/*
* Verify that the POM XML editor is smart enough to offer proper content assist even if the POM does not explicitly
* declare a schema (MNGECLIPSE-1770).
*/
@Test
public void testContentAssistWithoutSchema() throws Exception {
String name = PROJECT_NAME + "/ca.pom";
String str =
"<project>\n" //
+ "<modelVersion>4.0.0</modelVersion>\n" //
+ "<groupId>test</groupId>\n" //
+ "<artifactId>ca</artifactId>\n" //
+ "<packaging>jar</packaging>\n" //
+ "<version>0.0.1-SNAPSHOT</version>\n" //
+ "<build>\n" //
+ "</build>\n" //
+ "</project>\n";
createFile(name, str);
openPomFile(name);
selectEditorTab(TAB_POM_XML);
findText("</build>");
SWTBotEclipseEditor editor = bot.activeEditor().toTextEditor();
editor.pressShortcut(KeyStroke.getInstance(SWT.ARROW_LEFT));
editor.pressShortcut(SWT.CTRL, ' ');
editor.pressShortcut(KeyStroke.getInstance(SWT.LF));
String text = editor.getText();
assertTrue(text, text.contains("<defaultGoal>"));
}
@Override
protected void doExecuteRefactoring() {
bot.selectElementToRefactor(getTestFileFullName(), 24, 6, "Child".length());
bot.invokeRefactoringFromMenu("Use Supertype Where Possible...");
bot.activateShellWithName("Use Super Type Where Possible");
bot.getCurrentTree().pressShortcut(org.eclipse.jface.bindings.keys.KeyStroke.getInstance('G'));
bot.clickButtons(IDialogConstants.OK_LABEL);
}
@Test
public void testKeyStrokes() {
final KeyStroke lKeyStroke = KeyStroke.getInstance(SWT.MOD1, 'I');
assertEquals(SWT.MOD1 | 'I', lKeyStroke.getModifierKeys() | lKeyStroke.getNaturalKey());
assertEquals("CTRL+I", lKeyStroke.format());
final KeySequence lSequence = KeySequence.getInstance(lKeyStroke);
assertEquals("CTRL+I", lSequence.format());
assertEquals(SWT.MOD1 | 'I', getKeyCode(lSequence));
}
public static ContentProposalAdapter createContentProposal(
final Text text, String[] proposedValues) {
SimpleContentProposalProvider proposalProvider =
new SimpleContentProposalProvider(proposedValues);
proposalProvider.setFiltering(true);
KeyStroke keyStroke = KeyStroke.getInstance(SWT.CONTROL, ' ');
ContentProposalAdapter proposalAdapter =
new ContentProposalAdapter(
text, new TextContentAdapter(), proposalProvider, keyStroke, null);
proposalAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
return proposalAdapter;
}
/**
* Creates an {@link SourceViewer} and returns the {@link StyledText} widget of the viewer as the
* cell editors control. Some code is copied from {@link XtextEditor}.
*/
@Override
protected Control createControl(Composite parent) {
StyledText styledText = (StyledText) super.createControl(parent);
styledText.addFocusListener(
new FocusAdapter() {
public void focusLost(FocusEvent e) {
XtextStyledTextCellEditor.this.focusLost();
}
});
// adapt to xtext
xtextAdapter =
new StyledTextXtextAdapter(
injector,
contextFakeResourceProvider == null
? IXtextFakeContextResourcesProvider.NULL_CONTEXT_PROVIDER
: contextFakeResourceProvider,
project);
xtextAdapter.adapt(styledText);
if (provider != null) {
xtextAdapter
.getFakeResourceContext()
.getFakeResource()
.eAdapters()
.add(new ContextElementAdapter(provider));
}
// configure content assist
final IContentAssistant contentAssistant = xtextAdapter.getContentAssistant();
completionProposalAdapter =
new CompletionProposalAdapter(
styledText, contentAssistant, KeyStroke.getInstance(SWT.CTRL, SWT.SPACE), null);
// This listener notifies the modification, when text is selected via
// proposal. A ModifyEvent is not thrown by the StyledText in this case.
xtextAdapter
.getXtextSourceviewer()
.addTextListener(
new ITextListener() {
public void textChanged(TextEvent event) {
editOccured(null);
}
});
if ((styledText.getStyle() & SWT.SINGLE) != 0) {
// The regular key down event is too late (after popup is closed
// again).
