JSF Design support for custom controls

I am creating some custom JSF components, for use in my projects. They work fine, but I was not able to make them display correctly in design time (I am using Websphere).They appear like small rectangles, even when they are grids. What is the standard way to provide design time support to my controls? Or al least a way to show them properly in Websphere designer? There must be some way to make it work, because standard components and IBM components are displayed correctly.
Some hint?

At the moment, the best you can do is fill out all the metadata in faces-config.xml for your component and renderer. Beyond that, each tool developer is currently defining proprietary XML metadata and/or programmatic extensions to provide better tool support. This is, of course, an awful state of affairs, and there are the beginning of efforts today to work towards common metadata and extensions for component developers.
-- Adam Winer (EG member)

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Data Binding for Custom Controls?

Hello,
I'm a little bit confused of how to use databinding for custom controls.
I know i can bind a property, as seen here http://help.sap.com/saphelp_uiaddon10/helpdata/en/91/f0f3cd6f4d1014b6dd926db0e91070/content.htm, but how can I map whole arrays?
My problem is the following:
I want to create a custom table control in SAPUI5 (as the default one doesn't provide the neccessary options and properties I need), but I can't seem to find an example how to bind "rows".
There has to be a way to do this properly. All I can think of now, and implemented, is, passing the name of the variable in the model...
var x = new my.controls.complex.table({data: "/status"});
var row1 = new my.controls.complex.columnHeaderRow();
row1.addColumn(new my.controls.complex.column({text: "", rowspan: "2", colspan: "1", content: "FIRST_COL"}));
x.addColumnsRow(row1);
x.placeAt("content");
...my JSON/model looks like:
{ "status": [ {"FIRST_COL": "a" , ...}, {"FIRST_COL": "b", ... }, ... ], ... }
(which should translate into /status/0/FIRST_COL, /status/1/FIRST_COL, ... AFAIK)
... and then I use this variable name by getting the application-wide model and use the variable passed as key for the model... (please note, this code is just a snippet)
       var sapCore = sap.ui.getCore();
            if (sapCore !== undefined) {
             var model = sapCore.getModel().getObject();
             if (model === undefined || model == [] || model == null){ } else {
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                 if (content !== undefined && content != ""){
                  outpLine = outpLine + "<td>" + model[idx][content] + "</td>";
...which still leaves me with the problem of to get an event to react to re-render on changes within the data model, as well as when there would be just an control-specific model, or just a sub-node within a model etc.
So my question is:
Is there a way/best practice to define data binding in a custom control and have a way to react on it, and how to react on data changes within a custom control?
Thanks & KR
Chris

I create a entirely new control, from sap.ui.core.Control.
sap.ui.core.Control.extend("my.controls.complex.table",{... });
I did define a aggregation...
        aggregations : { columnsRows: {type : "my.controls.complex.columnRow", multiple : true, visibility: "public"}     },
...yet I'm still unclear how I work with this aggregation and databinding. I know we can use the bindAggreation functionallity, but since the aggregation is a object (my.control.complex.columnRow) I don't know how my JSON model should be able to bind to that aggregation (as well as how would one be able to cascade a aggregation like this down futher? For example if there is an aggregation in the object of my aggregation?), plus it still doesn't solve my problem of how I can react (for example redraw) on model changes.
Thanks in advance,
Chris

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Thanks

I would strongly support that too!!!
Here is why: We have been working at an XMP implementation of the Darwin Core to support standardized metadata on biodiversity information. Have a look here. I would love to have an Panel in Lightroom to support the metadata that I am embedding with IDImager:
http://wiki.idimager.com/index.php?title=DarwinCoreXMP#.27.27.27Darwin_Core_XMP.27.27.27
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Hi all,
I've been around midi music and controlers for a while, and I believe I posted a question for LR+midi a (possibly VERY) long time ago to one of the forums (I can't even remeber the answer).
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Design approach for custom Fiori application

Dear Experts,
Good day to all...!
I am having a query on finalizing design approach for one of my custom Fiori Application development using SAP UI5.
Current Application design and Features:
As now we are having application, which is been used in laptops. The application structure is like (SAP R3 --> SUP -->UI (using .net) [back-end à Middlewareà UI).
The UI is hosted on IIS server and the application type is desktop, so the users can use the application in offline as well.
Once its connected to internet, they push all the data back to SAP via SUP.
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We are planning to migrate the same application into Fiori with same offline features and extending to mobiles and devices.
I have few queries here.
What will be the best approach to deploy the application either SUP(Latest version of SMP) or SAP R3.
If SAP R3 to deploy App:
If we choose to deploy the application in R3, How to support the offline usage mobile and devices.
Will the HTML5 local storage or indexed DB’s are sufficient to support the offline usage.
In this case, Shall we drop the SUP/SMP, Since the application directly accessed from SAP R3 ..?
SUP/SMP to deploy the app:
In this case, I need to create (wrap the ui5 files into hybrid application) a hybrid application to support the mobile and devises as native application..? Correct me If I am wrong..:)
Hope I can use the SUP/SMP local storage options to support my offline usage..? Correct me If I am wrong..:)
What will be the best option to support desktop offline usage.
We are yet to take a decision on this.. Please provide your valuable inputs , which will help us to take some decisions.
Thanks & Regards
Rabin D

