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Merger.js
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/*
* Merger UI V0.5
* Copyright 2016-2018 [email protected]
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this
* software and associated documentation files (the "Software"), to deal in the Software
* without restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be included in all copies
* or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
var merger = new function () {
//=== Merger System Configuration
//=============================================================================================
var core, // Core object (initialized below)
sys = { // Configuration
_type: "system",
icon: "data:image/gif;base64,R0lGODlhIAAgAOMAAP///zOZ/47N8FxqpgAAAMzM/7+/v9nu+QBjpAA9hP///////////////////////yH5BAEKAA8ALAAAAAAgACAAAATq8MlJH7k16y3JEQXGjZVXBGBIkKQpoEIqsuVRxHAsr3Rn6zndjuYCCo8F1ahoPCJDG2bTKbTxKNIpVWAbXH03atDZ9ZYKh49zXC0M3l/LKZA+Bthc99uMnd/rLzhBZXtxBH53dGpAKISFZ4mJCIpHjo99kQGTiWmdbgkJe3AGmJKZdwUPem+ghQavHX6bpyABoqyhBK+wh3ezpwGrtwMJurtymsCRwsPGpHK/ysyizhME0dLDo7DWBMqZ017HFQYX36jN4xrl3tnU6hzswMLVPfLLrtw9EvfB28/7KMhzUy9gBnYFDa6DtyECADs=",
ver: "0.5",
internal: {
window: {
frame: {
left: 5,
right: 5,
top: 25,
bottom: 5,
}
}
},
color: {
frame: "teal", //"orange"
client: "white",
framecontrast: "white",
text: "black",
windowtitle: "black",
selection: "lightskyblue",
},
icons: {},
};
// Pre-calculate system values
sys.internal.window.frame.xdelta = sys.internal.window.frame.left + sys.internal.window.frame.right;
sys.internal.window.frame.ydelta = sys.internal.window.frame.top + sys.internal.window.frame.bottom;
//=== Merger Core Framework
//=============================================================================================
/**
* Merge method the root of all merger framework
*/
if (!Object.prototype.merge)
Object.defineProperty(Object.prototype, "merge", {
writable: true,
value: function (src) {
if (!src)
return this;
for (var key in src)
this[key] = src[key];
return this;
}
});
/**
* Merger Core
*/
function MergerCore() {
var apps = {}, initialized = false, selectedApp, dsk, menu, menuToShow, menuCurrent, core = this;
/** Return desktop element */
function getDesktop() {
if (!dsk) {
dsk = core.mkTag("div");
dsk.setAttribute("id", "Merger::Desktop");
dsk.style.merge({
position: "absolute",
zIndex: 510,
top: 0,
left: 0,
width: "100%",
height: "100%",
fontFamily: "Verdana",
fontSize: "10px",
overflow: "hidden",
backgroundColor: "rgba(128,128,128,0.3)",
});
dsk.addEventListener("mousemove", function (e) {
if (DragNDrop.dragging())
DragNDrop.update(e.clientX, e.clientY);
});
dsk.addEventListener("click", function () {
if (menuCurrent) {
menuCurrent.close(true);
menuCurrent = undefined;
}
if (menuToShow) {
menuToShow.popup();
menuToShow = undefined;
}
});
dsk.addEventListener("mouseup", function () {
if (DragNDrop.dragging())
DragNDrop.drop();
})
}
return dsk;
}
/** Return menu element */
function getMenu() {
if (!menu) {
menu = core.mkTag("div");
menu.setAttribute("id", "Merger::Menu");
menu._zLayer = 10;
getDesktop().appendChild(menu);
menu.style.merge({
position: "absolute",
zIndex: 512,
top: 0,
left: 0,
width: "100%",
height: "21px",
padding: "0px 5px 0px 0px",
backgroundColor: "white",
borderBottom: "1px solid " + sys.color.frame,
boxSizing: "border-box",
});
menu.sysMenu = merger.ui.menuItem("sysMenu", {
icon: sys.icon,
style: {
float: "left",
padding: "2px 7px 2px 12px",
fontFamily: "Arial",
fontSize: "14px",
lineHeight: "16px",
backgroundColor: sys.color.frame,
color: "white",
},
onmouseenter: function () {
this.style.backgroundColor = "";
this.style.color = sys.color.windowtitle;
},
onmouseleave: function () {
this.style.backgroundColor = sys.color.frame;
this.style.color = sys.color.framecontrast;
},
parentControl: sys,
});
menu.client = core.mkTag("div");
menu.client.style.merge({
padding: "0 0 0 1px",
float: "left",
fontFamily: "Arial",
fontSize: "14px",
lineHeight: "16px",
});
menu.time = core.mkTag("div");
