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js-based windows centering

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Devaev Maxim
2018-07-31 21:57:20 +03:00
parent 89fca27520
commit 3a748859ff
3 changed files with 26 additions and 26 deletions
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42
kvmd/web/js/ui.js
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@@ -12,16 +12,13 @@ var ui = new function() {
Array.prototype.forEach.call(document.getElementsByClassName("window"), function(el_window) {
var el_grab = el_window.querySelector(".window-header .window-grab");
el_window.style.display = window.getComputedStyle(el_window, null).display;
el_window.style.zIndex = parseInt(window.getComputedStyle(el_window, null).zIndex);
__makeWindowMovable(el_grab, el_window);
__windows.push(el_window);
var el_button = el_window.querySelector(".window-header .window-button-close");
if (el_button) {
el_button.onclick = function() {
el_window.style.display = "none";
el_window.style.visibility = "hidden";
__raiseLastWindow();
};
}
@@ -56,35 +53,42 @@ var ui = new function() {
window.onmouseup = __globalMouseButtonHandler;
// window.oncontextmenu = __globalMouseButtonHandler;
__raiseWindow($("stream-window"));
ui.showWindow("stream-window");
};
this.showWindow = function(id) {
var el_window = $(id);
if (!__isWindowOnPage(el_window)) {
el_window.style.top = "50%";
el_window.style.left = "50%";
var view = __getViewGeometry();
var rect = el_window.getBoundingClientRect();
el_window.style.top = Math.max($("ctl").clientHeight, Math.round((view.bottom - rect.height) / 2)) + "px";
el_window.style.left = Math.round((view.right - rect.width) / 2) + "px";
}
el_window.style.display = "block";
el_window.style.visibility = "visible";
__raiseWindow(el_window);
};
var __isWindowOnPage = function(el_window) {
var view_top = $("ctl").clientHeight;
var view_bottom = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
var view_left = 0;
var view_right = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
var view = __getViewGeometry();
var rect = el_window.getBoundingClientRect();
return (
(rect.bottom - el_window.clientHeight / 1.5) <= view_bottom
&& rect.top >= view_top
&& (rect.left + el_window.clientWidth / 1.5) >= view_left
&& (rect.right - el_window.clientWidth / 1.5) <= view_right
(rect.bottom - el_window.clientHeight / 1.5) <= view.bottom
&& rect.top >= view.top
&& (rect.left + el_window.clientWidth / 1.5) >= view.left
&& (rect.right - el_window.clientWidth / 1.5) <= view.right
);
};
var __getViewGeometry = function() {
return {
top: $("ctl").clientHeight,
bottom: Math.max(document.documentElement.clientHeight, window.innerHeight || 0),
left: 0,
right: Math.max(document.documentElement.clientWidth, window.innerWidth || 0),
};
};
var __toggleMenu = function(el_a) {
var all_hidden = true;
@@ -178,8 +182,8 @@ var ui = new function() {
var last_el_window = null;
var max_z_index = 0;
__windows.forEach(function(el_window) {
z_index = parseInt(el_window.style.zIndex);
if (max_z_index < z_index && el_window.style.display !== "none") {
z_index = parseInt(window.getComputedStyle(el_window, null).zIndex);
if (max_z_index < z_index && window.getComputedStyle(el_window, null).visibility !== "hidden") {
last_el_window = el_window;
max_z_index = z_index;
}