WME/aufgabe3/public/assets/js/ajax.js
2019-01-05 17:57:46 +01:00

124 lines
3.5 KiB
JavaScript
Executable file

let tableData_global; // fetched date
let range_global = null;
let filterId_global = null;
let propertyToShowMap_global = {};
let properties_global;
// true/false-map für properties
const doFetchCountries = (filterId, range) => {
let url_append = "";
if (filterId !== null && filterId !== undefined) {
url_append += "/" + filterId;
}
if (range !== null && range !== undefined) {
url_append += "/" + range;
}
$.ajax({url: "/items" + url_append}).done((data) => {
if (data instanceof Array) tableData_global = data;
else {
tableData_global = [];
tableData_global.push(data);
}
doTablePrint();
});
};
const onLoadedProperties = (props) => {
properties_global = props;
properties_global.forEach(function (prop) {
propertyToShowMap_global[prop] = true;
});
// standardmäßig alle properties anzeigen; map aufbauen
// options im select
let html1 = "";
properties_global.forEach(function (prop) {
html1 += "<option value=\"" + prop + "\">" + prop + "</option>"
});
$("#prop_selection").html(html1);
};
const doTablePrint = () => {
// thead
let html = "";
properties_global.forEach((prop) => {
if (propertyToShowMap_global[prop]) {
html += "<th>" + prop + "</th>";
}
});
$("#table_head").html(html);
// tbody
html = "";
tableData_global.forEach(row => {
html += "<tr>";
properties_global.forEach((key) => {
if (propertyToShowMap_global[key]) {
html += "<td>" + row[key] + "</td>";
}
});
html += "</tr>";
});
$("#table_body").html(html);
};
const clickListenersInit = () => {
$("#country_filter_submit").click(() => {
// Filterung
filterId_global = $("#country_filter_id").val();
range_global = $("#country_filter_range").val();
if (range_global === "") {
doFetchCountries(filterId_global, null);
} else {
doFetchCountries(filterId_global, range_global);
}
});
$("#rm_submit").click(() => { // Löschen
$.ajax({
url: '/items/' + $("#country_delete_id").val(), type: 'DELETE'
}).done(() => {
console.log("Item mit ID " + $("#country_delete_id").val() + " gelöscht!");
});
doFetchCountries(filterId_global, range_global);
});
$("#add_submit").click(() => {
$.ajax({
url: "/items",
type: "POST",
contentType: "application/json; charset=utf-8",
dataType: "json",
data: JSON.stringify({
name: $("#country_name").val(),
"birth_rate_per_1000": $("#country_birth").val(),
"cell_phones_per_100": $("#country_cellphone").val()
})
}).done(function () {
console.log("Item angelegt!");
});
doFetchCountries(filterId_global, range_global);
});
$("#show_selected_prop").click(() => {
propertyToShowMap_global[$("#prop_selection option:selected").text()] = true;
doTablePrint();
});
$("#hide_selected_prop").click(() => {
propertyToShowMap_global[$("#prop_selection option:selected").text()] = false;
doTablePrint();
});
};
window.onload = () => {
clickListenersInit();
$.ajax({url: "/properties"}).done((data) => {
onLoadedProperties(data);
doFetchCountries(null, null);
});
};