1 files changed, 0 insertions, 287 deletions

diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dnd/DragNodeCommand.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dnd/DragNodeCommand.java
deleted file mode 100644
index 3f5c66fab0..0000000000
--- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dnd/DragNodeCommand.java
+++ /dev/null
@@ -1,287 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2007 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *     Jens Lukowski/Innoopract - initial renaming/restructuring
- *     
- *******************************************************************************/
-package org.eclipse.wst.xml.ui.internal.dnd;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Hashtable;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Vector;
-
-import org.eclipse.jface.viewers.StructuredSelection;
-import org.eclipse.jface.viewers.TreeViewer;
-import org.eclipse.swt.dnd.DND;
-import org.eclipse.wst.common.ui.internal.dnd.DefaultDragAndDropCommand;
-import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.eclipse.wst.xml.ui.internal.Logger;
-import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
-import org.w3c.dom.Attr;
-import org.w3c.dom.DOMException;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-
-public class DragNodeCommand extends DefaultDragAndDropCommand {
-	private List fSelections;
-	private TreeViewer fTreeViewer;
-
-	public DragNodeCommand(Object target, float location, int operations, int operation, Collection sources, TreeViewer treeViewer) {
-		super(target, location, operations, operation, sources);
-		fTreeViewer = treeViewer;
-		fSelections = new ArrayList();
-	}
-
-	private void beginModelChange(Node node, boolean batchUpdate) {
-		IStructuredModel structuredModel = getStructuredModel(node);
-		if (structuredModel != null) {
-			String undoDesc = new String();
-			if (getOperation() == DND.DROP_MOVE) {
-				undoDesc = XMLUIMessages.DragNodeCommand_0;
-			}
-			else if (getOperation() == DND.DROP_COPY) {
-				undoDesc = XMLUIMessages.DragNodeCommand_1;
-			}
-
-			structuredModel.beginRecording(this, undoDesc);
-			if (batchUpdate) {
-				// structuredModel.aboutToChangeModel();
-			}
-		}
-	}
-
-	public boolean canExecute() {
-		return executeHelper(true);
-	}
-
-	private boolean doModify(Node source, Node parentNode, Node refChild, boolean testOnly) {
-		boolean result = false;
-		if (source.getNodeType() == Node.ATTRIBUTE_NODE) {
-			Attr sourceAttribute = (Attr) source;
-			Element sourceAttributeOwnerElement = sourceAttribute.getOwnerElement();
-			if ((parentNode.getNodeType() == Node.ELEMENT_NODE) && (sourceAttributeOwnerElement != parentNode)) {
-				result = true;
-				if (!testOnly) {
-					try {
-						if (getOperation() == DND.DROP_MOVE) {
-							Element targetElement = (Element) parentNode;
-							sourceAttributeOwnerElement.removeAttributeNode(sourceAttribute);
-							targetElement.getAttributes().setNamedItem(sourceAttribute);
-							fSelections.add(sourceAttribute);
-							}
-						else if (getOperation() == DND.DROP_COPY) {
-							Attr cloneAttribute = (Attr) sourceAttribute.cloneNode(false);
-							Element targetElement = (Element) parentNode;
-							targetElement.getAttributes().setNamedItem(cloneAttribute);
-							fSelections.add(cloneAttribute);
-						}
-					}
-					catch (Exception e) {
-						Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
-					}
-				}
-			}
-		}
-		else {
-			if (((parentNode.getNodeType() == Node.ELEMENT_NODE) || (parentNode.getNodeType() == Node.DOCUMENT_NODE)) && !(refChild instanceof Attr)) {
-				result = true;
-
-				if (!testOnly) {
-					try {
-						if (isAncestor(source, parentNode)) {
-							// System.out.println("can not perform this drag drop
-							// operation.... todo... pop up dialog");
-						}
-						else {
-							// defect 221055 this test is required or else the
-							// node will
-							// be removed from the tree and the insert will fail
-							if (source != refChild) {
-								if (getOperation() == DND.DROP_MOVE) {
-									Node oldParent = source.getParentNode();
-									Node oldSibling = source.getNextSibling();
-									oldParent.removeChild(source);
-									try {
-										parentNode.insertBefore(source, refChild);
