| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.refactoring; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| 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.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| import org.eclipse.jface.dialogs.StatusDialog; |
| |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| |
| import org.eclipse.jdt.core.JavaConventions; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.Checks; |
| import org.eclipse.jdt.internal.corext.refactoring.ParameterInfo; |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.jdt.internal.corext.refactoring.StubTypeContext; |
| import org.eclipse.jdt.internal.corext.refactoring.TypeContextChecker; |
| import org.eclipse.jdt.internal.corext.refactoring.structure.ChangeSignatureProcessor; |
| import org.eclipse.jdt.internal.corext.util.JavaConventionsUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler; |
| import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper; |
| import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaTypeCompletionProcessor; |
| import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels; |
| |
| public class ParameterEditDialog extends StatusDialog { |
| |
| private final ParameterInfo fParameter; |
| private final boolean fEditType; |
| private final boolean fEditDefault; |
| private final StubTypeContext fContext; |
| private Text fType; |
| private Text fName; |
| private Text fDefaultValue; |
| |
| /** |
| * @param parentShell |
| * @param parameter |
| * @param canEditType |
| * @param canEditDefault |
| * @param context the <code>IPackageFragment</code> for type ContentAssist. |
| * Can be <code>null</code> if <code>canEditType</code> is <code>false</code>. |
| */ |
| public ParameterEditDialog(Shell parentShell, ParameterInfo parameter, boolean canEditType, boolean canEditDefault, StubTypeContext context) { |
| super(parentShell); |
| fParameter= parameter; |
| fEditType= canEditType; |
| fEditDefault= canEditDefault; |
| fContext= context; |
| } |
| |
| @Override |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| newShell.setText(RefactoringMessages.ParameterEditDialog_title); |
| } |
| |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| Composite result= (Composite)super.createDialogArea(parent); |
| GridLayout layout= (GridLayout)result.getLayout(); |
| layout.numColumns= 2; |
| Label label; |
| GridData gd; |
| |
| label= new Label(result, SWT.NONE); |
| String newName = fParameter.getNewName(); |
| if (newName.length() == 0) |
| label.setText(RefactoringMessages.ParameterEditDialog_message_new); |
| else |
| label.setText(Messages.format(RefactoringMessages.ParameterEditDialog_message, BasicElementLabels.getJavaElementName(newName))); |
| gd= new GridData(GridData.FILL_HORIZONTAL); |
| gd.horizontalSpan= 2; |
| label.setLayoutData(gd); |
| |
| if (fEditType) { |
| label= new Label(result, SWT.NONE); |
| label.setText(RefactoringMessages.ParameterEditDialog_type); |
| fType= new Text(result, SWT.BORDER); |
| gd= new GridData(GridData.FILL_HORIZONTAL); |
| fType.setLayoutData(gd); |
| fType.setText(fParameter.getNewTypeName()); |
| fType.addModifyListener( |
| new ModifyListener() { |
| @Override |
| public void modifyText(ModifyEvent e) { |
| validate((Text)e.widget); |
| } |
| }); |
| TextFieldNavigationHandler.install(fType); |
| JavaTypeCompletionProcessor processor= new JavaTypeCompletionProcessor(true, false); |
| processor.setCompletionContext(fContext.getCuHandle(), fContext.getBeforeString(), fContext.getAfterString()); |
| ControlContentAssistHelper.createTextContentAssistant(fType, processor); |
| } |
| |
| label= new Label(result, SWT.NONE); |
| fName= new Text(result, SWT.BORDER); |
| initializeDialogUnits(fName); |
| label.setText(RefactoringMessages.ParameterEditDialog_name); |
| gd= new GridData(GridData.FILL_HORIZONTAL); |
| gd.widthHint= convertWidthInCharsToPixels(45); |
