474 lines
11 KiB
JavaScript
474 lines
11 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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/* You can only have one scoreboard per page. This limitation is mostly
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* because elements need specific id= attributes, and these attribumets
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* must be unique within a page.
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*
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* Corollary: don't change element ids without making a corresponding
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* change in this file.
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*/
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/* State names */
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var SETUP = 0; // !P 30:00 !J 2:00
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var JAM = 1; // P J 2:00
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var LINEUP = 2; // P J 1:00
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var TIMEOUT = 3; // !P J 1:00
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var periodtext = ["Period 1", "Halftime", "Period 2", "Break"];
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var period = 0;
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var state = SETUP;
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var timer_updates = [];
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function update() {
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for (i in timer_updates) {
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var u = timer_updates[i];
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u();
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}
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}
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// Create a timer on [element].
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// If [tenths] is true, show tenths of a second.
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// If [callback] is defined, call it when time runs out.
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function startTimer(element, tenths, callback) {
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var startTime;
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var running = false;
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var duration = 0;
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var className;
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// Re-calculate and update displayed time
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function refresh () {
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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.floor(Math.abs(remain / 100)) / 10) % 60;
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// Set classes
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element.className = className;
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if ((! className) && (remain <= 20000)) {
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element.className += " lowtime";
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}
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if (! running) {
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element.className += " paused";
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}
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// Has the timer run out?
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if ((duration > 0) && (remain <= 0)) {
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duration = 0;
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sec = 0;
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running = false;
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if (callback) {
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callback();
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}
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}
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// .toFixed() rounds, we want to truncate
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if (! tenths) {
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sec = Math.floor(sec);
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} else {
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sec = sec.toFixed(1);
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}
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// Zero-pad
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if (sec < 10) {
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sec = "0" + sec;
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}
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var t = min + ":" + sec;
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if (t != element.innerHTML) {
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element.innerHTML = t;
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}
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}
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// Return remaining time in milliseconds
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element.remaining = function() {
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if (running) {
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var now = (new Date()).getTime();
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return duration - (now - startTime);
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} else {
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return duration;
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}
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}
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// Set timer to [d] milliseconds.
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// Put element into class [cn], if set.
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element.set = function(t, cn) {
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startTime = (new Date()).getTime();
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duration = t;
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className = cn;
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refresh();
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}
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// Start timer
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element.start = function() {
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if (! running) {
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startTime = (new Date()).getTime();
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running = true;
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}
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refresh();
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}
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// Stop timer
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element.stop = function() {
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if (running) {
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duration = element.remaining();
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running = false;
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}
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refresh();
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}
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timer_updates.push(refresh);
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}
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// Transition state machine based on state
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function transition(newstate) {
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var jt = e("jam");
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var pt = e("period");
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var jtext = e("jamtext");
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if ((newstate == undefined) || (newstate == state)) {
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return;
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}
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if ((state == SETUP) && window.penalties) {
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penalties_duck();
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}
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state = newstate;
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if (state == JAM) {
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pt.start();
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jt.set(120000);
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jt.start();
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jtext.innerHTML = "Jam";
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} else if (state == LINEUP) {
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pt.start();
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jt.set(30000, "lineup");
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jt.start();
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jtext.innerHTML = "Lineup";
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} else if (state == TIMEOUT) {
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pt.stop();
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if (pt.remaining() <= 0) {
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pt.set(1800000);
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}
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jt.set(0, "timeout");
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jt.start();
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jtext.innerHTML = "Timeout";
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}
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// Reset lead jammer indicators
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e("jammer-a").className = "";
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e("jammer-b").className = "";
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}
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/***********************************
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* Notices
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*/
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var notice_timer;
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function notice_expire(n) {
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var p = document.getElementById("penalties");
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var pClassName = "";
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for (var i = 0; i < 10; i += 1) {
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var e = document.getElementById("notice-" + i);
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if (! e) continue;
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if (i == n) {
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e.className = "active";
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pClassName = "notice";
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} else {
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e.className = "";
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}
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}
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if (p) p.className = pClassName;
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}
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function notice(n) {
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clearTimeout(notice_timer);
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notice_timer = setTimeout(function() {notice_expire()}, 8000);
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notice_expire(n);
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}
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function e(id) {
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ret = document.getElementById(id);
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if (! ret) {
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return Array();
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}
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return ret;
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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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/***********************************
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* Event handlers
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*/
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var logo = {a:-1, b:-1};
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function handle(event) {
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var tgt = event.target || window.event.srcElement;
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var team = tgt.id.substr(tgt.id.length - 1);
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var adj = event.shiftKey?-1:1;
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var mod = (event.ctrlKey || event.altKey);
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var newstate;
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switch (tgt.id) {
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case "name-a":
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case "name-b":
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if (state == SETUP) {
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var tn = prompt("Enter team " + team + " name", tgt.innerHTML);
