Merge branch 'develop'

Author: pkempenaers

src/app/component/dropdownTree.controller.js

@@ -249,7 +249,7 @@
 
 getButtonText() {
 if (angular.isFunction(this.settings.getButtonText)) {
-return this.settings.getButtonText(this.selectedOptions, this.options);
+return this.settings.getButtonText(this.selectedOptions, this.options, this.texts);
 }
 if (this.selectedOptions.length === 0) {
 return `Select ${this.texts.optionNames}`;

src/app/main/main.template.html

@@ -258,7 +258,7 @@ <h3>Settings</h3>
 <td>undefined</td>
 <td>function</td>
 <td>
-Should return the string that you want to display in the dropdown toggle. Is called with as first argument the current selection and second argument the selection-array.
+Should return the string that you want to display in the dropdown toggle. Is called with as first argument the current selection, second argument the selection-array and third argument the texts object.
 </td>
 </tr>
 </tbody>