| /* |
| * 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.codeInsight.editorActions; |
| |
| import com.intellij.openapi.editor.RawText; |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.openapi.util.text.StringUtil; |
| |
| import java.awt.datatransfer.DataFlavor; |
| import java.awt.datatransfer.Transferable; |
| import java.awt.datatransfer.UnsupportedFlavorException; |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class TextBlockTransferable implements Transferable { |
| private final Collection<TextBlockTransferableData> myExtraData; |
| private final RawText myRawText; |
| private final String myText; |
| private final DataFlavor[] myTransferDataFlavors; |
| |
| public TextBlockTransferable(String text, Collection<TextBlockTransferableData> extraData, RawText rawText) { |
| myText = text; |
| myExtraData = extraData; |
| myRawText = rawText; |
| |
| List<DataFlavor> dataFlavors = new ArrayList<DataFlavor>(); |
| Collections.addAll(dataFlavors, DataFlavor.stringFlavor, DataFlavor.plainTextFlavor); |
| final DataFlavor flavor = RawText.getDataFlavor(); |
| if (myRawText != null && flavor != null) { |
| dataFlavors.add(flavor); |
| } |
| for(TextBlockTransferableData data: extraData) { |
| final DataFlavor blockFlavor = data.getFlavor(); |
| if (blockFlavor != null) { |
| dataFlavors.add(blockFlavor); |
| } |
| } |
| myTransferDataFlavors = dataFlavors.toArray(new DataFlavor[dataFlavors.size()]); |
| } |
| |
| @Override |
| public DataFlavor[] getTransferDataFlavors() { |
| return myTransferDataFlavors; |
| } |
| |
| @Override |
| public boolean isDataFlavorSupported(DataFlavor flavor) { |
| DataFlavor[] flavors = getTransferDataFlavors(); |
| for (DataFlavor flavor1 : flavors) { |
| if (flavor.equals(flavor1)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException { |
| try { |
| for(TextBlockTransferableData data: myExtraData) { |
| if (Comparing.equal(data.getFlavor(), flavor)) { |
| return data; |
| } |
| } |
| if (myRawText != null && Comparing.equal(RawText.getDataFlavor(), flavor)) { |
| return myRawText; |
| } |
| else if (DataFlavor.stringFlavor.equals(flavor)) { |
| return myText; |
| } |
| else if (DataFlavor.plainTextFlavor.equals(flavor)) { |
| return new StringReader(myText); |
| } |
| } |
| catch(NoClassDefFoundError e) { |
| // ignore |
| } |
| throw new UnsupportedFlavorException(flavor); |
| } |
| |
| public static String convertLineSeparators(String text, |
| String newSeparator, |
| Collection<TextBlockTransferableData> transferableDatas) { |
| if (transferableDatas.size() > 0){ |
| int size = 0; |
| for(TextBlockTransferableData data: transferableDatas) { |
| size += data.getOffsetCount(); |
| } |
| |
| int[] offsets = new int[size]; |
| int index = 0; |
| for(TextBlockTransferableData data: transferableDatas) { |
| index = data.getOffsets(offsets, index); |
| } |
| |
| text = StringUtil.convertLineSeparators(text, newSeparator, offsets); |
| |
| index = 0; |
| for(TextBlockTransferableData data: transferableDatas) { |
| index = data.setOffsets(offsets, index); |
| } |
| |
| return text; |
| } |
| else{ |
| return StringUtil.convertLineSeparators(text, newSeparator); |
| } |
| } |
| } |