Java tutorial
/* * This file is part of the ISIS IBEX application. * Copyright (C) 2012-2015 Science & Technology Facilities Council. * All rights reserved. * * This program is distributed in the hope that it will be useful. * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution. * EXCEPT AS EXPRESSLY SET FORTH IN THE ECLIPSE PUBLIC LICENSE V1.0, THE PROGRAM * AND ACCOMPANYING MATERIALS ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES * OR CONDITIONS OF ANY KIND. See the Eclipse Public License v1.0 for more details. * * You should have received a copy of the Eclipse Public License v1.0 * along with this program; if not, you can obtain a copy from * https://www.eclipse.org/org/documents/epl-v10.php or * http://opensource.org/licenses/eclipse-1.0.php */ package uk.ac.stfc.isis.ibex.ui.experimentdetails; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.beans.BeanProperties; import org.eclipse.jface.databinding.swt.WidgetProperties; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.PlatformUI; import uk.ac.stfc.isis.ibex.ui.experimentdetails.rblookup.RBLookupDialog; import uk.ac.stfc.isis.ibex.ui.experimentdetails.rblookup.RBLookupViewModel; import uk.ac.stfc.isis.ibex.ui.widgets.observable.WritableObservingTextBox; @SuppressWarnings("checkstyle:magicnumber") public class ExperimentDetailsPanel extends Composite { private final ViewModel viewModel = new ViewModel(); private final Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); private final ParametersTable sampleParameters; private final ParametersTable beamParameters; private final UserDetailsTable userDetails; private Label lblRbNumber; private Label lblSampleParameters; private Label lblBeamlineParameters; private Label lblExperimentTeam; private WritableObservingTextBox rbNumber; private Button btnUpdateUserDetails; private Button btnAddUserDetails; private Composite experimentTeamButtons; private Button btnClearUserDetails; private Button btnRemoveUserDetails; private Button btnRBLookup; public ExperimentDetailsPanel(Composite parent, int style) { super(parent, style); setLayout(new FillLayout(SWT.HORIZONTAL)); Composite composite = new Composite(this, SWT.NONE); composite.setLayout(new GridLayout(5, false)); lblRbNumber = new Label(composite, SWT.NONE); lblRbNumber.setText("RB Number"); rbNumber = new WritableObservingTextBox(composite, SWT.NONE, viewModel.rbNumber); GridData gdRbNumber = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1); gdRbNumber.minimumWidth = 100; gdRbNumber.widthHint = 100; rbNumber.setLayoutData(gdRbNumber); btnRBLookup = new Button(composite, SWT.NONE); btnRBLookup.setText("Search"); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); btnRBLookup.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { RBLookupViewModel lookupViewModel = new RBLookupViewModel(); RBLookupDialog lookupDialog = new RBLookupDialog(shell, lookupViewModel); if (lookupDialog.open() == Window.OK) { viewModel.rbNumber .uncheckedSetText(lookupViewModel.getSelectedUser().getAssociatedExperimentID()); } } }); lblExperimentTeam = new Label(composite, SWT.NONE); lblExperimentTeam.setText("Experiment Team"); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); userDetails = new EditableUserDetailsTable(composite, SWT.NONE, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER); GridData gdUserDetails = new GridData(SWT.LEFT, SWT.FILL, false, true, 2, 1); gdUserDetails.heightHint = 110; gdUserDetails.minimumHeight = 110; gdUserDetails.widthHint = 600; gdUserDetails.minimumWidth = 600; userDetails.setLayoutData(gdUserDetails); updateUserDetails(); viewModel.model.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent arg0) { updateUserDetails(); } }); experimentTeamButtons = new Composite(composite, SWT.NONE); experimentTeamButtons.setLayout(new GridLayout(1, false)); GridData gdDetailsButtons = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1); gdDetailsButtons.widthHint = 50; btnAddUserDetails = new Button(experimentTeamButtons, SWT.NONE); btnAddUserDetails.