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//Utility functions for map info window
function mapit(latlontitle) {
lat = parseFloat(latlontitle.split(',')[0]);
lon = parseFloat(latlontitle.split(',')[1]);
title= latlontitle.split(',')[2];
centerCoord = new google.maps.LatLng(lat, lon);
var mapitinit;
if (mapitinit == true) {
mapPanTo();
} else {
mapInit();
}
function mapInit() {
var mapOptions = {
zoom: 8,
center: centerCoord,
disableDefaultUI: true,
navigationControl: true,
mapTypeId: google.maps.MapTypeId.TERRAIN,
navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL}
};
map = new google.maps.Map(document.getElementById("map-wrapper"), mapOptions);
var marker = new google.maps.Marker({
position: centerCoord,
map: map,
title: title
});
mapitinit = true;
}
function mapPanTo(){
var marker = new google.maps.Marker({
position: centerCoord,
map: map,
title: title
});
map.panTo(centerCoord);
}
}
// utility functions to create/remove map container
function create_map(obj) {
//create container divs
$(obj).parent().parent().parent().append('<div id="map-container">');
$('#map-container').append('<div id="map-wrapper">');
//deal with the variable height of div.legend
$('#map-container').css({
bottom: function(index, value) {
return parseFloat($(obj).parent().parent().height())-2;
}
});
mapit(obj.title);
}
function remove_map() {
$('#map-container').remove();
}
// utility functions to create/remove camera info container
function get_exif(obj,id) {
$(obj).parents().eq(2).append('<div id="exif-container">');
$(obj).parents().eq(2).children('.meta').clone().appendTo('#exif-container').css('display', 'block');
//deal with the variable height of div.legend
$('#exif-container').css({
bottom: function(index, value) {
return parseFloat($(obj).parent().parent().height())-14;
}
});
}
function remove_exif() {
$("#exif-container").remove();
}
//
$(document).ready(function(){
//Add navigation
$('#breadcrumbs').after('<div id="slideshow-controls"><ul><li><a id="prev" title="you can also use the arrow keys to navigate" href="#"> ← Older</a></li><li><a id="play" title="Pause Slideshow" href="#">▐▐</a></li><li><a id="next" title="you can also use the arrow keys to navigate" href="#">Newer →</a></li></ul></div>');
//activate pause button
//state var
var show_state = 'playing';
$('#play').click(function() {
if (show_state == 'playing') {
$('#slides').cycle('pause');
$(this).html('▶');
$(this).attr('title','Play slideshow');
show_state = 'paused';
} else {
$('#slides').cycle('resume', true);
$(this).html('▐▐');
$(this).attr('title','Pause slideshow');
show_state= 'playing';
}
return false;
});
//set up click events for map button
$('.map-link').click( function() {
if ($("#exif-container").is(":visible")){
remove_exif();
}
if ($('#map-container').is(":visible")) {
remove_map();
} else {
create_map(this);
}
return false;
});
//set up click events camera info button
$('.exif-link').click( function() {
if ($('#map-container').is(":visible")){
remove_map();
}
if ($('#exif-container').is(":visible")) {
remove_exif();
} else {
get_exif(this);
}
return false;
});
// create and hide nav buttons (needed for keyboard shortcuts
$('#slides').append('<div class="slidenav"><a id="prev">< Prev </a><a id="next"> Next ></a></div>');
$('.slidenav').css("display","none");
var is_permalink = false;
//find out if we should display a specific slide
var index = 0, hash = window.location.hash;
if (hash) {
index = /\d+/.exec(hash)[0];
index = (parseInt(index) || 1) - 1; // slides are zero-based
//if this is a permalink, then don't autoplay:
is_permalink = true;
}
// initialize the cycle slideshow
$('#slides .bigimg').wrapAll('<div class="bigimgs">').parents('#slides').append('<ul class="menu" id="feature_gallery_pager">').cycle({
fx: 'fade',
startingSlide: index,
prev: $(this).find('#prev'),
next: $(this).find('#next'),
before: onBefore,
after: onAfter,
slideExpr: '.bigimg',
pager: '#feature_gallery_pager',
pagerAnchorBuilder: function(idx, slide) {
return '<li><a href="#"><img src="'+slide.id+'" class="thumb"><span></span></a></li>';
}
});
//if this is a permalink, then pause:
if(is_permalink == true) {
$('#play').click()
}
//callback to delete map and camera info windows if they exist
function onBefore() {
$('#map-container').remove();
$('#exif-container').remove();
}
//callback to change url for permalinks and scroll jcarousel
function onAfter(curr,next,opts) {
if (opts.currSlide % 10 == 0) {
if (opts.currSlide != 0) {
$('#slides').trigger('image-loaded',[opts.currSlide+1]);
} else {
$('#slides').trigger('image-loaded',[1]);
}
}
window.location.hash = 'image'+(opts.currSlide + 1);
}
//callback for jcarousel
function initCallbackFunction(carousel) {
// bind "image-loaded" event to the #slides container (trigger in onAfter function)
$('#slides').bind('image-loaded', function(event, num) {
// scroll carousel
carousel.scroll(num);
return false;
});
};
//initialize the jcarousel plugin
$(function() {
$('#feature_gallery_pager').jcarousel({
scroll:10,
initCallback: initCallbackFunction
});
});
//enable keyboard shortcuts:
$(document.documentElement).keyup(function(event) {
var direction = null;
if (event.keyCode == 37) {
direction = 'prev';
} else if (event.keyCode == 39) {
direction = 'next';
}
if (direction != null) {
$('#slides').each(function(index) {
$('#prev,#next', this)[direction]().click();
});
}
});
});
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