| /******************************************************************************* |
| * 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.persistence.connection; |
| |
| import org.eclipse.jpt.eclipselink.core.internal.context.persistence.connection.Connection; |
| import org.eclipse.jpt.eclipselink.ui.internal.EclipseLinkUiMessages; |
| import org.eclipse.jpt.ui.internal.util.ControlEnabler; |
| import org.eclipse.jpt.ui.internal.util.LabeledControlUpdater; |
| import org.eclipse.jpt.ui.internal.util.LabeledLabel; |
| import org.eclipse.jpt.ui.internal.widgets.Pane; |
| import org.eclipse.jpt.ui.internal.widgets.TriStateCheckBox; |
| 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; |
| |
| /** |
| * CacheStatementsPropertiesComposite |
| */ |
| @SuppressWarnings("nls") |
| public class CacheStatementsPropertiesComposite extends Pane<Connection> |
| { |
| public CacheStatementsPropertiesComposite(Pane<Connection> parentComposite, Composite parent) { |
| |
| super(parentComposite, parent); |
| } |
| |
| private WritablePropertyValueModel<Boolean> buildCacheStatementsHolder() { |
| return new PropertyAspectAdapter<Connection, Boolean>(getSubjectHolder(), Connection.CACHE_STATEMENTS_PROPERTY) { |
| @Override |
| protected Boolean buildValue_() { |
| return subject.getCacheStatements(); |
| } |
| |
| @Override |
| protected void setValue_(Boolean value) { |
| subject.setCacheStatements(value); |
| } |
| |
| @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(Boolean.TRUE, newValue); |
| } |
| } |
| }; |
| } |
| |
| private WritablePropertyValueModel<Integer> buildCacheStatementsSizeHolder() { |
| return new PropertyAspectAdapter<Connection, Integer>(getSubjectHolder(), Connection.CACHE_STATEMENTS_SIZE_PROPERTY) { |
| @Override |
| protected Integer buildValue_() { |
| Integer value = subject.getCacheStatementsSize(); |
| |
| if (value == null) { |
| value = -1; |
| } |
| return value; |
| } |
| |
| @Override |
| protected void setValue_(Integer value) { |
| if (value == -1) { |
| value = null; |
| } |
| subject.setCacheStatementsSize(value); |
| } |
| }; |
| } |
| |
| private PropertyValueModel<Integer> buildDefaultCacheStatementsSizeHolder() { |
| return new PropertyAspectAdapter<Connection, Integer>(getSubjectHolder(), "") { |
| @Override |
| protected Integer buildValue_() { |
| return subject.getDefaultCacheStatementsSize(); |
| } |
| |
| @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 Label addDefaultCacheStatementsSizeLabel(Composite container) { |
| |
| Label label = addUnmanagedLabel( |
| container, |
| EclipseLinkUiMessages.DefaultWithoutValue |
| ); |
| |
| new LabeledControlUpdater( |
| new LabeledLabel(label), |
| buildDefaultCacheStatementsSizeLabelHolder() |
| ); |
| |
| return label; |
| } |
| |
| private PropertyValueModel<String> buildDefaultCacheStatementsSizeLabelHolder() { |
| |
| return new TransformationPropertyValueModel<Integer, String>(buildDefaultCacheStatementsSizeHolder()) { |
| |
| @Override |
| protected String transform(Integer value) { |
| |
| if (value != null) { |
| return NLS.bind(EclipseLinkUiMessages.DefaultWithValue, value); |
| } |
| |
| return ""; |
| } |
| }; |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| WritablePropertyValueModel<Boolean> cacheStatementsHolder = buildCacheStatementsHolder(); |
| |
| TriStateCheckBox checkBox = this.addTriStateCheckBox( |
| container, |
| EclipseLinkUiMessages.PersistenceXmlConnectionTab_cacheStatementsLabel, |
| cacheStatementsHolder, |
| null |
| ); |
| |
| Spinner spinner = this.addUnmanagedSpinner( |
| container, |
| this.buildCacheStatementsSizeHolder(), |
| -1, |
| -1, |
| Integer.MAX_VALUE, |
| null |
| ); |
| |
| Label label = this.addDefaultCacheStatementsSizeLabel(container); |
| |
| this.addLabeledComposite( |
| container, |
| checkBox.getCheckBox(), |
| (spinner.getParent() == container) ? spinner : spinner.getParent(), |
| label, |
| null |
| // EclipseLinkHelpContextIds. |
| ); |
| |
| this.installControlEnabler(cacheStatementsHolder, label, spinner); |
| this.updateGridData(container, spinner); |
| } |
| |
| private void installControlEnabler(WritablePropertyValueModel<Boolean> cacheStatementsHolder, |
| Label label, |
| Spinner spinner) { |
| |
| new ControlEnabler(cacheStatementsHolder, label, 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]); |
| } |
| } |