-									} catch (DOMException e) {
-										// bug151692 - if unable to move node to new location, reinsert back to old location
-										oldParent.insertBefore(source, oldSibling);
-									}
-									fSelections.add(source);
-								}
-								else if (getOperation() == DND.DROP_COPY) {
-									Node nodeClone = source.cloneNode(true);
-									parentNode.insertBefore(nodeClone, refChild);
-									fSelections.add(nodeClone);
-								}
-							}
-						}
-					}
-					catch (Exception e) {
-						Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
-					}
-				}
-			}
-		}
-		return result;
-	}
-
-	private void endModelChange(Node node, boolean batchUpdate) {
-		IStructuredModel structuredModel = getStructuredModel(node);
-		if (structuredModel != null) {
-			structuredModel.endRecording(this);
-			if (batchUpdate) {
-				// structuredModel.changedModel();
-			}
-		}
-	}
-
-	public void execute() {
-		executeHelper(false);
-
-		// Make our selection if the treeViewer != null
-		if (fTreeViewer != null) {
-			StructuredSelection structuredSelection = new StructuredSelection(fSelections);
-			fTreeViewer.setSelection(structuredSelection);
-		}
-	}
-
-	private boolean executeHelper(boolean testOnly) {
-		boolean result = true;
-		if (target instanceof Node) {
-			Node targetNode = (Node) target;
-			Node parentNode = getParentForDropPosition(targetNode);
-			Node refChild = getRefChild(targetNode);
-
-			Vector sourcesList = new Vector();
-			sourcesList.addAll(sources);
-
-			removeMemberDescendants(sourcesList);
-			boolean performBatchUpdate = sourcesList.size() > 5;
-
-			if (!testOnly) {
-				beginModelChange(targetNode, performBatchUpdate);
-			}
-			for (Iterator i = sourcesList.iterator(); i.hasNext();) {
-				Object source = i.next();
-				if (source instanceof Node) {
-					if (!((refChild == null) && (targetNode instanceof Attr))) {
-						result = doModify((Node) source, parentNode, refChild, testOnly);
-					}
-					else {
-						result = false;
-					}
-					if (!result) {
-						break;
-					}
-				}
-			}
-			if (!testOnly) {
-				endModelChange(targetNode, performBatchUpdate);
-			}
-		}
-		else {
-			result = false;
-		}
-		return result;
-	}
-
-
-	public int getFeedback() {
-		int result = DND.FEEDBACK_SELECT;
-		if (location > 0.75) {
-			result = DND.FEEDBACK_INSERT_AFTER;
-		}
-		else if (location < 0.25) {
-			result = DND.FEEDBACK_INSERT_BEFORE;
-		}
-		return result;
-	}
-
-	private Node getParentForDropPosition(Node node) {
-		Node result = null;
-
-		int feedback = getFeedback();
-		if (feedback == DND.FEEDBACK_SELECT) {
-			result = node;
-		}
-		else {
-			result = getParentOrOwner(node);
-		}
-		return result;
-	}
-
-
-	private Node getParentOrOwner(Node node) {
-		return (node.getNodeType() == Node.ATTRIBUTE_NODE) ? ((Attr) node).getOwnerElement() : node.getParentNode();
-	}
-
-
-	private Node getRefChild(Node node) {
-		Node result = null;
-
-		int feedback = getFeedback();
-
-		if (feedback == DND.FEEDBACK_INSERT_BEFORE) {
-			result = node;
-		}
-		else if (feedback == DND.FEEDBACK_INSERT_AFTER) {
-			result = node.getNextSibling();
-		}
-		return result;
-	}
-
-	private IStructuredModel getStructuredModel(Node node) {
-		IStructuredModel result = null;
-		if (node instanceof IDOMNode) {
-			result = ((IDOMNode) node).getModel();
-		}
-		return result;
-	}
-
-	// returns true if a is an ancestore of b
-	//
-	private boolean isAncestor(Node a, Node b) {
-		boolean result = false;
-		for (Node parent = b; parent != null; parent = parent.getParentNode()) {
-			if (parent == a) {
-				result = true;
-				break;
-			}
-		}
-		return result;
-	}
-
-
-	/**
-	 * This method removes members of the list that have ancestors that are
-	 * also members of the list.
-	 */
-	private void removeMemberDescendants(List list) {
-		Hashtable table = new Hashtable();
-		for (Iterator i = list.iterator(); i.hasNext();) {
-			Object node = i.next();
-			table.put(node, node);
-		}
-
-		for (int i = list.size() - 1; i >= 0; i--) {
-			Node node = (Node) list.get(i);
-			for (Node parent = getParentOrOwner(node); parent != null; parent = getParentOrOwner(parent)) {
-				if (table.get(parent) != null) {
-					list.remove(i);
-					break;
-				}
-			}
-		}
-	}
-}