| // Copyright 2004 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.wml; |
| |
| import org.apache.tapestry.ApplicationRuntimeException; |
| import org.apache.tapestry.IMarkupWriter; |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.engine.ILink; |
| import org.apache.tapestry.form.Form; |
| import org.apache.tapestry.valid.IValidationDelegate; |
| |
| /** |
| * The go element declares a go task, indicating navigation to a URI. If the URI |
| * names a WML card or deck, it is displayed. |
| * |
| * @version $Id$ |
| * @author David Solis |
| * @since 3.0 |
| * |
| **/ |
| |
| public abstract class Go extends Form |
| { |
| |
| /** @since 3.0 **/ |
| |
| protected void writeAttributes(IMarkupWriter writer, ILink link) |
| { |
| String method = getMethod(); |
| |
| writer.begin(getTag()); |
| writer.attribute("method", (method == null) ? "post" : method); |
| writer.attribute("href", link.getURL(null, false)); |
| } |
| |
| /** @since 3.0 **/ |
| |
| protected void writeHiddenField(IMarkupWriter writer, String name, String value) |
| { |
| writer.beginEmpty("postfield"); |
| writer.attribute("name", name); |
| writer.attribute("value", value); |
| writer.println(); |
| } |
| |
| /** |
| * This component doesn't support event handlers. |
| * |
| **/ |
| protected void emitEventHandlers(IMarkupWriter writer, IRequestCycle cycle) |
| { |
| } |
| |
| /** |
| * This component doesn't support delegate. |
| * |
| **/ |
| public IValidationDelegate getDelegate() |
| { |
| return null; |
| } |
| |
| public void setDelegate(IValidationDelegate delegate) |
| { |
| throw new ApplicationRuntimeException( |
| Tapestry.format("unsupported-property", this, "delegate")); |
| } |
| |
| protected String getTag() |
| { |
| return "go"; |
| } |
| |
| |
| protected String getDisplayName() |
| { |
| return "Go"; |
| } |
| } |