/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.ui.internal.util;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.m2e.core.internal.M2EUtils;
import org.eclipse.m2e.core.ui.internal.Messages;
/**
* M2EErrorDialog Error dialog for displaying a list/table of error values.
*
* @author dyocum
*/
public class M2EErrorDialog extends MessageDialog {
private TableViewer errorTable;
private static final int PROJECT_COL = 0;
protected static final int TABLE_WIDTH = 700;
protected String[] COL_NAMES = {Messages.M2EErrorDialog_column_name, Messages.M2EErrorDialog_column_error};
protected int[] COL_STYLES = {SWT.LEFT, SWT.LEFT};
protected Map<String, Throwable> errorMap;
/**
* @param parentShell
* @param dialogTitle
* @param dialogTitleImage
* @param dialogMessage
* @param dialogImageType
* @param dialogButtonLabels
* @param defaultIndex
*/
public M2EErrorDialog(Shell parentShell, String dialogTitle, Image dialogTitleImage, String dialogMessage,
int dialogImageType, String[] dialogButtonLabels, int defaultIndex, Map<String, Throwable> errorMap) {
super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, dialogImageType, dialogButtonLabels, defaultIndex);
this.errorMap = errorMap;
setShellStyle(getShellStyle() | SWT.RESIZE);
}
protected Control createCustomArea(Composite parent) {
Composite comp = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(1, true);
comp.setLayout(layout);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.widthHint = TABLE_WIDTH + 50;
gd.grabExcessHorizontalSpace = true;
gd.grabExcessVerticalSpace = true;
comp.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.widthHint = TABLE_WIDTH;
gd.heightHint = 200;
errorTable = new TableViewer(comp, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
errorTable.getTable().setHeaderVisible(true);
errorTable.getTable().setLinesVisible(true);
errorTable.setContentProvider(new ErrorTableContentProvider());
errorTable.setLabelProvider(new ErrorTableLabelProvider());
errorTable.getControl().setLayoutData(gd);
setupTableColumns();
errorTable.setInput(errorMap);
return comp;
}
/**
* Create the table columns and set up their widths
*/
protected void setupTableColumns() {
GC gc = new GC(errorTable.getControl());
gc.setFont(errorTable.getControl().getFont());
for(int i = 0; i < COL_NAMES.length; i++ ) {
TableColumn col = new TableColumn(errorTable.getTable(), COL_STYLES[i]);
col.setText(COL_NAMES[i]);
int width = calcStringWidth(gc, i);
col.setWidth(width);
}
gc.dispose();
}
/**
* Find out how wide the strings are so the columns can be set correctly.
*
* @param gc
* @param column
* @return
*/
private int calcStringWidth(GC gc, int column) {
int maxWidth = 100;
if(column == PROJECT_COL) {
Set<String> keySet = errorMap.keySet();
for(String projectName : keySet) {
int width = gc.stringExtent(projectName).x + 10;
maxWidth = Math.max(maxWidth, width);
}
return maxWidth;
}
Collection<Throwable> values = errorMap.values();
for(Throwable t : values) {
String msg = M2EUtils.getRootCauseMessage(t);
if(msg == null) {
msg = ""; //$NON-NLS-1$
}
int width = gc.stringExtent(msg).x + 10;
maxWidth = Math.max(maxWidth, width);
}
return maxWidth;
}
/**
* ErrorTableContentProvider
*
* @author dyocum
*/
class ErrorTableContentProvider implements IStructuredContentProvider {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
if(inputElement instanceof Map) {
return ((Map) inputElement).keySet().toArray();
}
return new Object[0];
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
class ErrorTableLabelProvider implements ITableLabelProvider {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
*/
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
*/
public String getColumnText(Object element, int columnIndex) {
if(columnIndex == PROJECT_COL) {
return element.toString();
}
String msg = M2EUtils.getRootCauseMessage(errorMap.get(element));
return msg == null ? "" : msg; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void addListener(ILabelProviderListener listener) {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
*/
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
*/
public boolean isLabelProperty(Object element, String property) {
return false;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void removeListener(ILabelProviderListener listener) {
}
}
}