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Merge branch 'master' into lttng_2_0_control_dev
[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng2.ui / src / org / eclipse / linuxtools / internal / lttng2 / ui / views / control / dialogs / CreateChannelDialog.java
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BH		 1/**********************************************************************
2 * Copyright (c) 2012 Ericsson
3 *
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
8 *
9 * Contributors:
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
115b4a01 12package org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs;
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BH		 13
14import org.eclipse.jface.dialogs.Dialog;
15import org.eclipse.jface.dialogs.IDialogConstants;
16import org.eclipse.jface.dialogs.MessageDialog;
115b4a01
BH		 17import org.eclipse.linuxtools.internal.lttng2.ui.Activator;
18import org.eclipse.linuxtools.internal.lttng2.ui.views.control.Messages;
19import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.IChannelInfo;
20import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.ChannelInfo;
21import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceDomainComponent;
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BH		 22import org.eclipse.swt.SWT;
23import org.eclipse.swt.events.VerifyEvent;
24import org.eclipse.swt.events.VerifyListener;
25import org.eclipse.swt.graphics.Point;
26import org.eclipse.swt.layout.GridData;
27import org.eclipse.swt.layout.GridLayout;
28import org.eclipse.swt.widgets.Button;
29import org.eclipse.swt.widgets.Composite;
30import org.eclipse.swt.widgets.Control;
31import org.eclipse.swt.widgets.Group;
32import org.eclipse.swt.widgets.Label;
33import org.eclipse.swt.widgets.Shell;
34import org.eclipse.swt.widgets.Text;
35
36/**
37 * <b><u>CreateChannelDialog</u></b>
38 * <p>
39 * Dialog box for collecting channel creation information.
40 * </p>
41 */
42public class CreateChannelDialog extends Dialog implements ICreateChannelOnSessionDialog {
43
44 // ------------------------------------------------------------------------
45 // Constants
46 // ------------------------------------------------------------------------
47 /**
48 * The icon file for this dialog box.
49 */
50 public static final String ENABLE_CHANNEL_ICON_FILE = "icons/elcl16/edit.gif"; //$NON-NLS-1$
51
52 // ------------------------------------------------------------------------
53 // Attributes
54 // ------------------------------------------------------------------------
55 /**
56 * The dialog composite.
57 */
58 private Composite fDialogComposite = null;
59 /**
60 * The text widget for the channel name
61 */
62 private Text fChannelNameText = null;
63 /**
64 * The overwrite mode of the channel.
65 */
66 private Button fOverwriteModeButton;
67 /**
68 * The sub-buffer size of the channel.
69 */
70 private Text fSubBufferSizeText;
71 /**
72 * The number of sub-buffers of the channel.
73 */
74 private Text fNumberOfSubBuffersText;
75 /**
76 * The switch timer interval of the channel.
77 */
78 private Text fSwitchTimerText;
79 /**
80 * The read timer interval of the channel.
81 */
82 private Text fReadTimerText;
83 /**
84 * Group composite for domain selection.
85 */
86 private Group fDomainGroup = null;
87 /**
88 * Radio button for selecting kernel domain.
89 */
90 private Button fKernelButton;
91 /**
92 * Radio button for selecting UST domain.
93 */
94 private Button fUstButton;
95 /**
96 * The parent domain component where the channel node should be added.
97 * Null in case of creation on session level.
98 */
99 private TraceDomainComponent fDomain;
100 /**
101 * Common verify listener for numeric text input.
102 */
103 private VerifyListener fVerifyListener;
104 /**
105 * Output channel information.
106 */
107 private IChannelInfo fChannelInfo;
108 /**
109 * Output domain information. True in case of Kernel domain. False for UST.
110 */
111 private boolean fIsKernel;
112
113 // ------------------------------------------------------------------------
114 // Constructors
115 // ------------------------------------------------------------------------
116
117 /**
118 * Constructor
119 * @param shell - a shell for the display of the dialog
120 */
121 public CreateChannelDialog(Shell shell) {
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BH		 122 super(shell);
123 fIsKernel = true;
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BH		 124
125 // Common verify listener
126 fVerifyListener = new VerifyListener() {
127 @Override
128 public void verifyText(VerifyEvent e) {
129 // only numbers are allowed.
