// 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.contrib.link;
import org.apache.hivemind.service.BodyBuilder;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.PageRenderSupport;
import org.apache.tapestry.TapestryUtils;
import org.apache.tapestry.components.ILinkComponent;
import org.apache.tapestry.engine.ILink;
import org.apache.tapestry.link.DefaultLinkRenderer;
/**
* This renderer emits javascript to launch the link in a window.
*
* @author David Solis
* @since 3.0.1
*/
public class PopupLinkRenderer extends DefaultLinkRenderer
{
private String _windowName;
private String _features;
public PopupLinkRenderer()
{
}
/**
* Initializes the name and features for javascript window.open function.
*
* @param windowName
* the window name
* @param features
* the window features
*/
public PopupLinkRenderer(String windowName, String features)
{
_windowName = windowName;
_features = features;
}
/**
* @see DefaultLinkRenderer#constructURL(org.apache.tapestry.components.ILinkComponent,
* org.apache.tapestry.IRequestCycle)
*/
protected String constructURL(ILinkComponent component, IRequestCycle cycle)
{
if (cycle.isRewinding()) {
return null;
}
String anchor = component.getAnchor();
ILink link = component.getLink(cycle);
String url = link.getURL(anchor, true);
PageRenderSupport support = TapestryUtils.getPageRenderSupport(cycle, component);
String functionName = support.getUniqueString("popup_window");
BodyBuilder builder = new BodyBuilder();
builder.addln("function {0}()", functionName);
builder.begin();
builder.addln(
"var newWindow = window.open({0}, {1}, {2});",
TapestryUtils.enquote(url),
TapestryUtils.enquote(getWindowName()),
TapestryUtils.enquote(getFeatures()));
builder.addln("newWindow.focus();");
builder.end();
support.addBodyScript(component, builder.toString());
return "javascript:" + functionName + "();";
}
public String getWindowName()
{
return _windowName;
}
public void setWindowName(String windowName)
{
_windowName = windowName;
}
public String getFeatures()
{
return _features;
}
public void setFeatures(String features)
{
_features = features;
}
}