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73005152 | 1 | /********************************************************************** |
c8422608 | 2 | * Copyright (c) 2005, 2013 IBM Corporation, Ericsson |
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3 | * All rights reserved. This program and the accompanying materials |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
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7 | * |
8 | * Contributors: | |
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9 | * IBM - Initial API and implementation |
10 | * Bernd Hufmann - Updated for TMF | |
73005152 | 11 | **********************************************************************/ |
c8422608 | 12 | |
df0b8ff4 | 13 | package org.eclipse.linuxtools.tmf.ui.views.uml2sd.dialogs; |
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14 | |
15 | import java.text.MessageFormat; | |
16 | ||
17 | import org.eclipse.jface.dialogs.Dialog; | |
18 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.provider.ISDAdvancedPagingProvider; | |
92330441 | 19 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.util.Messages; |
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20 | import org.eclipse.swt.SWT; |
21 | import org.eclipse.swt.layout.FillLayout; | |
22 | import org.eclipse.swt.layout.GridData; | |
23 | import org.eclipse.swt.widgets.Composite; | |
24 | import org.eclipse.swt.widgets.Control; | |
25 | import org.eclipse.swt.widgets.Group; | |
26 | import org.eclipse.swt.widgets.Label; | |
27 | import org.eclipse.swt.widgets.Text; | |
28 | import org.eclipse.ui.IViewPart; | |
29 | ||
30 | /** | |
df0b8ff4 | 31 | * Class implementation of the pages dialog.<br> |
a0a88f65 | 32 | * |
df0b8ff4 | 33 | * It is associated to an SDView and to a ISDAdvancedPagingProvider.<br> |
a0a88f65 | 34 | * |
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35 | * @version 1.0 |
36 | * @author sveyrier | |
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37 | */ |
38 | public class PagesDialog extends Dialog { | |
39 | ||
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40 | // ------------------------------------------------------------------------ |
41 | // Attributes | |
42 | // ------------------------------------------------------------------------ | |
43 | ||
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44 | /** |
45 | * viewer and provided are kept here as attributes | |
46 | */ | |
cab6c8ff | 47 | private ISDAdvancedPagingProvider fProvider = null; |
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48 | |
49 | /** Current page */ | |
cab6c8ff | 50 | private TextArea fCurrentPage; |
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51 | |
52 | /** Comment label */ | |
cab6c8ff | 53 | private Label fTotalPageComment; |
73005152 | 54 | |
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55 | // ------------------------------------------------------------------------ |
56 | // Constructors | |
57 | // ------------------------------------------------------------------------ | |
a0a88f65 | 58 | |
73005152 | 59 | /** |
df0b8ff4 | 60 | * Standard constructor |
a0a88f65 | 61 | * |
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62 | * @param view The sequence diagram view reference |
63 | * @param provider The paging provider reference | |
73005152 | 64 | */ |
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65 | public PagesDialog(IViewPart view, ISDAdvancedPagingProvider provider) { |
66 | super(view.getSite().getShell()); | |
67 | fProvider = provider; | |
df0b8ff4 | 68 | setShellStyle(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); |
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69 | } |
70 | ||
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71 | // ------------------------------------------------------------------------ |
72 | // Methods | |
73 | // ------------------------------------------------------------------------ | |
73005152 | 74 | |
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75 | @Override |
76 | public Control createDialogArea(Composite parent) { | |
77 | ||
78 | Group ret = new Group(parent, SWT.NONE); | |
79 | GridData data = new GridData(); | |
80 | data.grabExcessHorizontalSpace = true; | |
81 | data.horizontalAlignment = GridData.FILL; | |
82 | ret.setLayoutData(data); | |
92330441 | 83 | ret.setText(Messages.SequenceDiagram_PageNavigation); |
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84 | |
85 | FillLayout fillLayout = new FillLayout(SWT.VERTICAL); | |
86 | ret.setLayout(fillLayout); | |
87 | ||
88 | Label label = new Label(ret, SWT.NONE); | |
92330441 | 89 | label.setText(Messages.SequenceDiagram_CurrentPage); |
73005152 | 90 | |
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91 | fCurrentPage = new TextArea(ret); |
92 | fCurrentPage.setBounds(1, fProvider.pagesCount()); | |
93 | fCurrentPage.setValue(fProvider.currentPage() + 1); | |
73005152 | 94 | |
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95 | fTotalPageComment = new Label(ret, SWT.NONE); |
