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Setting up jedit 4.3 to use with Topas

From April 2010 jedit 4.3 is the recommended version for use with topas. Since jedit 4.2 we've added some more functionality and use a few more plugins as default. If you want to revert to 4.2 follow instructions here.

If you use jedit with topas please register here; I'll periodically send information about updates and bug fixes.

1. Download and install Java if it's not already installed.

To run jedit you may need to install the latest release of the Java run time environment. You probably won't need to do this on a reasonably up to date pc. Go to the 4.2 instructions for more info.

2. Download jedit installation and set up files

Dowload the single .zip file linked here. This contains all the files needed to install jedit and configure it for use with topas. Extract this to any folder on your hard disk. It will create a directory called "jedit43_setup" which contains all the files you need. N.B. these represent a frozen version of jedit and plugins. More up to date versions of jedit are available from the group that develop jedit at http://www.jedit.org but they've not been tested with topas.

3. Install jEdit 4.3

Install jedit4.3 by running the file jedit4.3pre16install.exe which is in the "jedit43_setup" folder.

jEdit will normally install into two directories:

Application: c:\program files\jedit

Users data: c:\documents and setting\USER\.jedit

4. Install Plugins

To gain the full power of jedit you need to install various plugins (xinsert, console, editor scheme, xsearch and errorlist). In the "jedit_setup" folder you'll find a folder called "jars". Copy this folder to C:\Program Files\jEdit\ or the equivalent directory on your computer. You'll then need to restart jedit (In some installations these may need to go to C:\Documents and Settings\user\.jedit). Alternatively you install these plugins from the jedit website or using the plugin manager in jedit.

So the plugins appear in sensible places when you launch jedit use: Utilities/Global Options/Docking and choose to dock xinsert on the left, and the file browser/console at the bottom of the screen. Once docked, clicking on the docked title hides/unhides docked windows. Thus XInsert and the File Browser can be docked/hidden at all times.

5. Setting up jEdit for editing INP files

To set up jedit to interact with topas you need to run a simple macro (inp-setup.bsh) within jedit. This macro is in the "jedit43_setup" directory. In jedit go to:

Macros/Run Other macro/navigate and select inp-setup.bsh (in "jedit43_setup" directory).

[N.B. a few people have reported problems when topas is installed in a directory name including spaces. If you have a choice, I'd recommend using a directory name without spaces. C:\topasa is what we use in Durham. Remember though that for version 4 the license Alan sends you is directory specific - if you change the topas directory name the software will no longer run.]

Some problems/fixes for setting up jedit4.2 are here.

You may then need to quit jedit and relaunch it for changes to take place.

Your xinsert menu will by default contain pull down menus in addition to the topas ones. If you want to hide these go to Plugins/Plugin Options. On the window that comes up click on Xinsert in the left hand pane. Click off all the menus you don't want to view on the right hand pane.

6. Editing in jedit

At its simplest level jedit can be used like any other text editor. The xinsert menus and the ability to automatically colour code certain parts of the file make it extremely efficient for creating and viewing topas input files.

To automatically colour code your input files: Go to Plugins/Editor Scheme Selector and select "inp.scheme" from the left hand window then click Apply and Close. Now topas key words will be in dark blue, numbers in royal blue, refined numbers in red, comments in green, etc. These colour rules are defined in INP.JEDIT-SCHEME and INP_MODE.XML.

Column editing is an extremely powerful feature of jedit and allows you to e.g. edit large numbers of atoms simultaneously. Hold down the ctrl key and select a column of text. What you type will then appear in all rows.

Jedit allows predictive completion of topas keywords. In any .inp file try typing "app" then hitting ctrl-b. You'll be given a choice of possible keywords.

Hypertext searching is a very rapid way of finding multiple occurences of an expression in a file. Highlight a text string, hold down alt and press "." (full stop or period depending on your location).

The cursor shape and whether it blinks can be changed using: Utilities/Global Options/Text Area

7. Results

If everything has been set up properly your jedit screen should look something like the image below (click for higher resolution) but with more modern icons!

8. Commercial Topas

jEdit should work with the commercial version of Topas. You just need to make sure you are in launch mode not gui mode. If you want the various example files linked from menus then download the zip file linked here and extract to a folder called "test_examples" in your main topas folder.

9. Examples

Go here for some simple jedit examples.

10. Register

If you haven't already done so, please register here. I'll periodically send information about updates and bug fixes.


Modified 13-Nov-2011 by John S.O. Evans.