497 lines
15 KiB
JavaScript
497 lines
15 KiB
JavaScript
var common = {};
|
|
|
|
common.INPUT_TYPES = new Set(["INPUT", "TEXTAREA"]);
|
|
|
|
common._request =
|
|
function _request(method, url, callback)
|
|
{
|
|
let request = new XMLHttpRequest();
|
|
let response = {
|
|
"completed": false,
|
|
};
|
|
|
|
request.onreadystatechange = function()
|
|
{
|
|
if (request.readyState != 4)
|
|
{return;}
|
|
|
|
if (callback == null)
|
|
{return;}
|
|
|
|
if (request.status != 0)
|
|
{
|
|
response.completed = true;
|
|
response.data = JSON.parse(request.responseText);
|
|
}
|
|
response.meta = {
|
|
"request_url": url,
|
|
"status": request.status
|
|
}
|
|
callback(response);
|
|
};
|
|
let asynchronous = true;
|
|
request.open(method, url, asynchronous);
|
|
return request;
|
|
}
|
|
|
|
common.get =
|
|
function get(url, callback)
|
|
{
|
|
request = common._request("GET", url, callback);
|
|
request.send();
|
|
}
|
|
|
|
common.post =
|
|
function post(url, data, callback)
|
|
{
|
|
request = common._request("POST", url, callback);
|
|
request.send(data);
|
|
}
|
|
|
|
common.bind_box_to_button =
|
|
function bind_box_to_button(box, button, ctrl_enter)
|
|
{
|
|
/*
|
|
Bind a textbox to a button so that pressing Enter within the textbox is the
|
|
same as clicking the button.
|
|
|
|
If `ctrl_enter` is true, then you must press ctrl+Enter to trigger the
|
|
button, which is important for textareas.
|
|
|
|
Thanks Yaroslav Yakovlev
|
|
http://stackoverflow.com/a/9343095
|
|
*/
|
|
let bound_box_hook = function(event)
|
|
{
|
|
if (event.key !== "Enter")
|
|
{return;}
|
|
|
|
ctrl_success = !ctrl_enter || (event.ctrlKey);
|
|
|
|
if (! ctrl_success)
|
|
{return;}
|
|
|
|
button.click();
|
|
}
|
|
box.addEventListener("keyup", bound_box_hook);
|
|
}
|
|
|
|
common.create_message_bubble =
|
|
function create_message_bubble(message_area, message_positivity, message_text, lifespan)
|
|
{
|
|
if (lifespan === undefined)
|
|
{
|
|
lifespan = 8000;
|
|
}
|
|
let message = document.createElement("div");
|
|
message.className = "message_bubble " + message_positivity;
|
|
let span = document.createElement("span");
|
|
span.innerHTML = message_text;
|
|
message.appendChild(span);
|
|
message_area.appendChild(message);
|
|
setTimeout(function(){message_area.removeChild(message);}, lifespan);
|
|
}
|
|
|
|
common.delete_all_children =
|
|
function delete_all_children(element)
|
|
{
|
|
while (element.firstChild)
|
|
{
|
|
element.removeChild(element.firstChild);
|
|
}
|
|
}
|
|
|
|
common.entry_with_history_hook =
|
|
function entry_with_history_hook(event)
|
|
{
|
|
const box = event.target;
|
|
|
|
if (box.entry_history === undefined)
|
|
{box.entry_history = [];}
|
|
|
|
if (box.entry_history_pos === undefined)
|
|
{box.entry_history_pos = null;}
|
|
|
|
if (event.key === "Enter")
|
|
{
|
|
if (box.value === "")
|
|
{return;}
|
|
box.entry_history.push(box.value);
|
|
box.entry_history_pos = null;
|
|
}
|
|
else if (event.key === "Escape")
|
|
{
|
|
box.entry_history_pos = null;
|
|
box.value = "";
|
|
}
|
|
|
|
if (box.entry_history.length == 0)
|
|
{return}
|
|
|
|
if (box.entry_history_pos !== null && box.value !== box.entry_history[box.entry_history_pos])
|
|
{return;}
|
|
|
|
if (event.key === "ArrowUp")
|
|
{
|
|
if (box.entry_history_pos === null)
|
|
{box.entry_history_pos = box.entry_history.length - 1;}
|
|
else if (box.entry_history_pos == 0)
|
|
{;}
|
|
else
|
|
{box.entry_history_pos -= 1;}
|
|
|
|
if (box.entry_history_pos === null)
|
|
{box.value = "";}
|
|
else
|
|
{box.value = box.entry_history[box.entry_history_pos];}
|
|
|
|
setTimeout(function(){box.selectionStart = box.value.length;}, 0);
|
|
}
|
|
else if (event.key === "ArrowDown")
|
|
{
|
|
if (box.entry_history_pos === null)
|
|
{;}
|
|
else if (box.entry_history_pos == box.entry_history.length-1)
|
|
{box.entry_history_pos = null;}
|
|
else
|
|
{box.entry_history_pos += 1;}
|
|
|
|
if (box.entry_history_pos === null)
|
|
{box.value = "";}
|
|
else
|
|
{box.value = box.entry_history[box.entry_history_pos];}
|
|
|
|
setTimeout(function(){box.selectionStart = box.value.length;}, 0);
|
|
}
|
|
}
|
|
|
|
common.html_to_element =
|
|
function html_to_element(html)
|
|
{
|
|
let template = document.createElement("template");
|
|
template.innerHTML = html.trim();
|
|
return template.content.firstElementChild;
|
|
}
|
|
|
|
common.init_atag_merge_params =
|
|
function init_atag_merge_params(a)
|
|
{
|
|
/*
|
|
To create an <a> tag where the ?parameters written on the href are merged
|
|
with the parameters of the current page URL, give it the class
|
|
"merge_params". If the URL and href contain the same parameter, the href
|
|
takes priority.
