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/**
* @todo Move inline CSS out to external style sheet (theme style sheet)
*/
var show_full_size = function(image_url, image_width, image_height) {
/*
* Calculate the size of the image panel based on the size of the image and the size of the
* window. Scale the image so the entire panel fits in the view port.
*/
function _auto_fit(imageWidth, imageHeight) {
// ui-dialog gives a padding of 2 pixels
var windowWidth = $(window).width() - 10;
var windowHeight = $(window).height() - 10;
/* If the width is greater then scale the image width first */
if (imageWidth > windowWidth) {
var ratio = windowWidth / imageWidth;
imageWidth *= ratio;
imageHeight *= ratio;
}
/* after scaling the width, check that the height fits */
if (imageHeight > windowHeight) {
var ratio = windowHeight / imageHeight;
imageWidth *= ratio;
imageHeight *= ratio;
}
// handle the case where the calculation is almost zero (2.14e-14)
return {
top: Number((windowHeight - imageHeight) / 2),
left: Number((windowWidth - imageWidth) / 2),
width: Number(imageWidth),
height: Number(imageHeight)
};
}
var width = $(document).width();
var height = $(document).height();
$("body").append('<div id="gFullsizeOverlay" class="ui-dialog-overlay" ' +
'style="border: none; margin: 0; padding: 0; background-color: #000; ' +
'position: absolute; top: 0px; left: 0px; ' +
'width: ' + width + 'px; height: ' + height + 'px; opacity: 0.7; filter: alpha(opacity=70);' +
'-moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; ' +
'-moz-background-inline-policy: -moz-initial; z-index: 1001;"> </div>');
var image_size = _auto_fit(image_width, image_height);
$("body").append('<div id="gFullsize" class="ui-dialog ui-widget" ' +
'style="overflow: hidden; display: block; ' +
'position: absolute; z-index: 1002; outline-color: -moz-use-text-color; ' +
'outline-style: none; outline-width: 0px; ' +
'height: ' + image_size.height + 'px; ' +
'width: ' + image_size.width + 'px; ' +
'top: ' + image_size.top + 'px; left: ' + image_size.left + 'px;">' +
'<img id="gFullSizeImage" src="' + image_url + '"' +
'height="' + image_size.height + '" width="' + image_size.width + '"/></div>');
$("#gFullsize").append('<span id="gFullsizeClose" class="fg-button ui-icon ui-state-default ' +
'ui-icon-closethick ui-corner-all" style="z-index: 1003; position: absolute; ' +
'right: 1em; top: 1em;"></span>');
$("#gFullsizeClose").click(function() {
$("#gFullsizeOverlay*").remove();
$("#gFullsize").remove();
});
$(window).resize(function() {
$("#gFullsizeOverlay").width($(document).width());
$("#gFullsizeOverlay").height($(document).height());
image_size = _auto_fit(image_width, image_height);
$("#gFullsize").height(image_size.height);
$("#gFullsize").width(image_size.width);
$("#gFullsize").css("top", image_size.top);
$("#gFullsize").css("left", image_size.left);
$("#gFullSizeImage").height(image_size.height);
$("#gFullSizeImage").width(image_size.width);
});
};
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