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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; | |
19 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.util.SDMessages; | |
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 | */ | |
eb63f5ff | 47 | protected ISDAdvancedPagingProvider fProvider = null; |
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48 | |
49 | /** Current page */ | |
eb63f5ff | 50 | protected TextArea fCurrentPage; |
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51 | |
52 | /** Comment label */ | |
eb63f5ff | 53 | protected 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 | /* |
76 | * (non-Javadoc) | |
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77 | * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
78 | */ | |
79 | @Override | |
80 | public Control createDialogArea(Composite parent) { | |
81 | ||
82 | Group ret = new Group(parent, SWT.NONE); | |
83 | GridData data = new GridData(); | |
84 | data.grabExcessHorizontalSpace = true; | |
85 | data.horizontalAlignment = GridData.FILL; | |
86 | ret.setLayoutData(data); | |
87 | ret.setText(SDMessages._67); | |
88 | ||
89 | FillLayout fillLayout = new FillLayout(SWT.VERTICAL); | |
90 | ret.setLayout(fillLayout); | |
91 | ||
92 | Label label = new Label(ret, SWT.NONE); | |
93 | label.setText(SDMessages._75); | |
94 | ||
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95 | fCurrentPage = new TextArea(ret); |
96 | fCurrentPage.setBounds(1, fProvider.pagesCount()); | |
97 | fCurrentPage.setValue(fProvider.currentPage() + 1); | |
73005152 | 98 | |
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99 | fTotalPageComment = new Label(ret, SWT.NONE); |
100 | fTotalPageComment.setAlignment(SWT.RIGHT); | |
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101 | |
102 | updateComments(); | |
103 | ||
104 | getShell().setText(SDMessages._68); | |
105 | return ret; | |
106 | } | |
107 | ||
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108 | /* |
109 | * (non-Javadoc) | |
110 | * @see org.eclipse.jface.dialogs.Dialog#okPressed() | |
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111 | */ |
112 | @Override | |
113 | public void okPressed() { | |
eb63f5ff | 114 | int currentPageValue = fCurrentPage.getValue() - 1; |
73005152 | 115 | super.close(); |
eb63f5ff | 116 | fProvider.pageNumberChanged(currentPageValue); |
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117 | } |
118 | ||
df0b8ff4 | 119 | /** |
a0a88f65 | 120 | * Updates the comments texts. |
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121 | */ |
122 | protected void updateComments() { | |
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123 | int pages = Math.max(0, fProvider.pagesCount()); |
124 | StringBuffer totalPageCommentText = new StringBuffer(); | |
125 | totalPageCommentText.append(SDMessages._70); | |
126 | totalPageCommentText.append(pages); | |
127 | totalPageCommentText.append(" "); //$NON-NLS-1$ | |
df0b8ff4 | 128 | if (pages == 0) { |
eb63f5ff | 129 | totalPageCommentText.append(SDMessages._71); |
df0b8ff4 | 130 | } else if (pages == 1) { |
eb63f5ff | 131 | totalPageCommentText.append(SDMessages._72); |
df0b8ff4 | 132 | } else { |
eb63f5ff | 133 | totalPageCommentText.append(SDMessages._73); |
df0b8ff4 | 134 | } |
eb63f5ff | 135 | fTotalPageComment.setText(totalPageCommentText.toString()); |
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136 | } |
137 | ||
a0a88f65 | 138 | |
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139 | // ------------------------------------------------------------------------ |
140 | // Helper classes | |
141 | // ------------------------------------------------------------------------ | |
142 | /** | |
143 | * This is a Text Control that accepts only digits and ensures that bounds are respected | |
144 | */ | |
145 | protected static class TextArea { | |
146 | /** | |
147 | * The text field. | |
148 | */ | |
eb63f5ff | 149 | protected Text fText; |
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150 | /** |
151 | * The minimum page value | |
152 | */ | |
eb63f5ff | 153 | int fMin; |
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154 | /** |
155 | * The maximum page value | |
156 | */ | |
eb63f5ff | 157 | int fMax; |
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158 | |
159 | /** | |
160 | * Constructor | |
a0a88f65 | 161 | * |
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162 | * @param parent The paren composite |
163 | */ | |
164 | public TextArea(Composite parent) { | |
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165 | fText = new Text(parent, SWT.SINGLE | SWT.BORDER | SWT.RIGHT); |
166 | fText.setTextLimit(10); | |
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167 | } |
168 | ||
169 | /** | |
170 | * Sets the page value. | |
a0a88f65 | 171 | * |
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172 | * @param page The page value |
173 | */ | |
174 | public void setValue(int page) { | |
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175 | int value = Math.max(fMin, Math.min(fMax, page)); |
176 | fText.setText(Integer.toString(value)); | |
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177 | } |
178 | ||
179 | /** | |
180 | * Returns the page value. | |
a0a88f65 | 181 | * |
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182 | * @return the page value |
183 | */ | |
184 | public int getValue() { | |
185 | int res; | |
186 | try { | |
eb63f5ff | 187 | res = Integer.parseInt(fText.getText()); |
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188 | } catch (Exception e) { |
189 | // ignored | |
190 | res = 0; | |
191 | } | |
eb63f5ff | 192 | return Math.max(fMin, Math.min(fMax, res)); |
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193 | } |
194 | ||
195 | /** | |
196 | * Sets the minimum and maximum page values. | |
a0a88f65 | 197 | * |
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198 | * @param min A minimum page value |
199 | * @param max A maximum page value | |
df0b8ff4 | 200 | */ |
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201 | public void setBounds(int min, int max) { |
202 | fMin = Math.max(0, min); | |
203 | fMax = Math.max(fMin, max); | |
df0b8ff4 | 204 | Integer tab[] = new Integer[2]; |
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205 | tab[0] = Integer.valueOf(fMin); |
206 | tab[1] = Integer.valueOf(fMax); | |
207 | fText.setToolTipText(MessageFormat.format(SDMessages._69, (Object[]) tab)); | |
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208 | } |
209 | } | |
210 | ||
73005152 | 211 | } |