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/*******************************************************************************
* Copyright (c) 2004, 2008 John Krasnay 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:
* John Krasnay - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xml.vex.ui.internal.editor;
import java.text.MessageFormat;
import java.util.Arrays;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
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.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.wst.xml.vex.ui.internal.VexPlugin;
import org.eclipse.wst.xml.vex.ui.internal.config.DocumentType;
/**
* Dialog presented to the user to select a document type it cannot be
* determined from the document being opened.
*/
public class DocumentTypeSelectionDialog extends MessageDialog {
/**
* Class constructor.
*
* @param parentShell
* Parent Shell with respect to which this dialog is modal.
*/
protected DocumentTypeSelectionDialog(Shell parentShell, String title,
String message) {
super(
parentShell,
title,
null,
message,
MessageDialog.QUESTION,
new String[] {
Messages.getString("DocumentTypeSelectionDialog.ok"), Messages.getString("DocumentTypeSelectionDialog.cancel") }, 0); //$NON-NLS-1$ //$NON-NLS-2$
this.setShellStyle(SWT.RESIZE);
}
/**
* Creates a new instance of the dialog. The caller must call open() on the
* returned dialog to prompt the user. The open() method blocks until the
* user has closed the window. Once open() returns, the caller should call
* getDoctype() to get the selected doctype (or null if the dialog was
* canceled.
*
* @param parentShell
* Parent Shell of the dialog.
* @param publicId
* Public ID of the document being opened, or null if the
* document does not have a PUBLIC DOCTYPE declaration.
*/
public static DocumentTypeSelectionDialog create(Shell parentShell,
String publicId) {
String message;
if (publicId == null) {
message = Messages
.getString("DocumentTypeSelectionDialog.noDoctype"); //$NON-NLS-1$
} else {
message = Messages
.getString("DocumentTypeSelectionDialog.unknownDoctype"); //$NON-NLS-1$
}
return new DocumentTypeSelectionDialog(parentShell, Messages
.getString("DocumentTypeSelectionDialog.selectDoctype"), //$NON-NLS-1$
MessageFormat.format(message, new Object[] { publicId }));
}
protected Control createCustomArea(Composite parent) {
this.typeList = new ListViewer(parent, SWT.SINGLE | SWT.H_SCROLL
| SWT.V_SCROLL);
List list = typeList.getList();
list.addMouseListener(this.mouseListener);
GridData gd = new GridData();
gd.grabExcessHorizontalSpace = true;
gd.grabExcessVerticalSpace = true;
gd.horizontalAlignment = GridData.FILL;
gd.verticalAlignment = GridData.FILL;
gd.heightHint = 120;
list.setLayoutData(gd);
this.alwaysUseButton = new Button(parent, SWT.CHECK);
this.alwaysUseButton.setText(Messages
.getString("DocumentTypeSelectionDialog.alwaysUse")); //$NON-NLS-1$
DocumentType[] doctypes = VexPlugin.getInstance().getConfigurationRegistry().getDocumentTypesWithStyles();
Arrays.sort(doctypes);
this.typeList.add(doctypes);
return list;
}
protected void buttonPressed(int buttonId) {
if (buttonId == 0) {
IStructuredSelection selection = (IStructuredSelection) this.typeList
.getSelection();
this.doctype = (DocumentType) selection.getFirstElement();
this.alwaysUseThisDoctype = this.alwaysUseButton.getSelection();
}
super.buttonPressed(buttonId);
}
/**
* Returns the document type selected by the user, or null if none was
* selected.
*/
public DocumentType getDoctype() {
return this.doctype;
}
/**
* Returns true if Vex should always use this document type for the selected
* file.
*/
public boolean alwaysUseThisDoctype() {
return this.alwaysUseThisDoctype;
}
// ======================================================= PRIVATE
private DocumentType doctype;
private boolean alwaysUseThisDoctype;
private ListViewer typeList;
private Button alwaysUseButton;
private MouseListener mouseListener = new MouseListener() {
public void mouseDoubleClick(MouseEvent e) {
buttonPressed(0);
}
public void mouseDown(MouseEvent e) {
}
public void mouseUp(MouseEvent e) {
}
};
}
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