Java tutorial
/***************************************************************************** * Copyright (c) 2010 Atos Origin. * * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Atos Origin - Initial API and implementation * *****************************************************************************/ package org.eclipse.papyrus.uml.diagram.activity.edit.parts; import java.util.Collections; import java.util.List; import org.eclipse.draw2d.IFigure; import org.eclipse.draw2d.Label; import org.eclipse.draw2d.geometry.Point; import org.eclipse.emf.common.notify.Notification; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.transaction.RecordingCommand; import org.eclipse.emf.transaction.RunnableWithResult; import org.eclipse.emf.transaction.TransactionalEditingDomain; import org.eclipse.gef.AccessibleEditPart; import org.eclipse.gef.EditPolicy; import org.eclipse.gef.Request; import org.eclipse.gef.requests.DirectEditRequest; import org.eclipse.gef.tools.DirectEditManager; import org.eclipse.gmf.runtime.common.ui.services.parser.IParser; import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus; import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus; import org.eclipse.gmf.runtime.common.ui.services.parser.ParserOptions; import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; import org.eclipse.gmf.runtime.diagram.ui.editparts.ITextAwareEditPart; import org.eclipse.gmf.runtime.diagram.ui.editpolicies.LabelDirectEditPolicy; import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramColorRegistry; import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants; import org.eclipse.gmf.runtime.diagram.ui.tools.TextDirectEditManager; import org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel; import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter; import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser; import org.eclipse.gmf.runtime.notation.FontStyle; import org.eclipse.gmf.runtime.notation.NotationPackage; import org.eclipse.gmf.runtime.notation.View; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.text.contentassist.IContentAssistProcessor; import org.eclipse.jface.viewers.ICellEditorValidator; import org.eclipse.jface.window.Window; import org.eclipse.papyrus.extensionpoints.editors.Activator; import org.eclipse.papyrus.extensionpoints.editors.configuration.IAdvancedEditorConfiguration; import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConfiguration; import org.eclipse.papyrus.extensionpoints.editors.configuration.IPopupEditorConfiguration; import org.eclipse.papyrus.extensionpoints.editors.ui.ExtendedDirectEditionDialog; import org.eclipse.papyrus.extensionpoints.editors.ui.ILabelEditorDialog; import org.eclipse.papyrus.extensionpoints.editors.ui.IPopupEditorHelper; import org.eclipse.papyrus.extensionpoints.editors.utils.DirectEditorsUtil; import org.eclipse.papyrus.extensionpoints.editors.utils.IDirectEditorsIds; import org.eclipse.papyrus.infra.gmfdiag.common.editpart.PapyrusCompartmentEditPart; import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.IMaskManagedLabelEditPolicy; import org.eclipse.papyrus.uml.diagram.activity.edit.policies.UMLTextSelectionEditPolicy; import org.eclipse.papyrus.uml.diagram.activity.part.UMLVisualIDRegistry; import org.eclipse.papyrus.uml.diagram.activity.providers.UMLElementTypes; import org.eclipse.papyrus.uml.diagram.activity.providers.UMLParserProvider; import org.eclipse.papyrus.uml.diagram.common.directedit.MultilineLabelDirectEditManager; import org.eclipse.papyrus.uml.diagram.common.editpolicies.IDirectEdition; import org.eclipse.papyrus.uml.diagram.common.figure.node.CenteredWrappedLabel; import org.eclipse.papyrus.uml.diagram.common.figure.node.ILabelFigure; import org.eclipse.swt.SWT; import org.eclipse.swt.accessibility.AccessibleEvent; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.FontData; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.PlatformUI; /** * @generated */ public class AcceptEventActionLabelEditPart extends PapyrusCompartmentEditPart implements ITextAwareEditPart { /** * @generated */ public static final int VISUAL_ID = 5078; /** * @generated */ private DirectEditManager manager; /** * @generated */ private IParser parser; /** * @generated */ private List<?