-package org.simantics.scl.ui.editor2;\r
-\r
-import org.eclipse.jface.resource.JFaceResources;\r
-import org.eclipse.jface.resource.LocalResourceManager;\r
-import org.eclipse.jface.resource.ResourceManager;\r
-import org.eclipse.jface.text.IDocument;\r
-import org.eclipse.swt.widgets.Composite;\r
-import org.eclipse.ui.IEditorInput;\r
-import org.eclipse.ui.IEditorSite;\r
-import org.eclipse.ui.PartInitException;\r
-import org.eclipse.ui.contexts.IContextService;\r
-import org.eclipse.ui.editors.text.TextEditor;\r
-import org.eclipse.ui.texteditor.ITextEditorActionConstants;\r
-import org.eclipse.ui.texteditor.StatusLineContributionItem;\r
-import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;\r
-import org.simantics.scl.ui.editor.completion.SCLTextEditorEnvironment;\r
-\r
-public class SCLModuleEditor2 extends TextEditor {\r
- private boolean disposed = false;\r
- ResourceManager resourceManager;\r
-\r
- public SCLModuleEditor2() {\r
- super();\r
- resourceManager = new LocalResourceManager(JFaceResources.getResources());\r
- SCLSourceViewerConfigurationNew sourceViewerConfiguration = new SCLSourceViewerConfigurationNew(resourceManager);\r
- setDocumentProvider(new SCLModuleEditor2DocumentProvider(sourceViewerConfiguration));\r
- setSourceViewerConfiguration(sourceViewerConfiguration);\r
- }\r
- \r
- @Override\r
- public boolean isTabsToSpacesConversionEnabled() {\r
- return true;\r
- }\r
- \r
- @Override\r
- public void init(IEditorSite site, IEditorInput input)\r
- throws PartInitException {\r
- super.init(site, input);\r
- }\r
-\r
- @Override\r
- public void createPartControl(Composite parent) {\r
- super.createPartControl(parent);\r
- StatusLineContributionItem statusLineContribution = new StatusLineContributionItem(\r
- ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION,\r
- true, 14);\r
- setStatusField(statusLineContribution,\r
- ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION);\r
- getEditorSite().getActionBars().getStatusLineManager().add(statusLineContribution);\r
- getEditorSite().getActionBars().updateActionBars();\r
- getEditorSite().getService(IContextService.class).activateContext("org.simantics.scl.ui.editor");\r
- updatePartName();\r
- }\r
-\r
- protected void updatePartName() {\r
- setPartName(getEditorInput().getName());\r
- }\r
- \r
- @Override\r
- public void dispose() {\r
- disposed = true;\r
- super.dispose();\r
- resourceManager.dispose();\r
- }\r
-\r
- public boolean isDisposed() {\r
- return disposed;\r
- }\r
- \r
- public SCLTextEditorEnvironment getSCLTextEditorEnvironment() {\r
- return ((SCLSourceViewerConfigurationNew)getSourceViewerConfiguration())\r
- .getSclTextEditorEnvironment();\r
- }\r
-\r
- public IDocument getDocument() {\r
- return getSourceViewer().getDocument();\r
- }\r
-}\r
+package org.simantics.scl.ui.editor2;
+
+import java.text.CharacterIterator;
+
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.jface.resource.LocalResourceManager;
+import org.eclipse.jface.resource.ResourceManager;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.link.LinkedModeModel;
+import org.eclipse.jface.text.link.LinkedPosition;
+import org.eclipse.jface.text.source.DefaultCharacterPairMatcher;
+import org.eclipse.jface.text.source.ISourceViewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.ST;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.contexts.IContextService;
+import org.eclipse.ui.editors.text.TextEditor;
+import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
+import org.eclipse.ui.texteditor.IUpdate;
+import org.eclipse.ui.texteditor.SourceViewerDecorationSupport;
+import org.eclipse.ui.texteditor.TextNavigationAction;
+import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;
+import org.simantics.scl.ui.editor.completion.SCLTextEditorEnvironment;
+import org.simantics.scl.ui.editor2.iterator.DocumentCharacterIterator;
+import org.simantics.scl.ui.editor2.iterator.JavaWordIterator;
+
+import com.ibm.icu.text.BreakIterator;
+
+public class SCLModuleEditor2 extends TextEditor {
