plugins/ui-designer/src/com/intellij/uiDesigner/editor/UIFormEditorProvider.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.uiDesigner.editor;
  17
  18 import com.intellij.openapi.application.ex.ApplicationManagerEx;
  19 import com.intellij.openapi.diagnostic.Logger;
  20 import com.intellij.openapi.fileEditor.FileEditor;
  21 import com.intellij.openapi.fileEditor.FileEditorPolicy;
  22 import com.intellij.openapi.fileEditor.FileEditorProvider;
  23 import com.intellij.openapi.fileEditor.FileEditorState;
  24 import com.intellij.openapi.fileTypes.FileTypeManager;
  25 import com.intellij.openapi.fileTypes.StdFileTypes;
  26 import com.intellij.openapi.module.ModuleUtil;
  27 import com.intellij.openapi.project.Project;
  28 import com.intellij.openapi.util.Disposer;
  29 import com.intellij.openapi.vfs.VirtualFile;
  30 import com.intellij.util.ArrayUtil;
  31 import org.jdom.Element;
  32 import org.jetbrains.annotations.NotNull;
  33
  34 public final class UIFormEditorProvider implements FileEditorProvider {
  35   private static final Logger LOG = Logger.getInstance("#com.intellij.uiDesigner.editor.UIFormEditorProvider");
  36
  37   public boolean accept(@NotNull final Project project, @NotNull final VirtualFile file){
  38     return
  39       FileTypeManager.getInstance().getFileTypeByFile(file) == StdFileTypes.GUI_DESIGNER_FORM &&
  40       !StdFileTypes.GUI_DESIGNER_FORM.isBinary() &&
  41       ModuleUtil.findModuleForFile(file, project) != null;
  42   }
  43
  44   @NotNull public FileEditor createEditor(@NotNull final Project project, @NotNull final VirtualFile file){
  45     LOG.assertTrue(accept(project, file));
  46     return new UIFormEditor(project, file);
  47   }
  48
  49   public void disposeEditor(@NotNull final FileEditor editor){
  50     Disposer.dispose(editor);
  51   }
  52
  53   @NotNull
  54   public FileEditorState readState(@NotNull final Element element, @NotNull final Project project, @NotNull final VirtualFile file){
  55     //TODO[anton,vova] implement
  56     return new MyEditorState(-1, ArrayUtil.EMPTY_STRING_ARRAY);
  57   }
  58
  59   public void writeState(@NotNull final FileEditorState state, @NotNull final Project project, @NotNull final Element element){
  60     //TODO[anton,vova] implement
  61   }
  62
  63   @NotNull public String getEditorTypeId(){
  64     return "ui-designer";
  65   }
  66
  67   @NotNull public FileEditorPolicy getPolicy() {
  68     return
  69       ApplicationManagerEx.getApplicationEx().isInternal() ?
  70       FileEditorPolicy.PLACE_BEFORE_DEFAULT_EDITOR : FileEditorPolicy.HIDE_DEFAULT_EDITOR;
  71   }
  72
  73 }