[ADF, JDev12.1.3] (1) creating a "select a Choiche" from a query 2-fields and 2) to get the key of the selected element?

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• [ADF, JDev12.1.3] SelectOneChoiche created from VO instance with 3 fields: how to retrieve the value of all the fields of the selected element?

  Hallo,

  I defined a VO with 3 fields (A, B and C) and I would like to create a SelectOneChoiche that shows only the field as options from this instance of VO.

  In a managed bean, I need to retrieve the values for all areas (A, B and C) of the item selected by the user.

  I started dragging the entire VO instance to UI to create a SelectOneChoiche (in which I have chosen to show only the to field).

  Then, I created a for the SOC ValueChangeListener read the values A, B and C of the selected element, but the only thing I've done is to get the displayed value:

  System.out.println((String) ((RichSelectOneChoice) FacesUtils.findComponent("MySoc")).getValue());
  

  You kindly help me?

  Thank you

  Federico

  Federico, sorry I didn't see your answer.

  As you use 12.1.3 you can do this more easily than the code that I posted before. You can use

  {} public void onCountrySelection (ValueChangeEvent valueChangeEvent)

  FacesContext will involve = FacesContext.getCurrentInstance ();

  Make sure that the selection change is processed and the current link lov line has the new selected line

  valueChangeEvent.getComponent () .processUpdates (contxt);

  BindingContext lBindingContext = BindingContext.getCurrent ();

  BindingContainer lBindingContainer = lBindingContext.getCurrentBindingsEntry ();

  List JUCtrlListBinding = lBindingContainer.get ("CountryId") (JUCtrlListBinding);

  the newindex in not necessary, but ok let's get it (must be equal to the CountryId, the pharmacokinetics of the binding of the lov

  String newindex = (String) valueChangeEvent.getNewValue ();

  get the selected value in the list that is the selected line of the binding of the lov

  Line lFromList = list.getSelectedValue () (line);

  now, we can get the attributes of the line of lov

  String s = (String) lFromList.getAttribute ("CountryId");

  System.out.println ("CountryId:" + s);

  String s2 = (String) lFromList.getAttribute ("CountryName");

  System.out.println ("CountryName:" + s2);

  BigDecimal s3 = lFromList.getAttribute("RegionId") (BigDecimal);

  System.out.println ("RegionId:" + s3.toString ());

  }

  The form that I use is based on the location of the HR DB schema table. The CountryId is configured in the view object to display a lov based on the campagneVoir. This view contains thre CountryId, CountryName and RegionId attributes.

  If you want to get to the attributes of an action listener you can use this code

  {} public void onGetSelectedCountryLov (ActionEvent actionEvent)

  BindingContext lBindingContext = BindingContext.getCurrent ();

  BindingContainer lBindingContainer = lBindingContext.getCurrentBindingsEntry ();

  List JUCtrlListBinding = lBindingContainer.get ("CountryId") (JUCtrlListBinding);

  get the selected value in the list that is the selected line of the binding of the lov

  Line lFromList = list.getSelectedValue () (line);

  now, we can get the attributes of the line of lov

  String s = (String) lFromList.getAttribute ("CountryId");

  System.out.println ("CountryId:" + s);

  String s2 = (String) lFromList.getAttribute ("CountryName");

  System.out.println ("CountryName:" + s2);

  BigDecimal s3 = lFromList.getAttribute("RegionId") (BigDecimal);

  System.out.println ("RegionId:" + s3.toString ());

  }

  You must add the valueChangeListener and at least add the lines

  FacesContext will involve = FacesContext.getCurrentInstance ();

  Make sure that the selection change is processed and the current link lov line has the new selected line

  valueChangeEvent.getComponent () .processUpdates (contxt);

  to ensure that the selected line is available when you click the button.

  And set autosubmit'= true for the field in the UI that displays the LOV.

  Timo

• [ADF, JDev12.1.3] UI component: when link (to a variable of bean), its value and when to link UIC together?

  Hallo,

  in lots of examples that I have seen that sometimes the whole (through the Binding property) UI component is bound to a variable of bean and sometimes only the value property is bound to a variable of bean.

  I understand that when it comes to the UIC connection on the Value property value is sufficient.

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  And is there a situation in which the binding using the Binding property must avoid?

  I have created a search custom form with the field (inputTexts, checkboxes,...) the values are handled in a bean. Which would be, in this case, the approach of linking advisable?

  Thank you

  Federico

  But I ask myself... which is the approach recommended in general?

  You should almost always use concrete goods (such as the ' value')

  In some cases, you will need to update some components of the user interface programmatically (with AdfFacesContext.getCurrentInstance () .addPartialTarget (component)), and for this you need reference to any component.

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  See also: that binds the JSF component? When it is best to use? -Stack overflow

  And is there a situation in which the binding using the Binding property must avoid?

