/******************************************************************************
* Copyright (c) 2014 Oracle
* 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:
* Konstantin Komissarchik - initial implementation
******************************************************************************/
package org.eclipse.sapphire.ui.forms.swt.internal;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gd;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdfill;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhhint;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdvalign;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdwhint;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.glayout;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.glspacing;
import java.util.Iterator;
import java.util.SortedSet;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.sapphire.LocalizableText;
import org.eclipse.sapphire.Text;
import org.eclipse.sapphire.modeling.Status;
import org.eclipse.sapphire.ui.forms.swt.SwtResourceCache;
import org.eclipse.sapphire.ui.forms.swt.SwtUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class StatusDialog extends Dialog
{
@Text( "Error" )
private static LocalizableText errorDialogTitle;
@Text( "Warning" )
private static LocalizableText warningDialogTitle;
@Text( "Problems" )
private static LocalizableText problemsDialogTitle;
@Text( "[error]" )
private static LocalizableText errorMessagePrefix;
@Text( "[warning]" )
private static LocalizableText warningMessagePrefix;
@Text( "Copy" )
private static LocalizableText copyMenuItemLabel;
static
{
LocalizableText.init( StatusDialog.class );
}
private final Status status;
private TreeViewer treeViewer;
private Tree tree;
private StatusDialog( final Shell shell, final Status status )
{
super( shell );
this.status = status;
}
public static void open( final Shell shell,
final Status status )
{
if( status.children().isEmpty() )
{
if( status.severity() == Status.Severity.ERROR )
{
MessageDialog.openError( shell, errorDialogTitle.text(), status.message() );
}
else
{
MessageDialog.openWarning( shell, warningDialogTitle.text(), status.message() );
}
}
else
{
( new StatusDialog( shell, status ) ).open();
}
}
@Override
protected Control createDialogArea( final Composite parent )
{
getShell().setText( problemsDialogTitle.text() );
final Composite composite = (Composite) super.createDialogArea( parent );
composite.setLayout( glspacing( glayout( 2, 10, 10 ), 10 ) );
final Label imageLabel = new Label( composite, SWT.NONE );
imageLabel.setLayoutData( gdvalign( gd(), SWT.TOP ) );
if( this.status.severity() == Status.Severity.ERROR )
{
imageLabel.setImage( getShell().getDisplay().getSystemImage( SWT.ICON_ERROR ) );
}
else
{
imageLabel.setImage( getShell().getDisplay().getSystemImage( SWT.ICON_WARNING ) );
}
this.treeViewer = new TreeViewer( composite, SWT.BORDER | SWT.MULTI );
this.tree = this.treeViewer.getTree();
this.tree.setLayoutData( gdwhint( gdhhint( gdfill(), 100 ), 400 ) );
final ITreeContentProvider contentProvider = new ITreeContentProvider()
{
public Object[] getElements( final Object input )
{
return StatusDialog.this.status.children().toArray();
}
public Object[] getChildren( final Object element )
{
return ( (Status) element ).children().toArray();
}
public boolean hasChildren( final Object element )
{
return ( ! ( (Status) element ).children().isEmpty() );
}
public Object getParent( final Object element )
{
return findParent( null, StatusDialog.this.status.children(), (Status) element );
}
private Status findParent( final Status parent,
final SortedSet<Status> children,
final Status element )
{
for( Status child : children )
{
if( child == element )
{
return parent;
}
else
{
final Status result = findParent( child, child.children(), element );
if( result != null )
{
return result;
}
}
}
return null;
}
public void inputChanged( final Viewer viewer,
final Object oldInput,
final Object newInput )
{
}
public void dispose()
{
}
};
final ISharedImages sharedImages = PlatformUI.getWorkbench().getSharedImages();
final ILabelProvider labelProvider = new ILabelProvider()
{
private Image errorImage;
private Image warningImage;
public String getText( final Object element )
{
return ( (Status) element ).message();
}
public Image getImage( final Object element )
{
if( ( (Status) element ).severity() == Status.Severity.ERROR )
{
return getErrorImage();
}
else
{
return getWarningImage();
}
}
private Image getErrorImage()
{
if( this.errorImage == null )
{
this.errorImage = SwtUtil.createImageDescriptor( SwtResourceCache.class, "Error.png" ).createImage();
}
return this.errorImage;
}
private Image getWarningImage()
{
if( this.warningImage == null )
{
this.warningImage = SwtUtil.createImageDescriptor( SwtResourceCache.class, "Warning.png" ).createImage();
}
return this.warningImage;
}
public void addListener( final ILabelProviderListener listener )
{
}
public void removeListener( final ILabelProviderListener listener )
{
}
public boolean isLabelProperty( final Object element,
final String property )
{
return false;
}
public void dispose()
{
if( this.errorImage != null )
{
this.errorImage.dispose();
}
if( this.warningImage != null )
{
this.warningImage.dispose();
}
}
};
this.treeViewer.setContentProvider( contentProvider );
this.treeViewer.setLabelProvider( labelProvider );
this.treeViewer.setInput( this );
final Menu menu = new Menu( this.tree );
this.tree.setMenu( menu );
final MenuItem copyMenuItem = new MenuItem( menu, SWT.PUSH );
copyMenuItem.setText( copyMenuItemLabel.text() );
copyMenuItem.setImage( sharedImages.getImage( ISharedImages.IMG_TOOL_COPY ) );
copyMenuItem.addSelectionListener
(
new SelectionAdapter()
{
@Override
public void widgetSelected( final SelectionEvent event )
{
copySelectionToClipboard();
}
}
);
return composite;
}
@Override
protected void createButtonsForButtonBar( final Composite parent )
{
createButton( parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true );
}
@Override
protected boolean isResizable()
{
return true;
}
private void copySelectionToClipboard()
{
final StringBuilder buf = new StringBuilder();
final String nl = System.getProperty( "line.separator" );
final IStructuredSelection selection = (IStructuredSelection) this.treeViewer.getSelection();
for( Iterator<?> itr = selection.iterator(); itr.hasNext(); )
{
final Status st = (Status) itr.next();
if( buf.length() > 0 )
{
buf.append( nl );
}
buf.append( st.severity() == Status.Severity.ERROR ? errorMessagePrefix : warningMessagePrefix );
buf.append( ' ' );
buf.append( st.message() );
}
final String text = buf.toString();
if( text.length() > 0 )
{
final Clipboard clipboard = new Clipboard( this.tree.getDisplay() );
final TextTransfer textTransfer = TextTransfer.getInstance();
clipboard.setContents( new Object[] { text }, new Transfer[] { textTransfer } );
}
}
}