// when using the StyledText.VerifyKey event (3005), we get the
// event early enough!
styledText.addListener(
3005,
new Listener() {
public void handleEvent(Event event) {
if (event.character == SWT.CR && !completionProposalAdapter.isProposalPopupOpen()) {
focusLost();
}
}
});
}
styledText.addListener(
3005,
new Listener() {
public void handleEvent(Event event) {
if (event.character == '\u001b' // ESC
&& !completionProposalAdapter.isProposalPopupOpen()) {
XtextStyledTextCellEditor.this.fireCancelEditor();
}
}
});
initContextMenu(styledText);
return styledText;
}
/** Some utilities for UI code */
public class UIUtils {
/** these activate the content assist; alphanumeric, space plus some expected special chars */
private static final char[] VALUE_HELP_ACTIVATIONCHARS =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123457890*@ <>"
.toCharArray(); //$NON-NLS-1$
/** A keystroke for a "submit" action, see {@link #isSubmitKeyEvent(KeyEvent)} */
public static final KeyStroke SUBMIT_KEY_STROKE = KeyStroke.getInstance(SWT.MOD1, SWT.CR);
/**
* Handles a "previously used values" content assist.
*
* <p>Adding this to a text field will enable "content assist" by keeping track of the previously
* used valued for this field. The previously used values will be shown in the order they were
* last used (most recently used ones coming first in the list) and the number of entries is
* limited.
*
* <p>A "bulb" decorator will indicate that content assist is available for the field, and a tool
* tip is provided giving more information.
*
* <p>Content assist is activated by either typing in the field or by using a dedicated key stroke
* which is indicated in the tool tip. The list will be filtered with the content already in the
* text field with '*' being usable as wild card.
*
* <p>Note that the application must issue a call to {@link #updateProposals()} in order to add a
* new value to the "previously used values" list.
*
* <p>The list will be persisted in the plug-in dialog settings.
*
* @noextend not to be extended by clients
* @noimplement not to be implemented by clients, use {@link
* UIUtils#addPreviousValuesContentProposalToText(Text, String)} to create instances of this
*/
public interface IPreviousValueProposalHandler {
/**
* Updates the proposal list from the value in the text field.
*
* <p>The value will be truncated to the first 2000 characters in order to limit data size.
*
* <p>Note that this must be called in the UI thread, since it accesses the text field.
*
* <p>If the value is already in the list, it will become the first entry, otherwise it will be
* added at the beginning. Note that empty Strings will not be stored. The length of the list is
* limited, and the "oldest" entries will be removed once the limit is exceeded.
*
* <p>This call should only be issued if the value in the text field is "valid" in terms of the
* application.
*/
public void updateProposals();
}
/** Used for {@link UIUtils#addRefContentProposalToText(Text, Repository, IRefListProvider)} */
public interface IRefListProvider {
/** @return the List of {@link Ref}s to propose */
public List<Ref> getRefList();
}
/**
* @param id see {@link FontRegistry#get(String)}
* @return the font
*/
public static Font getFont(final String id) {
return PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getFontRegistry().get(id);
}
/**
* @param id see {@link FontRegistry#getBold(String)}
* @return the font
*/
public static Font getBoldFont(final String id) {
return PlatformUI.getWorkbench()
.getThemeManager()
.getCurrentTheme()
.getFontRegistry()
.getBold(id);
}
/**
* @param id see {@link FontRegistry#getItalic(String)}
* @return the font
*/
public static Font getItalicFont(final String id) {
return PlatformUI.getWorkbench()
.getThemeManager()
.getCurrentTheme()
.getFontRegistry()
.getItalic(id);
}
/**
* Adds little bulb decoration to given control. Bulb will appear in top left corner of control
* after giving focus for this control.
