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/*
* Copyright 2000-2014 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 com.intellij.ide.actions;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.fileEditor.ex.FileEditorManagerEx;
import com.intellij.openapi.fileEditor.impl.EditorWindow;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
/**
* @author Vladimir Kondratyev
* @author Konstantin Bulenkov
*/
public abstract class SplitAction extends AnAction implements DumbAware {
private final int myOrientation;
private final boolean myCloseSource;
protected SplitAction(final int orientation) {
this(orientation, false);
}
protected SplitAction(final int orientation, boolean closeSource) {
myOrientation = orientation;
myCloseSource = closeSource;
}
public void actionPerformed(final AnActionEvent event) {
final Project project = event.getData(CommonDataKeys.PROJECT);
final FileEditorManagerEx fileEditorManager = FileEditorManagerEx.getInstanceEx(project);
final EditorWindow window = event.getData(EditorWindow.DATA_KEY);
final VirtualFile file = event.getData(CommonDataKeys.VIRTUAL_FILE);
fileEditorManager.createSplitter(myOrientation, window);
if (myCloseSource && window != null && file != null) {
window.closeFile(file, false, false);
}
}
public void update(final AnActionEvent event) {
final Project project = event.getData(CommonDataKeys.PROJECT);
final EditorWindow window = event.getData(EditorWindow.DATA_KEY);
final int minimum = myCloseSource ? 2 : 1;
final boolean enabled = project != null
&& window != null
&& window.getTabCount() >= minimum
&& !window.getOwner().isPreview();
event.getPresentation().setEnabled(enabled);
}
}
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