com.nokia.tools.variant.compare.ui.actions.ImportDataAction.java Source code

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Here is the source code for com.nokia.tools.variant.compare.ui.actions.ImportDataAction.java

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/*
 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 * 
 * Initial Contributors:
 * Nokia Corporation - Initial contribution
 * 
 * Contributors:
 * 
 * Description: This file is part of com.nokia.tools.variant.compare.ui component.
 */

package com.nokia.tools.variant.compare.ui.actions;

import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IPageChangingListener;
import org.eclipse.jface.dialogs.PageChangingEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.IContributedContentsView;

import com.nokia.tools.variant.compare.ui.ImportDataUIPlugin;
import com.nokia.tools.variant.compare.ui.wizards.ImportDataWizard;
import com.nokia.tools.variant.compare.ui.wizards.ImportDataWizardPageOne;
import com.nokia.tools.variant.editor.editors.ViewEditorModel;

public class ImportDataAction implements IWorkbenchWindowActionDelegate {

    private IWorkbenchWindow window;
    private IWorkbenchPart modelPart;

    public void init(IWorkbenchWindow window) {
        this.window = window;
        window.getActivePage().addPartListener(new IPartListener() {
            public void partClosed(IWorkbenchPart part) {
                if (modelPart == part) {
                    modelPart = null;
                }
            }

            public void partActivated(IWorkbenchPart part) {
            }

            public void partBroughtToTop(IWorkbenchPart part) {
            };

            public void partDeactivated(IWorkbenchPart part) {
            }

            public void partOpened(IWorkbenchPart part) {
            }
        });
    }

    public void dispose() {
    }

    public void run(IAction action) {

        final ImportDataWizard wizard;

        if (modelPart == null) {
            // no CPF is open
            wizard = new ImportDataWizard();
        } else {
            // Opened CPF is set as target
            wizard = new ImportDataWizard(modelPart);
            wizard.setTargetModel((ViewEditorModel) modelPart.getAdapter(ViewEditorModel.class));
        }

        IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
        WizardDialog dialog = new WizardDialog(window.getShell(), wizard) {
            @Override
            protected void configureShell(Shell newShell) {
                super.configureShell(newShell);
                Image image = ExtendedImageRegistry.INSTANCE
                        .getImage(ImportDataUIPlugin.INSTANCE.getImage("copyvalues_16_tlb.png"));
                newShell.setImage(image);
            }
        };
        dialog.addPageChangingListener(new IPageChangingListener() {
            public void handlePageChanging(PageChangingEvent event) {
                if (event.getCurrentPage() == wizard.getPage(ImportDataWizardPageOne.PAGE_ID)) {
                    try {
                        if (!wizard.isCpfOpened()) {
                            wizard.loadSourceAndTargetModel();
                        } else {
                            wizard.loadSourceModel();
                        }
                        event.doit = true;
                    } catch (Exception ex) {
                        event.doit = false;
                        ((WizardPage) event.getCurrentPage()).setErrorMessage(ex.toString());
                    }
                }
            }
        });

        GC gc = new GC(window.getShell());
        FontMetrics fm = gc.getFontMetrics();
        gc.dispose();
        int minWidth = Dialog.convertWidthInCharsToPixels(fm, 35);
        int minHeight = Dialog.convertHeightInCharsToPixels(fm, 25);
        dialog.setMinimumPageSize(minWidth, minHeight);
        dialog.open();

    }

    public void selectionChanged(IAction action, ISelection selection) {
        modelPart = null;
        IWorkbenchPage page = window.getActivePage();
        if (page != null) {
            IWorkbenchPart part = page.getActivePart();
            while (part != null) {
                if (part.getAdapter(ViewEditorModel.class) != null) {
                    modelPart = part;
                    break;
                }

                IContributedContentsView contributed = (IContributedContentsView) part
                        .getAdapter(IContributedContentsView.class);
                if (contributed != null) {
                    part = contributed.getContributingPart();
                } else {
                    part = null;
                }
            }
        }

    }

}