How do I open a built-in tutorial in Eclipse? - eclipse

I just downloaded Eclipse. The welcome page asked if I'd like to follow through a tutorial, so I happily started. However, at one point, I right clicked and somehow closed the tutorial, and now I cannot figure out how to re-open the tutorial. I've gone through most of the options under "Show View" and tried restarting the IDE to get the welcome page again, but none of these have worked.
Where on the IDE can I open a tutorial?

This is because Eclipse's tutorials are called "Cheat Sheets". In order to open a cheat sheet, navigate to Help->Cheat Sheets... and select the one you'd like to follow through.

Related

Stop Eclipse from autocompleting variable names on declaration

Edit: I am a dumbass who repeatedly went into CA for JavaScript instead of Java. This is what happens when you blindly use the search box, folks.
I know this question has been asked and answered here before, but there's a problem. The solution just isn't there anymore.
I have the exact same problem as this good fella. I saw the answers, they say it's been patched in the 2018-12 release, which I assume is about 18 months old (I've only recently started using eclipse). I'm on the 2020-03 release and, as I said, the Disable insertion triggers except 'Enter' just isn't there anymore. See below:
Eclipse Preferences->Editor->Content Assist Window in 2020-03 release:
I tried looking for it elsewhere in Preferences but I can't find it. When I try to google it all that comes is this same solution, and nothing useful comes up if I filter the searches for time. Does someone know where this option went or if there is another way I can fix this? It's driving me nuts.
Your screenshot shows the JavaScript, not the Java content assist preference page where this setting has never existed:
Window (macOS: Eclipse) > Prefences: JavaScript > Editor > Content Assist
The Java content assist setting described in the mentioned answer can still be found at the same place:
Window (macOS: Eclipse) > Prefences: Java > Editor > Content Assist

how to use yari in eclipse

I've downloaded and installed yari but I cannot figure out how to use it. Everything I see is another menu item "YARI" with a couple of subitems but they all are pretty unclear. I haven't found any tutorial or documentation on this subject.
What I expect: some window which will automatically appear at a start and contain information about GUI of my application
What I get: nothing.
The documentation for the yari project is hosted on SourceForge:
https://sourceforge.net/p/yari/doc/Home/
On the "General" documentation page is an introduction to the yari toolsuite:
https://sourceforge.net/p/yari/doc/HowToGeneral/
To get access to the yari features you have to open the "Show view" dialog in your Eclipse and select there the yari tool you need (placed in the yari group). The main menu entries offer other yari-stuff.

How use debug in Eclipse correctly?

I know this could sound as a 'very easy' question, but I really don't understand or found anywhere, how to use the debugger in a Java EE (JSF) application correctly.
I mean:
1. open eclipse
2. insert a break point at code
3. click into the 'bug' button
4. glassfish starts
5. interact into the web site until the break point is activated, right?
Wrong.
Nothing happens.. And I tried many different ways and it seems not to be working at all.
So I wonder if you guys could me explain how to do it (and I swear I will paint the instructions into the wall =] )
Right click on your project, Debug As -> Debug on Server (Alt+Shift+D, R)
or press the pull down menu next to 'bug' button, and follow the same menu order.

Developing an Eclipse Plugin and adding a submenu item to navigator

This is my first attempt at an Eclipse plugin- the plugin architecture is vast and a little overwhelming, but I've found a number of tutorials and how-to's online which is helping, but trying to do the following is driving me nuts:
I want to add a submenu item that is available in the navigator context menu when you right click on an Eclipse project.
I can get a submenu to appear on a project file or folder, but absolutely no idea how to have it appear on a project.
Would someone be so kind as to provide me with step by step instructions, starting with creating a new plugin-project? This is probably a lot to ask, but I can't seem to find an online guide that has just the right amount of detail. I specifically want to use the plugin-project wizard rather than hand code a plugin.xml file as I am not very familiar with the Eclipse plugin architecture.
Ok- I got it- it was simple, but I got lost in the noise of the API-
Create a new Plug-in Project using the Plugin-Project Wizard and when the wizard has launched...
1.
On the Plug-in Project page, use anything as the project name and 3.5 as target platform eclipse version
2.
On the Content page, skip ahead and just press next
3.
On the Templates page, select "plug-in with a popup menu" and press next
4.
On the Sample Popup Menu page, you will see that eclipse has prefilled the field
"Target Object's Class" with a value of "org.eclipse.core.resources.IFile".
This means that when your popup menu will only appear when you right-click on a file in
a project. As we want the menu to appear when we right click on a Project when
we are using the Navigator view, simply use "org.eclipse.core.resources.IProject" instead
5.
Finish
You can validate that your pop-up will appear as expected by right-clicking the MF file
and "Run-as" > Eclipse Application
Now to refactor the resulting code to use menuContributions and commands rather than objectContributions and actions :)
I think you have a similar question (menu in the package explorer) here:
Renaming packages in Eclipse (thanks to Rich Seller)
This could be a good start, and is a complete plugin project.
You should look into the Eclipse Common Navigator Framework there are a few tutorials on this side that tell you what to do in detail The Project Explorer is an implementation of the CNF. You should also consider using the Platform Commands to add your commands (and popup menu item) to the popup menu associated with the project explorer. It's somewhat easier to use commands than actions. You should be able to do it with by adding a Command in your plugin extensions. Unfortunately off the top of my head I don't know the right incantation to have the command appear in the project explorer. But you will be able to find it in these resources.

