X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java index b3e4656..c86919b 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java @@ -11,14 +11,23 @@ Contributors: IBM Corporation - Initial implementation Klaus Hartlage - www.eclipseproject.de **********************************************************************/ +import java.util.ArrayList; +import java.util.List; + import net.sourceforge.phpdt.internal.ui.actions.CompositeActionGroup; -import net.sourceforge.phpdt.ui.actions.*; +import net.sourceforge.phpdt.internal.ui.text.HTMLTextPresenter; +import net.sourceforge.phpdt.internal.ui.text.JavaColorManager; +import net.sourceforge.phpdt.internal.ui.text.PHPPairMatcher; +import net.sourceforge.phpdt.internal.ui.viewsupport.IViewPartInputProvider; import net.sourceforge.phpdt.ui.actions.GenerateActionGroup; +import net.sourceforge.phpdt.ui.actions.GotoMatchingBracketAction; +import net.sourceforge.phpdt.ui.text.JavaTextTools; import net.sourceforge.phpeclipse.IPreferenceConstants; import net.sourceforge.phpeclipse.PHPeclipsePlugin; +import net.sourceforge.phpeclipse.phpeditor.php.IPHPPartitionScannerConstants; import net.sourceforge.phpeclipse.phpeditor.php.PHPCodeScanner; -import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor; -import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider; + +import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.action.Action; @@ -27,8 +36,17 @@ import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferenceConverter; import org.eclipse.jface.text.BadLocationException; +import org.eclipse.jface.text.DefaultInformationControl; import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.IInformationControl; +import org.eclipse.jface.text.IInformationControlCreator; +import org.eclipse.jface.text.IRegion; import org.eclipse.jface.text.ITextOperationTarget; +import org.eclipse.jface.text.ITextViewer; +import org.eclipse.jface.text.ITextViewerExtension3; +import org.eclipse.jface.text.ITypedRegion; +import org.eclipse.jface.text.Region; +import org.eclipse.jface.text.information.InformationPresenter; import org.eclipse.jface.text.source.AnnotationRulerColumn; import org.eclipse.jface.text.source.CompositeRuler; import org.eclipse.jface.text.source.ISourceViewer; @@ -37,26 +55,42 @@ import org.eclipse.jface.text.source.IVerticalRulerColumn; import org.eclipse.jface.text.source.LineNumberRulerColumn; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.util.PropertyChangeEvent; +import org.eclipse.swt.SWT; +import org.eclipse.swt.custom.BidiSegmentEvent; +import org.eclipse.swt.custom.BidiSegmentListener; +import org.eclipse.swt.custom.StyledText; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.RGB; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IEditorInput; import org.eclipse.ui.actions.ActionContext; import org.eclipse.ui.actions.ActionGroup; -import org.eclipse.ui.editors.text.TextEditor; +import org.eclipse.ui.texteditor.ContentAssistAction; import org.eclipse.ui.texteditor.DefaultRangeIndicator; +import org.eclipse.ui.texteditor.IDocumentProvider; +import org.eclipse.ui.texteditor.IEditorStatusLine; import org.eclipse.ui.texteditor.ITextEditorActionConstants; +import org.eclipse.ui.texteditor.StatusTextEditor; import org.eclipse.ui.texteditor.TextOperationAction; import org.eclipse.ui.views.contentoutline.IContentOutlinePage; /** * PHP specific text editor. */ -public class PHPEditor extends TextEditor { +public class PHPEditor + extends StatusTextEditor + implements IViewPartInputProvider { // extends TextEditor { // protected PHPActionGroup fActionGroups; /** The outline page */ private PHPContentOutlinePage fOutlinePage; - private IPreferenceStore phpPrefStore; + // protected PHPSyntaxParserThread fValidationThread = null; + + // private IPreferenceStore fPHPPrefStore; + + /** The editor's bracket matcher */ + private PHPPairMatcher fBracketMatcher; /** The line number ruler column */ private LineNumberRulerColumn