130 e.doit = e.text.matches("[0-9]*"); //$NON-NLS-1$
131 }
132 };
133 }
134
135 // ------------------------------------------------------------------------
136 // Accessors
137 // ------------------------------------------------------------------------
138 /*
139 * (non-Javadoc)
115b4a01 140 * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.ICreateChannelDialog#getChannelInfo()
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BH		 141 */
142 @Override
143 public IChannelInfo getChannelInfo() {
144 return fChannelInfo;
145 }
146
d132bcc7
BH		 147 /*
148 * (non-Javadoc)
115b4a01 149 * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.ICreateChannelDialog#setDomainComponent(org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceDomainComponent)
d132bcc7
BH		 150 */
151 @Override
152 public void setDomainComponent(TraceDomainComponent domain) {
153 fDomain = domain;
154 if (fDomain != null) {
155 fIsKernel = fDomain.isKernel();
156 } else {
157 fIsKernel = true;
158 }
159 }
160
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BH		 161 /*
162 * (non-Javadoc)
115b4a01 163 * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.ICreateChannelOnSessionDialog#isKernel()
bbb3538a
BH		 164 */
165 @Override
166 public boolean isKernel() {
167 return fIsKernel;
168 }
169
170 // ------------------------------------------------------------------------
171 // Operations
172 // ------------------------------------------------------------------------
173 /*
174 * (non-Javadoc)
175 * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
176 */
177 @Override
178 protected void configureShell(Shell newShell) {
179 super.configureShell(newShell);
180 newShell.setText(Messages.TraceControl_EnableChannelDialogTitle);
31a6a4e4 181 newShell.setImage(Activator.getDefault().loadIcon(ENABLE_CHANNEL_ICON_FILE));
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BH		 182 }
183
184 /*
185 * (non-Javadoc)
186 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
187 */
188 @Override
189 protected Control createDialogArea(Composite parent) {
190
191 // Main dialog panel
192 fDialogComposite = new Composite(parent, SWT.NONE);
193 GridLayout layout = new GridLayout(2, true);
194 fDialogComposite.setLayout(layout);
195
196 Label channelNameLabel = new Label(fDialogComposite, SWT.RIGHT);
197 channelNameLabel.setText(Messages.TraceControl_EnableChannelNameLabel);
198 fChannelNameText = new Text(fDialogComposite, SWT.NONE);
498704b3 199 fChannelNameText.setToolTipText(Messages.TraceControl_EnableChannelNameTooltip);
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BH		 200
201 Label subBufferSizeLabel = new Label(fDialogComposite, SWT.RIGHT);
202 subBufferSizeLabel.setText(Messages.TraceControl_SubBufferSizePropertyName);
203 fSubBufferSizeText = new Text(fDialogComposite, SWT.NONE);
204 fSubBufferSizeText.setToolTipText(Messages.TraceControl_EnableChannelSubBufferSizeTooltip);
205 fSubBufferSizeText.addVerifyListener(fVerifyListener);
206
207 Label numSubBufferLabel = new Label(fDialogComposite, SWT.RIGHT);
208 numSubBufferLabel.setText(Messages.TraceControl_NbSubBuffersPropertyName);
209 fNumberOfSubBuffersText = new Text(fDialogComposite, SWT.NONE);
210 fNumberOfSubBuffersText.setToolTipText(Messages.TraceControl_EnableChannelNbSubBuffersTooltip);
211 fNumberOfSubBuffersText.addVerifyListener(fVerifyListener);
212
213 Label switchTimerLabel = new Label(fDialogComposite, SWT.RIGHT);
214 switchTimerLabel.setText(Messages.TraceControl_SwitchTimerPropertyName);
215 fSwitchTimerText = new Text(fDialogComposite, SWT.NONE);
216 fSwitchTimerText.setToolTipText(Messages.TraceControl_EnableChannelSwitchTimerTooltip);
217 fSwitchTimerText.addVerifyListener(fVerifyListener);
218
219 Label readTimerLabel = new Label(fDialogComposite, SWT.RIGHT);
220 readTimerLabel.setText(Messages.TraceControl_ReadTimerPropertyName);
221 fReadTimerText = new Text(fDialogComposite, SWT.NONE);
222 fReadTimerText.setToolTipText(Messages.TraceControl_EnableChannelReadTimerTooltip);
223 fReadTimerText.addVerifyListener(fVerifyListener);
224
225 fOverwriteModeButton = new Button(fDialogComposite, SWT.CHECK);
226 fOverwriteModeButton.setText(Messages.TraceControl_OverwriteModePropertyName);
227 fOverwriteModeButton.setToolTipText(Messages.TraceControl_EnableChannelOverwriteModeTooltip);
228 new Label(fDialogComposite, SWT.RIGHT);
229
230 fDomainGroup = new Group(fDialogComposite, SWT.SHADOW_NONE);
231 fDomainGroup.setText(Messages.TraceControl_DomainDisplayName);
232 layout = new GridLayout(2, true);
233 fDomainGroup.setLayout(layout);
234
235 fKernelButton = new Button(fDomainGroup, SWT.RADIO);