Eclipse Search Menus disabled randomly

I use Eclipse 3.3 in my daily work, and have also used Eclipse 3.2 extensively as well. In both versions, sometimes the Search options (Java Search, File Search, etc) in the menu get disabled, seemingly at random times. However, with Ctrl+H, I am able to access the search functionality. Does anyone know why this happens? Has it been fixed in Eclipse 3.4?
window > close all perspective works for me.
Using Eclipse 4.3(!) this happened to me after doing a case-sensitive search.
Window -> Close All Perspectives didn't fix it and neither did restarting Eclipse using -clean. While messing with the search box, I discovered that simply clicking to a previous search entry allowed me to edit it and search again! Clicking back to the case-sensitive search grayed the option out again.
So before you reset anything in your workspace, try pulling up an older search entry using the Down Arrow.
I think this answer is what you all need to solve the issue on all versions.
I am using RAD 8 and I have also faced this problem than I removed org.eclipse.search directory in (workspace currently using) workspace/metadata/plugins folder then restart the eclipse.
That's all.
I don't have an exact answer. I will recommend that you try to correlate the disablement with which perspective is active. Likewise, which view is active. I have been using 3.4 and not experienced this issue.
Darn! I have that problem too -- in Eclipse 3.4.2.
Seems to be related to Navigator and Project Explorer views:
- Switch to Debug perspective: Search menu items are there.
- Switch to Java or Java EE perspective: Search menu items still there.
- Click on a project in Navigator or Project Explorer: Search menu items all DISABLED.
(Curse! I use search in Selected Resources a lot! )-:
Hmmm... It may slso depend on the file type currently open in the editor. (Like Java vs xml.)
Still present in Eclipse 3.5.2 -- and for the first time really sticky.
I checked out the "close all opened files and open any other file afterwards" answer and that brought back the Search menu items. Additionally, if you were lucky and have the Search result view open, than indeed there is this little link "Open search dialog".
By the way, additionally lots of other project-related menu items seem to be greyed out also together with this, and they did not reanimate :-( But I did not really check out if these are only items for which it is useful and planned to be greyed out in this situation.
I'm using RAD 7.5.1 which runs on Eclipse 3.4 and I get this problem frustratingly often. It doesn't matter which perspective or view I'm in, or which editor I have open.
Restarting RAD usually clears it up, but because that's such a colossal pain, I found that you can get around it in the Search View, there is a link; "Start a search from the search dialog" which will bring up the search dialog.
This isn't a great workaround because the link only shows if you have no search history. To do another search, you'll have to clear your search history in the view.
A late comment for anyone getting bitten by this, but I found "eclipse -clean" fixed it => this does a cleanup of the workspace before starting
Thanks http://letsgetdugg.com/2009/04/19/recovering-a-corrupt-eclipse-workspace/ for the tip, after I guessed my workspace might be corrupt.
Before search, check you may choose scope in empty Working set. Most Search menu disables Search button when you choose it. And mine, too :)
window > close all perspectives worked for me too.
But if you are just looking for a text search in the project you could press Ctrl+Alt+G on a marked text
I couldn't get it to work even when restarting Eclipse.
Here's what worked for me: Closing all open files and opening a different file. The different file happened to be .java, but not sure if that had anything to do with it.
I get this problem from time to time.
In the past I've fixed by starting eclipse with the -clean option.
Once when that didn't work I created a new workspace.
I followed these instructions for those two solutions.
The clean option didn't work for me today and I found this thread because I didn't want to create a new workspace. The closing all files and reopening one file did work however.
I had this issue also in eclipse 3.6.2: Helios Service Release 1.
Closed all the editor windows, and the search has been enabled.
Switching to another perspective, then back, works quickly for me.
I've faced similar issue in Ctrl+H "File Search" tab. The "Search" and "Replace" button was grayed out (disabled). The solution is fill the "File name patterns" text box (for eg, *.py). May be this is by design!
I have this problem with MyEclipse 7 (eclipse 3.4) under Debian Lenny. Perspective doesn't seem to matter. I get around it with the shortcut Ctrl+H but I was hoping for a better way.
Just had this problem in Eclipse Neon 3. It is a very common problem in RAD. I could find using in the console, then switch back to the source and search. RAD would disable the find/search options per source file open. This is very frustrating.
I had this problem too. It appeared when I installed the m2eclipse plugin.
I had not found a solution, but you can use Ctrl+H shortcut instead.
And you can navigate between tabs with Ctrl+PgDown or Ctrl+PgUp keys.
I've uninstalled the following pluings and it worked.
Maven integration
PMD
eclipse checkstyle plugin
EclEmma (coverage)
I don't know which of those cause the problem. To uninstall a plugin: Help -> Software Updates...-> "Installed Software" tab.