Introducing Dollar IDE – An Update on my Final Year Project

Dollar IDE - The Modern IDE for PHP

In the past few weeks, since the semester 1 exams in January, we third years have been blessed with some calm time without any exams to revise for or coursework to work on, just two days a week of lectures. During this free time I have been working on my final year project.

User Interface, Icons and a Name

As recently as two weeks ago I had very little to show anyone who asked to see my project due to it all being technical back-end stuff without user interaction, which was a shame as I’ve actually done a reasonable amount of work on it, however now I have developed some of the UI and finally have something I can ‘show off’.

My previously unnamed PHP IDE is now known as Dollar IDE, so called because of how all variables in PHP are denoted by a $ sign. At the top of this blog post you can see a fantastic logo which my friend, Harry Galuszka, who studies Graphic Design at Lincoln University designed for me.

The colour scheme I have chosen for the user interface and logos consists of various shades of purple,  an unusual choice for me because I don’t usually like the colour, however it is the ‘official’ colour of PHP, as you can see from the PHP.net website, and it also fits in quite well with the design language I am using, which is based on Microsoft’s Modern (formally metro) ideas.

The program doesn’t contain any bitmap images, instead I use XAML vectors, and is built using Windows Presentation Foundation meaning that the program works well on all screen resolutions and pixel densities, including Apples famous “retina displays”.

The main code editing screen isn’t ready to be shown off just yet, but below you can see some images of the “Start Screen”, which is the first window shown to the user when they launch the program. From here the user can opt to create a new Dollar IDE project, or open an existing Dollar IDE project or stand-alone PHP file. The 5 most recent projects and displayed in order to allow the user to rapidly get back to work on their website or web-app.

Dollar IDE - New Project Information Validation

Dollar IDE – New Project Information Validation

An important aspect of the start screen is its ability to inform the user of any issues in creating a new project before they continue, as you can see in the above screenshot issues are denoted by a red circle with a cross in, and fields which are OK are denoted by a green circle with a tick in.

This as-you-type validation means that mistakes can be spotted earlier, thus saving the user time and the exact cause of any issues can be determined and displayed. It’s always annoying when you enter some data into a program only to be told its wrong when you try to save… and then not be told what is wrong with it, being forced to make an educated guess. Dollar IDE gives you no such hassle.

Git Integration

Dollar IDE - Git and GitHub Integration

Dollar IDE – Git and GitHub Integration

One of the coolest aspect of my new IDE is its tight integration with the git revision control system. The program can interface with any git repository, hosted either locally or on a remote server, and has additional support for repositories hosted on the popular GitHub service.

In the main IDE window, which I will show off soon, the user will be able to

  • See which files have uncommitted changes
  • Commit files and projects
  • Merge files with conflicts
  • Pull changes from a remote server

Other Progress So Far

Other than what I’ve shown you in this very quick preview I have the following features working:

  • Correct tokenization of the most common PHP tokens
  • Complete coverage of the tokenizer with unit tests to ensure program correctness
  • A source code editing window with colour highlighted text and line numbers
  • Project loading and saving
  • File associations (to allow project files and PHP files to be loaded from Windows Explorer)

What’s Left to Do

There’s still rather a lot left to do on this project, but fortunately there’s still around another 2 months to do it in. I’m now feeling rather confident that I will finish my product on time with all of my primary functionality and a lot of my secondary functionality implemented.

I will of course keep the blog up to date on my progress.

Danny

 

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