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NewTypeWizardPage.java
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NewTypeWizardPage.java
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/*******************************************************************************
* Copyright (c) 2000, 2023 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* John Kaplan, johnkaplantech@gmail.com - 108071 [code templates] template for body of newly created class
* Microsoft Corporation - [templates][content assist] - Extract the UI related code - https://bugs.eclipse.org/549989
*******************************************************************************/
package org.eclipse.jdt.ui.wizards;
import java.lang.reflect.InvocationTargetException;
import java.math.BigDecimal;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.equinox.bidi.StructuredTextTypeHandlerFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
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.Item;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Text;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.text.edits.TextEdit;
import org.eclipse.jface.contentassist.SubjectControlContentAssistant;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.util.BidiUtils;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.templates.Template;
import org.eclipse.jface.text.templates.TemplateException;
import org.eclipse.ui.contentassist.ContentAssistHandler;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.jdt.core.Flags;
import org.eclipse.jdt.core.IBuffer;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IModuleDescription;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.ISourceRange;
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.Signature;
import org.eclipse.jdt.core.ToolFactory;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.core.compiler.IScanner;
import org.eclipse.jdt.core.compiler.ITerminalSymbols;
import org.eclipse.jdt.core.compiler.InvalidInputException;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.ASTParser;
import org.eclipse.jdt.core.dom.AbstractTypeDeclaration;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jdt.core.dom.ImportDeclaration;
import org.eclipse.jdt.core.dom.ParameterizedType;
import org.eclipse.jdt.core.dom.Type;
import org.eclipse.jdt.core.dom.TypeDeclaration;
import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite.ImportRewriteContext;
import org.eclipse.jdt.core.formatter.CodeFormatter;
import org.eclipse.jdt.core.manipulation.CodeGeneration;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.internal.core.manipulation.StubUtility;
import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels;
import org.eclipse.jdt.internal.core.manipulation.util.Strings;
import org.eclipse.jdt.internal.corext.codemanipulation.AddUnimplementedConstructorsOperation;
import org.eclipse.jdt.internal.corext.codemanipulation.AddUnimplementedMethodsOperation;
import org.eclipse.jdt.internal.corext.codemanipulation.CodeGenerationSettings;
import org.eclipse.jdt.internal.corext.codemanipulation.ContextSensitiveImportRewriteContext;
import org.eclipse.jdt.internal.corext.dom.ASTNodes;
import org.eclipse.jdt.internal.corext.dom.IASTSharedValues;
import org.eclipse.jdt.internal.corext.dom.TokenScanner;
import org.eclipse.jdt.internal.corext.refactoring.StubTypeContext;
import org.eclipse.jdt.internal.corext.refactoring.TypeContextChecker;
import org.eclipse.jdt.internal.corext.refactoring.structure.ASTNodeSearchUtil;
import org.eclipse.jdt.internal.corext.refactoring.structure.CompilationUnitRewrite;
import org.eclipse.jdt.internal.corext.template.java.TemplateUtils;
import org.eclipse.jdt.internal.corext.util.CodeFormatterUtil;
import org.eclipse.jdt.internal.corext.util.JavaConventionsUtil;
import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
import org.eclipse.jdt.internal.corext.util.Messages;
import org.eclipse.jdt.internal.corext.util.Resources;
import org.eclipse.jdt.ui.JavaElementLabelProvider;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.JavaPluginImages;
import org.eclipse.jdt.internal.ui.dialogs.FilteredTypesSelectionDialog;
import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.jdt.internal.ui.dialogs.TableTextCellEditor;
import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
import org.eclipse.jdt.internal.ui.preferences.CodeTemplatePreferencePage;
import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings;
import org.eclipse.jdt.internal.ui.preferences.formatter.FormatterProfileManager;
import org.eclipse.jdt.internal.ui.refactoring.contentassist.CompletionContextRequestor;
import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper;
import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaPackageCompletionProcessor;
import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaTypeCompletionProcessor;
import org.eclipse.jdt.internal.ui.util.Progress;
import org.eclipse.jdt.internal.ui.util.SWTUtil;
import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.jdt.internal.ui.wizards.SuperInterfaceSelectionDialog;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogFieldGroup;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.Separator;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonStatusDialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField;
/**
* The class <code>NewTypeWizardPage</code> contains controls and validation routines
* for a 'New Type WizardPage'. Implementors decide which components to add and to enable.
