380 lines
9.1 KiB
JavaScript
380 lines
9.1 KiB
JavaScript
/*
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* LADD Roller Derby Scoreboard
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* Copyright © 2011 Neale Pickett <neale@woozle.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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var TIMEOUT = 0;
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var JAM = 1;
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var ROTATE = 2;
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var state = TIMEOUT;
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function pad(i) {
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if (i < 10) {
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return "0" + i;
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} else {
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return i;
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}
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}
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// Start a timer on [element] for [duration] milliseconds.
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function startTimer(element, precision, duration, callback) {
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var beginning;
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var itimer;
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var precmult = 1;
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var classname;
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var display = function () {
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var remain = element.remaining();
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var min = Math.floor(Math.abs(remain / 60000));
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var sec = Math.abs(remain / 1000) % 60;
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/* Scale sec to precision, since toFixed only rounds */
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sec = Math.floor(sec * precmult) / precmult;
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if (itimer) {
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element.className = classname;
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} else {
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element.className = classname + " paused";
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}
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if (! classname) {
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if (! duration) {
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element.className = "ascending";
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} else if (remain <= 20000) {
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element.className = "lowtime";
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}
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}
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element.innerHTML = "";
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if ((duration > 0) && (remain <= 0)) {
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// Timer has run out
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duration = 0;
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element.stop();
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element.innerHTML = "0:0" + (0).toFixed(precision);
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if (callback) callback();
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return;
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}
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element.innerHTML += min + ":" + pad(sec.toFixed(precision));
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}
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// Is element timer running?
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element.running = function () {
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return !!itimer;
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}
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// Is element a countdown timer?
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element.descending = function () {
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return !!duration;
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}
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element.d = function() {
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return [beginning, duration];
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}
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// Return time on clock
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element.remaining = function () {
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if (element.running()) {
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return beginning + duration - (new Date()).getTime();
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} else {
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return duration;
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}
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}
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// Stop (clear timer)
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element.stop = function () {
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if (itimer) {
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clearInterval(itimer);
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itimer = undefined;
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}
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}
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// Start
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element.start = function () {
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beginning = (new Date()).getTime();
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if (itimer) {
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return;
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}
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itimer = setInterval(display, 100);
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display();
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}
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// Unpause if paused
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element.go = function () {
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if (itimer) return;
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element.start();
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}
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// Pause if unpaused
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element.pause = function () {
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if (! itimer) return;
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element.stop();
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duration -= (new Date()).getTime() - beginning;
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display();
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}
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// Restart with a new time
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element.reset = function (t, cn) {
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classname = cn;
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if (cn) {
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element.className = cn;
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}
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duration = t;
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display(duration);
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}
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// Setup
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for (var i = 0; i < precision; i += 1) {
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precmult *= 10;
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}
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if (precision == undefined) {
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precision = 1;
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}
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display();
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}
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// Transition state machine based on state
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function transition() {
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var jt = document.getElementById("jam");
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var pt = document.getElementById("period");
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var ptext = document.getElementById("periodtext");
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var jtext = document.getElementById("jamtext");
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if (state == JAM) {
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pt.go();
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jt.reset(120000);
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jt.start();
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jtext.innerHTML = "Jam";
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} else if (state == ROTATE) {
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pt.go();
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jt.reset(30000, "rotate");
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jt.start();
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jtext.innerHTML = "Rotation";
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} else if (state == TIMEOUT) {
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pt.pause();
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if (pt.remaining() <= 0) {
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pt.reset(1800000);
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}
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jt.reset(0);
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jt.start();
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jtext.innerHTML = "Timeout";
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}
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ptext.innerHTML = "Period " + period;
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}
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function save() {
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localStorage.rdsb_name_a = e("name-a").innerHTML;
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localStorage.rdsb_name_b = e("name-b").innerHTML;
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localStorage.rdsb_logo_a = e("logo-a").src;
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localStorage.rdsb_logo_b = e("logo-b").src;
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localStorage.rdsb_score_a = e("score-a").innerHTML;
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localStorage.rdsb_score_b = e("score-b").innerHTML;
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localStorage.rdsb_period = period;
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localStorage.rdsb_period_clock = e("period").remaining();
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}
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function e(id) {
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return document.getElementById(id);
