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Implement itemDefaults for completionList
Signed-off-by: Jessica He <[email protected]>
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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 +1,116 @@ | ||
| /******************************************************************************* | ||
| * 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.Collection; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| 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 { | ||
|
|
||
| private static final String ITEM_DEFAULTS_EDIT_RANGE = "editRange"; | ||
|
|
||
| private static final String ITEM_DEFAULTS_INSERT_TEXT_FORMAT = "insertTextFormat"; | ||
|
|
||
| /** | ||
| * Processes the completion list and manages item defaults. | ||
| * | ||
| * @param completionResponse the completion response | ||
| * @param sharedSettings the shared settings | ||
| */ | ||
| 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)) { | ||
| setToMostCommonEditRange(completionList, itemDefaults); | ||
| completionResponse.setItemDefaults(itemDefaults); | ||
| } | ||
| if (sharedSettings.getCompletionSettings() | ||
| .isCompletionListItemDefaultsSupport(ITEM_DEFAULTS_INSERT_TEXT_FORMAT)) { | ||
| setToMostCommonInsertTextFormat(completionList, itemDefaults); | ||
| completionResponse.setItemDefaults(itemDefaults); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Sets the most common editRange in the completion list in item | ||
| * defaults and processes the completion list. | ||
| * | ||
| * @param completionList the completion list | ||
| * @param itemDefaults the item defaults | ||
| */ | ||
| private static void setToMostCommonEditRange(List<CompletionItem> completionList, | ||
| CompletionItemDefaults itemDefaults) { | ||
| Map<Range, List<CompletionItem>> itemsByRange = completionList.stream() | ||
| .collect(Collectors.groupingBy(item -> item.getTextEdit().getLeft().getRange())); | ||
| int maxCount = 0; | ||
| Range mostCommonRange = null; | ||
| for (Map.Entry<Range, List<CompletionItem>> entry : itemsByRange.entrySet()) { | ||
| int currentSize = entry.getValue().size(); | ||
| if (currentSize > maxCount) { | ||
| maxCount = currentSize; | ||
| mostCommonRange = entry.getKey(); | ||
| } | ||
| } | ||
| itemsByRange.get(mostCommonRange).forEach(item -> { | ||
| item.setTextEditText(item.getTextEdit().getLeft().getNewText()); | ||
| item.setTextEdit(null); | ||
| }); | ||
| itemDefaults.setEditRange(Either.forLeft(mostCommonRange)); | ||
| completionList = itemsByRange.values().stream().flatMap(Collection::stream) | ||
| .collect(Collectors.toList()); | ||
| } | ||
|
|
||
| /** | ||
| * Sets the most common InsertTextFormat in the completion list in item | ||
| * defaults and processes the completion list. | ||
| * | ||
| * @param completionList the completion list | ||
| * @param itemDefaults the item defaults | ||
| */ | ||
| private static void setToMostCommonInsertTextFormat(List<CompletionItem> completionList, | ||
| CompletionItemDefaults itemDefaults) { | ||
| Map<InsertTextFormat, List<CompletionItem>> itemsByInsertTextFormat = completionList.stream() | ||
| .filter(item -> item.getInsertTextFormat() != null) | ||
| .collect(Collectors.groupingBy(item -> item.getInsertTextFormat())); | ||
| int maxCount = 0; | ||
| InsertTextFormat mostCommonInsertTextFormat = null; | ||
| for (Map.Entry<InsertTextFormat, List<CompletionItem>> entry : itemsByInsertTextFormat.entrySet()) { | ||
| int currentSize = entry.getValue().size(); | ||
| if (currentSize > maxCount) { | ||
| maxCount = currentSize; | ||
| mostCommonInsertTextFormat = entry.getKey(); | ||
| } | ||
| } | ||
| if (mostCommonInsertTextFormat == null) { | ||
| return; | ||
| } | ||
| itemsByInsertTextFormat.get(mostCommonInsertTextFormat).forEach(item -> { | ||
| item.setInsertTextFormat(null); | ||
| }); | ||
| itemDefaults.setInsertTextFormat(mostCommonInsertTextFormat); | ||
| completionList = itemsByInsertTextFormat.values().stream().flatMap(Collection::stream) | ||
| .collect(Collectors.toList()); | ||
| } | ||
| } |
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