com.android.tools.idea.npw.template.components.PackageComboProvider.java Source code

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Here is the source code for com.android.tools.idea.npw.template.components.PackageComboProvider.java

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/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.tools.idea.npw.template.components;

import com.android.tools.idea.templates.Parameter;
import com.android.tools.idea.ui.properties.AbstractProperty;
import com.android.tools.idea.ui.properties.swing.TextProperty;
import com.google.common.collect.Iterables;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.project.Project;
import com.intellij.psi.JavaCodeFragment;
import com.intellij.ui.EditorComboBox;
import com.intellij.ui.JavaReferenceEditorUtil;
import com.intellij.ui.RecentsManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.List;

/**
 * Provides an editable combobox which allows the user to specify a package name (or pull from a
 * list of recently used packages).
 */
public final class PackageComboProvider extends ParameterComponentProvider<EditorComboBox> {

    @NotNull
    private final Project myProject;
    @NotNull
    private final String myInitialPackage;
    @NotNull
    private final String myRecentsKey;

    public PackageComboProvider(@NotNull Project project, @NotNull Parameter parameter,
            @NotNull String initialPackage, @NotNull String recentsKey) {
        super(parameter);
        myProject = project;
        myInitialPackage = initialPackage;
        myRecentsKey = recentsKey;
    }

    @NotNull
    @Override
    protected EditorComboBox createComponent(@NotNull Parameter parameter) {
        Document doc = JavaReferenceEditorUtil.createDocument(myInitialPackage, myProject, false,
                JavaCodeFragment.VisibilityChecker.PROJECT_SCOPE_VISIBLE);
        assert doc != null;
        final EditorComboBox classComboBox = new EditorComboBox(doc, myProject, StdFileTypes.JAVA);

        // Make sure our suggested package is in the recents list and at the top
        RecentsManager.getInstance(myProject).registerRecentEntry(myRecentsKey, myInitialPackage);
        List<String> recents = RecentsManager.getInstance(myProject).getRecentEntries(myRecentsKey);
        assert recents != null; // We just added at least one entry!

        classComboBox.setHistory(Iterables.toArray(recents, String.class));
        return classComboBox;
    }

    @Nullable
    @Override
    public AbstractProperty<?> createProperty(@NotNull final EditorComboBox classComboBox) {
        return new TextProperty(classComboBox);
    }

    @Override
    public void accept(@NotNull EditorComboBox component) {
        RecentsManager recentsManager = RecentsManager.getInstance(myProject);
        recentsManager.registerRecentEntry(myRecentsKey, component.getText());
    }
}