236 fKernelButton.setText(Messages.TraceControl_KernelDomainDisplayName);
237 fKernelButton.setSelection(fIsKernel);
238 fUstButton = new Button(fDomainGroup, SWT.RADIO);
239 fUstButton.setText(Messages.TraceControl_UstDisplayName);
240 fUstButton.setSelection(!fIsKernel);
241
242 if (fDomain != null) {
243 fKernelButton.setEnabled(false);
244 fUstButton.setEnabled(false);
245 }
246
247 // layout widgets
248 GridData data = new GridData(GridData.FILL, GridData.CENTER, false, false, 2, 1);
249 fDomainGroup.setLayoutData(data);
250
251 data = new GridData(SWT.BEGINNING, SWT.BEGINNING, true, true);
252 fKernelButton.setLayoutData(data);
253 data = new GridData(SWT.BEGINNING, SWT.BEGINNING, true, true);
254 fUstButton.setLayoutData(data);
255
256 data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
257 fSubBufferSizeText.setText("666.666.666.666"); //$NON-NLS-1$
258 Point minSize = fSubBufferSizeText.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
259 data.widthHint = minSize.x + 5;
260
261 fChannelNameText.setLayoutData(data);
262 fSubBufferSizeText.setLayoutData(data);
263 fNumberOfSubBuffersText.setLayoutData(data);
264 fSwitchTimerText.setLayoutData(data);
265 fReadTimerText.setLayoutData(data);
266
267 fSubBufferSizeText.setText(""); //$NON-NLS-1$
268
269 setDefaults();
270
271 return fDialogComposite;
272 }
273
274 /*
275 * (non-Javadoc)
276 * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
277 */
278 @Override
279 protected void createButtonsForButtonBar(Composite parent) {
280 createButton(parent, IDialogConstants.DETAILS_ID, "Default", true); //$NON-NLS-1$
281 createButton(parent, IDialogConstants.OK_ID, "&Ok", true); //$NON-NLS-1$
282 }
283
284 /*
285 * (non-Javadoc)
286 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
287 */
288 @Override
289 protected void okPressed() {
290 // Set channel information
291 fChannelInfo = new ChannelInfo(fChannelNameText.getText());
292 fChannelInfo.setSubBufferSize(Long.parseLong(fSubBufferSizeText.getText()));
293 fChannelInfo.setNumberOfSubBuffers(Integer.parseInt(fNumberOfSubBuffersText.getText()));
294 fChannelInfo.setSwitchTimer(Long.parseLong(fSwitchTimerText.getText()));
295 fChannelInfo.setReadTimer(Long.parseLong(fReadTimerText.getText()));
296 fChannelInfo.setOverwriteMode(fOverwriteModeButton.getSelection());
297
298 if (fKernelButton.getSelection() == true) {
299 fIsKernel = true;
300 } else {
301 fIsKernel = false;
302 }
303
304 // Check for invalid names
498704b3 305 if (!fChannelInfo.getName().matches("^[a-zA-Z0-9\\-\\_]{1,}$")) { //$NON-NLS-1$
bbb3538a
BH		 306 MessageDialog.openError(getShell(),
307 Messages.TraceControl_EnableChannelDialogTitle,
308 Messages.TraceControl_InvalidChannelNameError + " (" + fChannelInfo.getName() + ") \n"); //$NON-NLS-1$ //$NON-NLS-2$
309 return;
310 }
311
312 // Check for duplicate names
313 if (fDomain != null && fDomain.containsChild(fChannelInfo.getName())) {
314 MessageDialog.openError(getShell(),
315 Messages.TraceControl_EnableChannelDialogTitle,
316 Messages.TraceControl_ChannelAlreadyExistsError + " (" + fChannelInfo.getName() + ") \n"); //$NON-NLS-1$ //$NON-NLS-2$
317 return;
318 }
319
320 // validation successful -> call super.okPressed()
321 super.okPressed();
322 }
323
324 /*
325 * (non-Javadoc)
326 * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
327 */
328 @Override
329 protected void buttonPressed(int buttonId) {
330 if (buttonId == IDialogConstants.DETAILS_ID) {
331 setDefaults();
332 return;
333 }
334 super.buttonPressed(buttonId);
335 }
336
337 // ------------------------------------------------------------------------
338 // Helper methods
339 // ------------------------------------------------------------------------
340 /**
341 * Sets default value depending on Kernel or UST
342 */
343 private void setDefaults() {
344 fSwitchTimerText.setText(String.valueOf(IChannelInfo.DEFAULT_SWITCH_TIMER));
345 fReadTimerText.setText(String.valueOf(IChannelInfo.DEFAULT_READ_TIMER));
346 fOverwriteModeButton.setSelection(IChannelInfo.DEFAULT_OVERWRITE_MODE);
347 if (fKernelButton.getSelection()) {
348 fSubBufferSizeText.setText(String.valueOf(IChannelInfo.DEFAULT_SUB_BUFFER_SIZE_KERNEL));
349 fNumberOfSubBuffersText.setText(String.valueOf(IChannelInfo.DEFAULT_NUMBER_OF_SUB_BUFFERS_KERNEL));
350 } else {
351 fSubBufferSizeText.setText(String.valueOf(IChannelInfo.DEFAULT_SUB_BUFFER_SIZE_UST));
352 fNumberOfSubBuffersText.setText(String.valueOf(IChannelInfo.DEFAULT_NUMBER_OF_SUB_BUFFERS_UST));
353 }
354 }
355}
Tracecompass - Deliverables
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