/*
* Copyright 2000-2015 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.openapi.editor.actions;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.editor.Caret;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.EditorCopyPasteHelper;
import com.intellij.openapi.editor.EditorModificationUtil;
import com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler;
import com.intellij.util.Producer;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.annotations.RequiredDispatchThread;
import consulo.annotations.RequiredWriteAction;
import java.awt.datatransfer.Transferable;
public class BasePasteHandler extends EditorWriteActionHandler {
protected Transferable myTransferable;
@Override
public boolean isEnabledForCaret(@NotNull Editor editor, @NotNull Caret caret, DataContext dataContext) {
return !editor.isViewer();
}
@RequiredDispatchThread
@Override
public void doExecute(Editor editor, @Nullable Caret caret, DataContext dataContext) {
// We capture the contents to paste here, so it that it won't be affected by possible clipboard operations later (e.g. during unlocking
// of current file for writing)
myTransferable = getContentsToPaste(editor, dataContext);
try {
super.doExecute(editor, caret, dataContext);
}
finally {
myTransferable = null;
}
}
@RequiredWriteAction
@Override
public void executeWriteAction(Editor editor, @Nullable Caret caret, DataContext dataContext) {
if (myTransferable != null) {
EditorCopyPasteHelper.getInstance().pasteTransferable(editor, myTransferable);
}
}
protected Transferable getContentsToPaste(Editor editor, DataContext dataContext) {
Producer<Transferable> producer = PasteAction.TRANSFERABLE_PROVIDER.getData(dataContext);
return EditorModificationUtil.getContentsToPasteToEditor(producer);
}
}