNode.replaceChild(elClone, el);
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}; // https://stackoverflow.com/questions/19469881/remove-all-event-listeners-of-specific-type
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/* ---- Vorlagen ---- */
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this.html_erzeugen = function(vurl, inhalt, cb) {
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var vorlage = self.cache[vurl];
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if(vorlage === undefined) {
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self.vorlage_laden_und_fuellen(vurl, inhalt, cb);
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} else {
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self.vorlage_fuellen(vurl, inhalt, cb);
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}
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};
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this.vorlage_fuellen = function(vurl, inhalt, cb) {
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cb(Mustache.render(self.cache[vurl], inhalt));
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};
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this.vorlage_laden_und_fuellen = function(vurl, inhalt, cb) {
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app.http_get(vurl, function(antwort) {
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self.cache[vurl] = antwort;
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self.vorlage_fuellen(vurl, inhalt, cb);
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});
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};
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}
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/* ----- Objekte ----- */
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function User(i, p, fn, ln, em) {
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this.id = i;
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this.pw = p;
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this.firstName = fn;
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this.lastName = ln;
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this.email = em;
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}
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function UserRole(u, r) {
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this.userId = u;
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this.role = r;
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}
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