> parserElements; /** * @generated */ private String defaultText; /** direct edition mode (default, undefined, registered editor, etc.) */ protected int directEditionMode = IDirectEdition.UNDEFINED_DIRECT_EDITOR; /** configuration from a registered edit dialog */ protected IDirectEditorConfiguration configuration; /** * @generated */ public AcceptEventActionLabelEditPart(View view) { super(view); } /** * @generated */ protected void createDefaultEditPolicies() { super.createDefaultEditPolicies(); installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new UMLTextSelectionEditPolicy()); installEditPolicy(EditPolicy.DIRECT_EDIT_ROLE, new LabelDirectEditPolicy()); installEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE, new ActivityDiagramEditPart.NodeLabelDragPolicy()); } /** * @generated */ protected String getLabelTextHelper(IFigure figure) { if (figure instanceof WrappingLabel) { return ((WrappingLabel) figure).getText(); } else if (figure instanceof ILabelFigure) { return ((ILabelFigure) figure).getText(); } else { return ((Label) figure).getText(); } } /** * @generated */ protected void setLabelTextHelper(IFigure figure, String text) { if (figure instanceof WrappingLabel) { ((WrappingLabel) figure).setText(text); } else if (figure instanceof ILabelFigure) { ((ILabelFigure) figure).setText(text); } else { ((Label) figure).setText(text); } } /** * @generated */ protected Image getLabelIconHelper(IFigure figure) { if (figure instanceof WrappingLabel) { return ((WrappingLabel) figure).getIcon(); } else if (figure instanceof ILabelFigure) { return ((ILabelFigure) figure).getIcon(); } else { return ((Label) figure).getIcon(); } } /** * @generated */ protected void setLabelIconHelper(IFigure figure, Image icon) { if (figure instanceof WrappingLabel) { ((WrappingLabel) figure).setIcon(icon); } else if (figure instanceof ILabelFigure) { ((ILabelFigure) figure).setIcon(icon); } else { ((Label) figure).setIcon(icon); } } /** * @generated */ public void setLabel(CenteredWrappedLabel figure) { unregisterVisuals(); setFigure(figure); defaultText = getLabelTextHelper(figure); registerVisuals(); refreshVisuals(); } /** * @generated */ @SuppressWarnings("rawtypes") protected List getModelChildren() { return Collections.EMPTY_LIST; } /** * @generated */ public IGraphicalEditPart getChildBySemanticHint(String semanticHint) { return null; } /** * @generated */ protected EObject getParserElement() { return resolveSemanticElement(); } /** * @generated */ protected Image getLabelIcon() { return null; } /** * @generated */ protected String getLabelText() { String text = null; EObject parserElement = getParserElement(); if (parserElement != null && getParser() != null) { text = getParser().getPrintString(new EObjectAdapter(parserElement), getParserOptions().intValue()); } if (text == null || text.length() == 0) { text = defaultText; } return text; } /** * @generated */ public void setLabelText(String text) { setLabelTextHelper(getFigure(), text); Object pdEditPolicy = getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE); if (pdEditPolicy instanceof UMLTextSelectionEditPolicy) { ((UMLTextSelectionEditPolicy) pdEditPolicy).refreshFeedback(); } Object sfEditPolicy = getEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE); if (sfEditPolicy instanceof UMLTextSelectionEditPolicy) { ((UMLTextSelectionEditPolicy) sfEditPolicy).refreshFeedback(); } } /** * @generated */ public String getEditText() { if (getParserElement() == null || getParser() == null) { return ""; //$NON-NLS-1$ } return getParser().getEditString(new EObjectAdapter(getParserElement()), getParserOptions().intValue()); } /** * @generated */ protected boolean isEditable() { return getParser() != null; } /** * @generated */ public ICellEditorValidator getEditTextValidator() { return new ICellEditorValidator() { public String isValid(final Object value) { if (value instanceof String) { final EObject element = getParserElement(); final IParser parser = getParser(); try { IParserEditStatus valid = (IParserEditStatus) getEditingDomain() .runExclusive(new RunnableWithResult.Impl() { public void run() { setResult(parser.isValidEditString(new EObjectAdapter(element), (String) value)); } }); return valid.getCode() == ParserEditStatus.EDITABLE ? null : valid.getMessage(); } catch (InterruptedException