Online translation

api/src/main/java/edu/cornell/mannlib/vitro/webapp/i18n/I18nBundle.java

@@ -10,6 +10,9 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import edu.cornell.mannlib.vitro.webapp.utils.developer.DeveloperSettings;
+import edu.cornell.mannlib.vitro.webapp.utils.developer.Key;
+
 /**
  * A wrapper for a ResourceBundle that will not throw an exception, no matter
  * what string you request.
@@ -20,7 +23,9 @@
  */
 public class I18nBundle {
 	private static final Log log = LogFactory.getLog(I18nBundle.class);
-
+	private static final String startSep = "\u25a4";
+	private static final String endSep = "\u25a5";
+	private static final String intSep = "\u25a6";
 	private static final String MESSAGE_BUNDLE_NOT_FOUND = "Text bundle ''{0}'' not found.";
 	private static final String MESSAGE_KEY_NOT_FOUND = "Text bundle ''{0}'' has no text for ''{1}''";
 
@@ -75,13 +80,26 @@ public String text(String key, Object... parameters) {
 					key);
 			log.warn(message);
 			textString = "ERROR: " + message;
-		}
-		String result = formatString(textString, parameters);
+		}			
+		String message = formatString(textString, parameters);	
 
 		if (i18nLogger != null) {
-			i18nLogger.log(bundleName, key, parameters, textString, result);
+			i18nLogger.log(bundleName, key, parameters, textString, message);
 		}
-		return result;
+		if (isNeedExportInfo()) {
+			String separatedArgs = "";
+			for (int i = 0; i < parameters.length; i++) {
+				separatedArgs += parameters[i] + intSep;
+			}
+			return startSep + key + intSep + textString + intSep + separatedArgs + message + endSep;
+		} else {
+			return message;	
+		}
+
+	}
+
+	private static boolean isNeedExportInfo() {
+		return DeveloperSettings.getInstance().getBoolean(Key.I18N_ONLINE_TRANSLATION);
 	}
 
 	private static String formatString(String textString, Object... parameters) {

api/src/main/java/edu/cornell/mannlib/vitro/webapp/utils/developer/Key.java

@@ -43,7 +43,10 @@ public enum Key {
 	 * Load language property files every time they are requested.
 	 */
 	I18N_DEFEAT_CACHE("developer.i18n.defeatCache", true),
-
+	/**
+	 * Enable online translations.
+	 */
+	I18N_ONLINE_TRANSLATION("developer.i18n.onlineTranslation", true),
 	/**
 	 * Enable the I18nLogger to log each string request.
 	 */

home/src/main/resources/config/example.developer.properties

@@ -49,6 +49,7 @@
 
 # developer.i18n.defeatCache = false
 # developer.i18n.logStringRequests = false
+# developer.i18n.onlineTranslation = false
 
