mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2026-01-31 18:11:54 +08:00
moved kvmd to the root
This commit is contained in:
Devaev Maxim
319
web/js/ui.js
Normal file
319
web/js/ui.js
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function Ui() {
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var self = this;
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/********************************************************************************/
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var __top_z_index = 0;
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var __windows = [];
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var __ctl_items = [];
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var __init__ = function() {
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Array.prototype.forEach.call(document.querySelectorAll("button"), function(el_button) {
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// XXX: Workaround for iOS Safari:
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// https://stackoverflow.com/questions/3885018/active-pseudo-class-doesnt-work-in-mobile-safari
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el_button.ontouchstart = function() {};
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});
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Array.prototype.forEach.call($$("ctl-item"), function(el_item) {
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tools.setOnClick(el_item, () => __toggleMenu(el_item));
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__ctl_items.push(el_item);
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});
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Array.prototype.forEach.call($$("window"), function(el_window) {
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__makeWindowMovable(el_window);
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__windows.push(el_window);
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var el_button = el_window.querySelector(".window-header .window-button-close");
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if (el_button) {
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tools.setOnClick(el_button, function() {
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el_window.style.visibility = "hidden";
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__raiseLastWindow();
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});
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}
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});
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window.onmouseup = __globalMouseButtonHandler;
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window.ontouchend = __globalMouseButtonHandler;
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window.addEventListener("resize", () => __organizeWindowsOnResize(false));
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window.addEventListener("orientationchange", () => __organizeWindowsOnResize(true));
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tools.setOnClick($("show-about-button"), () => self.showWindow($("about-window")));
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tools.setOnClick($("show-keyboard-button"), () => self.showWindow($("keyboard-window")));
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tools.setOnClick($("show-stream-button"), () => self.showWindow($("stream-window")));
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self.showWindow($("stream-window"));
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};
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/********************************************************************************/
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self.error = (...args) => __modalDialog("Error", args.join(" "), true, false);
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self.confirm = (...args) => __modalDialog("Question", args.join(" "), true, true);
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var __modalDialog = function(header, text, ok, cancel) {
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var el_modal = document.createElement("div");
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el_modal.className = "modal";
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el_modal.style.visibility = "visible";
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var el_window = document.createElement("div");
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el_window.className = "modal-window";
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el_window.setAttribute("tabindex", "-1");
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el_modal.appendChild(el_window);
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var el_header = document.createElement("div");
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el_header.className = "modal-header";
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el_header.innerHTML = header;
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el_window.appendChild(el_header);
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var el_content = document.createElement("div");
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el_content.className = "modal-content";
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el_content.innerHTML = text;
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el_window.appendChild(el_content);
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var promise = null;
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if (ok || cancel) {
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promise = new Promise(function(resolve) {
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var el_buttons = document.createElement("div");
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el_buttons.className = "modal-buttons";
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el_window.appendChild(el_buttons);
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function close (retval) {
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el_modal.outerHTML = "";
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var index = __windows.indexOf(el_modal);
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if (index !== -1) {
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__windows.splice(index, 1);
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}
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__raiseLastWindow();
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resolve(retval);
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}
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if (cancel) {
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var el_cancel_button = document.createElement("button");
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el_cancel_button.innerHTML = "Cancel";
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tools.setOnClick(el_cancel_button, () => close(false));
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el_buttons.appendChild(el_cancel_button);
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}
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if (ok) {
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var el_ok_button = document.createElement("button");
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el_ok_button.innerHTML = "OK";
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tools.setOnClick(el_ok_button, () => close(true));
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el_buttons.appendChild(el_ok_button);
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}
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if (ok && cancel) {
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el_ok_button.className = "row50";
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el_cancel_button.className = "row50";
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}
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el_window.onkeyup = function(event) {
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event.preventDefault();
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if (ok && event.code === "Enter") {
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el_ok_button.click();
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} else if (cancel && event.code === "Escape") {
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el_cancel_button.click();
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}
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};
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});
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}
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__windows.push(el_modal);
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document.body.appendChild(el_modal);
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__raiseWindow(el_modal);
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return promise;
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};
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self.showWindow = function(el_window, raise=true) {
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if (!__isWindowOnPage(el_window) || el_window.hasAttribute("data-centered")) {
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var view = __getViewGeometry();
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var rect = el_window.getBoundingClientRect();
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el_window.style.top = Math.max($("ctl").clientHeight, Math.round((view.bottom - rect.height) / 2)) + "px";
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el_window.style.left = Math.round((view.right - rect.width) / 2) + "px";
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el_window.setAttribute("data-centered", "");
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}
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el_window.style.visibility = "visible";
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if (raise) {
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__raiseWindow(el_window);
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}
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};
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var __isWindowOnPage = function(el_window) {
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var view = __getViewGeometry();
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var rect = el_window.getBoundingClientRect();
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return (
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(rect.bottom - el_window.clientHeight / 1.5) <= view.bottom
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&& rect.top >= view.top
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&& (rect.left + el_window.clientWidth / 1.5) >= view.left
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&& (rect.right - el_window.clientWidth / 1.5) <= view.right
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);
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};
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var __getViewGeometry = function() {
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return {
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top: $("ctl").clientHeight,
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bottom: Math.max(document.documentElement.clientHeight, window.innerHeight || 0),
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left: 0,
