spee.ch/public/assets/js/dropzoneFunctions.js
2017-10-30 10:07:23 -07:00

56 lines
2 KiB
JavaScript

function triggerFileChooser(fileInputId, event) {
document.getElementById(fileInputId).click();
}
function drop_handler(event) {
event.preventDefault();
// if dropped items aren't files, reject them
var dt = event.dataTransfer;
if (dt.items) {
if (dt.items[0].kind == 'file') {
var droppedFile = dt.items[0].getAsFile();
previewAndStageFile(droppedFile);
}
}
}
function dragover_handler(event) {
event.preventDefault();
}
function dragend_handler(event) {
var dt = event.dataTransfer;
if (dt.items) {
for (var i = 0; i < dt.items.length; i++) {
dt.items.remove(i);
}
} else {
event.dataTransfer.clearData();
}
}
function dragenter_handler(event) {
var thisDropzone = document.getElementById(event.target.id);
thisDropzone.setAttribute('class', 'dropzone dropzone--drag-over row row--margined row--padded row--tall flex-container--column flex-container--center-center');
thisDropzone.firstElementChild.setAttribute('class', 'hidden');
thisDropzone.lastElementChild.setAttribute('class', '');
}
function dragexit_handler(event) {
var thisDropzone = document.getElementById(event.target.id);
thisDropzone.setAttribute('class', 'dropzone row row--tall row--margined row--padded flex-container--column flex-container--center-center');
thisDropzone.firstElementChild.setAttribute('class', '');
thisDropzone.lastElementChild.setAttribute('class', 'hidden');
}
function preview_onmouseenter_handler () {
document.getElementById('asset-preview-dropzone-instructions').setAttribute('class', 'flex-container--column flex-container--center-center position-absolute');
document.getElementById('asset-preview').style.opacity = 0.2;
}
function preview_onmouseleave_handler () {
document.getElementById('asset-preview-dropzone-instructions').setAttribute('class', 'hidden');
document.getElementById('asset-preview').style.opacity = 1;
}