  -If you do not need any component

  -If you have scope of pageFlow/view/session bean

  I have created a search custom form with the field (inputTexts, checkboxes,...) the values are handled in a bean. Which would be, in this case, the approach of linking advisable?

  Probably the "value" property

  Dario.

• [ADF, JDev12.1.3] Passage of a called taskflow val: "FacesCtrlAttrsBinding cannot be cast java.lang.Long" triggers during the passage (a SetPropertyListener) a bind var. why...?

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  I open a workflow in the dialog box when the user clicks a button.

  I spend a whole param through the SetPropertyListener in the button configured this way...

  

  In the called workflow, I read the param in a bean managed through this code...

  Long protocol = (Long) AdfFacesContext.getCurrentInstance().getPageFlowScope().get("protToOpen");
  
  

  And everything works fine.

  The is problematic if I change the From the SetPropertyListener property set with a bind var....

  

  ... I have also display in an inputText.

  (runtime)

  

  (designtime)

  

  The framework throws this exception...

  oracle.adfinternal.view.faces.model.binding.FacesCtrlAttrsBinding cannot be cast in java.lang.Long

  I don't understand why it only works when the From of the SetPropertyListener property is configured with a fixed value, but not when I use the link vars.

  You could you kindly help me find the error?

  
  Thank you

  Federico

  If your value not be #{bindings.prot.inputValue} instead of #{bindings.prot}?

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  Thank you

  Federico

  There is the possibility to stretch a column to take full available width.

  AFAIK, you can stretch several columns (read the docs for this property)

  I would like to know if there is a function / approach in ADF which - occupies all the available space - auto-calcule the width of each column to 1) the width of DB fields and 2) space in the browser window.

  (1) as far as I know, no

  (2) you can add class AFStretchWidth to the styleClass property to af:table (or surround your table with af:panelCollection and add this style class here)

  Or track to follow is defining the width of the columns in the table (percentage) property?

  Is probably not.

  % has different interpretation in different browsers, so you should use the style class AFStretchWidth.

  Dario

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  I use JDev 11.1 with ADF, I have the grid, I need to get the selected row in the grid when I press the button, how can I do this?
  
  Thank you

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  You have a table in your page that is based on a viewObject iterator and you must get the selected line in your bean to support when you click on a button.
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• [ADF, JDev12.1.3] When you use create/restoreSavepoint... Restore operation is still useful? And other doubts...

  Hallo,

  Dario and Timo advised me (in this thread Re: [ADF, JDev12.1.3] Master w/playback af:form only af:tables detail: how to handle insert and edit through forms?) I make a request using the functions create/restoreSavpoint to this fragment in my application.

  

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  2. for all tables: before opening the popup insert/change the backup point is implemented pageFlowScope under the same key 'AdfmSavePoint '. Is it OK or would it be better to use a different key for each table (for example 'AdfmSavePointTable1', 'AdfmSavePointTable2',...)?
  3. If the pageFlowScope already contains a checkpoint under the "AdfmSavePoint" key... What does if I give the floor to new .put ("AdfmSavePoint", sph)? Can I be sure that the old value is overwritten?
  4. is this safe with nested savepoint? For example in my case I want to create a backup before the fragment in the image point is displayed (and restore if the user leaves the fragment by clicking "RESTORE ALL"), then within the fragment, as I said above, I would manage other points of record when inserting/editing tables.
  5. I noticed that clicking on the button "RESTORE ALL" when it relates to the AM-restore operation causes this strange thing: when before displaying the fragment I call SetCurrentRowWithKey on the master istance VO... If I click on "ROLLBACK ALL" posted master VO Records changes and 1 minutes of the main of the VO table is displayed. Why the master istance VO is not reimain in the folder I've previously selected by SetCurrentRowWithKey?
  6. With reference to the expression (*) above. The BTF 'dialogue' I created contains only the page jspx with shape and a return to activity. I also tried a) create (and restore) the backup point, b) to call createInsert inside the "dialog box" operation BTF (see images below), but the createInsert on retail VO istance called inside the 'dialogue' BTF seems not to reflect on the table as when I call createInsert by calling btf. I have to make some adjustments in the 'dialogue' of BTF?

  

  

  Thank you

  Federico

  Federico,

  (1) Yes, what should happen if a user add or edit vo1 and click ok in the dialog box but decided that ask to work must be restored?

  (2) as long as you don't have that a dialog box is open, it should work.

  (3) the flowrate range of page is a map. You can put the same key more than once. If the key already exists, the value is replaced.

  (4) in fact, I don't know, but the sounds of complicated design. I guess you can record more points, but only in the order of creation. It's as if you try to rebuild the framework. BTF yo it even for you, when worn right. Please go to ADF Architecture Square and read and watch it task flow of related things.

  (5) this behavior is as expected. A restore resets all the iterators so thagetto point at the top of he. http://www.Oracle.com/technetwork/Developer-Tools/ADF/learnmore/OCT2010-OTN-Harvest-183714.pdf 'keep the line after cancellation' shows how to handle this situation.