ie) { ie.printStackTrace(); } } // shouldn't get here return null; } }; } /** * @generated */ public IContentAssistProcessor getCompletionProcessor() { if (getParserElement() == null || getParser() == null) { return null; } return getParser().getCompletionProcessor(new EObjectAdapter(getParserElement())); } /** * @generated */ public ParserOptions getParserOptions() { return ParserOptions.NONE; } /** * @generated */ public IParser getParser() { if (parser == null) { parser = UMLParserProvider.getParser(UMLElementTypes.AcceptEventAction_3063, getParserElement(), UMLVisualIDRegistry.getType( org.eclipse.papyrus.uml.diagram.activity.edit.parts.AcceptEventActionLabelEditPart.VISUAL_ID)); } return parser; } /** * @generated */ protected DirectEditManager getManager() { if (manager == null) { setManager(new MultilineLabelDirectEditManager(this, MultilineLabelDirectEditManager.getTextCellEditorClass(this), UMLEditPartFactory.getTextCellEditorLocator(this))); } return manager; } /** * @generated */ protected void setManager(DirectEditManager manager) { this.manager = manager; } /** * @generated */ protected void performDirectEdit() { getManager().show(); } /** * @generated */ protected void performDirectEdit(Point eventLocation) { if (getManager() instanceof TextDirectEditManager) { ((TextDirectEditManager) getManager()).show(eventLocation.getSWTPoint()); } } /** * @generated */ private void performDirectEdit(char initialCharacter) { if (getManager() instanceof TextDirectEditManager) { ((TextDirectEditManager) getManager()).show(initialCharacter); } else { performDirectEdit(); } } /** * @generated */ protected void performDirectEditRequest(Request request) { final Request theRequest = request; if (IDirectEdition.UNDEFINED_DIRECT_EDITOR == directEditionMode) { directEditionMode = getDirectEditionType(); } switch (directEditionMode) { case IDirectEdition.NO_DIRECT_EDITION: // no direct edition mode => does nothing return; case IDirectEdition.EXTENDED_DIRECT_EDITOR: updateExtendedEditorConfiguration(); if (configuration == null || configuration.getLanguage() == null) { performDefaultDirectEditorEdit(theRequest); } else { configuration.preEditAction(resolveSemanticElement()); Dialog dialog = null; if (configuration instanceof IPopupEditorConfiguration) { IPopupEditorHelper helper = ((IPopupEditorConfiguration) configuration) .createPopupEditorHelper(this); helper.showEditor(); return; } else if (configuration instanceof IAdvancedEditorConfiguration) { dialog = ((IAdvancedEditorConfiguration) configuration).createDialog( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), resolveSemanticElement(), configuration.getTextToEdit(resolveSemanticElement())); } else if (configuration instanceof IDirectEditorConfiguration) { dialog = new ExtendedDirectEditionDialog( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), resolveSemanticElement(), ((IDirectEditorConfiguration) configuration).getTextToEdit(resolveSemanticElement()), (IDirectEditorConfiguration) configuration); } else { return; } final Dialog finalDialog = dialog; if (Window.OK == dialog.open()) { TransactionalEditingDomain domain = getEditingDomain(); RecordingCommand command = new RecordingCommand(domain, "Edit Label") { @Override protected void doExecute() { configuration.postEditAction(resolveSemanticElement(), ((ILabelEditorDialog) finalDialog).getValue()); } }; domain.getCommandStack().execute(command); } } break; case IDirectEdition.DEFAULT_DIRECT_EDITOR: // initialize the direct edit manager try { getEditingDomain().runExclusive(new Runnable() { public void run() { if (isActive() && isEditable()) { if (theRequest.getExtendedData().get( RequestConstants.REQ_DIRECTEDIT_EXTENDEDDATA_INITIAL_CHAR) instanceof Character) { Character initialChar = (Character) theRequest.getExtendedData() .get(RequestConstants.REQ_DIRECTEDIT_EXTENDEDDATA_INITIAL_CHAR); performDirectEdit(initialChar.charValue()); } else if ((theRequest instanceof DirectEditRequest) && (getEditText().equals(getLabelText()))) { DirectEditRequest editRequest = (DirectEditRequest) theRequest; performDirectEdit(editRequest.getLocation()); } else { performDirectEdit(); } } } }); } catch (InterruptedException e) { e.printStackTrace(); } break; default: break; } } /** * @generated */ protected void