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/**
* Initialize jQuery UI and Plugin elements
*
* @todo Standardize how elements requiring listeners are identified (class or id)
*/
var shortForms = new Array(
"#gSearchForm",
"#gAddTagForm"
);
$(document).ready(function() {
// Album view only
if ($("#gAlbumGrid").length) {
// Vertical align thumbnails/metadata in album grid
$(".gItem").wrapInner("<div></div>")
$('.gItem div').vAlign();
}
// Photo/Item item view only
if ($("#gItem").length) {
// Ensure that sized image versions
// fit inside their container
sizedImage();
// Add scroll effect for links to named anchors
$.localScroll({
queue: true,
duration: 1000,
hash: true
});
}
// Apply Superfish menus
$("ul.gMenu").addClass("sf-menu");
$("#gViewMenu ul.gMenu").addClass("sf-menu");
// Superfish menu options
$('ul.sf-menu').superfish({
delay: 500,
animation: {
opacity:'show',
height:'show'
},
speed: 'fast'
});
// Apply modal dialogs
$(".gMenuLink").addClass("gDialogLink");
$("#gLoginLink").addClass("gDialogLink");
var dialogLinks = $(".gDialogLink");
for (var i=0; i < dialogLinks.length; i++) {
$(dialogLinks[i]).bind("click", {element: dialogLinks[i]}, handleDialogEvent);
};
// Short forms
handleShortFormEvent(shortForms);
});
// Vertically align a block element's content
$.fn.vAlign = function() {
return this.each(function(i){
var ah = $(this).height();
var ph = $(this).parent().height();
var mh = (ph - ah) / 2;
$(this).css('margin-top', mh);
});
};
/**
* Reduce width of sized photo if it's wider than its parent container
*/
function sizedImage() {
var containerWidth = $("#gItem").width();
var oPhoto = $("#gItem img").filter(function() {
return this.id.match(/gPhotoId-/);
});
if (containerWidth < oPhoto.width()) {
var proportion = containerWidth / oPhoto.width();
oPhoto.width(containerWidth);
oPhoto.height(proportion * oPhoto.height());
}
}
/**
* Handle initialization of all short forms
*
* @param array shortForms Array of short form IDs
*/
function handleShortFormEvent(shortForms) {
for (var i in shortForms) {
shortFormInit(shortForms[i]);
}
}
/**
* Initialize a short form. Short forms may contain only one text input.
*
* @param string formID The form's ID, including #
*/
function shortFormInit(formID) {
// Get the input ID and it's label text
var labelValue = $(formID + " label:first").html();
var inputID = "#" + $(formID + " input[type='text']:first").attr("id");
// Set the input value equal to label text
$(inputID).val(labelValue);
// Attach event listeners to the input
$(inputID).bind("focus blur", function(e){
var eLabelVal = $(this).siblings("label").html();
var eInputVal = $(this).val();
// Empty input value if it equals it's label
if (eLabelVal == eInputVal) {
$(this).val("");
// Reset the input value if it's empty
} else if ($(this).val() == "") {
$(this).val(eLabelVal);
}
});
}
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