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authorJonas Smedegaard <dr@jones.dk>2010-07-15 19:39:44 +0200
committerJonas Smedegaard <dr@jones.dk>2010-07-15 19:39:44 +0200
commitdea1eff3d9e9781e5b92a326ad7df17d3ba8ba11 (patch)
tree8ee94983b68dfe5891b37f5c27f5989e5d7fffd9
Initial sync with ikiwiki 3.20100704.
-rw-r--r--ikiwiki/ikiwiki.js54
-rw-r--r--ikiwiki/relativedate.js75
-rw-r--r--ikiwiki/toggle.js29
3 files changed, 158 insertions, 0 deletions
diff --git a/ikiwiki/ikiwiki.js b/ikiwiki/ikiwiki.js
new file mode 100644
index 0000000..aebc5cf
--- /dev/null
+++ b/ikiwiki/ikiwiki.js
@@ -0,0 +1,54 @@
+// ikiwiki's javascript utility function library
+
+var hooks;
+
+// Run onload as soon as the DOM is ready, if possible.
+// gecko, opera 9
+if (document.addEventListener) {
+ document.addEventListener("DOMContentLoaded", run_hooks_onload, false);
+}
+// other browsers
+window.onload = run_hooks_onload;
+
+var onload_done = 0;
+
+function run_hooks_onload() {
+ // avoid firing twice
+ if (onload_done)
+ return;
+ onload_done = true;
+
+ run_hooks("onload");
+}
+
+function run_hooks(name) {
+ if (typeof(hooks) != "undefined") {
+ for (var i = 0; i < hooks.length; i++) {
+ if (hooks[i].name == name) {
+ hooks[i].call();
+ }
+ }
+ }
+}
+
+function hook(name, call) {
+ if (typeof(hooks) == "undefined")
+ hooks = new Array;
+ hooks.push({name: name, call: call});
+}
+
+function getElementsByClass(cls, node, tag) {
+ if (document.getElementsByClass)
+ return document.getElementsByClass(cls, node, tag);
+ if (! node) node = document;
+ if (! tag) tag = '*';
+ var ret = new Array();
+ var pattern = new RegExp("(^|\\s)"+cls+"(\\s|$)");
+ var els = node.getElementsByTagName(tag);
+ for (i = 0; i < els.length; i++) {
+ if ( pattern.test(els[i].className) ) {
+ ret.push(els[i]);
+ }
+ }
+ return ret;
+}
diff --git a/ikiwiki/relativedate.js b/ikiwiki/relativedate.js
new file mode 100644
index 0000000..2a270d6
--- /dev/null
+++ b/ikiwiki/relativedate.js
@@ -0,0 +1,75 @@
+// Causes html elements in the 'relativedate' class to be displayed
+// as relative dates. The date is parsed from the title attribute, or from
+// the element content.
+
+var dateElements;
+
+hook("onload", getDates);
+
+function getDates() {
+ dateElements = getElementsByClass('relativedate');
+ for (var i = 0; i < dateElements.length; i++) {
+ var elt = dateElements[i];
+ var title = elt.attributes.title;
+ var d = new Date(title ? title.value : elt.innerHTML);
+ if (! isNaN(d)) {
+ dateElements[i].date=d;
+ elt.title=elt.innerHTML;
+ }
+ }
+
+ showDates();
+}
+
+function showDates() {
+ for (var i = 0; i < dateElements.length; i++) {
+ var elt = dateElements[i];
+ var d = elt.date;
+ if (! isNaN(d)) {
+ elt.innerHTML=relativeDate(d);
+ }
+ }
+ setTimeout(showDates,30000); // keep updating every 30s
+}
+
+var timeUnits = [
+ { unit: 'year', seconds: 60 * 60 * 24 * 364 },
+ { unit: 'month', seconds: 60 * 60 * 24 * 30 },
+ { unit: 'day', seconds: 60 * 60 * 24 },
+ { unit: 'hour', seconds: 60 * 60 },
+ { unit: 'minute', seconds: 60 },
+];
+
+function relativeDate(date) {
+ var now = new Date();
+ var offset = date.getTime() - now.getTime();
+ var seconds = Math.round(Math.abs(offset) / 1000);
+
+ // hack to avoid reading just in the future if there is a minor
+ // amount of clock slip
+ if (offset >= 0 && seconds < 30 * 60 * 60) {
+ return "just now";
+ }
+
+ var ret = "";
+ var shown = 0;
+ for (i = 0; i < timeUnits.length; i++) {
+ if (seconds >= timeUnits[i].seconds) {
+ var num = Math.floor(seconds / timeUnits[i].seconds);
+ seconds -= num * timeUnits[i].seconds;
+ if (ret)
+ ret += "and ";
+ ret += num + " " + timeUnits[i].unit + (num > 1 ? "s" : "") + " ";
+
+ if (++shown == 2)
+ break;
+ }
+ else if (shown)
+ break;
+ }
+
+ if (! ret)
+ ret = "less than a minute "
+
+ return ret + (offset < 0 ? "ago" : "from now");
+}
diff --git a/ikiwiki/toggle.js b/ikiwiki/toggle.js
new file mode 100644
index 0000000..d190b73
--- /dev/null
+++ b/ikiwiki/toggle.js
@@ -0,0 +1,29 @@
+// Uses CSS to hide toggleables, to avoid any flashing on page load. The
+// CSS is only emitted after it tests that it's going to be able
+// to show the toggleables.
+if (document.getElementById && document.getElementsByTagName && document.createTextNode) {
+ document.write('<style type="text/css">div.toggleable { display: none; }</style>');
+ hook("onload", inittoggle);
+}
+
+function inittoggle() {
+ var as = getElementsByClass('toggle');
+ for (var i = 0; i < as.length; i++) {
+ var id = as[i].href.match(/#(\w.+)/)[1];
+ if (document.getElementById(id).className == "toggleable")
+ document.getElementById(id).style.display="none";
+ as[i].onclick = function() {
+ toggle(this);
+ return false;
+ }
+ }
+}
+
+function toggle(s) {
+ var id = s.href.match(/#(\w.+)/)[1];
+ style = document.getElementById(id).style;
+ if (style.display == "none")
+ style.display = "block";
+ else
+ style.display = "none";
+}