| /******************************************************************************* |
| * 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.mappings.details; |
| |
| import org.eclipse.jpt.eclipselink.core.context.Caching; |
| import org.eclipse.jpt.eclipselink.ui.internal.mappings.EclipseLinkUiMappingsMessages; |
| import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages; |
| import org.eclipse.jpt.ui.internal.util.LabeledControlUpdater; |
| import org.eclipse.jpt.ui.internal.util.LabeledLabel; |
| import org.eclipse.jpt.ui.internal.widgets.FormPane; |
| 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; |
| |
| /** |
| * Here is the layout of this pane: |
| * <pre> |
| * ---------------------------------------------------------------------------- |
| * | --------------- | |
| * | Size: | I |I| Default (XXX) | |
| * | --------------- | |
| * ----------------------------------------------------------------------------</pre> |
| * |
| * @see EclipseLinkCaching |
| * @see CachingComposite - A container of this widget |
| * |
| * @version 2.1 |
| * @since 2.1 |
| */ |
| public class CacheSizeComposite extends FormPane<Caching> { |
| |
| /** |
| * Creates a new <code>CacheSizeComposite</code>. |
| * |
| * @param parentPane The parent container of this one |
| * @param parent The parent container |
| */ |
| public CacheSizeComposite(FormPane<? extends Caching> parentPane, |
| Composite parent) { |
| |
| super(parentPane, parent); |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| // Size widgets |
| Spinner sizeSpinner = addLabeledSpinner( |
| container, |
| EclipseLinkUiMappingsMessages.CacheSizeComposite_size, |
| buildSizeHolder(), |
| -1, |
| -1, |
| Integer.MAX_VALUE, |
| addDefaultSizeLabel(container), |
| null//TODO JpaHelpContextIds.MAPPING_COLUMN_LENGTH |
| ); |
| |
| updateGridData(container, sizeSpinner); |
| } |
| |
| private WritablePropertyValueModel<Integer> buildSizeHolder() { |
| return new PropertyAspectAdapter<Caching, Integer>(getSubjectHolder(), Caching.SPECIFIED_SIZE_PROPERTY) { |
| @Override |
| protected Integer buildValue_() { |
| return subject.getSpecifiedSize(); |
| } |
| |
| @Override |
| protected void setValue_(Integer value) { |
| if (value == -1) { |
| value = null; |
| } |
| subject.setSpecifiedSize(value); |
| } |
| }; |
| } |
| |
| private WritablePropertyValueModel<Integer> buildDefaultSizeHolder() { |
| return new PropertyAspectAdapter<Caching, Integer>(getSubjectHolder(), Caching.DEFAULT_SIZE_PROPERTY) { |
| @Override |
| protected Integer buildValue_() { |
| return subject.getDefaultSize(); |
| } |
| |
| @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 addDefaultSizeLabel(Composite container) { |
| |
| Label label = addLabel( |
| container, |
| JptUiMappingsMessages.DefaultEmpty |
| ); |
| |
| new LabeledControlUpdater( |
| new LabeledLabel(label), |
| buildDefaultSizeLabelHolder() |
| ); |
| |
| return label; |
| } |
| |
| private PropertyValueModel<String> buildDefaultSizeLabelHolder() { |
| |
| return new TransformationPropertyValueModel<Integer, String>(buildDefaultSizeHolder()) { |
| |
| @Override |
| protected String transform(Integer value) { |
| |
| Integer defaultValue = (getSubject() != null) ? getSubject().getDefaultSize() : |
| Caching.DEFAULT_SIZE; |
| |
| return NLS.bind( |
| JptUiMappingsMessages.DefaultWithOneParam, |
| defaultValue |
| ); |
| } |
| }; |
| } |
| |
| /** |
| * 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]); |
| } |
| } |