java/compiler/openapi/src/com/intellij/packaging/elements/PackagingElementType.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.packaging.elements;
  17
  18 import com.intellij.openapi.extensions.ExtensionPointName;
  19 import com.intellij.openapi.extensions.Extensions;
  20 import com.intellij.openapi.project.Project;
  21 import com.intellij.packaging.artifacts.Artifact;
  22 import com.intellij.packaging.ui.ArtifactEditorContext;
  23 import com.intellij.packaging.ui.PackagingElementPropertiesPanel;
  24 import org.jetbrains.annotations.NonNls;
  25 import org.jetbrains.annotations.NotNull;
  26 import org.jetbrains.annotations.Nullable;
  27
  28 import javax.swing.*;
  29 import java.util.List;
  30
  31 /**
  32  * @author nik
  33  */
  34 public abstract class PackagingElementType<E extends PackagingElement<?>> {
  35   public static final ExtensionPointName<PackagingElementType> EP_NAME = ExtensionPointName.create("com.intellij.packaging.elementType");
  36   private final String myId;
  37   private final String myPresentableName;
  38
  39   protected PackagingElementType(@NotNull @NonNls String id, @NotNull String presentableName) {
  40     myId = id;
  41     myPresentableName = presentableName;
  42   }
  43
  44   public final String getId() {
  45     return myId;
  46   }
  47
  48   public String getPresentableName() {
  49     return myPresentableName;
  50   }
  51
  52   @Nullable
  53   public Icon getCreateElementIcon() {
  54     return null;
  55   }
  56
  57   public abstract boolean canCreate(@NotNull ArtifactEditorContext context, @NotNull Artifact artifact);
  58
  59   @NotNull
  60   public abstract List<? extends PackagingElement<?>> chooseAndCreate(@NotNull ArtifactEditorContext context, @NotNull Artifact artifact,
  61                                                                       @NotNull CompositePackagingElement<?> parent);
  62
  63   @NotNull
  64   public abstract E createEmpty(@NotNull Project project);
  65
  66   protected static <T extends PackagingElementType<?>> T getInstance(final Class<T> aClass) {
  67     for (PackagingElementType type : Extensions.getExtensions(EP_NAME)) {
  68       if (aClass.isInstance(type)) {
  69         return aClass.cast(type);
  70       }
  71     }
  72     throw new AssertionError();
  73   }
  74
  75   @Nullable
  76   public PackagingElementPropertiesPanel createElementPropertiesPanel(@NotNull E element, @NotNull ArtifactEditorContext context) {
  77     return null;
  78   }
  79 }