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Diffstat (limited to 'platform/platform-impl/src/com/intellij/codeInsight/editorActions/TextBlockTransferable.java')
-rw-r--r-- | platform/platform-impl/src/com/intellij/codeInsight/editorActions/TextBlockTransferable.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/platform/platform-impl/src/com/intellij/codeInsight/editorActions/TextBlockTransferable.java b/platform/platform-impl/src/com/intellij/codeInsight/editorActions/TextBlockTransferable.java new file mode 100644 index 000000000000..7d972816769c --- /dev/null +++ b/platform/platform-impl/src/com/intellij/codeInsight/editorActions/TextBlockTransferable.java @@ -0,0 +1,127 @@ +/* + * 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); + } + } +}
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