refreshVisuals() { super.refreshVisuals(); refreshLabel(); refreshFont(); refreshFontColor(); refreshUnderline(); refreshStrikeThrough(); } /** * @generated */ protected void refreshLabel() { EditPolicy maskLabelPolicy = getEditPolicy(IMaskManagedLabelEditPolicy.MASK_MANAGED_LABEL_EDIT_POLICY); if (maskLabelPolicy == null) { setLabelTextHelper(getFigure(), getLabelText()); setLabelIconHelper(getFigure(), getLabelIcon()); } Object pdEditPolicy = getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE); if (pdEditPolicy instanceof UMLTextSelectionEditPolicy) { ((UMLTextSelectionEditPolicy) pdEditPolicy).refreshFeedback(); } Object sfEditPolicy = getEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE); if (sfEditPolicy instanceof UMLTextSelectionEditPolicy) { ((UMLTextSelectionEditPolicy) sfEditPolicy).refreshFeedback(); } } /** * @generated */ protected void refreshUnderline() { FontStyle style = (FontStyle) getFontStyleOwnerView().getStyle(NotationPackage.eINSTANCE.getFontStyle()); if (style != null && getFigure() instanceof WrappingLabel) { ((WrappingLabel) getFigure()).setTextUnderline(style.isUnderline()); } } /** * @generated */ protected void refreshStrikeThrough() { FontStyle style = (FontStyle) getFontStyleOwnerView().getStyle(NotationPackage.eINSTANCE.getFontStyle()); if (style != null && getFigure() instanceof WrappingLabel) { ((WrappingLabel) getFigure()).setTextStrikeThrough(style.isStrikeThrough()); } } /** * @generated */ protected void refreshFont() { FontStyle style = (FontStyle) getFontStyleOwnerView().getStyle(NotationPackage.eINSTANCE.getFontStyle()); if (style != null) { FontData fontData = new FontData(style.getFontName(), style.getFontHeight(), (style.isBold() ? SWT.BOLD : SWT.NORMAL) | (style.isItalic() ? SWT.ITALIC : SWT.NORMAL)); setFont(fontData); } } /** * @generated */ protected void setFontColor(Color color) { getFigure().setForegroundColor(color); } /** * @generated */ protected void addSemanticListeners() { if (getParser() instanceof ISemanticParser) { EObject element = resolveSemanticElement(); parserElements = ((ISemanticParser) getParser()).getSemanticElementsBeingParsed(element); for (int i = 0; i < parserElements.size(); i++) { addListenerFilter("SemanticModel" + i, this, (EObject) parserElements.get(i)); //$NON-NLS-1$ } } else { super.addSemanticListeners(); } } /** * @generated */ protected void removeSemanticListeners() { if (parserElements != null) { for (int i = 0; i < parserElements.size(); i++) { removeListenerFilter("SemanticModel" + i); //$NON-NLS-1$ } } else { super.removeSemanticListeners(); } } /** * @generated */ protected AccessibleEditPart getAccessibleEditPart() { if (accessibleEP == null) { accessibleEP = new AccessibleGraphicalEditPart() { public void getName(AccessibleEvent e) { e.result = getLabelTextHelper(getFigure()); } }; } return accessibleEP; } /** * @generated */ private View getFontStyleOwnerView() { return getPrimaryView(); } /** * Returns the kind of associated editor for direct edition. * * @return an <code>int</code> corresponding to the kind of direct editor, @see org.eclipse.papyrus.uml.diagram.common.editpolicies.IDirectEdition * @generated */ public int getDirectEditionType() { if (checkExtendedEditor()) { initExtendedEditorConfiguration(); return IDirectEdition.EXTENDED_DIRECT_EDITOR; } if (checkDefaultEdition()) { return IDirectEdition.DEFAULT_DIRECT_EDITOR; } // not a named element. no specific editor => do nothing return IDirectEdition.NO_DIRECT_EDITION; } /** * Checks if an extended editor is present. * * @return <code>true</code> if an extended editor is present. * @generated */ protected boolean checkExtendedEditor() { if (resolveSemanticElement() != null) { return DirectEditorsUtil .hasSpecificEditorConfiguration(resolveSemanticElement().eClass().getInstanceClassName()); } return false; } /** * Checks if a default direct edition is available * * @return <code>true</code> if a default direct edition is available * @generated */ protected boolean checkDefaultEdition() { return (getParser() != null); } /** * Initializes the extended editor configuration * * @generated */ protected void initExtendedEditorConfiguration() { if (configuration == null) { final String languagePreferred = Activator.getDefault().getPreferenceStore() .getString(IDirectEditorsIds.EDITOR_FOR_ELEMENT + resolveSemanticElement().eClass().getInstanceClassName()); if (languagePreferred != null && !languagePreferred.equals("")) { configuration = DirectEditorsUtil.findEditorConfiguration(languagePreferred, resolveSemanticElement().eClass().getInstanceClassName()); } else { configuration = DirectEditorsUtil.findEditorConfiguration(IDirectEditorsIds.UML_LANGUAGE, resolveSemanticElement().eClass().getInstanceClassName()); } } } /** * Updates the preference configuration */ protected void updateExtendedEditorConfiguration() { String languagePreferred = Activator.getDefault().getPreferenceStore().getString( IDirectEditorsIds.EDITOR_FOR_ELEMENT + resolveSemanticElement().eClass().getInstanceClassName()); if (languagePreferred != null && !languagePreferred.equals("") && languagePreferred != configuration.getLanguage()) { configuration = DirectEditorsUtil.findEditorConfiguration(languagePreferred, resolveSemanticElement().eClass().getInstanceClassName()); } else if (IDirectEditorsIds.SIMPLE_DIRECT_EDITOR.equals(languagePreferred)) { configuration = null; } } /** * Performs the direct edit usually used by GMF editors. * * @param theRequest * the direct edit request that starts the direct edit system */ protected void performDefaultDirectEditorEdit(final Request theRequest) { // initialize the direct edit manager try { getEditingDomain().runExclusive(new Runnable() { public void run() { if (isActive() && isEditable()) { if (theRequest.getExtendedData().get( RequestConstants.REQ_DIRECTEDIT_EXTENDEDDATA_INITIAL_CHAR) instanceof Character) { Character initialChar = (Character) theRequest.getExtendedData() .get(RequestConstants.REQ_DIRECTEDIT_EXTENDEDDATA_INITIAL_CHAR); performDirectEdit(initialChar.charValue()); } else if ((theRequest instanceof DirectEditRequest) && (getEditText().equals(getLabelText()))) { DirectEditRequest editRequest = (DirectEditRequest) theRequest; performDirectEdit(editRequest.getLocation()); } else { performDirectEdit(); } } } }); } catch (InterruptedException e) { e.printStackTrace(); } } /** * @generated */ protected void addNotationalListeners() { super.addNotationalListeners(); addListenerFilter("PrimaryView", this, getPrimaryView()); //$NON-NLS-1$ } /** * @generated */ protected void removeNotationalListeners() { super.removeNotationalListeners(); removeListenerFilter("PrimaryView"); //$NON-NLS-1$ } /** * @generated */ protected void handleNotificationEvent(Notification event) { refreshLabel(); Object feature = event.getFeature(); if (NotationPackage.eINSTANCE.getFontStyle_FontColor().equals(feature)) { Integer c = (Integer) event.getNewValue(); setFontColor(DiagramColorRegistry.getInstance().getColor(c)); } else if (NotationPackage.eINSTANCE.getFontStyle_Underline().equals(feature)) { refreshUnderline(); } else if (NotationPackage.eINSTANCE.getFontStyle_StrikeThrough().equals(feature)) { refreshStrikeThrough(); } else if (NotationPackage.eINSTANCE.getFontStyle_FontHeight().equals(feature) || NotationPackage.eINSTANCE.getFontStyle_FontName().equals(feature) || NotationPackage.eINSTANCE.getFontStyle_Bold().equals(feature) || NotationPackage.eINSTANCE.getFontStyle_Italic().equals(feature)) { refreshFont(); } else { if (getParser() != null && getParser().isAffectingEvent(event, getParserOptions().intValue())) { refreshLabel(); } if (getParser() instanceof ISemanticParser) { ISemanticParser modelParser = (ISemanticParser) getParser(); if (modelParser.areSemanticElementsAffected(null, event)) { removeSemanticListeners(); if (resolveSemanticElement() != null) { addSemanticListeners(); } refreshLabel(); } } } super.handleNotificationEvent(event); } /** * @generated */ protected IFigure createFigure() { // Parent should assign one using setLabel() method return null; } private static final String ADD_PARENT_MODEL = "AddParentModel"; /** * @generated */ public void activate() { super.activate(); addOwnerElementListeners(); } /** * @generated */ protected void addOwnerElementListeners() { addListenerFilter(ADD_PARENT_MODEL, this, ((View) getParent().getModel())); //$NON-NLS-1$ } /** * @generated */ public void deactivate() { removeOwnerElementListeners(); super.deactivate(); } /** * @generated */ protected void removeOwnerElementListeners() { removeListenerFilter(ADD_PARENT_MODEL); } }