plugins/ui-designer/src/com/intellij/uiDesigner/actions/AbstractGuiEditorAction.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
  17 package com.intellij.uiDesigner.actions;
  18
  19 import com.intellij.openapi.actionSystem.AnAction;
  20 import com.intellij.openapi.actionSystem.AnActionEvent;
  21 import com.intellij.openapi.command.CommandProcessor;
  22 import com.intellij.uiDesigner.FormEditingUtil;
  23 import com.intellij.uiDesigner.radComponents.RadComponent;
  24 import com.intellij.uiDesigner.designSurface.GuiEditor;
  25 import org.jetbrains.annotations.NotNull;
  26 import org.jetbrains.annotations.Nullable;
  27
  28 import java.util.ArrayList;
  29 import java.util.List;
  30
  31 /**
  32  * @author yole
  33  */
  34 public abstract class AbstractGuiEditorAction extends AnAction {
  35   private final boolean myModifying;
  36
  37   protected AbstractGuiEditorAction() {
  38     myModifying = false;
  39   }
  40
  41   protected AbstractGuiEditorAction(final boolean modifying) {
  42     myModifying = modifying;
  43   }
  44
  45   public final void actionPerformed(final AnActionEvent e) {
  46     final GuiEditor editor = FormEditingUtil.getEditorFromContext(e.getDataContext());
  47     if (editor != null) {
  48       final ArrayList<RadComponent> selection = FormEditingUtil.getSelectedComponents(editor);
  49       if (myModifying) {
  50         if (!editor.ensureEditable()) return;
  51       }
  52       Runnable runnable = new Runnable() {
  53         public void run() {
  54           actionPerformed(editor, selection, e);
  55           if (myModifying) {
  56             editor.refreshAndSave(true);
  57           }
  58         }
  59       };
  60       if (getCommandName() != null) {
  61         CommandProcessor.getInstance().executeCommand(editor.getProject(), runnable, getCommandName(), null);
  62       }
  63       else {
  64         runnable.run();
  65       }
  66     }
  67   }
  68
  69   protected abstract void actionPerformed(final GuiEditor editor, final List<RadComponent> selection, final AnActionEvent e);
  70
  71   public final void update(AnActionEvent e) {
  72     GuiEditor editor = FormEditingUtil.getEditorFromContext(e.getDataContext());
  73     if (editor == null) {
  74       e.getPresentation().setVisible(false);
  75       e.getPresentation().setEnabled(false);
  76     }
  77     else {
  78       e.getPresentation().setVisible(true);
  79       e.getPresentation().setEnabled(true);
  80       final ArrayList<RadComponent> selection = FormEditingUtil.getSelectedComponents(editor);
  81       update(editor, selection, e);
  82     }
  83   }
  84
  85   protected void update(@NotNull GuiEditor editor, final ArrayList<RadComponent> selection, final AnActionEvent e) {
  86   }
  87
  88   @Nullable
  89   protected String getCommandName() {
  90     return null;
  91   }
  92 }