menu.time.style.merge({
float: "right",
fontFamily: "Arial",
fontSize: "14px",
lineHeight: "16px",
padding: "2px 4px 2px 4px",
});
menu.appendChild(menu.sysMenu);
menu.appendChild(menu.client);
menu.appendChild(menu.time);
menu.style.merge({
userSelect: "none",
})
/** Update clock */
function clockTick() {
var now = new Date(), h = now.getHours(), m = now.getMinutes();
if (h < 10)
h = "0" + h;
if (m < 10)
m = "0" + m;
menu.time.innerText = h + ":" + m;
}
clockTick();
setInterval(clockTick, 60000);
}
return menu;
}
/** Open desktop */
function enterDesktop() {
if (!selectedApp) {
switchApplication();
} else {
if (!insideDesktop() && selectedApp.onFocus)
selectedApp.onFocus();
}
document.body.appendChild(getDesktop());
}
/** Close desktop */
function leaveDesktop() {
if (insideDesktop())
document.body.removeChild(getDesktop());
}
/** Return true if the desktop is present */
function insideDesktop() {
return document.body.contains(getDesktop());
}
/** Create application */
function createApplication(id, def) {
if (apps[id])
throw new Error("Application '" + id + "' already exists");
var a = new MergerApplication(id), windows = def.windows, menu = def.menu, i;
apps[id] = a;
delete (def.windows);
delete (def.menu);
a.merge(def);
if (windows)
for (i = 0; i < windows.length; i++)
a.addWindow(windows[i]);
if (menu)
for (i = 0; i < menu.length; i++) {
var m = menu[i];
a.menu[m.getId()] = m;
m.application = m.parentControl = a;
m.style.display = "inline-block";
m._root = true;
}
if (a.appMenu)
for (i = 0; i < a.appMenu.length; i++) {
var m = a.appMenu[i];
m.application = m.parentControl = a;
}
if (a.onLoad)
a.onLoad();
return a;
}
/** List all registered applications */
function listApplications() {
var result = [], k;
for (k in apps)
result.push(k);
return result;
}
/** Return true if application id is registered */
function existsApplication(id) {
var k;
for (k in apps)
if (k == id)
return true;
return false;
}
/** Switch to application */
function switchApplication(a) {
var i, m, ax, menu = getMenu();
if (!a)
if (selectedApp && a == selectedApp)
a = selectedApp;
else
if (Object.keys(apps).length > 0)
a = apps[Object.keys(apps)[0]];
else return false;
if (typeof a === "string") {
a = apps[a]
if (!a)
return false;
}
if (selectedApp)
for (i in selectedApp.windows)
core.getDesktop().removeChild(selectedApp.windows[i]);
selectedApp = a;
if (a.onFocus)
a.onFocus();
menu.sysMenu.setIcon(a.icon ? a.icon : sys.icon);
menu.sysMenu.setText(a.title ? a.title : a.id);
menu.sysMenu.application = a;
menu.sysMenu.items = [];
menu.sysMenu.items.push(
m = merger.ui.menuItem("sys_about", {
icon: core.getHelpIcon(),
text: "About " + a.title,
enabled: a.onAbout,
onClick: function () {
if (a.onAbout)
a.onAbout();
}
})
);
m.parentControl = menu.sysMenu;
if (Object.keys(apps).length > 1) {
menu.sysMenu.items.push(m = menuSeparator("sys_applications_separator1"));
m.parentControl = menu.sysMenu;
for (i in apps) {
ax = apps[i];
menu.sysMenu.items.push(
m = merger.ui.menuItem("sys_app_" + i, {
icon: ax.icon ? ax.icon : sys.icon,
text: ax.title,
_app: ax,
onClick: function () {
switchApplication(this._app);
}
})
);
m.parentControl = menu.sysMenu;
}
}
menu.sysMenu.items.push(m = menuSeparator("sys_applications_separator2"));
// Application appMenu
if (a.appMenu && a.appMenu.length > 0) {
m.parentControl = menu.sysMenu;
for (i in a.appMenu) {
menu.sysMenu.items.push(m = a.appMenu[i]);
m.parentControl = menu.sysMenu;
}
}
if (a.allowDefaultClose)
menu.sysMenu.items.push(
m = merger.ui.menuItem("sys_closedesktop", {
icon: merger.media.closeIcon(),
text: "Close",
_app: ax,
onClick: function () {
merger.leave();
}
})
);
// Application menu
while (menu.client.lastChild)
menu.client.removeChild(menu.client.lastChild);
for (i in a.menu)
menu.client.appendChild(a.menu[i]);
for (i in a.windows) {
core.getDesktop().appendChild(a.windows[i]);
a.windows[i].setVisible(a.windows[i].getVisible());
}
}
/** get focused application */
function getSelectedAppId() {
