From 512ba8f80c0a2422f9e58a1401cb142db190a56c Mon Sep 17 00:00:00 2001 From: Paul Duffin Date: Wed, 6 May 2020 12:55:46 +0000 Subject: Revert "Remove unused project." This reverts commit eaada771a6e62ca494a625ce1b060f1a94fa9877. Reason for revert: Breaks build_test and other builds Bug: 155862492 Change-Id: I1a14b84d54b05596ec250b31ae56e437cf49fd81 --- .../internal/editors/ui/tree/CopyCutAction.java | 221 +++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/CopyCutAction.java (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/CopyCutAction.java') diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/CopyCutAction.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/CopyCutAction.java new file mode 100644 index 000000000..3fe98bb23 --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/CopyCutAction.java @@ -0,0 +1,221 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php + * + * 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.android.ide.eclipse.adt.internal.editors.ui.tree; + +import com.android.ide.eclipse.adt.AdtPlugin; +import com.android.ide.eclipse.adt.internal.editors.AndroidXmlEditor; +import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode; + +import org.apache.xml.serialize.Method; +import org.apache.xml.serialize.OutputFormat; +import org.apache.xml.serialize.XMLSerializer; +import org.eclipse.jface.action.Action; +import org.eclipse.jface.text.BadLocationException; +import org.eclipse.swt.dnd.Clipboard; +import org.eclipse.swt.dnd.TextTransfer; +import org.eclipse.swt.dnd.Transfer; +import org.eclipse.ui.ISharedImages; +import org.eclipse.ui.PlatformUI; +import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; +import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; +import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; +import org.eclipse.wst.xml.core.internal.document.NodeContainer; +import org.w3c.dom.Element; +import org.w3c.dom.Node; + +import java.io.IOException; +import java.io.StringWriter; +import java.util.ArrayList; +import java.util.List; + + +/** + * Provides Cut and Copy actions for the tree nodes. + */ +@SuppressWarnings({"restriction", "deprecation"}) +public class CopyCutAction extends Action { + private List mUiNodes; + private boolean mPerformCut; + private final AndroidXmlEditor mEditor; + private final Clipboard mClipboard; + private final ICommitXml mXmlCommit; + + /** + * Creates a new Copy or Cut action. + * + * @param selected The UI node to cut or copy. It *must* have a non-null XML node. + * @param performCut True if the operation is cut, false if it is copy. + */ + public CopyCutAction(AndroidXmlEditor editor, Clipboard clipboard, ICommitXml xmlCommit, + UiElementNode selected, boolean performCut) { + this(editor, clipboard, xmlCommit, toList(selected), performCut); + } + + /** + * Creates a new Copy or Cut action. + * + * @param selected The UI nodes to cut or copy. They *must* have a non-null XML node. + * The list becomes owned by the {@link CopyCutAction}. + * @param performCut True if the operation is cut, false if it is copy. + */ + public CopyCutAction(AndroidXmlEditor editor, Clipboard clipboard, ICommitXml xmlCommit, + List selected, boolean performCut) { + super(performCut ? "Cut" : "Copy"); + mEditor = editor; + mClipboard = clipboard; + mXmlCommit = xmlCommit; + + ISharedImages images = PlatformUI.getWorkbench().getSharedImages(); + if (performCut) { + setImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_CUT)); + setHoverImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_CUT_HOVER)); + setDisabledImageDescriptor( + images.getImageDescriptor(ISharedImages.IMG_TOOL_CUT_DISABLED)); + } else { + setImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_COPY)); + setHoverImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_COPY_HOVER)); + setDisabledImageDescriptor( + images.getImageDescriptor(ISharedImages.IMG_TOOL_COPY_DISABLED)); + } + + mUiNodes = selected; + mPerformCut = performCut; + } + + /** + * Performs the cut or copy action. + * First an XML serializer is used to turn the existing XML node into a valid + * XML fragment, which is added as text to the clipboard. + */ + @Override + public void run() { + super.run(); + if (mUiNodes == null || mUiNodes.size() < 1) { + return; + } + + // Commit the current pages first, to make sure the XML is in sync. + // Committing may change the XML structure. + if (mXmlCommit != null) { + mXmlCommit.commitPendingXmlChanges(); + } + + StringBuilder allText = new StringBuilder(); + ArrayList nodesToCut = mPerformCut ? new ArrayList() : null; + + for (UiElementNode uiNode : mUiNodes) { + try { + Node xml_node = uiNode.getXmlNode(); + if (xml_node == null) { + return; + } + + String data = getXmlTextFromEditor(xml_node); + + // In the unlikely event that IStructuredDocument failed to extract the text + // directly from the editor, try to fall back on a direct XML serialization + // of the XML node. This uses the generic Node interface with no SSE tricks. + if (data == null) { + data = getXmlTextFromSerialization(xml_node); + } + + if (data != null) { + allText.append(data); + if (mPerformCut) { + // only remove notes to cut if we actually got some XML text from them + nodesToCut.add(uiNode); + } + } + + } catch (Exception e) { + AdtPlugin.log(e, "CopyCutAction failed for UI node %1$s", //$NON-NLS-1$ + uiNode.getBreadcrumbTrailDescription(true)); + } + } // for uiNode + + if (allText != null && allText.length() > 0) { + mClipboard.setContents( + new Object[] { allText.toString() }, + new Transfer[] { TextTransfer.getInstance() }); + if (mPerformCut) { + for (UiElementNode uiNode : nodesToCut) { + uiNode.deleteXmlNode(); + } + } + } + } + + /** Get the data directly from the editor. */ + private String getXmlTextFromEditor(Node xml_node) { + String data = null; + IStructuredModel model = mEditor.getModelForRead(); + try { + IStructuredDocument sse_doc = mEditor.getStructuredDocument(); + if (xml_node instanceof NodeContainer) { + // The easy way to get the source of an SSE XML node. + data = ((NodeContainer) xml_node).getSource(); + } else if (xml_node instanceof IndexedRegion && sse_doc != null) { + // Try harder. + IndexedRegion region = (IndexedRegion) xml_node; + int start = region.getStartOffset(); + int end = region.getEndOffset(); + + if (end > start) { + data = sse_doc.get(start, end - start); + } + } + } catch (BadLocationException e) { + // the region offset was invalid. ignore. + } finally { + model.releaseFromRead(); + } + return data; + } + + /** + * Direct XML serialization of the XML node. + *

+ * This uses the generic Node interface with no SSE tricks. It's however slower + * and doesn't respect formatting (since serialization is involved instead of reading + * the actual text buffer.) + */ + private String getXmlTextFromSerialization(Node xml_node) throws IOException { + String data; + StringWriter sw = new StringWriter(); + XMLSerializer serializer = new XMLSerializer(sw, + new OutputFormat(Method.XML, + OutputFormat.Defaults.Encoding /* utf-8 */, + true /* indent */)); + // Serialize will throw an IOException if it fails. + serializer.serialize((Element) xml_node); + data = sw.toString(); + return data; + } + + /** + * Static helper class to wrap on node into a list for the constructors. + */ + private static ArrayList toList(UiElementNode selected) { + ArrayList list = null; + if (selected != null) { + list = new ArrayList(1); + list.add(selected); + } + return list; + } +} + -- cgit v1.2.3