mirror of https://github.com/ColorlibHQ/gentelella
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
jQuery(function ($) {
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"use strict";
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/**
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* Reset the message.
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*/
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function resetMessage () {
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$("#result")
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.removeClass()
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.text("");
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}
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/**
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* show a successful message.
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* @param {String} text the text to show.
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*/
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function showMessage(text) {
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resetMessage();
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$("#result")
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.addClass("alert alert-success")
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.text(text);
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}
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/**
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* show an error message.
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* @param {String} text the text to show.
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*/
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function showError(text) {
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resetMessage();
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$("#result")
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.addClass("alert alert-danger")
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.text(text);
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}
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/**
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* Fetch the content, add it to the JSZip object
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* and use a jQuery deferred to hold the result.
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* @param {String} url the url of the content to fetch.
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* @param {String} filename the filename to use in the JSZip object.
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* @param {JSZip} zip the JSZip instance.
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* @return {jQuery.Deferred} the deferred containing the data.
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*/
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function deferredAddZip(url, filename, zip) {
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var deferred = $.Deferred();
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JSZipUtils.getBinaryContent(url, function (err, data) {
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if(err) {
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deferred.reject(err);
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} else {
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zip.file(filename, data, {binary:true});
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deferred.resolve(data);
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}
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});
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return deferred;
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}
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if(!JSZip.support.blob) {
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showError("This demo works only with a recent browser !");
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return;
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}
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var $form = $("#download_form").on("submit", function () {
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resetMessage();
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var zip = new JSZip();
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var deferreds = [];
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// find every checked item
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$(this).find(":checked").each(function () {
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var $this = $(this);
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var url = $this.data("url");
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var filename = url.replace(/.*\//g, "");
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deferreds.push(deferredAddZip(url, filename, zip));
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});
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// when everything has been downloaded, we can trigger the dl
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$.when.apply($, deferreds).done(function () {
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var blob = zip.generate({type:"blob"});
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// see FileSaver.js
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saveAs(blob, "example.zip");
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showMessage("done !");
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}).fail(function (err) {
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showError(err);
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});
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return false;
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});
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});
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// vim: set shiftwidth=4 softtabstop=4:
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