*
* <p>After clicking on bulb image text from <code>tooltip</code> will appear.
*
* @param control instance of {@link Control} object with should be decorated
* @param tooltip text value which should appear after clicking on bulb image.
*/
public static void addBulbDecorator(final Control control, final String tooltip) {
ControlDecoration dec = new ControlDecoration(control, SWT.TOP | SWT.LEFT);
dec.setImage(
FieldDecorationRegistry.getDefault()
.getFieldDecoration(FieldDecorationRegistry.DEC_CONTENT_PROPOSAL)
.getImage());
dec.setShowOnlyOnFocus(true);
dec.setShowHover(true);
dec.setDescriptionText(tooltip);
}
/**
* Adds a "previously used values" content proposal handler to a text field.
*
* <p>The keyboard shortcut will be "M1+SPACE" and the list will be limited to 10 values.
*
* @param textField the text field
* @param preferenceKey the key under which to store the "previously used values" in the dialog
* settings
* @return the handler the proposal handler
*/
public static IPreviousValueProposalHandler addPreviousValuesContentProposalToText(
final Text textField, final String preferenceKey) {
KeyStroke stroke;
try {
stroke = KeyStroke.getInstance("M1+SPACE"); // $NON-NLS-1$
addBulbDecorator(textField, NLS.bind(UIText.UIUtils_PressShortcutMessage, stroke.format()));
} catch (ParseException e1) {
Activator.handleError(e1.getMessage(), e1, false);
stroke = null;
addBulbDecorator(textField, UIText.UIUtils_StartTypingForPreviousValuesMessage);
}
IContentProposalProvider cp =
new IContentProposalProvider() {
public IContentProposal[] getProposals(String contents, int position) {
List<IContentProposal> resultList = new ArrayList<IContentProposal>();
// make the simplest possible pattern check: allow "*"
// for multiple characters
String patternString = contents;
// ignore spaces in the beginning
while (patternString.length() > 0 && patternString.charAt(0) == ' ') {
patternString = patternString.substring(1);
}
// we quote the string as it may contain spaces
// and other stuff colliding with the Pattern
patternString = Pattern.quote(patternString);
patternString = patternString.replaceAll("\\x2A", ".*"); // $NON-NLS-1$ //$NON-NLS-2$
// make sure we add a (logical) * at the end
if (!patternString.endsWith(".*")) { // $NON-NLS-1$
patternString = patternString + ".*"; // $NON-NLS-1$
}
// let's compile a case-insensitive pattern (assumes ASCII only)
Pattern pattern;
try {
pattern = Pattern.compile(patternString, Pattern.CASE_INSENSITIVE);
} catch (PatternSyntaxException e) {
pattern = null;
}
String[] proposals =
org.eclipse.egit.ui.Activator.getDefault()
.getDialogSettings()
.getArray(preferenceKey);
if (proposals != null)
for (final String uriString : proposals) {
if (pattern != null && !pattern.matcher(uriString).matches()) continue;
IContentProposal propsal =
new IContentProposal() {
public String getLabel() {
return null;
}
public String getDescription() {
return null;
}
public int getCursorPosition() {
return 0;
}
public String getContent() {
return uriString;
}
};
resultList.add(propsal);
}
return resultList.toArray(new IContentProposal[resultList.size()]);
}
};
ContentProposalAdapter adapter =
new ContentProposalAdapter(
textField, new TextContentAdapter(), cp, stroke, VALUE_HELP_ACTIVATIONCHARS);
// set the acceptance style to always replace the complete content
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
return new IPreviousValueProposalHandler() {
public void updateProposals() {
String value = textField.getText();
// don't store empty values
if (value.length() > 0) {
// we don't want to save too much in the preferences
if (value.length() > 2000) {
value = value.substring(0, 1999);
}
// now we need to mix the value into the list
IDialogSettings settings = org.eclipse.egit.ui.Activator.getDefault().getDialogSettings();
String[] existingValues = settings.getArray(preferenceKey);
if (existingValues == null) {
existingValues = new String[] {value};
settings.put(preferenceKey, existingValues);
} else {
List<String> values = new ArrayList<String>(existingValues.length + 1);
for (String existingValue : existingValues) values.add(existingValue);
// if it is already the first value, we don't need to do
// anything
if (values.indexOf(value) == 0) return;
values.remove(value);
// we insert at the top