 
 #------------------------------------------------------------------------------

webapp/src/main/webapp/js/developer/FileSaver.js

@@ -0,0 +1,188 @@
+(function (global, factory) {
+  if (typeof define === "function" && define.amd) {
+    define([], factory);
+  } else if (typeof exports !== "undefined") {
+    factory();
+  } else {
+    var mod = {
+      exports: {}
+    };
+    factory();
+    global.FileSaver = mod.exports;
+  }
+})(this, function () {
+  "use strict";
+
+  /*
+  * FileSaver.js
+  * A saveAs() FileSaver implementation.
+  *
+  * By Eli Grey, http://eligrey.com
+  *
+  * License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
+  * source  : http://purl.eligrey.com/github/FileSaver.js
+  */
+  // The one and only way of getting global scope in all environments
+  // https://stackoverflow.com/q/3277182/1008999
+  var _global = typeof window === 'object' && window.window === window ? window : typeof self === 'object' && self.self === self ? self : typeof global === 'object' && global.global === global ? global : void 0;
+
+  function bom(blob, opts) {
+    if (typeof opts === 'undefined') opts = {
+      autoBom: false
+    };else if (typeof opts !== 'object') {
+      console.warn('Deprecated: Expected third argument to be a object');
+      opts = {
+        autoBom: !opts
+      };
+    } // prepend BOM for UTF-8 XML and text/* types (including HTML)
+    // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
+
+    if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+      return new Blob([String.fromCharCode(0xFEFF), blob], {
+        type: blob.type
+      });
+    }
+
+    return blob;
+  }
+
+  function download(url, name, opts) {
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url);
+    xhr.responseType = 'blob';
+
+    xhr.onload = function () {
+      saveAs(xhr.response, name, opts);
+    };
+
+    xhr.onerror = function () {
+      console.error('could not download file');
+    };
+
+    xhr.send();
+  }
+
+  function corsEnabled(url) {
+    var xhr = new XMLHttpRequest(); // use sync to avoid popup blocker
+
+    xhr.open('HEAD', url, false);
+
+    try {
+      xhr.send();
+    } catch (e) {}
+
+    return xhr.status >= 200 && xhr.status <= 299;
+  } // `a.click()` doesn't work for all browsers (#465)
+
+
+  function click(node) {
+    try {
+      node.dispatchEvent(new MouseEvent('click'));
+    } catch (e) {
+      var evt = document.createEvent('MouseEvents');
+      evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null);
+      node.dispatchEvent(evt);
+    }
+  } // Detect WebView inside a native macOS app by ruling out all browsers
+  // We just need to check for 'Safari' because all other browsers (besides Firefox) include that too
+  // https://www.whatismybrowser.com/guides/the-latest-user-agent/macos
+
+
+  var isMacOSWebView = /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent);
+  var saveAs = _global.saveAs || ( // probably in some web worker
+  typeof window !== 'object' || window !== _global ? function saveAs() {}
+  /* noop */
+  // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView
+  : 'download' in HTMLAnchorElement.prototype && !isMacOSWebView ? function saveAs(blob, name, opts) {
+    var URL = _global.URL || _global.webkitURL;
+    var a = document.createElement('a');
+    name = name || blob.name || 'download';
+    a.download = name;
+    a.rel = 'noopener'; // tabnabbing
+    // TODO: detect chrome extensions & packaged apps
+    // a.target = '_blank'
+
+    if (typeof blob === 'string') {
+      // Support regular links
+      a.href = blob;
+
+      if (a.origin !== location.origin) {
+        corsEnabled(a.href) ? download(blob, name, opts) : click(a, a.target = '_blank');
+      } else {
+        click(a);
+      }
+    } else {
+      // Support blobs
+      a.href = URL.createObjectURL(blob);
+      setTimeout(function () {
+        URL.revokeObjectURL(a.href);
+      }, 4E4); // 40s
+
+      setTimeout(function () {
+        click(a);
+      }, 0);
+    }
+  } // Use msSaveOrOpenBlob as a second approach
+  : 'msSaveOrOpenBlob' in navigator ? function saveAs(blob, name, opts) {
+    name = name || blob.name || 'download';
+
+    if (typeof blob === 'string') {
+      if (corsEnabled(blob)) {
+        download(blob, name, opts);
+      } else {
+        var a = document.createElement('a');
+        a.href = blob;
+        a.target = '_blank';
+        setTimeout(function () {
+          click(a);
+        });
+      }
+    } else {
+      navigator.msSaveOrOpenBlob(bom(blob, opts), name);
+    }
+  } // Fallback to using FileReader and a popup
+  : function saveAs(blob, name, opts, popup) {
+    // Open a popup immediately do go around popup blocker
+    // Mostly only available on user interaction and the fileReader is async so...
+    popup = popup || open('', '_blank');
+
+    if (popup) {
+      popup.document.title = popup.document.body.innerText = 'downloading...';
+    }
+
+    if (typeof blob === 'string') return download(blob, name, opts);
+    var force = blob.type === 'application/octet-stream';
+
+    var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari;
+
+    var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent);
+
+    if ((isChromeIOS || force && isSafari || isMacOSWebView) && typeof FileReader !== 'undefined') {
+      // Safari doesn't allow downloading of blob URLs
+      var reader = new FileReader();
+
+      reader.onloadend = function () {
+        var url = reader.result;
+        url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;');
+        if (popup) popup.location.href = url;else location = url;
+        popup = null; // reverse-tabnabbing #460
+      };
+
+      reader.readAsDataURL(blob);
+    } else {
+      var URL = _global.URL || _global.webkitURL;
+      var url = URL.createObjectURL(blob);
+      if (popup) popup.location = url;else location.href = url;
+      popup = null; // reverse-tabnabbing #460
+
+      setTimeout(function () {
+        URL.revokeObjectURL(url);
+      }, 4E4); // 40s
+    }
+  });
+  _global.saveAs = saveAs.saveAs = saveAs;
+
+  if (typeof module !== 'undefined') {
+    module.exports = saveAs;
+  }
+});

webapp/src/main/webapp/js/developer/developerPanel.js

@@ -52,6 +52,7 @@ function DeveloperPanel(developerAjaxUrl) {
 		document.getElementById("developer_pageContents_logCustomShortView").disabled = !developerEnabled;
 		document.getElementById("developer_i18n_defeatCache").disabled = !developerEnabled;
 		document.getElementById("developer_i18n_logStringRequests").disabled = !developerEnabled;
+		document.getElementById("developer_i18n_onlineTranslation").disabled = !developerEnabled;
 		document.getElementById("developer_loggingRDFService_enable").disabled = !developerEnabled;
 		document.getElementById("developer_searchIndex_enable").disabled = !developerEnabled;
 		document.getElementById("developer_searchIndex_logIndexingBreakdownTimings").disabled = !developerEnabled;