odk/examples/DevelopersGuide/Drawing/ShapeHelper.java

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   3  *  $RCSfile: ShapeHelper.java,v $
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   5  *  $Revision: 1.4 $
   6  *
   7  *  last change: $Author: rt $ $Date: 2005-01-31 16:24:53 $
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  40
  41 // __________ Imports __________
  42
  43 import com.sun.star.uno.UnoRuntime;
  44 import com.sun.star.lang.XComponent;
  45 import com.sun.star.lang.XMultiServiceFactory;
  46
  47 import com.sun.star.awt.Point;
  48 import com.sun.star.awt.Size;
  49
  50 import com.sun.star.beans.XPropertySet;
  51
  52 import com.sun.star.container.XEnumeration;
  53 import com.sun.star.container.XEnumerationAccess;
  54
  55 import com.sun.star.drawing.XShape;
  56 import com.sun.star.drawing.XShapes;
  57
  58 import com.sun.star.text.ControlCharacter;
  59 import com.sun.star.text.XText;
  60 import com.sun.star.text.XTextCursor;
  61 import com.sun.star.text.XTextContent;
  62 import com.sun.star.text.XTextRange;
  63
  64
  65 public class ShapeHelper
  66 {
  67     // __________ static helper methods __________
  68     //
  69     public static XPropertySet createAndInsertShape( XComponent xDrawDoc,
  70             XShapes xShapes, Point aPos, Size aSize, String sShapeType )
  71         throws java.lang.Exception
  72     {
  73         XShape xShape = createShape( xDrawDoc, aPos, aSize, sShapeType );
  74         xShapes.add( xShape );
  75         XPropertySet xPropSet = (XPropertySet)
  76             UnoRuntime.queryInterface( XPropertySet.class, xShape );
  77         return xPropSet;
  78     }
  79
  80     /** create a Shape
  81     */
  82     public static XShape createShape( XComponent xDrawDoc,
  83             Point aPos, Size aSize, String sShapeType )
  84         throws java.lang.Exception
  85     {
  86         XShape xShape = null;
  87         XMultiServiceFactory xFactory =
  88             (XMultiServiceFactory )UnoRuntime.queryInterface(
  89                 XMultiServiceFactory.class, xDrawDoc );
  90         Object xObj = xFactory.createInstance( sShapeType );
  91         xShape = (XShape)UnoRuntime.queryInterface(
  92             XShape.class, xObj );
  93         xShape.setPosition( aPos );
  94         xShape.setSize( aSize );
  95         return xShape;
  96     }
  97
  98     /**
  99         add text to a shape. the return value is the PropertySet
 100         of the text range that has been added
 101     */
 102     public static XPropertySet addPortion( XShape xShape, String sText, boolean bNewParagraph )
 103         throws com.sun.star.lang.IllegalArgumentException
 104     {
 105         XText xText = (XText)
 106             UnoRuntime.queryInterface( XText.class, xShape );
 107
 108         XTextCursor xTextCursor = xText.createTextCursor();
 109         xTextCursor.gotoEnd( false );
 110         if ( bNewParagraph == true )
 111         {
 112             xText.insertControlCharacter( xTextCursor, ControlCharacter.PARAGRAPH_BREAK, false );
 113             xTextCursor.gotoEnd( false );
 114         }
 115         XTextRange xTextRange = (XTextRange)
 116             UnoRuntime.queryInterface( XTextRange.class, xTextCursor );
 117         xTextRange.setString( sText );
 118         xTextCursor.gotoEnd( true );
 119         XPropertySet xPropSet = (XPropertySet)
 120             UnoRuntime.queryInterface( XPropertySet.class, xTextRange );
 121         return xPropSet;
 122     }
 123
 124     public static void setPropertyForLastParagraph( XShape xText, String sPropName,
 125         Object aValue )
 126             throws com.sun.star.beans.UnknownPropertyException,
 127                 com.sun.star.beans.PropertyVetoException,
 128                     com.sun.star.lang.IllegalArgumentException,
 129                         com.sun.star.lang.WrappedTargetException,
 130                             com.sun.star.container.NoSuchElementException
 131     {
 132         XEnumerationAccess xEnumerationAccess = (XEnumerationAccess)
 133             UnoRuntime.queryInterface( XEnumerationAccess.class, xText );
 134         if ( xEnumerationAccess.hasElements() )
 135         {
 136             XEnumeration xEnumeration = xEnumerationAccess.createEnumeration();
 137             while( xEnumeration.hasMoreElements () )
 138             {
 139                 Object xObj = xEnumeration.nextElement();
 140                 if ( xEnumeration.hasMoreElements() == false )
 141                 {
 142                     XTextContent xTextContent = (XTextContent)UnoRuntime.queryInterface(
 143                         XTextContent.class, xObj );
 144                     XPropertySet xParaPropSet = (XPropertySet)
 145                         UnoRuntime.queryInterface( XPropertySet.class, xTextContent );
 146                     xParaPropSet.setPropertyValue( sPropName, aValue );
 147                 }
 148             }
 149         }
 150     }
 151 }