values.add(0, value);
// make sure to not store more than the maximum number
// of values
while (values.size() > 10) values.remove(values.size() - 1);
settings.put(preferenceKey, values.toArray(new String[values.size()]));
}
}
}
};
}
/**
* Adds a content proposal for {@link Ref}s (branches, tags...) to a text field
*
* @param textField the text field
* @param repository the repository
* @param refListProvider provides the {@link Ref}s to show in the proposal
*/
public static final void addRefContentProposalToText(
final Text textField, final Repository repository, final IRefListProvider refListProvider) {
KeyStroke stroke;
try {
stroke = KeyStroke.getInstance("M1+SPACE"); // $NON-NLS-1$
UIUtils.addBulbDecorator(
textField, NLS.bind(UIText.UIUtils_PressShortcutMessage, stroke.format()));
} catch (ParseException e1) {
Activator.handleError(e1.getMessage(), e1, false);
stroke = null;
UIUtils.addBulbDecorator(textField, UIText.UIUtils_StartTypingForPreviousValuesMessage);
}
IContentProposalProvider cp =
new IContentProposalProvider() {
public IContentProposal[] getProposals(String contents, int position) {
List<IContentProposal> resultList = new ArrayList<IContentProposal>();
// make the simplest possible pattern check: allow "*"
// for multiple characters
String patternString = contents;
// ignore spaces in the beginning
while (patternString.length() > 0 && patternString.charAt(0) == ' ') {
patternString = patternString.substring(1);
}
// we quote the string as it may contain spaces
// and other stuff colliding with the Pattern
patternString = Pattern.quote(patternString);
patternString = patternString.replaceAll("\\x2A", ".*"); // $NON-NLS-1$ //$NON-NLS-2$
// make sure we add a (logical) * at the end
if (!patternString.endsWith(".*")) { // $NON-NLS-1$
patternString = patternString + ".*"; // $NON-NLS-1$
}
// let's compile a case-insensitive pattern (assumes ASCII only)
Pattern pattern;
try {
pattern = Pattern.compile(patternString, Pattern.CASE_INSENSITIVE);
} catch (PatternSyntaxException e) {
pattern = null;
}
List<Ref> proposals = refListProvider.getRefList();
if (proposals != null)
for (final Ref ref : proposals) {
final String shortenedName = Repository.shortenRefName(ref.getName());
if (pattern != null
&& !pattern.matcher(ref.getName()).matches()
&& !pattern.matcher(shortenedName).matches()) continue;
IContentProposal propsal = new RefContentProposal(repository, ref);
resultList.add(propsal);
}
return resultList.toArray(new IContentProposal[resultList.size()]);
}
};
ContentProposalAdapter adapter =
new ContentProposalAdapter(
textField, new TextContentAdapter(), cp, stroke, UIUtils.VALUE_HELP_ACTIVATIONCHARS);
// set the acceptance style to always replace the complete content
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
}
/**
* Set enabled state of the control and all its children
*
* @param control
* @param enable
*/
public static void setEnabledRecursively(final Control control, final boolean enable) {
control.setEnabled(enable);
if (control instanceof Composite)
for (final Control child : ((Composite) control).getChildren())
setEnabledRecursively(child, enable);
}
/**
* Dispose of the resource when the widget is disposed
*
* @param widget
* @param resource
*/
public static void hookDisposal(Widget widget, final Resource resource) {
if (widget == null || resource == null) return;
widget.addDisposeListener(
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
resource.dispose();
}
});
}
/**
* Dispose of the resource manager when the widget is disposed
*
* @param widget
* @param resources
*/
public static void hookDisposal(Widget widget, final ResourceManager resources) {
if (widget == null || resources == null) return;
widget.addDisposeListener(
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
resources.dispose();
}
});
}
/**
* Get editor image for path
*
* @param path
* @return image descriptor
*/
public static ImageDescriptor getEditorImage(final String path) {
if (path != null && path.length() > 0) {
final String name = new Path(path).lastSegment();
if (name != null)
return PlatformUI.getWorkbench().getEditorRegistry().getImageDescriptor(name);
}
return PlatformUI.getWorkbench()
.getSharedImages()
.getImageDescriptor(ISharedImages.IMG_OBJ_FILE);
}
/**
* Get size of image descriptor as point.
