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livetrax/share/web_surfaces/builtin/mixer/toolkit/widgets/clock.js
2020-07-21 06:49:27 +02:00

383 lines
16 KiB
JavaScript

/*
* This file is part of Toolkit.
*
* Toolkit is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Toolkit is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General
* Public License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
"use strict";
(function(w, TK){
var format_viewbox = TK.FORMAT("0 0 %d %d");
function draw_time(force) {
var tmp, drawn;
var O = this.options;
var t = O.time;
if ((tmp = t.getSeconds()) !== this.__sec || force) {
this.circulars.seconds.set("value", tmp);
this.__sec = tmp;
}
if ((tmp = t.getMinutes()) !== this.__min || force) {
this.circulars.minutes.set("value", tmp);
this.__min = tmp;
}
if ((tmp = t.getHours() % 12) !== this.__hour || force) {
this.circulars.hours.set("value", tmp);
this.__hour = tmp;
}
var args = [t,
t.getFullYear(),
t.getMonth(),
t.getDate(),
t.getDay(),
t.getHours(),
t.getMinutes(),
t.getSeconds(),
t.getMilliseconds(),
Math.round(t.getMilliseconds() / (1000 / O.fps)),
O.months,
O.days];
if ((tmp = O.label.apply(this, args)) !== this.__label || force) {
TK.set_text(this._label, tmp);
this.__label = tmp;
drawn = true;
}
if ((tmp = O.label_upper.apply(this, args)) !== this.__upper || force) {
TK.set_text(this._label_upper, tmp);
this.__upper = tmp;
drawn = true;
}
if ((tmp = O.label_lower.apply(this, args)) !== this.__lower || force) {
TK.set_text(this._label_lower, tmp);
this.__lower = tmp;
drawn = true;
}
if (drawn)
/**
* Is fired when the time was drawn.
*
* @param {Date} time - The time which was drawn.
*
* @event TK.Clock#timedrawn
*/
this.fire_event("timedrawn", O.time);
}
function set_labels() {
var O = this.options;
var E = this._label;
var s = O.label(new Date(2000, 8, 30, 24, 59, 59, 999), 2000, 8,
30, 6, 24, 59, 59, 999, 999,
O.months, O.days);
TK.set_text(E, s);
E.setAttribute("transform", "");
/* FORCE_RELAYOUT */
TK.S.add(function() {
var bb = E.getBoundingClientRect();
if (bb.width === 0) return; // we are hidden
var mleft = parseInt(TK.get_style(E, "margin-left")) || 0;
var mright = parseInt(TK.get_style(E, "margin-right")) || 0;
var mtop = parseInt(TK.get_style(E, "margin-top")) || 0;
var mbottom = parseInt(TK.get_style(E, "margin-bottom")) || 0;
var space = O.size - mleft - mright - this._margin * 2;
var scale = space / bb.width;
var pos = O.size / 2;
TK.S.add(function() {
E.setAttribute("transform", "translate(" + pos + "," + pos + ") "
+ "scale(" + scale + ")");
/* FORCE_RELAYOUT */
TK.S.add(function() {
bb = E.getBoundingClientRect();
TK.S.add(function() {
this._label_upper.setAttribute("transform", "translate(" + pos + "," + (pos - bb.height / 2 - mtop) + ") "
+ "scale(" + (scale * O.label_scale) + ")");
this._label_lower.setAttribute("transform", "translate(" + pos + "," + (pos + bb.height / 2 + mtop) + ") "
+ "scale(" + (scale * O.label_scale) + ")");
draw_time.call(this, true);
}.bind(this), 1);
}.bind(this));
}.bind(this), 1);
}.bind(this));
}
function timeout() {
if (this.__to)
window.clearTimeout(this.__to);
var O = this.options;
if (!O) return;
if (O.timeout) {
var d = O.time;
var ts = +Date.now();
if (O.offset) {
ts += (O.offset|0);
}
d.setTime(ts);
this.set("time", d);
var targ = (O.timeout|0);
if (O.timeadd) {
targ += (O.timeadd|0) - ((ts % 1000)|0)
}
this.__to = window.setTimeout(this.__timeout, targ);
} else this.__to = false;
}
function onhide() {
if (this.__to) {
window.clearTimeout(this.__to);
this.__to = false;
}
}
TK.Clock = TK.class({
/**
* TK.Clock shows a customized clock with circulars displaying hours, minutes
* and seconds. It additionally offers three freely formatable labels.
