Home » Author Archives: Dirk Lemmermann

Author Archives: Dirk Lemmermann

JavaFX Missing Features Survey: Table View

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The TableView (and TreeTableView) of JavaFX has won the price for being the control that was mentioned the most in my recent “JavaFX Missing Features” survey and also in many follow-up discussions (including and especially the guys in our Zurich JavaFX Meetup group). I guess one of the reasons is the simple fact that almost every application needs a table ...

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JavaFX: TouchGesture Memory Leak?

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In one of my projects I was fighting with a memory leak the last couple of days (yes … “couple”) and I came to the conclusion that there might be an issue related to touch / scroll gestures. In the sample below I have two buttons. The first one creates a list view with one thousand rows, the second one ...

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JavaFX Tip 22: Autosize (Tree) Table Columns

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One of the first things mentioned as a “missing feature” in the JavaFX “Missing Features Survey” was the ability to auto-resize columns in tables / tree tables. It is correct that there is no public API for it, but when you pay close attention then you will notice that there must be code for doing this somewhere inside JavaFX, because the ...

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JavaFX is Here to Stay!

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The last week has seen some discussion on the web related to the future of JavaFX. Many people got the impression that JavaFX will be put on ice by Oracle. This was primarily caused by a blog post written by Shai Almog (Codename One) called “Should Oracle Spring Clean JavaFX”. It was  “inspired” by a blog that I had written a little bit ...

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When to use JavaFX instead of HTML

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The one question that JavaFX aficionados like myself are facing over and over again is the question when (or why) to use JavaFX instead of HTML (5). Here are my two cents on it: You should use JavaFX if …. … you are interested in robustness / quality. JavaFX is Java! You will be able to implement your entire application with the same language / ...

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JavaFX Real-World Apps: EIZO CuratOR Caliop

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JavaFX Real-World application number four is called Caliop. It is the frontend of the CuratOR solution developed by EIZO for operating rooms in hospitals. The frontend runs on wall-mounted consoles and allows the operating team to look up information about a patient, control the routing of various video sources to different monitors, record videos, take photos / stills. For this software ...

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JavaFX Real-World Apps: AISO HRC-Matic

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Application number three in the “Real-World JavaFX Apps” series is a heavy-duty data entry application backed up by a relational database called HRC-Matic. It is being developed by AISO in Geneva. AISO is a company specialised in developing business applications based on JavaFX. They are also working on the application presented in my first blog in this series (European Broadcasting Union). ...

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JavaFX Real-World Apps: Eurovision Broadcasting Union

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I have the privilege to present several JavaFX Real-World Apps at JavaOne this year together with Alexander Casall, who works for Saxonia Systems in Dresden. In preparation of this talk we sent out a questionnaire to our customers and partners and asked them a few questions related to their project, their application, and their use of JavaFX. I thought it ...

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JavaFX Tip 20: A lot to show? Use Canvas!

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There seem to be two kinds of JavaFX applications: the first one is using a scene graph with nodes and CSS styling, and the second one is using a single canvas. However, it is perfectly legal to mix these two approaches. Especially when your application has to show a lot of detailed information where you would easily end up creating thousands and thousands of ...

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JavaFX Tip 18: Path Clipping

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I recently noticed that the PopOver control, which I committed to the ControlsFX project, does not properly clip its content. It became obvious when I was working on the accordion popover for the FlexCalendarFX framework. Whenever the last titled pane was expanded the bottom corners were no longer rounded but square. After placing a red rectangle as content to the ...

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