Hi Anusha,
considering the reusability aspect the components approach is the much better one (see also the best practices dev guide chapter regarding components SAPUI5 SDK - Demo Kit).
It allows you to reuse that component in different applications or other UI components.
I also think that the Application.js approch will not work with Fiori, cause the Fiori Launchpad loads the Components.js of the Fiori app in an Component Container.
Best Regards, Florian

Design advice for custom painting

Hi,
Can someone give me some high-level design advice on designing a JPanel subclass for custom painting? My panel class is becoming very complex, with lots of drawing and scaling methods, so I'm wondering if I could abstract away some of these graphical elements by creating new classes to make the design more object-oriented. However, I'm finding that there are also disadvantages in representing some of my graphic components as classes. Specifically,
1. It will lead to a much higher level of class coupling. My panel will depend on all these new classes to work correctly. In fact the situation is even worse because my panel is an inner class and, to do some of the scaling, needs to use methods from an object stored in the parent class. I would therefore have to also pass this object reference as an argument to many of these new classes.
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Is it common for panel subclasses that do custom painting to be complex?
thanks,
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I wrote the map view for a commercial GIS system. Drawing and scaling on a JPanel is challenging, but it need not be complex.
1. To eliminate class coupling, you need to create a couple of interfaces: Renderable (what you want drawn) and Renderer (the thing doing the low-level drawing). Renderer will have before and after setup and reset methods (to do things like scaling and rotation), and methods that the renderables can use to draw graphics. The Renderable interface can be as simple as a single method: draw(Renderer).
Every type of graphic that you draw on the screen would be a different class that implements Renderable, and which knows how to draw itself using whatever lower-level drawing commands you put in the Renderer. If you construct each Renderable in terms of java.awt.Shape, then Renderable.draw() could call a method Renderer.draw(java.awt.Shape, java.awt.Color).
2. The Panel becomes fairly simple. It has a Renderer and a collection of Renderable objects. Its paint() method calls the Renderer setup method, calls Renderable.draw(Renderer) on each object, and calls the Renderer reset method. Each Renderable in turn calls Renderable.draw(java.awt.Shape, java.awt.Color) one or more times.
Renderer should get a Graphics2D from the Panel when the setup method is called. That's when the Renderer does all of the scaling, positioning, and rotation on the Graphics2D. The Renderable implementations shouldn't even need to know about it.
I don't think custom painting code is necessarily complex, merely challenging to write. If you're only drawing a few lines and circles, you probably don't have to be too concerned about design elegance and code maintainability. The map view I designed for our GIS system, on the other hand, has to handle all kinds of map geometry, icons, text, and aerial photos.

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Dwaraka

I do not fully understand your question, but I'll give a start answer.
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When I'm working with any other apps on my system, I can take advantage of Mission Control, but have forego these advantages when using the Creative Suite. Isn't it really about time that Adobe put some effort into supporting these OS-level features. Whether you favour Mac OS or Windows, you should be able to take advantages of the system you prefer to work on.
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There is no word on anything about InDesign CS6 yet. (Those who know can't say, and I'm not aware of any substantive leaked information.)
I think that Spaces/Mission Control support is probably predicated on the Carbon to Cocoa conversion. So until InDesign is a Cocoa app, this is unlikely to improve. Personally I manage to avoid using Spaces to any significant degree, so I don't really notice these things. Have you tried Photoshop, which is a Cocoa app? Does it behave better?
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Design Suggestion for Custom ADF Application

Hi
I have a custom database table.
I have a custom database view which has query from multiple tables including the above table.
The custom table in the view is joined with other tables by columns like inventory_item_id, organization_id etc.
I have to show user a screen where the results of this view are shown in a table.
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When he press save button, we should enter the new data given by user into the custom table
along with some other values from view rows .. like inventory_item_id, organization_id etc ..
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Hi WalterLaan
Thanks again for your assistance. I still think I might be better off drawing my own charts because I know that I have a bunch of unique stuff that I have to add to the charts (results of custom market analysis techniques)... e.g. if I have to draw custom annotations above (and/or between) the 5th and 10th bars on the chart, it will be easier for me to do this if I have drawn the bars myself (i.e. I'll know exactly where the bars are on the screen... to the pixel)... whereas there may be guesswork involved if I have to find the location on the screen of the 5th bar drawn by a third-partly library (unless they explicitly provide that in their API, to determine the x and y co-ordinates of a particular bar).... but even if they provide this, I may have to deal with the complexity of having to add a transparent pane above the chart element (or some other complexity) just so that I can go ahead and draw my own custom annotations to the chart.
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