*
* @param descriptor
* @return size
*/
public static Point getSize(ImageDescriptor descriptor) {
ImageData data = descriptor.getImageData();
if (data == null) return new Point(0, 0);
return new Point(data.width, data.height);
}
/**
* Add expand all and collapse all toolbar items to the given toolbar bound to the given tree
* viewer
*
* @param toolbar
* @param viewer
* @return given toolbar
*/
public static ToolBar addExpansionItems(final ToolBar toolbar, final AbstractTreeViewer viewer) {
ToolItem collapseItem = new ToolItem(toolbar, SWT.PUSH);
Image collapseImage = UIIcons.COLLAPSEALL.createImage();
UIUtils.hookDisposal(collapseItem, collapseImage);
collapseItem.setImage(collapseImage);
collapseItem.setToolTipText(UIText.UIUtils_CollapseAll);
collapseItem.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
viewer.collapseAll();
}
});
ToolItem expandItem = new ToolItem(toolbar, SWT.PUSH);
Image expandImage = UIIcons.EXPAND_ALL.createImage();
UIUtils.hookDisposal(expandItem, expandImage);
expandItem.setImage(expandImage);
expandItem.setToolTipText(UIText.UIUtils_ExpandAll);
expandItem.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
viewer.expandAll();
}
});
return toolbar;
}
/**
* Get dialog bound settings for given class using standard section name
*
* @param clazz
* @return dialog setting
*/
public static IDialogSettings getDialogBoundSettings(final Class<?> clazz) {
return getDialogSettings(clazz.getName() + ".dialogBounds"); // $NON-NLS-1$
}
/**
* Get dialog settings for given section name
*
* @param sectionName
* @return dialog settings
*/
public static IDialogSettings getDialogSettings(final String sectionName) {
IDialogSettings settings = Activator.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(sectionName);
if (section == null) section = settings.addNewSection(sectionName);
return section;
}
/**
* @return The default repository directory as configured in the preferences, with variables
* substituted. An empty string if there was an error during substitution.
*/
public static String getDefaultRepositoryDir() {
String dir =
Activator.getDefault().getPreferenceStore().getString(UIPreferences.DEFAULT_REPO_DIR);
IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
try {
return manager.performStringSubstitution(dir);
} catch (CoreException e) {
return ""; //$NON-NLS-1$
}
}
/**
* Is viewer in a usable state?
*
* @param viewer
* @return true if usable, false if null or underlying control is null or disposed
*/
public static boolean isUsable(final Viewer viewer) {
return viewer != null && isUsable(viewer.getControl());
}
/**
* Is control usable?
*
* @param control
* @return true if usable, false if null or disposed
*/
public static boolean isUsable(final Control control) {
return control != null && !control.isDisposed();
}
/**
* Run command with specified id
*
* @param service
* @param id
*/
public static void executeCommand(IHandlerService service, String id) {
executeCommand(service, id, null);
}
/**
* Run command with specified id
*
* @param service
* @param id
* @param event
*/
public static void executeCommand(IHandlerService service, String id, Event event) {
try {
service.executeCommand(id, event);
} catch (ExecutionException e) {
Activator.handleError(e.getMessage(), e, false);
} catch (NotDefinedException e) {
Activator.handleError(e.getMessage(), e, false);
} catch (NotEnabledException e) {
Activator.handleError(e.getMessage(), e, false);
} catch (NotHandledException e) {
Activator.handleError(e.getMessage(), e, false);
}
}
/**
* Determine if the key event represents a "submit" action (<modifier>+Enter).
