363 lines
11 KiB
JavaScript
363 lines
11 KiB
JavaScript
var common = {};
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common.INPUT_TYPES = new Set(["INPUT", "TEXTAREA"]);
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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, ctrl_enter)
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{
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// Thanks Yaroslav Yakovlev
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// http://stackoverflow.com/a/9343095
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var bound_box_hook = function(event)
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{
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if (event.key !== "Enter")
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{return;}
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ctrl_success = !ctrl_enter || (event.ctrlKey)
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if (! ctrl_success)
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{return;}
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button.click();
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}
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box.addEventListener("keyup", bound_box_hook);
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}
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common.create_message_bubble =
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function create_message_bubble(message_area, message_positivity, message_text, lifespan)
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{
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if (lifespan === undefined)
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{
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lifespan = 8000;
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}
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var message = document.createElement("div");
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message.className = "message_bubble " + message_positivity;
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var span = document.createElement("span");
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span.innerHTML = message_text;
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message.appendChild(span);
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message_area.appendChild(message);
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setTimeout(function(){message_area.removeChild(message);}, lifespan);
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}
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common.delete_all_children =
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function delete_all_children(element)
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{
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while (element.firstChild)
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{
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element.removeChild(element.firstChild);
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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(event)
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{
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//console.log(event);
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var box = event.target;
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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.key === "Enter")
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{
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box.entry_history.push(box.value);
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}
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else if (event.key === "ArrowUp")
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{
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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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{box.entry_history_pos = box.entry_history.length - 1;}
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else if (box.entry_history_pos > 0)
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{box.entry_history_pos -= 1;}
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box.value = box.entry_history[box.entry_history_pos];
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setTimeout(function(){box.selectionStart = box.value.length;}, 0);
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}
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else if (event.key === "Escape")
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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.entry_with_tagname_replacements =
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function entry_with_tagname_replacements(event)
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{
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var cursor_position = event.target.selectionStart;
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var new_value = common.tagname_replacements(event.target.value);
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if (new_value != event.target.value)
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{
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event.target.value = new_value;
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event.target.selectionStart = cursor_position;
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event.target.selectionEnd = cursor_position;
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}
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}
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common.html_to_element =
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function html_to_element(html)
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{
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var template = document.createElement("template");
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template.innerHTML = html;
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return template.content.firstChild;
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}
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common.init_button_with_confirm =
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function init_button_with_confirm()
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{
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/*
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To create a button that requires a second confirmation step, assign it the
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class "button_with_confirm".
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Required:
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data-onclick: String that would normally be the button's onclick.
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Optional:
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data-prompt: Text that appears next to the confirm button. Default is
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"Are you sure?".
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data-prompt-class
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data-confirm: Text inside the confirm button. Default is to inherit the
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original button's text.
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data-confirm-class
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data-cancel: Text inside the cancel button. Default is "Cancel".
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data-cancel-class
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data-holder-class: CSS class for the new span that holds the menu.
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*/
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var buttons = Array.from(document.getElementsByClassName("button_with_confirm"));
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buttons.forEach(function(button)
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{
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button.classList.remove("button_with_confirm");
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var holder = document.createElement("span");
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holder.classList.add("confirm_holder");
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holder.classList.add(button.dataset.holderClass || "confirm_holder");
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button.parentElement.insertBefore(holder, button);
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button.parentElement.removeChild(button);
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var holder_stage1 = document.createElement("span");
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holder_stage1.classList.add("confirm_holder_stage1");
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holder_stage1.appendChild(button);
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holder.appendChild(holder_stage1);
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var holder_stage2 = document.createElement("span");
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holder_stage2.classList.add("confirm_holder_stage2");
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holder_stage2.classList.add("hidden");
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holder.appendChild(holder_stage2);
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var prompt;
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var input_source;
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if (button.dataset.isInput)
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{
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prompt = document.createElement("input");
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prompt.placeholder = button.dataset.prompt || "";
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input_source = prompt;
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}
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else
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{
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prompt = document.createElement("span");
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prompt.innerText = (button.dataset.prompt || "Are you sure?") + " ";
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input_source = undefined;
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}
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prompt.className = button.dataset.promptClass || "";
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holder_stage2.appendChild(prompt)
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delete button.dataset.prompt;
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delete button.dataset.promptClass;
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var button_confirm = document.createElement("button");
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button_confirm.innerText = (button.dataset.confirm || button.innerText).trim();
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button_confirm.className = button.dataset.confirmClass || "";
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button_confirm.input_source = input_source;
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holder_stage2.appendChild(button_confirm);
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holder_stage2.appendChild(document.createTextNode(" "));
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if (button.dataset.isInput)
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{
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common.bind_box_to_button(prompt, button_confirm);
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}
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delete button.dataset.confirm;
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delete button.dataset.confirmClass;
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delete button.dataset.isInput;
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var button_cancel = document.createElement("button");
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button_cancel.innerText = button.dataset.cancel || "Cancel";
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button_cancel.className = button.dataset.cancelClass || "";
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holder_stage2.appendChild(button_cancel);
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delete button.dataset.cancel;
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delete button.dataset.cancelClass;
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// If this is stupid, let me know.
