374 lines
9.5 KiB
JavaScript
374 lines
9.5 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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* Time-stamp: <2011-12-06 22:26:05 neale>
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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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/* State names */
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var STARTUP = 0; // !P 30:00 !J 2:00
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var JAM = 1; // P J 2:00
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var ROTATE = 2; // P J 1:00
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var TIMEOUT = 3; // !P J 1:00
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var periods = ["Period 1", "Break", "Period 2"];
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var period = 0;
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var state = STARTUP;
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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 itimer;
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var startTime;
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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 (! itimer) {
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element.className += " paused";
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}
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if ((! className) && (remain <= 20000)) {
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element.className += " lowtime";
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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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clearInterval(itimer);
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itimer = undefined;
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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 (itimer) {
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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 (! itimer) {
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startTime = (new Date()).getTime();
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itimer = setInterval(refresh, 33);
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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 (itimer) {
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duration = element.remaining();
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clearInterval(itimer);
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itimer = undefined;
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}
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refresh();
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}
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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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if ((newstate == undefined) || (newstate == state)) {
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return;
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}
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state = newstate;
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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.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 == ROTATE) {
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pt.start();
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jt.set(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.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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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 adjust_timeouts(team, dir) {
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var i;
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var t = e("timeouts-" + team);
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t.val = (t.val + 4 + dir) % 4;
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t.innerHTML = t.val;
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}
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var preset = {a:-1, b:-1};
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function logo_rotate(team, dir) {
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var t;
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preset[team] = (teams.length + preset[team] + dir) % teams.length;
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t = teams[preset[team]];
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e("name-" + team).innerHTML = t[0];
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e("logo-" + team).src = "logos/" + t[1];
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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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var newstate;
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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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if (state == STARTUP) {
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if (event.ctrlKey) {
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var tn = prompt("Enter team " + team + " name", e.innerHTML);
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if (tn) {
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e.innerHTML = tn;
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}
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} else {
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logo_rotate(team, event.shiftKey?-1:1);
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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 == STARTUP) {
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if (event.ctrlKey) {
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var u = prompt("Enter URL to team " + team + " logo");
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if (u) {
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e.src = u;
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}
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} else {
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logo_rotate(team, event.shiftKey?-1:1);
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}
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} else {
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score(team, -1);
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}
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break;
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case "timeouts-a":
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case "timeouts-b":
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adjust_timeouts(team, -1);
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break;
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case "period":
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if ((state == STARTUP) || (state == TIMEOUT)) {
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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.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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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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if (state == JAM) {
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newstate = ROTATE;
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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 (event.ctrlKey) {
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var s = prompt("Enter score for team " + team, e.innerHTML);
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if (s) {
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e.innerHTML = s;
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}
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} else if (event.shiftKey) {
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score(team, -1);
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} else {
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score(team, 1);
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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(e) {
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var newstate;
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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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newstate = ROTATE;
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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 "j":
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newstate = 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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newstate = ROTATE;
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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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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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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 start() {
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var p = document.getElementById("period");
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var j = document.getElementById("jam");
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e("name-a").innerHTML = dfl(localStorage.rdsb_name_a, "Home");
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e("name-b").innerHTML = dfl(localStorage.rdsb_name_b, "Visitor");
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e("logo-a").src = dfl(localStorage.rdsb_logo_a, "#");
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e("logo-b").src = dfl(localStorage.rdsb_logo_b, "#");
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e("score-a").innerHTML = dfl(localStorage.rdsb_score_a, 0);
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e("score-b").innerHTML = dfl(localStorage.rdsb_score_b, 0);
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e("timeouts-a").val = dfl(localStorage.rdsb_timeout_a, 3);
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e("timeouts-b").val = dfl(localStorage.rdsb_timeout_b, 3);
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adjust_timeouts("a", 0);
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adjust_timeouts("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);
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p.set(c);
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startTimer(j, true);
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j.set(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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