+
+ private static final char[] CHARS = new char[] { '(', ')', '{', '}', '[', ']', '<', '>' };
+
+ private static final String MATCHING_BRACKETS = "matchingBrackets";
+ private static final String MATCHING_BRACKETS_COLOR = "matchingBracketsColor";
+ private static final String HIGHLIGHT_BRACKET_AT_CARET_LOCATION = "highlightBracketAtCaretLocation";
+ private static final String ENCLOSING_BRACKETS = "enclosingBrackets";
+
+ private boolean disposed = false;
+ protected ResourceManager resourceManager;
+ private DefaultCharacterPairMatcher matcher;
+
+ public SCLModuleEditor2() {
+ super();
+ resourceManager = new LocalResourceManager(JFaceResources.getResources());
+ SCLSourceViewerConfigurationNew sourceViewerConfiguration = new SCLSourceViewerConfigurationNew(resourceManager);
+ setDocumentProvider(new SCLModuleEditor2DocumentProvider(sourceViewerConfiguration));
+ setSourceViewerConfiguration(sourceViewerConfiguration);
+ }
+
+ @Override
+ public boolean isTabsToSpacesConversionEnabled() {
+ return true;
+ }
+
+ @Override
+ public void init(IEditorSite site, IEditorInput input)
+ throws PartInitException {
+ super.init(site, input);
+ getPreferenceStore().setValue(MATCHING_BRACKETS, true);
+ getPreferenceStore().setValue(MATCHING_BRACKETS_COLOR, "192,192,192");
+ getPreferenceStore().setValue(HIGHLIGHT_BRACKET_AT_CARET_LOCATION, true);
+ getPreferenceStore().setValue(ENCLOSING_BRACKETS, true);
+ }
+
+ @Override
+ public void createPartControl(Composite parent) {
+ super.createPartControl(parent);
+ getEditorSite().getService(IContextService.class).activateContext("org.simantics.scl.ui.editor");
+ updatePartName();
+ }
+
+ @Override
+ protected void createNavigationActions() {
+ super.createNavigationActions();
+
+ // Taken from org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.createNavigationActions()
+ final StyledText textWidget= getSourceViewer().getTextWidget();
+
+ IAction action = new NavigatePreviousSubWordAction();
+ action.setActionDefinitionId(ITextEditorActionDefinitionIds.WORD_PREVIOUS);
+ setAction(ITextEditorActionDefinitionIds.WORD_PREVIOUS, action);
+ textWidget.setKeyBinding(SWT.CTRL | SWT.ARROW_LEFT, SWT.NULL);
+
+ action = new NavigateNextSubWordAction();
+ action.setActionDefinitionId(ITextEditorActionDefinitionIds.WORD_NEXT);
+ setAction(ITextEditorActionDefinitionIds.WORD_NEXT, action);
+ textWidget.setKeyBinding(SWT.CTRL | SWT.ARROW_RIGHT, SWT.NULL);
+
+ action = new SelectPreviousSubWordAction();
+ action.setActionDefinitionId(ITextEditorActionDefinitionIds.SELECT_WORD_PREVIOUS);
+ setAction(ITextEditorActionDefinitionIds.SELECT_WORD_PREVIOUS, action);
+ textWidget.setKeyBinding(SWT.CTRL | SWT.SHIFT | SWT.ARROW_LEFT, SWT.NULL);
+
+ action = new SelectNextSubWordAction();
+ action.setActionDefinitionId(ITextEditorActionDefinitionIds.SELECT_WORD_NEXT);
+ setAction(ITextEditorActionDefinitionIds.SELECT_WORD_NEXT, action);
+ textWidget.setKeyBinding(SWT.CTRL | SWT.SHIFT | SWT.ARROW_RIGHT, SWT.NULL);
+ }
+
+ protected void updatePartName() {
+ setPartName(getEditorInput().getName());
+ }
+
+ @Override
+ protected void configureSourceViewerDecorationSupport(SourceViewerDecorationSupport support) {
+ matcher = new DefaultCharacterPairMatcher(CHARS);
+ support.setCharacterPairMatcher(matcher);
+ support.setMatchingCharacterPainterPreferenceKeys(MATCHING_BRACKETS, MATCHING_BRACKETS_COLOR, HIGHLIGHT_BRACKET_AT_CARET_LOCATION, ENCLOSING_BRACKETS);
+ super.configureSourceViewerDecorationSupport(support);
+ }
+
+ @Override
+ public void dispose() {
+ disposed = true;
+ super.dispose();
+ resourceManager.dispose();
+ matcher.dispose();
+ }
+
+ public boolean isDisposed() {
+ return disposed;
+ }
+
+ public SCLTextEditorEnvironment getSCLTextEditorEnvironment() {
+ return ((SCLSourceViewerConfigurationNew)getSourceViewerConfiguration())
+ .getSclTextEditorEnvironment();
+ }
+
+ public IDocument getDocument() {
+ return getSourceViewer().getDocument();
+ }
+
+ /**
+ * Text navigation action to navigate to the next sub-word.