fLineNumberRulerColumn; @@ -64,12 +98,83 @@ public class PHPEditor extends TextEditor { /** The standard action groups added to the menu */ private GenerateActionGroup fGenerateActionGroup; private CompositeActionGroup fContextMenuGroup; + + /** The information presenter. */ + private InformationPresenter fInformationPresenter; + /** * Default constructor. */ public PHPEditor() { super(); - setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$ + JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools(); + setSourceViewerConfiguration( + new PHPSourceViewerConfiguration(textTools, this)); + setRangeIndicator(new DefaultRangeIndicator()); + setPreferenceStore(PHPeclipsePlugin.getDefault().getPreferenceStore()); + + // if (PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE)) + // fUpdater= new OutlinePageSelectionUpdater(); + + initializeEditor(); + } + // + // /** + // * @see IMember#getCompilationUnit() + // */ + // public ICompilationUnit getCompilationUnit() { + // return this; + // } + // /** + // * @see org.phpeclipse.phpdt.internal.compiler.env.ICompilationUnit#getContents() + // */ + // public char[] getContents() { + // IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput()); + // + // return doc.get().toCharArray(); + // } + + /* + * @see net.sourceforge.phpdt.internal.ui.viewsupport.IViewPartInputProvider#getViewPartInput() + */ + public Object getViewPartInput() { + return getEditorInput().getAdapter(IResource.class); + } + + /* + * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt. + * widgets.Composite) + */ + public void createPartControl(Composite parent) { + super.createPartControl(parent); + + IInformationControlCreator informationControlCreator = + new IInformationControlCreator() { + public IInformationControl createInformationControl(Shell parent) { + boolean cutDown = false; + int style = cutDown ? SWT.NONE : (SWT.V_SCROLL | SWT.H_SCROLL); + return new DefaultInformationControl( + parent, + SWT.RESIZE, + style, + new HTMLTextPresenter(cutDown)); + } + }; + + fInformationPresenter = new InformationPresenter(informationControlCreator); + fInformationPresenter.setSizeConstraints(60, 10, true, true); + fInformationPresenter.install(getSourceViewer()); + } + + /** + * Returns this document's complete text. + * + * @return the document's complete text + */ + public String get() { + IDocument doc = + this.getDocumentProvider().getDocument(this.getEditorInput()); + return doc.get(); } /** @@ -77,8 +182,8 @@ public class PHPEditor extends TextEditor { */ protected ActionGroup getActionGroup() { return fActionGroups; - } - + } + public PHPContentOutlinePage getfOutlinePage() { return fOutlinePage; } @@ -89,13 +194,20 @@ public class PHPEditor extends TextEditor { */ protected void createActions() { super.createActions(); - setAction( - "ContentAssistProposal", - new TextOperationAction( - PHPEditorMessages.getResourceBundle(), - "ContentAssistProposal.", - this, - ISourceViewer.CONTENTASSIST_PROPOSALS)); + + Action action; + // setAction( + // "ContentAssistProposal", + // new TextOperationAction( + // PHPEditorMessages.getResourceBundle(), + // "ContentAssistProposal.", + // this, + // ISourceViewer.CONTENTASSIST_PROPOSALS)); + action = new ContentAssistAction(PHPEditorMessages.getResourceBundle(), "ContentAssistProposal.", this); //$NON-NLS-1$ + action.setActionDefinitionId( + PHPEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS); + setAction("ContentAssistProposal", action); //$NON-NLS-1$ + setAction( "ContentAssistTip", new TextOperationAction( @@ -104,31 +216,59 @@ public class PHPEditor extends TextEditor { this, ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION)); - Action action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Comment.", this, ITextOperationTarget.PREFIX); + action = + new