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if (tn) {
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tgt.innerHTML = tn;
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}
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if (window.penalties) {
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penalties_setTeamName(team, tn);
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}
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}
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break;
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case "logo-a":
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case "logo-b":
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if (state == SETUP) {
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if (mod) {
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var u = prompt("Enter URL to team " + team + " logo");
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if (u) {
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tgt.src = u;
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}
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} else {
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var t;
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logo[team] = (teams.length + logo[team] + adj) % teams.length;
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t = teams[logo[team]];
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e("name-" + team).innerHTML = t[0];
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tgt.src = "logos/" + t[1];
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if (window.penalties) {
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penalties_setTeamName(team, t[0]);
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}
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}
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} else {
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score(team, -adj);
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}
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break;
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case "jammer-a":
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case "jammer-b":
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var on = ! tgt.className;
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e("jammer-a").className = "";
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e("jammer-b").className = "";
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if (on) tgt.className = "lead";
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break;
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case "timeouts-a":
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case "timeouts-b":
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// Allow for timeouts > 3
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var v = Number(tgt.innerHTML);
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v -= adj;
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if (v == -1) v = 3;
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tgt.innerHTML = v;
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break;
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case "period":
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if ((state == SETUP) || (state == TIMEOUT)) {
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var r = prompt("Enter new time for period clock", tgt.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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tgt.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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tgt.set(sec*1000);
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} else {
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newstate = TIMEOUT;
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}
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break;
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case "periodtext":
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var pt;
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if (mod) {
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pt = prompt("Enter new period indicator text", tgt.innerHTML);
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} else {
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var ptl = periodtext.length;
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period = (period + ptl + adj) % ptl;
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pt = periodtext[period];
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}
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if (pt) tgt.innerHTML = pt;
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break;
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case "jam":
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if (state == JAM) {
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newstate = LINEUP;
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} else {
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newstate = JAM;
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}
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break;
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case "score-a":
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case "score-b":
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if (state == SETUP) {
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var s = prompt("Enter score for team " + team, tgt.innerHTML);
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if (s) {
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tgt.innerHTML = s;
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}
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} else {
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score(team, adj);
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}
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break;
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}
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transition(newstate);
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}
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function key(event) {
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var c = String.fromCharCode(event.which || 0);
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var newstate;
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switch (c) {
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case " ":
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if (state == JAM) {
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newstate = LINEUP;
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} else {
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newstate = JAM;
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}
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break;
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case "t":
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newstate = TIMEOUT;
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break;
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case "a":
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score('a', 1);
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break;
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case "b":
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score('b', 1);
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break;
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case "A":
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score('a', -1);
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break;
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case "B":
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score('b', -1);
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break;
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case "1":
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case "2":
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case "3":
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case "4":
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case "5":
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case "6":
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case "7":
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case "8":
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case "9":
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case "0":
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var n = Number(c);
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window.notice(n);
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}
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transition(newstate);
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}
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function dfl(v, d) {
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if (v == undefined) {
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return d;
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} else {
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return v;
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}
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}
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function store(k, v) {
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if ((v == undefined) || ! localStorage) {
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return;
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} else {
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localStorage["rdsb_" + k] = v;
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}
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}
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function save() {
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var ls = localStorage || {};
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store("period_clock", e("period").remaining());
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store("name_a", e("name-a").innerHTML);
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store("name_b", e("name-b").innerHTML);
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store("logo_a", e("logo-a").src);
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store("logo_b", e("logo-b").src);
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store("score_a", e("score-a").innerHTML);
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store("score_b", e("score-b").innerHTML);
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store("timeout_a", e("timeouts-a").innerHTML);
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store("timeout_b", e("timeouts-b").innerHTML);
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store("period", period);
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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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var ls = localStorage || {};
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var c;
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// IE8 doesn't have localStorage for file:// URLs :<
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e("name-a").innerHTML = dfl(ls.rdsb_name_a, "Home");
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e("name-b").innerHTML = dfl(ls.rdsb_name_b, "Vis");
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e("logo-a").src = dfl(ls.rdsb_logo_a, "logos/black.png");
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e("logo-b").src = dfl(ls.rdsb_logo_b, "logos/white.png");
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e("score-a").innerHTML = dfl(ls.rdsb_score_a, 0);
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e("score-b").innerHTML = dfl(ls.rdsb_score_b, 0);
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e("timeouts-a").innerHTML = dfl(ls.rdsb_timeout_a, 3);
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e("timeouts-b").innerHTML = dfl(ls.rdsb_timeout_b, 3);
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period = Number(ls.rdsb_period) || 0;
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if (localStorage) {
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save_itimer = setInterval(save, 1000);
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}
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if (window.penalties) {
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penalties_init();
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}
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e("periodtext").innerHTML = periodtext[period];
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e("jamtext").innerHTML = "Setup";
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transition();
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c = Number(ls.rdsb_period_clock || 1800000);
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startTimer(p);
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p.set(c);
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var j = document.getElementById("jam");
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startTimer(j, window.tenths);
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j.set(120000);
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save_timer = setInterval(save, 1000);
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update_itimer = setInterval(update, 33);
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}
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window.onload = start;
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window.tenths = true;
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