de.walware.statet.r.internal.ui.pkgmanager.StatusPage.java Source code

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Here is the source code for de.walware.statet.r.internal.ui.pkgmanager.StatusPage.java

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/*=============================================================================#
 # Copyright (c) 2012-2015 Stephan Wahlbrink (WalWare.de) 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:
 #     Stephan Wahlbrink - initial API and implementation
 #=============================================================================*/

package de.walware.statet.r.internal.ui.pkgmanager;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;

import de.walware.ecommons.ui.components.StatusInfo;
import de.walware.ecommons.ui.util.LayoutUtil;
import de.walware.ecommons.ui.util.PixelConverter;

public class StatusPage extends WizardPage {

    public static final String PAGE_NAME = "StatusPage"; //$NON-NLS-1$

    private final boolean fAllowIgnore;

    private IStatus fStatus;

    private TableViewer fChildViewer;

    private Button fIgnoreControl;

    public StatusPage(final String title, final boolean allowIgnore) {
        super(PAGE_NAME);
        fAllowIgnore = allowIgnore;
        fStatus = Status.OK_STATUS;

        setTitle(title);
    }

    @Override
    public void createControl(final Composite parent) {
        initializeDialogUnits(parent);

        final Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        composite.setLayout(LayoutUtil.createContentGrid(1));

        {
            final Label label = new Label(composite, SWT.NONE);
            label.setText("&Issues:");
            label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
        }
        {
            final Control detail = createDetailArea(composite);
            detail.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        }
        if (fAllowIgnore) {
            final Button button = new Button(composite, SWT.CHECK);
            fIgnoreControl = button;
            button.setText("Ignore shown issues and continue.");
            button.addSelectionListener(new SelectionAdapter() {
                @Override
                public void widgetSelected(final SelectionEvent e) {
                    updateState();
                }
            });
            button.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        }

        Dialog.applyDialogFont(composite);
        setControl(composite);

        setStatus(fStatus);
    }

    protected Control createDetailArea(final Composite parent) {
        final Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(LayoutUtil.createCompositeGrid(1));

        fChildViewer = new TableViewer(composite);
        fChildViewer.setContentProvider(ArrayContentProvider.getInstance());
        fChildViewer.setLabelProvider(new StatusLabelProvider());
        fChildViewer.getTable().setToolTipText(null);
        new ColumnViewerToolTipSupport(fChildViewer, ColumnViewerToolTipSupport.NO_RECREATE, false) {
            @Override
            protected Composite createViewerToolTipContentArea(final Event event, final ViewerCell cell,
                    final Composite parent) {
                final Image image = getImage(event);
                final String text = getText(event);

                final Composite composite = new Composite(parent, SWT.NONE);
                composite.setLayout(LayoutUtil.createCompositeGrid((image != null) ? 2 : 1));
                composite.setBackgroundMode(SWT.INHERIT_DEFAULT);
                {
                    final Color color = getBackgroundColor(event);
                    if (color != null) {
                        composite.setBackground(color);
                    }
                }

                if (image != null) {
                    final Label label = new Label(composite, SWT.LEFT | SWT.TOP);
                    label.setLayoutData(new GridData(SWT.CENTER, SWT.TOP, false, false));
                    label.setImage(image);
                }
                {
                    final Label label = new Label(composite, SWT.LEFT | SWT.WRAP | SWT.TRANSPARENT);
                    final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
                    gd.widthHint = new PixelConverter(label).convertWidthInCharsToPixels(80);
                    label.setLayoutData(gd);
                    label.setText(text);
                    label.setForeground(getForegroundColor(event));
                }

                return composite;
            }
        };

        {
            final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
            gd.heightHint = LayoutUtil.hintHeight(fChildViewer.getTable(), 8);
            gd.widthHint = 100;
            fChildViewer.getControl().setLayoutData(gd);
        }

        return composite;
    }

    public void setStatus(final IStatus status) {
        if (status == null) {
            throw new NullPointerException("status"); //$NON-NLS-1$
        }
        fStatus = status;
        if (isControlCreated()) {
            StatusInfo.applyToStatusLine(this, status);
            fChildViewer.setInput(status.isMultiStatus() ? status.getChildren() : new Object[0]);
            if (fIgnoreControl != null) {
                fIgnoreControl.setEnabled(fStatus.getSeverity() >= IStatus.ERROR);
            }
        }
        updateState();
    }

    private void updateState() {
        setPageComplete(
                fStatus.getSeverity() < IStatus.ERROR || (fIgnoreControl != null && fIgnoreControl.getSelection()));
    }

}