return selectedApp ? selectedApp.getId() : undefined;
}
/** Focus application */
function focusApplication(app) {
enterDesktop();
return switchApplication(app);
}
/** Show menu */
function showMenu(menu) {
menuToShow = menu;
}
/** Set menu as current one */
function setCurrentMenu(menu) {
menuCurrent = menu;
}
/** Check if menu is marked as current */
function menu_isCurrent(menu) {
return menuCurrent == menu;
}
this.merge({
enterDesktop: enterDesktop,
getDesktop: getDesktop,
leaveDesktop: leaveDesktop,
app: {
create: createApplication,
list: listApplications,
exists: existsApplication,
switch: switchApplication,
focus: focusApplication,
getFocused: getSelectedAppId,
},
menu: {
showMenu: showMenu,
setCurrent: setCurrentMenu,
isCurrent: menu_isCurrent,
}
})
}
/**
* Tool for creating tags
*/
MergerCore.prototype.mkTag = function (tag) {
return document.createElement(tag);
}
/**
* Tool to merge control definition preserving style
*/
MergerCore.prototype.mkDefinition = function (a, b) {
if (!b)
return a;
if (a.style)
b.style = a.style.merge(b.style);
return a.merge(b);
}
/**
* Create a standard SVG icon
*/
MergerCore.prototype.mkIcon = function (color, text) {
var svg = "<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 128 128' version='1.1'><circle cx='64' cy='64' r='62' id='c' style='fill:" + color + ";fill-opacity:1' /><text text-anchor='middle' alignment-baseline='alphabetic' style='font-weight:bold;font-size:90px;font-family:sans-serif;fill:#ffffff;stroke:none;' x='64' y='95'>" + text + "</text></svg>";
function b64EncodeUnicode(str) {
return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, function (match, p1) {
return String.fromCharCode('0x' + p1);
}));
}
return "data:image/svg+xml;base64," + b64EncodeUnicode(svg);
}
/**
* Return current configured help icon
*/
MergerCore.prototype.getHelpIcon = function () {
return sys.icons.help ? sys.icons.help : this.mkIcon(sys.color.frame, '?');
}
/**
* Return current configured close icon
*/
MergerCore.prototype.getCloseIcon = function () {
return sys.icons.help ? sys.icons.help : this.mkIcon(sys.color.frame, 'X');
}
core = new MergerCore();
//=== Merger Application Framework
//=============================================================================================
/** Merger application base definition */
function MergerApplication(id, def) {
this.merge({
_type: "app",
icon: sys.icon,
allowDefaultClose: true,
getId: function () {
return id;
},
title: id,
windows: {},
menu: {},
});
}
/** Show application */
MergerApplication.prototype.show = function () {
core.enterDesktop();
core.app.focus(this.getId());
}
/** Add window to application */
MergerApplication.prototype.addWindow = function (win) {
this.windows[win.getId()] = win;
win.application = win.parentControl = this;
win.setAttribute("id", this.getId() + "::" + win.getId());
if (core.app.getFocused(this.getId()))
core.getDesktop().appendChild(win);
}
/** Advanced application window creation */
MergerApplication.prototype.getOrCreateWindow = function (id, creator) {
var win;
win = this.windows[id];
if (!win) {
win = window(id, creator());
this.addWindow(win);
}
return win;
}
/** Remove window from application */
MergerApplication.prototype.removeWindow = function (win) {
if (!this.windows[win.getId()])
return;
win.hide();
delete this.windows[win.getId()];
core.getDesktop().removeChild(win);
}
/** Count windows on application */
MergerApplication.prototype.listWindows = function () {
var k, r = [];
for (k in this.windows)
r.push(k);
return r;
}
/** Return the currently focused window on application */
MergerApplication.prototype.getFocusedWindow = function () {
var k, w, s, l;
for (k in this.windows) {
w = this.windows[k];
if (w.getVisible() && (!s || Number(w.style.zIndex) > l)) {
s = w;
l = Number(w.style.zIndex);
}
}
return s;
}
//=== Tools
//=============================================================================================
/**
* Tool for trigger creation
* USE: insist(<controller>)
*
* controller.when: function to check triggering.