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}
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function score(team, points) {
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var te = document.getElementById("score-" + team);
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var ts = Number(te.innerHTML);
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ts += points;
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te.innerHTML = ts;
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}
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function teamname(t, v) {
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if (! v) return;
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var name = e("name-" + t);
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var logo = e("logo-" + t);
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if (logo.plastic) {
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logo.src = v.toLowerCase() + ".png";
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logo.plastic = false;
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}
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e("name-" + t).innerHTML = v;
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}
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function handle(event) {
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var e = event.target;
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var team = e.id.substr(e.id.length - 1);
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if (state == TIMEOUT) {
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// During startup, everything is editable
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switch (e.id) {
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case "name-a":
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case "name-b":
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teamname(team, prompt("Enter team " + team + " name", e.innerHTML));
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break;
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case "logo-a":
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case "logo-b":
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var u = prompt("Enter URL to team " + team + " logo", e.src);
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if (! u) return;
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e.src = u;
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e.plastic = false;
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break;
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case "score-a":
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case "score-b":
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var s = prompt("Enter team " + team + " score", e.innerHTML);
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if (! s) return;
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e.innerHTML = s;
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break;
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case "period":
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var r = prompt("Enter new time for period clock", e.innerHTML);
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if (! r) return;
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var t = r.split(":");
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var sec = 0;
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if (t.length > 3) {
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e.innerHTML = "What?";
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return;
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}
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for (var i in t) {
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var v = t[i];
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sec = (sec * 60) + Number(v);
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}
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e.reset(sec*1000);
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break;
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case "periodtext":
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period = 3 - period;
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e.innerHTML = "Period " + period;
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break;
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case "jam":
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state = JAM;
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transition();
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break;
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}
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} else {
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switch (e.id) {
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case "period":
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state = TIMEOUT;
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break;
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case "jam":
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if (state == JAM) {
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state = ROTATE;
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} else {
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state = JAM;
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}
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break;
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case "name-a":
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case "logo-a":
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case "name-b":
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case "logo-b":
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score(team, -1);
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break;
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case "score-a":
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case "score-b":
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score(team, 1);
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break;
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}
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transition();
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}
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}
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function imgfail(team) {
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var logo = e("logo-" + team);
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var url = e("name-" + team).innerHTML.toLowerCase() + ".png";
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if (logo.plastic && (logo.src != url)) {
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logo.src = url;
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} else {
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logo.src = "skate.png";
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logo.plastic = true;
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}
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}
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function key(e) {
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var s;
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switch (String.fromCharCode(e.which || 0)) {
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case " ":
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if (state == JAM) {
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s = ROTATE;
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} else {
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s = JAM;
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}
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break;
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case "j":
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s = JAM;
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break;
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case "r":
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case "l": // WFTDA TV uses this
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s = ROTATE;
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break;
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case "t":
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s = TIMEOUT;
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break;
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case "a":
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case ",":
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score('a', 1);
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break;
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case "b":
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case ".":
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score('b', 1);
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break;
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case "A":
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case "<":
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score('a', -1);
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break;
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case "B":
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case ">":
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score('b', -1);
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break;
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}
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if ((s != undefined) && (s != state)) {
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state = s;
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transition();
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}
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}
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function start() {
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var p = document.getElementById("period");
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var j = document.getElementById("jam");
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teamname("a", localStorage.rdsb_name_a || "Home");
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teamname("b", localStorage.rdsb_name_b || "Visitor");
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e("logo-a").src = localStorage.rdsb_logo_a || "skate.png";
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e("logo-b").src = localStorage.rdsb_logo_b || "skate.png";
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e("score-a").innerHTML = localStorage.rdsb_score_a || 0;
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e("score-b").innerHTML = localStorage.rdsb_score_b || 0;
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period = localStorage.rdsb_period || 1;
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e("periodtext").innerHTML = "Period " + period;
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c = Number(localStorage.rdsb_period_clock || 1800000);
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startTimer(p, 0, c);
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startTimer(j, 1, 120000);
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save_itimer = setInterval(save, 1000);
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}
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window.onload = start;
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