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Let the user choose the archive he wants to use, among the ones found on
the sdcard
This commit is contained in:
mossroy
parent
9eb9e9c01a
commit
69256e089c
@ -42,20 +42,17 @@ License:
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<h1>Evopedia</h1>
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<input type="button" id="showHideAbout" value="About" />
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<div id="about">
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<div id="about" style="display: none;">
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This is a preliminary work on the port of Evopedia (offline wikipedia reader) in HTML5/Javascript, with Firefox OS as the primary target
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<br />
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The original application is at <a href="http://www.evopedia.info/">http://www.evopedia.info/</a>
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<br />
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<br />
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To use it, you have to first download locally a dump from <a href="http://dumpathome.evopedia.info/dumps/finished">http://dumpathome.evopedia.info/dumps/finished</a> (with a Bittorrent client), and select some of the dowloaded files below.
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<br />
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I have tested it with the <a href="http://evopedia.info/dumps/wikipedia_small_2010-08-14.torrent">small dump (2010-08-14)</a>, the <a href="http://evopedia.info/dumps/wikipedia_fr_2013-02-16.torrent">French dump (2013-02-16)</a>, the <a href="http://evopedia.info/dumps/wikipedia_frwiktionary_2011-03-16.torrent">French wiktionary dump (2011-03-16)</a> and the <a href="http://evopedia.info/dumps/wikipedia_en_2012-02-11.torrent">English dump (2012-02-11)</a>
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<br />
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To use it, you have to first download locally a dump from <a href="http://dumpathome.evopedia.info/dumps/finished">http://dumpathome.evopedia.info/dumps/finished</a> (with a Bittorrent client).
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<br />
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<ul>
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<li>On desktops, it works on recent Firefox and Chrome, and maybe on other browsers</li>
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<li>On the Firefos OS simulator, you have to put the archive files in a "fake-sdcard/evopedia" folder of your firefox profile (ex : ~/.mozilla/firefox/xxxx.default/extensions/r2d2b2g@mozilla.org/profile/fake-sdcard). It looks for evopedia/*/titles.idx in it. You also need to install the application from the dashboard of the simulator instead of accessing via the browser (due to security restrictions in Firefox OS : only certified webapps can access the sdcard)</li>
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<li>On desktops, it works on recent Firefox and Chrome, and maybe on other browsers. In this case, you have to select manually some files from your dump</li>
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<li>On the Firefos OS simulator, you have to put the archive files in a "fake-sdcard/evopedia" folder of your firefox profile (ex : ~/.mozilla/firefox/xxxx.default/extensions/r2d2b2g@mozilla.org/profile/fake-sdcard). It looks for evopedia/*/titles.idx in it. You need to install the application from the dashboard of the simulator (due to security restrictions in Firefox OS : only certified webapps can access the sdcard)</li>
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<li>On a real Firefox OS device, you also have to put the archive files in an "evopedia" directory at the root of your sdcard, so that it finds a file /evopedia/*/titles.idx on it</li>
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</ul>
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<br />
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@ -64,7 +61,6 @@ License:
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<li>The performance has to be optimized when reading an article</li>
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<li>Some searches (for example with prefix "a" on the French dump) do not give any result even if they should</li>
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<li>In some cases, the links inside an article do not work, or do not lead to the right article</li>
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<li>On a real device, reading an article sometimes crashes because it loads too many things in memory</li>
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<li>It is hardly usable on a device because the buttons and inputs are too small</li>
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</ul>
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<br />
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@ -74,6 +70,12 @@ License:
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id="titleFile" /><br /> Please select the files wikipedia_*.dat
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from the same dump :<br /> <input type="file" id="dataFiles" multiple />
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</div>
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<div id="scanningForArchives" style="display: none;">
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<br /> Scanning your sdcard for archives... Please wait
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</div>
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<div id="chooseArchiveFromLocalStorage" style="display: none;">
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<br /> Please select the archive you want to use : <select id="archiveList"></select>
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</div>
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<br /> Find titles starting with :
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<input type="text" id="prefix" value="" />
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<input type="button" id="searchTitles" value="Search titles" />
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@ -50,8 +50,9 @@ define(function(require) {
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if (storage != null) {
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// If DeviceStorage is available, we look for archives in it
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$('#scanningForArchives').show();
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var directory = 'evopedia';
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evopedia.LocalArchive.scanForArchives(storage,directory,selectFirstArchive);
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evopedia.LocalArchive.scanForArchives(storage,directory,populateDropDownListOfArchives);
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}
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else {
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// If DeviceStorage is not available, we display the file select components
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@ -66,12 +67,35 @@ define(function(require) {
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};
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/**
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* Selects the first archive found on device storage
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* Populate the drop-down list of titles with the given list
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*/
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function selectFirstArchive(archiveDirectories) {
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function populateDropDownListOfArchives(archiveDirectories) {
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$('#scanningForArchives').hide();
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$('#chooseArchiveFromLocalStorage').show();
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var comboArchiveList = document.getElementById('archiveList');
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comboArchiveList.options.length = 0;
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for (var i=0; i<archiveDirectories.length; i++) {
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var archiveDirectory = archiveDirectories[i];
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comboArchiveList.options[i] = new Option (archiveDirectory, archiveDirectory);
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}
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$('#archiveList').on('change', setLocalArchiveFromArchiveList);
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if (archiveDirectories.length>0) {
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// Set the localArchive from the first result
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setLocalArchiveFromArchiveList();
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}
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else {
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alert("No Evopedia archive found in your sdcard. Please see 'About' for more info");
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}
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}
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/**
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* Sets the localArchive from the selected archive in the drop-down list
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*/
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function setLocalArchiveFromArchiveList() {
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var archiveDirectory = $('#archiveList').val();
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localArchive = new evopedia.LocalArchive();
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localArchive.readTitleFile(storage, archiveDirectories[0]);
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localArchive.readDataFiles(storage, archiveDirectories[0], 0);
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localArchive.readTitleFile(storage, archiveDirectory);
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localArchive.readDataFiles(storage, archiveDirectory, 0);
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}
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/**
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@ -83,6 +107,9 @@ define(function(require) {
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$('#titleFile').on('change', setLocalArchiveFromFileSelect);
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}
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/**
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* Sets the localArchive from the File selects populated by user
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*/
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function setLocalArchiveFromFileSelect() {
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dataFiles=document.getElementById('dataFiles').files;
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titleFile=document.getElementById('titleFile').files[0];
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@ -445,7 +445,6 @@ define(function(require) {
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// We want to return the directory where titles.idx is stored
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var directory = fileName.substring(0, fileName.lastIndexOf('/'));
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console.log(directory);
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directories.push(directory);
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cursor.continue();
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}
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@ -455,12 +454,17 @@ define(function(require) {
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};
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};
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/**
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* Utility function : return true if the given string ends with the suffix
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* @param str
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* @param suffix
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* @returns {Boolean}
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*/
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function endsWith(str, suffix) {
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return str.indexOf(suffix, str.length - suffix.length) !== -1;
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}
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/**
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* Title class : defines the title of an article and some methods to manipulate it
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*/
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