| /******************************************************************************* |
| * Copyright (c) 2008 Oracle. 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: |
| * Oracle - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.eclipselink.ui.internal.connection; |
| |
| import org.eclipse.jpt.eclipselink.core.internal.context.connection.Connection; |
| import org.eclipse.jpt.eclipselink.ui.internal.EclipseLinkUiMessages; |
| import org.eclipse.jpt.ui.internal.util.LabeledControlUpdater; |
| import org.eclipse.jpt.ui.internal.util.LabeledLabel; |
| import org.eclipse.jpt.ui.internal.widgets.AbstractPane; |
| import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter; |
| import org.eclipse.jpt.utility.internal.model.value.TransformationPropertyValueModel; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Spinner; |
| |
| /** |
| * JdbcWriteConnectionsMaxComposite |
| */ |
| @SuppressWarnings("nls") |
| public class JdbcWriteConnectionsMaxComposite extends AbstractPane<Connection> |
| { |
| /** |
| * Creates a new <code>JdbcWriteConnectionsMaxComposite</code>. |
| * |
| * @param parentController |
| * The parent container of this one |
| * @param parent |
| * The parent container |
| */ |
| public JdbcWriteConnectionsMaxComposite(AbstractPane<Connection> parentComposite, |
| Composite parent) { |
| |
| super(parentComposite, parent); |
| } |
| |
| private WritablePropertyValueModel<Integer> buildWriteConnectionsMaxHolder() { |
| return new PropertyAspectAdapter<Connection, Integer>(getSubjectHolder(), Connection.WRITE_CONNECTIONS_MAX_PROPERTY) { |
| @Override |
| protected Integer buildValue_() { |
| Integer value = subject.getWriteConnectionsMax(); |
| |
| if (value == null) { |
| value = -1; |
| } |
| return value; |
| } |
| |
| @Override |
| protected void setValue_(Integer value) { |
| if (value == -1) { |
| value = null; |
| } |
| subject.setWriteConnectionsMax(value); |
| } |
| }; |
| } |
| |
| private PropertyValueModel<Integer> buildDefaultWriteConnectionsMaxHolder() { |
| return new PropertyAspectAdapter<Connection, Integer>(getSubjectHolder(), "") { |
| @Override |
| protected Integer buildValue_() { |
| return subject.getDefaultWriteConnectionsMax(); |
| } |
| |
| @Override |
| protected void subjectChanged() { |
| Object oldValue = this.getValue(); |
| super.subjectChanged(); |
| Object newValue = this.getValue(); |
| |
| // Make sure the default value is appended to the text |
| if (oldValue == newValue && newValue == null) { |
| this.fireAspectChange(Integer.MIN_VALUE, newValue); |
| } |
| } |
| }; |
| } |
| |
| private Control buildDefaultWriteConnectionsMaxLabel(Composite container) { |
| |
| Label label = buildLabel( |
| container, |
| EclipseLinkUiMessages.DefaultWithoutValue |
| ); |
| |
| new LabeledControlUpdater( |
| new LabeledLabel(label), |
| buildDefaultWriteConnectionsMaxLabelHolder() |
| ); |
| |
| return label; |
| } |
| |
| private PropertyValueModel<String> buildDefaultWriteConnectionsMaxLabelHolder() { |
| |
| return new TransformationPropertyValueModel<Integer, String>(buildDefaultWriteConnectionsMaxHolder()) { |
| |
| @Override |
| protected String transform(Integer value) { |
| |
| if (value != null) { |
| return NLS.bind(EclipseLinkUiMessages.DefaultWithValue, value); |
| } |
| |
| return ""; |
| } |
| }; |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| Spinner spinner = this.buildLabeledSpinner( |
| container, |
| EclipseLinkUiMessages.PersistenceXmlConnectionTab_writeConnectionsMaxLabel, |
| this.buildWriteConnectionsMaxHolder(), |
| -1, |
| -1, |
| Integer.MAX_VALUE, |
| this.buildDefaultWriteConnectionsMaxLabel(container) |
| ); |
| |
| updateGridData(container, spinner); |
| } |
| |
| /** |
| * Changes the layout of the given container by changing which widget will |
| * grab the excess of horizontal space. By default, the center control grabs |
| * the excess space, we change it to be the right control. |
| * |
| * @param container The container containing the controls needing their |
| * <code>GridData</code> to be modified from the default values |
| * @param spinner The spinner that got created |
| */ |
| private void updateGridData(Composite container, Spinner spinner) { |
| |
| // It is possible the spinner's parent is not the container of the |
| // label, spinner and right control (a pane is sometimes required for |
| // painting the spinner's border) |
| Composite paneContainer = spinner.getParent(); |
| |
| while (container != paneContainer.getParent()) { |
| paneContainer = paneContainer.getParent(); |
| } |
| |
| Control[] controls = paneContainer.getChildren(); |
| |
| GridData gridData = new GridData(); |
| gridData.grabExcessHorizontalSpace = false; |
| gridData.horizontalAlignment = GridData.BEGINNING; |
| controls[1].setLayoutData(gridData); |
| |
| controls[2].setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| removeAlignRight(controls[2]); |
| } |
| } |