*
* @class TK.Clock
*
* @extends TK.Widget
*
* @param {Object} [options={ }] - An object containing initial options.
*
* @property {Integer} [options.thickness=10] - Thickness of the rings in percent of the maximum dimension.
* @property {Integer} [options.margin=0] - Margin between the {@link TK.Circular} in percent of the maximum dimension.
* @property {Integer} [options.size=200] - Width and height of the widget.
* @property {Boolean} [options.show_seconds=true] - Show seconds ring.
* @property {Boolean} [options.show_minutes=true] - Show minutes ring.
* @property {Boolean} [options.show_hours=true] - Show hours ring.
* @property {Integer} [options.timeout=1000] - The timeout of the redraw trigger.
* @property {Integer} [options.timeadd=10] - Set additional milliseconds to add to the timeout target system clock regulary.
* @property {Integer} [options.offset=0] - If a timeout is set offset the system time in milliseconds.
* @property {Integer} [options.fps=25] - Framerate for calculating SMTP frames
* @property {Array<String>} [options.months=["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]] - Array containing all months names.
* @property {Array<String>} [options.days=["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]] - Array containing all days names.
* @property {Function} [options.label=function (_date, year, month, date, day, hour, minute, second, millisecond, frame, months, days) { return ((hour < 10) ? ("0" + hour) : hour) + ":" + ((minute < 10) ? ("0" + minute) : minute) + ":" + ((second < 10) ? ("0" + second) : second);] - Callback to format the main label.
* @property {Function} [options.label_upper=function (_date, year, month, date, day, hour, minute, second, millisecond, frame, months, days) { return days[day]; }] - Callback to format the upper label.
* @property {Function} [options.label_lower=function (_date, year, month, date, day, hour, minute, second, millisecond, frame, months, days) { return ((date < 10) ? ("0" + date) : date) + ". " + months[month] + " " + year; }] - Callback to format the lower label.
* @property {Number} [options.label_scale=0.33] - The scale of `label_upper` and `label_lower` compared to the main label.
* @property {Number|String|Date} [options.time] - Set a specific time and date. To avoid auto-udates, set `timeout` to 0.
* For more information about the value, please refer to <a href="https://www.w3schools.com/jsref/jsref_obj_date.asp">W3Schools</a>.
*/
_class: "Clock",
Extends: TK.Widget,
_options: Object.assign(Object.create(TK.Widget.prototype._options), {
thickness: "number",
margin: "number",
size: "number",
show_seconds: "boolean",
show_minutes: "boolean",
show_hours: "boolean",
timeout: "int",
timeadd: "int",
offset: "int",
fps: "number",
months: "array",
days: "array",
label: "function",
label_upper: "function",
label_lower: "function",
label_scale: "number",
time: "object|string|number",
}),
options: {
thickness: 10, // thickness of the rings
margin: 0, // margin between the circulars
size: 200, // diameter of the whole clock
show_seconds: true, // show the seconds ring
show_minutes: true, // show the minutes ring
show_hours: true, // show the hours ring
timeout: 1000, // set a timeout to update the clock with the
// system clock regulary
timeadd: 10, // set additional milliseconds for the
// timeout target
// system clock regulary
offset: 0, // if a timeout is set offset the system time
// in milliseconds
fps: 25, // framerate for calculatind SMTP frames
months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
label: function (_date, year, month, date, day, hour, minute, second, millisecond, frame, months, days) {
return ((hour < 10) ? ("0" + hour) : hour) + ":" +
((minute < 10) ? ("0" + minute) : minute) + ":" +
((second < 10) ? ("0" + second) : second);
},
label_upper: function (_date, year, month, date, day, hour, minute, second, millisecond, frame, months, days) {
return days[day];
},
label_lower: function (_date, year, month, date, day, hour, minute, second, millisecond, frame, months, days) {
return ((date < 10) ? ("0" + date) : date) + ". " + months[month] + " " + year;
},
label_scale: 0.33 // the scale of the upper and lower labels
// compared to the main label
},
static_events: {
hide: onhide,
show: timeout,
timeout: timeout,
},
initialize: function (options) {
var E, S;
/**
* @member {Object} TK.Clock#circulars - An object holding all three TK.Circular as members <code>seconds</code>, <code>minutes</code> and <code>hours</code>.
