1 /**********************************************************************
2 * Copyright (c) 2012 Ericsson
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
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
12 package org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.dialogs
;
14 import java
.util
.ArrayList
;
15 import java
.util
.Iterator
;
16 import java
.util
.List
;
18 import org
.eclipse
.jface
.dialogs
.Dialog
;
19 import org
.eclipse
.jface
.dialogs
.IDialogConstants
;
20 import org
.eclipse
.jface
.viewers
.CheckStateChangedEvent
;
21 import org
.eclipse
.jface
.viewers
.CheckboxTreeViewer
;
22 import org
.eclipse
.jface
.viewers
.ColumnLabelProvider
;
23 import org
.eclipse
.jface
.viewers
.ICheckStateListener
;
24 import org
.eclipse
.jface
.viewers
.ITreeContentProvider
;
25 import org
.eclipse
.jface
.viewers
.Viewer
;
26 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.Activator
;
27 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.Messages
;
28 import org
.eclipse
.swt
.SWT
;
29 import org
.eclipse
.swt
.graphics
.Point
;
30 import org
.eclipse
.swt
.layout
.GridData
;
31 import org
.eclipse
.swt
.layout
.GridLayout
;
32 import org
.eclipse
.swt
.widgets
.Composite
;
33 import org
.eclipse
.swt
.widgets
.Control
;
34 import org
.eclipse
.swt
.widgets
.Group
;
35 import org
.eclipse
.swt
.widgets
.Shell
;
38 * <b><u>AddContextDialog</u></b>
40 * Dialog box for collecting information about contexts to be added to channels/events.
43 public class AddContextDialog
extends Dialog
implements IAddContextDialog
{
45 // ------------------------------------------------------------------------
47 // ------------------------------------------------------------------------
50 * The icon file for this dialog box.
52 public static final String ADD_CONTEXT_ICON_FILE
= "icons/elcl16/edit.gif"; //$NON-NLS-1$
54 // ------------------------------------------------------------------------
56 // ------------------------------------------------------------------------
58 * The dialog composite.
60 private Composite fDialogComposite
;
62 * A tree viewer for displaying and selection of available contexts.
64 private CheckboxTreeViewer fContextsViewer
;
66 * A Tree model for the checkbox tree viewer.
68 private ContextModel fContextModel
= new ContextModel();
70 * The contexts to add.
72 private List
<String
> fSelectedContexts
= new ArrayList
<String
>();
74 // ------------------------------------------------------------------------
76 // ------------------------------------------------------------------------
79 * @param shell - a shell for the display of the dialog
81 public AddContextDialog(Shell shell
) {
83 setShellStyle(SWT
.RESIZE
);
86 // ------------------------------------------------------------------------
88 // ------------------------------------------------------------------------
92 * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.IAddContextDialog#setAvalibleContexts(java.util.List)
95 public void setAvalibleContexts(List
<String
> contexts
) {
96 fContextModel
.setAvalibleContexts(contexts
);
101 * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.IAddContextDialog#getContexts()
104 public List
<String
> getContexts() {
105 List
<String
> ret
= new ArrayList
<String
>();
106 ret
.addAll(fSelectedContexts
);
110 // ------------------------------------------------------------------------
112 // ------------------------------------------------------------------------
115 * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
118 protected void configureShell(Shell newShell
) {
119 super.configureShell(newShell
);
120 newShell
.setText(Messages
.TraceControl_AddContextDialogTitle
);
121 newShell
.setImage(Activator
.getDefault().loadIcon(ADD_CONTEXT_ICON_FILE
));
126 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
129 protected Control
createDialogArea(Composite parent
) {
132 fDialogComposite
= new Composite(parent
, SWT
.NONE
);
133 GridLayout layout
= new GridLayout(1, true);
134 fDialogComposite
.setLayout(layout
);
135 fDialogComposite
.setLayoutData(new GridData(GridData
.FILL_BOTH
));
138 Group contextGroup
= new Group(fDialogComposite
, SWT
.SHADOW_NONE
);
139 contextGroup
.setText(Messages
.TraceControl_AddContextAvailableContextsLabel
);
140 layout
= new GridLayout(1, true);
141 contextGroup
.setLayout(layout
);
142 contextGroup
.setLayoutData(new GridData(GridData
.FILL_BOTH
));
144 fContextsViewer
= new CheckboxTreeViewer(contextGroup
, SWT
.MULTI
| SWT
.H_SCROLL
| SWT
.V_SCROLL
);
145 fContextsViewer
.getTree().setToolTipText(Messages
.TraceControl_AddContextAvailableContextsTooltip
);
147 fContextsViewer
.setContentProvider(new ContextsContentProvider());
148 fContextsViewer
.setLabelProvider(new ContextsLabelProvider());
149 fContextsViewer
.addCheckStateListener(new ContextCheckListener());
150 fContextsViewer
.setInput(fContextModel
);
151 fContextsViewer
