Move all the fullsize code into the theme to make it less confusing.

Partial fix for ticket #427.

1 files changed, 78 insertions, 0 deletions

diff --git a/themes/default/js/fullsize.js b/themes/default/js/fullsize.js
new file mode 100644
index 00000000..f95dc428
--- /dev/null
+++ b/themes/default/js/fullsize.js
@@ -0,0 +1,78 @@
+/**
+ * @todo Move inline CSS out to external style sheet (theme style sheet)
+ */
+$(document).ready(function() {
+  $(".gFullSizeLink").click(function() {
+    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(fullsize_detail.width, fullsize_detail.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="' + fullsize_detail.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(fullsize_detail.width, fullsize_detail.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);
+    });
+  });
+});
+
+/*
+ * 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: ((windowHeight - imageHeight) / 2).toFixed(2),
+    left: ((windowWidth - imageWidth) / 2).toFixed(2),
+    width: imageWidth.toFixed(2),
+    height: imageHeight.toFixed(2)
+    };
+}