deploy dev version

dev/js/utils/FileUtilsDesktop.js

@@ -0,0 +1,77 @@
+(function () {
+  var ns = $.namespace('pskl.utils');
+
+  var getFileInputElement = function (nwsaveas, accept) {
+    var fileInputElement = document.createElement('INPUT');
+    fileInputElement.setAttribute('type', 'file');
+    fileInputElement.setAttribute('nwworkingdir', '');
+    if (nwsaveas) {
+      fileInputElement.setAttribute('nwsaveas', nwsaveas);
+    }
+    if (accept) {
+      fileInputElement.setAttribute('accept', accept);
+    }
+
+    return fileInputElement;
+  };
+
+  ns.FileUtilsDesktop = {
+    chooseFilenameDialog : function (nwsaveas, accept) {
+      var deferred = Q.defer();
+      var fileInputElement = getFileInputElement(nwsaveas, accept);
+      var changeListener = function (evt) {
+        fileInputElement.removeEventListener('change', changeListener);
+        document.removeEventListener('click', changeListener);
+        deferred.resolve(fileInputElement.value);
+      };
+
+      // fix for issue #322 :
+      window.setTimeout(function () {
+        fileInputElement.click();
+        fileInputElement.addEventListener('change', changeListener);
+        // there is no way to detect a cancelled fileInput popup
+        // as a crappy workaround we add a click listener on the document
+        // on top the change event listener
+        // todo : listen to dirty check instead
+        document.addEventListener('mousedown', changeListener);
+      }, 50);
+
+      return deferred.promise;
+    },
+
+    /**
+     * Save data directly to disk, without showing a save dialog
+     * Requires Node-Webkit environment for file system access
+     * @param content - data to be saved
+     * @param {string} filename - fill path to the file
+     * @callback callback
+     */
+    saveToFile : function(content, filename) {
+      var deferred = Q.defer();
+      var fs = window.require('fs');
+      fs.writeFile(filename, content, function (err) {
+        if (err) {
+          deferred.reject('FileUtilsDesktop::savetoFile() - error saving file: ' + filename + ' Error: ' + err);
+        } else {
+          deferred.resolve();
+        }
+      });
+
+      return deferred.promise;
+    },
+
+    readFile : function(filename) {
+      var deferred = Q.defer();
+      var fs = window.require('fs');
+      // NOTE: currently loading everything as utf8, which may not be desirable in future
+      fs.readFile(filename, 'utf8', function (err, data) {
+        if (err) {
+          deferred.reject('FileUtilsDesktop::readFile() - error reading file: ' + filename + ' Error: ' + err);
+        } else {
+          deferred.resolve(data);
+        }
+      });
+      return deferred.promise;
+    }
+  };
+})();