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Implement itemDefaults for completionList
Signed-off-by: Jessica He <jhe@redhat.com>
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org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/utils/CompletionItemDefaultsUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023 Red Hat Inc. and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v20.html | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Red Hat Inc. - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.lemminx.utils; | ||
|
|
||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| import org.eclipse.lemminx.services.CompletionResponse; | ||
| import org.eclipse.lemminx.settings.SharedSettings; | ||
| import org.eclipse.lsp4j.CompletionItem; | ||
| import org.eclipse.lsp4j.CompletionItemDefaults; | ||
| import org.eclipse.lsp4j.InsertTextFormat; | ||
| import org.eclipse.lsp4j.Range; | ||
| import org.eclipse.lsp4j.jsonrpc.messages.Either; | ||
|
|
||
| /** | ||
| * CompletionItemDefaultsUtils for implementing itemDefaults in completion list | ||
| */ | ||
| public class CompletionItemDefaultsUtils { | ||
|
|
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| private static final String ITEM_DEFAULTS_EDIT_RANGE = "editRange"; | ||
|
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| private static final String ITEM_DEFAULTS_INSERT_TEXT_FORMAT = "insertTextFormat"; | ||
|
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| public static void process(CompletionResponse completionResponse, SharedSettings sharedSettings) { | ||
| CompletionItemDefaults itemDefaults = new CompletionItemDefaults(); | ||
| List<CompletionItem> completionList = completionResponse.getItems(); | ||
| if (sharedSettings.getCompletionSettings().isCompletionListItemDefaultsSupport(ITEM_DEFAULTS_EDIT_RANGE)) { | ||
| Range editRange = findMostCommonEditRange(completionList); | ||
| itemDefaults.setEditRange(Either.forLeft(editRange)); | ||
| for (CompletionItem item : completionList) { | ||
| if (item.getTextEdit().isLeft() && item.getTextEdit().getLeft().getRange().equals(editRange)) { | ||
| item.setTextEditText(item.getTextEdit().getLeft().getNewText()); | ||
| item.setTextEdit(null); | ||
| } | ||
| } | ||
| completionResponse.setItemDefaults(itemDefaults); | ||
| } | ||
| if (sharedSettings.getCompletionSettings() | ||
| .isCompletionListItemDefaultsSupport(ITEM_DEFAULTS_INSERT_TEXT_FORMAT)) { | ||
| itemDefaults.setInsertTextFormat(findMostCommonInsertTextFormat(completionResponse.getItems())); | ||
| for (CompletionItem item : completionList) { | ||
| if (item.getInsertTextFormat() == itemDefaults.getInsertTextFormat()) { | ||
| item.setInsertTextFormat(null); | ||
| } | ||
| } | ||
| completionResponse.setItemDefaults(itemDefaults); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Returns the most common editRange in the completion list. | ||
| * | ||
| * @param completionList the completion response | ||
| * @return the most common editRange in the completion list | ||
| */ | ||
| private static Range findMostCommonEditRange(List<CompletionItem> completionList) { | ||
| Map<Range, Integer> countMapEditRange = new HashMap<>(); | ||
|
|
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| for (CompletionItem item : completionList) { | ||
| if (item.getTextEdit().getLeft() != null) { | ||
| countMapEditRange.put(item.getTextEdit().getLeft().getRange(), | ||
| countMapEditRange.getOrDefault(item.getTextEdit().getLeft().getRange(), 0) + 1); | ||
| } | ||
| } | ||
|
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| Range mostCommonRange = null; | ||
| int maxCount = 0; | ||
| for (Map.Entry<Range, Integer> entry : countMapEditRange.entrySet()) { | ||
| if (entry.getValue() > maxCount) { | ||
| mostCommonRange = entry.getKey(); | ||
| maxCount = entry.getValue(); | ||
| } | ||
| } | ||
| return mostCommonRange; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the most common insertTextFormat in the completion list. | ||
| * | ||
| * @param completionList the completion response | ||
| * @return the most common insertTextFormat in the completion list | ||
| */ | ||
| private static InsertTextFormat findMostCommonInsertTextFormat(List<CompletionItem> completionList) { | ||
| Map<InsertTextFormat, Integer> countMapInsertTextFormat = new HashMap<>(); | ||
|
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| for (CompletionItem item : completionList) { | ||
| if (item.getInsertTextFormat() != null) { | ||
| countMapInsertTextFormat.put(item.getInsertTextFormat(), | ||
| countMapInsertTextFormat.getOrDefault(item.getInsertTextFormat(), 0) + 1); | ||
| } | ||
| } | ||
|
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| InsertTextFormat mostCommonInsertTextFormat = null; | ||
| int maxCount = 0; | ||
| for (Map.Entry<InsertTextFormat, Integer> entry : countMapInsertTextFormat.entrySet()) { | ||
| if (entry.getValue() > maxCount) { | ||
| mostCommonInsertTextFormat = entry.getKey(); | ||
| maxCount = entry.getValue(); | ||
| } | ||
| } | ||
| return mostCommonInsertTextFormat; | ||
| } | ||
|
|
||
| } |
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