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/*******************************************************************************
* Copyright (c) 2004, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.part;
import static org.eclipse.swt.events.SelectionListener.widgetSelectedAdapter;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.statushandlers.StatusManager;
import org.eclipse.ui.views.IViewDescriptor;
/**
* @since 3.1
*/
public class StatusPart {
private static final String LOG_VIEW_ID = "org.eclipse.pde.runtime.LogView"; //$NON-NLS-1$
boolean showingDetails = false;
private Button detailsButton;
private Composite detailsArea;
private Control details = null;
private IStatus reason;
public StatusPart(final Composite parent, IStatus reason_) {
Color bgColor= parent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND);
Color fgColor= parent.getDisplay().getSystemColor(SWT.COLOR_LIST_FOREGROUND);
parent.setBackground(bgColor);
parent.setForeground(fgColor);
this.reason = reason_;
GridLayout layout = new GridLayout();
layout.numColumns = 3;
int spacing = 8;
int margins = 8;
layout.marginBottom = margins;
layout.marginTop = margins;
layout.marginLeft = margins;
layout.marginRight = margins;
layout.horizontalSpacing = spacing;
layout.verticalSpacing = spacing;
parent.setLayout(layout);
Label imageLabel = new Label(parent, SWT.NONE);
imageLabel.setBackground(bgColor);
Image image = getImage();
if (image != null) {
image.setBackground(bgColor);
imageLabel.setImage(image);
GridData gridData = new GridData(GridData.HORIZONTAL_ALIGN_CENTER | GridData.VERTICAL_ALIGN_BEGINNING);
imageLabel.setLayoutData(gridData);
}
Text text = new Text(parent, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP);
text.setBackground(bgColor);
text.setForeground(fgColor);
text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
text.setText(reason.getMessage());
Composite buttonParent = new Composite(parent, SWT.NONE);
buttonParent.setBackground(parent.getBackground());
GridLayout buttonsLayout = new GridLayout();
buttonsLayout.numColumns = 2;
buttonsLayout.marginHeight = 0;
buttonsLayout.marginWidth = 0;
buttonsLayout.horizontalSpacing = 0;
buttonParent.setLayout(buttonsLayout);
detailsButton = new Button(buttonParent, SWT.PUSH);
detailsButton.addSelectionListener(widgetSelectedAdapter(e -> showDetails(!showingDetails)));
detailsButton.setLayoutData(new GridData(SWT.BEGINNING, SWT.FILL, false, false));
detailsButton.setVisible(reason.getException() != null);
createShowLogButton(buttonParent);
updateDetailsText();
detailsArea = new Composite(parent, SWT.NONE);
detailsArea.setBackground(bgColor);
detailsArea.setForeground(fgColor);
GridData data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 3;
data.verticalSpan = 1;
detailsArea.setLayoutData(data);
detailsArea.setLayout(new FillLayout());
parent.layout(true);
}
/**
* Return the image for the upper-left corner of this part
*
* @return the image
*/
private Image getImage() {
Display d = Display.getCurrent();
switch(reason.getSeverity()) {
case IStatus.ERROR:
return d.getSystemImage(SWT.ICON_ERROR);
case IStatus.WARNING:
return d.getSystemImage(SWT.ICON_WARNING);
default:
return d.getSystemImage(SWT.ICON_INFORMATION);
}
}
private void showDetails(boolean shouldShow) {
if (shouldShow == showingDetails) {
return;
}
this.showingDetails = shouldShow;
updateDetailsText();
}
private void updateDetailsText() {
if (details != null) {
details.dispose();
details = null;
}
if (showingDetails) {
detailsButton.setText(IDialogConstants.HIDE_DETAILS_LABEL);
Text detailsText = new Text(detailsArea, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL
| SWT.MULTI | SWT.READ_ONLY | SWT.LEFT_TO_RIGHT);
detailsText.setText(getDetails(reason));
detailsText.setBackground(detailsText.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
details = detailsText;
detailsArea.layout(true);
} else {
detailsButton.setText(IDialogConstants.SHOW_DETAILS_LABEL);
}
}
private String getDetails(IStatus status) {
if (status.getException() != null) {
return getStackTrace(status.getException());
}
return ""; //$NON-NLS-1$
}
private String getStackTrace(Throwable throwable) {
StringWriter swriter = new StringWriter();
PrintWriter pwriter = new PrintWriter(swriter);
throwable.printStackTrace(pwriter);
pwriter.flush();
pwriter.close();
return swriter.toString();
}
private void createShowLogButton(Composite parent){
IViewDescriptor descriptor = PlatformUI.getWorkbench().getViewRegistry().find(LOG_VIEW_ID);
if (descriptor == null) {
return;
}
Button button = new Button(parent, SWT.PUSH);
button.addSelectionListener(widgetSelectedAdapter(e -> {
try {
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(LOG_VIEW_ID);
} catch (CoreException ce) {
StatusManager.getManager().handle(ce, WorkbenchPlugin.PI_WORKBENCH);
}
}));
final Image image = descriptor.getImageDescriptor().createImage();
button.setImage(image);
button.setToolTipText(WorkbenchMessages.ErrorLogUtil_ShowErrorLogTooltip);
button.addDisposeListener(e -> image.dispose());
}
}
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