* The first time the when returns true the "do"" method will be executed
* controller.do: function with logic to execute when "when" method returns true
* controller.each: (optional) integer with milliseconds to wait between checks.
* If not set, a continious check will be done. WARNING: this can consume a lot of CPU.
*/
function insist(ctrl) {
var controller = {
when: function () {
return true;
},
execute: function () {
},
each: 20
}.merge(ctrl);
controller.check = function () {
if (!this.when())
setTimeout(this.check.bind(this), this.each);
else
this.execute();
}
controller.check();
}
/**
* Generates a random id
*/
function randId(prefix) {
var id = Number(Math.round(Math.random() * 0xFFFFF)).toString(16);
while (id.length < 5)
id = '0' + id;
return prefix + "_" + id;
}
/**
* Drag'N'Drop system
*/
var DragNDrop = new (function () {
var item, point, onupd;
this.merge({
drag: function (i, x, y, onUpdate) {
if (item)
this.drop();
item = i;
point = { x: x, y: y };
onupd = onUpdate;
},
drop: function (ctl) {
if (!ctl || item == ctl) {
item = null;
onpud = null;
}
},
dragging: function () {
return item ? true : false;
},
update: function (x, y) {
if (onupd)
onupd(x - point.x, y - point.y, x, y, point.x, point.y);
else
item.merge({
top: y - point.y,
left: x - point.x,
})
}
});
})();
//=== Control Tool Kit (MTK)
//=============================================================================================
/**
* Base control creation
*/
function control(type, id, def, c) {
if (!c)
c = core.mkTag("div");
// Private section
function getMeta() {
if (!c._meta)
c._meta = {};
return c._meta;
}
function updateLayout(dw, dh) {
if (getMeta()._layoutSuspended || (!dw && !dh))
return;
var i, atop, aright, abottom, aleft;
for (i in c.content) {
var child = c.content[i];
var anchor = child.anchor || "TL";
atop = anchor.indexOf("T") >= 0;
aright = anchor.indexOf("R") >= 0;
abottom = anchor.indexOf("B") >= 0;
aleft = anchor.indexOf("L") >= 0;
if (dw) {
if (!aleft && aright)
child.setLeft(child._left + dw);
else if (aleft && aright)
child.setWidth(child._width + dw);
else if (!aleft && !aright)
child.setLeft(child._left + dw / 2);
}
if (dh) {
if (!atop && abottom)
child.setTop(child._top + dh);
else if (atop && abottom)
child.setHeight(child._height + dh);
else if (!atop && !abottom)
child.setTop(child._top + dh / 2);
}
}
}
// Public section
c.setAttribute("merger_type", type);
c.setAttribute("id", id);
c.setAttribute("name", id);
c._type = type;
c.content = {};
c.getId = function () {
return id;
}
c.setTop = function (val) {
this.top = val;
this._top = val;
this.style.top = val + "px";
}
c.setLeft = function (val) {
this.left = val;
this._left = val;
this.style.left = val + "px";
}
c.setWidth = function (val) {
updateLayout(val - this.width, 0);
this.width = val;
this._width = val;
this.style.width = val + "px";
}
c.setHeight = function (val) {
updateLayout(0, val - this.height);
this.height = val;
this._height = val;
this.style.height = val + "px";
}
c.setVisible = function (val) {
this.style.display = val ? "" : "none";
if (val && this.onShow)
this.onShow();
if (val && this.onHide)
this.onHide();
if (this.onVisibilityChanged)
this.onVisibilityChanged();
}
c.getVisible = function () {
return this.style.display != "none";
}
c.show = function () {
this.setVisible(true);
}
c.hide = function () {
this.setVisible(false);
}
