silverstripe-cms/javascript/ImageEditor/Activator.js

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JavaScript
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var ImageEditorActivator = {
initialize: function() {
this.onOpen = ImageEditorActivator.onOpen.bind(this);
},
onOpen: function() {
iframe = window.top.document.getElementById('imageEditorIframe');
if(iframe != null) {
iframe.parentNode.removeChild(iframe);
}
iframe = document.createElement('iframe');
fileToEdit = $('ImageEditorActivator').firstChild.src;
iframe.setAttribute("src","admin/ImageEditor?fileToEdit=" + fileToEdit);
iframe.id = 'imageEditorIframe';
iframe.style.width = "97%";
iframe.style.height = "300%";
iframe.style.zIndex = "1000";
iframe.style.position = "absolute";
iframe.style.top = "-2%";
iframe.style.left = "1.5%";
window.top.document.body.appendChild(iframe);
}
}