/*
* Copyright 2003-2016 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 jetbrains.mps.ide.ui.dialogs.properties;
import jetbrains.mps.ide.ui.dialogs.properties.persistence.FacetTabEP;
import jetbrains.mps.project.MPSProject;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.module.SModuleFacet;
import org.jetbrains.mps.openapi.ui.persistence.Tab;
import org.jetbrains.mps.openapi.ui.persistence.TabFactory;
import java.util.HashMap;
import java.util.Map;
/**
* Keeps track of tabs instantiated, hence its lifecycle shall not span single UI action
*/
final class FacetTabsPersistence {
private final Map<String, TabFactory> myFacetTabs = new HashMap<String, TabFactory>();
private final MPSProject myProject;
public FacetTabsPersistence(@NotNull MPSProject project) {
myProject = project;
}
/**
* Initialize {@link TabFactory tab factories} from {@link FacetTabEP extension point}
* @return <code>this</code> for convenience
*/
public FacetTabsPersistence initFromEP() {
FacetTabEP[] extensions = FacetTabEP.EP_NAME.getExtensions(myProject.getProject());
for (FacetTabEP extension : extensions) {
addTabFactory(extension.facetType, extension.getFacetTabFactory());
}
return this;
}
// may become public if there's need to populate this registry not from EP
private void addTabFactory(String facetType, @NotNull TabFactory tab) {
myFacetTabs.put(facetType, tab);
}
/**
* @return newly instantiated or existing tab instance for the given facet, <code>null</code> if facet doesn't need an UI.
*/
@Nullable
public Tab getFacetTab(@NotNull SModuleFacet moduleFacet) {
if(!myFacetTabs.containsKey(moduleFacet.getFacetType())) {
return null;
}
@SuppressWarnings("unchecked")
TabFactory<SModuleFacet> tabFactory = myFacetTabs.get(moduleFacet.getFacetType());
return tabFactory.getTab(moduleFacet);
}
}