*/
this.circulars = {};
this._margin = -1;
TK.Widget.prototype.initialize.call(this, options);
this.set("time", this.options.time);
/**
* @member {HTMLDivElement} TK.Clock#element - The main DIV element. Has class <code>toolkit-clock</code>
*/
if (!(E = this.element)) this.element = E = TK.element("div");
/**
* @member {SVGImage} TK.Clock#svg - The main SVG image.
*/
this.svg = S = TK.make_svg("svg");
this.widgetize(E, true, true, true);
TK.add_class(E, "toolkit-clock");
/**
* @member {SVGText} TK.Clock#_label - The center label showing the time. Has class<code>toolkit-label</code>
*/
this._label = TK.make_svg("text", {
"class": "toolkit-label",
"text-anchor": "middle",
"style": "dominant-baseline: central;"
});
/**
* @member {SVGText} TK.Clock#_label_upper - The upper label showing the day. Has class<code>toolkit-label-upper</code>
*/
this._label_upper = TK.make_svg("text", {
"class": "toolkit-label-upper",
"text-anchor": "middle",
"style": "dominant-baseline: central;"
});
/** @member {SVGText} TK.Clock#_label_lower - The lower label showing the date. Has class<code>toolkit-label-lower</code>
*/
this._label_lower = TK.make_svg("text", {
"class": "toolkit-label-lower",
"text-anchor": "middle",
"style": "dominant-baseline: central;"
});
S.appendChild(this._label);
S.appendChild(this._label_upper);
S.appendChild(this._label_lower);
E.appendChild(S);
var circ_options = {
container: S,
show_hand: false,
start: 270,
angle: 360,
min: 0
};
/**
* @member {Object} TK.Clock#circulars - An object containing the {@link TK.Circular}
* widgets. Members are `seconds`, `minutes` and `hours`.
*/
this.circulars.seconds = new TK.Circular(Object.assign({}, circ_options,
{max: 60, "class": "toolkit-seconds"}));
this.circulars.minutes = new TK.Circular(Object.assign({}, circ_options,
{max: 60, "class": "toolkit-minutes"}));
this.circulars.hours = new TK.Circular(Object.assign({}, circ_options,
{max: 12, "class": "toolkit-hours"}));
this.add_child(this.circulars.seconds);
this.add_child(this.circulars.minutes);
this.add_child(this.circulars.hours);
// start the clock
this.__timeout = timeout.bind(this);
},
redraw: function () {
var I = this.invalid, O = this.options;
TK.Widget.prototype.redraw.call(this);
if (I.size) {
this.svg.setAttribute("viewBox", format_viewbox(O.size, O.size));
}
if (I.validate("show_hours", "show_minutes", "show_seconds", "thickness", "margin") || I.size) {
var margin = 0;
for (var i in this.circulars) {
var circ = this.circulars[i];
if (O["show_" + i]) {
circ.set("thickness", O.thickness);
circ.set("show_base", true);
circ.set("show_value", true);
circ.set("size", O.size);
circ.set("margin", margin);
margin += O.thickness;
margin += circ._get_stroke();
margin += O.margin;
} else {
circ.set("show_base", false);
circ.set("show_value", false);
}
}
if(this._margin < 0) {
this._margin = margin;
} else {
this._margin = margin;
}
// force set_labels
I.label = true;
}
if (I.validate("label", "months", "days", "size", "label_scale")) {
set_labels.call(this);
}
if (I.validate("time", "label", "label_upper", "label_lower", "label_scale")) {
draw_time.call(this, false);
}
},
destroy: function () {
this._label.remove();
this._label_upper.remove();
this._label_lower.remove();
this.circulars.seconds.destroy();
this.circulars.minutes.destroy();
this.circulars.hours.destroy();
if (this.__to)
window.clearTimeout(this.__to);
TK.Widget.prototype.destroy.call(this);
},
set: function (key, value) {
switch (key) {
case "time":
if (Object.prototype.toString.call(value) === '[object Date]')
break;
value = new Date(value);
break;
}
return TK.Widget.prototype.set.call(this, key, value);
},
});
})(this, this.TK);