* Implementors can also customize the validation code. <code>NewTypeWizardPage</code>
* is intended to serve as base class of all wizards that create types like applets, servlets, classes,
* interfaces, etc.
* <p>
* See {@link NewClassWizardPage} or {@link NewInterfaceWizardPage} for an
* example usage of the <code>NewTypeWizardPage</code>.
* </p>
*
* @see org.eclipse.jdt.ui.wizards.NewClassWizardPage
* @see org.eclipse.jdt.ui.wizards.NewInterfaceWizardPage
* @see org.eclipse.jdt.ui.wizards.NewEnumWizardPage
* @see org.eclipse.jdt.ui.wizards.NewAnnotationWizardPage
*
* @since 2.0
*/
public abstract class NewTypeWizardPage extends NewContainerWizardPage {
private static final Pattern NUM_PATTERN= Pattern.compile("[0-9]+$"); //$NON-NLS-1$
/**
* Class used in stub creation routines to add needed imports to a
* compilation unit.
*/
public static class ImportsManager {
private final CompilationUnit fAstRoot;
private final ImportRewrite fImportsRewrite;
/* package */ ImportsManager(CompilationUnit astRoot) {
fAstRoot= astRoot;
fImportsRewrite= StubUtility.createImportRewrite(astRoot, true);
}
/* package */ ICompilationUnit getCompilationUnit() {
return fImportsRewrite.getCompilationUnit();
}
/**
* Adds a new import declaration that is sorted in the existing imports.
* If an import already exists or the import would conflict with an import
* of an other type with the same simple name, the import is not added.
*
* @param qualifiedTypeName The fully qualified name of the type to import
* (dot separated).
* @return Returns the simple type name that can be used in the code or the
* fully qualified type name if an import conflict prevented the import.
*/
public String addImport(String qualifiedTypeName) {
return fImportsRewrite.addImport(qualifiedTypeName);
}
/**
* Adds a new import declaration that is sorted in the existing imports.
* If an import already exists or the import would conflict with an import
* of an other type with the same simple name, the import is not added.
*
* @param qualifiedTypeName The fully qualified name of the type to import
* (dot separated).
* @param insertPosition the offset where the import will be used
* @return Returns the simple type name that can be used in the code or the
* fully qualified type name if an import conflict prevented the import.
*
* @since 3.8
*/
public String addImport(String qualifiedTypeName, int insertPosition) {
ImportRewriteContext context= new ContextSensitiveImportRewriteContext(fAstRoot, insertPosition, fImportsRewrite);
return fImportsRewrite.addImport(qualifiedTypeName, context);
}
/**
* Adds a new import declaration that is sorted in the existing imports.
* If an import already exists or the import would conflict with an import
* of an other type with the same simple name, the import is not added.
*
* @param typeBinding the binding of the type to import
*
* @return Returns the simple type name that can be used in the code or the
* fully qualified type name if an import conflict prevented the import.
*/
public String addImport(ITypeBinding typeBinding) {
return fImportsRewrite.addImport(typeBinding);
}
/**
* Adds a new import declaration that is sorted in the existing imports.
* If an import already exists or the import would conflict with an import
* of an other type with the same simple name, the import is not added.
*
* @param typeBinding the binding of the type to import
* @param insertPosition the offset where the import will be used
*
* @return Returns the simple type name that can be used in the code or the
* fully qualified type name if an import conflict prevented the import.
*
* @since 3.8
*/
public String addImport(ITypeBinding typeBinding, int insertPosition) {
ImportRewriteContext context= new ContextSensitiveImportRewriteContext(fAstRoot, insertPosition, fImportsRewrite);
return fImportsRewrite.addImport(typeBinding, context);
}
/**
* Adds a new import declaration for a static type that is sorted in the existing imports.
* If an import already exists or the import would conflict with an import
* of an other static import with the same simple name, the import is not added.
*
* @param declaringTypeName The qualified name of the static's member declaring type
* @param simpleName the simple name of the member; either a field or a method name.
* @param isField <code>true</code> specifies that the member is a field, <code>false</code> if it is a
* method.
* @return returns either the simple member name if the import was successful or else the qualified name if
* an import conflict prevented the import.
