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I'm developing a desktop app with python 2.7. I need to show some results on an interactive graph (tree view). First of all, the graph displays just the root and the next level children, (the children for the next levels are hidden) the tree must show the children for an especific node once the user clicks on one of them, refreshing the entire tree on the same window. When the user reaches the last level, the app must provide a menu. I'm using Zest (java) and os.system(java...) for connecting java code with python, but I'm not 100% comfortable with it
Is there an api which I can use for creating interactivity in that way, like actionListeners or something?
thanks!
You can check http://d3js.org/ for charting library.It is a javascript library whcih provides interactive charts.Is there any specific reason for using python??
If you are flexible enough to use javascript libraries you can use JavaFX and use javascript libraries to create interactive charts?
Otherwise you can check the source of these d3 charts and try to implement your chart in Python
There is also a way to communicate between phython and java . Use the following link
http://www.slideshare.net/onyame/mixing-python-and-java
There are a lot of open source charting libraries available for java, then you can use that libraries . follow the following link:
https://stackoverflow.com/questions/2081676/looking-for-open-source-tool-for-drawing-charts-in-java
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As you maybe know, the Google Map API has changed few months ago and the way to implement it in a JPanel changed as well. I was looking for a solution all week and never found it.
I found some tests from google on github but it never show how to put it in an interface.
So does someone know how to put a Google Map (from the new Google Map API) in a JPanel ?
You can still embed a web browser such as the on in JavaFX and use the normal google maps example html+javascript and make javascript calls through that browser component. Though beware that the browser component in javafx has had severe issues with google maps in the past. Some versions have worked great, some not so much...
A high performance prepared java swing component that is a wrapper around chromium browser for google maps with pure java api:s is available for commercial and open source:
https://www.teamdev.com/jxmaps
Trying their demo it shows great performance (I've no affiliation).
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Within my organization, we have maintained a sharepoint site to store a large amount of files related to previous/ongoing projects. These files can be word, pdf and ppt files. We are interesting to build a solution that have following functionalities
1) Advanced search, return a set of files that matches the keyword input by users. It is better to mark the returned files with some label (like using color) on the contents that are directly related to the search keyword.
2) Enable users to perform some types of analysis on the sharepoint site. Such as social network analysis of the person who are authors of some sharepoint files.
Are there any commercial software or open source library to fulfill these types of tasks?
This response is assuming you are using SharePoint 2010 or 2013.
Consider using faceted search. If you have an Enterprise cal you can easily set this up. The trick is making sure the metadata for the facets is available. This would obtain the search behavior your looking for, but not the interaction and tagging.
For this it would be best to create a custom solution, and leverage term sets in managed metadata. In SharePoint 2010 there is conditional formatting that you could use for color coding, however this is deprecated in 2013.
Hope those directions are helpful, but ultimately you are likely going to need to do a combination with custom code and event handlers.
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Is there any Java opensource to create flow charts not within the IDE itself, but in a web based application so they can be viewed on a browser? This is like a Cost Control Flowchart, but basically a flow chart.
To avoid any confusion, the business requirement is to allow users to create flow charts and save them to databases. I am not looking to create UMLs of source code or vice versa.
This stackoverflow question points to the right directions but I need to be able to have users draw and then save the drawing/information to the database. Flowchart is the only UML required.
If it does not need to be "web-based" then yEd Graph Editor could be a good choice.
yEd is a free desktop application that can generate high-quality diagrams, either manually, or by importing external data.
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Are there any good component libraries / repositories for JavaFX 2.0?
In particular I'm looking for open source projects that I might be able to use, learn from and contribute to.
The best place to start looking is the open source of the platform itself. Currently, just controls are open sourced, but over time more items will be added. Join the mailing list on the linked page to get involved.
Next, you could try the the JFXtras project. Which aims to develop and incubate controls, components and extra bits in addition to, or as an alternative to, what is available in JavaFX.
Then, you also have projects like DataFX which examine interfacing JavaFX with various data source providers, Grezi which is an experimental presentation framework using JavaFX, or you might want to checkout JFX Flow which is a framework for developing JavaFX applications.
If you prefer programming the JavaFX API in other languages, you could look into the open source ScalaFX or GroovyFX projects.
The JavaFX sample applications such as Ensemble are sourced under a BSD license, so feel free to create your own JavaFX samples based on the frameworks those applications provide.
I am sure there are a bunch of other such projects which I have missed or will be formed over time.
JavaFX itself is partially open-source and welcome for contribution.
See http://openjdk.java.net/projects/openjfx/
Here are a few that I found...
controlsfx
JideFx
JFxtras
And this is the official Oracle summary page for third party JavaFX tools.
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I would like to write a Java terminal application that does screen manipulation. Are there any good libraries out there that allow you to manipulate the screen like curses in the *nix/C world?
Minimal features I'm looking for are windowing and user input support.
In feature-speak, I'd like to have a region of the terminal where some data is regularly updated while (at the same time) the user can enter commands/text in some other part of the screen.
Lanterna
I found the Lanterna library recently. Haven't had the opportunity to use it yet but it looks like a more up-to-date alternative to the others.
There is Charva, which links to native code but has an api based on Swing.
The screenshots show lots of text windows, so that looks useful.
Haven't used it myself, but Java Curses Library sounds like what you want.
Here is a way to call the ncurses lib using JNI. I tested this and it works.
As of 2013, the closest I can find is Blacken.
Blacken is not a curses library per-se. It moves away from the terminal, and instead, renders it's own "console window." This has the disadvantage of not looking "console-like." Instead, you get full (arbitrary) colour support, and a curses-like API (in addition to their main API).
You can also set the font to Mono for fixed-width characters.