+ *
+ * @since 3.0
+ */
+ protected abstract class NextSubWordAction extends TextNavigationAction {
+
+ protected JavaWordIterator fIterator= new JavaWordIterator();
+
+ /**
+ * Creates a new next sub-word action.
+ *
+ * @param code Action code for the default operation. Must be an action code from @see org.eclipse.swt.custom.ST.
+ */
+ protected NextSubWordAction(int code) {
+ super(getSourceViewer().getTextWidget(), code);
+ }
+
+ /*
+ * @see org.eclipse.jface.action.IAction#run()
+ */
+ @Override
+ public void run() {
+ final ISourceViewer viewer= getSourceViewer();
+ final IDocument document= viewer.getDocument();
+ try {
+ fIterator.setText((CharacterIterator)new DocumentCharacterIterator(document));
+ int position= widgetOffset2ModelOffset(viewer, viewer.getTextWidget().getCaretOffset());
+ if (position == -1)
+ return;
+
+ int next= findNextPosition(position);
+ if (isBlockSelectionModeEnabled() && document.getLineOfOffset(next) != document.getLineOfOffset(position)) {
+ super.run(); // may navigate into virtual white space
+ } else if (next != BreakIterator.DONE) {
+ setCaretPosition(next);
+ getTextWidget().showSelection();
+ fireSelectionChanged();
+ }
+ } catch (BadLocationException x) {
+ // ignore
+ }
+ }
+
+ /**
+ * Finds the next position after the given position.
+ *
+ * @param position the current position
+ * @return the next position
+ */
+ protected int findNextPosition(int position) {
+ ISourceViewer viewer= getSourceViewer();
+ int widget= -1;
+ int next= position;
+ while (next != BreakIterator.DONE && widget == -1) { // XXX: optimize
+ next= fIterator.following(next);
+ if (next != BreakIterator.DONE)
+ widget= modelOffset2WidgetOffset(viewer, next);
+ }
+
+ IDocument document= viewer.getDocument();
+ LinkedModeModel model= LinkedModeModel.getModel(document, position);
+ if (model != null && next != BreakIterator.DONE) {
+ LinkedPosition linkedPosition= model.findPosition(new LinkedPosition(document, position, 0));
+ if (linkedPosition != null) {
+ int linkedPositionEnd= linkedPosition.getOffset() + linkedPosition.getLength();
+ if (position != linkedPositionEnd && linkedPositionEnd < next)
+ next= linkedPositionEnd;
+ } else {
+ LinkedPosition nextLinkedPosition= model.findPosition(new LinkedPosition(document, next, 0));
+ if (nextLinkedPosition != null) {
+ int nextLinkedPositionOffset= nextLinkedPosition.getOffset();
+ if (position != nextLinkedPositionOffset && nextLinkedPositionOffset < next)
+ next= nextLinkedPositionOffset;
+ }
+ }
+ }
+
+ return next;
+ }
+
+ /**
+ * Sets the caret position to the sub-word boundary given with <code>position</code>.
+ *
+ * @param position Position where the action should move the caret
+ */
+ protected abstract void setCaretPosition(int position);
+ }
+
+ /**
+ * Text navigation action to navigate to the next sub-word.
+ *
+ * @since 3.0
+ */
+ protected class NavigateNextSubWordAction extends NextSubWordAction {
+
+ /**
+ * Creates a new navigate next sub-word action.
+ */
+ public NavigateNextSubWordAction() {
+ super(ST.WORD_NEXT);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#setCaretPosition(int)
+ */
+ @Override
+ protected void setCaretPosition(final int position) {
+ getTextWidget().setCaretOffset(modelOffset2WidgetOffset(getSourceViewer(), position));
+ }
+ }
+
+ /**
+ * Text operation action to delete the next sub-word.
+ *
+ * @since 3.0
+ */
+ protected class DeleteNextSubWordAction extends NextSubWordAction implements IUpdate {
+
+ /**
+ * Creates a new delete next sub-word action.
