com.siteview.mde.internal.ui.launcher.PluginStatusDialog.java Source code

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/*******************************************************************************
 *  Copyright (c) 2005, 2010 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 com.siteview.mde.internal.ui.launcher;

import java.util.Map;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.jface.dialogs.*;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.*;
import org.eclipse.osgi.service.resolver.BundleDescription;
import com.siteview.mde.internal.ui.*;
import com.siteview.mde.internal.ui.elements.DefaultContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;

/**
 * Dialog that opens when plug-in validation fails during launching.  Displays
 * a list of problems discovered.  Allows the user to continue the launch or 
 * cancel if @link {@link #showCancelButton(boolean)} is set to true.
 */
public class PluginStatusDialog extends TrayDialog {

    class ContentProvider extends DefaultContentProvider implements ITreeContentProvider {

        public Object[] getChildren(Object parentElement) {
            if (fInput.containsKey(parentElement)) {
                return (Object[]) fInput.get(parentElement);
            }
            if (parentElement instanceof MultiStatus) {
                return ((MultiStatus) parentElement).getChildren();
            }
            return new Object[0];
        }

        public Object getParent(Object element) {
            return null;
        }

        public boolean hasChildren(Object element) {
            if (fInput.containsKey(element) && element instanceof BundleDescription) {
                return true;
            }
            if (element instanceof MultiStatus) {
                return ((MultiStatus) element).getChildren().length > 0;
            }
            return false;
        }

        public Object[] getElements(Object inputElement) {
            return ((Map) inputElement).keySet().toArray();
        }

    }

    private boolean fShowCancelButton;
    private Map fInput;
    private TreeViewer treeViewer;

    public PluginStatusDialog(Shell parentShell, int style) {
        super(parentShell);
        setShellStyle(style);
        MDEPlugin.getDefault().getLabelProvider().connect(this);
    }

    public PluginStatusDialog(Shell parentShell) {
        super(parentShell);
        setShellStyle(getShellStyle() | SWT.RESIZE);
        MDEPlugin.getDefault().getLabelProvider().connect(this);
    }

    public void showCancelButton(boolean showCancel) {
        fShowCancelButton = showCancel;
    }

    public void setInput(Map input) {
        fInput = input;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
     */
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        if (fShowCancelButton) {
            createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
        }
    }

    /*
     * @see org.eclipse.jface.window.Window#configureShell(Shell)
     */
    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IHelpContextIds.PLUGIN_STATUS_DIALOG);
    }

    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);
        GridData gd = new GridData(GridData.FILL_BOTH);
        gd.widthHint = 400;
        gd.heightHint = 300;
        container.setLayoutData(gd);

        Label label = new Label(container, SWT.NONE);
        label.setText(MDEUIMessages.PluginStatusDialog_label);

        treeViewer = new TreeViewer(container);
        treeViewer.setContentProvider(new ContentProvider());
        treeViewer.setLabelProvider(MDEPlugin.getDefault().getLabelProvider());
        treeViewer.setComparator(new ViewerComparator());
        treeViewer.setInput(fInput);
        treeViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));

        getShell().setText(MDEUIMessages.PluginStatusDialog_pluginValidation);
        Dialog.applyDialogFont(container);
        return container;
    }

    public boolean close() {
        MDEPlugin.getDefault().getLabelProvider().disconnect(this);
        return super.close();
    }

    private IDialogSettings getDialogSettings() {
        IDialogSettings settings = MDEPlugin.getDefault().getDialogSettings();
        IDialogSettings section = settings.getSection(getDialogSectionName());
        if (section == null)
            section = settings.addNewSection(getDialogSectionName());
        return section;
    }

    protected String getDialogSectionName() {
        return MDEPlugin.getPluginId() + ".PLUGIN_STATUS_DIALOG"; //$NON-NLS-1$
    }

    protected IDialogSettings getDialogBoundsSettings() {
        return getDialogSettings();
    }

    public void refresh(Map input) {
        fInput = input;
        treeViewer.setInput(input);
        treeViewer.refresh();
    }

}