56 lines
No EOL
2 KiB
JavaScript
56 lines
No EOL
2 KiB
JavaScript
function showInstructions () {
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document.getElementById('preview-dropzone-instructions').setAttribute('class', 'flex-container flex-container--column flex-container--justify-center position-absolute');
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document.getElementById('asset-preview').style.opacity = 0.2;
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}
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function hideInstructions () {
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document.getElementById('preview-dropzone-instructions').setAttribute('class', 'hidden');
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document.getElementById('asset-preview').style.opacity = 1;
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}
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function triggerFileChooser(fileInputId, event) {
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document.getElementById(fileInputId).click();
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}
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function drop_handler(event) {
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dragexit_handler(event)
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event.preventDefault();
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// if dropped items aren't files, reject them
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var dt = event.dataTransfer;
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if (dt.items) {
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if (dt.items[0].kind == 'file') {
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var droppedFile = dt.items[0].getAsFile();
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previewAndStageFile(droppedFile);
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}
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}
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}
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function dragover_handler(event) {
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event.preventDefault();
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}
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function dragend_handler(event) {
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var dt = event.dataTransfer;
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if (dt.items) {
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for (var i = 0; i < dt.items.length; i++) {
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dt.items.remove(i);
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}
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} else {
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event.dataTransfer.clearData();
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}
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}
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function dragenter_handler(event) {
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var thisDropzone = document.getElementById(event.target.id);
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thisDropzone.setAttribute('class', 'dropzone dropzone--drag-over row row--margined row--padded row--tall flex-container flex-container--column flex-container--justify-center');
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thisDropzone.firstElementChild.setAttribute('class', 'hidden');
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thisDropzone.lastElementChild.setAttribute('class', '');
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}
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function dragexit_handler(event) {
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var thisDropzone = document.getElementById(event.target.id);
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thisDropzone.setAttribute('class', 'dropzone row row--tall row--margined row--padded flex-container flex-container--column flex-container--justify-center');
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thisDropzone.firstElementChild.setAttribute('class', '');
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thisDropzone.lastElementChild.setAttribute('class', 'hidden');
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} |