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A boilerplate for creating a brand new Widget for Mendix 5.6.0 and up
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Latest commit da70790 Apr 3, 2018

README.md

App Store Widget Boilerplate

This boilerplate gives you all you need to start a new custom widget for Mendix 5.6.0 and up.

The boilerplate contains:

  • Directory structure
  • Readme.md
  • License
  • JavaScript source
  • XSD for package.xml, to configure properties of the widget, visible inside the Mendix business modeler

Contributing

For more information on contributing to this repository visit Contributing to a GitHub repository!

Typical usage scenario

Use this template to start building a widget for Mendix 5. Alter this README.md file and describe what your widget does.

Description

The javascript inside the widget has examples of:

  • Using CSS within a widget
  • Using templating
  • Loading external library's
  • DOM manipulation
  • Event attaching
  • Loading data
  • Executing microflow and sending data
  • Working with the context object, which is an object in the current context (e.g. the one displayed in a DataView).

Dojo AMD module list

The JavaScript contains an extensive list of modules that may be used to build a widget. It is best to reduce this list to what is actually used. Use JSHint to help identify errors and problems.

** Be sure to keep the module name array and the parameter list of the anonymous function below the module list in sync! **

The following modules are necessary for all widgets:

  • dojo/_base/declare
  • mxui/widget/_WidgetBase
  • dijit/_Widget

If your widget does not use an HTML template:

  • Remove dijit/_TemplatedMixin from the module list
  • Remove _Templated from the parameter list of the anonymous function below the module list
  • Remove _Templated from the parameter list of the declare call
  • Remove the templates folder

If your widget does not need jQuery:

  • Remove WidgetName/widget/lib/jquery from the module list
  • Remove _jQuery from the parameter list of the anonymous function below the module list
  • Remove _jQuery from the parameter list of the declare call
  • Remove jquery.js from src\WidgetName\widget\lib\ Or remove the lib folder if you don't include external libraries in the widget.

AMD caveats

Working with jQuery can be difficult due to the fact that jquery does not adhere to the AMD standard correctly. Check out Pull Request #13 or the Dojo AMD documentation for details.

Migrating a widget to Dojo AMD

A widget that uses Dojo AMD may not refer to functions like dojo.forEach etc. All necessary modules must be declared on the module list at the top of the source.

Replacing all 'old' Dojo calls in an existing source can be a bit of a pain.

Here is a list of commonly used functions and their new counterpart:

Old New
mxui.dom domMx
dojo.byId dom.byId
dojo.query document.querySelector
dojo.forEach dojoArray.forEach
dojo.hitch lang.hitch
dojo.addClass domClass.add
dojo.removeClass domClass.remove
dojo.hasClass domClass.contains
dojo.replaceClass domClass.replace
dojo.empty domConstruct.empty
dojo.place domConstruct.place
dojo.on on
dojo.window win

The referenced modules are in the module list of the boilerplate JavaScript.

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