RFE#1231112-Make the rule table columns sortable (thanks to Brian R)

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@3698 51baf565-9d33-0410-a72c-fc3788e3496d
2005-07-12 16:34:25 +00:00
parent 4325081455
commit 54a3243824
1 changed files with 112 additions and 0 deletions
--- a/pmd-eclipse/src/net/sourceforge/pmd/eclipse/preferences/RuleTableViewerSorter.java
+++ b/pmd-eclipse/src/net/sourceforge/pmd/eclipse/preferences/RuleTableViewerSorter.java
@ -0,0 +1,112 @@
+/*
+ * Created on 8 juil. 2005
+ *
+ * Copyright (c) 2005, PMD for Eclipse Development Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * The end-user documentation included with the redistribution, if
+ *       any, must include the following acknowledgement:
+ *       "This product includes software developed in part by support from
+ *        the Defense Advanced Research Project Agency (DARPA)"
+ *     * Neither the name of "PMD for Eclipse Development Team" nor the names of its
+ *       contributors may be used to endorse or promote products derived from
+ *       this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package net.sourceforge.pmd.eclipse.preferences;
+
+import java.util.Comparator;
+
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerSorter;
+
+/**
+ * Sorter for the rule table in the PMD Preference page
+ * 
+ * @author Herlin
+ * @version $Revision$
+ * 
+ * $Log$
+ * Revision 1.1  2005/07/12 16:34:25  phherlin
+ * RFE#1231112-Make the rule table columns sortable (thanks to Brian R)
+ *
+ *
+ */
+
+public class RuleTableViewerSorter extends ViewerSorter {
+    private Comparator comparator;
+    private boolean sortDescending = false;
+    
+    /**
+     * Constructor
+     * @param comparator the initial comparator
+     */
+    public RuleTableViewerSorter(Comparator comparator) {
+        this.comparator = comparator;
+    }
+    
+    /**
+     * @return Returns the sortDescending.
+     */
+    public boolean isSortDescending() {
+        return this.sortDescending;
+    }
+    
+    /**
+     * @param sortDescending The sortDescending to set.
+     */
+    public void setSortDescending(boolean sortDescending) {
+        this.sortDescending = sortDescending;
+    }
+    
+    /**
+     * @return Returns the comparator.
+     */
+    public Comparator getComparator() {
+        return this.comparator;
+    }
+    
+    /**
+     * Set a comparator. If the same comparator is already set, then change
+     * the sorting order.
+     * @param comparator The comparator to set.
+     */
+    public void setComparator(Comparator comparator) {
+        if (this.comparator != comparator) {
+            this.comparator = comparator;
+        } else {
+            this.sortDescending = !sortDescending;
+        }
+    }
+
+    /**
+     * @see org.eclipse.jface.viewers.ViewerSorter#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
+     */
+    public int compare(Viewer viewer, Object e1, Object e2) {
+        int result = this.comparator.compare(e1,e2);
+        return this.sortDescending ? 0 - result : result;
+    }
+
+    
+}