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155 lines
4.0 KiB
155 lines
4.0 KiB
// Warning, manual IDs
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const ADDR_BOX = document.getElementById('id_address');
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const SEARCH_URL = '/download/search/';
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const ADDR_LIST = document.getElementById('addrlist');
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const STATUS_BOX = document.getElementById('statusbox');
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const FORM = document.getElementById("codeform");
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const SUBMIT_BUTTON = FORM.querySelector("input[type=submit]");
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// from W3CSchools
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function getCookie(cname) {
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var name = cname + "=";
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var decodedCookie = decodeURIComponent(document.cookie);
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var ca = decodedCookie.split(';');
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for(var i = 0; i <ca.length; i++) {
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var c = ca[i];
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while (c.charAt(0) == ' ') {
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c = c.substring(1);
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}
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if (c.indexOf(name) == 0) {
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return c.substring(name.length, c.length);
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}
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}
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return "";
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}
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const success = () => {
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clearFields();
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SUBMIT_BUTTON.style.backgroundColor = '#61F900';
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SUBMIT_BUTTON.value = 'Success!';
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STATUS_BOX.innerText = '';
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}
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const fail = (err) => {
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STATUS_BOX.innerText = err;
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STATUS_BOX.style.color = 'red';
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SUBMIT_BUTTON.value = 'Try again.';
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}
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const clearFields = () => {
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FORM.reset();
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}
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const lockForm = () => {
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document.querySelectorAll('input[type=text]').forEach((e) => e.disabled = true );
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SUBMIT_BUTTON.value = 'Waiting...';
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}
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const unlockForm = () => {
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document.querySelectorAll('input[type=text]').forEach((e) => e.disabled = false );
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SUBMIT_BUTTON.value = 'Submit';
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}
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//
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// from MDN
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function sendData( data ) {
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const XHR = new XMLHttpRequest(),
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FD = new FormData(FORM);
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// Push our data into our FormData object
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for( name in data ) {
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FD.append( name, data[ name ] );
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}
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// Define what happens on successful data submission
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XHR.addEventListener( 'load', function( event ) {
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resp = JSON.parse(event.target.response);
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unlockForm();
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if (resp.status === 'OK') {
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success();
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} else {
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fail(resp.message);
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}
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} );
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// Define what happens in case of error
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XHR.addEventListener(' error', function( event ) {
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alert( 'Oops! Something went wrong.' );
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} );
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// Set up our request
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XHR.open( FORM.getAttribute('method'), FORM.getAttribute('action'));
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XHR.setRequestHeader('X-CSRFToken', getCookie('csrftoken'));
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// Send our FormData object; HTTP headers are set automatically
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XHR.send( FD );
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}
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const remFakeHover = () => {
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for (ele of ADDR_LIST.getElementsByTagName('li')) {
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ele.classList.remove('fake-hover');
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}
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}
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const fakeHover = (i) => {
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remFakeHover();
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let ele = ADDR_LIST.getElementsByTagName('li')[i];
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ele.classList.add('fake-hover');
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}
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var selected_item = -1;
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ADDR_BOX.onkeydown = async (e) => {
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console.log(selected_item);
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let update = false;
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if (e.key === 'ArrowDown') {
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selected_item++;
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update = true;
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} else if (e.key === 'ArrowUp') {
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selected_item--;
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update = true;
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} else if (e.key === 'Enter' || e.key === 'Space') {
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e.preventDefault();
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ADDR_LIST.getElementsByTagName('li')[selected_item].click();
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}
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if (update) {
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fakeHover(selected_item);
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}
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};
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ADDR_BOX.oninput = async (e) => {
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const ADDR_INPUT = e.target.value;
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console.log(e.target.value);
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let response = await fetch(SEARCH_URL + ADDR_INPUT);
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var addresses;
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var has_results = false;
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try {
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addresses = await response.json();
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} catch {
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addresses = '';
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}
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console.log(addresses);
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ADDR_LIST.innerHTML = '';
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ADDR_LIST.style.border = 'none';
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let ul = document.createElement('ul');
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ul.classList.add('semantic');
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for (var i = 0; i < addresses.length; i++) {
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const address = addresses[i];
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has_results = true
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let li = document.createElement('li');
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li.innerText = address.address;
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li.onclick = function(e) {
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console.log(e.target.innerText);
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ADDR_BOX.value = e.target.innerText;
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ADDR_LIST.innerHTML = '';
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ADDR_LIST.style.border = 'none';
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// focus on next input box; depends on layout
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document.getElementById('id_code').focus();
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}
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ul.appendChild(li);
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}
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if (has_results) {
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ADDR_LIST.appendChild(ul);
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ADDR_LIST.style.border = '1px solid black';
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} else {
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ADDR_LIST.style.border = 'none';
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}
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}
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FORM.addEventListener('submit', (e) => {
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e.preventDefault();
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sendData();
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lockForm();
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});
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