|
|
|
|
Optional:
|
|
data-merge-params: A whitelist of parameter names, separated by commas
|
|
or spaces. Only these parameters will be merged from the page URL.
|
|
|
|
data-merge-params-except: A blacklist of parameter names, separated by
|
|
commas or spaces. All parameters except these will be merged from
|
|
the page URL.
|
|
|
|
Example:
|
|
URL: ?filter=hello&orderby=score
|
|
href: "?orderby=date"
|
|
Result: "?filter=hello&orderby=date"
|
|
*/
|
|
const page_params = Array.from(new URLSearchParams(window.location.search));
|
|
let to_merge;
|
|
|
|
if (a.dataset.mergeParams)
|
|
{
|
|
let keep = new Set(a.dataset.mergeParams.split(/[\s,]+/));
|
|
to_merge = page_params.filter(key_value => keep.has(key_value[0]));
|
|
delete a.dataset.mergeParams;
|
|
}
|
|
else if (a.dataset.mergeParamsExcept)
|
|
{
|
|
let remove = new Set(a.dataset.mergeParamsExcept.split(/[\s,]+/));
|
|
to_merge = page_params.filter(key_value => (! remove.has(key_value[0])));
|
|
delete a.dataset.mergeParamsExcept;
|
|
}
|
|
else
|
|
{
|
|
to_merge = page_params;
|
|
}
|
|
|
|
to_merge = to_merge.concat(Array.from(new URLSearchParams(a.search)));
|
|
const new_params = new URLSearchParams();
|
|
for (const [key, value] of to_merge)
|
|
{ new_params.set(key, value); }
|
|
a.search = new_params.toString();
|
|
a.classList.remove("merge_params");
|
|
}
|
|
|
|
common.init_all_atag_merge_params =
|
|
function init_all_atag_merge_params()
|
|
{
|
|
const page_params = Array.from(new URLSearchParams(window.location.search));
|
|
let as = Array.from(document.getElementsByClassName("merge_params"));
|
|
for (const a of as)
|
|
{
|
|
common.init_atag_merge_params(a);
|
|
}
|
|
}
|
|
|
|
common.init_button_with_confirm =
|
|
function init_button_with_confirm(button)
|
|
{
|
|
/*
|
|
To create a button that requires a second confirmation step, assign it the
|
|
class "button_with_confirm".
|
|
|
|
Required:
|
|
data-onclick: String that would normally be the button's onclick.
|
|
This is done so that if the button_with_confirm fails to initialize,
|
|
the button will be non-operational as opposed to being operational
|
|
but with no confirmation. For dangerous actions I think this is a
|
|
worthwhile move though it could lead to feature downtime.
|
|
|
|
Optional:
|
|
data-prompt: Text that appears next to the confirm button. Default is
|
|
"Are you sure?".
|
|
|
|
data-prompt-class: CSS class for the prompt span.
|
|
|
|
data-confirm: Text inside the confirm button. Default is to inherit the
|
|
original button's text.
|
|
|
|
data-confirm-class: CSS class for the confirm button. Default is to
|
|
inheret all classes of the original button, except for
|
|
"button_with_confirm" of course.
|
|
|
|
data-cancel: Text inside the cancel button. Default is "Cancel".
