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/**
* A script for scraping Simile Timeline suitable data from HTML, and
* for inserting the required Simile scripts if needed.
*/
var smwtl;
jQuery(smw_timeline_init);
function smw_timeline_init() {
if (!document.getElementsByName) return;
tbls = document.getElementsByTagName("div");
for (ti=0;ti<tbls.length;ti++) {
thisTbl = tbls[ti];
if (((' '+thisTbl.className+' ').indexOf("smwtimeline") != -1) && (thisTbl.id)) {
smw_make_timeline(thisTbl);
}
}
}
function smw_make_timeline(div) {
// extract relevant event data:
var eventSource = new Timeline.DefaultEventSource();
var theme = Timeline.ClassicTheme.create();
// make some elements opaque to unify look across platforms
// Timelines way of setting transparency fails on some browsers (some IE6s, Konquerors)
// Also, we use "imprecise instants" to display durations, since Timeline fails if
// only durations are used and multiple bands appear. See below.
theme.ether.highlightColor = "#E7E7E7";
theme.ether.highlightOpacity = 100;
theme.event.instant.impreciseOpacity = 100;
//theme.event.instant.icon = Timeline.urlPrefix + "images/blue-circle.png";
//theme.ether.interval.line.opacity = 100;
//theme.ether.interval.weekend.opacity = 100;
//theme.ether.interval.weekend.color = "#FFFFE0";
var childs = div.childNodes;
var l = childs.length;
var bands = [];
var bandcount = 0;
var position = new Date(); //fallback position: today;
for (var i = 0; i < childs.length; div.removeChild(childs[0])) {
switch (childs[i].nodeType) {
case 1: //ELEMENT_NODE -- an event or some general data
if (childs[i].className == "smwtlevent")
smw_add_event(childs[i],eventSource);
else if (childs[i].className == "smwtlband") {
switch (childs[i].firstChild.data) {
case "MILLISECOND": bands[bandcount] = Timeline.DateTime.MILLISECOND; break;
case "SECOND": bands[bandcount] = Timeline.DateTime.SECOND; break;
case "MINUTE": bands[bandcount] = Timeline.DateTime.MINUTE; break;
case "HOUR": bands[bandcount] = Timeline.DateTime.HOUR; break;
case "DAY": bands[bandcount] = Timeline.DateTime.DAY; break;
case "WEEK": bands[bandcount] = Timeline.DateTime.WEEK; break;
case "MONTH": bands[bandcount] = Timeline.DateTime.MONTH; break;
case "YEAR": bands[bandcount] = Timeline.DateTime.YEAR; break;
case "DECADE": bands[bandcount] = Timeline.DateTime.DECADE; break;
case "CENTURY": bands[bandcount] = Timeline.DateTime.CENTURY; break;
case "MILLENNIUM": bands[bandcount] = Timeline.DateTime.MILLENNIUM; break;
default: bandcount--; //dont count unrecognized bands
}
bandcount++;
} else if (childs[0].className == "smwtlposition") {
position = Timeline.DateTime.parseIso8601DateTime(childs[i].firstChild.data);
} /*else if (childs[i].className == "smwtlsize") {
div.setAttribute("style","height: " + childs[i].firstChild.data + ";");
}*/
break;
case 3: //TEXT_NODE -- ignore text on this level
break;
}
}
// create bands
var bandInfos = [];
var bandinfo;
for (var i = 0; i < bandcount; i++) {
if (i == 0) {
bandinfo = Timeline.createBandInfo({
eventSource: eventSource,
width: smw_get_bandwidth(i,bandcount),
intervalUnit: bands[i],
intervalPixels: 100,
date: position,
theme: theme
})
} else {
bandinfo = Timeline.createBandInfo({
showEventText: false,
trackHeight: 0.5,
trackGap: 0.2,
eventSource: eventSource,
width: smw_get_bandwidth(i,bandcount),
intervalUnit: bands[i],
intervalPixels: 100,
date: position,
theme: theme
})
bandinfo.syncWith = 0;
bandinfo.highlight = true;
}
bandInfos[i] = bandinfo;
}
// default band
if (bandcount == 0) {
bandInfos[0] = Timeline.createBandInfo({
eventSource: eventSource,
width: "100%",
intervalUnit: Timeline.DateTime.MONTH,
intervalPixels: 100,
theme: theme
})
}
smwtl = Timeline.create(div, bandInfos);
}
function smw_get_bandwidth(number,count) {
switch (count) {