*
* @since 3.2
*/
public String addStaticImport(String declaringTypeName, String simpleName, boolean isField) {
return fImportsRewrite.addStaticImport(declaringTypeName, simpleName, isField);
}
/* package */ void create(boolean needsSave, IProgressMonitor monitor) throws CoreException {
TextEdit edit= fImportsRewrite.rewriteImports(monitor);
JavaModelUtil.applyEdit(fImportsRewrite.getCompilationUnit(), edit, needsSave, null);
}
/* package */ void removeImport(String qualifiedName) {
fImportsRewrite.removeImport(qualifiedName);
}
/* package */ void removeStaticImport(String qualifiedName) {
fImportsRewrite.removeStaticImport(qualifiedName);
}
}
/** Public access flag. See The Java Virtual Machine Specification for more details. */
public int F_PUBLIC = Flags.AccPublic;
/** Private access flag. See The Java Virtual Machine Specification for more details. */
public int F_PRIVATE = Flags.AccPrivate;
/** Protected access flag. See The Java Virtual Machine Specification for more details. */
public int F_PROTECTED = Flags.AccProtected;
/** Static access flag. See The Java Virtual Machine Specification for more details. */
public int F_STATIC = Flags.AccStatic;
/** Final access flag. See The Java Virtual Machine Specification for more details. */
public int F_FINAL = Flags.AccFinal;
/** Abstract property flag. See The Java Virtual Machine Specification for more details. */
public int F_ABSTRACT = Flags.AccAbstract;
/** Non-Sealed access Flag. */
private int F_NON_SEALED = Flags.AccNonSealed;
/** Sealed access Flag. */
private int F_SEALED = Flags.AccSealed;
private final static String PAGE_NAME= "NewTypeWizardPage"; //$NON-NLS-1$
/** Field ID of the package input field. */
protected final static String PACKAGE= PAGE_NAME + ".package"; //$NON-NLS-1$
/** Field ID of the enclosing type input field. */
protected final static String ENCLOSING= PAGE_NAME + ".enclosing"; //$NON-NLS-1$
/** Field ID of the enclosing type checkbox. */
protected final static String ENCLOSINGSELECTION= ENCLOSING + ".selection"; //$NON-NLS-1$
/** Field ID of the type name input field. */
protected final static String TYPENAME= PAGE_NAME + ".typename"; //$NON-NLS-1$
/** Field ID of the super type input field. */
protected final static String SUPER= PAGE_NAME + ".superclass"; //$NON-NLS-1$
/** Field ID of the super interfaces input field. */
protected final static String INTERFACES= PAGE_NAME + ".interfaces"; //$NON-NLS-1$
/** Field ID of the modifier check boxes. */
protected final static String MODIFIERS= PAGE_NAME + ".modifiers"; //$NON-NLS-1$
/** Field ID of the modifier check boxes.
* @since 3.25*/
protected final static String SEALEDMODIFIERS= PAGE_NAME + ".sealedmodifiers"; //$NON-NLS-1$
/** Field ID of the method stubs check boxes. */
protected final static String METHODS= PAGE_NAME + ".methods"; //$NON-NLS-1$
private static class InterfaceWrapper {
private String interfaceName;
private IType type;
public InterfaceWrapper(String interfaceName) {
this(interfaceName, null);
}
public InterfaceWrapper(String interfaceName, IType type) {
this.interfaceName= interfaceName;
this.type= type;
}
@Override
public int hashCode() {
int hashCode= interfaceName.hashCode();
if (type != null) {
hashCode &= type.hashCode();
}
return hashCode;
}
@Override
public boolean equals(Object obj) {
return obj != null && getClass().equals(obj.getClass()) && ((InterfaceWrapper) obj).interfaceName.equals(interfaceName) && ((InterfaceWrapper) obj).type == type ;
}
public void setInterfaceName(String newName, IType type) {
this.type= type;
this.interfaceName= newName;
}
public String getInterfaceName() {
return this.interfaceName;
}
public IType getType() {
return this.type;
}
}
private static class InterfacesListLabelProvider extends LabelProvider {
private Image fInterfaceImage;
public InterfacesListLabelProvider() {
fInterfaceImage= JavaPluginImages.get(JavaPluginImages.IMG_OBJS_INTERFACE);
}
@Override
public String getText(Object element) {
return BasicElementLabels.getJavaElementName(((InterfaceWrapper) element).getInterfaceName());
}
@Override
public Image getImage(Object element) {
return fInterfaceImage;
}
}
private StringButtonStatusDialogField fPackageDialogField;
private SelectionButtonDialogField fEnclosingTypeSelection;
private StringButtonDialogField fEnclosingTypeDialogField;
private boolean fCanModifyPackage;
private boolean fCanModifyEnclosingType;
private IPackageFragment fCurrPackage;
private IType fCurrEnclosingType;
/**
* a handle to the type to be created (does usually not exist, can be null)
*/
private IType fCurrType;
private IType fSuperClass;
private StringDialogField fTypeNameDialogField;
private StringButtonDialogField fSuperClassDialogField;
private ListDialogField<InterfaceWrapper> fSuperInterfacesDialogField;
private SelectionButtonDialogFieldGroup fAccMdfButtons;
private SelectionButtonDialogFieldGroup fOtherMdfButtons;
private SelectionButtonDialogFieldGroup fSealedMdfButtons;
private boolean fIsSealedSupported;
private boolean fResetSuperClass= true;
/**
* @noreference This field is not intended to be referenced by clients.
