Fix: download the latest version regardless of the number, documentation & small refactor
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e4dfb1b147
commit
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241
src/main.js
241
src/main.js
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@ -9,7 +9,7 @@ var Conf = {
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,defaultModule: 'tpv'
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,defaultLocale: 'es'
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,dbName: 'vn2008'
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,maxSize: 500
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,maxCorruptSize: 600
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};
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var Locale = {
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@ -208,12 +208,10 @@ var App = {
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onEnterClick: function() {
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this.disableUi(true, _('Loading'));
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setTimeout(function() { App.login(); }, 0);
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setTimeout(function() { App.login(); });
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},
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login: function() {
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var downloadVersion;
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try {
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var user = this.$('user').value;
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var password = this.$('password').value;
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@ -226,13 +224,22 @@ var App = {
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this.regWrite(Conf.dsPath, 'UID', user, 'REG_SZ');
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this.regWrite(Conf.dsPath, 'PWD', password, 'REG_SZ');
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if (hasToUpdate.call(this)) {
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var version = this.fetchVersion();
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if (version) {
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this.disableUi(true, _('Updating'));
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var remoteFile = Conf.remoteUrl;
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remoteFile += downloadVersion
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? '/.archive/'+ this.module +'/'+ downloadVersion
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: '/'+ this.module;
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remoteFile += '.7z';
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var remoteFile;
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if (version.code == 'last') {
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remoteFile = this.module +'.7z';
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remoteFile += version.number
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? 'v'+ version.number
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: new Date().getTime();
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} else {
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remoteFile = '.archive/'+ this.module +'/'+ version.number;
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}
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remoteFile = Conf.remoteUrl +'/'+ remoteFile;
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var request = new ActiveXObject('MSXML2.XMLHTTP');
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request.open('GET', remoteFile, true);
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@ -245,93 +252,107 @@ var App = {
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} catch (err) {
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this.catchError(err);
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}
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},
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function hasToUpdate() {
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// Gets the last version number using the MySQL ODBC connection
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var mysqlConn = new ActiveXObject('ADODB.Connection');
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try {
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mysqlConn.open(Conf.dsName);
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} catch (err) {
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var dbErrors = mysqlConn.errors;
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if (dbErrors.count > 0) {
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var newErr;
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var dbError = dbErrors.item(0);
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switch (dbError.NativeError) {
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case 1045: // Access denied
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clearPassword = true;
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newErr = new Error(_('Bad login'));
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newErr.code = 'BadLogin';
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break;
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case 2003: // Can't connect
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newErr = new Error(_('Server can\'t be reached'));
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break;
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default:
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errorMsg = dbError.description;
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}
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dbErrors.clear();
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throw newErr;
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} else
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throw err;
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}
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/**
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* Gets information about the version to download.
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*
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* @return {Object} Version information or %null if local is up-to-date
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*/
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fetchVersion: function() {
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// Gets the last version number using the MySQL ODBC connection
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var sql = "SELECT version FROM versiones WHERE programa = '"+ this.module +"'";
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var rs = mysqlConn.execute(sql);
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downloadVersion = rs.EOF ? 0 : parseInt(rs.fields(0).value);
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rs.close();
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mysqlConn.close();
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if (this.$('previous-version').checked && downloadVersion > 1)
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downloadVersion -= 1;
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// Checks if it's already open
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if (this.fso.fileExists(this.lockFile))
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try {
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this.fso.deleteFile(this.lockFile);
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return true;
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} catch (e) {
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throw new Error(_('Application it\'s already open'));
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}
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// Checks if MDB exists
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if (!this.fso.fileExists(this.mdbFile))
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return true;
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// If it's abnormaly bigger, maybe is corrupted, so force download
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var file = this.fso.getFile(this.mdbFile);
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if (file.size > Conf.maxSize * 1024 * 1024)
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return true;
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// Obtains the local version number from the MDB file
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var localVersion = -1;
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var mysqlConn = new ActiveXObject('ADODB.Connection');
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try {
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var mdbConn = new ActiveXObject('ADODB.Connection');
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mdbConn.open('Provider=Microsoft.Jet.OLEDB.4.0; Data Source='+ this.mdbFile +';');
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var oRs = new ActiveXObject('ADODB.Recordset');
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oRs.Open('SELECT Version FROM tblVariables', mdbConn);
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localVersion = oRs.EOF ? -1 : parseInt(oRs('Version'));
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oRs.close();
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mdbConn.close();
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} catch (e) {}
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// Compares the local version with the requested version
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try {
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mysqlConn.open(Conf.dsName);
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} catch (err) {
