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Diffstat (limited to 'bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/structuremergeviewer/DiffNode.java')
| -rw-r--r-- | bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/structuremergeviewer/DiffNode.java | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/structuremergeviewer/DiffNode.java b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/structuremergeviewer/DiffNode.java deleted file mode 100644 index 7c73a6cc2..000000000 --- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/structuremergeviewer/DiffNode.java +++ /dev/null @@ -1,357 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.compare.structuremergeviewer; - -import java.text.MessageFormat; - -import org.eclipse.swt.graphics.Image; - -import org.eclipse.jface.util.ListenerList; - -import org.eclipse.compare.*; -import org.eclipse.compare.internal.Utilities; - -/** - * Diff node are used as the compare result of the differencing engine. - * Since it implements the <code>ITypedElement</code> and <code>ICompareInput</code> - * interfaces it can be used directly to display the - * compare result in a <code>DiffTreeViewer</code> and as the input to any other - * compare/merge viewer. - * <p> - * <code>DiffNode</code>s are typically created as the result of performing - * a compare with the <code>Differencer</code>. - * <p> - * Clients typically use this class as is, but may subclass if required. - * - * @see DiffTreeViewer - * @see Differencer - */ -public class DiffNode extends DiffContainer implements ITypedElement, ICompareInput { - - private ITypedElement fAncestor; - private ITypedElement fLeft; - private ITypedElement fRight; - private boolean fDontExpand; - private ListenerList fListener; - private boolean fSwapSides; - - - /** - * Creates a new <code>DiffNode</code> and initializes with the given values. - * - * @param parent under which the new container is added as a child or <code>null</code> - * @param kind of difference (defined in <code>Differencer</code>) - * @param ancestor the common ancestor input to a compare - * @param left the left input to a compare - * @param right the right input to a compare - */ - public DiffNode(IDiffContainer parent, int kind, ITypedElement ancestor, ITypedElement left, ITypedElement right) { - this(parent, kind); - fAncestor= ancestor; - fLeft= left; - fRight= right; - } - - /** - * Creates a new <code>DiffNode</code> with diff kind <code>Differencer.CHANGE</code> - * and initializes with the given values. - * - * @param left the left input to a compare - * @param right the right input to a compare - */ - public DiffNode(ITypedElement left, ITypedElement right) { - this(null, Differencer.CHANGE, null, left, right); - } - - /** - * Creates a new <code>DiffNode</code> and initializes with the given values. - * - * @param kind of difference (defined in <code>Differencer</code>) - * @param ancestor the common ancestor input to a compare - * @param left the left input to a compare - * @param right the right input to a compare - */ - public DiffNode(int kind, ITypedElement ancestor, ITypedElement left, ITypedElement right) { - this(null, kind, ancestor, left, right); - } - - /** - * Creates a new <code>DiffNode</code> with the given diff kind. - * - * @param kind of difference (defined in <code>Differencer</code>) - */ - public DiffNode(int kind) { - super(null, kind); - } - - /** - * Creates a new <code>DiffNode</code> and initializes with the given values. - * - * @param parent under which the new container is added as a child or <code>null</code> - * @param kind of difference (defined in <code>Differencer</code>) - */ - public DiffNode(IDiffContainer parent, int kind) { - super(parent, kind); - } - - /** - * Registers a listener for changes of this <code>ICompareInput</code>. - * Has no effect if an identical listener is already registered. - * - * @param listener the listener to add - */ - public void addCompareInputChangeListener(ICompareInputChangeListener listener) { - if (fListener == null) - fListener= new ListenerList(); - fListener.add(listener); - } - - /** - * Unregisters a <code>ICompareInput</code> listener. - * Has no effect if listener is not registered. - * - * @param listener the listener to remove - */ - public void removeCompareInputChangeListener(ICompareInputChangeListener listener) { - if (fListener != null) { - fListener.remove(listener); - if (fListener.isEmpty()) - fListener= null; - } - } - - /** - * Sends out notification that a change has occured on the <code>ICompareInput</code>. - */ - protected void fireChange() { - if (fListener != null) { - Object[] listeners= fListener.getListeners(); - for (int i= 0; i < listeners.length; i++) - ((ICompareInputChangeListener) listeners[i]).compareInputChanged(this); - } - } - - //---- getters & setters - - /** - * Returns <code>true</code> if this node shouldn't automatically be expanded in - * a </code>DiffTreeViewer</code>. - * - * @return <code>true</code> if node shouldn't automatically be expanded - */ - public boolean dontExpand() { - return fDontExpand; - } - - /** - * Controls whether this node is not automatically expanded when displayed in - * a </code>DiffTreeViewer</code>. - * - * @param dontExpand if <code>true</code> this node is not automatically expanded in </code>DiffTreeViewer</code> - */ - public void setDontExpand(boolean dontExpand) { - fDontExpand= dontExpand; - } - - /** - * Returns the first not-<code>null</code> input of this node. - * Method checks the three inputs in the order: ancestor, right, left. - * - * @return the first not-<code>null</code> input of this node - */ - public ITypedElement getId() { - if (fAncestor != null) - return fAncestor; - if (fRight != null) - return fRight; - return fLeft; - } - - /** - * Returns the (non-<code>null</code>) name of the left or right side if they are identical. - * Otherwise both names are concatenated (separated with a slash ('/')). - * <p> - * Subclasses may re-implement to provide a different name for this node. - */ - /* (non Javadoc) - * see ITypedElement.getName - */ - public String getName() { - String right= null; - if (fRight != null) - right= fRight.getName(); - - String left= null; - if (fLeft != null) - left= fLeft.getName(); - - if (right == null && left == null) { - if (fAncestor != null) - return fAncestor.getName(); - return Utilities.getString("DiffNode.noName"); //$NON-NLS-1$ - } - - if (right == null) - return left; - if (left == null) - return right; - - if (right.equals(left)) - return right; - - String s1; - String s2; - - if (fSwapSides) { - s1= left; - s2= right; - } else { - s1= right; - s2= left; - } - - String fmt= Utilities.getString("DiffNode.nameFormat"); //$NON-NLS-1$ - return MessageFormat.format(fmt, new String[] { s1, s2 }); - } - - void swapSides(boolean swap) { - fSwapSides= swap; - } - - /* (non Javadoc) - * see ITypedElement.getImage - */ - public Image getImage() { - ITypedElement id= getId(); - if (id != null) - return id.getImage(); - return null; - } - - /* (non Javadoc) - * see ITypedElement.getType - */ - public String getType() { - ITypedElement id= getId(); - if (id != null) - return id.getType(); - return ITypedElement.UNKNOWN_TYPE; - } - - /* (non Javadoc) - * see ICompareInput.getAncestor - */ - public ITypedElement getAncestor() { - return fAncestor; - } - - /** - * Sets the left input to the given value. - * - * @param left the new value for the left input - */ - public void setLeft(ITypedElement left) { - fLeft= left; - } - - /* (non Javadoc) - * see ICompareInput.getLeft - */ - public ITypedElement getLeft() { - return fLeft; - } - - /** - * Sets the right input to the given value. - * - * @param right the new value for the right input - */ - public void setRight(ITypedElement right) { - fRight= right; - } - - /* (non Javadoc) - * see ICompareInput.getRight - */ - public ITypedElement getRight() { - return fRight; - } - - /* (non Javadoc) - * see ICompareInput.copy - */ - public void copy(boolean leftToRight) { - //System.out.println("DiffNode.copy: " + leftToRight); - - IDiffContainer pa= getParent(); - if (pa instanceof ICompareInput) { - ICompareInput parent= (ICompareInput) pa; - Object dstParent= leftToRight ? parent.getRight() : parent.getLeft(); - - if (dstParent instanceof IEditableContent) { - ITypedElement dst= leftToRight ? getRight() : getLeft(); - ITypedElement src= leftToRight ? getLeft() : getRight(); - dst= ((IEditableContent)dstParent).replace(dst, src); - if (leftToRight) - setRight(dst); - else - setLeft(dst); - - //setKind(Differencer.NO_CHANGE); - - fireChange(); - } - } - } - - /* (non Javadoc) - * see Object.hashCode - */ - public int hashCode() { - String[] path= getPath(this, 0); - int hashCode= 1; - for (int i= 0; i < path.length; i++) { - String s= path[i]; - hashCode= (31*hashCode) + (s != null ? s.hashCode() : 0); - } - return hashCode; - } - - /* (non Javadoc) - * see Object.equals - */ - public boolean equals(Object other) { - if (other != null && getClass() == other.getClass()) { - String[] path1= getPath(this, 0); - String[] path2= getPath((DiffNode) other, 0); - if (path1.length != path2.length) - return false; - for (int i= 0; i < path1.length; i++) - if (! path1[i].equals(path2[i])) - return false; - return true; - } - return super.equals(other); - } - - private static String[] getPath(ITypedElement el, int level) { - String[] path= null; - if (el instanceof IDiffContainer) { - IDiffContainer parent= ((IDiffContainer)el).getParent(); - if (parent instanceof ITypedElement) - path= getPath(parent, level+1); - } - if (path == null) - path= new String[level+1]; - path[(path.length-1)-level]= el.getName(); - return path; - } -} |