diff options
Diffstat (limited to 'js')
| -rw-r--r-- | js/lib/ui.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/js/lib/ui.js b/js/lib/ui.js index 57378a4d6..8cee500d0 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 @@ -24,6 +25,14 @@ elgg.ui.init = function () { if ($('.elgg-input-date').length) { elgg.ui.initDatePicker(); } + + // avatar cropper + $('#user-avatar-cropper').imgAreaSelect({ + selectionOpacity: 0, + aspectRatio: '1:1', + onSelectEnd: elgg.ui.avatarSelectChange, + onSelectChange: elgg.ui.avatarPreview + }); } /** @@ -277,6 +286,34 @@ elgg.ui.initDatePicker = function() { }); } +// Avatar cropping + +// display a preview of the users cropped section +elgg.ui.avatarPreview = 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' + }); +} + +// populate the form with the correct coordinates once a user has cropped their image +elgg.ui.avatarSelectChange = 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.ui.init); elgg.register_hook_handler('getOptions', 'ui.popup', elgg.ui.LoginHandler);
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