MindMapApplicationSettings.java

/*
 * Copyright 2015 Igor Maznitsa.
 *
 * 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.igormaznitsa.ideamindmap.settings;

import com.igormaznitsa.ideamindmap.plugins.PrinterPlugin;
import com.igormaznitsa.mindmap.model.logger.Logger;
import com.igormaznitsa.mindmap.model.logger.LoggerFactory;
import com.igormaznitsa.mindmap.plugins.MindMapPluginRegistry;
import com.igormaznitsa.mindmap.plugins.external.ExternalPlugins;
import com.igormaznitsa.mindmap.swing.panel.MindMapPanelConfig;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.components.PersistentStateComponent;
import com.intellij.openapi.components.State;
import com.intellij.openapi.components.Storage;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.awt.Color;
import java.awt.Font;
import java.io.File;
import java.lang.reflect.Field;

@State(name = "NBMindMapPlugin", storages = { @Storage(id = "nbmindmap", file = "$APP_CONFIG$/nbmindmapsettings.xml") })
public class MindMapApplicationSettings implements ApplicationComponent, PersistentStateComponent<DeclaredFieldsSerializer>, DeclaredFieldsSerializer.Converter {

  private static final MindMapPanelConfig etalon = new MindMapPanelConfig();
  private final MindMapPanelConfig editorConfig = new MindMapPanelConfig();
  private static final String PROPERTY = "nbmmd.plugin.folder";

  private static final Logger LOGGER = LoggerFactory.getLogger(MindMapApplicationSettings.class);

  public MindMapPanelConfig getConfig() {
    return this.editorConfig;
  }

  @Override public void initComponent() {
    MindMapPluginRegistry.getInstance().registerPlugin(new PrinterPlugin());
    final String pluginFolder = System.getProperty(PROPERTY);
    if (pluginFolder!=null) {
      final File folder = new File(pluginFolder);
      if (folder.isDirectory()) {
        LOGGER.info("Loading plugins from folder : "+folder);
        new ExternalPlugins(folder).init();
      } else {
        LOGGER.error("Can't find plugin folder : " + folder);
      }
    }else{
      LOGGER.info("Property "+PROPERTY+" is not defined");
    }

  }

  @Override public void disposeComponent() {

  }

  @Nonnull @Override public String getComponentName() {
    return "NBMindMapApplicationSettings";
  }

  @Nullable @Override public DeclaredFieldsSerializer getState() {
    return new DeclaredFieldsSerializer(this.editorConfig,this);
  }

  @Override public void loadState(final DeclaredFieldsSerializer state) {
    state.fill(editorConfig,this);
  }

  public void fillBy(@Nonnull final MindMapPanelConfig mindMapPanelConfig) {
    editorConfig.makeFullCopyOf(mindMapPanelConfig, false, true);
  }

  public static MindMapApplicationSettings findInstance() {
    return ApplicationManager.getApplication().getComponent(MindMapApplicationSettings.class);
  }

  @Nullable @Override public Object fromString(@Nonnull Class<?> fieldType, @Nonnull String value) {
    if (fieldType == Color.class) {
      return new Color(Integer.parseInt(value), true);
    }
    else if (fieldType == Font.class) {
      final String[] splitted = value.split(":");
      return new Font(splitted[0], Integer.parseInt(splitted[1]), Integer.parseInt(splitted[2]));
    }
    else
      throw new Error("Unexpected field type" + fieldType);
  }

  @Nonnull @Override public String asString(@Nonnull Class<?> fieldType, @Nonnull Object value) {
    if (fieldType == Color.class) {
      return Integer.toString(((Color) value).getRGB());
    }
    else if (fieldType == Font.class) {
      final Font font = (Font) value;
      return font.getFamily() + ':' + Integer.toString(font.getStyle()) + ':' + Integer.toString(font.getSize());
    }
    else
      throw new Error("Unexpected field type" + fieldType);
  }

  @Nullable @Override public Object provideDefaultValue(@Nonnull final String fieldName, @Nonnull final Class<?> fieldType) {
    try{
      final Field field = MindMapPanelConfig.class.getDeclaredField(fieldName);
      field.setAccessible(true);
      return field.get(etalon);
    }catch(Exception ex){
      LOGGER.error("Error during default value extraction ("+fieldType+" "+fieldName+')');
      throw new RuntimeException("Can't extract default value from settings",ex);
    }
  }
}