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewModel.model.addDefaultUser(); viewModel.model.sendUserDetails(); } }); btnAddUserDetails.setText("Add"); btnAddUserDetails.setLayoutData(gdDetailsButtons); btnRemoveUserDetails = new Button(experimentTeamButtons, SWT.NONE); btnRemoveUserDetails.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewModel.model.removeUsers(userDetails.selectedRows()); viewModel.model.sendUserDetails(); } }); btnRemoveUserDetails.setText("Remove"); btnRemoveUserDetails.setLayoutData(gdDetailsButtons); btnClearUserDetails = new Button(experimentTeamButtons, SWT.NONE); btnClearUserDetails.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewModel.model.clearUserDetails(); viewModel.model.sendUserDetails(); } }); btnClearUserDetails.setText("Clear"); btnClearUserDetails.setLayoutData(gdDetailsButtons); btnUpdateUserDetails = new Button(experimentTeamButtons, SWT.NONE); btnUpdateUserDetails.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewModel.model.sendUserDetails(); } }); btnUpdateUserDetails.setText("Set"); btnUpdateUserDetails.setLayoutData(gdDetailsButtons); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); lblSampleParameters = new Label(composite, SWT.NONE); lblSampleParameters.setText("Sample Parameters"); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); sampleParameters = new ParametersTable(composite, SWT.NONE, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER); GridData gdSampleParameters = new GridData(SWT.LEFT, SWT.FILL, false, true, 4, 1); gdSampleParameters.widthHint = 600; gdSampleParameters.minimumWidth = 600; gdSampleParameters.minimumHeight = 150; gdSampleParameters.heightHint = 150; sampleParameters.setLayoutData(gdSampleParameters); sampleParameters.enableEditing(viewModel.rbNumber.canSetText().getValue()); updateSampleParameters(); viewModel.model.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent arg0) { updateSampleParameters(); } }); new Label(composite, SWT.NONE); lblBeamlineParameters = new Label(composite, SWT.NONE); lblBeamlineParameters.setText("Beamline Parameters"); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); beamParameters = new ParametersTable(composite, SWT.NONE, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); GridData gdBeamParameters = new GridData(SWT.LEFT, SWT.FILL, true, true, 4, 1); gdBeamParameters.widthHint = 600; gdBeamParameters.minimumWidth = 600; gdBeamParameters.minimumHeight = 200; gdBeamParameters.heightHint = 200; beamParameters.setLayoutData(gdBeamParameters); beamParameters.enableEditing(viewModel.rbNumber.canSetText().getValue()); updateBeamParameters(); viewModel.model.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent arg0) { updateBeamParameters(); } }); bind(); } private void bind() { DataBindingContext bindingContext = new DataBindingContext(); bindingContext.bindValue(WidgetProperties.enabled().observe(btnRBLookup), BeanProperties.value("value").observe(viewModel.rbNumber.canSetText())); bindingContext.bindValue(WidgetProperties.enabled().observe(btnAddUserDetails), BeanProperties.value("value").observe(viewModel.rbNumber.canSetText())); bindingContext.bindValue(WidgetProperties.enabled().observe(btnClearUserDetails), BeanProperties.value("value").observe(viewModel.rbNumber.canSetText())); bindingContext.bindValue(WidgetProperties.enabled().observe(btnUpdateUserDetails), BeanProperties.value("value").observe(viewModel.rbNumber.canSetText())); viewModel.rbNumber.canSetText().addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent event) { boolean canSet = (boolean) event.getNewValue(); beamParameters.enableEditing(canSet); sampleParameters.enableEditing(canSet); } }); } private void updateUserDetails() { Display.getDefault().asyncExec(new Runnable() { @Override public void run() { userDetails.setRows(viewModel.model.getUserDetails()); } }); } protected void updateSampleParameters() { Display.getDefault().asyncExec(new Runnable() { @Override public void run() { sampleParameters.setRows(viewModel.model.getSampleParameters()); } }); } protected void updateBeamParameters() { Display.getDefault().asyncExec(new Runnable() { @Override public void run() { beamParameters.setRows(viewModel.model.getBeamParameters()); } }); } }