Mercurial > projects > dwt2
annotate org.eclipse.jface.snippets/EclipseJfaceSnippets/org/eclipse/jface/snippets/wizard/Snippet047WizardWithLongRunningOperation.d @ 34:a8a838017920
All JFace snippets build on windows
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 23 Mar 2009 15:06:06 +0100 |
| parents | c4b36186a9bc |
| children |
| rev | line source |
|---|---|
| 31 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2005, 2007 IBM Corporation and others. | |
| 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 | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module jface.snippets.wizard.Snippet047WizardWithLongRunningOperation; | |
| 14 | |
| 32 | 15 import org.eclipse.jface.viewers.ArrayContentProvider; |
| 16 import org.eclipse.jface.viewers.ISelectionChangedListener; | |
| 17 import org.eclipse.jface.viewers.SelectionChangedEvent; | |
| 18 import org.eclipse.jface.viewers.TableViewer; | |
| 19 import org.eclipse.jface.wizard.IWizardPage; | |
| 20 import org.eclipse.jface.wizard.Wizard; | |
| 21 import org.eclipse.jface.wizard.WizardDialog; | |
| 22 import org.eclipse.jface.wizard.WizardPage; | |
| 23 import org.eclipse.swt.SWT; | |
| 24 import org.eclipse.swt.events.SelectionAdapter; | |
| 25 import org.eclipse.swt.events.SelectionEvent; | |
| 26 import org.eclipse.swt.layout.FillLayout; | |
| 27 import org.eclipse.swt.layout.GridData; | |
| 28 import org.eclipse.swt.layout.GridLayout; | |
| 29 import org.eclipse.swt.widgets.Button; | |
| 30 import org.eclipse.swt.widgets.Composite; | |
| 31 import org.eclipse.swt.widgets.Display; | |
| 32 import org.eclipse.swt.widgets.Label; | |
| 33 import org.eclipse.swt.widgets.ProgressBar; | |
| 34 import org.eclipse.swt.widgets.Shell; | |
|
34
a8a838017920
All JFace snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
32
diff
changeset
|
35 import org.eclipse.jface.operation.IRunnableWithProgress; |
| 32 | 36 import java.lang.all; |
|
34
a8a838017920
All JFace snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
32
diff
changeset
|
37 import java.util.ArrayList; |
| 32 | 38 |
| 39 import java.lang.Thread; | |
| 31 | 40 import tango.text.convert.Format; |
| 41 | |
| 32 | 42 import org.eclipse.jface.operation.ModalContext; |
| 31 | 43 |
| 44 /** | |
| 45 * Example how to load data from a background thread into a TableViewer | |
| 46 * | |
| 47 * @author Tom Schindl <tom.schindl@bestsolution.at> | |
| 48 * @since 1.0 | |
| 49 */ | |
| 50 public class Snippet047WizardWithLongRunningOperation { | |
| 51 | |
| 52 private static class MyWizard : Wizard { | |
| 53 | |
| 54 private int loadingType; | |
| 55 | |
| 56 public this(int loadingType) { | |
| 57 this.loadingType = loadingType; | |
| 58 } | |
| 59 | |
| 60 /* | |
| 61 * (non-Javadoc) | |
| 62 * | |
| 32 | 63 * @see org.eclipse.jface.wizard.Wizard#addPages() |
| 31 | 64 */ |
| 65 public void addPages() { | |
| 66 addPage(new MyWizardPageThread("Thread Page", loadingType)); | |
| 67 addPage(new MyWizardPage("Standard Page")); | |
| 68 } | |
| 69 | |
| 70 public bool performFinish() { | |
| 71 return true; | |
| 72 } | |
| 73 | |
| 74 /* | |
| 75 * (non-Javadoc) | |
| 76 * | |
| 32 | 77 * @see org.eclipse.jface.wizard.Wizard#canFinish() |
| 31 | 78 */ |
| 79 public bool canFinish() { | |
| 80 IWizardPage[] pages = getPages(); | |
