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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 SAP AG.
* 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:
* Stefan Dimov - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.dialog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaConventions;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.ui.IJavaElementSearchConstants;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.bindings.keys.KeyStroke;
import org.eclipse.jface.bindings.keys.ParseException;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.fieldassist.SimpleContentProposalProvider;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.JPADiagramEditorPlugin;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.i18n.JPAEditorMessages;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants;
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.graphics.Point;
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.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.forms.IMessage;
import org.eclipse.ui.progress.IProgressService;
@SuppressWarnings("restriction")
public class SelectTypeDialog extends TitleAreaDialog {
protected String title;
protected String message;
protected Label label;
protected Text text;
protected String type;
protected Button browseButton;
protected ContentProposalAdapter contentProposalAdapter;
protected static KeyStroke ks = null;
static {
try {
ks = KeyStroke.getInstance("Ctrl+Space"); //$NON-NLS-1$
} catch (ParseException e1) {
JPADiagramEditorPlugin.logError("Can't create keystroke object", e1); //$NON-NLS-1$
}
}
public SelectTypeDialog(String message,
String initialType) {
super(PlatformUI.getWorkbench().getDisplay().getActiveShell());
this.title = JPAEditorMessages.SelectTypeDialog_chooseAttributeTypeDialogTitle;
this.message = message;
this.type = initialType;
}
protected Control createContents(Composite parent) {
Control contents = super.createContents(parent);
initializeControls();
validatePage();
return contents;
}
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText(JPAEditorMessages.SelectTypeDialog_chooseAttributeTypeDialogWindowTitle);
}
protected Point getInitialSize() {
return new Point(convertHorizontalDLUsToPixels(320),
convertVerticalDLUsToPixels(120));
}
public String getTypeName() {
return type;
}
protected void buttonPressed(int buttonId) {
type = text.getText().trim();
super.buttonPressed(buttonId);
}
protected boolean isResizable() {
return true;
}
private void createLabel(Composite composite) {
label = new Label(composite, SWT.LEFT);
label.setText(JPAEditorMessages.SelectTypeDialog_typeLabel);
}
private void createTextField(Composite composite) {
text = new Text(composite, SWT.SINGLE | SWT.BORDER);
}
private void createBrowseBtn(Composite composite) {
browseButton = new Button(composite, SWT.PUSH);
browseButton.setText(JPAEditorMessages.SelectTypeDialog_browseBtnTxt);
browseButton.setToolTipText(JPAEditorMessages.SelectTypeDialog_browseBtnDesc);
browseButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
IProgressService service = PlatformUI.getWorkbench().getProgressService();
SelectionDialog d = null;
try {
d = JavaUI.createTypeDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell(),
service,
scope,
IJavaElementSearchConstants.CONSIDER_ALL_TYPES,
false,
text.getText().trim());
} catch (JavaModelException e1) {
JPADiagramEditorPlugin.logError("Can't create type selaction dialog instance", e1); //$NON-NLS-1$
}
d.open();
Object[] res = d.getResult();
if (res == null)
return;
Object[] obj = d.getResult();
if (obj == null)
return;
IType tp = (IType) obj[0];
text.setText(tp.getFullyQualifiedName());
text.setSelection(0, tp.getFullyQualifiedName().length());
}
public void widgetDefaultSelected(SelectionEvent e) {}
});
}
private IContentProposalProvider createContentProposalProvider() {
SimpleContentProposalProvider contProvider = new SimpleContentProposalProvider(JPAEditorConstants.PRIMITIVE_TYPES_AND_WRAPPERS);
contProvider.setFiltering(true);
contentProposalAdapter = new ContentProposalAdapter(
text,
new TextContentAdapter(),
contProvider,
ks,
new char[] {'b', 'c', 'd', 'i', 'f', 'l', 's', 'j', 'B', 'C', 'D', 'I', 'F', 'L', 'S', 'J'});
contentProposalAdapter.setEnabled(true);
contentProposalAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
return contProvider;
}
@Override
public Control createDialogArea(Composite parent) {
Composite parentComposite = (Composite) super.createDialogArea(parent);
GridLayout rowLayout = new GridLayout(3, false);
Composite composite = new Composite(parentComposite, SWT.NONE);
GridData d = new GridData(GridData.FILL_BOTH);
d.grabExcessHorizontalSpace = true;
d.heightHint = 400;
composite.setLayoutData(d);
rowLayout.marginLeft = 5;
rowLayout.marginTop = 5;
rowLayout.marginRight = 5;
rowLayout.marginBottom = 30;
composite.setLayout(rowLayout);
createLabel(composite);
GridData data = new GridData(40,20);
data.verticalAlignment = SWT.CENTER;
data.horizontalAlignment = SWT.BEGINNING;
label.setLayoutData(data);
createTextField(composite);
data = new GridData(300, 17);
data.horizontalAlignment = SWT.FILL;
data.grabExcessHorizontalSpace = true;
data.verticalAlignment = SWT.CENTER;
text.setLayoutData(data);
text.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
setDialogComplete(validatePage());
}
});
createBrowseBtn(composite);
data = new GridData(100, 25);
data.verticalAlignment = SWT.TOP;
data.horizontalAlignment = SWT.LEFT;
data.minimumWidth = 80;
browseButton.setLayoutData(data);
createContentProposalProvider();
return parentComposite;
}
private void initializeControls() {
setTitle(title);
setMessage(message);
text.setText(type);
text.setSelection(0, type.length());
setDialogComplete(validatePage());
}
protected void setDialogComplete(boolean value) {
this.getButton(IDialogConstants.OK_ID).setEnabled(value);
}
private boolean validatePage() {
String type = text.getText().trim();
if (StringTools.isBlank(type)) {
setErrorMessage(JPAEditorMessages.SelectTypeDialog_emptyTypeErrorText);
return false;
}
IStatus stat = getStatus();
if (stat.isOK()) {
setErrorMessage(null);
setMessage(message, IMessage.NONE);
} else {
setMessage(stat.getMessage(), IMessage.ERROR);
}
return (stat.getSeverity() != IStatus.ERROR);
}
private IStatus getStatus() {
String type = text.getText().trim();
String[] types = type.split("[<>\\[\\],]"); //$NON-NLS-1$
for (int i = 0; i < types.length; i++) {
type = types[i].trim();
IStatus stat = JavaConventions.validateJavaTypeName(type, JavaCore.VERSION_1_6, JavaCore.VERSION_1_6);
boolean isPrimitive = JPAEditorConstants.PRIMITIVE_TYPES_AND_WRAPPERS_SET.contains(type);
if (isPrimitive || (stat.getSeverity() != IStatus.ERROR))
continue;
return stat;
}
return Status.OK_STATUS;
}
}
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