.getTree().setLayoutData(new GridData(GridData
.FILL_BOTH
));
153 getShell().setMinimumSize(new Point(500, 650));
155 return fDialogComposite
;
160 * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
163 protected void createButtonsForButtonBar(Composite parent
) {
164 createButton(parent
, IDialogConstants
.OK_ID
, "&Ok", true); //$NON-NLS-1$
169 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
172 protected void okPressed() {
173 fSelectedContexts
.clear();
175 Object
[] checkedElements
= fContextsViewer
.getCheckedElements();
176 for (int i
= 0; i
< checkedElements
.length
; i
++) {
177 IContextModelComponent component
= (IContextModelComponent
)checkedElements
[i
];
178 fSelectedContexts
.add(component
.getName());
181 // validation successful -> call super.okPressed()
185 // ------------------------------------------------------------------------
186 // Helper classes and methods
187 // ------------------------------------------------------------------------
189 * Content provider for the contexts tree
191 final public static class ContextsContentProvider
implements ITreeContentProvider
{
194 public void dispose() {
198 public void inputChanged(Viewer viewer
, Object oldInput
, Object newInput
) {
202 public Object
[] getElements(Object inputElement
) {
203 return getChildren(inputElement
);
207 public Object
[] getChildren(Object parentElement
) {
208 if (parentElement
instanceof IContextModelComponent
) {
209 return ((IContextModelComponent
)parentElement
).getChildren();
215 public Object
getParent(Object element
) {
216 if (element
instanceof IContextModelComponent
) {
217 return ((IContextModelComponent
)element
).getParent();
223 public boolean hasChildren(Object element
) {
224 if (element
instanceof IContextModelComponent
) {
225 return ((IContextModelComponent
)element
).hasChildren();
232 * Label provider for the contexts tree
234 final public static class ContextsLabelProvider
extends ColumnLabelProvider
{
236 public String
getText(Object element
) {
238 if ((element
!= null) && (element
instanceof IContextModelComponent
)) {
239 return ((IContextModelComponent
)element
).getName();
242 return "";//$NON-NLS-1$
247 * Check state listener for the contexts tree.
249 final public class ContextCheckListener
implements ICheckStateListener
{
251 public void checkStateChanged(CheckStateChangedEvent event
) {
252 if (event
.getChecked()) {
253 if (event
.getElement() instanceof AllContexts
) {
254 fContextsViewer
.setSubtreeChecked(event
.getElement(), true);
257 if (event
.getElement() instanceof AllContexts
) {
258 fContextsViewer
.setSubtreeChecked(event
.getElement(), false);
260 IContextModelComponent component
= (IContextModelComponent
) event
.getElement();
261 fContextsViewer
.setChecked(component
.getParent(), false);
268 * Model for the context tree viewer (root component)
270 public static class ContextModel
implements IContextModelComponent
{
272 private AllContexts fAllContexts
;
274 public ContextModel() {
275 fAllContexts
= new AllContexts(this);
278 public void setAvalibleContexts(List
<String
> contexts
) {
279 fAllContexts
.setAvalibleContexts(contexts
);
283 public String
getName() {
284 return "root"; //$NON-NLS-1$
288 public Object
getParent() {
293 public Object
[] getChildren() {
294 Object
[] ret
= new Object
[1];
295 ret
[0] = fAllContexts
;
300 public boolean hasChildren() {
306 * Model element (to select/deselect) all contexts) for the context tree viewer
308 public static class AllContexts
implements IContextModelComponent
{
310 * The available list of contexts.
312 private List
<Context
> fAvailableContexts
;
314 private IContextModelComponent fParent
;
316 public AllContexts(IContextModelComponent parent
) {
320 public void setAvalibleContexts(List
<String
> contexts
) {
321 fAvailableContexts
= new ArrayList
<Context
>();
322 if (contexts
!= null) {
323 for (Iterator
<String
> iterator
= contexts
.iterator(); iterator
.hasNext();) {
324 String name
= (String
) iterator
.next();
325 fAvailableContexts
.add(new Context(this, name
));
331 public String
getName() {
332 return Messages
.TraceControl_AddContextAllLabel
;
336 public Object
[] getChildren() {
337 return fAvailableContexts
.toArray();
341 public Object
getParent() {
346 public boolean hasChildren() {
352 * Model element (the context) for the context tree viewer
354 public static class Context
implements IContextModelComponent
{
356 private String fContextName
;
357 private IContextModelComponent fParent
;
359 public Context(IContextModelComponent parent
, String name
) {
365 public String
getName() {
370 public Object
getParent() {
375 public Object
[] getChildren() {
380 public boolean hasChildren() {
386 * Interface for the tree model used for the context tree viewer.
388 public interface IContextModelComponent
{
389 public String
getName();
390 public Object
getParent();
391 public Object
[] getChildren();
392 public boolean hasChildren();