[jboss-svn-commits] JBL Code SVN: r35795 - labs/jbossrules/trunk/drools-guvnor/src/main/java/org/drools/guvnor/client/table.

[jboss-svn-commits at lists.jboss.org]

Author: ge0ffrey
Date: 2010-10-29 05:53:17 -0400 (Fri, 29 Oct 2010)
New Revision: 35795

Added:
   labs/jbossrules/trunk/drools-guvnor/src/main/java/org/drools/guvnor/client/table/SelectionColumn.java
Log:
SelectionColumn

Added: labs/jbossrules/trunk/drools-guvnor/src/main/java/org/drools/guvnor/client/table/SelectionColumn.java
===================================================================
--- labs/jbossrules/trunk/drools-guvnor/src/main/java/org/drools/guvnor/client/table/SelectionColumn.java	                        (rev 0)
+++ labs/jbossrules/trunk/drools-guvnor/src/main/java/org/drools/guvnor/client/table/SelectionColumn.java	2010-10-29 09:53:17 UTC (rev 35795)
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2010 JBoss Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.drools.guvnor.client.table;
+
+import com.google.gwt.cell.client.CheckboxCell;
+import com.google.gwt.cell.client.FieldUpdater;
+import com.google.gwt.safehtml.shared.SafeHtmlUtils;
+import com.google.gwt.user.cellview.client.CellTable;
+import com.google.gwt.user.cellview.client.Column;
+
+/**
+ * @author Geoffrey De Smet
+ */
+public class SelectionColumn<T> extends Column<T, Boolean> {
+
+    public static <T> void createAndAddSelectionColumn(CellTable<T> cellTable) {
+        SelectionColumn<T> selectionColumn = new SelectionColumn<T>(cellTable);
+        cellTable.addColumn(selectionColumn, SafeHtmlUtils.fromSafeConstant("<br>"));
+    }
+
+    private final CellTable<T> cellTable;
+
+    public SelectionColumn(CellTable<T> cellTable) {
+        super(new CheckboxCell(true));
+        this.cellTable = cellTable;
+        addUpdater();
+    }
+
+    private void addUpdater() {
+        setFieldUpdater(new FieldUpdater<T, Boolean>() {
+            public void update(int index, T object, Boolean value) {
+                cellTable.getSelectionModel().setSelected(object, value);
+            }
+        });
+    }
+
+    public Boolean getValue(T object) {
+        return cellTable.getSelectionModel().isSelected(object);
+    }
+
+}