gallery/app/views/admin/images/edit_image.html.erb

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<style>
body{max-width: 100%;}
</style>
<script type="text/javascript" src="/assets/cropper.js"></script>
<link href="/assets/cropper.css" rel="stylesheet"></link>
<img class='editimage'src="<%= @image.file.get_org_url %>">
<div class='img-preview'></div>
<button onclick='save_data()'><%= t('gallery.save') %></button>
<script>
var x=[],y=[],w=[],h=[]
<% if @image.album_crops.first.nil? %>
<% @image.album_crops.new() %>
<% end %>
<% if !(@image.album_crops.first.crop_x.to_s.empty?) %>
x.push(<%= @image.album_crops.first.crop_x %>)
y.push(<%= @image.album_crops.first.crop_y %>)
w.push(<%= @image.album_crops.first.crop_w %>)
h.push(<%= @image.album_crops.first.crop_h %>)
<% end %>
$('img.editimage').on('load',function() {
var image = $('.editimage')
var options = {
data: {
x: x[0],
y: y[0],
width: w[0],
height: h[0]
},
crop: function (e) {
x[0] = e.detail.x
y[0] = e.detail.y
w[0] = e.detail.width
h[0] = e.detail.height
},
viewMode: 2,
zoomOnWheel: false,
autoCropArea: 1,
minContainerWidth: parseInt($('.editimage').width()),
minContainerHeight: parseInt($('.editimage').height())
};
var cropper = new Cropper(image[0],options);
});
function save_data(){
var temp = location.href.split('/').slice(-2)
var id = [temp[0]]
$.ajax({
url : '/admin/galleries/save_crop',
dataType : "json",
type : "post",
data:{x:x,y:y,w:w,h:h,id:id},
success:function(data){
window.location.href = data.href;
},
error:function(){
alert('Your server has some problem, please try again later!')
}
})
}
</script>