|
|
|
|
data-cancel-class: CSS class for the cancel button.
|
|
|
|
data-holder-class: CSS class for the new span that holds the menu.
|
|
*/
|
|
button.classList.remove("button_with_confirm");
|
|
|
|
let holder = document.createElement("span");
|
|
holder.className = button.dataset.holderClass || "";
|
|
holder.classList.add("confirm_holder");
|
|
button.parentElement.insertBefore(holder, button);
|
|
button.parentElement.removeChild(button);
|
|
|
|
let holder_stage1 = document.createElement("span");
|
|
holder_stage1.classList.add("confirm_holder_stage1");
|
|
holder_stage1.appendChild(button);
|
|
holder.appendChild(holder_stage1);
|
|
|
|
let holder_stage2 = document.createElement("span");
|
|
holder_stage2.classList.add("confirm_holder_stage2");
|
|
holder_stage2.classList.add("hidden");
|
|
holder.appendChild(holder_stage2);
|
|
|
|
let prompt;
|
|
let input_source;
|
|
if (button.dataset.isInput)
|
|
{
|
|
prompt = document.createElement("input");
|
|
prompt.placeholder = button.dataset.prompt || "";
|
|
input_source = prompt;
|
|
}
|
|
else
|
|
{
|
|
prompt = document.createElement("span");
|
|
prompt.innerText = (button.dataset.prompt || "Are you sure?") + " ";
|
|
input_source = undefined;
|
|
}
|
|
prompt.className = button.dataset.promptClass || "";
|
|
holder_stage2.appendChild(prompt)
|
|
delete button.dataset.prompt;
|
|
delete button.dataset.promptClass;
|
|
|
|
let button_confirm = document.createElement("button");
|
|
button_confirm.innerText = (button.dataset.confirm || button.innerText).trim();
|
|
if (button.dataset.confirmClass === undefined)
|
|
{
|
|
button_confirm.className = button.className;
|
|
button_confirm.classList.remove("button_with_confirm");
|
|
}
|
|
else
|
|
{
|
|
button_confirm.className = button.dataset.confirmClass;
|
|
}
|
|
button_confirm.input_source = input_source;
|
|
holder_stage2.appendChild(button_confirm);
|
|
holder_stage2.appendChild(document.createTextNode(" "));
|
|
if (button.dataset.isInput)
|
|
{
|
|
common.bind_box_to_button(prompt, button_confirm);
|
|
}
|
|
delete button.dataset.confirm;
|
|
delete button.dataset.confirmClass;
|
|
delete button.dataset.isInput;
|
|
|
|
let button_cancel = document.createElement("button");
|
|
button_cancel.innerText = button.dataset.cancel || "Cancel";
|
|
button_cancel.className = button.dataset.cancelClass || "";
|
|
holder_stage2.appendChild(button_cancel);
|
|
delete button.dataset.cancel;
|
|
delete button.dataset.cancelClass;
|
|
|
|
// If this is stupid, let me know.
|
|
let confirm_onclick = `
|
|
let holder = event.target.parentElement.parentElement;
|
|
holder.getElementsByClassName("confirm_holder_stage1")[0].classList.remove("hidden");
|
|
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
|
|
` + button.dataset.onclick;
|
|
button_confirm.onclick = Function(confirm_onclick);
|
|
button.removeAttribute("onclick");
|
|
button.onclick = function(event)
|
|
{
|
|
let holder = event.target.parentElement.parentElement;
|
|
holder.getElementsByClassName("confirm_holder_stage1")[0].classList.add("hidden");
|
|
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.remove("hidden");
|
|
let input = holder.getElementsByTagName("input")[0];
|
|
if (input)
|
|
{
|
|
input.focus();
|
|
}
|
|
}
|
|
|
|
button_cancel.onclick = function(event)
|
|
{
|
|
let holder = event.target.parentElement.parentElement;
|
|
holder.getElementsByClassName("confirm_holder_stage1")[0].classList.remove("hidden");
|
|
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
|
|
}
|
|
delete button.dataset.onclick;
|
|
}
|
|
|
|
common.init_all_button_with_confirm =
|
|
function init_all_button_with_confirm()
|
|
{
|
|
let buttons = Array.from(document.getElementsByClassName("button_with_confirm"));
|
|
for (const button of buttons)
|
|
{
|
|
common.init_button_with_confirm(button);
|
|
}
|
|
}
|
|
|
|
common.init_enable_on_pageload =
|
|
function init_enable_on_pageload(element)
|
|
{
|
|
/*
|
|
To create an input element which is disabled at first, and is enabled when
|
|
the DOM has completed loading, give it the disabled attribute and the
|
|
class "enable_on_pageload".
