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/*******************************************************************************
* Copyright (c) 2007, 2010 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.jpa.ui.internal.dialogs;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper;
import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaTypeCompletionProcessor;
import org.eclipse.jdt.ui.IJavaElementSearchConstants;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.StatusDialog;
import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.jpt.common.core.internal.utility.jdt.JDTTools;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.jpa.core.JpaProject;
import org.eclipse.jpt.jpa.core.context.orm.EntityMappings;
import org.eclipse.jpt.jpa.core.context.orm.OrmPersistentType;
import org.eclipse.jpt.jpa.ui.JptJpaUiPlugin;
import org.eclipse.jpt.jpa.ui.details.MappingUiDefinition;
import org.eclipse.jpt.jpa.ui.internal.JptUiMessages;
import org.eclipse.jpt.jpa.ui.internal.details.orm.OrmEmbeddableUiDefinition;
import org.eclipse.jpt.jpa.ui.internal.details.orm.OrmEntityUiDefinition;
import org.eclipse.jpt.jpa.ui.internal.details.orm.OrmMappedSuperclassUiDefinition;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.SelectionDialog;
import org.eclipse.ui.progress.IProgressService;
public class AddPersistentClassDialog extends StatusDialog
{
private EntityMappings entityMappings;
private Text classText;
private Button classBrowseButton;
private ComboViewer mappingCombo;
private OrmPersistentType addedType;
public AddPersistentClassDialog(Shell parentShell, EntityMappings entityMappings) {
super(parentShell);
this.entityMappings = entityMappings;
setTitle(JptUiMessages.AddPersistentClassDialog_title);
}
@Override
protected Control createDialogArea(Composite parent) {
Composite dialogArea = (Composite) super.createDialogArea(parent);
Composite composite = new Composite(dialogArea, SWT.NULL);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
composite.setLayout(new GridLayout(3, false));
createLabel(composite, JptUiMessages.AddPersistentClassDialog_classLabel);
this.classText = createText(composite);
this.classText.addModifyListener(
new ModifyListener() {
public void modifyText(ModifyEvent e) {
validate();
}
}
);
this.classBrowseButton = createButton(composite, JptUiMessages.General_browse);
this.classBrowseButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
IType type = chooseType();
if (type != null) {
classText.setText(type.getFullyQualifiedName('$'));
}
}
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
});
createLabel(composite, JptUiMessages.AddPersistentClassDialog_mappingLabel);
this.mappingCombo = new ComboViewer(createCombo(composite, 2));
this.mappingCombo.setContentProvider(
new IStructuredContentProvider() {
public void dispose() {}
public Object[] getElements(Object inputElement) {
return new Object[] {
OrmMappedSuperclassUiDefinition.instance(),
OrmEntityUiDefinition.instance(),
OrmEmbeddableUiDefinition.instance()
};
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
});
this.mappingCombo.setLabelProvider(
new LabelProvider() {
@Override
public String getText(Object element) {
return ((MappingUiDefinition) element).getLabel();
}
});
this.mappingCombo.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
validate();
}
});
this.mappingCombo.setInput("FOO");
this.mappingCombo.getCombo().select(1); // select Entity to begin
// TODO - F1 Help
// PlatformUI.getWorkbench().getHelpSystem().setHelp(group, IDaliHelpContextIds.NEW_JPA_PROJECT_CONTENT_PAGE_DATABASE);
//getButton(IDialogConstants.OK_ID).setEnabled(false); // disabled to start
applyDialogFont(dialogArea);
validate();
return dialogArea;
}
private Label createLabel(Composite container, String text) {
Label label = new Label(container, SWT.NONE);
label.setText(text);
return label;
}
private Text createText(Composite container) {