| 81 for (int i = 0; i < pages.length; i++) { | |
| 82 if (!pages[i].isPageComplete()) { | |
| 83 return false; | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 return true; | |
| 88 } | |
| 89 | |
| 90 }; | |
| 91 | |
| 92 private static class MyWizardPage : WizardPage { | |
| 93 | |
| 94 protected this(String pageName) { | |
| 95 super(pageName); | |
| 96 setTitle(pageName); | |
| 97 } | |
| 98 | |
| 99 public /+override+/ void createControl(Composite parent) { | |
| 32 | 100 Composite comp = new Composite(parent, SWT.NONE); |
| 31 | 101 setControl(comp); |
| 102 } | |
| 103 } | |
| 104 | |
| 105 private static class MyWizardPageThread : WizardPage { | |
| 106 private int loadingType; | |
| 107 private bool loading = true; | |
| 108 private TableViewer v; | |
| 109 | |
| 110 protected this(String pageName, int loadingType) { | |
| 111 super(pageName); | |
| 112 this.loadingType = loadingType; | |
| 113 setTitle(pageName); | |
| 114 } | |
| 115 | |
| 116 public /+override+/ void createControl(Composite parent) { | |
| 117 auto mt = new MyThread(); | |
| 118 mt.parent = parent; | |
| 119 | |
| 32 | 120 mt.comp = new Composite(parent, SWT.NONE); |
| 31 | 121 mt.comp.setLayout(new GridLayout(1, false)); |
| 122 | |
| 32 | 123 v = new TableViewer(mt.comp, SWT.FULL_SELECTION); |
| 31 | 124 v.setContentProvider(new ArrayContentProvider!(Object)()); |
| 125 v.getTable().setLayoutData(new GridData(GridData.FILL_BOTH)); | |
| 126 v.addSelectionChangedListener(new class ISelectionChangedListener { | |
| 127 | |
| 128 public void selectionChanged(SelectionChangedEvent event) { | |
| 129 getWizard().getContainer().updateButtons(); | |
| 130 } | |
| 131 | |
| 132 }); | |
| 133 | |
| 32 | 134 mt.barContainer = new Composite(mt.comp, SWT.NONE); |
| 31 | 135 mt.barContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| 136 mt.barContainer.setLayout(new GridLayout(2, false)); | |
| 137 | |
| 32 | 138 Label l = new Label(mt.barContainer, SWT.NONE); |
| 31 | 139 l.setText("Loading Data"); |
| 140 | |
| 141 mt.bar = new ProgressBar(mt.barContainer, | |
| 32 | 142 (loadingType == 1) ? SWT.INDETERMINATE : SWT.NONE); |
| 31 | 143 mt.bar.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| 144 | |
| 145 if (loadingType == 2) { | |
| 146 mt.bar.setMaximum(10); | |
| 147 } | |
| 148 | |
| 149 setControl(mt.comp); | |
|
34
a8a838017920
All JFace snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
32
diff
changeset
|
150 dialog.run( true, true, dgIRunnableWithProgress(&mt.threadWork)); |
| 31 | 151 } |
| 152 class MyThread { | |
| 153 private Composite parent; | |
| 154 private Composite barContainer; | |
| 155 private Composite comp; | |
| 156 private ProgressBar bar; | |
| 157 | |
| 158 private void threadWork(){ | |
| 159 if (loadingType == 1) { | |
| 160 try { | |
| 32 | 161 Thread.sleep(10_000); |
| 31 | 162 ArrayList ms = new ArrayList(); |
| 163 for (int i = 0; i < 10; i++) { | |
| 164 ms.add(new MyModel(i)); | |
| 165 } | |
| 166 | |
| 167 if (v.getTable().isDisposed()) { | |
| 168 return; | |
| 169 } | |
| 170 | |
| 171 parent.getDisplay().asyncExec(dgRunnable((ArrayList ms_){ | |
| 172 v.setInput(ms_); | |
| 173 (cast(GridData) barContainer.getLayoutData()).exclude = true; | |
| 174 comp.layout(true); | |
| 175 }, ms )); | |
