How to display dynamic columns, published by vo.addDynamicAttribute in jspx?

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• How to display a column horizontally

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  ==================
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  http://www.dwfaq.com - DW FAQs, tutorials & resources
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• How to create a dynamic RTF report that creates dynamic columns based on the selection of dynamic columns in a table?

  Hi all

  Suppose I have table, whose structure changes frequently on a daily basis.

  For example. / / desc my_table gives you after the name of the column the day 1

  SQL > my_table DESC;

  Output

  Name

  Age

  Phone

  
  

  Day 2, two other columns are added, viz, address and salary.

  SQL > my_table DESC;

  Output

  Name

  Age

  Phone

  Address

  Salary

  
  

  Now, I want to create a Dynnamic RTF report which made extracting data from all columns from my_table daily. For this, I have defined a simultaneous program with XML output type and include in annex a data/definition of data model that takes XML as input and gives the final result of the conc program in EXCEL layout. I am able to do that for a constant number of columns, but don't know how to do it when the number of columns to display dynamically changes.

  For 1 day my XML file should be like this.

  <?xml version="1.0" encoding="UTF-8"?>
  <dataTemplate name="XYZ" description="iExpenses Report" Version="1.0">
  <dataQuery>
  <sqlStatement name="Q2">
  <![CDATA[
  SELECT Name
  ,Age
  ,Phone
  FROM my_table
  ]]>
  </sqlStatement>
  </dataQuery>
  <dataStructure>
  <group name="G_my_table" source="Q2">
    <element name="Name" value="Name" />
    <element name="Age" value="Age" />
    <element name="Phone" value="Phone" />
  </group>
  </dataStructure>
  </dataTemplate>
  
  

  And my day 1, EXCEL output RTF model should be like this.
  Name age phone

  Swapnill 23 12345

  For 2 days my XML file should be like this. With 2 new columns selected in the SELECT clause.

  <?xml version="1.0" encoding="UTF-8"?>
  <dataTemplate name="XYZ" description="iExpenses Report" Version="1.0">
  <dataQuery>
  <sqlStatement name="Q2">
  <![CDATA[
  SELECT Name
  ,Age
  ,Phone
  ,Address
  ,Salary
  FROM my_table
  ]]>
  </sqlStatement>
  </dataQuery>
  <dataStructure>
  <group name="G_my_table" source="Q2">
    <element name="Name" value="Name" />
    <element name="Age" value="Age" />
    <element name="Phone" value="Phone" />
    <element name="Address" value="Address" />
    <element name="Salary" value="Salary" />
  </group>
  </dataStructure>
  </dataTemplate>
  
  

  And my day 2, exit EXCEL model RTF should be like this.
  Name address telephone pay

  23 12345 Madrid 100000 Swapnill

  Now, I don't know below things.

  • Make the dynamic XML as we did in the day 1 there are 3 columns in the SELECT statement and the day 2, 5 columns. I want to create a dynamic XML which must not be changed if the new columns are added into my_table. I don't know how to create this query and also create their corresponding items below.
  • Make the RTF model dyanamic as day 1 there are 3 exit EXCEL columns and the day 2, 5 columns. I want to create a dynamic RTF model that would display all the columns selected in XML dynamic. I don't know how the RTF will create new XML tags and how it will know where to place them in the report. Means, I can create model RTF day 1, by loading the XML data for 3 columns and place 3 tags XML in the model. But how he will create and place the tags for the new columns the day 2?

  Hope so, you got my requirement, it's difficult. Please let me know how I can implement the necessary solution using the RTF dynamically without any manual intervention.

  Kind regards

  Patricia K.

  Post edited by: SwapnilK

  Hi guys,.

  I was able to solve above the requirement.

  I created a procedure that would create & update (attached to the data definition) XML file dynamically for each race. This dynamic XML contains the SQL statement for the data query that is built dynamically. I am updating this XML file using XDOLoader utility to the definition of data. Then run my program customized to generate the excel output.

  Exit excel retrieves correct number of columns dynamically (3 on Day1 and Day2 5), with corresponding data records.

  Kind regards

  Patricia K.

• How to modify the data with dynamic TableView with dynamic columns in JAVAFX

  Today, it is the demo to display the data from the CSV to the custom class without doing DAT file on tableView in JavaFX 2.0. I call this TableView as dynamic TableView because the tableview automatically manages the columns and rows.
  My research on the editable on tableView, we have a custom of the class and apply it to tableView to show that this demo is > http://docs.oracle.com/javafx/2/ui_controls/table-view.htm

  But in this case I can't do that because we don't know how many example of column with the csv file or .dat file... I want to make editable on this tableView in this case add TextField in the TableCell. How do custom class (because you don't have how column...) and so to do custom class then what thedesign of a custom for this case class?

  Could you please help me?

  It's the demo of code to display your csv or dat file in TableView

  private void getDataDetailWithDynamic() {
  tblView.getItems().clear();
  tblView.getColumns().clear();
  tblView.setPlaceholder(new Label("Loading..."));
   // @Override



   try {
        File aFile = new File(txtFilePath.getText());
        InputStream is = new BufferedInputStream(new FileInputStream(aFile));
        Reader reader = new InputStreamReader(is, "UTF-8");

        BufferedReader in = new BufferedReader(reader);

        final String headerLine = in.readLine();
        final String[] headerValues = headerLine.split("\t");
        for (int column = 0; column < headerValues.length; column++) {
             tblView.getColumns().add(
             createColumn(column, headerValues[column]));
        }

        // Data:

        String dataLine;
        while ((dataLine = in.readLine()) != null) {
             final String[] dataValues = dataLine.split("\t");
             // Add additional columns if necessary:
             for (int columnIndex = tblView.getColumns().size(); columnIndex < dataValues.length; columnIndex++) {
                  tblView.getColumns().add(createColumn(columnIndex, ""));
             }
             // Add data to table:
             ObservableList<StringProperty> data = FXCollections.observableArrayList();
             for (String value : dataValues) {
                 data.add(new SimpleStringProperty(value));
             }
             tblView.getItems().add(data);
        }
   } catch (Exception ex) {
        System.out.println("ex: " + ex.toString());
   }


   for(int i=0; i<tblView.getColumns().size(); i++) {
        TableColumn col = (TableColumn)tblView.getColumns().get(i);
       col.setPrefWidth(70);
   }
}

private TableColumn createColumn(
   final int columnIndex, String columnTitle) {
        TableColumn column = new TableColumn(DefaultVars.BLANK_CHARACTER);
        String title;
        if (columnTitle == null || columnTitle.trim().length() == 0) {
            title = "Column " + (columnIndex + 1);
        } else {
            title = columnTitle;
        }


        Callback<TableColumn, TableCell> cellFactory = new Callback<TableColumn, TableCell>() {
        @Override
        public TableCell call(TableColumn p) {

             System.out.println("event cell");
             EditingCellData cellExtend = new EditingCellData();
             return cellExtend;
        }
   };

  column.setText(title);
  column.setCellValueFactory(cellFactory);
   return column;
}

  
  

  Thanks for your reading.

  See this thread: Re: dynamically create columns

  This example is not editable, but to do so, simply add something like

      column.setCellFactory(TextFieldTableCell.>forTableColumn());
  

  the createTableColumn (...) method.

  Either said by the way, where did you code that you pasted in your post? It looks like in my previous post.

  Post edited by: James_D

• How to display a list of the columns (search bar - not displayed) in ascending order

  Hello
  
  I'll have an interactive report...
  In the Search bar we have to Select columns, unless we must do not display it.
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  Published by: machan on December 11, 2009 11:01