*
* @param event
* @return true, if it means submit, false otherwise
*/
public static boolean isSubmitKeyEvent(KeyEvent event) {
return (event.stateMask & SWT.MODIFIER_MASK) != 0
&& event.keyCode == SUBMIT_KEY_STROKE.getNaturalKey();
}
/**
* Prompt for saving all dirty editors for resources in the working directory of the specified
* repository.
*
* @param repository
* @return true, if the user opted to continue, false otherwise
* @see IWorkbench#saveAllEditors(boolean)
*/
public static boolean saveAllEditors(Repository repository) {
IWorkbench workbench = PlatformUI.getWorkbench();
IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
return workbench.saveAll(window, window, new RepositorySaveableFilter(repository), true);
}
/**
* @param workbenchWindow the workbench window to use for creating the show in menu.
* @return the show in menu
*/
public static MenuManager createShowInMenu(IWorkbenchWindow workbenchWindow) {
MenuManager showInSubMenu = new MenuManager(getShowInMenuLabel());
showInSubMenu.add(ContributionItemFactory.VIEWS_SHOW_IN.create(workbenchWindow));
return showInSubMenu;
}
/**
* Use hyperlink detectors to find a text viewer's hyperlinks and return the style ranges to
* render them.
*
* @param textViewer
* @param hyperlinkDetectors
* @return the style ranges to render the detected hyperlinks
*/
public static StyleRange[] getHyperlinkDetectorStyleRanges(
ITextViewer textViewer, IHyperlinkDetector[] hyperlinkDetectors) {
List<StyleRange> styleRangeList = new ArrayList<StyleRange>();
if (hyperlinkDetectors != null && hyperlinkDetectors.length > 0) {
for (int i = 0; i < textViewer.getTextWidget().getText().length(); i++) {
IRegion region = new Region(i, 0);
for (IHyperlinkDetector hyperLinkDetector : hyperlinkDetectors) {
IHyperlink[] hyperlinks = hyperLinkDetector.detectHyperlinks(textViewer, region, true);
if (hyperlinks != null) {
for (IHyperlink hyperlink : hyperlinks) {
StyleRange hyperlinkStyleRange =
new StyleRange(
hyperlink.getHyperlinkRegion().getOffset(),
hyperlink.getHyperlinkRegion().getLength(),
Display.getDefault().getSystemColor(SWT.COLOR_BLUE),
Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
hyperlinkStyleRange.underline = true;
styleRangeList.add(hyperlinkStyleRange);
}
}
}
}
}
StyleRange[] styleRangeArray = new StyleRange[styleRangeList.size()];
styleRangeList.toArray(styleRangeArray);
return styleRangeArray;
}
private static String getShowInMenuLabel() {
IBindingService bindingService =
(IBindingService) PlatformUI.getWorkbench().getAdapter(IBindingService.class);
if (bindingService != null) {
String keyBinding =
bindingService.getBestActiveBindingFormattedFor(
IWorkbenchCommandConstants.NAVIGATE_SHOW_IN_QUICK_MENU);
if (keyBinding != null) return UIText.UIUtils_ShowInMenuLabel + '\t' + keyBinding;
}
return UIText.UIUtils_ShowInMenuLabel;
}
}
/**
* Adds a content proposal for {@link Ref}s (branches, tags...) to a text field
*
* @param textField the text field
* @param repository the repository
* @param refListProvider provides the {@link Ref}s to show in the proposal
*/
public static final void addRefContentProposalToText(
final Text textField, final Repository repository, final IRefListProvider refListProvider) {
KeyStroke stroke;
try {
stroke = KeyStroke.getInstance("M1+SPACE"); // $NON-NLS-1$
UIUtils.addBulbDecorator(
textField, NLS.bind(UIText.UIUtils_PressShortcutMessage, stroke.format()));
} catch (ParseException e1) {
Activator.handleError(e1.getMessage(), e1, false);
stroke = null;
UIUtils.addBulbDecorator(textField, UIText.UIUtils_StartTypingForPreviousValuesMessage);
}
IContentProposalProvider cp =
new IContentProposalProvider() {
public IContentProposal[] getProposals(String contents, int position) {
List<IContentProposal> resultList = new ArrayList<IContentProposal>();
// make the simplest possible pattern check: allow "*"
