| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| package org.eclipse.compare.contentmergeviewer; |
| |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.jface.viewers.IContentProvider; |
| |
| |
| /** |
| * A content provider that mediates between a <code>ContentMergeViewer</code>'s model |
| * and the viewer itself. |
| * <p> |
| * Clients may implement this interface. |
| * </p> |
| * |
| * @see ContentMergeViewer |
| */ |
| public interface IMergeViewerContentProvider extends IContentProvider { |
| |
| //---- ancestor side |
| |
| /** |
| * Returns the label for the ancestor side of a <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the label for the ancestor side of a <code>ContentMergeViewer</code> |
| */ |
| String getAncestorLabel(Object input); |
| |
| /** |
| * Returns an optional image for the ancestor side of a <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the image for the ancestor side of a <code>ContentMergeViewer</code>, |
| * or <code>null</code> if none |
| */ |
| Image getAncestorImage(Object input); |
| |
| /** |
| * Returns the contents for the ancestor side of a <code>ContentMergeViewer</code>. |
| * The interpretation of the returned object depends on the concrete <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the content for the ancestor side of a <code>ContentMergeViewer</code>, |
| * or <code>null</code> if none |
| */ |
| Object getAncestorContent(Object input); |
| |
| /** |
| * Returns whether the ancestor side of the given input element should be shown. |
| * |
| * @return <code>true</code> if the ancestor side of the given input element should be shown |
| */ |
| boolean showAncestor(Object input); |
| |
| //---- left side |
| |
| /** |
| * Returns the label for the left side of a <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the label for the left side of a <code>ContentMergeViewer</code> |
| */ |
| String getLeftLabel(Object input); |
| |
| /** |
| * Returns an optional image for the left side of a <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the image for the left side of a <code>ContentMergeViewer</code>, |
| * or <code>null</code> if none |
| */ |
| Image getLeftImage(Object input); |
| |
| /** |
| * Returns the contents for the left side of a <code>ContentMergeViewer</code>. |
| * The interpretation of the returned object depends on the concrete <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the content for the left side of a <code>ContentMergeViewer</code>, |
| * or <code>null</code> if none |
| */ |
| Object getLeftContent(Object input); |
| |
| /** |
| * Returns whether the left side is editable. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return <code>true</code> if the left side of a <code>ContentMergeViewer</code> is editable |
| */ |
| boolean isLeftEditable(Object input); |
| |
| /** |
| * Saves new contents for the left side of the <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @param bytes the new contents to save for the left side |
| */ |
| void saveLeftContent(Object input, byte[] bytes); |
| |
| //---- right side |
| |
| /** |
| * Returns the label for the right side of a <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the label for the right side of a <code>ContentMergeViewer</code> |
| */ |
| String getRightLabel(Object input); |
| |
| /** |
| * Returns an optional image for the right side of a <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the image for the right side of a <code>ContentMergeViewer</code>, |
| * or <code>null</code> if none |
| */ |
| Image getRightImage(Object input); |
| |
| /** |
| * Returns the contents for the right side of a <code>ContentMergeViewer</code>. |
| * The interpretation of the returned object depends on the concrete <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return the content for the right side of a <code>ContentMergeViewer</code>, |
| * or <code>null</code> if none |
| */ |
| Object getRightContent(Object input); |
| |
| /** |
| * Returns whether the right side is editable. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @return <code>true</code> if the right side of a <code>ContentMergeViewer</code> is editable |
| */ |
| boolean isRightEditable(Object input); |
| |
| /** |
| * Saves new contents for the right side of the <code>ContentMergeViewer</code>. |
| * |
| * @param input the input object of the <code>ContentMergeViewer</code> |
| * @param bytes the new contents to save for the right side |
| */ |
| void saveRightContent(Object input, byte[] bytes); |
| } |
| |
| |