platform/usageView/src/com/intellij/usages/impl/RuleAction.java

/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * 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.intellij.usages.impl;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.actionSystem.ToggleAction;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.usages.UsageView;
import com.intellij.usages.rules.UsageFilteringRuleProvider;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;

/**
 * @author Eugene Zhuravlev
 *         Date: Jan 19, 2005
 */
abstract class RuleAction extends ToggleAction implements DumbAware {
  private final UsageViewImpl myView;
  private boolean myState;

  RuleAction(@NotNull UsageView view, @NotNull String text, @NotNull Icon icon) {
    super(text, null, icon);
    myView = (UsageViewImpl)view;
    myState = getOptionValue();
  }

  protected abstract boolean getOptionValue();

  protected abstract void setOptionValue(boolean value);

  @Override
  public boolean isSelected(AnActionEvent e) {
    return myState;
  }

  @Override
  public void setSelected(AnActionEvent e, boolean state) {
    setOptionValue(state);
    myState = state;

    Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
    if (project != null) {
      project.getMessageBus().syncPublisher(UsageFilteringRuleProvider.RULES_CHANGED).run();
    }

    myView.select();
  }
}