JangarooFacetConfiguration.java

/*
 * Copyright 2009 CoreMedia AG
 *
 * 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 net.jangaroo.ide.idea;

import com.intellij.facet.FacetConfiguration;
import com.intellij.facet.ui.FacetEditorContext;
import com.intellij.facet.ui.FacetEditorTab;
import com.intellij.facet.ui.FacetValidatorsManager;
import com.intellij.openapi.util.InvalidDataException;
import com.intellij.openapi.util.WriteExternalException;
import com.intellij.openapi.components.PersistentStateComponent;
import com.intellij.openapi.roots.ModuleRootModel;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.xmlb.XmlSerializerUtil;
import net.jangaroo.ide.idea.jps.JoocConfigurationBean;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;

/**
 * Jangaroo IDEA Facet configuration.
 */
public class JangarooFacetConfiguration implements FacetConfiguration, PersistentStateComponent<JoocConfigurationBean> {

  private JoocConfigurationBean joocConfigurationBean = new JoocConfigurationBean();

  public FacetEditorTab[] createEditorTabs(FacetEditorContext facetEditorContext, FacetValidatorsManager facetValidatorsManager) {
    return new FacetEditorTab[]{ new JangarooFacetEditorTab(initJoocConfigurationBean(facetEditorContext))};
  }

  private synchronized JoocConfigurationBean initJoocConfigurationBean(@NotNull FacetEditorContext facetEditorContext) {
    if (joocConfigurationBean.outputPrefix == null) {
      ModuleRootModel rootModel = facetEditorContext.getRootModel();
      VirtualFile[] contentRoots = rootModel.getContentRoots();
      joocConfigurationBean.outputPrefix = contentRoots.length > 0 ? contentRoots[0].getPath() + "/" : "";
    }
    return joocConfigurationBean;
  }

  public void readExternal(Element element) throws InvalidDataException {
    // ignore
  }

  public void writeExternal(Element element) throws WriteExternalException {
    // ignore
  }

  public @NotNull JoocConfigurationBean getState() {
    return joocConfigurationBean;
  }

  public void loadState(JoocConfigurationBean state) {
    // copy into existing instance, as it may already be used by some JangarooFacetEditorTab:
    XmlSerializerUtil.copyBean(state, joocConfigurationBean);
  }
}