// for multiple characters
String patternString = contents;
// ignore spaces in the beginning
while (patternString.length() > 0 && patternString.charAt(0) == ' ') {
patternString = patternString.substring(1);
}
// we quote the string as it may contain spaces
// and other stuff colliding with the Pattern
patternString = Pattern.quote(patternString);
patternString = patternString.replaceAll("\\x2A", ".*"); // $NON-NLS-1$ //$NON-NLS-2$
// make sure we add a (logical) * at the end
if (!patternString.endsWith(".*")) { // $NON-NLS-1$
patternString = patternString + ".*"; // $NON-NLS-1$
}
// let's compile a case-insensitive pattern (assumes ASCII only)
Pattern pattern;
try {
pattern = Pattern.compile(patternString, Pattern.CASE_INSENSITIVE);
} catch (PatternSyntaxException e) {
pattern = null;
}
List<Ref> proposals = refListProvider.getRefList();
if (proposals != null)
for (final Ref ref : proposals) {
final String shortenedName = Repository.shortenRefName(ref.getName());
if (pattern != null
&& !pattern.matcher(ref.getName()).matches()
&& !pattern.matcher(shortenedName).matches()) continue;
IContentProposal propsal = new RefContentProposal(repository, ref);
resultList.add(propsal);
}
return resultList.toArray(new IContentProposal[resultList.size()]);
}
};
ContentProposalAdapter adapter =
new ContentProposalAdapter(
textField, new TextContentAdapter(), cp, stroke, UIUtils.VALUE_HELP_ACTIVATIONCHARS);
// set the acceptance style to always replace the complete content
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
}
/**
* Adds a "previously used values" content proposal handler to a text field.
*
* <p>The keyboard shortcut will be "M1+SPACE" and the list will be limited to 10 values.
*
* @param textField the text field
* @param preferenceKey the key under which to store the "previously used values" in the dialog
* settings
* @return the handler the proposal handler
*/
public static IPreviousValueProposalHandler addPreviousValuesContentProposalToText(
final Text textField, final String preferenceKey) {
KeyStroke stroke;
try {
stroke = KeyStroke.getInstance("M1+SPACE"); // $NON-NLS-1$
addBulbDecorator(textField, NLS.bind(UIText.UIUtils_PressShortcutMessage, stroke.format()));
} catch (ParseException e1) {
Activator.handleError(e1.getMessage(), e1, false);
stroke = null;
addBulbDecorator(textField, UIText.UIUtils_StartTypingForPreviousValuesMessage);
}
IContentProposalProvider cp =
new IContentProposalProvider() {
public IContentProposal[] getProposals(String contents, int position) {
List<IContentProposal> resultList = new ArrayList<IContentProposal>();
// make the simplest possible pattern check: allow "*"
// for multiple characters
String patternString = contents;
// ignore spaces in the beginning
while (patternString.length() > 0 && patternString.charAt(0) == ' ') {
patternString = patternString.substring(1);
}
// we quote the string as it may contain spaces
// and other stuff colliding with the Pattern
patternString = Pattern.quote(patternString);
patternString = patternString.replaceAll("\\x2A", ".*"); // $NON-NLS-1$ //$NON-NLS-2$
// make sure we add a (logical) * at the end
if (!patternString.endsWith(".*")) { // $NON-NLS-1$
patternString = patternString + ".*"; // $NON-NLS-1$
}
// let's compile a case-insensitive pattern (assumes ASCII only)
Pattern pattern;
try {
pattern = Pattern.compile(patternString, Pattern.CASE_INSENSITIVE);
} catch (PatternSyntaxException e) {
pattern = null;
}
String[] proposals =
org.eclipse.egit.ui.Activator.getDefault()
.getDialogSettings()
.getArray(preferenceKey);
if (proposals != null)
for (final String uriString : proposals) {
if (pattern != null && !pattern.matcher(uriString).matches()) continue;
IContentProposal propsal =
new IContentProposal() {
public String getLabel() {
return null;
}
