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Add hide fields toolbar button to outline view (fix #1073)
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74
org.eclipse.lsp4e/src/org/eclipse/lsp4e/outline/ToggleHideFieldsOutlineHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Advantest Europe GmbH. All rights reserved. | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Dietrich Travkin (Solunar GmbH) - initial implementation (issue #1073) | ||
| *******************************************************************************/ | ||
| package org.eclipse.lsp4e.outline; | ||
|
|
||
| import java.util.Optional; | ||
|
|
||
| import org.eclipse.core.commands.AbstractHandler; | ||
| import org.eclipse.core.commands.Command; | ||
| import org.eclipse.core.commands.ExecutionEvent; | ||
| import org.eclipse.core.commands.ExecutionException; | ||
| import org.eclipse.core.runtime.preferences.IEclipsePreferences; | ||
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener; | ||
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent; | ||
| import org.eclipse.core.runtime.preferences.InstanceScope; | ||
| import org.eclipse.jdt.annotation.Nullable; | ||
| import org.eclipse.lsp4e.LanguageServerPlugin; | ||
| import org.eclipse.lsp4j.SymbolKind; | ||
| import org.eclipse.ui.PlatformUI; | ||
| import org.eclipse.ui.commands.ICommandService; | ||
| import org.eclipse.ui.handlers.HandlerUtil; | ||
|
|
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| public class ToggleHideFieldsOutlineHandler extends AbstractHandler implements IPreferenceChangeListener { | ||
|
|
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| private static final String COMMAND_ID_HIDE_FIELDS = "org.eclipse.lsp4e.toggleHideFieldsOutline"; //$NON-NLS-1$ | ||
|
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| private final IEclipsePreferences preferences; | ||
| private final Optional<Command> toggleHideFieldsCommand; | ||
|
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| public ToggleHideFieldsOutlineHandler() { | ||
| preferences = InstanceScope.INSTANCE.getNode(LanguageServerPlugin.PLUGIN_ID); | ||
| preferences.addPreferenceChangeListener(this); | ||
|
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| ICommandService commandService = PlatformUI.getWorkbench().getService(ICommandService.class); | ||
| if (commandService != null) { | ||
| toggleHideFieldsCommand = Optional.of(commandService.getCommand(COMMAND_ID_HIDE_FIELDS)); | ||
| } else { | ||
| toggleHideFieldsCommand = Optional.empty(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public @Nullable Object execute(final ExecutionEvent event) throws ExecutionException { | ||
| OutlineViewHideSymbolKindMenuContributor.toggleHideSymbolKind(SymbolKind.Field); | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public void dispose() { | ||
| super.dispose(); | ||
| preferences.removePreferenceChangeListener(this); | ||
| } | ||
|
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| @Override | ||
| public void preferenceChange(PreferenceChangeEvent event) { | ||
| if (toggleHideFieldsCommand.isPresent() | ||
| && event.getKey().startsWith(CNFOutlinePage.HIDE_DOCUMENT_SYMBOL_KIND_PREFERENCE_PREFIX) | ||
| && event.getKey().endsWith(SymbolKind.Field.name())) { | ||
| try { | ||
| HandlerUtil.toggleCommandState(toggleHideFieldsCommand.get()); | ||
| } catch (ExecutionException e) { | ||
| LanguageServerPlugin.logError(e); | ||
| } | ||
| } | ||
| } | ||
| } |