| fName.setLayoutData(gd); |
| fName.setText(newName); |
| fName.addModifyListener( |
| new ModifyListener() { |
| @Override |
| public void modifyText(ModifyEvent e) { |
| validate((Text)e.widget); |
| } |
| }); |
| TextFieldNavigationHandler.install(fName); |
| |
| if (fEditDefault && fParameter.isAdded()) { |
| label= new Label(result, SWT.NONE); |
| label.setText(RefactoringMessages.ParameterEditDialog_defaultValue); |
| fDefaultValue= new Text(result, SWT.BORDER); |
| gd= new GridData(GridData.FILL_HORIZONTAL); |
| fDefaultValue.setLayoutData(gd); |
| fDefaultValue.setText(fParameter.getDefaultValue()); |
| fDefaultValue.addModifyListener( |
| new ModifyListener() { |
| @Override |
| public void modifyText(ModifyEvent e) { |
| validate((Text)e.widget); |
| } |
| }); |
| TextFieldNavigationHandler.install(fDefaultValue); |
| } |
| applyDialogFont(result); |
| return result; |
| } |
| |
| @Override |
| protected void okPressed() { |
| if (fType != null) { |
| fParameter.setNewTypeName(fType.getText()); |
| } |
| fParameter.setNewName(fName.getText()); |
| if (fDefaultValue != null) { |
| fParameter.setDefaultValue(fDefaultValue.getText()); |
| } |
| super.okPressed(); |
| } |
| |
| private void validate(Text first) { |
| IStatus[] result= new IStatus[3]; |
| if (first == fType) { |
| result[0]= validateType(); |
| result[1]= validateName(); |
| result[2]= validateDefaultValue(); |
| } else if (first == fName) { |
| result[0]= validateName(); |
| result[1]= validateType(); |
| result[2]= validateDefaultValue(); |
| } else { |
| result[0]= validateDefaultValue(); |
| result[1]= validateName(); |
| result[2]= validateType(); |
| } |
| for (int i= 0; i < result.length; i++) { |
| IStatus status= result[i]; |
| if (status != null && !status.isOK()) { |
| updateStatus(status); |
| return; |
| } |
| } |
| updateStatus(Status.OK_STATUS); |
| } |
| |
| private IStatus validateType() { |
| if (fType == null) |
| return null; |
| String type= fType.getText(); |
| |
| RefactoringStatus status= TypeContextChecker.checkParameterTypeSyntax(type, fContext.getCuHandle().getJavaProject()); |
| if (status == null || status.isOK()) |
| return Status.OK_STATUS; |
| if (status.hasError()) |
| return createErrorStatus(status.getEntryWithHighestSeverity().getMessage()); |
| else |
| return createWarningStatus(status.getEntryWithHighestSeverity().getMessage()); |
| } |
| |
| private IStatus validateName() { |
| if (fName == null) |
| return null; |
| String text= fName.getText(); |
| if (text.length() == 0) |
| return createErrorStatus(RefactoringMessages.ParameterEditDialog_name_error); |
| IStatus status= fContext != null |
| ? JavaConventionsUtil.validateFieldName(text, fContext.getCuHandle().getJavaProject()) |
| : JavaConventions.validateFieldName(text, JavaCore.VERSION_1_3, JavaCore.VERSION_1_3); |
| if (status.matches(IStatus.ERROR)) |
| return status; |
| if (! Checks.startsWithLowerCase(text)) |
| return createWarningStatus(RefactoringCoreMessages.ExtractTempRefactoring_convention); |
| return Status.OK_STATUS; |
| } |
| |
| private IStatus validateDefaultValue() { |
| if (fDefaultValue == null) |
| return null; |
| String defaultValue= fDefaultValue.getText(); |
| if (defaultValue.length() == 0) |
| return createErrorStatus(RefactoringMessages.ParameterEditDialog_defaultValue_error); |
| if (ChangeSignatureProcessor.isValidExpression(defaultValue)) |
| return Status.OK_STATUS; |
| String msg= Messages.format(RefactoringMessages.ParameterEditDialog_defaultValue_invalid, new String[]{defaultValue}); |
| return createErrorStatus(msg); |
| |
| } |
| |
| private Status createWarningStatus(String message) { |
| return new Status(IStatus.WARNING, JavaPlugin.getPluginId(), IStatus.WARNING, message, null); |
| } |
| |
| private Status createErrorStatus(String message) { |
| return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.ERROR, message, null); |
| } |
| } |