/*
 * Copyright (C) 2019 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.assistant;

import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.project.Project;
import java.awt.FlowLayout;
import javax.swing.JPanel;
import org.jetbrains.annotations.NotNull;

public interface PanelFactory {
  ExtensionPointName<PanelFactory> EP_NAME =
    ExtensionPointName.create("com.android.tools.idea.assistant.panelFactory");

  @NotNull
  Panel create(@NotNull Project project);

  /**
   * Returns a unique String used to find the matching extension. The panel XML should use
   * the same ID in the factoryId attribute.
   */
  @NotNull
  String getId();

  /**
   * Implementations should extend this class and return a new instance of it in {@code create()}
   */
  class Panel extends JPanel {
    protected Panel() {
      super(new FlowLayout(FlowLayout.LEFT, 0, 0));
      setOpaque(false);
    }
  }
}
