| // 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.contrib.inspector; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.tapestry.ApplicationRuntimeException; |
| import org.apache.tapestry.BaseComponent; |
| import org.apache.tapestry.IDirect; |
| import org.apache.tapestry.IEngine; |
| import org.apache.tapestry.IMarkupWriter; |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.IResourceLocation; |
| import org.apache.tapestry.IScript; |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.engine.IEngineService; |
| import org.apache.tapestry.engine.ILink; |
| import org.apache.tapestry.engine.IScriptSource; |
| import org.apache.tapestry.html.Body; |
| |
| /** |
| * Component that can be placed into application pages that will launch |
| * the inspector in a new window. |
| * |
| * [<a href="../../../../../../ComponentReference/InspectorButton.html">Component Reference</a>] |
| * |
| * <p>Because the InspectorButton component is implemented using a {@link org.apache.tapestry.html.Rollover}, |
| * the containing page must use a {@link Body} component instead of |
| * a <body> tag. |
| * |
| * @version $Id$ |
| * @author Howard Lewis Ship |
| * |
| **/ |
| |
| public class InspectorButton extends BaseComponent implements IDirect |
| { |
| private boolean _disabled = false; |
| |
| /** |
| * Gets the listener for the link component. |
| * |
| * @since 1.0.5 |
| **/ |
| |
| public void trigger(IRequestCycle cycle) |
| { |
| String name = getNamespace().constructQualifiedName("Inspector"); |
| |
| Inspector inspector = (Inspector) cycle.getPage(name); |
| |
| inspector.inspect(getPage().getPageName(), cycle); |
| } |
| |
| /** |
| * Renders the script, then invokes the normal implementation. |
| * |
| * @since 1.0.5 |
| **/ |
| |
| protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
| { |
| if (_disabled || cycle.isRewinding()) |
| return; |
| |
| IEngine engine = getPage().getEngine(); |
| IScriptSource source = engine.getScriptSource(); |
| |
| IResourceLocation scriptLocation = |
| getSpecification().getSpecificationLocation().getRelativeLocation( |
| "InspectorButton.script"); |
| |
| IScript script = source.getScript(scriptLocation); |
| |
| Map symbols = new HashMap(); |
| |
| IEngineService service = engine.getService(Tapestry.DIRECT_SERVICE); |
| ILink link = service.getLink(cycle, this, null); |
| |
| symbols.put("URL", link.getURL()); |
| |
| Body body = Body.get(cycle); |
| |
| if (body == null) |
| throw new ApplicationRuntimeException( |
| Tapestry.getMessage("InspectorButton.must-be-contained-by-body"), |
| this, |
| null, |
| null); |
| |
| script.execute(cycle, body, symbols); |
| |
| // Now, go render the rest from the template. |
| |
| super.renderComponent(writer, cycle); |
| } |
| |
| public boolean isDisabled() |
| { |
| return _disabled; |
| } |
| |
| public void setDisabled(boolean disabled) |
| { |
| _disabled = disabled; |
| } |
| |
| /** |
| * Always returns false. |
| * |
| * @since 2.3 |
| * |
| **/ |
| |
| public boolean isStateful() |
| { |
| return false; |
| } |
| |
| } |