ext.org.eclipse.jdt.internal.ui.compare.CompareDialog.java Source code

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Here is the source code for ext.org.eclipse.jdt.internal.ui.compare.CompareDialog.java

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/*******************************************************************************
 * Copyright (c) 2000, 2011 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package ext.org.eclipse.jdt.internal.ui.compare;

import java.util.ResourceBundle;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.Viewer;

import org.eclipse.ui.PlatformUI;

import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareUI;
import org.eclipse.compare.CompareViewerSwitchingPane;
import org.eclipse.compare.structuremergeviewer.ICompareInput;

import ext.org.eclipse.jdt.internal.ui.IJavaHelpContextIds;

class CompareDialog extends ResizableDialog {

    class ViewerSwitchingPane extends CompareViewerSwitchingPane {

        ViewerSwitchingPane(Composite parent, int style) {
            super(parent, style, false);
        }

        @Override
        protected Viewer getViewer(Viewer oldViewer, Object input) {
            if (input instanceof ICompareInput)
                return CompareUI.findContentViewer(oldViewer, (ICompareInput) input, this, fCompareConfiguration);
            return null;
        }

        @Override
        public void setImage(Image image) {
            // don't show icon
        }
    }

    private CompareViewerSwitchingPane fContentPane;
    private CompareConfiguration fCompareConfiguration;
    private ICompareInput fInput;

    CompareDialog(Shell parent, ResourceBundle bundle) {
        super(parent, bundle);

        fCompareConfiguration = new CompareConfiguration();
        fCompareConfiguration.setLeftEditable(false);
        fCompareConfiguration.setRightEditable(false);
    }

    void compare(ICompareInput input) {

        fInput = input;

        fCompareConfiguration.setLeftLabel(fInput.getLeft().getName());
        fCompareConfiguration.setLeftImage(fInput.getLeft().getImage());

        fCompareConfiguration.setRightLabel(fInput.getRight().getName());
        fCompareConfiguration.setRightImage(fInput.getRight().getImage());

        if (fContentPane != null)
            fContentPane.setInput(fInput);

        open();
    }

    /* (non Javadoc)
     * Creates SWT control tree.
     */
    @Override
    protected synchronized Control createDialogArea(Composite parent2) {

        Composite parent = (Composite) super.createDialogArea(parent2);

        getShell().setText(JavaCompareUtilities.getString(fBundle, "title")); //$NON-NLS-1$

        fContentPane = new ViewerSwitchingPane(parent, SWT.BORDER | SWT.FLAT);
        fContentPane.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL
                | GridData.VERTICAL_ALIGN_FILL | GridData.GRAB_VERTICAL));

        if (fInput != null)
            fContentPane.setInput(fInput);

        applyDialogFont(parent);
        return parent;
    }

    /* (non-Javadoc)
     * Method declared on Dialog.
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        String buttonLabel = JavaCompareUtilities.getString(fBundle, "buttonLabel", IDialogConstants.OK_LABEL); //$NON-NLS-1$
        createButton(parent, IDialogConstants.CANCEL_ID, buttonLabel, false);
    }

    /*
     * @see org.eclipse.jface.window.Window#configureShell(Shell)
     */
    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.COMPARE_DIALOG);
    }
}