| /********************************************************************** |
| * Copyright (c) 2005, 2014 IBM Corporation, Ericsson |
| * All rights reserved. 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 - Initial API and implementation |
| * Bernd Hufmann - Updated for TMF |
| **********************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.views.uml2sd.dialogs; |
| |
| import java.text.MessageFormat; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Group; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.handlers.provider.ISDAdvancedPagingProvider; |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.util.Messages; |
| import org.eclipse.ui.IViewPart; |
| |
| /** |
| * Class implementation of the pages dialog.<br> |
| * |
| * It is associated to an SDView and to a ISDAdvancedPagingProvider.<br> |
| * |
| * @version 1.0 |
| * @author sveyrier |
| */ |
| public class PagesDialog extends Dialog { |
| |
| // ------------------------------------------------------------------------ |
| // Attributes |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * viewer and provided are kept here as attributes |
| */ |
| private ISDAdvancedPagingProvider fProvider = null; |
| |
| /** Current page */ |
| private TextArea fCurrentPage; |
| |
| /** Comment label */ |
| private Label fTotalPageComment; |
| |
| // ------------------------------------------------------------------------ |
| // Constructors |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Standard constructor |
| * |
| * @param view The sequence diagram view reference |
| * @param provider The paging provider reference |
| */ |
| public PagesDialog(IViewPart view, ISDAdvancedPagingProvider provider) { |
| super(view.getSite().getShell()); |
| fProvider = provider; |
| setShellStyle(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Methods |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public Control createDialogArea(Composite parent) { |
| |
| Group ret = new Group(parent, SWT.NONE); |
| GridData data = new GridData(); |
| data.grabExcessHorizontalSpace = true; |
| data.horizontalAlignment = GridData.FILL; |
| ret.setLayoutData(data); |
| ret.setText(Messages.SequenceDiagram_PageNavigation); |
| |
| FillLayout fillLayout = new FillLayout(SWT.VERTICAL); |
| ret.setLayout(fillLayout); |
| |
| Label label = new Label(ret, SWT.NONE); |
| label.setText(Messages.SequenceDiagram_CurrentPage); |
| |
| fCurrentPage = new TextArea(ret); |
| fCurrentPage.setBounds(1, fProvider.pagesCount()); |
| fCurrentPage.setValue(fProvider.currentPage() + 1); |
| |
| fTotalPageComment = new Label(ret, SWT.NONE); |
| fTotalPageComment.setAlignment(SWT.RIGHT); |
| |
| updateComments(); |
| |
| getShell().setText(Messages.SequenceDiagram_SequenceDiagramPages); |
| return ret; |
| } |
| |
| @Override |
| public void okPressed() { |
| int currentPageValue = fCurrentPage.getValue() - 1; |
| super.close(); |
| fProvider.pageNumberChanged(currentPageValue); |
| } |
| |
| /** |
| * Updates the comments texts. |
| */ |
| private void updateComments() { |
| int pages = Math.max(0, fProvider.pagesCount()); |
| StringBuffer totalPageCommentText = new StringBuffer(); |
| totalPageCommentText.append(Messages.SequenceDiagram_Total); |
| totalPageCommentText.append(pages); |
| totalPageCommentText.append(" "); //$NON-NLS-1$ |
| if (pages == 0) { |
| totalPageCommentText.append(Messages.SequenceDiagram_pages); |
| } else if (pages == 1) { |
| totalPageCommentText.append(Messages.SequenceDiagram_page); |
| } else { |
| totalPageCommentText.append(Messages.SequenceDiagram_pages); |
| } |
| fTotalPageComment.setText(totalPageCommentText.toString()); |
| } |
| |
| |
| // ------------------------------------------------------------------------ |
| // Helper classes |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * This is a Text Control that accepts only digits and ensures that bounds are respected |
| */ |
| protected static class TextArea { |
| /** |
| * The text field. |
| */ |
| private Text fText; |
| /** |
| * The minimum page value |
| */ |
| private int fMin; |
| /** |
| * The maximum page value |
| */ |
| private int fMax; |
| |
| /** |
| * Constructor |
| * |
| * @param parent The paren composite |
| */ |
| public TextArea(Composite parent) { |
| fText = new Text(parent, SWT.SINGLE | SWT.BORDER | SWT.RIGHT); |
| fText.setTextLimit(10); |
| } |
| |
| /** |
| * Sets the page value. |
| * |
| * @param page The page value |
| */ |
| public void setValue(int page) { |
| int value = Math.max(fMin, Math.min(fMax, page)); |
| fText.setText(Integer.toString(value)); |
| } |
| |
| /** |
| * Returns the page value. |
| * |
| * @return the page value |
| */ |
| public int getValue() { |
| int res; |
| try { |
| res = Integer.parseInt(fText.getText()); |
| } catch (Exception e) { |
| // ignored |
| res = 0; |
| } |
| return Math.max(fMin, Math.min(fMax, res)); |
| } |
| |
| /** |
| * Sets the minimum and maximum page values. |
| * |
| * @param min A minimum page value |
| * @param max A maximum page value |
| */ |
| public void setBounds(int min, int max) { |
| fMin = Math.max(0, min); |
| fMax = Math.max(fMin, max); |
| Integer tab[] = new Integer[2]; |
| tab[0] = Integer.valueOf(fMin); |
| tab[1] = Integer.valueOf(fMax); |
| fText.setToolTipText(MessageFormat.format(Messages.SequenceDiagram_IsInBetween, (Object[]) tab)); |
| } |
| } |
| |
| } |