diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/PasteAction.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/PasteAction.java | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/PasteAction.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/PasteAction.java new file mode 100644 index 000000000..6674ba9ca --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/ui/tree/PasteAction.java @@ -0,0 +1,129 @@ +/* + * 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.UiDocumentNode; +import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode; + +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.ui.ISharedImages; +import org.eclipse.ui.PlatformUI; +import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; +import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; +import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; +import org.eclipse.wst.xml.core.internal.document.NodeContainer; +import org.w3c.dom.Node; + + +/** + * Provides Paste operation for the tree nodes + */ +@SuppressWarnings("restriction") +public class PasteAction extends Action { + private UiElementNode mUiNode; + private final AndroidXmlEditor mEditor; + private final Clipboard mClipboard; + + public PasteAction(AndroidXmlEditor editor, Clipboard clipboard, UiElementNode ui_node) { + super("Paste"); + mEditor = editor; + mClipboard = clipboard; + + ISharedImages images = PlatformUI.getWorkbench().getSharedImages(); + setImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_PASTE)); + setHoverImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_PASTE)); + setDisabledImageDescriptor( + images.getImageDescriptor(ISharedImages.IMG_TOOL_PASTE_DISABLED)); + + mUiNode = ui_node; + } + + /** + * Performs the paste operation. + */ + @Override + public void run() { + super.run(); + + final String data = (String) mClipboard.getContents(TextTransfer.getInstance()); + if (data != null) { + mEditor.wrapEditXmlModel(new Runnable() { + @Override + public void run() { + try { + IStructuredDocument sse_doc = mEditor.getStructuredDocument(); + if (sse_doc != null) { + if (mUiNode.getDescriptor().hasChildren()) { + // This UI Node can have children. The new XML is + // inserted as the first child. + + if (mUiNode.getUiChildren().size() > 0) { + // There's already at least one child, + // so insert right before it. + Node xml_node = mUiNode.getUiChildren().get(0).getXmlNode(); + + if (xml_node instanceof IndexedRegion) { + IndexedRegion region = (IndexedRegion) xml_node; + sse_doc.replace(region.getStartOffset(), 0, data); + return; // we're done, no need to try the other cases + } + } + + // If there's no first XML node child. Create one by + // inserting at the end of the *start* tag. + Node xml_node = mUiNode.getXmlNode(); + if (xml_node instanceof NodeContainer) { + NodeContainer container = (NodeContainer) xml_node; + IStructuredDocumentRegion start_tag = + container.getStartStructuredDocumentRegion(); + if (start_tag != null) { + sse_doc.replace(start_tag.getEndOffset(), 0, data); + return; // we're done, no need to try the other case + } + } + } + + // This UI Node doesn't accept children. The new XML is inserted as the + // next sibling. This also serves as a fallback if all the previous + // attempts failed. However, this is not possible if the current node + // has for parent a document -- an XML document can only have one root, + // with no siblings. + if (!(mUiNode.getUiParent() instanceof UiDocumentNode)) { + Node xml_node = mUiNode.getXmlNode(); + if (xml_node instanceof IndexedRegion) { + IndexedRegion region = (IndexedRegion) xml_node; + sse_doc.replace(region.getEndOffset(), 0, data); + } + } + } + + } catch (BadLocationException e) { + AdtPlugin.log(e, + "ParseAction failed for UI Node %2$s, content '%1$s'", //$NON-NLS-1$ + mUiNode.getBreadcrumbTrailDescription(true), data); + } + } + }); + } + } +} + |