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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package com.sun.star.wizards.ui;
import com.sun.star.awt.*;
import com.sun.star.beans.PropertyValue;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XFrame;
import com.sun.star.io.IOException;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.util.CloseVetoException;
import com.sun.star.util.XCloseable;
import com.sun.star.wizards.common.Properties;
import com.sun.star.wizards.common.PropertyNames;
public class DocumentPreview
{
/**
* The window in which the preview is showed.
*/
private XWindow xWindow;
/**
* The frame service which is used to show the preview
*/
private XFrame xFrame;
/**
* The content component of the frame.
*/
private XComponent xComponent;
private XControl xControl;
private PropertyValue[] loadArgs;
private String url;
public static final int PREVIEW_MODE = 1;
/*********************************************************************
main
- create new frame with window inside
- load a component as preview into this frame
*/
public DocumentPreview(XMultiServiceFactory xmsf, Object control) throws Exception
{
xControl = UnoRuntime.queryInterface(XControl.class, control);
createPreviewFrame(xmsf, xControl);
}
protected XComponent setDocument(String url_, String[] propNames, Object[] propValues) throws com.sun.star.lang.IllegalArgumentException, IOException, CloseVetoException
{
url = url_;
Properties ps = new Properties();
for (int i = 0; i < propNames.length; i++)
{
ps.put(propNames[i], propValues[i]);
}
return setDocument(url, ps.getProperties());
}
protected XComponent setDocument(String url, PropertyValue[] lArgs) throws com.sun.star.lang.IllegalArgumentException, IOException, CloseVetoException
{
loadArgs = lArgs;
XComponentLoader xCompLoader = UnoRuntime.queryInterface(XComponentLoader.class, xFrame);
xFrame.activate();
return xComponent = xCompLoader.loadComponentFromURL(url, "_self", 0, loadArgs);
}
public void reload(XMultiServiceFactory xmsf) throws com.sun.star.lang.IllegalArgumentException, IOException, CloseVetoException, com.sun.star.uno.Exception
{
closeFrame();
createPreviewFrame(xmsf, xControl);
setDocument(url, loadArgs);
}
private void closeFrame() throws CloseVetoException
{
if (xFrame != null)
{
UnoRuntime.queryInterface(XCloseable.class, xFrame).close(false);
}
}
public XComponent setDocument(String url, int mode) throws com.sun.star.lang.IllegalArgumentException, IOException, CloseVetoException
{
switch (mode)
{
case PREVIEW_MODE:
return setDocument(url, new String[]
{
"Preview", PropertyNames.READ_ONLY
}, new Object[]
{
Boolean.TRUE, Boolean.TRUE
});
}
return null;
}
/*********************************************************************
create a new frame with a new container window inside,
which isn't part of the global frame tree.
Attention:
a) This frame wont be destroyed by the office. It must be closed by you!
Do so - please call XCloseable::close().
b) The container window is part of the frame. Dont hold it alive - nor try to kill it.
It will be destroyed inside close().
*/
public void createPreviewFrame(XMultiServiceFactory xmsf, XControl xControl) throws com.sun.star.uno.Exception, com.sun.star.lang.IllegalArgumentException
{
XWindowPeer controlPeer = xControl.getPeer();
XWindow controlWindow = UnoRuntime.queryInterface(XWindow.class, xControl);
Rectangle r = controlWindow.getPosSize();
Object toolkit = xmsf.createInstance("com.sun.star.awt.Toolkit");
XToolkit xToolkit = UnoRuntime.queryInterface(XToolkit.class, toolkit);
WindowDescriptor aDescriptor = new WindowDescriptor();
aDescriptor.Type = WindowClass.SIMPLE;
aDescriptor.WindowServiceName = "window";
aDescriptor.ParentIndex = -1;
aDescriptor.Parent = controlPeer; //xWindowPeer; //argument !
aDescriptor.Bounds = new Rectangle(0, 0, r.Width, r.Height);
aDescriptor.WindowAttributes = VclWindowPeerAttribute.CLIPCHILDREN | WindowAttribute.SHOW;
XWindowPeer xPeer = xToolkit.createWindow(aDescriptor);
xWindow = UnoRuntime.queryInterface(XWindow.class, xPeer);
Object frame = xmsf.createInstance("com.sun.star.frame.Frame");
xFrame = UnoRuntime.queryInterface(XFrame.class, frame);
xFrame.initialize(xWindow);
xWindow.setVisible(true);
}
public void dispose()
{
try
{
closeFrame();
}
catch (CloseVetoException ex)
{
ex.printStackTrace();
}
}
}
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