c.append = function (control) {
this.appendChild(control);
this.content[control.getId()] = control;
control.parentControl = this;
}
c.setContent = function (ctt) {
for (var i = 0; i < ctt.length; i++)
this.append(ctt[i]);
}
c.setStyle = function (style) {
this.style.merge(style);
}
c.getWindow = function () {
var win = this;
while (win && win._type != "window")
win = win.parentControl;
return win;
}
c.getApplication = c.getApp = function () {
if (this.application)
return this.application;
var w = this.getWindow(), a = this;
if (w)
return w.application;
while (a && a._type != "app")
a = a.parentControl;
return a;
}
c.setAutoSize = function (autoSize) {
this.autoSize = autoSize;
}
c.getPreferedSize = function (e) {
if (this.autoSize) {
if (e._sizecache && e._sizecache[id])
return e._sizecache[id];
var i, c, sz = { width: 0, height: 0 }, cps;
for (i in this.content) {
c = this.content[i];
cps = c.getPreferedSize();
if (c.x + cps.width > sz.width)
sz.width = c.x + cps.width;
if (c.y + cps.height > sz.height)
sz.height = c.y + cps.height;
}
if (!e._sizecache)
e._sizecache = {};
if (!e._sizecache[id])
e._sizecache[id] = sz;
return sz;
} else
return { width: this.width, height: this.height };
}
c.getBounds = function (e) {
var d = typeof this.dock === "string" && this.dock.length > 0 ? this.dock[0].toLowerCase() : "", bounds = {}, ps;
if (d === "c")
return bounds;
ps = this.getPreferedSize();
if (d === "l" || d === "r" || !d) {
bounds.left = this.x;
bounds.width = ps.width;
bounds.right = this.x + ps.width;
}
if (d === "t" || d === "b" || !d) {
bounds.top = this.y;
bounds.height = ps.height;
bounds.bottom = this.y + ps.height;
}
return bounds;
}
c.fitToContent = function () {
// take in mind anchor calculations
}
c.suspendLayout = function () {
getMeta()._layoutSuspended = true;
}
c.resumeLayout = function () {
getMeta()._layoutSuspended = false;
}
c.measure = function (e) {
var w, h, b;
if (e.mandatory) {
w = e.mandatory.width;
h = e.mandatory.height;
}
if (!w || !h) {
/* b=this.getBounds();
if (!w && b)
w = b.width;
if (!h && s)
h = b.height;
*/ }
this.merge({ width: w, height: h });
}
c.merge = function (def) {
var settings = {}, obj, key, mdata;
for (key in def) {
mdata = def[key];
if (typeof mdata == "function") {
if (this[key])
def[key].super = this[key].bind(this);
this[key] = def[key];
} else {
var fname = "set" + key[0].toUpperCase() + key.substring(1);
var fnc = this[fname];
settings[key] = {
f: (fnc && typeof fnc == "function") ? fnc.bind(this) : null, d: mdata
};
}
}
for (key in settings) {
var o = settings[key];
if (o.f)
o.f(o.d);
else
this[key] = o.d;
}
}
c.suspendLayout();
c.merge(core.mkDefinition({
style: {
position: "absolute",
userSelect: "none",
outline: "0",
},
anchor: "TL",
bringToFront: function () {
var p, els, i, l;
p = this.parentNode;
if (!p)
return;
els = [].slice.apply(p.children, [0]);
els.sort(function (a, b) {
if (a == this)
return 1;
if (b == this)
return -1;
return Number(a.style.zIndex) - Number(b.style.zIndex);
}.bind(this))
for (i in els) {
l = els[i]._zLayer || 0;
els[i].style.zIndex = Number(i) + 1 + (l * 100000);
}
}
}, def));
if (c.onControlCreate)
c.onControlCreate();
c.resumeLayout();
return c;
}
/**
* Menu Item control creation
*/
function menuItem(id, def) {
var client, dirty = true, icon, openMark, textElement, m = control("menu", id, core.mkDefinition({
style: {
position: "",