*/
protected SelectionButtonDialogField fAddCommentButton;
private boolean fUseAddCommentButtonValue; // used for compatibility: Wizards that don't show the comment button control
// will use the preferences settings
private IType fCreatedType;
private ITypeBinding fCreatedTypeBinding;
private JavaPackageCompletionProcessor fCurrPackageCompletionProcessor;
private JavaTypeCompletionProcessor fEnclosingTypeCompletionProcessor;
private StubTypeContext fSuperClassStubTypeContext;
private StubTypeContext fSuperInterfaceStubTypeContext;
protected IStatus fEnclosingTypeStatus;
protected IStatus fPackageStatus;
protected IStatus fTypeNameStatus;
protected IStatus fSuperClassStatus;
protected IStatus fModifierStatus;
protected IStatus fSuperInterfacesStatus;
/**
* @since 3.25
*/
protected IStatus fSealedModifierStatus;
/**
* @since 3.25
*/
protected IStatus fSealedSuperClassStatus;
/**
* @since 3.25
*/
protected IStatus fSealedSuperInterfacesStatus;
private TypeFieldsAdapter fTypeFieldAdapter;
private static final int PUBLIC_INDEX= 0, DEFAULT_INDEX= 1, PRIVATE_INDEX= 2, PROTECTED_INDEX= 3;
private static final int ABSTRACT_INDEX= 0, FINAL_INDEX= 1, STATIC_INDEX= 2, ENUM_ANNOT_STATIC_INDEX= 1;
private static final int SEALED_FINAL_INDEX= 3, SEALED_INDEX= 1, NON_SEALED_INDEX= 2;
private int fTypeKind;
/**
* Constant to signal that the created type is a class.
* @since 3.1
*/
public static final int CLASS_TYPE = 1;
/**
* Constant to signal that the created type is a interface.
* @since 3.1
*/
public static final int INTERFACE_TYPE = 2;
/**
* Constant to signal that the created type is an enum.
* @since 3.1
*/
public static final int ENUM_TYPE = 3;
/**
* Constant to signal that the created type is an annotation.
* @since 3.1
*/
public static final int ANNOTATION_TYPE = 4;
/**
* Constant to signal that the created type is an record.
* @since 3.21
* @noreference This field is not intended to be referenced by clients.
*/
public static final int RECORD_TYPE = 5;
/**
* Creates a new <code>NewTypeWizardPage</code>.
*
* @param isClass <code>true</code> if a new class is to be created; otherwise
* an interface is to be created
* @param pageName the wizard page's name
*/
public NewTypeWizardPage(boolean isClass, String pageName) {
this(isClass ? CLASS_TYPE : INTERFACE_TYPE, pageName);
}
/**
* Creates a new <code>NewTypeWizardPage</code>.
