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BangleApps/apps/timecal/timecal.app.js

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JavaScript
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//Clock renders date, time and pre,current,next week calender view
class TimeCalClock{
DATE_FONT_SIZE(){ return 20; }
TIME_FONT_SIZE(){ return 40; }
/**
* @param{Date} date optional the date (e.g. for testing)
* @param{Settings} settings optional settings to use e.g. for testing
*/
constructor(date, settings){
if (date)
this.date=date;
if (settings)
this._settings = settings;
else
this._settings = require("Storage").readJSON("timecal.settings.json", 1) || {};
const defaults = {
shwDate:1, //0:none, 1:locale, 2:month, 3:monthshort.year #week
wdStrt:0, //identical to getDay() 0->Su, 1->Mo, ... //Issue #1154: weekstart So/Mo, -1 for use today
tdyNumClr:3, //0:fg, 1:red=#E00, 2:green=#0E0, 3:blue=#00E
tdyMrkr:0, //0:none, 1:circle, 2:rectangle, 3:filled
tdyMrkClr:2, //1:red=#E00, 2:green=#0E0, 3:blue=#00E
tdyMrkPxl:3, //px
suClr:1, //0:fg, 1:red=#E00, 2:green=#0E0, 3:blue=#00E
//phColor:"#E00", //public holiday
calBrdr:false
};
for (const k in this._settings) if (!defaults.hasOwnProperty(k)) delete this._settings[k]; //remove invalid settings
for (const k in defaults) if(!this._settings.hasOwnProperty(k)) this._settings[k] = defaults[k]; //assign missing defaults
g.clear();
Bangle.setUI("clock");
Bangle.loadWidgets();
Bangle.drawWidgets();
this.centerX = Bangle.appRect.w/2;
this.nrgb = [g.theme.fg, "#E00", "#0E0", "#00E"]; //fg, r ,g , b
this.ABR_DAY=[];
if (require("locale") && require("locale").dow)
for (let d=0; d<=6; d++) {
var refDay=new Date();
refDay.setFullYear(1972);
refDay.setMonth(0);
refDay.setDate(2+d);
this.ABR_DAY.push(require("locale").dow(refDay));
}
else
this.ABR_DAY=["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
}
/**
* @returns {Object} current settings object
*/
settings(){
return this._settings;
}
/*
* Run forest run
**/
draw(){
this.drawTime();
if (this.TZOffset===undefined || this.TZOffset!==d.getTimezoneOffset())
this.drawDateAndCal();
}
/**
* draw given or current time from date
* overwatch timezone changes
* schedules itself to update
*/
drawTime(){
d=this.date ? this.date : new Date();
const Y=Bangle.appRect.y+this.DATE_FONT_SIZE()+10;
d=d?d :new Date();
g.setFontAlign(0, -1).setFont("Vector", this.TIME_FONT_SIZE()).setColor(g.theme.fg)
.clearRect(Bangle.appRect.x, Y, Bangle.appRect.x2, Y+this.TIME_FONT_SIZE()-7)
.drawString(("0" + require("locale").time(d, 1)).slice(-5), this.centerX, Y, true);
//.drawRect(Bangle.appRect.x, Y, Bangle.appRect.x2, Y+this.TIME_FONT_SIZE()-7); //DEV-Option
setTimeout(this.draw.bind(this), 60000-(d.getSeconds()*1000)-d.getMilliseconds());
}
/**
* draws given date and cal
* @param{Date} d provide date or uses today
*/
drawDateAndCal(){
d=this.date ? this.date : new Date();
this.TZOffset=d.getTimezoneOffset();
this.drawDate();
this.drawCal();
if (this.tOutD) //abort exisiting
clearTimeout(this.tOutD);
this.tOutD=setTimeout(this.drawDateAndCal.bind(this), 86400000-(d.getHours()*24*60*1000)-(d.getMinutes()*60*1000)-d.getSeconds()-d.getMilliseconds());
}
/**
* draws given date as defiend in settings
*/
drawDate(){
d=this.date ? this.date : new Date();
const FONT_SIZE=20;
const Y=Bangle.appRect.y;
var render=false;
var dateStr = "";
if (this.settings().shwDate>0) { //skip if exactly -none
const dateSttngs = ["","l","M","m.Y #W"];
for (let c of dateSttngs[this.settings().shwDate]) { //add part as configured
switch (c){
case "l":{ //locale
render=true;
dateStr+=require("locale").date(d,1);
break;
}
case "m":{ //month e.g. Jan.
