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Support creating record accessor for completion
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178 changes: 178 additions & 0 deletions
178
...pse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/RecordAccessorCompletionProposal.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,178 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 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.text.java; | ||
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| import java.util.Collection; | ||
| import java.util.Set; | ||
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| import org.eclipse.core.runtime.Assert; | ||
| import org.eclipse.core.runtime.CoreException; | ||
| import org.eclipse.core.runtime.IStatus; | ||
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| import org.eclipse.jface.viewers.StyledString; | ||
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| import org.eclipse.jface.text.BadLocationException; | ||
| import org.eclipse.jface.text.IDocument; | ||
| import org.eclipse.jface.text.IRegion; | ||
| import org.eclipse.jface.text.TextUtilities; | ||
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| import org.eclipse.jdt.core.IField; | ||
| import org.eclipse.jdt.core.IMethod; | ||
| import org.eclipse.jdt.core.IType; | ||
| import org.eclipse.jdt.core.Signature; | ||
| import org.eclipse.jdt.core.dom.rewrite.ImportRewrite; | ||
| import org.eclipse.jdt.core.formatter.CodeFormatter; | ||
| import org.eclipse.jdt.core.manipulation.CodeGeneration; | ||
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| import org.eclipse.jdt.internal.core.manipulation.util.Strings; | ||
| import org.eclipse.jdt.internal.corext.codemanipulation.CodeGenerationSettings; | ||
| import org.eclipse.jdt.internal.corext.util.CodeFormatterUtil; | ||
| import org.eclipse.jdt.internal.corext.util.JavaConventionsUtil; | ||
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| import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal; | ||
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| import org.eclipse.jdt.internal.ui.JavaPluginImages; | ||
| import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings; | ||
| import org.eclipse.jdt.internal.ui.preferences.formatter.FormatterProfileManager; | ||
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| /** | ||
| * Record accessor declaration proposal. | ||
| */ | ||
| public class RecordAccessorCompletionProposal extends JavaTypeCompletionProposal { | ||
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| public static void evaluateProposals(IType type, String prefix, int offset, int length, int relevance, Set<String> suggestedMethods, Collection<IJavaCompletionProposal> result) throws CoreException { | ||
| IMethod[] methods= type.getMethods(); | ||
| if (!type.isRecord()) { | ||
| return; | ||
| } | ||
| if (prefix.length() > 0 && !hasMethod(methods, prefix)) { | ||
| if (!JavaConventionsUtil.validateMethodName(prefix, type).matches(IStatus.ERROR)) { | ||
| IField[] fields= type.getRecordComponents(); | ||
| for (IField field : fields) { | ||
| if (field.getElementName().startsWith(prefix)) { | ||
| if (suggestedMethods.add(field.getElementName())) { | ||
| result.add(new RecordAccessorCompletionProposal(type, field.getElementName(), field.getTypeSignature(), offset, length, relevance + 1)); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private static boolean hasMethod(IMethod[] methods, String name) { | ||
| for (IMethod curr : methods) { | ||
| if (curr.getElementName().equals(name) && curr.getParameterTypes().length == 0) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
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| private final IType fType; | ||
| private final String fReturnTypeSig; | ||
| private final String fMethodName; | ||
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| public RecordAccessorCompletionProposal(IType type, String methodName, String returnTypeSig, int start, int length, int relevance) { | ||
| super("", type.getCompilationUnit(), start, length, null, getDisplayName(methodName, returnTypeSig), relevance); //$NON-NLS-1$ | ||
| Assert.isNotNull(type); | ||
| Assert.isNotNull(methodName); | ||
| Assert.isNotNull(returnTypeSig); | ||
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| fType= type; | ||
| fMethodName= methodName; | ||
| fReturnTypeSig= returnTypeSig; | ||
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| setImage(JavaPluginImages.get(JavaPluginImages.IMG_MISC_PUBLIC)); | ||
| } | ||
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| private static StyledString getDisplayName(String methodName, String returnTypeSig) { | ||
| StyledString buf= new StyledString(); | ||
| buf.append(methodName); | ||
| buf.append('('); | ||
| buf.append(')'); | ||
| buf.append(" : "); //$NON-NLS-1$ | ||
| buf.append(Signature.toString(returnTypeSig)); | ||
| buf.append(" - ", StyledString.QUALIFIER_STYLER); //$NON-NLS-1$ | ||
| buf.append(JavaTextMessages.RecordAccessorCompletionProposal_accessor_label, StyledString.QUALIFIER_STYLER); | ||
| return buf; | ||
| } | ||
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| @Override | ||
| protected boolean updateReplacementString(IDocument document, char trigger, int offset, ImportRewrite impRewrite) throws CoreException, BadLocationException { | ||
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| CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(fType.getJavaProject()); | ||
| boolean addComments= settings.createComments; | ||
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| String[] empty= new String[0]; | ||
| String lineDelim= TextUtilities.getDefaultLineDelimiter(document); | ||
| String declTypeName= fType.getTypeQualifiedName('.'); | ||
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| StringBuilder buf= new StringBuilder(); | ||
| if (addComments) { | ||
| String comment= CodeGeneration.getMethodComment(fType.getCompilationUnit(), declTypeName, fMethodName, empty, empty, fReturnTypeSig, empty, null, lineDelim); | ||
| if (comment != null) { | ||
| buf.append(comment); | ||
| buf.append(lineDelim); | ||
| } | ||
| } | ||
| buf.append("public "); //$NON-NLS-1$ | ||
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| if (fReturnTypeSig != null) { | ||
| buf.append(Signature.toString(fReturnTypeSig)); | ||
| } | ||
| buf.append(' '); | ||
| buf.append(fMethodName); | ||
| buf.append("() {"); //$NON-NLS-1$ | ||
| buf.append(lineDelim); | ||
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| String body= CodeGeneration.getMethodBodyContent(fType.getCompilationUnit(), declTypeName, fMethodName, fReturnTypeSig == null, "", lineDelim); //$NON-NLS-1$ | ||
| if (body != null) { | ||
| buf.append(body); | ||
| buf.append(lineDelim); | ||
| } | ||
| buf.append("}"); //$NON-NLS-1$ | ||
| buf.append(lineDelim); | ||
| String stub= buf.toString(); | ||
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| // use the code formatter | ||
| IRegion region= document.getLineInformationOfOffset(getReplacementOffset()); | ||
| int lineStart= region.getOffset(); | ||
| int indent= Strings.computeIndentUnits(document.get(lineStart, getReplacementOffset() - lineStart), settings.tabWidth, settings.indentWidth); | ||
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| String replacement= CodeFormatterUtil.format(CodeFormatter.K_CLASS_BODY_DECLARATIONS, stub, indent, lineDelim, FormatterProfileManager.getProjectSettings(fType.getJavaProject())); | ||
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| if (replacement.endsWith(lineDelim)) { | ||
| replacement= replacement.substring(0, replacement.length() - lineDelim.length()); | ||
| } | ||
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| setReplacementString(Strings.trimLeadingTabsAndSpaces(replacement)); | ||
| return true; | ||
| } | ||
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| @Override | ||
| public CharSequence getPrefixCompletionText(IDocument document, int completionOffset) { | ||
| return ""; // don't let method stub proposals complete incrementally //$NON-NLS-1$ | ||
| } | ||
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| /* | ||
| * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension4#isAutoInsertable() | ||
| */ | ||
| @Override | ||
| public boolean isAutoInsertable() { | ||
| return false; | ||
| } | ||
|
|
||
| } |
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