*
* @param typeKind Signals the kind of the type to be created. Valid kinds are
* {@link #CLASS_TYPE}, {@link #INTERFACE_TYPE}, {@link #ENUM_TYPE} and {@link #ANNOTATION_TYPE}
* @param pageName the wizard page's name
* @since 3.1
*/
public NewTypeWizardPage(int typeKind, String pageName) {
super(pageName);
fTypeKind= typeKind;
fCreatedType= null;
fTypeFieldAdapter= new TypeFieldsAdapter();
fPackageDialogField= new StringButtonStatusDialogField(fTypeFieldAdapter);
fPackageDialogField.setDialogFieldListener(fTypeFieldAdapter);
fPackageDialogField.setLabelText(getPackageLabel());
fPackageDialogField.setButtonLabel(NewWizardMessages.NewTypeWizardPage_package_button);
fPackageDialogField.setStatusWidthHint(NewWizardMessages.NewTypeWizardPage_default);
fEnclosingTypeSelection= new SelectionButtonDialogField(SWT.CHECK);
fEnclosingTypeSelection.setDialogFieldListener(fTypeFieldAdapter);
fEnclosingTypeSelection.setLabelText(getEnclosingTypeLabel());
fEnclosingTypeDialogField= new StringButtonDialogField(fTypeFieldAdapter);
fEnclosingTypeDialogField.setDialogFieldListener(fTypeFieldAdapter);
fEnclosingTypeDialogField.setButtonLabel(NewWizardMessages.NewTypeWizardPage_enclosing_button);
fTypeNameDialogField= new StringDialogField();
fTypeNameDialogField.setDialogFieldListener(fTypeFieldAdapter);
fTypeNameDialogField.setLabelText(getTypeNameLabel());
fSuperClassDialogField= new StringButtonDialogField(fTypeFieldAdapter);
fSuperClassDialogField.setDialogFieldListener(fTypeFieldAdapter);
fSuperClassDialogField.setLabelText(getSuperClassLabel());
fSuperClassDialogField.setButtonLabel(NewWizardMessages.NewTypeWizardPage_superclass_button);
String[] addButtons= new String[] {
NewWizardMessages.NewTypeWizardPage_interfaces_add,
/* 1 */ null,
NewWizardMessages.NewTypeWizardPage_interfaces_remove
};
fSuperInterfacesDialogField= new ListDialogField<>(fTypeFieldAdapter, addButtons, new InterfacesListLabelProvider());
fSuperInterfacesDialogField.setDialogFieldListener(fTypeFieldAdapter);
fSuperInterfacesDialogField.setTableColumns(new ListDialogField.ColumnsDescription(1, false));
fSuperInterfacesDialogField.setLabelText(getSuperInterfacesLabel());
fSuperInterfacesDialogField.setRemoveButtonIndex(2);
String[] buttonNames1= new String[] {
NewWizardMessages.NewTypeWizardPage_modifiers_public,
NewWizardMessages.NewTypeWizardPage_modifiers_default,
NewWizardMessages.NewTypeWizardPage_modifiers_private,
NewWizardMessages.NewTypeWizardPage_modifiers_protected
};
fAccMdfButtons= new SelectionButtonDialogFieldGroup(SWT.RADIO, buttonNames1, 4);
fAccMdfButtons.setDialogFieldListener(fTypeFieldAdapter);
fAccMdfButtons.setLabelText(getModifiersLabel());
fAccMdfButtons.setSelection(0, true);
String[] buttonNames2;
if (fTypeKind == CLASS_TYPE) {
buttonNames2= new String[] {
NewWizardMessages.NewTypeWizardPage_modifiers_abstract,
NewWizardMessages.NewTypeWizardPage_modifiers_final,
NewWizardMessages.NewTypeWizardPage_modifiers_static
};
} else {
if (fTypeKind == ENUM_TYPE || fTypeKind == ANNOTATION_TYPE) {
buttonNames2= new String[] {
NewWizardMessages.NewTypeWizardPage_modifiers_abstract,
NewWizardMessages.NewTypeWizardPage_modifiers_static
};
}
else {
if (fTypeKind == RECORD_TYPE) {
buttonNames2= new String[] {NewWizardMessages.NewTypeWizardPage_modifiers_static};
} else
buttonNames2= new String[] {};
}
}
fOtherMdfButtons= new SelectionButtonDialogFieldGroup(SWT.CHECK, buttonNames2, 4);
fOtherMdfButtons.setDialogFieldListener(fTypeFieldAdapter);
fAccMdfButtons.enableSelectionButton(PRIVATE_INDEX, false);
fAccMdfButtons.enableSelectionButton(PROTECTED_INDEX, false);
fOtherMdfButtons.enableSelectionButton(STATIC_INDEX, false);
if (fTypeKind == ENUM_TYPE || fTypeKind == ANNOTATION_TYPE) {
fOtherMdfButtons.enableSelectionButton(ABSTRACT_INDEX, false);
fOtherMdfButtons.enableSelectionButton(ENUM_ANNOT_STATIC_INDEX, false);
}
fAddCommentButton= new SelectionButtonDialogField(SWT.CHECK);
fAddCommentButton.setLabelText(NewWizardMessages.NewTypeWizardPage_addcomment_label);
