129 lines
3 KiB
JavaScript
129 lines
3 KiB
JavaScript
var common = {};
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common.post_example =
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function post_example(key, value, callback)
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{
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var url = "/postexample";
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data = new FormData();
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data.append(key, value);
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return post(url, data, callback);
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}
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common.null_callback =
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function null_callback()
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{
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return;
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}
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common._request =
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function _request(method, url, callback)
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{
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var request = new XMLHttpRequest();
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request.onreadystatechange = function()
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{
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if (request.readyState == 4)
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{
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if (callback != null)
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{
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var response = {
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"data": JSON.parse(request.responseText),
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"meta": {}
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};
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response["meta"]["request_url"] = url;
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response["meta"]["status"] = request.status;
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callback(response);
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}
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}
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};
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var asynchronous = true;
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request.open(method, url, asynchronous);
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return request;
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}
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common.get =
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function get(url, callback)
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{
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request = common._request("GET", url, callback);
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request.send();
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}
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common.post =
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function post(url, data, callback)
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{
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request = common._request("POST", url, callback);
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request.send(data);
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}
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common.bind_box_to_button =
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function bind_box_to_button(box, button)
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{
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box.onkeydown=function()
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{
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if (event.keyCode == 13)
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{
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button.click();
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}
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};
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}
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common.entry_with_history_hook =
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function entry_with_history_hook(box, button)
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{
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//console.log(event.keyCode);
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if (box.entry_history === undefined)
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{box.entry_history = [];}
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if (box.entry_history_pos === undefined)
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{box.entry_history_pos = -1;}
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if (event.keyCode == 13)
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{
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/* Enter */
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box.entry_history.push(box.value);
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button.click();
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box.value = "";
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}
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else if (event.keyCode == 38)
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{
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/* Up arrow */
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if (box.entry_history.length == 0)
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{return}
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if (box.entry_history_pos == -1)
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{
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box.entry_history_pos = box.entry_history.length - 1;
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}
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else if (box.entry_history_pos > 0)
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{
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box.entry_history_pos -= 1;
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}
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box.value = box.entry_history[box.entry_history_pos];
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}
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else if (event.keyCode == 27)
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{
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box.value = "";
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}
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else
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{
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box.entry_history_pos = -1;
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}
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}
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common.init_atag_merge_params =
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function init_atag_merge_params()
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{
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var as = Array.from(document.getElementsByClassName("merge_params"));
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page_params = new URLSearchParams(window.location.search);
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as.forEach(function(a){
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var a_params = new URLSearchParams(a.search);
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var new_params = new URLSearchParams();
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page_params.forEach(function(value, key) {new_params.set(key, value); });
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a_params.forEach(function(value, key) {new_params.set(key, value); });
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a.search = new_params.toString();
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a.classList.remove("merge_params");
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});
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}
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common.on_pageload =
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function on_pageload()
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{
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common.init_atag_merge_params();
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}
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document.addEventListener("DOMContentLoaded", common.on_pageload);
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