Stirling-PDF/src/main/resources/static/js/fileInput.js
2023-06-02 20:15:10 +01:00

45 lines
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1.4 KiB
JavaScript

document.addEventListener('DOMContentLoaded', function() {
const fileInput = document.getElementById(elementID);
// Prevent default behavior for drag events
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
fileInput.addEventListener(eventName, preventDefaults, false);
});
function preventDefaults(e) {
e.preventDefault();
e.stopPropagation();
}
// Add drop event listener
fileInput.addEventListener('drop', handleDrop, false);
function handleDrop(e) {
const dt = e.dataTransfer;
const files = dt.files;
fileInput.files = files;
handleFileInputChange(fileInput)
}
});
$(elementID).on("change", function() {
handleFileInputChange(this);
});
function handleFileInputChange(inputElement) {
const files = $(inputElement).get(0).files;
const fileNames = Array.from(files).map(f => f.name);
const selectedFilesContainer = $(inputElement).siblings(".selected-files");
selectedFilesContainer.empty();
fileNames.forEach(fileName => {
selectedFilesContainer.append("<div>" + fileName + "</div>");
});
console.log("fileNames.length=" + fileNames.length)
if (fileNames.length === 1) {
$(inputElement).siblings(".custom-file-label").addClass("selected").html(fileNames[0]);
} else if (fileNames.length > 1) {
$(inputElement).siblings(".custom-file-label").addClass("selected").html(fileNames.length + " " + filesSelected);
} else {
$(inputElement).siblings(".custom-file-label").addClass("selected").html(pdfPrompt);
}
}