TextOperationAction( + PHPEditorMessages.getResourceBundle(), + "Comment.", + this, + ITextOperationTarget.PREFIX); action.setActionDefinitionId(PHPEditorActionDefinitionIds.COMMENT); setAction("Comment", action); - action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Uncomment.", this, ITextOperationTarget.STRIP_PREFIX); + action = + new TextOperationAction( + PHPEditorMessages.getResourceBundle(), + "Uncomment.", + this, + ITextOperationTarget.STRIP_PREFIX); action.setActionDefinitionId(PHPEditorActionDefinitionIds.UNCOMMENT); setAction("Uncomment", action); - // fActionGroups = new PHPActionGroup(this, ITextEditorActionConstants.GROUP_EDIT); + action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Format.", this, ISourceViewer.FORMAT); //$NON-NLS-1$ + action.setActionDefinitionId(PHPEditorActionDefinitionIds.FORMAT); + setAction("Format", action); //$NON-NLS-1$ + markAsStateDependentAction("ContentAssistProposal", true); //$NON-NLS-1$ markAsStateDependentAction("Comment", true); //$NON-NLS-1$ markAsStateDependentAction("Uncomment", true); //$NON-NLS-1$ + markAsStateDependentAction("Format", true); //$NON-NLS-1$ - fGenerateActionGroup= new GenerateActionGroup(this, ITextEditorActionConstants.GROUP_EDIT); + action = new GotoMatchingBracketAction(this); + action.setActionDefinitionId( + PHPEditorActionDefinitionIds.GOTO_MATCHING_BRACKET); + setAction(GotoMatchingBracketAction.GOTO_MATCHING_BRACKET, action); + + fGenerateActionGroup = + new GenerateActionGroup(this, ITextEditorActionConstants.GROUP_EDIT); + + fActionGroups = + new CompositeActionGroup(new ActionGroup[] { fGenerateActionGroup }); - fActionGroups= new CompositeActionGroup( - new ActionGroup[] { fGenerateActionGroup } - ); - - // We have to keep the context menu group separate to have better control over positioning - fContextMenuGroup= new CompositeActionGroup(new ActionGroup[] { - fGenerateActionGroup }); -// rg, -// new LocalHistoryActionGroup(this, ITextEditorActionConstants.GROUP_EDIT)}); + fContextMenuGroup = + new CompositeActionGroup(new ActionGroup[] { fGenerateActionGroup }); + // rg, + // new LocalHistoryActionGroup(this, ITextEditorActionConstants.GROUP_EDIT)}); + + // if (fValidationThread == null) { + // fValidationThread = + // new PHPSyntaxParserThread(this, getSourceViewer()); + // //Thread defaults + // + // fValidationThread.start(); + // } + // + // fValidationThread.setText(getSourceViewer().getTextWidget().getText()); } /** The PHPEditor implementation of this @@ -139,10 +279,10 @@ public class PHPEditor extends TextEditor { PHPEditorEnvironment.disconnect(this); if (fOutlinePage != null) fOutlinePage.setInput(null); - + if (fActionGroups != null) - fActionGroups.dispose(); - + fActionGroups.dispose(); + super.dispose(); } @@ -163,7 +303,7 @@ public class PHPEditor extends TextEditor { public void doSave(IProgressMonitor monitor) { super.doSave(monitor); // compile or not, according to the user preferences - IPreferenceStore store = phpPrefStore; + IPreferenceStore store = getPreferenceStore(); // fPHPPrefStore; if (store.getBoolean(PHPeclipsePlugin.PHP_PARSE_ON_SAVE)) { IAction a = PHPParserAction.getInstance(); if (a != null) @@ -187,24 +327,30 @@ public class PHPEditor extends TextEditor { * AbstractTextEditor method performs sets the * input of the outline page after AbstractTextEditor has set input. */ - public void doSetInput(IEditorInput input) throws CoreException { + protected void doSetInput(IEditorInput input) throws CoreException { super.doSetInput(input); if (fOutlinePage != null) fOutlinePage.setInput(input); } + /* + * @see org.phpeclipse.phpdt.internal.ui.viewsupport.IViewPartInputProvider#getViewPartInput() + */ + // public Object getViewPartInput() { + // return getEditorInput().getAdapter(IFile.class); + // } + /** The PHPEditor implementation of this * AbstractTextEditor method adds any * PHPEditor specific entries. */ public void editorContextMenuAboutToShow(MenuManager menu) { super.editorContextMenuAboutToShow(menu); - // addAction(menu, "ContentAssistProposal"); //$NON-NLS-1$ - // addAction(menu, "ContentAssistTip"); //$NON-NLS-1$ - - // fActionGroups.fillContextMenu(menu); - - ActionContext context= new ActionContext(getSelectionProvider().getSelection()); + + addAction(menu, ITextEditorActionConstants.GROUP_EDIT, "Format"); //$NON-NLS-1$ + + ActionContext context = + new ActionContext(getSelectionProvider().getSelection()); fContextMenuGroup.setContext(context); fContextMenuGroup.fillContextMenu(menu); fContextMenuGroup.setContext(null); @@ -214,7 +360,7 @@ public class PHPEditor extends TextEditor { super.updateStateDependentActions(); fGenerateActionGroup.editorStateChanged(); } - + /** The PHPEditor implementation of this * AbstractTextEditor method performs gets * the java content outline page if request is for a an @@ -254,16 +400,16 @@ public class PHPEditor extends TextEditor { // } // } - private String getFunctionName(IDocument doc, int pos) { - Point word = PHPWordExtractor.findWord(doc, pos); - if (word != null) { - try { - return doc.get(word.x, word.y).replace('_', '-'); - } catch (BadLocationException e) { - } - } - return ""; - } + // private String getFunctionName(IDocument doc, int pos) { + // Point word = PHPWordExtractor.findWord(doc, pos); + // if (word != null) { + // try { + // return doc.get(word.x, word.y).replace('_', '-'); + // } catch (BadLocationException e) { + // } + // } + // return ""; + // } /* * @see AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent) @@ -326,7 +472,8 @@ public class PHPEditor extends TextEditor { */ private boolean isLineNumberRulerVisible() { // IPreferenceStore store= getPreferenceStore(); - return phpPrefStore.getBoolean(IPreferenceConstants.LINE_NUMBER_RULER); + return getPreferenceStore().getBoolean( + IPreferenceConstants.LINE_NUMBER_RULER); } /** * Hides the line number ruler column. @@ -347,29 +494,46 @@ public class PHPEditor extends TextEditor { * @param rulerColumn the ruler column to be initialized */ protected void initializeLineNumberRulerColumn(LineNumberRulerColumn rulerColumn) { - // JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools(); - PHPColorProvider manager = PHPEditorEnvironment.getPHPColorProvider(); + JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools(); + // PHPColorProvider manager = PHPEditorEnvironment.getPHPColorProvider(); + JavaColorManager manager = textTools.getColorManager(); - if (phpPrefStore != null) { + IPreferenceStore store = getPreferenceStore(); + if (store != null) { RGB rgb = null; // foreground color - if (phpPrefStore.contains(IPreferenceConstants.LINE_NUMBER_COLOR)) { - if (phpPrefStore.isDefault(IPreferenceConstants.LINE_NUMBER_COLOR)) - rgb = PreferenceConverter.getDefaultColor(phpPrefStore, IPreferenceConstants.LINE_NUMBER_COLOR); + if (store.contains(IPreferenceConstants.LINE_NUMBER_COLOR)) { + if (store.isDefault(IPreferenceConstants.LINE_NUMBER_COLOR)) + rgb = + PreferenceConverter.getDefaultColor( + store, + IPreferenceConstants.LINE_NUMBER_COLOR); else - rgb = PreferenceConverter.getColor(phpPrefStore, IPreferenceConstants.LINE_NUMBER_COLOR); + rgb = + PreferenceConverter.getColor( + store, + IPreferenceConstants.LINE_NUMBER_COLOR); } rulerColumn.setForeground(manager.getColor(rgb)); rgb = null; // background color - if (!phpPrefStore.getBoolean(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) { - if (phpPrefStore.contains(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND)) { - if (phpPrefStore.isDefault(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND)) - rgb = PreferenceConverter.getDefaultColor(phpPrefStore, IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND); + if (!store + .getBoolean( + IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) { + if (store.contains(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND)) { + if (store + .isDefault(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND)) + rgb = + PreferenceConverter.getDefaultColor( + store, + IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND); else - rgb = PreferenceConverter.getColor(phpPrefStore, IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND); + rgb = + PreferenceConverter.getColor( + store, + IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND); } rulerColumn.setBackground(manager.getColor(rgb)); } @@ -398,19 +562,17 @@ public class PHPEditor extends TextEditor { } /* (non-Javadoc) - * Method declared on AbstractTextEditor + * Method declared on TextEditor */ protected void initializeEditor() { + IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore(); PHPEditorEnvironment.connect(this); - setSourceViewerConfiguration(new PHPSourceViewerConfiguration()); - setRangeIndicator(new DefaultRangeIndicator()); setEditorContextMenuId("#PHPEditorContext"); //$NON-NLS-1$ setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$ // setDocumentProvider(PHPeclipsePlugin.getCompilationUnitDocumentProvider()); - phpPrefStore = PHPeclipsePlugin.getDefault().getPreferenceStore(); - phpPrefStore.addPropertyChangeListener(new IPropertyChangeListener() { + store.addPropertyChangeListener(new IPropertyChangeListener() { public void propertyChange(PropertyChangeEvent event) { PHPCodeScanner scanner = PHPEditorEnvironment.getPHPCodeScanner(); if (scanner != null) { @@ -431,4 +593,228 @@ public class PHPEditor extends TextEditor { } }); } + + private static IRegion getSignedSelection(ITextViewer viewer) { + + StyledText text = viewer.getTextWidget(); + int caretOffset = text.getCaretOffset(); + Point selection = text.getSelection(); + + // caret left + int offset, length; + if (caretOffset == selection.x) { + offset = selection.y; + length = selection.x - selection.y; + + // caret right + } else { + offset = selection.x; + length = selection.y - selection.x; + } + + return new Region(offset, length); + } + + private final static char[] BRACKETS = { '{', '}', '(', ')', '[', ']' }; + + private static boolean isBracket(char character) { + for (int i = 0; i != BRACKETS.length; ++i) + if (character == BRACKETS[i]) + return true; + return false; + } + + private static boolean isSurroundedByBrackets( + IDocument document, + int offset) { + if (offset == 0 || offset == document.getLength()) + return false; + + try { + return isBracket(document.getChar(offset - 1)) + && isBracket(document.getChar(offset)); + + } catch (BadLocationException e) { + return false; + } + } + /** + * Jumps to the matching bracket. + */ + public void gotoMatchingBracket() { + + if (fBracketMatcher == null) + fBracketMatcher = new PHPPairMatcher(BRACKETS); + + ISourceViewer sourceViewer = getSourceViewer(); + IDocument document = sourceViewer.getDocument(); + if (document == null) + return; + + IRegion selection = getSignedSelection(sourceViewer); + + int selectionLength = Math.abs(selection.getLength()); + if (selectionLength > 1) { + setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.invalidSelection")); //$NON-NLS-1$ + sourceViewer.getTextWidget().getDisplay().beep(); + return; + } + + // #26314 + int sourceCaretOffset = selection.getOffset() + selection.getLength(); + if (isSurroundedByBrackets(document, sourceCaretOffset)) + sourceCaretOffset -= selection.getLength(); + + IRegion region = fBracketMatcher.match(document, sourceCaretOffset); + if (region == null) { + setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.noMatchingBracket")); //$NON-NLS-1$ + sourceViewer.getTextWidget().getDisplay().beep(); + return; + } + + int offset = region.getOffset(); + int length = region.getLength(); + + if (length < 1) + return; + + int anchor = fBracketMatcher.getAnchor(); + int targetOffset = + (PHPPairMatcher.RIGHT == anchor) ? offset : offset + length - 1; + + boolean visible = false; + if (sourceViewer instanceof ITextViewerExtension3) { + ITextViewerExtension3 extension = (ITextViewerExtension3) sourceViewer; + visible = (extension.modelOffset2WidgetOffset(targetOffset) > -1); + } else { + IRegion visibleRegion = sourceViewer.getVisibleRegion(); + visible = + (targetOffset >= visibleRegion.getOffset() + && targetOffset < visibleRegion.getOffset() + visibleRegion.getLength()); + } + + if (!visible) { + setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.bracketOutsideSelectedElement")); //$NON-NLS-1$ + sourceViewer.getTextWidget().getDisplay().beep(); + return; + } + + if (selection.getLength() < 0) + targetOffset -= selection.getLength(); + + sourceViewer.setSelectedRange(targetOffset, selection.getLength()); + sourceViewer.revealRange(targetOffset, selection.getLength()); + } + /** + * Ses the given message as error message to this editor's status line. + * @param msg message to be set + */ + protected void setStatusLineErrorMessage(String msg) { + IEditorStatusLine statusLine = + (IEditorStatusLine) getAdapter(IEditorStatusLine.class); + if (statusLine != null) + statusLine.setMessage(true, msg, null); + } + + /** + * Returns a segmentation of the line of the given document appropriate for bidi rendering. + * The default implementation returns only the string literals of a php code line as segments. + * + * @param document the document + * @param lineOffset the offset of the line + * @return the line's bidi segmentation + * @throws BadLocationException in case lineOffset is not valid in document + */ + public static int[] getBidiLineSegments(IDocument document, int lineOffset) throws BadLocationException { + + IRegion line= document.getLineInformationOfOffset(lineOffset); + ITypedRegion[] linePartitioning= document.computePartitioning(lineOffset, line.getLength()); + + List segmentation= new ArrayList(); + for (int i= 0; i < linePartitioning.length; i++) { + if (IPHPPartitionScannerConstants.PHP_STRING.equals(linePartitioning[i].getType())) + segmentation.add(linePartitioning[i]); + } + + + if (segmentation.size() == 0) + return null; + + int size= segmentation.size(); + int[] segments= new int[size * 2 + 1]; + + int j= 0; + for (int i= 0; i < size; i++) { + ITypedRegion segment= (ITypedRegion) segmentation.get(i); + + if (i == 0) + segments[j++]= 0; + + int offset= segment.getOffset() - lineOffset; + if (offset > segments[j - 1]) + segments[j++]= offset; + + if (offset + segment.getLength() >= line.getLength()) + break; + + segments[j++]= offset + segment.getLength(); + } + + if (j < segments.length) { + int[] result= new int[j]; + System.arraycopy(segments, 0, result, 0, j); + segments= result; + } + + return segments; + } + /** + * Returns a segmentation of the given line appropriate for bidi rendering. The default + * implementation returns only the string literals of a php code line as segments. + * + * @param lineOffset the offset of the line + * @param line the content of the line + * @return the line's bidi segmentation + */ + protected int[] getBidiLineSegments(int lineOffset, String line) { + IDocumentProvider provider = getDocumentProvider(); + if (provider != null && line != null && line.length() > 0) { + IDocument document = provider.getDocument(getEditorInput()); + if (document != null) + try { + return getBidiLineSegments(document, lineOffset); + } catch (BadLocationException x) { + // ignore + } + } + return null; + } + + /* + * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int) + */ + protected final ISourceViewer createSourceViewer( + Composite parent, + IVerticalRuler ruler, + int styles) { + ISourceViewer viewer = createJavaSourceViewer(parent, ruler, styles); + StyledText text = viewer.getTextWidget(); + text.addBidiSegmentListener(new BidiSegmentListener() { + public void lineGetSegments(BidiSegmentEvent event) { + event.segments = getBidiLineSegments(event.lineOffset, event.lineText); + } + }); + // JavaUIHelp.setHelp(this, text, IJavaHelpContextIds.JAVA_EDITOR); + return viewer; + } + + /* + * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int) + */ + protected ISourceViewer createJavaSourceViewer( + Composite parent, + IVerticalRuler ruler, + int styles) { + return super.createSourceViewer(parent, ruler, styles); + } }