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-rw-r--r--js/lib/avatar_cropper.js50
-rw-r--r--js/lib/ui.js2
2 files changed, 51 insertions, 1 deletions
diff --git a/js/lib/avatar_cropper.js b/js/lib/avatar_cropper.js
new file mode 100644
index 000000000..bfd76225b
--- /dev/null
+++ b/js/lib/avatar_cropper.js
@@ -0,0 +1,50 @@
+/**
+ * Avatar cropping
+ */
+
+elgg.provide('elgg.avatarCropper');
+
+/**
+ * Register the avatar cropper.
+ */
+elgg.avatarCropper.init = function() {
+ $('#user-avatar-cropper').imgAreaSelect({
+ selectionOpacity: 0,
+ aspectRatio: '1:1',
+ onSelectEnd: elgg.avatarCropper.selectChange,
+ onSelectChange: elgg.avatarCropper.preview
+ });
+}
+
+/**
+ * Handler for changing select area.
+ */
+elgg.avatarCropper.preview = function(img, selection) {
+ // catch for the first click on the image
+ if (selection.width == 0 || selection.height == 0) {
+ return;
+ }
+
+ var origWidth = $("#user-avatar-cropper").width();
+ var origHeight = $("#user-avatar-cropper").height();
+ var scaleX = 100 / selection.width;
+ var scaleY = 100 / selection.height;
+ $('#user-avatar-preview > img').css({
+ width: Math.round(scaleX * origWidth) + 'px',
+ height: Math.round(scaleY * origHeight) + 'px',
+ marginLeft: '-' + Math.round(scaleX * selection.x1) + 'px',
+ marginTop: '-' + Math.round(scaleY * selection.y1) + 'px'
+ });
+}
+
+/**
+ * Handler for updating the form inputs after select ends
+ */
+elgg.avatarCropper.selectChange = function(img, selection) {
+ $('input[name=x1]').val(selection.x1);
+ $('input[name=x2]').val(selection.x2);
+ $('input[name=y1]').val(selection.y1);
+ $('input[name=y2]').val(selection.y2);
+}
+
+elgg.register_hook_handler('init', 'system', elgg.avatarCropper.init); \ No newline at end of file
diff --git a/js/lib/ui.js b/js/lib/ui.js
index 57378a4d6..166ca16bc 100644
--- a/js/lib/ui.js
+++ b/js/lib/ui.js
@@ -1,6 +1,7 @@
elgg.provide('elgg.ui');
elgg.ui.init = function () {
+ // add user hover menus
elgg.ui.initHoverMenu();
//if the user clicks a system message, make it disappear
@@ -277,6 +278,5 @@ elgg.ui.initDatePicker = function() {
});
}
-
elgg.register_hook_handler('init', 'system', elgg.ui.init);
elgg.register_hook_handler('getOptions', 'ui.popup', elgg.ui.LoginHandler); \ No newline at end of file