odk/examples/DevelopersGuide/Forms/ValueBinding.java

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  30
  31 import com.sun.star.uno.UnoRuntime;
  32
  33 import com.sun.star.lang.XMultiServiceFactory;
  34 import com.sun.star.beans.XPropertySet;
  35 import com.sun.star.text.XTextDocument;
  36 import com.sun.star.text.XText;
  37 import com.sun.star.text.XTextTable;
  38 import com.sun.star.text.XTextCursor;
  39 import com.sun.star.form.binding.XValueBinding;
  40 import com.sun.star.form.binding.XBindableValue;
  41
  42 public class ValueBinding extends DocumentBasedExample
  43 {
  44     /** Creates a new instance of ValueBinding */
  45     public ValueBinding()
  46     {
  47         super( DocumentType.WRITER );
  48     }
  49
  50     /* ------------------------------------------------------------------ */
  51     protected void prepareDocument() throws com.sun.star.uno.Exception, java.lang.Exception
  52     {
  53         super.prepareDocument();
  54
  55         // insert a table with exactly one cell. The content of this table will be synced with
  56         // the content of a form control
  57         XTextDocument textDoc = (XTextDocument)UnoRuntime.queryInterface( XTextDocument.class,  m_document.getDocument() );
  58         XText documentText = textDoc.getText();
  59         XTextCursor textCursor = documentText.createTextCursor();
  60         documentText.insertString( textCursor, "Below, there's a table cell, and a text field. ", false );
  61         documentText.insertString( textCursor, "Both are linked via an external value binding.\n", false );
  62         documentText.insertString( textCursor, "That means that anything you insert into the table cell is reflected in the ", false );
  63         documentText.insertString( textCursor, "text field, and vice versa.\n", false );
  64
  65         XTextTable table = (XTextTable)UnoRuntime.queryInterface( XTextTable.class,
  66             m_document.createInstance( "com.sun.star.text.TextTable" )
  67         );
  68         table.initialize( 1, 1 );
  69         documentText.insertTextContent( textCursor, table, false );
  70
  71         // insert our sample control
  72         XPropertySet textControl = m_formLayer.insertControlLine( "DatabaseTextField", "enter some text", "", 30 );
  73
  74         // create a value binding for the first cell of the table
  75         XValueBinding cellBinding = new TableCellTextBinding( table.getCellByName( "A1" ) );
  76         // and bind it to the control
  77         XBindableValue bindable = (XBindableValue)UnoRuntime.queryInterface(
  78             XBindableValue.class, textControl
  79         );
  80         bindable.setValueBinding( cellBinding );
  81     }
  82
  83     /* ------------------------------------------------------------------ */
  84     /** class entry point
  85     */
  86     public static void main(String argv[]) throws java.lang.Exception
  87     {
  88         ValueBinding aSample = new ValueBinding();
  89         aSample.run( argv );
  90     }
  91  }