xref: /trunk/main/odk/examples/DevelopersGuide/Drawing/ShapeHelper.java (revision 3309286857f19787ae62bd793a98b5af4edd2ad3)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// __________ Imports __________

import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiServiceFactory;

import com.sun.star.awt.Point;
import com.sun.star.awt.Size;

import com.sun.star.beans.XPropertySet;

import com.sun.star.container.XEnumeration;
import com.sun.star.container.XEnumerationAccess;

import com.sun.star.drawing.XShape;
import com.sun.star.drawing.XShapes;

import com.sun.star.text.ControlCharacter;
import com.sun.star.text.XText;
import com.sun.star.text.XTextCursor;
import com.sun.star.text.XTextContent;
import com.sun.star.text.XTextRange;


public class ShapeHelper
{
    // __________ static helper methods __________
    //
    public static XPropertySet createAndInsertShape( XComponent xDrawDoc,
            XShapes xShapes, Point aPos, Size aSize, String sShapeType )
        throws java.lang.Exception
    {
        XShape xShape = createShape( xDrawDoc, aPos, aSize, sShapeType );
        xShapes.add( xShape );
        XPropertySet xPropSet = (XPropertySet)
            UnoRuntime.queryInterface( XPropertySet.class, xShape );
        return xPropSet;
    }

    /** create a Shape
    */
    public static XShape createShape( XComponent xDrawDoc,
            Point aPos, Size aSize, String sShapeType )
        throws java.lang.Exception
    {
        XShape xShape = null;
        XMultiServiceFactory xFactory =
            (XMultiServiceFactory )UnoRuntime.queryInterface(
                XMultiServiceFactory.class, xDrawDoc );
        Object xObj = xFactory.createInstance( sShapeType );
        xShape = (XShape)UnoRuntime.queryInterface(
            XShape.class, xObj );
        xShape.setPosition( aPos );
        xShape.setSize( aSize );
        return xShape;
    }

    /**
        add text to a shape. the return value is the PropertySet
        of the text range that has been added
    */
    public static XPropertySet addPortion( XShape xShape, String sText, boolean bNewParagraph )
        throws com.sun.star.lang.IllegalArgumentException
    {
        XText xText = (XText)
            UnoRuntime.queryInterface( XText.class, xShape );

        XTextCursor xTextCursor = xText.createTextCursor();
        xTextCursor.gotoEnd( false );
        if ( bNewParagraph == true )
        {
            xText.insertControlCharacter( xTextCursor, ControlCharacter.PARAGRAPH_BREAK, false );
            xTextCursor.gotoEnd( false );
        }
        XTextRange xTextRange = (XTextRange)
            UnoRuntime.queryInterface( XTextRange.class, xTextCursor );
        xTextRange.setString( sText );
        xTextCursor.gotoEnd( true );
        XPropertySet xPropSet = (XPropertySet)
            UnoRuntime.queryInterface( XPropertySet.class, xTextRange );
        return xPropSet;
    }

    public static void setPropertyForLastParagraph( XShape xText, String sPropName,
        Object aValue )
            throws com.sun.star.beans.UnknownPropertyException,
                com.sun.star.beans.PropertyVetoException,
                    com.sun.star.lang.IllegalArgumentException,
                        com.sun.star.lang.WrappedTargetException,
                            com.sun.star.container.NoSuchElementException
    {
        XEnumerationAccess xEnumerationAccess = (XEnumerationAccess)
            UnoRuntime.queryInterface( XEnumerationAccess.class, xText );
        if ( xEnumerationAccess.hasElements() )
        {
            XEnumeration xEnumeration = xEnumerationAccess.createEnumeration();
            while( xEnumeration.hasMoreElements () )
            {
                Object xObj = xEnumeration.nextElement();
                if ( xEnumeration.hasMoreElements() == false )
                {
                    XTextContent xTextContent = (XTextContent)UnoRuntime.queryInterface(
                        XTextContent.class, xObj );
                    XPropertySet xParaPropSet = (XPropertySet)
                        UnoRuntime.queryInterface( XPropertySet.class, xTextContent );
                    xParaPropSet.setPropertyValue( sPropName, aValue );
                }
            }
        }
    }
}