You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@pivot.apache.org by rw...@apache.org on 2017/05/24 15:58:57 UTC
svn commit: r1796076 - in /pivot/trunk/wtk/src/org/apache/pivot/wtk/content:
ListViewIndexBindMapping.java SpinnerIndexBindMapping.java
Author: rwhitcomb
Date: Wed May 24 15:58:57 2017
New Revision: 1796076
URL: http://svn.apache.org/viewvc?rev=1796076&view=rev
Log:
Add two convenience classes for ListView and Spinner that implement the
respective ItemBindMapping interfaces in terms of an Integer value that
represents just the index value for the selected item.
Added:
pivot/trunk/wtk/src/org/apache/pivot/wtk/content/ListViewIndexBindMapping.java
pivot/trunk/wtk/src/org/apache/pivot/wtk/content/SpinnerIndexBindMapping.java
Added: pivot/trunk/wtk/src/org/apache/pivot/wtk/content/ListViewIndexBindMapping.java
URL: http://svn.apache.org/viewvc/pivot/trunk/wtk/src/org/apache/pivot/wtk/content/ListViewIndexBindMapping.java?rev=1796076&view=auto
==============================================================================
--- pivot/trunk/wtk/src/org/apache/pivot/wtk/content/ListViewIndexBindMapping.java (added)
+++ pivot/trunk/wtk/src/org/apache/pivot/wtk/content/ListViewIndexBindMapping.java Wed May 24 15:58:57 2017
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to you 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.apache.pivot.wtk.content;
+
+import org.apache.pivot.collections.List;
+import org.apache.pivot.wtk.ListView;
+
+
+/**
+ * A {@link ListView.ItemBindMapping} that loads and stores just
+ * the index itself instead of the selected item. This is a convenience
+ * class for users where the data stored is just the index of the item.
+ */
+public class ListViewIndexBindMapping implements ListView.ItemBindMapping
+{
+ /**
+ * Called during <tt>load</tt>, and <tt>value</tt> is what is
+ * stored in our data object (which is the <tt>Integer</tt>
+ * index value).
+ *
+ * @param listData The <tt>ListView</tt>'s data list.
+ * @param value The object value to map to an index in this list
+ * (which is an <tt>Integer</tt> value).
+ * @return The value converted to an integer, or <tt>-1</tt>
+ * if the value is out of range of the list size.
+ */
+ @Override
+ public int indexOf(List<?> listData, Object value) {
+ if (value instanceof Integer) {
+ int iValue = ((Integer)value).intValue();
+ if (iValue >= -1 && iValue < listData.getLength()) {
+ return iValue;
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * Called during <tt>store</tt>, and <tt>index</tt> is the
+ * selected item index. We are going to just return an
+ * <tt>Integer</tt> representing the index itself.
+ *
+ * @param listData The underlying data for the <tt>ListView</tt>.
+ * @param index The index value to convert to a "storable" value.
+ * @return The <tt>Integer</tt> value of the index.
+ */
+ @Override
+ public Object get(List<?> listData, int index) {
+ return Integer.valueOf(index);
+ }
+
+}
Added: pivot/trunk/wtk/src/org/apache/pivot/wtk/content/SpinnerIndexBindMapping.java
URL: http://svn.apache.org/viewvc/pivot/trunk/wtk/src/org/apache/pivot/wtk/content/SpinnerIndexBindMapping.java?rev=1796076&view=auto
==============================================================================
--- pivot/trunk/wtk/src/org/apache/pivot/wtk/content/SpinnerIndexBindMapping.java (added)
+++ pivot/trunk/wtk/src/org/apache/pivot/wtk/content/SpinnerIndexBindMapping.java Wed May 24 15:58:57 2017
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to you 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.apache.pivot.wtk.content;
+
+import org.apache.pivot.collections.List;
+import org.apache.pivot.wtk.Spinner;
+
+
+/**
+ * A {@link Spinner.ItemBindMapping} that loads and stores just
+ * the index itself instead of the selected item. This is a convenience
+ * class for users where the data stored is just the index of the item.
+ */
+public class SpinnerIndexBindMapping implements Spinner.ItemBindMapping
+{
+ /**
+ * Called during <tt>load</tt>, and <tt>value</tt> is what is
+ * stored in our data object (which is the <tt>Integer</tt>
+ * index value).
+ *
+ * @param spinnerData The <tt>Spinner</tt>'s data list.
+ * @param value The object value to map to an index in this list
+ * (which is an <tt>Integer</tt> value).
+ * @return The value converted to an integer, or <tt>-1</tt>
+ * if the value is out of range of the data list size.
+ */
+ @Override
+ public int indexOf(List<?> spinnerData, Object value) {
+ if (value instanceof Integer) {
+ int iValue = ((Integer)value).intValue();
+ if (iValue >= -1 && iValue < spinnerData.getLength()) {
+ return iValue;
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * Called during <tt>store</tt>, and <tt>index</tt> is the
+ * selected item index. We are going to just return an
+ * <tt>Integer</tt> representing the index itself.
+ *
+ * @param spinnerData The underlying data for the <tt>Spinner</tt>.
+ * @param index The index value to convert to a "storable" value.
+ * @return The <tt>Integer</tt> value of the index.
+ */
+ @Override
+ public Object get(List<?> spinnerData, int index) {
+ return Integer.valueOf(index);
+ }
+
+}