case 1: if (number == 0) return "100%"; else return "0%";
case 2:
switch (number) {
case 0: return "70%";
case 1: return "30%";
default: return "0%";
}
case 3:
switch (number) {
case 0: return "60%";
case 1: return "25%";
case 2: return "15%";
default: return "0%";
}
default: // dont support more than 4 bands
switch (number) {
case 0: return "50%";
case 1: return "25%";
case 2: return "15%";
case 3: return "10%";
default: return "0%";
}
}
}
function smw_add_event(evspan,evs) {
var startdate = null;
var enddate = null;
var desc = "";
var ttl = "";
var linkurl = "";
var prefix = "";
var postfix = "";
var icon = Timeline.urlPrefix + "images/dull-blue-circle.png";
var childs = evspan.childNodes;
for (var i = 0; i < childs.length; /* manual increment below */ ) {
if (childs[i].nodeType == 1) { //ELEMENT_NODE -- some data element
switch (childs[i].className) {
case "smwtlstart":
if (childs[i].firstChild.nodeType == 3)
startdate = childs[i].firstChild.data;
evspan.removeChild(childs[i]);
break;
case "smwtlend":
if (childs[i].firstChild.nodeType == 3)
enddate = childs[i].firstChild.data;
evspan.removeChild(childs[i]);
break;
case "smwtltitle":
if (childs[i].firstChild.nodeType == 3)
ttl = childs[i].firstChild.data;
evspan.removeChild(childs[i]);
break;
case "smwtlprefix":
if (childs[i].firstChild.nodeType == 3)
prefix = childs[i].firstChild.data;
evspan.removeChild(childs[i]);
break;
case "smwtlpostfix":
if (childs[i].firstChild.nodeType == 3)
postfix = childs[i].firstChild.data;
evspan.removeChild(childs[i]);
break;
case "smwtlurl": // accept both plain text and <a>, use text of <a> for title
if (childs[i].firstChild.nodeType == 3)
linkurl = childs[i].firstChild.data;
else {
linkurl = childs[i].firstChild.getAttribute("href");
if (childs[i].firstChild.hasChildNodes())
ttl = childs[i].firstChild.firstChild.data;
}
evspan.removeChild(childs[i]);
break;
case "smwtlcoloricon":
if (childs[i].firstChild.nodeType == 3) {
switch ( childs[i].firstChild.data ) {
case "0": icon =Timeline.urlPrefix + "images/dull-blue-circle.png";
break;
case "1": icon =Timeline.urlPrefix + "images/dull-red-circle.png";
break;
case "2": icon =Timeline.urlPrefix + "images/dull-green-circle.png";
break;
case "3": icon =Timeline.urlPrefix + "images/gray-circle.png";
break;
case "4": icon =Timeline.urlPrefix + "images/dark-blue-circle.png";
break;
case "5": icon =Timeline.urlPrefix + "images/dark-red-circle.png";
break;
case "6": icon =Timeline.urlPrefix + "images/dark-green-circle.png";
break;
case "7": icon =Timeline.urlPrefix + "images/blue-circle.png";
break;
case "8": icon =Timeline.urlPrefix + "images/red-circle.png";
break;
case "9": icon =Timeline.urlPrefix + "images/green-circle.png";
break;
}
}
evspan.removeChild(childs[i]);
break;
default: //proceed
i++;
}
} else i++; //proceed
}
desc = evspan.innerHTML; // the remaining nodes form the description of the event
var parseDateTimeFunction = evs._events.getUnit().getParser("iso8601");
var evt = new Timeline.DefaultEventSource.Event(
parseDateTimeFunction(startdate),
parseDateTimeFunction(enddate),
parseDateTimeFunction(null),
parseDateTimeFunction(null),
true, //( enddate == null ), // FIXME: timeline currently fails if there are only durations and mutliple bands
prefix + ttl + postfix,
desc,
"", //no image
linkurl,
icon,
"",
""
);
// TODO: must the following have a meaningful definition?
// evt.getProperty = function(name) {
// return "";
// };
evs._events.add(evt);
}
//FIXME: Not used at the moment. Is this needed?
//addEvent(window, "resize", onResize);
// var resizeTimerID = null;
// function onResize() {
// if (resizeTimerID == null) {
// resizeTimerID = window.setTimeout(function() {
// resizeTimerID = null;
// smwtl.layout();
// }, 500);
// }
// }
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