render=true;
dateStr+=require("locale").month(d,1);
break;
}
case "M":{ //month e.g. January
render=true;
dateStr+=require("locale").month(d,0);
break;
}
case "y":{ //year e.g. 22
render=true;
dateStr+=d.getFullYear().slice(-2);
break;
}
case "Y":{ //year e.g. 2022
render=true;
dateStr+=d.getFullYear();
break;
}
case "w":{ //week e.g. #2
dateStr+=(this.ISO8601calWeek(d));
break;
}
case "W":{ //week e.g. #02
dateStr+=("0"+this.ISO8601calWeek(d)).slice(-2);
break;
}
default: //append c
dateStr+=c;
render=dateStr.length>0;
break; //noop
}
}
}
if (render){
g.setFont("Vector", FONT_SIZE).setColor(g.theme.fg).setFontAlign(0, -1).clearRect(Bangle.appRect.x, Y, Bangle.appRect.x2, Y+FONT_SIZE-3).drawString(dateStr,this.centerX,Y);
}
//g.drawRect(Bangle.appRect.x, Y, Bangle.appRect.x2, Y+FONT_SIZE-3); //DEV-Option
}
/**
* draws calender week view (-1,0,1) for given date
*/
drawCal(){
d=this.date ? this.date : new Date();
const DAY_NAME_FONT_SIZE=10;
const CAL_Y=Bangle.appRect.y+this.DATE_FONT_SIZE()+10+this.TIME_FONT_SIZE()+3;
const CAL_AREA_H=Bangle.appRect.h-CAL_Y+24; //+24: top widegtes only
const CELL_W=Bangle.appRect.w/7; //cell width
const CELL_H=(CAL_AREA_H-DAY_NAME_FONT_SIZE)/3; //cell heigth
const DAY_NUM_FONT_SIZE=Math.min(CELL_H-1,15); //size down, max 15
g.setFont("Vector", DAY_NAME_FONT_SIZE).setColor(g.theme.fg).setFontAlign(-1, -1).clearRect(Bangle.appRect.x, CAL_Y, Bangle.appRect.x2, CAL_Y+CAL_AREA_H);
//draw grid & Headline
const dNames = this.ABR_DAY.map((a) => a.length<=2 ? a : a.substr(0, 2)); //force shrt 2
for(var dNo=0; dNo<dNames.length; dNo++){
const dIdx=this.settings().wdStrt>=0 ? (dNo+this.settings().wdStrt)%7 : (dNo+d.getDay()+4)%7;
const dName=dNames[dIdx];
if(dNo>0)
g.drawLine(dNo*CELL_W, CAL_Y, dNo*CELL_W, CAL_Y+CAL_AREA_H-1);
if (dIdx==0) g.setColor(this.nrgb[this.settings().suClr]); //sunday maybe colorize txt
g.drawString(dName, dNo*CELL_W+(CELL_W-g.stringWidth(dName))/2+2, CAL_Y+1).setColor(g.theme.fg);
}
var nextY=CAL_Y+DAY_NAME_FONT_SIZE;
for(i=0; i<3; i++){
const y=nextY+i*CELL_H;
g.drawLine(Bangle.appRect.x, y, Bangle.appRect.x2, y);
}
g.setFont("Vector", DAY_NUM_FONT_SIZE);
//write days
const tdyDate=d.getDate();
const days=this.settings().wdStrt>=0 ? 7+((7+d.getDay()-this.settings().wdStrt)%7) : 10;//start day (week before=7 days + days in this week realtive to week start) or fixed 7+3 days
var rD=new Date(d.getTime());
rD.setDate(rD.getDate()-days);
var rDate=rD.getDate();
for(var y=0; y<3; y++){
for(var x=0; x<dNames.length; x++){
if(rDate===tdyDate){ //today
g.setColor(this.nrgb[this.settings().tdyMrkClr]); //today marker color or fg color
switch(this.settings().tdyMrkr){ //0:none, 1:circle, 2:rectangle, 3:filled
case 1:
for(m=1; m<=this.settings().tdyMrkPxl&&m<CELL_H-1&&m<CELL_W-1; m++)
g.drawCircle(x*CELL_W+(CELL_W/2)+1, nextY+(CELL_H*y)+(CELL_H/2)+1, Math.min((CELL_W-m)/2, (CELL_H-m)/2)-2);
break;
case 2:
for(m=1; m<=this.settings().tdyMrkPxl&&m<CELL_H-1&&m<CELL_W-1; m++)
g.drawRect(x*CELL_W+m, nextY+CELL_H+m, x*CELL_W+CELL_W-m, nextY+CELL_H+CELL_H-m);
break;
case 3:
g.fillRect(x*CELL_W+1, nextY+CELL_H+1, x*CELL_W+CELL_W-1, nextY+CELL_H+CELL_H-1);
break;
default:
break;
}
g.setColor(this.nrgb[this.settings().tdyNumClr]); //today color or fg color
}else if(this.settings().suClr && rD.getDay()==0){ //sundays
g.setColor(this.nrgb[this.settings().suClr]);
}else{ //default
g.setColor(g.theme.fg);
}
g.drawString(rDate, x*CELL_W+((CELL_W-g.stringWidth(rDate))/2)+2, nextY+((CELL_H-DAY_NUM_FONT_SIZE+2)/2)+(CELL_H*y));
rD.setDate(rDate+1);
rDate=rD.getDate();
}
}
if (this.settings().calBrdr) {
g.setColor(g.theme.fg).drawRect(Bangle.appRect.x, CAL_Y, Bangle.appRect.x2, CAL_Y+CAL_AREA_H-1);
}
}
/**
* calculates current ISO8601 week number e.g. 2
* @param{Date} date for the date
* @returns{Number}} e.g. 2
*/
ISO8601calWeek(date){ //copied from: https://gist.github.com/IamSilviu/5899269#gistcomment-3035480
var tdt = new Date(date.valueOf());
var dayn = (date.getDay() + 6) % 7;
tdt.setDate(tdt.getDate() - dayn + 3);
var firstThursday = tdt.valueOf();
tdt.setMonth(0, 1);
if (tdt.getDay() !== 4){
tdt.setMonth(0, 1 + ((4 - tdt.getDay()) + 7) % 7);
}
return Number(1 + Math.ceil((firstThursday - tdt) / 604800000));
}
}
timeCalClock = new TimeCalClock(); timeCalClock.draw();
//hook on settime to redraw immediatly
var _setTime = setTime;
var setTime = function(t) {
_setTime(t);
timeCalClock.draw(true);
};
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