/*
 * Copyright 2000-2012 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.
 */

/*
 * User: anna
 * Date: 19-Apr-2009
 */
package com.intellij.profile.codeInspection.ui;

import com.intellij.codeHighlighting.HighlightDisplayLevel;
import com.intellij.codeInsight.daemon.impl.HighlightInfoType;
import com.intellij.codeInsight.daemon.impl.SeverityRegistrar;
import com.intellij.codeInsight.daemon.impl.SeverityUtil;
import com.intellij.codeInspection.ex.SeverityEditorDialog;
import com.intellij.ui.ListCellRendererWrapper;
import com.intellij.lang.annotation.HighlightSeverity;
import com.intellij.ui.ComboboxWithBrowseButton;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.TreeSet;

public class LevelChooser extends ComboboxWithBrowseButton {
  public LevelChooser(final SeverityRegistrar severityRegistrar) {
    final JComboBox comboBox = getComboBox();
    final DefaultComboBoxModel model = new DefaultComboBoxModel();
    comboBox.setModel(model);
    fillModel(model, severityRegistrar);
    getButton().setToolTipText("Edit severities (" + getButton().getToolTipText(null) + ")");

    comboBox.setRenderer(new ListCellRendererWrapper<HighlightSeverity>() {
      @Override
      public void customize(final JList list, final HighlightSeverity value, final int index, final boolean selected, final boolean hasFocus) {
        if (value != null) {
          setText(SingleInspectionProfilePanel.renderSeverity(value));
          setIcon(HighlightDisplayLevel.find(value).getIcon());
        }
      }
    });

    addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        final SeverityEditorDialog dlg = new SeverityEditorDialog(LevelChooser.this, (HighlightSeverity)getComboBox().getSelectedItem(), severityRegistrar);
        dlg.show();
        if (dlg.isOK()) {
          final Object item = getComboBox().getSelectedItem();
          fillModel(model, severityRegistrar);
          final HighlightInfoType type = dlg.getSelectedType();
          if (type != null) {
            getComboBox().setSelectedItem(type.getSeverity(null));
          } else {
            getComboBox().setSelectedItem(item);
          }
        }
      }
    });
  }

  private static void fillModel(DefaultComboBoxModel model, final SeverityRegistrar severityRegistrar) {
    model.removeAllElements();
    final TreeSet<HighlightSeverity> severities = new TreeSet<HighlightSeverity>(severityRegistrar);
    for (SeverityRegistrar.SeverityBasedTextAttributes type : SeverityUtil.getRegisteredHighlightingInfoTypes(severityRegistrar)) {
      severities.add(type.getSeverity());
    }
    severities.add(HighlightSeverity.ERROR);
    severities.add(HighlightSeverity.WARNING);
    severities.add(HighlightSeverity.WEAK_WARNING);
    severities.add(HighlightSeverity.GENERIC_SERVER_ERROR_OR_WARNING);
    for (HighlightSeverity severity : severities) {
      model.addElement(severity);
    }
  }

  @NotNull
  public HighlightDisplayLevel getLevel() {
    HighlightSeverity severity = (HighlightSeverity)getComboBox().getSelectedItem();
    if (severity == null) return HighlightDisplayLevel.WARNING;
    return HighlightDisplayLevel.find(severity);
  }

  public void setLevel(HighlightDisplayLevel level) {
    getComboBox().setSelectedItem(level.getSeverity());
  }
}