145 lines
4.9 KiB
JavaScript
145 lines
4.9 KiB
JavaScript
;"use strict";
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var contented = (function($, currentScriptPath) {
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"use strict";
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var baseURL = currentScriptPath.replace('sdk.js', '');
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/**
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* contented_SupportsDrop returns whether drag-and-drop is supported by this
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* browser.
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*
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* @return bool
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*/
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var contented_SupportsDrop = function() {
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return ('ondrop' in window && 'FormData' in window && 'FileReader' in window);
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}
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/**
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* contented_EnableDrop enables drag-and-drop upload on a DOM element.
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* The class "is-dragover" will be toggled on the target element.
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*
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* @param any element Drop target (string selector / DOMElement / jQuery)
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* @param Function onUploaded Called with a property object for every uploaded file
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* @param Function onClose Called when the widget should be destroyed
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*/
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var contented_EnableDrop = function(elementSelector, onUploaded, onClose) {
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onUploaded = onUploaded || function(){};
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onClose = onClose || function(){};
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if ($(elementSelector).length != 1) {
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return; // should only find one element
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}
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var element = $(elementSelector)[0];
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// <input type="hidden" name="MAX_FILE_SIZE" value="` + ret.MaxUploadBytes + `" />
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// Create a new div for ourselves on top of the existing area
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$.get(baseURL + "about", function(ret) {
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$("title").text( ret.AppTitle );
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var extraText = "";
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if (ret.MaxUploadBytes > 0) {
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extraText = " (max " + Math.floor(ret.MaxUploadBytes / (1024*1024)) + " MiB)";
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}
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$.get(baseURL + "widget.html", function(widgetHtml) {
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var $f = $("<div>").html(widgetHtml);
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$f.find(".contented-extratext").text(extraText);
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var ourClose = function() {
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$f.remove(); // remove from dom
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onClose(); // upstream close
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};
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$f.find(".contented-close").click(function() {
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ourClose();
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})
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var setType = function(type) {
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$f.find(".contented-upload-type").removeClass("contented-upload-type-active");
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$f.find(".contented-upload-type[data-upload-type=" + type + "]").addClass("contented-upload-type-active");
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$f.find(".contented-upload-if").removeClass("contented-active");
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$f.find(".contented-if-" + type).addClass("contented-active");
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};
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$f.find(".contented-upload-type").click(function() {
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setType( $(this).attr('data-upload-type') );
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});
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if (!contented_SupportsDrop()) {
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// switch default
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setType('file');
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}
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//
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var $element = $(element);
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var offset = $element.offset();
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$f.css({
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'position': 'absolute',
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'left': offset.left + "px",
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'top': offset.top + "px",
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'width': $element.width() + "px",
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'min-width': $element.width() + "px",
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'max-width': $element.width() + "px",
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'height': $element.height() + "px",
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'min-height': $element.height() + "px",
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'max-height': $element.height() + "px"
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});
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$f.find('.contented').on('dragover dragenter', function(e) {
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e.preventDefault();
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e.stopPropagation();
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$(this).addClass('is-dragging');
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});
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$f.find('.contented').on('dragleave dragend', function(e) {
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e.preventDefault();
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e.stopPropagation();
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$(this).removeClass('is-dragging');
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});
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$f.find('.contented').on('drag', function(e) {
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input.files = event.originalEvent.dataTransfer.files;
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refreshCaption();
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setType("progress");
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// Ajax uploader
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// TODO
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form.submit();
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});
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$("body").append($f);
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});
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});
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}
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//
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return {
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'supportsDrop': contented_SupportsDrop,
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'init': contented_EnableDrop
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};
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})(
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jQuery,
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(function() {
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// Determine current script path
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// @ref https://stackoverflow.com/a/26023176
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var scripts = document.querySelectorAll( 'script[src]' );
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var currentScript = scripts[ scripts.length - 1 ].src;
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var currentScriptChunks = currentScript.split( '/' );
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var currentScriptFile = currentScriptChunks[ currentScriptChunks.length - 1 ];
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return currentScript.replace( currentScriptFile, '' );
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})()
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);
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