public String getDescription() {
return null;
}
public int getCursorPosition() {
return 0;
}
public String getContent() {
return uriString;
}
};
resultList.add(propsal);
}
return resultList.toArray(new IContentProposal[resultList.size()]);
}
};
ContentProposalAdapter adapter =
new ContentProposalAdapter(
textField, new TextContentAdapter(), cp, stroke, VALUE_HELP_ACTIVATIONCHARS);
// set the acceptance style to always replace the complete content
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
return new IPreviousValueProposalHandler() {
public void updateProposals() {
String value = textField.getText();
// don't store empty values
if (value.length() > 0) {
// we don't want to save too much in the preferences
if (value.length() > 2000) {
value = value.substring(0, 1999);
}
// now we need to mix the value into the list
IDialogSettings settings = org.eclipse.egit.ui.Activator.getDefault().getDialogSettings();
String[] existingValues = settings.getArray(preferenceKey);
if (existingValues == null) {
existingValues = new String[] {value};
settings.put(preferenceKey, existingValues);
} else {
List<String> values = new ArrayList<String>(existingValues.length + 1);
for (String existingValue : existingValues) values.add(existingValue);
// if it is already the first value, we don't need to do
// anything
if (values.indexOf(value) == 0) return;
values.remove(value);
// we insert at the top
values.add(0, value);
// make sure to not store more than the maximum number
// of values
while (values.size() > 10) values.remove(values.size() - 1);
settings.put(preferenceKey, values.toArray(new String[values.size()]));
}
}
}
};
}
private void addRefContentProposalToText(final Text textField) {
KeyStroke stroke;
try {
stroke = KeyStroke.getInstance("CTRL+SPACE"); // $NON-NLS-1$
UIUtils.addBulbDecorator(
textField, NLS.bind(UIText.FetchGerritChangePage_ContentAssistTooltip, stroke.format()));
} catch (ParseException e1) {
Activator.handleError(e1.getMessage(), e1, false);
stroke = null;
}
IContentProposalProvider cp =
new IContentProposalProvider() {
public IContentProposal[] getProposals(String contents, int position) {
List<IContentProposal> resultList = new ArrayList<IContentProposal>();
// make the simplest possible pattern check: allow "*"
// for multiple characters
String patternString = contents;
// ignore spaces in the beginning
while (patternString.length() > 0 && patternString.charAt(0) == ' ')
patternString = patternString.substring(1);
// we quote the string as it may contain spaces
// and other stuff colliding with the Pattern
patternString = Pattern.quote(patternString);
patternString = patternString.replaceAll("\\x2A", ".*"); // $NON-NLS-1$ //$NON-NLS-2$
// make sure we add a (logical) * at the end
if (!patternString.endsWith(".*")) // $NON-NLS-1$
patternString = patternString + ".*"; // $NON-NLS-1$
// let's compile a case-insensitive pattern (assumes ASCII only)
Pattern pattern;
try {
pattern = Pattern.compile(patternString, Pattern.CASE_INSENSITIVE);
} catch (PatternSyntaxException e) {
pattern = null;
}
List<Change> proposals;
try {
proposals = getRefsForContentAssist();
} catch (InvocationTargetException e) {
Activator.handleError(e.getMessage(), e, false);
return null;
} catch (InterruptedException e) {
return null;
}
if (proposals != null)
for (final Change ref : proposals) {
if (pattern != null && !pattern.matcher(ref.getChangeNumber().toString()).matches())
continue;
IContentProposal propsal = new ChangeContentProposal(ref);
resultList.add(propsal);
}
return resultList.toArray(new IContentProposal[resultList.size()]);
}
};
ContentProposalAdapter adapter =
new ContentProposalAdapter(textField, new TextContentAdapter(), cp, stroke, null);
// set the acceptance style to always replace the complete content
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
}