  (6) I suppose have you refresh the table iterator, once you close the dialog box for the new data. But that's only a guess because it depends on how the btf share control of data and the your involved.

  Timo

• [ADF, JDev12.1.3] How to create a reusable/configurable SelectOneChoiche that displays a range of years?

  Hallo,

  in my application, I would use SelectOneChoiche components a range of years including start/end of the year can be different based on other values/conditions of display.

  I found this thread helpful Andrejus Baranovskis Blog: select a choice with select elements Tag which explains how to fill a PLOUGHSHARE of a managed bean.

  Would it be possible (and how) to create a reusable component (something to drag them to the design-time user interface) configurable with expressions of start/end of year?

  This would avoid as me to write the code to fill the SOC whenever I need one of them.

  Thank you

  Federico

  You can see this example ADF practice: component example declarative ADF which shows how to create a component declarative which shows a decimal lov.

  This Oracle magazine article Oracle ADF: Build Your Own is another example that will guide you throughout the process.

  Timo

• [ADF, JDev12.1.3] Plating of workflow that can function as 'serch & open' and 'create '? How to build?

  Hallo,

  in a stubborn workflow, I have a fragment of Details as you can see here...

  

  And it is the working group...

  

  Then dynamic region is contained within the page that has a menu.

  Each menu item has action = "#{viewScope.mainDynamicRegion.startBoundedTaskFlowX}". "

  The bean maniDynamicRegion I have a lot of functions, each for each menu item, like this:

  public String startBoundedTaskFlowX() {}

  taskFlowId = "/WEB-INF/btf-X.xml#btf-X";

  Returns a null value.

  }

  End of details

  I would like to have 2 menu items for the btf above: one as 'research and details open' and onoter like 'create new details '.

  When I click on "search...". "a search form should appear, the user selects a folder, then click on 'Open' and finally appears my fragment 'details' showing the desired folder.

  Of course I have now that I'll have to add a new snippet to search for the folder desired to open

  When I click "create...". "my fragment displays the master desired folder should appear. Af: form in the 1st tab must be ready to be filled.

  You kindly could help me to complete the stubborn workflow? What components do I use?

  How can I let know the stubborn workflow what mode should work (research & open or create)?

  Is there something in particular, I have to take care of?

  Thank you very much

  Federico

  Hi Federico

  You can do this by using a BTF or two

  So, using only a BTF you can do the following:

  1. create an inputPram in your BTF who receives a value if the application is called from the search menu or create (set its value to S (Search) and C (Create))

  2 use a router to check if BTF is called from the search menu, then he should go to the search page

  3. and if it is called in Menu create then they should goto createPage drirectly and in the range of the router and createPage createInsert (for the first tab) operating as a method in taskFlow, so it will show a folder created in the first tab

  See -task using flow router in Oracle ADF - YouTube activity

  Thank you

• [ADF, JDev12.1.3] Why the content of a line in my af:table disappears when I select a new line?

  Hallo,

  I created an af:table like this https://community.oracle.com/servlet/JiveServlet/downloadImage/2-12620067-7140/cmnt1.png following the advice that the kind has been suggested to me by Ashish (for details, see [ADF, JDev 12.1.3] how to display multiple records on the same page... not in a table, but display a form for each record)

  When the table is loaded for the first time, it appears correctly.

  But often (not always) when I select a new line, the selected line up to become "white" and its content disappears http://digilander.libero.it/flattit82/OTN_FILES/rowDisappearing.png

  This product especially if I change the value of 1 or 2 fields contained in the line.

  If I select several lines - one after the other one - the part visible AF: table may become totally white.

  Looks like a refresh problem.

  The table is in a tab.

  If I switch to the tab, then I it again once the table appears again correctly.

  Another thing I noticed: for example 2 rows have disappeared, I select an end of line I have empty in a required field: when I select another line, the popup "this field is required" appears in the row selected previously and magically all the missing lines are coming back!

  The problem seems to be less frequent if I set the selection table = none... but it is always present.

  You could you kindly help me to solve this problem?

  Thank you

  Federico

  Hi Federico

  See I've made a few changes in your application, this problem is due to your provision

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  Download the Application

  Thank you

• [ADF, JDev12.1.3] How to create a new record in a table filling one filed with the IP address of the client?

  Hallo,

  I create a stubborn workflow that begins with a create operation on the table where a new record should be added.

  The recording fields must be filled in by the user, but before committing, I have to fill a field of the reocord with the address IP of the PC of the user.

  Could you kindly advice me which are the possible recommended approaches to achieve this?

  Thank you

  Federico

  Hello

  See this post: Blog of Zeeshan Baig: how to get the IP address of the customer in ADF merge request

  You can use a createWithParams operation and to fill in this field.

  Reference: Andrejus Baranovskis Blog: CreateWithParams operation for Oracle ADF 11g BC

  Kind regards

  Ruben.