images/src/org/intellij/images/editor/actions/ZoomOutAction.java

   1 /*
   2  * Copyright 2004-2005 Alexey Efimov
   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 org.intellij.images.editor.actions;
  17
  18 import com.intellij.openapi.actionSystem.AnAction;
  19 import com.intellij.openapi.actionSystem.AnActionEvent;
  20 import org.intellij.images.editor.ImageEditor;
  21 import org.intellij.images.editor.ImageZoomModel;
  22 import org.intellij.images.editor.actionSystem.ImageEditorActionUtil;
  23
  24 /**
  25  * Zoom out.
  26  *
  27  * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a>
  28  * @see ImageEditor#getZoomModel
  29  */
  30 public final class ZoomOutAction extends AnAction {
  31     public void actionPerformed(AnActionEvent e) {
  32         ImageEditor editor = ImageEditorActionUtil.getValidEditor(e);
  33         if (editor != null) {
  34             ImageZoomModel zoomModel = editor.getZoomModel();
  35             zoomModel.zoomOut();
  36         }
  37     }
  38
  39     public void update(AnActionEvent e) {
  40         super.update(e);
  41         if (ImageEditorActionUtil.setEnabled(e)) {
  42             ImageEditor editor = ImageEditorActionUtil.getValidEditor(e);
  43             ImageZoomModel zoomModel = editor.getZoomModel();
  44             e.getPresentation().setEnabled(zoomModel.canZoomOut());
  45         }
  46     }
  47 }