/*******************************************************************************
* 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;
}
}