939 lines
38 KiB
Java
939 lines
38 KiB
Java
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* The Contents of this file are made available subject to the terms of
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* the BSD license.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*************************************************************************/
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// __________ Imports __________
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.uno.AnyConverter;
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import java.awt.*;
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import javax.swing.*;
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import java.io.*;
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import java.net.*;
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// __________ Implementation __________
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/**
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* Is a collection of basic features.
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* This helper shows different functionality of framework api
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* in an example manner. You can use the follow ones:
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* (1) parse URL's
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* (2) create frames (inside/outside a java application)
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* (3) dispatches (with[out] notifications)
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* (4) loading/saving documents
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* (5) convert documents to HTML (if possible)
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* (6) close documents (and her frames) correctly
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*
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* There exist some other helper functionality too, which
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* doesn't use or demonstrate the office api:
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* (a) getting file names by using a file chosser
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*/
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public class FunctionHelper
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{
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/**
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* This convert a URL (formatted as a string) to a struct com.sun.star.util.URL.
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* It use a special service to do that: the URLTransformer.
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* Because some API calls need it and it's not allowed to set "Complete"
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* part of the util struct only. The URL must be parsed.
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*
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* @param sURL
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* URL for parsing in string notation
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*
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* @return [com.sun.star.util.URL]
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* URL in UNO struct notation
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*/
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public static com.sun.star.util.URL parseURL(String sURL)
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{
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com.sun.star.util.URL aURL = null;
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if (sURL==null || sURL.equals(""))
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{
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System.out.println("wrong using of URL parser");
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return null;
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}
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try
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{
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com.sun.star.uno.XComponentContext xOfficeCtx =
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OfficeConnect.getOfficeContext();
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// Create special service for parsing of given URL.
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com.sun.star.util.XURLTransformer xParser =
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UnoRuntime.queryInterface(
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com.sun.star.util.XURLTransformer.class,
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xOfficeCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.util.URLTransformer", xOfficeCtx));
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// Because it's an in/out parameter we must use an array of URL objects.
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com.sun.star.util.URL[] aParseURL = new com.sun.star.util.URL[1];
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aParseURL[0] = new com.sun.star.util.URL();
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aParseURL[0].Complete = sURL;
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// Parse the URL
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xParser.parseStrict(aParseURL);
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aURL = aParseURL[0];
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}
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catch(com.sun.star.uno.RuntimeException exRuntime)
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{
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// Any UNO method of this scope can throw this exception.
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// Reset the return value only.
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}
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catch(com.sun.star.uno.Exception exUno)
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{
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// "createInstance()" method of used service manager can throw it.
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// Then it wasn't possible to get the URL transformer.
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// Return default instead of really parsed URL.
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}
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return aURL;
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}
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/**
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* create a new empty target frame
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* Attention: Currently we must use special service com.sun.star.frame.Task instead of Frame.
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* Because desktop environment accept this special frame type only as direct children.
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* Note - This service will be deprecated and must be replaces by com.sun.star.frame.Frame in
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* further versions. To feature prove we use both service names. If for new versions
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* the deprecated one not exist we get an empty frame, we can try to use the new service.
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*
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* @param xSMGR
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* we need the remote service manager to create this task/frame service
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*
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* @return [com.sun.star.frame.XFrame]
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* the new created frame reference in case of success or null otherwise
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*/
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private static com.sun.star.frame.XFrame impl_createEmptyFrame(
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com.sun.star.uno.XComponentContext xCtx )
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{
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com.sun.star.frame.XFrame xFrame = null;
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try{
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xFrame = UnoRuntime.queryInterface(
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com.sun.star.frame.XFrame.class,
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xCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.frame.Task", xCtx));
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} catch(com.sun.star.uno.Exception ex1) {}
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if (xFrame==null)
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{
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try{
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xFrame = UnoRuntime.queryInterface(
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com.sun.star.frame.XFrame.class,
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xCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.frame.Frame", xCtx));
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} catch(com.sun.star.uno.Exception ex2) {}
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}
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return xFrame;
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}
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/**
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* create a new window which can be used as container window of an office frame
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* We know two modes for creation:
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* - the office window will be a child of one of our java windows
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* - the office will be a normal system window outside this java application
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* This behaviour will be regulated by the second parameter of this operation.
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* If a parentview is given the first mode will be activated - otherwise
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* the second one.
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*
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* Note: First mode (creation of a child window) can be reached by two different
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* ways.
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* - pack the required window handle of our java window inside a UNO object
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* to transport it to the remote office toolkit and get a child office
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* window.
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* This is the old way. It's better to use the second one - but to be
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* future prove this old one should be tried too.
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* - it's possible to pass the native window handle directly to the toolkit.
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* A special interface method was enabled to accept that.
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*
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* The right way to create an office window should be then:
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* - try to use second creation mode (directly using of the window handle)
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* - if it failed ... use the old way by packing the handle inside an object
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*
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* @param xSMGR
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* we need a service manager to be able to create remote office
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* services
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*
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* @param aParentView
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* the java window as parent for the office window if an inplace office
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* is required. If it is set to null the created office window will be
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* a normal system window outside of our java application.
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*
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* @return [com.sun.star.awt.XWindow]
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* The new created office window which can be used to set it as
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* a ContainerWindow on an empty office frame.
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*/
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private static com.sun.star.awt.XWindow impl_createWindow(
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com.sun.star.uno.XComponentContext xCtx, NativeView aParentView )
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{
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com.sun.star.awt.XWindow xWindow = null;
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com.sun.star.awt.XWindowPeer xPeer = null;
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com.sun.star.awt.XToolkit xToolkit = null;
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// get access to toolkit of remote office to create the container window of
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// new target frame
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try{
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xToolkit = UnoRuntime.queryInterface(
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com.sun.star.awt.XToolkit.class,
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xCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.awt.Toolkit", xCtx));
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}
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catch(com.sun.star.uno.Exception ex)
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{
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return null;
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}
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// mode 1) create an external system window
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if (aParentView==null)
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{
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// Describe the properties of the container window.
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com.sun.star.awt.WindowDescriptor aDescriptor =
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new com.sun.star.awt.WindowDescriptor();
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aDescriptor.Type = com.sun.star.awt.WindowClass.TOP;
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aDescriptor.WindowServiceName = "window";
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aDescriptor.ParentIndex = -1;
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aDescriptor.Parent = null;
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aDescriptor.Bounds = new com.sun.star.awt.Rectangle(0,0,0,0);
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aDescriptor.WindowAttributes = com.sun.star.awt.WindowAttribute.BORDER |
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com.sun.star.awt.WindowAttribute.MOVEABLE |
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com.sun.star.awt.WindowAttribute.SIZEABLE |
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com.sun.star.awt.WindowAttribute.CLOSEABLE;
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try{
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xPeer = xToolkit.createWindow( aDescriptor );
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} catch(com.sun.star.lang.IllegalArgumentException exIllegal) {}
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}
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// mode 2) create an internal office window as child of our given java
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// parent window
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else
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{
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// try new version of creation first: directly using of the window
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// handle. The old implementation of the corresponding toolkit method
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// requires a process ID. If this id isn't the right one a null object
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// is returned. But normally nobody outside the office knows this id.
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// New version of this method ignore the id parameter and creation will
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// work.
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// Note: You must be sure if your window handle can be really used by
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// the remote office. Means if this java client and the remote office
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// use the same display!
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com.sun.star.awt.XSystemChildFactory xChildFactory =
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UnoRuntime.queryInterface(
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com.sun.star.awt.XSystemChildFactory.class, xToolkit);
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try
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{
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Integer nHandle = aParentView.getHWND();
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short nSystem = (short)aParentView.getNativeWindowSystemType();
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byte[] lProcID = new byte[0];
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xPeer = xChildFactory.createSystemChild(nHandle,
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lProcID, nSystem);
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if (xPeer==null)
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{
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// mode 3) OK - new version doesn't work. It requires the
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// process id which we don't have.
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// So we must use the old way to get the right window peer.
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// Pack the handle inside a wrapper object.
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JavaWindowPeerFake aWrapper = new
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JavaWindowPeerFake(aParentView);
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com.sun.star.awt.XWindowPeer xParentPeer =
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UnoRuntime.queryInterface(
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com.sun.star.awt.XWindowPeer.class, aWrapper);
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com.sun.star.awt.WindowDescriptor aDescriptor =
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new com.sun.star.awt.WindowDescriptor();
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aDescriptor.Type = com.sun.star.awt.WindowClass.TOP;
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aDescriptor.WindowServiceName = "workwindow";
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aDescriptor.ParentIndex = 1;
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aDescriptor.Parent = xParentPeer;
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aDescriptor.Bounds = new com.sun.star.awt.Rectangle(0,0,0,0);
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if (nSystem == com.sun.star.lang.SystemDependent.SYSTEM_WIN32)
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aDescriptor.WindowAttributes =
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com.sun.star.awt.WindowAttribute.SHOW;
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else
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aDescriptor.WindowAttributes =
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com.sun.star.awt.WindowAttribute.SYSTEMDEPENDENT;
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try{
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xPeer = xToolkit.createWindow( aDescriptor );
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} catch(com.sun.star.lang.IllegalArgumentException exIllegal) {}
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}
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}
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catch(java.lang.RuntimeException exJRun)
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{
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// This exception is thrown by the native JNI code if it try to get
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// the systemw window handle. A possible reason can be an invisible
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// java window. In this case it should be enough to set return
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// values to null. All other resources (which was created before)
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// will be freed automatically if scope will be leaved.
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System.out.println("May be the NativeView object wasn't really visible at calling time of getNativeWindow()?");
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xPeer = null;
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xWindow = null;
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}
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}
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// It doesn't matter which way was used to get the window peer.
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// Cast it to the right return interface and return it.
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xWindow = UnoRuntime.queryInterface(
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com.sun.star.awt.XWindow.class,
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xPeer);
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return xWindow;
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}
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/**
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* This method create a new empty child frame on desktop instance of remote office.
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* It use a special JNI functionality to pass the office XWindow over a java window.
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* This java window can be inserted into another java window container for complex layouting.
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* If this parent java window isn't used, a top level system window will be created.
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* The resulting office frame isn't plugged into this java application.
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*
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* @param sName
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* name to set it on the new created frame
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*
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* @param aParentView
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* java window which should be used as parent window of new created office frame window
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* May be set to null.
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*
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* @return [com.sun.star.frame.XFrame]
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* reference to the new created frame for success or null if it failed
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*/
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public static com.sun.star.frame.XFrame createViewFrame(String sName, NativeView aParentView)
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{
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com.sun.star.frame.XFrame xFrame = null;
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try
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{
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com.sun.star.uno.XComponentContext xCtx =
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OfficeConnect.getOfficeContext();
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// create an empty office frame first
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xFrame = impl_createEmptyFrame(xCtx);
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// create an office window then
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// Depending from the given parameter aParentView it will be a child or a top level
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// system window. (see impl method for further information)
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// But before we call this helper - prepare the possible parent window: show it.
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// JNI calls to get system window handle of java window can't work without that!
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if (aParentView!=null)
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aParentView.setVisible(true);
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com.sun.star.awt.XWindow xWindow = impl_createWindow(xCtx, aParentView);
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// pass the window the frame as his new container window.
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// It's necessary to do it first - before you call anything else there.
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// Otherwise the frame throws some exceptions for "uninitialized state".
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xFrame.initialize( xWindow );
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// Insert the new frame in desktop hierarchy.
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// Use XFrames interface to do so. It provides access to the child frame container of that instance.
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com.sun.star.frame.XFramesSupplier xTreeRoot = UnoRuntime.queryInterface(
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com.sun.star.frame.XFramesSupplier.class,
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xCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.frame.Desktop", xCtx));
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com.sun.star.frame.XFrames xChildContainer = xTreeRoot.getFrames();
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xChildContainer.append(xFrame);
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// Make some further initializations on frame and window.
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xWindow.setVisible(true);
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xFrame.setName(sName);
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}
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catch(com.sun.star.uno.RuntimeException exRuntime)
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{
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// Any UNO method of this scope can throw this exception.
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// So the frame can be already created and he must be freed
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// correctly. May be he was inserted into the desktop tree too ...
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if(xFrame!=null)
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{
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// Try to dispose the frame. He should deregister himself at the desktop object
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// and free all internal used resources (e.g. the container window) automatically.
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// It's possible to do that here - because frame has no component inside yet.
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// So nobody can disagree with that.
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// After the dispose() call forget all references to this frame and let him die.
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// If a new exception will occur ... no general solution exist then.
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// Nobody can guarantee if next call will work or not.
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com.sun.star.lang.XComponent xComponent = UnoRuntime.queryInterface(
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com.sun.star.lang.XComponent.class,
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xFrame);
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xComponent.dispose();
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xComponent = null;
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xFrame = null;
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}
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}
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catch(com.sun.star.uno.Exception exUno)
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{
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// "createInstance()" method of used service manager can throw it.
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// If it occurred during creation of desktop service the frame already was created.
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// Free it by decreasing his refcount. Changes on the desktop tree couldn't exist.
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// Without the desktop service that wasn't possible. So no further rollbacks must follow.
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if(xFrame!=null)
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{
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com.sun.star.lang.XComponent xComponent = UnoRuntime.queryInterface(
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com.sun.star.lang.XComponent.class,
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xFrame);
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xComponent.dispose();
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xComponent = null;
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xFrame = null;
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}
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}
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return xFrame;
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}
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/**
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* Dispatch a URL to given frame.
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* Caller can register himself for following status events for dispatched
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* URL too. But nobody guarantee that such notifications will occur.
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* (see dispatchWithNotification() if you interest on that)
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* The returned dispatch object should be hold alive by caller
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* till he doesn't need it any longer. Otherwise the dispatcher can(!)
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* die by decreasing his refcount.
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*
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* @param xFrame frame which should be the target of this dispatch
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* @param aURL full parsed and converted office URL for dispatch
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* @param lProperties optional arguments for dispatch
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* @param xListener optional listener which is registered automatically for status events
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* (Note: Deregistration is part of this listener himself!)
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|
*
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* @return [XDispatch] It's the used dispatch object and can be used for deregistration of an optional listener.
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* Otherwise caller can ignore it.
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|
*/
|
|
public static com.sun.star.frame.XDispatch execute(com.sun.star.frame.XFrame xFrame ,
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|
com.sun.star.util.URL aURL ,
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|
com.sun.star.beans.PropertyValue[] lProperties,
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|
com.sun.star.frame.XStatusListener xListener )
|
|
{
|
|
com.sun.star.frame.XDispatch xDispatcher = null;
|
|
|
|
try
|
|
{
|
|
// Query the frame for right interface which provides access to all available dispatch objects.
|
|
com.sun.star.frame.XDispatchProvider xProvider = UnoRuntime.queryInterface(
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|
com.sun.star.frame.XDispatchProvider.class,
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|
xFrame);
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// Ask him for right dispatch object for given URL.
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|
// Force given frame as target for following dispatch by using "".
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|
// It means the same like "_self".
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|
xDispatcher = xProvider.queryDispatch(aURL,"",0);
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// Dispatch the URL into the frame.
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|
if(xDispatcher!=null)
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|
{
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if(xListener!=null)
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xDispatcher.addStatusListener(xListener,aURL);
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xDispatcher.dispatch(aURL,lProperties);
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|
}
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|
}
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|
catch(com.sun.star.uno.RuntimeException exUno)
|
|
{
|
|
// Any UNO method of this scope can throw this exception.
|
|
// But there will be nothing to do then - because
|
|
// we haven't changed anything inside the remote objects
|
|
// except method "addStatusListener().
|
|
// But in this case the source of this exception has to
|
|
// rollback all his operations. There is no chance to
|
|
// make anything right then.
|
|
// Reset the return value to a default - that's it.
|
|
exUno.printStackTrace();
|
|
xDispatcher = null;
|
|
}
|
|
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|
return xDispatcher;
|
|
}
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/**
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* Load document specified by a URL into given frame synchronously.
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* The result of this operation will be the loaded document for success
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* or null if loading failed.
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*
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* @param xFrame frame which should be the target of this load call
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* @param sURL unparsed URL for loading
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* @param lProperties optional arguments
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*
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* @return [XComponent] the loaded document for success or null if it's failed
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*/
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public static com.sun.star.lang.XComponent loadDocument(
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com.sun.star.frame.XFrame xFrame, String sURL,
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com.sun.star.beans.PropertyValue[] lProperties)
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{
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com.sun.star.lang.XComponent xDocument = null;
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String sOldName = null;
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try
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{
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com.sun.star.uno.XComponentContext xCtx =
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OfficeConnect.getOfficeContext();
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// First prepare frame for loading
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// We must address it inside the frame tree without any complications.
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// So we set an unambiguous (we hope it) name and use it later.
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// Don't forget to reset original name after that.
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sOldName = xFrame.getName();
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String sTarget = "odk_officedev_desk";
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xFrame.setName(sTarget);
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// Get access to the global component loader of the office
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// for synchronous loading the document.
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com.sun.star.frame.XComponentLoader xLoader =
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UnoRuntime.queryInterface(
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com.sun.star.frame.XComponentLoader.class,
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xCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.frame.Desktop", xCtx));
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// Load the document into the target frame by using his name and
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// special search flags.
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xDocument = xLoader.loadComponentFromURL(
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sURL,
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sTarget,
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com.sun.star.frame.FrameSearchFlag.CHILDREN,
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lProperties);
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// don't forget to restore old frame name...
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xFrame.setName(sOldName);
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}
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catch(com.sun.star.io.IOException exIO)
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{
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// Can be thrown by "loadComponentFromURL()" call.
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// The only thing we should do then is to reset changed frame name!
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exIO.printStackTrace();
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xDocument = null;
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if(sOldName!=null)
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xFrame.setName(sOldName);
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}
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catch(com.sun.star.lang.IllegalArgumentException exIllegal)
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{
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// Can be thrown by "loadComponentFromURL()" call.
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// The only thing we should do then is to reset changed frame name!
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exIllegal.printStackTrace();
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xDocument = null;
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if(sOldName!=null)
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xFrame.setName(sOldName);
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}
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catch(com.sun.star.uno.RuntimeException exRuntime)
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{
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// Any UNO method of this scope can throw this exception.
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// The only thing we can try(!) is to reset changed frame name.
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exRuntime.printStackTrace();
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xDocument = null;
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if(sOldName!=null)
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xFrame.setName(sOldName);
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}
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catch(com.sun.star.uno.Exception exUno)
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{
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// "createInstance()" method of used service manager can throw it.
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// The only thing we should do then is to reset changed frame name!
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exUno.printStackTrace();
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xDocument = null;
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if(sOldName!=null)
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xFrame.setName(sOldName);
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}
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return xDocument;
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}
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/**
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* Save currently loaded document of given frame.
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*
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* @param xDocument document for saving changes
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*/
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public static void saveDocument(com.sun.star.lang.XComponent xDocument)
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{
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try
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{
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// Check for supported model functionality.
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// Normally the application documents (text, spreadsheet ...) do so
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// but some other ones (e.g. db components) doesn't do that.
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// They can't be save then.
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com.sun.star.frame.XModel xModel = UnoRuntime.queryInterface(
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com.sun.star.frame.XModel.class,
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xDocument);
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if(xModel!=null)
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{
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// Check for modifications => break save process if there is nothing to do.
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com.sun.star.util.XModifiable xModified = UnoRuntime.queryInterface(
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com.sun.star.util.XModifiable.class,
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xModel);
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if(xModified.isModified())
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{
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com.sun.star.frame.XStorable xStore = UnoRuntime.queryInterface(
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com.sun.star.frame.XStorable.class,
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xModel);
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xStore.store();
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}
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}
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}
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catch(com.sun.star.io.IOException exIO)
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{
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// Can be thrown by "store()" call.
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// But there is nothing we can do then.
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exIO.printStackTrace();
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}
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catch(com.sun.star.uno.RuntimeException exUno)
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{
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// Any UNO method of this scope can throw this exception.
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// But there is nothing we can do then.
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exUno.printStackTrace();
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}
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}
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/**
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* It try to export given document in HTML format.
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* Current document will be converted to HTML and moved to new place on disk.
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* A "new" file will be created by given URL (may be overwritten
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* if it already exist). Right filter will be used automatically if factory of
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* this document support it. If no valid filter can be found for export,
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* nothing will be done here.
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*
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* @param xDocument document which should be exported
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* @param sURL target URL for converted document
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*/
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public static void saveAsHTML(com.sun.star.lang.XComponent xDocument,
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String sURL )
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{
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try
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{
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// First detect factory of this document.
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// Ask for the supported service name of this document.
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// If information is available it can be used to find out which
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// filter exist for HTML export. Normally this filter should be searched
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// inside the filter configuration but this little demo doesn't do so.
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// (see service com.sun.star.document.FilterFactory for further
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// information too)
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// Well known filter names are used directly. They must exist in current
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// office installation. Otherwise this code will fail. But to prevent
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// this code against missing filters it check for existing state of it.
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com.sun.star.lang.XServiceInfo xInfo = UnoRuntime.queryInterface(com.sun.star.lang.XServiceInfo.class,
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xDocument);
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if(xInfo!=null)
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{
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// Find out possible filter name.
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String sFilter = null;
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if(xInfo.supportsService("com.sun.star.text.TextDocument"))
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sFilter = "HTML (StarWriter)";
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else
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if(xInfo.supportsService("com.sun.star.text.WebDocument"))
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sFilter = "HTML";
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else
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if(xInfo.supportsService("com.sun.star.sheet.SpreadsheetDocument"))
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sFilter = "HTML (StarCalc)";
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// Check for existing state of this filter.
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if(sFilter!=null)
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{
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com.sun.star.uno.XComponentContext xCtx =
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OfficeConnect.getOfficeContext();
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com.sun.star.container.XNameAccess xFilterContainer =
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UnoRuntime.queryInterface(
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com.sun.star.container.XNameAccess.class,
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xCtx.getServiceManager().createInstanceWithContext(
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"com.sun.star.document.FilterFactory", xCtx));
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if(!xFilterContainer.hasByName(sFilter))
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sFilter=null;
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}
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// Use this filter for export.
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if(sFilter!=null)
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{
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// Export can be forced by saving the document and using a
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// special filter name which can write needed format. Build
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// necessary argument list now.
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// Use special flag "Overwrite" too, to prevent operation
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// against possible exceptions, if file already exist.
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com.sun.star.beans.PropertyValue[] lProperties =
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new com.sun.star.beans.PropertyValue[2];
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lProperties[0] = new com.sun.star.beans.PropertyValue();
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lProperties[0].Name = "FilterName";
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lProperties[0].Value = sFilter;
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lProperties[1] = new com.sun.star.beans.PropertyValue();
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lProperties[1].Name = "Overwrite";
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lProperties[1].Value = Boolean.TRUE;
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com.sun.star.frame.XStorable xStore =
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UnoRuntime.queryInterface(
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com.sun.star.frame.XStorable.class, xDocument);
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xStore.storeAsURL(sURL,lProperties);
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}
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}
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}
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catch(com.sun.star.io.IOException exIO)
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{
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// Can be thrown by "store()" call.
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// Do nothing then. Saving failed - that's it.
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exIO.printStackTrace();
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}
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catch(com.sun.star.uno.RuntimeException exRuntime)
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{
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// Can be thrown by any uno call.
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// Do nothing here. Saving failed - that's it.
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exRuntime.printStackTrace();
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}
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catch(com.sun.star.uno.Exception exUno)
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{
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// Can be thrown by "createInstance()" call of service manager.
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// Do nothing here. Saving failed - that's it.
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exUno.printStackTrace();
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}
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}
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/*
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* Try to close the frame instead of the document.
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* It shows the possible interface to do so.
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*
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* @param xFrame
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* frame which should be closed
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*
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* @return <TRUE/> in case frame could be closed
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* <FALSE/> otherwise
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*/
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public static boolean closeFrame(com.sun.star.frame.XFrame xFrame)
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{
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boolean bClosed = false;
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try
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{
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// first try the new way: use new interface XCloseable
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// It replace the deprecated XTask::close() and should be preferred ...
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// if it can be queried.
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com.sun.star.util.XCloseable xCloseable =
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UnoRuntime.queryInterface(
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com.sun.star.util.XCloseable.class, xFrame);
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if (xCloseable!=null)
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{
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// We deliver the ownership of this frame not to the (possible)
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// source which throw a CloseVetoException. We wish to have it
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// under our own control.
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try
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{
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xCloseable.close(false);
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bClosed = true;
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}
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catch( com.sun.star.util.CloseVetoException exVeto )
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{
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bClosed = false;
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}
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}
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else
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{
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// OK: the new way isn't possible. Try the old one.
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com.sun.star.frame.XTask xTask = UnoRuntime.queryInterface(com.sun.star.frame.XTask.class,
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xFrame);
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if (xTask!=null)
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{
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// return value doesn't interest here. Because
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// we forget this task ...
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bClosed = xTask.close();
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}
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}
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}
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catch (com.sun.star.lang.DisposedException exDisposed)
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{
|
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// Of course - this task can be already dead - means disposed.
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// But for us it's not important. Because we tried to close it too.
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// And "already disposed" or "closed" should be the same ...
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bClosed = true;
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}
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return bClosed;
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}
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/**
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* Try to find a unique frame name, which isn't currently used inside
|
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* remote office instance. Because we create top level frames
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* only, it's enough to check the names of existing child frames on the
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* desktop only.
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*
|
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* should represent a unique frame name, which currently isn't
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* used inside the remote office frame tree
|
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* (Couldn't guaranteed for a real multithreaded environment.
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* But we try it ...)
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*/
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private static final String BASEFRAMENAME = "Desk View ";
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|
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public static String getUniqueFrameName()
|
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{
|
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String sName = null;
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|
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com.sun.star.uno.XComponentContext xCtx = OfficeConnect.getOfficeContext();
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try
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{
|
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com.sun.star.frame.XFramesSupplier xSupplier =
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UnoRuntime.queryInterface(
|
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com.sun.star.frame.XFramesSupplier.class,
|
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xCtx.getServiceManager().createInstanceWithContext(
|
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"com.sun.star.frame.Desktop", xCtx));
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|
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com.sun.star.container.XIndexAccess xContainer =
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UnoRuntime.queryInterface(
|
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com.sun.star.container.XIndexAccess.class,
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xSupplier.getFrames());
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|
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int nCount = xContainer.getCount();
|
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for (int i=0; i<nCount; ++i )
|
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{
|
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com.sun.star.frame.XFrame xFrame = (com.sun.star.frame.XFrame)AnyConverter.toObject(new com.sun.star.uno.Type(com.sun.star.frame.XFrame.class), xContainer.getByIndex(i));
|
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sName = BASEFRAMENAME+mnViewCount;
|
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while(sName.equals(xFrame.getName()))
|
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{
|
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++mnViewCount;
|
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sName = BASEFRAMENAME+mnViewCount;
|
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}
|
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}
|
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}
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catch(com.sun.star.uno.Exception exCreateFailed)
|
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{
|
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sName = BASEFRAMENAME;
|
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}
|
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|
|
if (sName==null)
|
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{
|
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System.out.println("invalid name!");
|
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sName = BASEFRAMENAME;
|
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}
|
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|
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return sName;
|
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}
|
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|
|
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|
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/**
|
|
* helper to get a file URL selected by user
|
|
* This method doesn't show any API concepts...
|
|
* but is necessary for this demo application.
|
|
*
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* @param aParent parent window of this dialog
|
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* @param bOpen If it is set to true =>
|
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* dialog is opened in "file open" mode -
|
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* otherwise in "file save" mode.
|
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*/
|
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public static String askUserForFileURL(Component aParent,boolean bOpen)
|
|
{
|
|
String sFileURL = null;
|
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int nDecision = JFileChooser.CANCEL_OPTION;
|
|
JFileChooser aChooser = null;
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|
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// set last visited directory on new file chosser
|
|
// (if this information is available)
|
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if( maLastDir==null )
|
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aChooser = new JFileChooser();
|
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else
|
|
aChooser = new JFileChooser(maLastDir);
|
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|
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// decide between file open/save dialog
|
|
if( bOpen )
|
|
nDecision = aChooser.showOpenDialog(aParent);
|
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else
|
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nDecision = aChooser.showSaveDialog(aParent);
|
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|
|
// react for "OK" result only
|
|
if(nDecision == JFileChooser.APPROVE_OPTION)
|
|
{
|
|
// save current directory as last visited one
|
|
maLastDir = aChooser.getCurrentDirectory();
|
|
// get file URL from the dialog
|
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try
|
|
{
|
|
sFileURL = aChooser.getSelectedFile().toURI().toURL().toExternalForm();
|
|
}
|
|
catch( MalformedURLException ex )
|
|
{
|
|
ex.printStackTrace();
|
|
sFileURL = null;
|
|
}
|
|
// problem of java: file URL's are coded with 1 slash instead of 3 ones!
|
|
// => correct this problem first, otherwise office can't use these URL's
|
|
if(
|
|
( sFileURL !=null ) &&
|
|
( sFileURL.startsWith("file:/") ) &&
|
|
( !sFileURL.startsWith("file://") )
|
|
)
|
|
{
|
|
StringBuffer sWorkBuffer = new StringBuffer(sFileURL);
|
|
sWorkBuffer.insert(6,"//");
|
|
sFileURL = sWorkBuffer.toString();
|
|
}
|
|
}
|
|
|
|
return sFileURL;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* @member maLastDir save the last visited directory of used file open/save dialog
|
|
* @member mnViewCount we try to set unique names on every frame we create (that's why we must count it)
|
|
*/
|
|
private static File maLastDir = null;
|
|
private static int mnViewCount = 0 ;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|