|
|
*/
|
|
element.disabled = false;
|
|
element.classList.remove("enable_on_pageload");
|
|
}
|
|
|
|
common.init_all_enable_on_pageload =
|
|
function init_all_enable_on_pageload()
|
|
{
|
|
let elements = Array.from(document.getElementsByClassName("enable_on_pageload"));
|
|
for (const element of elements)
|
|
{
|
|
common.init_enable_on_pageload(element);
|
|
}
|
|
}
|
|
|
|
common.init_entry_with_history =
|
|
function init_entry_with_history(input)
|
|
{
|
|
input.addEventListener("keydown", common.entry_with_history_hook);
|
|
input.classList.remove("entry_with_history");
|
|
}
|
|
|
|
common.init_all_entry_with_history =
|
|
function init_all_entry_with_history()
|
|
{
|
|
const inputs = Array.from(document.getElementsByClassName("entry_with_history"));
|
|
for (const input of inputs)
|
|
{
|
|
common.init_entry_with_history(input);
|
|
}
|
|
}
|
|
|
|
common.init_tabbed_container =
|
|
function init_tabbed_container(tabbed_container)
|
|
{
|
|
let button_container = document.createElement("div");
|
|
button_container.className = "tab_buttons";
|
|
tabbed_container.prepend(button_container);
|
|
let tabs = Array.from(tabbed_container.getElementsByClassName("tab"));
|
|
for (const tab of tabs)
|
|
{
|
|
tab.classList.add("hidden");
|
|
let tab_id = tab.dataset.tabId || tab.dataset.tabTitle;
|
|
tab.dataset.tabId = tab_id;
|
|
tab.style.borderTopColor = "transparent";
|
|
|
|
let button = document.createElement("button");
|
|
button.className = "tab_button tab_button_inactive";
|
|
button.onclick = common.tabbed_container_switcher;
|
|
button.innerText = tab.dataset.tabTitle;
|
|
button.dataset.tabId = tab_id;
|
|
button_container.append(button);
|
|
}
|
|
tabs[0].classList.remove("hidden");
|
|
button_container.firstElementChild.classList.remove("tab_button_inactive");
|
|
button_container.firstElementChild.classList.add("tab_button_active");
|
|
}
|
|
|
|
common.init_all_tabbed_container =
|
|
function init_all_tabbed_container()
|
|
{
|
|
let tabbed_containers = Array.from(document.getElementsByClassName("tabbed_container"));
|
|
for (const tabbed_container of tabbed_containers)
|
|
{
|
|
common.init_tabbed_container(tabbed_container);
|
|
}
|
|
}
|
|
|
|
common.tabbed_container_switcher =
|
|
function tabbed_container_switcher(event)
|
|
{
|
|
let tab_button = event.target;
|
|
if (tab_button.classList.contains("tab_button_active"))
|
|
{ return; }
|
|
|
|
let tab_id = tab_button.dataset.tabId;
|
|
let tab_buttons = tab_button.parentElement.getElementsByClassName("tab_button");
|
|
let tabs = tab_button.parentElement.parentElement.getElementsByClassName("tab");
|
|
for (const tab_button of tab_buttons)
|
|
{
|
|
if (tab_button.dataset.tabId === tab_id)
|
|
{
|
|
tab_button.classList.remove("tab_button_inactive");
|
|
tab_button.classList.add("tab_button_active");
|
|
}
|
|
else
|
|
{
|
|
tab_button.classList.remove("tab_button_active");
|
|
tab_button.classList.add("tab_button_inactive");
|
|
}
|
|
}
|
|
for (const tab of tabs)
|
|
{
|
|
if (tab.dataset.tabId === tab_id)
|
|
{ tab.classList.remove("hidden"); }
|
|
else
|
|
{ tab.classList.add("hidden"); }
|
|
}
|
|
}
|
|
|
|
common.refresh =
|
|
function refresh()
|
|
{
|
|
window.location.reload();
|
|
}
|
|
|
|
common.on_pageload =
|
|
function on_pageload()
|
|
{
|
|
common.init_all_atag_merge_params();
|
|
common.init_all_button_with_confirm();
|
|
common.init_all_enable_on_pageload();
|
|
common.init_all_entry_with_history();
|
|
common.init_all_tabbed_container();
|
|
}
|
|
document.addEventListener("DOMContentLoaded", common.on_pageload);
|