Java tutorial
/******************************************************************************* * Copyright (c) 2010-2015 Henshin developers. 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: * TU Berlin, University of Luxembourg, SES S.A. *******************************************************************************/ package de.tub.tfs.muvitor.gef.directedit; import org.eclipse.core.runtime.Assert; import org.eclipse.draw2d.IFigure; import org.eclipse.draw2d.geometry.Rectangle; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.gef.GraphicalEditPart; import org.eclipse.gef.tools.CellEditorLocator; import org.eclipse.gef.tools.DirectEditManager; import org.eclipse.jface.action.IAction; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.window.DefaultToolTip; import org.eclipse.jface.window.ToolTip; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IActionBars; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.actions.ActionFactory; import org.eclipse.ui.internal.PartSite; import org.eclipse.ui.part.CellEditorActionHandler; import de.tub.tfs.muvitor.gef.directedit.IDirectEditPart.IGraphicalDirectEditPart; import de.tub.tfs.muvitor.gef.editparts.AdapterConnectionEditPart; import de.tub.tfs.muvitor.gef.editparts.AdapterGraphicalEditPart; import de.tub.tfs.muvitor.ui.utils.SWTResourceManager; /** * The {@link DirectEditManager} for {@link IGraphicalDirectEditPart}s that have * a {@link MuvitorDirectEditPolicy} installed. Creates an * {@link TextCellEditor} for changing the name of a named element in place. * * @see AdapterConnectionEditPart * @see AdapterGraphicalEditPart */ @SuppressWarnings("restriction") public class MuvitorDirectEditManager extends DirectEditManager { private IActionBars actionBars; private CellEditorActionHandler actionHandler; private IAction copy, cut, paste, undo, redo, find, selectAll, delete; DefaultToolTip errorToolTip; public MuvitorDirectEditManager(final GraphicalEditPart source) { super(source, null, new CellEditorLocator() { /** * Determine the position for the {@link CellEditor} based on the * bounds {@link IGraphicalDirectEditPart} provide. */ @Override public void relocate(final CellEditor celleditor) { final IFigure figure = source.getFigure(); final Text text = (Text) celleditor.getControl(); final Rectangle rect = new Rectangle(((IGraphicalDirectEditPart) source).getValueLabelTextBounds()); figure.translateToAbsolute(rect); //figure.translateToParent(rect); final Point size = text.computeSize(SWT.DEFAULT, SWT.DEFAULT, true); final org.eclipse.swt.graphics.Rectangle trim = text.computeTrim(0, 0, size.x, size.y); final org.eclipse.swt.graphics.Rectangle trim2 = text.computeTrim(0, 0, 0, 0); rect.x = rect.x + rect.width - size.x + trim2.width; rect.translate(trim.x, trim.y); rect.width = trim.width; rect.height = trim.height; //figure.translateToRelative(rect); //figure.translateFromParent(rect); text.setBounds(rect.x, rect.y, rect.width, rect.height); } }); Assert.isTrue(source instanceof IGraphicalDirectEditPart, "MuvitorDirectEditManager must not be installed on edit parts that do not implement IGraphicalDirectEditPart!"); } protected void updateActionBars() { // FIXED if a view is maximized we must use the viewsite's action bars // because there is no "active editor" final PartSite site = (PartSite) PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage() .getActivePart().getSite(); actionBars = site.getActionBars(); // save current actions copy = actionBars.getGlobalActionHandler(ActionFactory.COPY.getId()); paste = actionBars.getGlobalActionHandler(ActionFactory.PASTE.getId()); delete = actionBars.getGlobalActionHandler(ActionFactory.DELETE.getId()); selectAll = actionBars.getGlobalActionHandler(ActionFactory.SELECT_ALL.getId()); cut = actionBars.getGlobalActionHandler(ActionFactory.CUT.getId()); find = actionBars.getGlobalActionHandler(ActionFactory.FIND.getId()); undo = actionBars.getGlobalActionHandler(ActionFactory.UNDO.getId()); redo = actionBars.getGlobalActionHandler(ActionFactory.REDO.getId()); // --------- actionHandler = new CellEditorActionHandler(actionBars); actionHandler.addCellEditor(getCellEditor()); actionBars.updateActionBars(); } @Override protected void bringDown() { getErrorToolTip().hide(); // getErrorToolTip().deactivate(); if (actionHandler != null) { actionHandler.dispose(); actionHandler = null; } if (actionBars != null) { // restore saved actions actionBars.setGlobalActionHandler(ActionFactory.COPY.getId(), copy); actionBars.setGlobalActionHandler(ActionFactory.PASTE.getId(), paste); actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(), delete); actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), selectAll); actionBars.setGlobalActionHandler(ActionFactory.CUT.getId(), cut); actionBars.setGlobalActionHandler(ActionFactory.FIND.getId(), find); actionBars.setGlobalActionHandler(ActionFactory.UNDO.getId(), undo); actionBars.setGlobalActionHandler(ActionFactory.REDO.getId(), redo); // ----------------- actionBars.updateActionBars(); actionBars = null; } super.bringDown(); } /* * (non-Javadoc) * @see * org.eclipse.gef.tools.DirectEditManager#createCellEditorOn(org.eclipse * .swt.widgets.Composite) */ @Override protected CellEditor createCellEditorOn(final Composite composite) { return new TextCellEditor(composite) { @Override protected boolean isCorrect(final Object value) { if (super.isCorrect(value)) { // do not hide (possibly just create) errorToolTip if not // necessary if (errorToolTip != null) { getErrorToolTip().hide(); } text.setForeground(SWTResourceManager.getColor(0, 0, 0)); text.setToolTipText(getErrorMessage()); return true; } text.setForeground(SWTResourceManager.getColor(255, 0, 0)); getErrorToolTip().setText(getErrorMessage()); getErrorToolTip().show(getControl().getSize()); return false; } }; } /* * (non-Javadoc) * @see org.eclipse.gef.tools.DirectEditManager#initCellEditor() */ @Override protected void initCellEditor() { final EObject model = (EObject) getEditPart().getModel(); final int featureID = ((IGraphicalDirectEditPart) getEditPart()).getDirectEditFeatureID(); final EStructuralFeature feature = model.eClass().getEStructuralFeature(featureID); // TODO Fehler wenn value noch nicht initianalisiert und = null if (model.eGet(feature) != null) { getCellEditor().setValue(model.eGet(feature).toString()); } else { getCellEditor().setValue(""); } getCellEditor().setValidator(((IGraphicalDirectEditPart) getEditPart()).getDirectEditValidator()); updateActionBars(); } DefaultToolTip getErrorToolTip() { if (errorToolTip == null) { errorToolTip = new DefaultToolTip(getCellEditor().getControl(), ToolTip.RECREATE | SWT.SHADOW_IN, true); } return errorToolTip; } }