fUseAddCommentButtonValue= false; // only used when enabled
fCurrPackageCompletionProcessor= new JavaPackageCompletionProcessor();
fEnclosingTypeCompletionProcessor= new JavaTypeCompletionProcessor(false, false, true);
fPackageStatus= new StatusInfo();
fEnclosingTypeStatus= new StatusInfo();
fCanModifyPackage= true;
fCanModifyEnclosingType= true;
updateEnableState();
fTypeNameStatus= new StatusInfo();
fSuperClassStatus= new StatusInfo();
fSuperInterfacesStatus= new StatusInfo();
fModifierStatus= new StatusInfo();
fSealedModifierStatus= new StatusInfo();
fSealedSuperClassStatus= new StatusInfo();
fSealedSuperInterfacesStatus= new StatusInfo();
}
private void initOtherButtons() {
String[] buttonNames3= null;
switch (fTypeKind) {
case CLASS_TYPE:
if (fIsSealedSupported) {
buttonNames3= new String[] {
NewWizardMessages.NewTypeWizardPage_none_label,
NewWizardMessages.NewTypeWizardPage_modifiers_sealed,
NewWizardMessages.NewTypeWizardPage_modifiers_non_sealed,
NewWizardMessages.NewTypeWizardPage_modifiers_final
};
}
break;
case INTERFACE_TYPE:
if (fIsSealedSupported) {
buttonNames3= new String[] {
NewWizardMessages.NewTypeWizardPage_none_label,
NewWizardMessages.NewTypeWizardPage_modifiers_sealed,
NewWizardMessages.NewTypeWizardPage_modifiers_non_sealed
};
}
//$FALL-THROUGH$
default:
// do nothing
}
fSealedMdfButtons= null;
if (buttonNames3 != null) {
fSealedMdfButtons= new SelectionButtonDialogFieldGroup(SWT.RADIO, buttonNames3, 4);
fSealedMdfButtons.setDialogFieldListener(fTypeFieldAdapter);
fSealedMdfButtons.enableSelectionButton(SEALED_INDEX, false);
fSealedMdfButtons.enableSelectionButton(NON_SEALED_INDEX, false);
fSealedMdfButtons.enableSelectionButton(SEALED_FINAL_INDEX, true);
fOtherMdfButtons.enableSelectionButton(FINAL_INDEX, false);
switch (fTypeKind) {
case CLASS_TYPE:
case INTERFACE_TYPE:
if (fIsSealedSupported) {
fSealedMdfButtons.enableSelectionButton(SEALED_INDEX, true);
}
break;
default:
// do nothing
}
}
}
/**
* Initializes all fields provided by the page with a given selection.
*
* @param elem the selection used to initialize this page or <code>
* null</code> if no selection was available
*/
protected void initTypePage(IJavaElement elem) {
String initSuperclass= "java.lang.Object"; //$NON-NLS-1$
ArrayList<String> initSuperinterfaces= new ArrayList<>(5);
IJavaProject project= null;
IPackageFragment pack= null;
IType enclosingType= null;
if (elem != null) {
project= elem.getJavaProject();
setIsNonSealedSupported(project);
pack= (IPackageFragment) elem.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
if (pack == null && project != null) {
pack= getPackage(project);
}
// evaluate the enclosing type
IType typeInCU= (IType) elem.getAncestor(IJavaElement.TYPE);
if (typeInCU != null) {
if (typeInCU.getCompilationUnit() != null) {
enclosingType= typeInCU;
}
} else {
ICompilationUnit cu= (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
if (cu != null) {
enclosingType= cu.findPrimaryType();
}
}
try {
IType type= null;
if (elem.getElementType() == IJavaElement.TYPE) {
type= (IType)elem;
if (type.exists()) {
String superName= SuperInterfaceSelectionDialog.getNameWithTypeParameters(type);
if (type.isInterface()) {
initSuperinterfaces.add(superName);
} else {
initSuperclass= superName;
}
}
}
} catch (JavaModelException e) {
JavaPlugin.log(e);
// ignore this exception now
}
}
String typeName= ""; //$NON-NLS-1$
ITextSelection selection= getCurrentTextSelection();
if (selection != null) {
String text= selection.getText();
if (text != null && validateJavaTypeName(text, project).isOK()) {
typeName= getUniqueJavaTypeName (pack, text);
}
}
setPackageFragment(pack, true);
setEnclosingType(enclosingType, true);
setEnclosingTypeSelection(false, true);
setTypeName(typeName, true);
setSuperClass(initSuperclass, true);
setSuperInterfaces(initSuperinterfaces, true);
setAddComments(StubUtility.doAddComments(project), true); // from project or workspace
}
/**
* Generate a unique type name for some initially given name under the given package fragment.
