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<?php
/**
* Avatar crop form
*
* @uses $vars['entity']
*/
elgg_load_js('jquery.imgareaselect');
elgg_load_css('jquery.imgareaselect');
$master_image = $vars['entity']->getIconUrl('master');
?>
<div class="clearfix">
<img id="user-avatar" class="mrl" src="<?php echo $master_image; ?>" alt="<?php echo elgg_echo('avatar'); ?>" />
</div>
<div class="elgg-foot">
<?php
$coords = array('x1', 'x2', 'y1', 'y2');
foreach ($coords as $coord) {
echo elgg_view('input/hidden', array('name' => $coord, 'value' => $vars['entity']->$coord));
}
echo elgg_view('input/hidden', array('name' => 'guid', 'value' => $vars['entity']->guid));
echo elgg_view('input/submit', array('value' => elgg_echo('avatar:create')));
?>
</div>
<!-- grab the required js for icon cropping -->
<?php //@todo JS 1.8: no ?>
<script type="text/javascript">
// display a preview of the users cropped section
function preview(img, selection) {
// catch for the first click on the image
if (selection.width == 0 || selection.height == 0) {
return;
}
var origWidth = $("#user-avatar").width(); //get the width of the users master photo
var origHeight = $("#user-avatar").height(); //get the height of the users master photo
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'
});
}
function selectChange(img, selection) {
// populate the form with the correct coordinates once a user has cropped their image
$('input[name=x1]').val(selection.x1);
$('input[name=x2]').val(selection.x2);
$('input[name=y1]').val(selection.y1);
$('input[name=y2]').val(selection.y2);
}
$(document).ready(function() {
$('<div id="user-avatar-preview"><img src="<?php echo $master_image; ?>" /></div>').insertAfter($('#user-avatar'));
$('<div id="user-avatar-preview-title"><label><?php echo elgg_echo('avatar:preview'); ?></label></div>').insertBefore($('#user-avatar-preview'));
// this produces the coordinates
$('#user-avatar').imgAreaSelect({ selectionOpacity: 0, onSelectEnd: selectChange });
// show the preview
$('#user-avatar').imgAreaSelect({ aspectRatio: '1:1', onSelectChange: preview });
});
</script>
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