96 | fTotalPageComment.setAlignment(SWT.RIGHT); | |
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97 | |
98 | updateComments(); | |
99 | ||
92330441 | 100 | getShell().setText(Messages.SequenceDiagram_SequenceDiagramPages); |
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101 | return ret; |
102 | } | |
103 | ||
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104 | @Override |
105 | public void okPressed() { | |
eb63f5ff | 106 | int currentPageValue = fCurrentPage.getValue() - 1; |
73005152 | 107 | super.close(); |
eb63f5ff | 108 | fProvider.pageNumberChanged(currentPageValue); |
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109 | } |
110 | ||
df0b8ff4 | 111 | /** |
a0a88f65 | 112 | * Updates the comments texts. |
df0b8ff4 | 113 | */ |
cab6c8ff | 114 | private void updateComments() { |
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115 | int pages = Math.max(0, fProvider.pagesCount()); |
116 | StringBuffer totalPageCommentText = new StringBuffer(); | |
92330441 | 117 | totalPageCommentText.append(Messages.SequenceDiagram_Total); |
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118 | totalPageCommentText.append(pages); |
119 | totalPageCommentText.append(" "); //$NON-NLS-1$ | |
df0b8ff4 | 120 | if (pages == 0) { |
92330441 | 121 | totalPageCommentText.append(Messages.SequenceDiagram_pages); |
df0b8ff4 | 122 | } else if (pages == 1) { |
92330441 | 123 | totalPageCommentText.append(Messages.SequenceDiagram_page); |
df0b8ff4 | 124 | } else { |
92330441 | 125 | totalPageCommentText.append(Messages.SequenceDiagram_pages); |
df0b8ff4 | 126 | } |
eb63f5ff | 127 | fTotalPageComment.setText(totalPageCommentText.toString()); |
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128 | } |
129 | ||
a0a88f65 | 130 | |
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131 | // ------------------------------------------------------------------------ |
132 | // Helper classes | |
133 | // ------------------------------------------------------------------------ | |
11252342 | 134 | |
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135 | /** |
136 | * This is a Text Control that accepts only digits and ensures that bounds are respected | |
137 | */ | |
138 | protected static class TextArea { | |
139 | /** | |
140 | * The text field. | |
141 | */ | |
f26e290b | 142 | private Text fText; |
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143 | /** |
144 | * The minimum page value | |
145 | */ | |
f26e290b | 146 | private int fMin; |
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147 | /** |
148 | * The maximum page value | |
149 | */ | |
f26e290b | 150 | private int fMax; |
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151 | |
152 | /** | |
153 | * Constructor | |
a0a88f65 | 154 | * |
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155 | * @param parent The paren composite |
156 | */ | |
157 | public TextArea(Composite parent) { | |
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158 | fText = new Text(parent, SWT.SINGLE | SWT.BORDER | SWT.RIGHT); |
159 | fText.setTextLimit(10); | |
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160 | } |
161 | ||
162 | /** | |
163 | * Sets the page value. | |
a0a88f65 | 164 | * |
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165 | * @param page The page value |
166 | */ | |
167 | public void setValue(int page) { | |
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168 | int value = Math.max(fMin, Math.min(fMax, page)); |
169 | fText.setText(Integer.toString(value)); | |
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170 | } |
171 | ||
172 | /** | |
173 | * Returns the page value. | |
a0a88f65 | 174 | * |
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175 | * @return the page value |
176 | */ | |
177 | public int getValue() { | |
178 | int res; | |
179 | try { | |
eb63f5ff | 180 | res = Integer.parseInt(fText.getText()); |
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181 | } catch (Exception e) { |
182 | // ignored | |
183 | res = 0; | |
184 | } | |
eb63f5ff | 185 | return Math.max(fMin, Math.min(fMax, res)); |
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186 | } |
187 | ||
188 | /** | |
189 | * Sets the minimum and maximum page values. | |
a0a88f65 | 190 | * |
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191 | * @param min A minimum page value |
192 | * @param max A maximum page value | |
df0b8ff4 | 193 | */ |
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194 | public void setBounds(int min, int max) { |
195 | fMin = Math.max(0, min); | |
196 | fMax = Math.max(fMin, max); | |
df0b8ff4 | 197 | Integer tab[] = new Integer[2]; |
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198 | tab[0] = Integer.valueOf(fMin); |
199 | tab[1] = Integer.valueOf(fMax); | |
92330441 | 200 | fText.setToolTipText(MessageFormat.format(Messages.SequenceDiagram_IsInBetween, (Object[]) tab)); |
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201 | } |
202 | } | |
203 | ||
73005152 | 204 | } |