/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.wicket.component.link;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.MarkupStream;
import org.apache.wicket.markup.html.link.AbstractLink;
import org.apache.wicket.model.IModel;
import org.apache.wicket.util.string.Strings;
public class ExternalLink extends AbstractLink {
public static enum Target {
BLANK("_blank", null), PARENT("_parent", "window.parent.location"), SELF("_self", "window.location"), TOP("_top", "window.top.location");
private String attribute;
private String window;
private Target (String attribute, String window) {
this.attribute = attribute;
this.window = window;
}
public String asAttribute () {
return attribute;
}
public String asWindow () {
if (window == null) {
throw new WicketRuntimeException("Can not set the current 'window.blank' location via script");
}
return window;
}
}
private final IModel<String> label;
private Target target;
public ExternalLink (String id, IModel<String> hrefModel, Target target, IModel<String> labelModel) {
super(id);
this.target = target;
setDefaultModel(wrap(hrefModel));
label = wrap(labelModel);
}
protected void onComponentTag (ComponentTag tag) {
super.onComponentTag(tag);
if (tag.getName().equalsIgnoreCase("a") || tag.getName().equalsIgnoreCase("link") || tag.getName().equalsIgnoreCase("area")) {
tag.put("href", Strings.replaceAll(getDefaultModelObjectAsString(), "&", "&"));
tag.put("target", target.asAttribute());
}
else {
tag.put("onclick", target.asWindow() + "='" + getDefaultModelObjectAsString() + "';return false;");
}
}
public void onComponentTagBody (MarkupStream markupStream, ComponentTag openTag) {
if (!isLinkEnabled() && getBeforeDisabledLink() != null) {
getResponse().write(getBeforeDisabledLink());
}
if ((label != null) && (label.getObject() != null)) {
replaceComponentTagBody(markupStream, openTag, getDefaultModelObjectAsString(label.getObject()));
}
else {
super.onComponentTagBody(markupStream, openTag);
}
if (!isLinkEnabled() && getAfterDisabledLink() != null) {
getResponse().write(getAfterDisabledLink());
}
}
}