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/*******************************************************************************
* Copyright (c) 2006 CEA List.
* 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:
* CEA List - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.extensionpoints.editors.ui;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IDocumentListener;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConfiguration;
import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConfiguration.Selection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.VerifyKeyListener;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.layout.FillLayout;
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.Group;
import org.eclipse.swt.widgets.Shell;
/**
* Dialog used in for direct edition, when an extension is provided
*/
public class ExtendedDirectEditionDialog extends LabelEditorDialog {
/** Title of the Dialog */
final private static String TITLE = "Edit Label";
/** Edited object */
protected Object editedObject;
/** Document used by the dialog */
protected Document document;
/** initial text value */
protected String value;
/** extension configuration */
protected IDirectEditorConfiguration configuration;
/**
* Creates a new ExtendedDirectEditionDialog
*
* @param parentShell
* the parent shell
* @param parameter
* the editedObject
* @param initialValue
* the initial text value
*/
public ExtendedDirectEditionDialog(Shell parentShell, Object object, String initialValue,
IDirectEditorConfiguration configuration) {
super(parentShell, TITLE, initialValue, configuration.getInputValidator());
this.editedObject = object;
this.value = initialValue;
this.configuration = configuration;
}
/**
* {@inheritDoc}
*/
@Override
protected Control createDialogArea(Composite parent) {
Group composite = new Group(parent, SWT.RESIZE);
composite.setText("Specification");
GridLayout layout = new GridLayout();
layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
Composite viewerGroup = new Composite(composite, SWT.RESIZE);
FillLayout viewerLayout = new FillLayout();
viewerGroup.setLayout(viewerLayout);
GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL
| GridData.VERTICAL_ALIGN_CENTER);
data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
viewerGroup.setLayoutData(data);
viewer = new SourceViewer(viewerGroup, null, SWT.BORDER | SWT.FILL_EVEN_ODD);
// configure source viewer
document = new Document();
document.set(value);
// add completion processor key listener (ctrl+space keys)
viewer.appendVerifyKeyListener(new LabelKeyListener(viewer));
document.addDocumentListener(new DocumentListener());
viewer.configure(configuration.getSourceViewerConfiguration());
viewer.setDocument(document);
Selection selection = configuration.getTextSelection(value, editedObject);
viewer.setSelectedRange(selection.getStart(), selection.getLentgh());
Composite extendedArea = configuration.createExtendedDialogArea(viewerGroup);
if (extendedArea != null) {
extendedArea.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
}
errorMessageText = new CLabel(composite, SWT.READ_ONLY | SWT.SHADOW_NONE);
errorMessageText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
errorMessageText.setBackground(errorMessageText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
// Set the error message text
// See https://bugs.eclipse.org/bugs/show_bug.cgi?id=66292
setErrorMessage(errorMessage);
applyDialogFont(composite);
return composite;
}
/**
*
*/
private class LabelKeyListener implements VerifyKeyListener {
/**
*
*/
SourceViewer viewer;
/**
* Default constructor.
*
* @param viewer
*/
public LabelKeyListener(SourceViewer viewer) {
this.viewer = viewer;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.custom.VerifyKeyListener#verifyKey(org.eclipse.swt.events.VerifyEvent)
*/
/**
*
*
* @param event
*/
public void verifyKey(VerifyEvent event) {
if ((event.stateMask == SWT.CTRL) && (event.character == ' ')) {
if (viewer.canDoOperation(ISourceViewer.CONTENTASSIST_PROPOSALS)) {
viewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
}
event.doit = false;
} else if (event.character == SWT.CR) {
event.doit = false;
}
}
}
/**
*
*/
private class DocumentListener implements IDocumentListener {
/**
*
*
* @param event
*/
public void documentAboutToBeChanged(DocumentEvent event) {
}
/**
*
*
* @param event
*/
public void documentChanged(DocumentEvent event) {
validateInput();
}
}
}
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