Java tutorial
/******************************************************************************* * Copyright (c) May 9, 2011 NetXForge. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> * * Contributors: * Christophe Bouhier - initial API and implementation and/or initial documentation *******************************************************************************/ package com.netxforge.netxstudio.screens.f2.smarts; import java.util.Arrays; import java.util.Comparator; import java.util.List; import org.eclipse.emf.cdo.eresource.CDOResource; import org.eclipse.emf.cdo.view.CDOView; import org.eclipse.emf.databinding.EMFDataBindingContext; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.jface.action.IAction; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.viewers.IBaseLabelProvider; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.swt.SWT; import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.ui.forms.widgets.Form; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.wb.swt.ResourceManager; import com.google.common.collect.Lists; import com.netxforge.base.NonModelUtils; import com.netxforge.netxstudio.library.LibraryFactory; import com.netxforge.netxstudio.library.LibraryPackage; import com.netxforge.netxstudio.library.Tolerance; import com.netxforge.netxstudio.screens.AbstractSmartTableScreen; import com.netxforge.netxstudio.screens.actions.ScreenAction; import com.netxforge.netxstudio.screens.f2.NewEditTolerance; import com.netxforge.netxstudio.screens.f2.TolerancesLabelProvider; import com.netxforge.screens.editing.base.ScreenUtil; /** * @author Christophe Bouhier christophe.bouhier@netxforge.com */ public class SmartTolerances extends AbstractSmartTableScreen { private Form frmTolerances; private final FormToolkit toolkit = new FormToolkit(Display.getCurrent()); private CDOResource toleranceResource; public SmartTolerances(Composite parent, int style) { super(parent, style); addDisposeListener(new DisposeListener() { public void widgetDisposed(DisposeEvent e) { toolkit.dispose(); } }); toolkit.adapt(this); toolkit.paintBordersFor(this); } public void buildUI() { setLayout(new FillLayout(SWT.HORIZONTAL)); // Readonlyness. boolean readonly = ScreenUtil.isReadOnlyOperation(this.getOperation()); @SuppressWarnings("unused") int widgetStyle = readonly ? SWT.READ_ONLY : SWT.NONE; frmTolerances = toolkit.createForm(this); frmTolerances.setSeparatorVisible(true); toolkit.paintBordersFor(frmTolerances); frmTolerances.setText(getOperationText() + "Tolerances"); frmTolerances.getBody().setLayout(new GridLayout(3, false)); frmTolerances.getToolBarManager() .add(new EditToleranceAction("", ResourceManager.getPluginImageDescriptor("com.netxforge.netxstudio.models.edit", "icons/full/ctool16/Threshold_E.png"), ScreenAction.NEW_MODE)); frmTolerances.getToolBarManager().update(true); super.buildUI(frmTolerances.getBody(), "?"); } public Form getScreenForm() { return frmTolerances; } @Override public String getScreenName() { return "Tolerances"; } public EMFDataBindingContext initDataBindings_() { return null; } @Override public void injectData() { buildUI(); toleranceResource = (CDOResource) editingService.getData(LibraryPackage.Literals.TOLERANCE); // tolResource.cdoPrefetch(CDORevision.DEPTH_INFINITE); // Must call to set the Selection History. super.injectData(); } @Override protected List<?> delegateGetItems() { return toleranceResource.getContents(); } protected void delegateBuildColumns(TableViewer viewer) { TableViewerColumn tableViewerColumn = new TableViewerColumn(viewer, SWT.NONE); TableColumn tblclmnName = tableViewerColumn.getColumn(); tblclmnName.setWidth(143); tblclmnName.setText("Name"); TableViewerColumn tableViewerColumn_1 = new TableViewerColumn(viewer, SWT.NONE); TableColumn tblclmnOwnedBy = tableViewerColumn_1.getColumn(); tblclmnOwnedBy.setWidth(100); tblclmnOwnedBy.setText("Level"); TableViewerColumn tableViewerColumn_2 = new TableViewerColumn(viewer, SWT.NONE); TableColumn tblclmnExpression = tableViewerColumn_2.getColumn(); tblclmnExpression.setWidth(250); tblclmnExpression.setText("Expression"); } @Override protected IBaseLabelProvider delegateGetListLabelProvider() { return new TolerancesLabelProvider(); } @Override protected boolean delegateMatchItem(Object item) { if (item instanceof Tolerance) { Tolerance t = (Tolerance) item; if (t.eIsSet(LibraryPackage.Literals.TOLERANCE__NAME)) { String match = (String) t.eGet(LibraryPackage.Literals.TOLERANCE__NAME); return lazyItemsFilter.matches(match); } } return false; } private final List<IAction> actions = Lists.newArrayList(); @Override public IAction[] getActions() { if (actions.isEmpty()) { String actionText = ScreenUtil.isReadOnlyOperation(getOperation()) ? "View" : "Edit"; actions.add(new EditToleranceAction(actionText + "...", ResourceManager.getPluginImageDescriptor("com.netxforge.netxstudio.models.edit", "icons/full/obj16/Tolerance_H.png"), ScreenAction.EDIT_OR_VIEW_MODE)); actions.addAll(Arrays.asList(super.getActions())); } return actions.toArray(new IAction[actions.size()]); } /** * Wrap in an action, to contribute to a menu manager. * * @author Christophe Bouhier * */ class EditToleranceAction extends ScreenAction { public EditToleranceAction(String text, ImageDescriptor image, int mode) { super(text, image, mode); } @Override protected boolean updateSelection(IStructuredSelection selection) { return selection.getFirstElement() instanceof Tolerance; } @Override public void run() { super.run(); if (screenService != null) { if (this.getMode() == ScreenAction.EDIT_OR_VIEW_MODE) { ISelection selection = getViewer().getSelection(); if (selection instanceof IStructuredSelection) { Object o = ((IStructuredSelection) selection).getFirstElement(); // We are going to edit this object, add it to the // history. getLazyTableViewer().addToHistory(o); if (o != null) { NewEditTolerance toleranceScreen = new NewEditTolerance( screenService.getScreenContainer(), SWT.NONE); toleranceScreen.setOperation(getOperation()); toleranceScreen.setScreenService(screenService); toleranceScreen.injectData(toleranceResource, o); screenService.setActiveScreen(toleranceScreen); } } } else if (this.getMode() == ScreenAction.NEW_MODE) { NewEditTolerance toleranceScreen = new NewEditTolerance(screenService.getScreenContainer(), SWT.NONE); toleranceScreen.setOperation(ScreenUtil.OPERATION_NEW); toleranceScreen.setScreenService(screenService); Tolerance tolerance = LibraryFactory.eINSTANCE.createTolerance(); toleranceScreen.injectData(toleranceResource, tolerance); screenService.setActiveScreen(toleranceScreen); } } } } @SuppressWarnings("unchecked") @Override public <T> Comparator<T> delegateGetItemsComparator() { Comparator<Tolerance> objectEAttributeComparator = NonModelUtils .<Tolerance, String>objectEAttributeComparator(LibraryPackage.Literals.TOLERANCE__NAME); return (Comparator<T>) objectEAttributeComparator; } @Override public CDOView delegateGetCDOView() { return toleranceResource.cdoView(); } @Override protected Resource delegateGetResource() { return toleranceResource; } @Override protected void delegateHandleDoubleClick() { getActions()[0].run(); } }