padding: "2px 9px 2px 9px",
color: sys.color.windowtitle,
},
setText: function (text) {
if (!textElement)
this.appendChild(textElement = document.createTextNode(text));
else textElement.textContent = text;
},
setIcon: function (src) {
if (src) {
if (!icon) {
this.appendChild(icon = core.mkTag("img"));
icon.style.merge({
width: "16px",
height: "16px",
float: "left",
padding: "0 5px 0 0",
filter: "drop-shadow(rgb(255, 255, 255) 0px 0px 1px)",
});
} else
icon.style.display = "";
icon.src = src;
} else if (icon) icon.style.display = "none";
},
showMoreMark: function () {
if (!openMark) {
this.appendChild(openMark = core.mkTag("div"));
openMark.style.merge({
float: "right",
padding: "0 0 0 5px",
});
openMark.appendChild(document.createTextNode("\u25B6"));
} else openMark.style.display = "";
},
hideMoreMark: function () {
if (openMark)
openMark.style.display = "none";
},
popup: function () {
if (this.parentControl._type == "menu")
this.parentControl.popup();
if (client && client._visible)
return;
if (!client) {
client = control("menuClient", id + "_client", {
style: {
background: sys.color.client,
border: "1px solid " + sys.color.frame,
fontFamily: "Arial",
fontSize: "14px",
zIndex: 9999,
},
_zLayer: 9,
});
core.getDesktop().appendChild(client);
}
var bounds = this.getBoundingClientRect();
if (this.parentControl._type == "menu")
client.merge({
top: bounds.top,
left: bounds.left + bounds.width,
});
else
client.merge({
top: bounds.top + bounds.height,
left: bounds.left,
});
while (client.lastChild)
client.removeChild(client.lastChild);
for (i in this.items) {
var m = this.items[i];
m.application = this.application;
m.parentControl = this;
if (m.items)
m.showMoreMark();
client.appendChild(m);
}
core.menu.setCurrent(this);
client.show();
},
close: function (all) {
if (client)
client.hide();
if (core.menu.isCurrent(this))
core.menu.setCurrent(null);
if (all && this.parentControl._type == "menu")
this.parentControl.close(all);
},
onmouseenter: function () {
this.style.backgroundColor = sys.color.frame;
this.style.color = sys.color.framecontrast;
},
onmouseleave: function () {
this.style.backgroundColor = "";
this.style.color = sys.color.windowtitle;
},
onclick: function () {
if (this.items)
core.menu.showMenu(this);
else if (this.onClick)
this.onClick.apply(this, arguments);
}
}, def));
return m;
}
/**
* Menu separator control creation
*/
function menuSeparator(id, def) {
var line, m = menuItem(id, {
setText: undefined,
setIcon: undefined,
showMoreMark: undefined,
onmouseenter: undefined,
onmouseleave: undefined,
onclick: function () {
core.menu.showMenu(this);
},
onControlCreate: function () {
this.appendChild(line = document.createElement("div"));
line.style.merge({
width: "100%",
height: "1px",
background: sys.color.frame,
});
},
})
return m;
}
/**
* Window control creation
*/
function window(id, def) {
if (typeof (def) != "object")
def = {};
if (def.height == undefined)
def.height = 300;
if (def.width == undefined)
def.width = 450;
if (def.top == undefined)
def.top = document.body ? (document.body.clientHeight - def.height) / 2 : undefined;
if (def.left == undefined)
def.left = document.body ? (document.body.clientWidth - def.width) / 2 : undefined;
if (!def.content)
def.content = [];
var w, dw = def.width, dh = def.height, ft;
delete (def.width);
delete (def.height);
if (dw == undefined)
dw = 300;
if (dh == undefined)