odk/examples/DevelopersGuide/Forms/ValueBinding.java

   1 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  18  */
  19
  20 import com.sun.star.uno.UnoRuntime;
  21
  22 import com.sun.star.beans.XPropertySet;
  23 import com.sun.star.text.XTextDocument;
  24 import com.sun.star.text.XText;
  25 import com.sun.star.text.XTextTable;
  26 import com.sun.star.text.XTextCursor;
  27 import com.sun.star.form.binding.XValueBinding;
  28 import com.sun.star.form.binding.XBindableValue;
  29
  30 public class ValueBinding extends DocumentBasedExample
  31 {
  32     /** Creates a new instance of ValueBinding */
  33     public ValueBinding()
  34     {
  35         super( DocumentType.WRITER );
  36     }
  37
  38     /* ------------------------------------------------------------------ */
  39     @Override
  40     protected void prepareDocument() throws com.sun.star.uno.Exception, java.lang.Exception
  41     {
  42         super.prepareDocument();
  43
  44         // insert a table with exactly one cell. The content of this table will be synced with
  45         // the content of a form control
  46         XTextDocument textDoc = UnoRuntime.queryInterface( XTextDocument.class,  m_document.getDocument() );
  47         XText documentText = textDoc.getText();
  48         XTextCursor textCursor = documentText.createTextCursor();
  49         documentText.insertString( textCursor, "Below, there's a table cell, and a text field. ", false );
  50         documentText.insertString( textCursor, "Both are linked via an external value binding.\n", false );
  51         documentText.insertString( textCursor, "That means that anything you insert into the table cell is reflected in the ", false );
  52         documentText.insertString( textCursor, "text field, and vice versa.\n", false );
  53
  54         XTextTable table = UnoRuntime.queryInterface( XTextTable.class,
  55             m_document.createInstance( "com.sun.star.text.TextTable" )
  56         );
  57         table.initialize( 1, 1 );
  58         documentText.insertTextContent( textCursor, table, false );
  59
  60         // insert our sample control
  61         XPropertySet textControl = m_formLayer.insertControlLine( "DatabaseTextField", "enter some text", "", 30 );
  62
  63         // create a value binding for the first cell of the table
  64         XValueBinding cellBinding = new TableCellTextBinding( table.getCellByName( "A1" ) );
  65         // and bind it to the control
  66         XBindableValue bindable = UnoRuntime.queryInterface(
  67             XBindableValue.class, textControl
  68         );
  69         bindable.setValueBinding( cellBinding );
  70     }
  71
  72     /* ------------------------------------------------------------------ */
  73     /** class entry point
  74     */
  75     public static void main(String argv[]) throws java.lang.Exception
  76     {
  77         ValueBinding aSample = new ValueBinding();
  78         aSample.run( argv );
  79     }
  80  }
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */