plugins/org.eclipse.actf.visualization.ui.report/src/org/eclipse/actf/visualization/ui/report/ReportDisplay.java

/*******************************************************************************
 * Copyright (c) 2004, 2008 IBM Corporation and Others
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Kentarou FUKUDA - initial API and implementation
 *******************************************************************************/
package org.eclipse.actf.visualization.ui.report;

import java.io.File;

import org.eclipse.actf.util.DebugPrintUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.ole.win32.OLE;
import org.eclipse.swt.ole.win32.OleAutomation;
import org.eclipse.swt.ole.win32.OleControlSite;
import org.eclipse.swt.ole.win32.OleFrame;
import org.eclipse.swt.ole.win32.Variant;
import org.eclipse.swt.widgets.Composite;

public class ReportDisplay {

	//old implementation
	
    private final static String WEBBROWSER_CONTROL_NAME = "Shell.Explorer"; //$NON-NLS-1$
    private final static String NAVIGATE_METHOD_NAME = "Navigate"; //$NON-NLS-1$
    private final static String URL_PARAM_NAME = "URL"; //$NON-NLS-1$

    
    private OleFrame webFrame;
    private OleControlSite webControlSite;
    private OleAutomation oleAutomation;
    private int dispIdMember;
    int[] rgdispidNamedArgs = new int[1];
    

    public void disposeOleBrowser() {
        if (oleAutomation != null) {
            oleAutomation.dispose();
            oleAutomation = null;
        }
    }

    public ReportDisplay(Composite _compositeParent) {

        Composite compositeRecommendationHalf = new Composite(_compositeParent, SWT.NONE);
        GridLayout gridLayout = new GridLayout();
        gridLayout.numColumns = 1;
        gridLayout.marginWidth = 0;
        gridLayout.marginHeight = 0;
        gridLayout.verticalSpacing = 0;
        gridLayout.horizontalSpacing = 0;
        compositeRecommendationHalf.setLayout(gridLayout);

        webFrame = new OleFrame(compositeRecommendationHalf, SWT.NONE);
        webControlSite = new OleControlSite(webFrame, SWT.NONE, WEBBROWSER_CONTROL_NAME);
        oleAutomation = new OleAutomation(webControlSite);

        // activate OLE
        if (!(webControlSite.doVerb(OLE.OLEIVERB_INPLACEACTIVATE) == OLE.S_OK)) {
            DebugPrintUtil.devOrDebugPrintln("ole init failure");
        }

        if (oleAutomation != null) {
            int[] rgdispid = oleAutomation.getIDsOfNames(new String[] { NAVIGATE_METHOD_NAME, URL_PARAM_NAME });
            dispIdMember = rgdispid[0];
            int[] rgdispidNamedArgs = new int[1];
            rgdispidNamedArgs[0] = rgdispid[1];
        }
        
        GridData gridData = new GridData();
        gridData.horizontalAlignment = GridData.FILL;
        gridData.grabExcessHorizontalSpace = true;
        gridData.verticalAlignment = GridData.FILL;
        gridData.grabExcessVerticalSpace = true;
        webFrame.setLayoutData(gridData);

        displayReportFile("");
    }    
    
    public void displayReportFile(String url) {
        File targetFile = new File(url);
        if (!targetFile.exists()) {
            url = "about:blank";
        }
        if (oleAutomation != null) {
            Variant[] rgvarg = new Variant[1];
            rgvarg[0] = new Variant(url);
            //Variant pVarResult = 
            oleAutomation.invoke(dispIdMember, rgvarg, rgdispidNamedArgs);
        }
    }

    public OleControlSite getOleControleSite() {
        return webControlSite;
    }

}