The new version v1.7 of TMS WEB Core has
been in development for about 6 months by now. Many of its features were
already in development in parallel to v1.6. And yes, our team already is working
on v1.8! It will not come as a surprise to you that in v1.7 there are new
game-changing features in TMS WEB Core also.

Those who have been following the TMS WEB
Core development since the first version TMS WEB Core v1.0 Brescia will know
that we name the releases after cities along the famous historic race “MilleMiglia”. To be more precise, the legendary race of 1955. And as such, after we
visited the city Pesaro with v1.6, for v1.7 we land in Ancona. The historical
meaning of the word “Ancona” is elbow which is commonly associated with the
shape of the coastline. After the ‘elbow’ Ancona, there are new sights towards
the more southern coasts of Italy.

Enough history! Let’s bring an overview of
what our team has been working on for TMS WEB Core v1.7 Ancona.

1) Components wrapping browser API for local file access

The W3C consortium proposed an API forlocal file access from Web browser applications and Google Chrome implements it
already. Given that Microsoft uses the Google Chromium engine, it is also available
in Microsoft Edge Chromium. With TMS WEB Core, you can take a head start, explore,
and start using this with its three components today:

• TWebLocalTextFile
• TWebLocalBinaryFile
• TWebLocalFolder.

These components allow you to directly open
text and binary files from the local file system as well as traverse the local
file system’s folder structure from a Web application. Of course, for security
reasons, the users have to give their consent first.

2) Popup menu component and popup menu support in components

In TMS WEB Core, we offered the regular
TWebMainMenu since its inception and now we completed this trend with the new
TWebPopupMenu. It works very similar to a Windows VCL TPopupMenu. Simply drop a
TWebPopupMenu on your Web forms and assign it to control.PopupMenu to obtain an
automatic context menu for controls.

3) USB device access

The times that software developers thought
you could never use a Web application for controlling your machine’s hardware
are officially over. We already introduced support for Bluetooth with our
TWebBluetooth component, and with this release we add two new components
TWebUSBSerial and TWebUSBHID that allow you to write applications communicating
with locally connected USB devices using a serial protocol or the HID protocol.
This opens up a whole new field of applications that can be implemented using Web
technologies.

4) TWebStringGrid & TWebDBGrid extensions

We added a whole range of new grid features
in TWebStringGrid and TWebDBGrid. There are now:

• Methods to insert & remove rows
• A range of different inplace editor types
• Cell merging and cell splitting
• Loading and saving to streams
• Loading from a stringlist with CSV data
• Direct access to grid data as TJSArray
• Add checkboxes to the grid

5) Async methods

There is no way around it in the Web
browser, there are different APIs that can only be used in an asynchronous way.
The reason for this is very clear: Always guarantee a responsive UI even when
lengthy operations are taking place in the application.

Many developers struggle with implementing
sequential logic for processes that occur asynchronously. We already offered
anonymous methods that can be used to handle results of methods asynchronously,
but, in v1.7, we added a whole range of async methods to classes. With a simple
await() construct around an async method, you can write your code as-if it were
synchronous and sequential, but, behind the scenes, the browser still handles
it asynchronously and keeps your UI responsive. The components to perform HTTP(S)
requests for example, load data from a URL, load images from URL, etc… now
all have async equivalents making you write code that is cleaner and consequently
easier to maintain.

var
  ms: TMemoryStream;
begin
  ms := TMemoryStream.Create;
  try
    await(boolean,ABinaryFile.LoadStream(ms));
    ms.Position := 0;
    webmemo2.lines.LoadFromStream(ms);
  finally
    ms.Free;
  end;
end;

6) Miletus framework

This is probably the biggest feature of TMS WEB Core v1.7! Miletus is a framework for creating native desktop applications with Web technologies. It permits to create wonderful and modern user-interfaces using (and in many cases reusing) HTML/CSS templates.

Still, it allows to run as a desktop application and to access desktop features normally reserved for a native desktop app. This includes:

• local file access
• operating system menu
• drag & drop interaction
  with the operating system
• access to the taskbar
• access to local databases (SQLite, MSSQL, PostgreSQL, mySQL, MS Access)
• so much more… 

This first introduction of Miletus in TMS
WEB Core offers the capability to create Win32 and Win64 native single EXE file
applications with a size below 10MB. And in the near future, we will add macOS
and Linux to that.

Stay tuned for another blog with a more
detailed overview of the Miletus features. An additional benefit of Miletus is
that we developed this framework from the ground up as opposed to a similar
framework called Electron that is from a 3rd party. This means that for the
future, we have full control to design any feature set we want for Miletus.

7) TWebSocketClient method added to send & receive binary data

When communicating with a web socket
server, TWebSocketClient can now directly send & receive binary data
whereas in previous versions this had to be sent as Base64 encoded string data.

8) TWebForm extended

We added more flexibility to the TWebForm. This includes:

• Option to have a close button in the caption
• Property to choose whether a shadow border is used or not
• ElementCaptionClassName property added to allow the use of CSS for the caption
• OnDOMContentLoaded event added, that signals when the browser loaded the entire DOM content
• OnHashChange event added to handle browser back & forward buttons

9) New server-side filtering + multi-tenant support in TWebFireStoreClientDataSet

We have also significantly improved
TWebFireStoreClientDataSet. Now, TWebFireStoreClientDataSet supports to create
more flexible and more performant Web client applications using Google’s
Firestore as the backend for data storage. In the new version, it is possible
to specify server-side filters. This facilitates not only multi-tenant
scenarios but also increases performance by minimizing data returned from the
server.

10) Numerous smaller extensions & improvements to various components & IDE integration

Not only was the TMS WEB Core framework improved
in almost any corner, the IDE integration got further fine-tuning as well. The
capability to use environment variables in the compiler path with the $()
syntax was added. The same is possible with custom compiler directives. And
finally, also the pas2js compiler & RTL were updated to the latest version
v2.0.4.

Planning

The first step is that we will release the
beta version of TMS WEB Core v1.7 in the next few days to all TMS ALL-ACCESS
users and registered users of TMS WEB Core. We expect the upgrade process
should be smooth and painless as we paid a huge amount of attention to
backwards compatibility. This is proven by the fact that we did not have to make
any modifications to the meanwhile over 100 demos included. However, we want to
put the v1.7 beta into your hands first and listen closely to your feedback.
That allows us to apply further polish where needed.

After this beta period, TMS WEB Core v1.7
Ancona will be officially released, and our team will continue to work hard on
the next milestones.