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var dbErrors = mysqlConn.errors;
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return localVersion != downloadVersion;
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if (dbErrors.count > 0) {
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var newErr;
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var dbError = dbErrors.item(0);
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switch (dbError.NativeError) {
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case 1045: // Access denied
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clearPassword = true;
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newErr = new Error(_('Bad login'));
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newErr.code = 'BadLogin';
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break;
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case 2003: // Can't connect
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newErr = new Error(_('Server can\'t be reached'));
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break;
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default:
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errorMsg = dbError.description;
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}
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dbErrors.clear();
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throw newErr;
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} else
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throw err;
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}
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var sql = "SELECT version FROM versiones WHERE programa = '"+ this.module +"'";
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var rs = mysqlConn.execute(sql);
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var lastVersion = rs.EOF ? null : parseInt(rs.fields(0).value);
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var version = {
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code: 'last',
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number: lastVersion
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};
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rs.close();
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mysqlConn.close();
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if (this.$('previous-version').checked && lastVersion > 1)
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version = {
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code: 'previous',
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number: lastVersion - 1
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};
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// Checks if it's already open
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if (this.fso.fileExists(this.lockFile))
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try {
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this.fso.deleteFile(this.lockFile);
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return version;
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} catch (e) {
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throw new Error(_('Application it\'s already open'));
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}
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// Checks if MDB exists
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if (!this.fso.fileExists(this.mdbFile))
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return version;
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// If it's abnormaly bigger, maybe is corrupted, so force download
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var file = this.fso.getFile(this.mdbFile);
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if (file.size > Conf.maxCorruptSize * 1024 * 1024)
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return version;
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// Obtains the local version number from the MDB file
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var localVersion;
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try {
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var mdbConn = new ActiveXObject('ADODB.Connection');
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mdbConn.open('Provider=Microsoft.Jet.OLEDB.4.0; Data Source='+ this.mdbFile +';');
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var oRs = new ActiveXObject('ADODB.Recordset');
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oRs.Open('SELECT Version FROM tblVariables', mdbConn);
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localVersion = oRs.EOF ? -1 : parseInt(oRs('Version'));
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oRs.close();
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mdbConn.close();
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} catch (e) {}
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// Compares the local version with the requested version
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return !localVersion || localVersion != version.number
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? version
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: null;
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},
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onRequestReady: function(request) {
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@ -396,8 +417,20 @@ var App = {
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this.showMessage(err.message, 'error');
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this.resetForm(clearPassword);
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},
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/**
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* Displays a non-intrusive message.
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*
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* @param {String} message Message to display
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* @param {String<error|notice>} className Message type
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*/
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showMessage: function(message, className) {
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setTimeout(function() {
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App.showMessageAsync(message, className);
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});
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},
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showMessageAsync: function(message, className) {
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if (this.messageTimeout)
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clearTimeout(this.messageTimeout);
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@ -405,13 +438,18 @@ var App = {
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messageDiv.className = className;
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messageDiv.innerHTML = message;
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messageDiv.style.display = 'block';
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this.messageTimeout = setTimeout(function() { App.hideMessage(); }, 10000);
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this.messageTimeout = setTimeout(function() {
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App.hideMessage();
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}, 10000);
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},
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onBodyClick: function() {
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this.hideMessage();
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},
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/**
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* Hides the last displayed non-intrusive message.
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*/
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hideMessage: function() {
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if (this.messageTimeout) {
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this.$('message').style.display = 'none';
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@ -420,10 +458,11 @@ var App = {
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}
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},
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onUnload: function() {
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this.disableUi(false);
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},
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/**
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* Obtains a DOM element by it's identifier.
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*
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* @param {String} id The element id
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*/
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$: function(id) {
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return document.getElementById(id);
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},
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@ -456,6 +495,10 @@ var App = {
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regWrites: function(path, type, values) {
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for(var key in values)
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this.regWrite(path, key, values[key], type);
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},
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onUnload: function() {
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this.disableUi(false);
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}
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};
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