*
* @param pack the package fragment under which to check for uniqueness
* @param name the type name to check for uniqueness
* @return a type name string that is unique under the given package fragment. If the initial
* type name is not unique, it is suffixed with a number greater than or equal to 2.
* @since 3.17
*/
protected String getUniqueJavaTypeName(IPackageFragment pack, String name) {
String typeName= name;
if (pack != null) {
IResource resource= null;
boolean initial= true;
while (resource == null || resource.exists()) {
typeName= Signature.getSimpleName(typeName);
Matcher m= NUM_PATTERN.matcher(typeName);
if (m.find()) {
// String ends with a number: increment it by 1
BigDecimal newNumber= null;
try {
newNumber= new BigDecimal(m.group()).add(new BigDecimal(1));
typeName= m.replaceFirst(newNumber.toPlainString());
} catch (NumberFormatException e) {
typeName= m.replaceFirst("2"); //$NON-NLS-1$
}
} else {
typeName+= (initial ? "" : "2"); //$NON-NLS-1$ //$NON-NLS-2$
initial= false;
}
ICompilationUnit cu= pack.getCompilationUnit(getCompilationUnitName(typeName));
resource= cu.getResource();
}
}
return typeName;
}
/**
* Checks if the package field has to be pre-filled in this page and returns the package
* fragment to be used for that. The package fragment has the name of the project if the source
* folder does not contain any package and if the project name is a valid package name. If the
* source folder contains exactly one package then the name of that package is used as the
* package fragment's name. <code>null</code> is returned if none of the above is applicable.
*
* @param javaProject the containing Java project of the selection used to initialize this page
*
* @return the package fragment to be pre-filled in this page or <code>null</code> if no
* suitable package can be suggested for the given project
*
* @since 3.9
*/
private IPackageFragment getPackage(IJavaProject javaProject) {
String packName= null;
final IPackageFragmentRoot pkgFragmentRoot= getPackageFragmentRoot();
IJavaElement[] packages= null;
try {
if (pkgFragmentRoot != null && pkgFragmentRoot.exists()) {
packages= pkgFragmentRoot.getChildren();
if (packages.length == 1) { // only default package -> use Project name
packName= javaProject.getElementName();
// validate package name
IStatus status= validatePackageName(packName, javaProject);
if (status.getSeverity() == IStatus.OK) {
return pkgFragmentRoot.getPackageFragment(packName);
}
} else {
int noOfPackages= 0;
IPackageFragment thePackage= null;
for (final IJavaElement pack : packages) {
IPackageFragment pkg= (IPackageFragment) pack;
// ignoring empty parent packages and default package
if ((!pkg.hasSubpackages() || pkg.hasChildren()) && !pkg.isDefaultPackage()) {
noOfPackages++;
thePackage= pkg;
if (noOfPackages > 1) {
return null;
}
}
}
if (noOfPackages == 1) { // use package name
packName= thePackage.getElementName();
return pkgFragmentRoot.getPackageFragment(packName);
}
}
}
} catch (JavaModelException e) {
// fall through
}
return null;
}
private static IStatus validateJavaTypeName(String text, IJavaProject project) {
if (project == null || !project.exists()) {
return JavaConventions.validateJavaTypeName(text, JavaCore.VERSION_1_3, JavaCore.VERSION_1_3, null);
}
return JavaConventionsUtil.validateJavaTypeName(text, project);
}
private static IStatus validatePackageName(String text, IJavaProject project) {
if (project == null || !project.exists()) {
return JavaConventions.validatePackageName(text, JavaCore.VERSION_1_3, JavaCore.VERSION_1_3);
}
return JavaConventionsUtil.validatePackageName(text, project);
}
// -------- UI Creation ---------
/**
* Returns the label that is used for the package input field.