+ */
+ public DeleteNextSubWordAction() {
+ super(ST.DELETE_WORD_NEXT);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#setCaretPosition(int)
+ */
+ @Override
+ protected void setCaretPosition(final int position) {
+ if (!validateEditorInputState())
+ return;
+
+ final ISourceViewer viewer= getSourceViewer();
+ StyledText text= viewer.getTextWidget();
+ Point widgetSelection= text.getSelection();
+ if (isBlockSelectionModeEnabled() && widgetSelection.y != widgetSelection.x) {
+ final int caret= text.getCaretOffset();
+ final int offset= modelOffset2WidgetOffset(viewer, position);
+
+ if (caret == widgetSelection.x)
+ text.setSelectionRange(widgetSelection.y, offset - widgetSelection.y);
+ else
+ text.setSelectionRange(widgetSelection.x, offset - widgetSelection.x);
+ text.invokeAction(ST.DELETE_NEXT);
+ } else {
+ Point selection= viewer.getSelectedRange();
+ final int caret, length;
+ if (selection.y != 0) {
+ caret= selection.x;
+ length= selection.y;
+ } else {
+ caret= widgetOffset2ModelOffset(viewer, text.getCaretOffset());
+ length= position - caret;
+ }
+
+ try {
+ viewer.getDocument().replace(caret, length, ""); //$NON-NLS-1$
+ } catch (BadLocationException exception) {
+ // Should not happen
+ }
+ }
+ }
+
+ /*
+ * @see org.eclipse.ui.texteditor.IUpdate#update()
+ */
+ public void update() {
+ setEnabled(isEditorInputModifiable());
+ }
+ }
+
+ /**
+ * Text operation action to select the next sub-word.
+ *
+ * @since 3.0
+ */
+ protected class SelectNextSubWordAction extends NextSubWordAction {
+
+ /**
+ * Creates a new select next sub-word action.
+ */
+ public SelectNextSubWordAction() {
+ super(ST.SELECT_WORD_NEXT);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#setCaretPosition(int)
+ */
+ @Override
+ protected void setCaretPosition(final int position) {
+ final ISourceViewer viewer= getSourceViewer();
+
+ final StyledText text= viewer.getTextWidget();
+ if (text != null && !text.isDisposed()) {
+
+ final Point selection= text.getSelection();
+ final int caret= text.getCaretOffset();
+ final int offset= modelOffset2WidgetOffset(viewer, position);
+
+ if (caret == selection.x)
+ text.setSelectionRange(selection.y, offset - selection.y);
+ else
+ text.setSelectionRange(selection.x, offset - selection.x);
+ }
+ }
+ }
+
+ /**
+ * Text navigation action to navigate to the previous sub-word.
+ *
+ * @since 3.0
+ */
+ protected abstract class PreviousSubWordAction extends TextNavigationAction {
+
+ protected JavaWordIterator fIterator= new JavaWordIterator();
+
+ /**
+ * Creates a new previous sub-word action.
+ *
+ * @param code Action code for the default operation. Must be an action code from @see org.eclipse.swt.custom.ST.
+ */
+ protected PreviousSubWordAction(final int code) {
+ super(getSourceViewer().getTextWidget(), code);
+ }
+
+ /*
+ * @see org.eclipse.jface.action.IAction#run()
+ */
+ @Override
+ public void run() {
+ final ISourceViewer viewer= getSourceViewer();
+ final IDocument document= viewer.getDocument();
+ try {
+ fIterator.setText((CharacterIterator)new DocumentCharacterIterator(document));
+ int position= widgetOffset2ModelOffset(viewer, viewer.getTextWidget().getCaretOffset());
+ if (position == -1)
+ return;
+
+ int previous= findPreviousPosition(position);
+ if (isBlockSelectionModeEnabled() && document.getLineOfOffset(previous) != document.getLineOfOffset(position)) {
+ super.run(); // may navigate into virtual white space
+ } else if (previous != BreakIterator.DONE) {
+ setCaretPosition(previous);
+ getTextWidget().showSelection();
+ fireSelectionChanged();
+ }
+ } catch (BadLocationException x) {
+ // ignore - getLineOfOffset failed
+ }
+
+ }
+
+ /**
+ * Finds the previous position before the given position.