// TODO bug 156185 - when this is fixed there should be api for this
JavaTypeCompletionProcessor javaTypeCompletionProcessor = new JavaTypeCompletionProcessor(false, false);
IPackageFragmentRoot pfr = getPackageFragmentRoot();
if (pfr != null) {
javaTypeCompletionProcessor.setPackageFragment(pfr.getPackageFragment(""));
}
Text text = new Text(container, SWT.BORDER | SWT.SINGLE);
ControlContentAssistHelper.createTextContentAssistant(
text,
javaTypeCompletionProcessor
);
text.setLayoutData(getFieldGridData());
return text;
}
protected GridData getFieldGridData() {
int margin = FieldDecorationRegistry.getDefault()
.getMaximumDecorationWidth();
GridData data = new GridData();
data.horizontalAlignment = SWT.FILL;
data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH + margin;
data.horizontalIndent = margin;
data.grabExcessHorizontalSpace = true;
return data;
}
protected IPackageFragmentRoot getPackageFragmentRoot() {
return JDTTools.getCodeCompletionContextRoot(getJpaProject().getJavaProject());
}
private Button createButton(Composite container, String text) {
Button button = new Button(container, SWT.NONE);
button.setText(text);
return button;
}
private Combo createCombo(Composite container, int span) {
Combo combo = new Combo(container, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
GridData gd = getFieldGridData();
gd.horizontalSpan = span;
combo.setLayoutData(gd);
return combo;
}
private JpaProject getJpaProject() {
return this.entityMappings.getJpaProject();
}
public String getClassName() {
return this.classText.getText();
}
public String getMappingKey() {
StructuredSelection selection = (StructuredSelection) this.mappingCombo.getSelection();
return (selection.isEmpty()) ? null : ((MappingUiDefinition) selection.getFirstElement()).getKey();
}
protected IType chooseType() {
IJavaElement[] elements= new IJavaElement[] { getJpaProject().getJavaProject() };
IJavaSearchScope scope= SearchEngine.createJavaSearchScope(elements);
IProgressService service = PlatformUI.getWorkbench().getProgressService();
SelectionDialog typeSelectionDialog;
try {
typeSelectionDialog =
JavaUI.createTypeDialog(
getShell(), service, scope,
IJavaElementSearchConstants.CONSIDER_CLASSES,
false, getClassName());
}
catch (JavaModelException e) {
JptJpaUiPlugin.log(e);
throw new RuntimeException(e);
}
typeSelectionDialog.setTitle(JptUiMessages.AddPersistentClassDialog_classDialog_title);
typeSelectionDialog.setMessage(JptUiMessages.AddPersistentClassDialog_classDialog_message);
if (typeSelectionDialog.open() == Window.OK) {
return (IType) typeSelectionDialog.getResult()[0];
}
return null;
}
private void validate() {
String className = getClassName();
if (StringTools.stringIsEmpty(className)) {
updateStatus(
new Status(
IStatus.ERROR, JptJpaUiPlugin.PLUGIN_ID,
JptUiMessages.AddPersistentClassDialog_noClassError));
return;
}
className = className.replace('$', '.');
IType type;
try {
type = getJpaProject().getJavaProject().findType(className);
}
catch (JavaModelException jme) {
type = null;
}
if (type == null) {
updateStatus(
new Status(
IStatus.WARNING, JptJpaUiPlugin.PLUGIN_ID,
JptUiMessages.AddPersistentClassDialog_classNotFoundWarning));
return;
}
if (this.entityMappings.containsPersistentType(className)) {
updateStatus(
new Status(
IStatus.WARNING, JptJpaUiPlugin.PLUGIN_ID,
JptUiMessages.AddPersistentClassDialog_duplicateClassWarning));
return;
}
String mappingKey = getMappingKey();
if (mappingKey == null) {
updateStatus(
new Status(
IStatus.ERROR, JptJpaUiPlugin.PLUGIN_ID,
JptUiMessages.AddPersistentClassDialog_noMappingKeyError));
return;
}
updateStatus(Status.OK_STATUS);
}
@Override
protected void okPressed() {
this.addedType = this.entityMappings.addPersistentType(getMappingKey(), getClassName());
super.okPressed();
}
public OrmPersistentType openAndReturnType() {
super.open();
return addedType;
}
}
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