147 lines
3.8 KiB
JavaScript
147 lines
3.8 KiB
JavaScript
(function ($) {
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var info, outData, $container, $throbber, throbberText, majorVersion, minorVersion;
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/**
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* Generate html for version select.
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*
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* @param {Object} versions
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* @returns {String}
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*/
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var getVersionSelect = function (versions) {
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var html = '';
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for (var id in versions) {
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html += '<option value="' + id + '">' + versions[id] + '</option>';
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}
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if (html !== '') {
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html = '<select>' + html + '</select>';
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return html;
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}
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};
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/**
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* Process the current batch of parameters.
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*
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* @param {Object} params
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*/
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var processParameters = function (inData) {
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var upgraded = {};
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var i = 0;
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for (var id in inData.params) {
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if (!inData.params.hasOwnProperty(id)) {
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continue;
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}
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var param = JSON.parse(inData.params[id]);
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for (var major in H5PUpgrades) {
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if (!H5PUpgrades.hasOwnProperty(major) || major < info.majorVersion || major > majorVersion) {
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continue;
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}
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for (var minor in H5PUpgrades[major]) {
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if (!H5PUpgrades[major].hasOwnProperty(major) || minor <= info.minorVersion || minor > minorVersion) {
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continue;
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}
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param = H5PUpgrades[major][minor](param);
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}
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}
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upgraded[id] = JSON.stringify(param);
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i++;
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$throbber.text(throbberText + Math.round((info.total - inData.left + i) / (info.total / 100)) + ' %') ;
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}
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outData.params = JSON.stringify(upgraded);
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outData.token = inData.token;
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// Get next round of data to process.
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getParameters();
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};
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/**
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* Handles errors while processing parameters.
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*
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* @param {Object} params
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*/
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var process = function (inData) {
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// Script is loaded. Start processing.
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try {
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processParameters(inData);
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}
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catch (err) {
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$container.html('An error occurred while processing parameters: ' + err);
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}
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};
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/**
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* Get the next batch of parameters.
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*/
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var getParameters = function () {
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$.post(info.url, outData, function (inData) {
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if (!(inData instanceof Object)) {
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// Print errors from backend
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$container.html(inData);
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return;
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}
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if (inData.left === '0') {
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$container.html(info.done);
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return;
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}
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if (inData.script !== undefined) {
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$.ajax({
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dataType: 'script',
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cache: true,
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url: inData.script
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}).done(function () {
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// Start processing
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process(inData);
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}).fail(function () {
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$container.html('Error: Could not load upgrade script.');
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});
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return;
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}
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// Continue processing
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process(inData);
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});
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};
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// Initialize
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$(document).ready(function () {
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// Get library info
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info = H5PIntegration.getLibraryInfo();
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// Get and reset container
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$container = $('#h5p-admin-container').html('<p>' + info.message + '</p>');
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// Make it possible to select version
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var $version = $(getVersionSelect(info.versions)).appendTo($container);
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// Add "go" button
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$('<button/>', {
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class: 'h5p-admin-upgrade-button',
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text: info.buttonLabel,
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click: function () {
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outData = {
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libraryId: $version.val(),
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token: info.token
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};
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// Get version
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var version = info.versions[outData.libraryId];
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var versionLevels = version.split('.', 3);
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majorVersion = versionLevels[0];
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minorVersion = versionLevels[1];
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throbberText = 'Upgrading to ' + version + '...';
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$throbber = H5PUtils.throbber(throbberText);
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$container.html('').append($throbber);
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// Start upgrade progress
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getParameters();
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}
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}).appendTo($container);
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});
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})(H5P.jQuery); |