Kilencedik vizsga

2019-20-1-04/Megoldás/script.js

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+document.addEventListener("DOMContentLoaded", () => {
+    var listak = Array.from(document.getElementsByTagName("select"));
+    var dic = {};
+    for (var i in adatbazis) {
+        for (j in adatbazis[i]) {
+            dic[adatbazis[i][j]["megallo"]] = 0;
+        }
+    }
+    for (i in dic) {
+        var newop = document.createElement("option");
+        newop.innerText = i;
+        newop.value = i;
+        listak[0].appendChild(newop.cloneNode(true));
+        listak[1].appendChild(newop.cloneNode(true));
+    }
+});
+
+function search(event) {
+    event.preventDefault();
+    var listak = Array.from(document.getElementsByTagName("select"));
+    if (listak[0].value === listak[1].value) {
+        alert("A cél, és az indulás megegyeznek!");
+        return 0;
+    }
+    var sections = Array.from(document.getElementsByClassName("tajekoztato"));
+    var sectionlist = [];
+    sectionlist.push(sections[0]);
+    for (i in adatbazis) {
+        var indul = null;
+        var megall = null;
+        for (j in adatbazis[i]) {
+            if (adatbazis[i][j]["megallo"] === listak[0].value) {
+                indul = adatbazis[i][j];
+            }
+            if (adatbazis[i][j]["megallo"] === listak[1].value && indul != null) {
+                megall = adatbazis[i][j];
+            }
+        }
+        if (indul != null && megall) {
+            var train = document.createElement("section");
+            var indul = new Date(indul["indul"]);
+            train.classList = "idobe";
+
+            let title = document.createElement("h2");
+            title.innerText = i;
+            train.appendChild(title);
+
+            let pindul = document.createElement("p");
+            pindul.innerText = "Indulás: " + indul["indul"];
+            train.appendChild(pindul);
+
+            let perkez = document.createElement("p");
+            perkez.innerText = "Érkezés: " + megall["erkezik"];
+            train.appendChild(perkez);
+
+            sectionlist.push(train);
+        }
+    }
+    console.log(sectionlist)
+    var olds = Array.from(document.getElementsByTagName("section"));
+    for (var i = 0; i < olds.length; i++) {
+        olds[i].remove();
+    }
+    for (var i = 0; i < sectionlist.length; i++) {
+        document.getElementsByTagName("article")[0].appendChild(sectionlist[i]);
+    }
+}