*
* @return the label that is used for the package input field.
* @since 3.2
*/
protected String getPackageLabel() {
return NewWizardMessages.NewTypeWizardPage_package_label;
}
/**
* Returns the label that is used for the enclosing type input field.
*
* @return the label that is used for the enclosing type input field.
* @since 3.2
*/
protected String getEnclosingTypeLabel() {
return NewWizardMessages.NewTypeWizardPage_enclosing_selection_label;
}
/**
* Returns the label that is used for the type name input field.
*
* @return the label that is used for the type name input field.
* @since 3.2
*/
protected String getTypeNameLabel() {
return NewWizardMessages.NewTypeWizardPage_typename_label;
}
/**
* Returns the label that is used for the modifiers input field.
*
* @return the label that is used for the modifiers input field
* @since 3.2
*/
protected String getModifiersLabel() {
return NewWizardMessages.NewTypeWizardPage_modifiers_acc_label;
}
/**
* Returns the label that is used for the super class input field.
*
* @return the label that is used for the super class input field.
* @since 3.2
*/
protected String getSuperClassLabel() {
return NewWizardMessages.NewTypeWizardPage_superclass_label;
}
/**
* Returns the label that is used for the super interfaces input field.
*
* @return the label that is used for the super interfaces input field.
* @since 3.2
*/
protected String getSuperInterfacesLabel() {
if (fTypeKind != INTERFACE_TYPE)
return NewWizardMessages.NewTypeWizardPage_interfaces_class_label;
return NewWizardMessages.NewTypeWizardPage_interfaces_ifc_label;
}
/**
* Creates a separator line. Expects a <code>GridLayout</code> with at least 1 column.
*
* @param composite the parent composite
* @param nColumns number of columns to span
*/
protected void createSeparator(Composite composite, int nColumns) {
(new Separator(SWT.SEPARATOR | SWT.HORIZONTAL)).doFillIntoGrid(composite, nColumns, convertHeightInCharsToPixels(1));
}
/**
* Creates the controls for the package name field. Expects a <code>GridLayout</code> with at
* least 4 columns.
*
* @param composite the parent composite
* @param nColumns number of columns to span
*/
protected void createPackageControls(Composite composite, int nColumns) {
fPackageDialogField.doFillIntoGrid(composite, nColumns);
Text text= fPackageDialogField.getTextControl(null);
BidiUtils.applyBidiProcessing(text, StructuredTextTypeHandlerFactory.JAVA);
LayoutUtil.setWidthHint(text, getMaxFieldWidth());
LayoutUtil.setHorizontalGrabbing(text);
ControlContentAssistHelper.createTextContentAssistant(text, fCurrPackageCompletionProcessor);
TextFieldNavigationHandler.install(text);
}
/**
* Creates the controls for the enclosing type name field. Expects a <code>GridLayout</code> with at
* least 4 columns.
*
* @param composite the parent composite
* @param nColumns number of columns to span
*/
protected void createEnclosingTypeControls(Composite composite, int nColumns) {
// #6891
Composite tabGroup= new Composite(composite, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginWidth= 0;
layout.marginHeight= 0;
tabGroup.setLayout(layout);
fEnclosingTypeSelection.doFillIntoGrid(tabGroup, 1);
Text text= fEnclosingTypeDialogField.getTextControl(composite);
SWTUtil.setAccessibilityText(text, NewWizardMessages.NewTypeWizardPage_enclosing_field_description);
GridData gd= new GridData(GridData.FILL_HORIZONTAL);
gd.widthHint= getMaxFieldWidth();
gd.horizontalSpan= 2;
text.setLayoutData(gd);
Button button= fEnclosingTypeDialogField.getChangeControl(composite);
gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
gd.widthHint = SWTUtil.getButtonWidthHint(button);
button.setLayoutData(gd);
ControlContentAssistHelper.createTextContentAssistant(text, fEnclosingTypeCompletionProcessor);
TextFieldNavigationHandler.install(text);
}
/**
* Creates the controls for the type name field. Expects a <code>GridLayout</code> with at
* least 2 columns.