How to implement Eclipse Tutorials features? - eclipse

To express as shown in the image
I would appreciate it if you could share some things to keep in mind.
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Application help and tutorial implementation

I would like to implement a interactive help for the new users of an application.
Kind of help, that greys out most of the screen, highlights a button and shows a text to explain what it does.
Has anyone implemented such a thing in flutter? Is there a plugin for that that I missed? Googling with "guide" or " tutorial" keyword just brings tutorials about flutter, not very useful.
I think you are looking for this package
Link For the Package

dnn megamenu posibilities?

I haven't worked with dnn very much and for those who also haven't it's basically another CMS tool. I'm working on a mega menu but I am being told that I can't do something because dnn doesn't allow it. I coded a menu idea by myself (html, css, etc.) but have been told this isn't possible or it's never been done so we're not doing it. While I don't have a website example for this kind of menu being used, I know somewhere out there this menu have been used before. My question is have you ever seen this kind of menu used and is dnn really that limiting?
(The idea is that when you hover over an item on the left the information on the right changes)
This is possible with a highly customized DDR menu template.
But a good third-party theme to look at which has a custom menu implementation for DNN is Mandeep's Porto skin. Click on the link to the demonstration site and hover over the Features menu item. This is very similar to you want.
You can get tutorials on Youtube and on Mandeep's website.

How to create specific GUI Components for an Eclipse Plugin Preference Page?

My own created Preference Page doesn't look well formatted, due to the fact I don't know how to do so in java code (I don't want to use any editor for that case). I googled for some Tutorials, but they didn't help that much.
A documenatation or a tutorial where all possible GUI Components for Preference Pages were described and examples how to use them would be very helpflul.
Does somebody knows such pages ?
It would be very helpful to know how to make such a "box/panel" which contains other elements like a checkbox/radiobutton etc. In case to get the page more structured.
Example: Preferences -> General -> Open mode "box" with the RadioButtons "double click", "single click".
Thank you very much!
Often, the best way to learn is by example. Find a preference page or another Eclipse screen that looks the way you want and study its source code. Eclipse has a very neat tool to make this easier. Simply hit ALT+SHIFT+F1 while on the screen you want to study further and you will get info about the class and the plugin that implement the screen. There are a variety of ways of getting the relevant source code at that point. Simply searching on Google with the full class name is often enough.

Create an application GUI by Javafx

everyone.
My name is Nick, a totally newbie to Javafx. Recently, our team has been running a project and we would love making GUI by Javafx. I am being stuck at the moment. The following is what's in our imagination:
After reading some documentations, here what I've got:
I really appreciate if someone could help give me some hints to get things done. This is an academic project. Thanks so much for your valuable time.
Best Regards
I would recommend using Scenebuilder tool. It is a WYSIWYG GUI editor provided especially for the purposes like yours.
Look at this links.. using this you don't want design manually.. with netbeans you can design just by drag and drop content what you want.
Scene builder is also good tool to design your system at a stretch.
JavaFX Scene Builder
A Visual Layout Tool for JavaFX Applications
First of all take a look at this. so you can get through easily in javaFX.
Java GUI Applications Learning Trail
After looking all this.. then any problem occurs then ask here..
Thanks..

Features in CodeRush Xpress for writing plugins

I am using CodeRush Xpress and found that I cannot write a plugin using IssueProvider from this page (end of third paragraph). Now I am using codeProvider to write simple plugins using CodeRush Xpress.
With CodeProvider I can only show the notification with these 3 dots.
I wanted to show the errors by
1.) Underling the code and
2.) Providing a URL in the hint box (So that the user can click this URL to know more about the problem).
Is there a way to underline the code in coderush Xpress. And also any ways to provide links in the hint box.
Some links or some lines of code used to underline would be helpful.
Thanks in Advance.
The high-level Code Issues UI functionality (underlining, issue hints with links(URLs), left and right issue bars) is available in CodeRush Pro, but not CodeRush Xpress. So you won't be able to see code issues with CodeRush Xpress only.