+ *
+ * @param position the current position
+ * @return the previous position
+ */
+ protected int findPreviousPosition(int position) {
+ ISourceViewer viewer= getSourceViewer();
+ int widget= -1;
+ int previous= position;
+ while (previous != BreakIterator.DONE && widget == -1) { // XXX: optimize
+ previous= fIterator.preceding(previous);
+ if (previous != BreakIterator.DONE)
+ widget= modelOffset2WidgetOffset(viewer, previous);
+ }
+
+ IDocument document= viewer.getDocument();
+ LinkedModeModel model= LinkedModeModel.getModel(document, position);
+ if (model != null && previous != BreakIterator.DONE) {
+ LinkedPosition linkedPosition= model.findPosition(new LinkedPosition(document, position, 0));
+ if (linkedPosition != null) {
+ int linkedPositionOffset= linkedPosition.getOffset();
+ if (position != linkedPositionOffset && previous < linkedPositionOffset)
+ previous= linkedPositionOffset;
+ } else {
+ LinkedPosition previousLinkedPosition= model.findPosition(new LinkedPosition(document, previous, 0));
+ if (previousLinkedPosition != null) {
+ int previousLinkedPositionEnd= previousLinkedPosition.getOffset() + previousLinkedPosition.getLength();
+ if (position != previousLinkedPositionEnd && previous < previousLinkedPositionEnd)
+ previous= previousLinkedPositionEnd;
+ }
+ }
+ }
+
+ return previous;
+ }
+
+ /**
+ * Sets the caret position to the sub-word boundary given with <code>position</code>.
+ *
+ * @param position Position where the action should move the caret
+ */
+ protected abstract void setCaretPosition(int position);
+ }
+
+ /**
+ * Text navigation action to navigate to the previous sub-word.
+ *
+ * @since 3.0
+ */
+ protected class NavigatePreviousSubWordAction extends PreviousSubWordAction {
+
+ /**
+ * Creates a new navigate previous sub-word action.
+ */
+ public NavigatePreviousSubWordAction() {
+ super(ST.WORD_PREVIOUS);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#setCaretPosition(int)
+ */
+ @Override
+ protected void setCaretPosition(final int position) {
+ getTextWidget().setCaretOffset(modelOffset2WidgetOffset(getSourceViewer(), position));
+ }
+ }
+
+ /**
+ * Text operation action to delete the previous sub-word.
+ *
+ * @since 3.0
+ */
+ protected class DeletePreviousSubWordAction extends PreviousSubWordAction implements IUpdate {
+
+ /**
+ * Creates a new delete previous sub-word action.
+ */
+ public DeletePreviousSubWordAction() {
+ super(ST.DELETE_WORD_PREVIOUS);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#setCaretPosition(int)
+ */
+ @Override
+ protected void setCaretPosition(int position) {
+ if (!validateEditorInputState())
+ return;
+
+ final int length;
+ final ISourceViewer viewer= getSourceViewer();
+ StyledText text= viewer.getTextWidget();
+ Point widgetSelection= text.getSelection();
+ if (isBlockSelectionModeEnabled() && widgetSelection.y != widgetSelection.x) {
+ final int caret= text.getCaretOffset();
+ final int offset= modelOffset2WidgetOffset(viewer, position);
+
+ if (caret == widgetSelection.x)
+ text.setSelectionRange(widgetSelection.y, offset - widgetSelection.y);
+ else
+ text.setSelectionRange(widgetSelection.x, offset - widgetSelection.x);
+ text.invokeAction(ST.DELETE_PREVIOUS);
+ } else {
+ Point selection= viewer.getSelectedRange();
+ if (selection.y != 0) {
+ position= selection.x;
+ length= selection.y;
+ } else {
+ length= widgetOffset2ModelOffset(viewer, text.getCaretOffset()) - position;
+ }
+
+ try {
+ viewer.getDocument().replace(position, length, ""); //$NON-NLS-1$
+ } catch (BadLocationException exception) {
+ // Should not happen
+ }
+ }
+ }
+
+ /*
+ * @see org.eclipse.ui.texteditor.IUpdate#update()
+ */
+ public void update() {
+ setEnabled(isEditorInputModifiable());
+ }
+ }
+
+ /**
+ * Text operation action to select the previous sub-word.
+ *
+ * @since 3.0
+ */
+ protected class SelectPreviousSubWordAction extends PreviousSubWordAction {
+
+ /**
+ * Creates a new select previous sub-word action.
+ */
+ public SelectPreviousSubWordAction() {
+ super(ST.SELECT_WORD_PREVIOUS);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#setCaretPosition(int)
+ */
+ @Override
+ protected void setCaretPosition(final int position) {
+ final ISourceViewer viewer= getSourceViewer();
+
+ final StyledText text= viewer.getTextWidget();
+ if (text != null && !text.isDisposed()) {
+
+ final Point selection= text.getSelection();
+ final int caret= text.getCaretOffset();
+ final int offset= modelOffset2WidgetOffset(viewer, position);
+
+ if (caret == selection.x)
+ text.setSelectionRange(selection.y, offset - selection.y);
+ else
+ text.setSelectionRange(selection.x, offset - selection.x);
+ }
+ }
+ }
+
+}
Code Review / simantics / platform.git / blobdiff