possibility to have columns with processing function

frontend-js/src/main/js/gui/export/NetworkExportPanel.js

@@ -7,6 +7,7 @@ var AbstractExportPanel = require('./AbstractExportPanel');
 var Promise = require("bluebird");
 var logger = require('../../logger');
 var GuiMessageError = require('../GuiMessageError');
+var Functions = require('../../Functions');
 
 /**
  *
@@ -257,18 +258,10 @@ NetworkExportPanel.prototype.createResponseString = function () {
  * @returns {Promise<string>}
  */
 NetworkExportPanel.prototype.createResponseRow = function (reaction, columns, miriamTypes, elementIds) {
-  var stringBuilder = [];
+  var valuePromises = [];
   var i, value;
   for (i = 0; i < columns.length; i++) {
-    var column = columns[i];
-    value = reaction[column.method]();
-    if (column.formatFunction !== undefined) {
-      value = column.formatFunction(value, reaction, elementIds);
-    }
-    if (value instanceof String || typeof value === "string") {
-      value = value.replace(/[\n\r]/g, ' ');
-    }
-    stringBuilder.push(value);
+    valuePromises.push(this._createResponseCell(reaction, columns[i], elementIds));
   }
   for (i = 0; i < miriamTypes.length; i++) {
     value = "";
@@ -280,9 +273,38 @@ NetworkExportPanel.prototype.createResponseRow = function (reaction, columns, mi
         value += reference.getResource() + ",";
       }
     }
-    stringBuilder.push(value);
+    valuePromises.push(value);
+  }
+  return Promise.all(valuePromises).then(function (values) {
+    return values.join("\t");
+  });
+};
+
+/**
+ *
+ * @param {Reaction} reaction
+ * @param {ExportColumn} column
+ * @param {Object<string,boolean>} elementIds
+ * @returns {Promise<string>}
+ * @private
+ */
+NetworkExportPanel.prototype._createResponseCell = function (reaction, column, elementIds) {
+  var valuePromise;
+  if (Functions.isString(column.method)) {
+    valuePromise = Promise.resolve(reaction[column.method]());
+  } else {
+    valuePromise = Promise.resolve(column.method(reaction, this.getProject()));
   }
-  return Promise.resolve(stringBuilder.join("\t"));
+
+  return valuePromise.then(function (value) {
+    if (column.formatFunction !== undefined) {
+      value = column.formatFunction(value, reaction, elementIds);
+    }
+    if (Functions.isString(value)) {
+      value = value.replace(/[\n\r]/g, ' ');
+    }
+    return value;
+  });
 };
 
 module.exports = NetworkExportPanel;