[wicket] 02/02: WICKET-6886 LambdaChoiceRenderer with unit tests
This is an automated email from the ASF dual-hosted git repository. svenmeier pushed a commit to branch wicket-8.x in repository https://gitbox.apache.org/repos/asf/wicket.git commit bf24867bd61ae3fb4ecd083d74ae736a113f0f07 Author: Roland Kurucz AuthorDate: Fri May 21 22:04:04 2021 +0200 WICKET-6886 LambdaChoiceRenderer with unit tests --- .../markup/html/form/LambdaChoiceRenderer.java | 131 + .../markup/html/form/LambdaChoiceRendererTest.java | 90 ++ 2 files changed, 221 insertions(+) diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java new file mode 100644 index 000..79070fa --- /dev/null +++ b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java @@ -0,0 +1,131 @@ +/* + * 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.wicket.markup.html.form; + +import org.danekja.java.util.function.serializable.SerializableFunction; + +/** + * Renders one choice. Separates the 'id' values used for internal representation from 'display + * values' which are the values shown to the user of components that use this renderer. + * + * Usage: + * + * + * new DropDownChoice("users", new Model (selectedUser), listOfUsers, + * new LambdaChoiceRenderer (User::getName)) + * + * + * creates a DropDownChoice of users and the display value will be looked up by function + * (User::getName) and the id the index of the object in the ListOfUsers + * + * + * + * + * new DropDownChoice ("users", new Model (selectedUser), listOfUsers, + * new LambdaChoiceRenderer (User::getName, User::getId)) + * + * + * creates a DropDownChoice of users and the display value will be looked up by function + * (User::getName) and the id will be looked up by the function (User::getId) + * + * + * @param The model object type + * @author + */ +public class LambdaChoiceRenderer implements IChoiceRenderer { +private static final long serialVersionUID = 1L; + +/** + * function for getting the display value. + */ +private final SerializableFunction displayExpression; + +/** + * function for getting the id. + */ +private final SerializableFunction idExpression; + +/** + * Constructor. + * + * When you use this constructor, the display value will be determined by calling + * toString() on the list object, and the id will be based on the list index. the id value will + * be the index + */ +public LambdaChoiceRenderer() { +this(null); +} + +/** + * Constructor. + * + * When you use this constructor, the display value will be determined by executing + * the given function on the list object, and the id will be based on the list index. + * The display value will be calculated by the given function + * + * @param displayExpression A function to get the display value + */ +public LambdaChoiceRenderer(SerializableFunction displayExpression) { +this(displayExpression, null); +} + +/** + * Constructor. + * + * When you use this constructor, both the id and the display value will be + * determined by executing the given functions on the list object. + * + * @param displayExpression A function to get the display value + * @param idExpression A function to get the id value + */ +public LambdaChoiceRenderer(SerializableFunction displayExpression, SerializableFunction idExpression) { +this.displayExpression = displayExpression; +this.idExpression = idExpression; +} + +@Override +public Object getDisplayValue(T object) { +Object returnValue = object; +if ((displayExpression != null) && (object != null)) { +returnValue = displayExpression.apply(object); +} + +if (returnValue == null) { +return ""; +} + +return returnValue; +} + +@Override +public String getIdValue(T object, int index) { +if (idExpression == null) { +return I
[wicket] 02/02: WICKET-6886 LambdaChoiceRenderer with unit tests
This is an automated email from the ASF dual-hosted git repository. svenmeier pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/wicket.git commit 6a930ee1fa7e1b657a5703c11b86ee51685a9e30 Author: Roland Kurucz AuthorDate: Fri May 21 22:04:04 2021 +0200 WICKET-6886 LambdaChoiceRenderer with unit tests --- .../markup/html/form/LambdaChoiceRenderer.java | 131 + .../markup/html/form/LambdaChoiceRendererTest.java | 90 ++ 2 files changed, 221 insertions(+) diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java new file mode 100644 index 000..79070fa --- /dev/null +++ b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java @@ -0,0 +1,131 @@ +/* + * 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.wicket.markup.html.form; + +import org.danekja.java.util.function.serializable.SerializableFunction; + +/** + * Renders one choice. Separates the 'id' values used for internal representation from 'display + * values' which are the values shown to the user of components that use this renderer. + * + * Usage: + * + * + * new DropDownChoice("users", new Model (selectedUser), listOfUsers, + * new LambdaChoiceRenderer (User::getName)) + * + * + * creates a DropDownChoice of users and the display value will be looked up by function + * (User::getName) and the id the index of the object in the ListOfUsers + * + * + * + * + * new DropDownChoice ("users", new Model (selectedUser), listOfUsers, + * new LambdaChoiceRenderer (User::getName, User::getId)) + * + * + * creates a DropDownChoice of users and the display value will be looked up by function + * (User::getName) and the id will be looked up by the function (User::getId) + * + * + * @param The model object type + * @author + */ +public class LambdaChoiceRenderer implements IChoiceRenderer { +private static