| 176 } catch (InterruptedException e) { | |
| 177 // TODO Auto-generated catch block | |
| 178 ExceptionPrintStackTrace(e); | |
| 179 } | |
| 180 } else { | |
| 181 ArrayList ms = new ArrayList(); | |
| 182 parent.getDisplay().syncExec( dgRunnable( (ArrayList ms_){ | |
| 183 v.setInput(ms_); | |
| 184 }, ms )); | |
| 185 | |
| 186 for (int i = 0; i < 10; i++) { | |
| 187 int j = i; | |
| 188 if (v.getTable().isDisposed()) { | |
| 189 return; | |
| 190 } | |
| 191 parent.getDisplay().asyncExec( dgRunnable( (int j_){ | |
| 192 MyModel tmp = new MyModel(j_); | |
| 193 v.add(tmp); | |
| 194 ms.add(tmp); | |
| 195 bar.setSelection(j_ + 1); | |
| 196 }, j )); | |
| 197 | |
| 198 try { | |
| 32 | 199 Thread.sleep(1_000); |
| 31 | 200 } catch (InterruptedException e) { |
| 201 // TODO Auto-generated catch block | |
| 202 ExceptionPrintStackTrace(e); | |
| 203 } | |
| 204 } | |
| 205 | |
| 206 parent.getDisplay().asyncExec(dgRunnable( { | |
| 207 | |
| 208 (cast(GridData) barContainer.getLayoutData()).exclude = true; | |
| 209 comp.layout(true); | |
| 210 })); | |
| 211 } | |
| 212 | |
| 213 parent.getDisplay().syncExec(dgRunnable( { | |
| 214 loading = false; | |
| 215 getWizard().getContainer().updateButtons(); | |
| 216 })); | |
| 217 } | |
| 218 } | |
| 219 public bool isPageComplete() { | |
| 220 return !loading && !v.getSelection().isEmpty(); | |
| 221 } | |
| 222 | |
| 223 } | |
| 224 | |
| 225 private static class MyModel { | |
| 226 private int index; | |
| 227 | |
| 228 public this(int index) { | |
| 229 this.index = index; | |
| 230 } | |
| 231 | |
| 232 public String toString() { | |
| 233 return Format("Item-{}", index); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 static Shell shell; | |
|
34
a8a838017920
All JFace snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
32
diff
changeset
|
238 static WizardDialog dialog; |
| 31 | 239 public static void main(String[] args) { |
| 240 Display display = new Display(); | |
| 241 | |
| 242 shell = new Shell(display); | |
| 243 shell.setLayout(new FillLayout()); | |
| 244 | |
| 32 | 245 Button b = new Button(shell, SWT.PUSH); |
| 31 | 246 b.setText("Load in one Chunk"); |
| 247 b.addSelectionListener(new class SelectionAdapter { | |
| 248 | |
| 249 public void widgetSelected(SelectionEvent e) { | |
|
34
a8a838017920
All JFace snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
32
diff
changeset
|
250 dialog = new WizardDialog(shell, new MyWizard(1)); |
| 31 | 251 dialog.open(); |
| 252 } | |
| 253 | |
| 254 }); | |
| 255 | |
| 32 | 256 b = new Button(shell, SWT.PUSH); |
| 31 | 257 b.setText("Load Item by Item"); |
| 258 b.addSelectionListener(new class SelectionAdapter { | |
| 259 | |
| 260 public void widgetSelected(SelectionEvent e) { | |
|
34
a8a838017920
All JFace snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
32
diff
changeset
|
261 dialog = new WizardDialog(shell, new MyWizard(2)); |
| 31 | 262 dialog.open(); |
| 263 } | |
| 264 | |
| 265 }); | |
| 266 | |
| 267 shell.open(); | |
| 268 | |
| 269 while (!shell.isDisposed()) { | |
| 270 if (!display.readAndDispatch()) | |
| 271 display.sleep(); | |
| 272 } | |
| 273 | |
| 274 display.dispose(); | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 void main(){ | |
| 279 Snippet047WizardWithLongRunningOperation.main(null); | |
| 280 } |