8a85a5d139
* Slow down fading * Removed intensive dark-yellow colors * Wait a bit before fading git-svn-id: svn://svn.c3d2.de/c3d2-web/trunk@1000 31f61c52-7bfb-0310-b897-fc00f8a278f0
88 lines
1.8 KiB
JavaScript
88 lines
1.8 KiB
JavaScript
/**
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*
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* $Id$
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*
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* This script waits for the document to be loaded,
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* then seeks the right table cell for today's date
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* and changes it's background color.
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*
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* Fading is just an additional effect.
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*
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**/
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set_hilight_timer();
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function set_hilight_timer()
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{
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window.setTimeout(hilight_today, 50);
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}
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function hilight_today()
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{
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/* Has document fetching completed enough? */
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if (document.getElementById("upcoming"))
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{
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var now = new Date();
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var today_id = "calendar-" +
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now.getFullYear() + "-" +
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(now.getMonth() + 1) + "-" +
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now.getDate();
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var today = document.getElementById(today_id);
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var td = today.parentNode;
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if (td)
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{
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td.style.backgroundColor = "#ebc63c";
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td.style.backgroundColor = "black";
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fade_td(td, 0, 100);
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}
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}
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else
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{
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/* No calendar, continue waiting */
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window.setTimeout(hilight_today, 300);
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}
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}
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function fade_td(td, step, interval)
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{
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var colors = new Array(
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"#edece5",
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"#edece7",
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"#edebe1",
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"#ede9db",
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"#ede8d5",
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"#ede7cf",
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"#ede5c9",
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"#ede4c3",
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"#ede2bc",
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"#ede1b6",
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"#ece0b0",
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"#ecdeaa",
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"#ecdda4",
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"#ecdc9e",
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"#ecda98",
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"#ecd991",
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"#ecd78b",
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"#ecd685",
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"#ecd57f",
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"#ecd379",
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"#ebd273",
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"#ebd16d");
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td.style.backgroundColor = colors[step];
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var next_step = step + 1;
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if (next_step < colors.length)
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{
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/* These three lines feature two techniques:
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* * lambda
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* * tail-recursive
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*/
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window.setTimeout(function() {
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fade_td(td, next_step, interval);
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},(next_step == 1) ? interval * 10 : interval); /* Delay the first step */
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}
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}
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