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var confirm_onclick = button.dataset.onclick + `
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;
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var holder = event.target.parentElement.parentElement;
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holder.getElementsByClassName("confirm_holder_stage1")[0].classList.remove("hidden");
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holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
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`
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button_confirm.onclick = Function(confirm_onclick);
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button.removeAttribute("onclick");
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button.onclick = function(event)
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{
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var holder = event.target.parentElement.parentElement;
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holder.getElementsByClassName("confirm_holder_stage1")[0].classList.add("hidden");
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holder.getElementsByClassName("confirm_holder_stage2")[0].classList.remove("hidden");
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var input = holder.getElementsByTagName("input")[0];
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if (input)
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{
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input.focus();
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}
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}
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button_cancel.onclick = function(event)
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{
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var holder = event.target.parentElement.parentElement;
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holder.getElementsByClassName("confirm_holder_stage1")[0].classList.remove("hidden");
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holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
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}
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delete button.dataset.onclick;
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});
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}
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var spinner_button_index = 0;
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common.init_button_with_spinner =
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function init_button_with_spinner()
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{
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/*
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To create a button that has a spinner, and cannot be clicked again while
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the action is running, assign it the class "button_with_spinner".
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Required:
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data-onclick: The string that would normally be the button's onclick.
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Optional:
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data-spinner-id: If you want to use your own element as the spinner,
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give its ID here. Otherwise a new one will be created.
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data-holder-class: CSS class for the new span that holds the menu.
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*/
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var buttons = Array.from(document.getElementsByClassName("button_with_spinner"));
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buttons.forEach(function(button)
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{
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button.classList.remove("button_with_spinner");
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button.innerHTML = button.innerHTML.trim();
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var holder = document.createElement("span");
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holder.classList.add("spinner_holder");
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holder.classList.add(button.dataset.holderClass || "spinner_holder");
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button.parentElement.insertBefore(holder, button);
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button.parentElement.removeChild(button);
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holder.appendChild(button);
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var spinner_element;
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if (button.dataset.spinnerId)
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{
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spinner_element = document.getElementById(button.dataset.spinnerId);
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}
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else
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{
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spinner_element = document.createElement("span");
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spinner_element.innerText = "Working...";
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spinner_element.classList.add("hidden");
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holder.appendChild(spinner_element);
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}
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var spin = new spinner.Spinner(spinner_element);
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var spin_delay = parseFloat(button.dataset.spinnerDelay) || 0;
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var wrapped_onclick = Function(button.dataset.onclick);
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button.onclick = function()
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{
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spin.show(spin_delay);
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button.disabled = true;
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wrapped_onclick();
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}
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delete button.dataset.onclick;
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var closer_id = "spinner_closer_" + spinner_button_index;
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spinner_button_index += 1;
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window[closer_id] = function spinner_closer()
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{
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spin.hide();
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button.disabled = false;
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}
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button.dataset.spinnerCloser = closer_id;
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});
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}
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common.normalize_tagname =
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function normalize_tagname(tagname)
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{
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tagname = tagname.trim();
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tagname = tagname.toLocaleLowerCase();
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tagname = tagname.split(".");
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tagname = tagname[tagname.length-1];
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tagname = tagname.split("+")[0];
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tagname = common.tagname_replacements(tagname);
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return tagname;
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}
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common.tagname_replacements =
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function tagname_replacements(tagname)
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{
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tagname = tagname.replace(new RegExp(" ", 'g'), "_");
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tagname = tagname.replace(new RegExp("-", 'g'), "_");
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return tagname;
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}
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common.refresh =
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function refresh()
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{
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window.location.reload();
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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_button_with_confirm();
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common.init_button_with_spinner();
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}
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document.addEventListener("DOMContentLoaded", common.on_pageload);
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