diff options
Diffstat (limited to 'bundles/org.eclipse.wst.ws.explorer/wsexplorer-src/org/eclipse/wst/ws/internal/explorer/platform/perspective/History.java')
-rw-r--r-- | bundles/org.eclipse.wst.ws.explorer/wsexplorer-src/org/eclipse/wst/ws/internal/explorer/platform/perspective/History.java | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/bundles/org.eclipse.wst.ws.explorer/wsexplorer-src/org/eclipse/wst/ws/internal/explorer/platform/perspective/History.java b/bundles/org.eclipse.wst.ws.explorer/wsexplorer-src/org/eclipse/wst/ws/internal/explorer/platform/perspective/History.java deleted file mode 100644 index 44491de41..000000000 --- a/bundles/org.eclipse.wst.ws.explorer/wsexplorer-src/org/eclipse/wst/ws/internal/explorer/platform/perspective/History.java +++ /dev/null @@ -1,94 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 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 - *******************************************************************************/ - -package org.eclipse.wst.ws.internal.explorer.platform.perspective; - -import java.util.Vector; - -// A class representing a Vector of breadcrumbs. A position index is used -// to navigate through the data structure. -public class History -{ - private Vector items_; - private int position_; - - public History() - { - items_ = new Vector(); - position_ = -1; - } - - // Add a new breadcrumb to the history list. When adding a new breadcrumb - // within the current list, all breadcrumbs after the newly added one are - // removed. - public boolean addBreadCrumb(BreadCrumb b) - { - int numberOfItems = items_.size(); - if (numberOfItems == 0) - { - position_++; - items_.addElement(b); - return true; - } - else - { - BreadCrumb currentBreadCrumb = (BreadCrumb)items_.elementAt(position_); - if (!currentBreadCrumb.equals(b)) - { - position_++; - items_.insertElementAt(b,position_); - for (int i=items_.size()-1;i>position_;i--) - items_.removeElementAt(i); - return true; - } - } - return false; - } - - // Move forward within the history list and obtain the breadcrumb. - public BreadCrumb forward() - { - if (position_ < items_.size()-1) - { - position_++; - BreadCrumb b = (BreadCrumb)items_.elementAt(position_); - return b; - } - return null; - } - - // Move back within the history list and obtain the breadcrumb. - public BreadCrumb back() - { - if (position_ > 0) - { - position_--; - BreadCrumb b = (BreadCrumb)items_.elementAt(position_); - return b; - } - return null; - } - - public void removeCurrentBreadCrumb() - { - items_.removeElementAt(position_); - if (position_ > items_.size()-1) - position_--; - } - - public void dump() - { - for (int i=0;i<items_.size();i++) - { - items_.elementAt(i); - } - } -} |