final long serialVersionUID = 1L; + +/** + * function for getting the display value. + */ +private final SerializableFunction displayExpression; + +/** + * function for getting the id. + */ +private final SerializableFunction idExpression; + +/** + * Constructor. + * + * When you use this constructor, the display value will be determined by calling + * toString() on the list object, and the id will be based on the list index. the id value will + * be the index + */ +public LambdaChoiceRenderer() { +this(null); +} + +/** + * Constructor. + * + * When you use this constructor, the display value will be determined by executing + * the given function on the list object, and the id will be based on the list index. + * The display value will be calculated by the given function + * + * @param displayExpression A function to get the display value + */ +public LambdaChoiceRenderer(SerializableFunction displayExpression) { +this(displayExpression, null); +} + +/** + * Constructor. + * + * When you use this constructor, both the id and the display value will be + * determined by executing the given functions on the list object. + * + * @param displayExpression A function to get the display value + * @param idExpression A function to get the id value + */ +public LambdaChoiceRenderer(SerializableFunction displayExpression, SerializableFunction idExpression) { +this.displayExpression = displayExpression; +this.idExpression = idExpression; +} + +@Override +public Object getDisplayValue(T object) { +Object returnValue = object; +if ((displayExpression != null) && (object != null)) { +returnValue = displayExpression.apply(object); +} + +if (returnValue == null) { +return ""; +} + +return returnValue; +} + +@Override +public String getIdValue(T object, int index) { +if (idExpression == null) { +return Integ
[wicket] 02/02: WICKET-6886 LambdaChoiceRenderer with unit tests
This is an automated email from the ASF dual-hosted git repository. svenmeier pushed a commit to branch wicket-9.x in repository https://gitbox.apache.org/repos/asf/wicket.git commit bf4a90185fb8be2ceecfaeb3fa1003c166fe7761 Author: Roland Kurucz AuthorDate: Fri May 21 22:04:04 2021 +0200 WICKET-6886 LambdaChoiceRenderer with unit tests --- .../markup/html/form/LambdaChoiceRenderer.java | 131 + .../markup/html/form/LambdaChoiceRendererTest.java | 90 ++ 2 files changed, 221 insertions(+) diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java new file mode 100644 index 000..79070fa --- /dev/null +++ b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/LambdaChoiceRenderer.java @@ -0,0 +1,131 @@ +/* + * 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.wicket.markup.html.form; + +import org.danekja.java.util.function.serializable.SerializableFunction; + +/** + * Renders one choice. Separates the 'id' values used for internal representation from 'display + * values' which are the values shown to the user of components that use this renderer. + * + * Usage: + * + * + * new DropDownChoice("users", new Model (selectedUser), listOfUsers, + * new LambdaChoiceRenderer (User::getName)) + * + * + * creates a DropDownChoice of users and the display value will be looked up by function + * (User::getName) and the id the index of the object in the ListOfUsers + * + * + * + * + * new DropDownChoice ("users", new Model (selectedUser), listOfUsers, + * new LambdaChoiceRenderer (User::getName, User::getId)) + * + * + * creates a DropDownChoice of users and the display value will be looked up by function + * (User::getName) and the id will be looked up by the function (User::getId) + * + * + * @param The model object type + * @author + */ +public class LambdaChoiceRenderer implements IChoiceRenderer { +private static final long serialVersionUID = 1L; + +/** + * function for getting the display value. + */ +private final SerializableFunction displayExpression; + +/** + * function for getting the id. + */ +private final SerializableFunction idExpression; + +/** + * Constructor. + * + * When you use this constructor, the display value will be determined by calling + * toString() on the list object, and the id will be based on the list index. the id value will + * be the index + */ +public LambdaChoiceRenderer() { +this(null); +} + +/** + * Constructor. + * + * When you use this constructor, the display value will be determined by executing + * the given function on the list object, and the id will be based on the list index. + * The display value will be calculated by the given function + * + * @param displayExpression A function to get the display value + */ +public LambdaChoiceRenderer(SerializableFunction displayExpression) { +this(displayExpression, null); +} + +/** + * Constructor. + * + * When you use this constructor, both the id and the display value will be + * determined by executing the given functions on the list object. + * + * @param displayExpression A function to get the display value + * @param idExpression A function to get the id value + */ +public LambdaChoiceRenderer(SerializableFunction displayExpression, SerializableFunction idExpression) { +this.displayExpression = displayExpression; +this.idExpression = idExpression; +} + +@Override +public Object getDisplayValue(T object) { +Object returnValue = object; +if ((displayExpression != null) && (object != null)) { +returnValue = displayExpression.apply(object); +} + +if (returnValue == null) { +return ""; +} + +return returnValue; +} + +@Override +public String getIdValue(T object, int index) { +if (idExpression == null) { +return I
