| // Copyright 2004, 2005 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.form; |
| |
| import org.apache.tapestry.IMarkupWriter; |
| import org.apache.tapestry.IRequestCycle; |
| |
| /** |
| * Implementation of {@link IPropertySelectionRenderer} that produces a |
| * <select> element (containing <option> elements). |
| * |
| * @author Howard Lewis Ship |
| */ |
| |
| public class SelectPropertySelectionRenderer implements IPropertySelectionRenderer |
| { |
| |
| /** |
| * Writes the <select> element. If the {@link PropertySelection} is |
| * {@link PropertySelection#isDisabled() disabled} then a |
| * <code>disabled</code> attribute is written into the tag (though |
| * Navigator 4 will ignore this). |
| */ |
| |
| public void beginRender(PropertySelection component, IMarkupWriter writer, IRequestCycle cycle) |
| { |
| writer.begin("select"); |
| writer.attribute("name", component.getName()); |
| |
| if (component.isDisabled()) |
| writer.attribute("disabled", "disabled"); |
| |
| writer.println(); |
| } |
| |
| /** |
| * Closes the <select> element. |
| */ |
| |
| public void endRender(PropertySelection component, IMarkupWriter writer, |
| IRequestCycle cycle) |
| { |
| writer.end(); // <select> |
| } |
| |
| /** |
| * Writes an <option> element. |
| */ |
| |
| public void renderOption(PropertySelection component, IMarkupWriter writer, |
| IRequestCycle cycle, IPropertySelectionModel model, Object option, |
| int index, boolean selected) |
| { |
| writer.beginEmpty("option"); |
| writer.attribute("value", model.getValue(index)); |
| |
| if (selected) writer.attribute("selected", "selected"); |
| |
| writer.print(model.getLabel(index)); |
| |
| writer.end(); |
| |
| writer.println(); |
| } |
| } |