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right: Math.max(document.documentElement.clientWidth, window.innerWidth || 0),
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};
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};
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var __toggleMenu = function(el_a) {
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var all_hidden = true;
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__ctl_items.forEach(function(el_item) {
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var el_menu = el_item.parentElement.querySelector(".ctl-dropdown-content");
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if (el_item === el_a && window.getComputedStyle(el_menu, null).visibility === "hidden") {
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el_item.focus();
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el_item.classList.add("ctl-item-selected");
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el_menu.style.visibility = "visible";
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all_hidden &= false;
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} else {
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el_item.classList.remove("ctl-item-selected");
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el_menu.style.visibility = "hidden";
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}
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});
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if (all_hidden) {
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document.onkeyup = null;
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__raiseLastWindow();
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} else {
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document.onkeyup = function(event) {
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if (event.code === "Escape") {
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event.preventDefault();
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__closeAllMenues();
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__raiseLastWindow();
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}
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};
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}
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};
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var __closeAllMenues = function() {
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document.onkeyup = null;
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__ctl_items.forEach(function(el_item) {
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var el_menu = el_item.parentElement.querySelector(".ctl-dropdown-content");
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el_item.classList.remove("ctl-item-selected");
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el_menu.style.visibility = "hidden";
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});
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};
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var __globalMouseButtonHandler = function(event) {
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if (!event.target.matches(".ctl-item")) {
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for (var el_item = event.target; el_item && el_item !== document; el_item = el_item.parentNode) {
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if (el_item.hasAttribute("data-force-hide-menu")) {
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break;
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} else if (el_item.hasAttribute("data-dont-hide-menu")) {
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return;
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}
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}
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__closeAllMenues();
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__raiseLastWindow();
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}
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};
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var __organizeWindowsOnResize = function(orientation) {
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var view = __getViewGeometry();
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Array.prototype.forEach.call($$("window"), function(el_window) {
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if (el_window.style.visibility === "visible" && (orientation || el_window.hasAttribute("data-centered"))) {
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var rect = el_window.getBoundingClientRect();
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el_window.style.top = Math.max($("ctl").clientHeight, Math.round((view.bottom - rect.height) / 2)) + "px";
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el_window.style.left = Math.round((view.right - rect.width) / 2) + "px";
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el_window.setAttribute("data-centered", "");
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}
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});
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};
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var __makeWindowMovable = function(el_window) {
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var el_header = el_window.querySelector(".window-header");
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var el_grab = el_window.querySelector(".window-header .window-grab");
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var prev_pos = {x: 0, y: 0};
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function startMoving(event) {
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__closeAllMenues();
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__raiseWindow(el_window);
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event = (event || window.event);
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event.preventDefault();
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if (!event.touches || event.touches.length === 1) {
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el_header.classList.add("window-header-grabbed");
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prev_pos = getEventPosition(event);
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document.onmousemove = doMoving;
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document.onmouseup = stopMoving;
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document.ontouchmove = doMoving;
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document.ontouchend = stopMoving;
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}
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}
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function doMoving(event) {
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el_window.removeAttribute("data-centered");
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event = (event || window.event);
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event.preventDefault();
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var event_pos = getEventPosition(event);
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var x = prev_pos.x - event_pos.x;
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var y = prev_pos.y - event_pos.y;
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el_window.style.top = (el_window.offsetTop - y) + "px";
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el_window.style.left = (el_window.offsetLeft - x) + "px";
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prev_pos = event_pos;
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}
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function stopMoving() {
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el_header.classList.remove("window-header-grabbed");
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document.onmousemove = null;
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document.onmouseup = null;
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document.ontouchmove = null;
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document.ontouchend = null;
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}
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function getEventPosition(event) {
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if (event.touches) {
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return {x: event.touches[0].clientX, y: event.touches[0].clientY};
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} else {
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return {x: event.clientX, y: event.clientY};
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}
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}
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el_window.setAttribute("data-centered", "");
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tools.setOnClick(el_window, () => __raiseWindow(el_window));
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el_grab.onmousedown = startMoving;
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el_grab.ontouchstart = startMoving;
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};
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var __raiseLastWindow = function() {
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var last_el_window = null;
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var max_z_index = 0;
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__windows.forEach(function(el_window) {
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var z_index = parseInt(window.getComputedStyle(el_window, null).zIndex) || 0;
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if (max_z_index < z_index && window.getComputedStyle(el_window, null).visibility !== "hidden") {
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last_el_window = el_window;
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max_z_index = z_index;
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}
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});
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__raiseWindow(last_el_window);
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};
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var __raiseWindow = function(el_window) {
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var el_to_focus = (el_window.className === "modal" ? el_window.querySelector(".modal-window") : el_window);
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if (document.activeElement !== el_to_focus) {
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el_to_focus.focus();
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tools.debug("Focused window:", el_window);
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if (el_window.className !== "modal" && parseInt(el_window.style.zIndex) !== __top_z_index) {
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var z_index = __top_z_index + 1;
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el_window.style.zIndex = z_index;
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__top_z_index = z_index;
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tools.debug("Raised window:", el_window);
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}
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}
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};
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__init__();
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}
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