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Show recently used File > New wizards
Changes requested in the PR #1837 are addressed here
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...pse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/RecentNewWizardSelection.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023 ETAS GmbH and others, all rights reserved. | ||
| * | ||
| * 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: | ||
| * ETAS GmbH - initial API and implementation | ||
| *******************************************************************************/ | ||
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| package org.eclipse.ui.internal.dialogs; | ||
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| import java.util.Collections; | ||
| import java.util.Iterator; | ||
| import java.util.LinkedHashSet; | ||
| import java.util.Set; | ||
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| /** | ||
| * A <code>RecentNewWizardSelection</code> is used to manage the five most | ||
| * recent new wizards used or created from the "Other" shortcut, which is part | ||
| * of the menu manager with New Wizard actions. The recently used new wizards | ||
| * will appear before the "Other" shortcut. | ||
| * | ||
| * @since 3.5 | ||
| */ | ||
| public class RecentNewWizardSelection { | ||
| private Set<String> selectedFromOther = new LinkedHashSet<>(); | ||
| private static RecentNewWizardSelection instance; | ||
| private static final int MAX_MENU_SIZE = 5; | ||
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| public static RecentNewWizardSelection getInstance() { | ||
| synchronized (RecentNewWizardSelection.class) { | ||
| if (instance == null) { | ||
| instance = new RecentNewWizardSelection(); | ||
| } | ||
| return instance; | ||
| } | ||
| } | ||
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| /** | ||
| * Adds the new wizard menu shortcut ID to the set and removes the oldest one if | ||
| * the number of recently used new wizard menu shortcuts exceeds MAX_MENU_SIZE. | ||
| * | ||
| * @param shortcut the new wizard menu shortcut ID | ||
| */ | ||
| public void addItem(String shortcut) { | ||
| selectedFromOther.add(shortcut); | ||
| if (selectedFromOther.size() > MAX_MENU_SIZE) { | ||
| Iterator<String> iterator = selectedFromOther.iterator(); | ||
| iterator.next(); | ||
| iterator.remove(); | ||
| } | ||
| } | ||
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| /** | ||
| * Returns the set of recently used new wizard menu shortcut IDs. | ||
| * | ||
| * @return the set of recently used new wizard menu shortcut IDs | ||
| */ | ||
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| public Set<String> getSelectedFromOther() { | ||
| return Collections.unmodifiableSet(selectedFromOther); | ||
| } | ||
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| } |