Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.isis.viewer.wicket.ui.components.widgets.zclip; import com.google.common.io.Resources; import org.apache.wicket.SharedResources; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.core.util.resource.UrlResourceStream; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.OnDomReadyHeaderItem; import org.apache.wicket.markup.html.link.AbstractLink; import org.apache.wicket.model.IModel; import org.apache.wicket.request.Url; import org.apache.wicket.request.resource.ResourceStreamResource; import org.apache.wicket.request.resource.SharedResourceReference; import org.apache.isis.core.metamodel.adapter.ObjectAdapter; public final class ZeroClipboardLink extends AjaxLink<ObjectAdapter> { /** * @see #addSharedResourceTo(SharedResources) */ private static final String SHARED_RESOURCE_NAME = ZeroClipboardLink.class.getName(); /** * Relative to this class. */ private static final String FILE_NAME_SWF = "ZeroClipboard.swf"; private final String linkJQuerySelector; private final CharSequence zeroClipboardSwfUrl; private final String baseUrl; private static final long serialVersionUID = 1L; public static void addSharedResourceTo(SharedResources sharedResources) { sharedResources.add(ZeroClipboardLink.SHARED_RESOURCE_NAME, ZeroClipboardLink.newSwfFileResource()); } private static ResourceStreamResource newSwfFileResource() { return new ResourceStreamResource( new UrlResourceStream(Resources.getResource(ZeroClipboardLink.class, FILE_NAME_SWF))); } // ////////////////////////////////////// public ZeroClipboardLink(String id, AbstractLink linkComponent) { this(id, "#" + linkComponent.getMarkupId()); } public ZeroClipboardLink(String id, String linkJQuerySelector) { super(id); this.linkJQuerySelector = linkJQuerySelector; this.zeroClipboardSwfUrl = getRequestCycle().getUrlRenderer() .renderFullUrl(Url.parse(urlFor(new SharedResourceReference(SHARED_RESOURCE_NAME), null))); this.baseUrl = getRequestCycle().getUrlRenderer().renderFullUrl(Url.parse(".")); } @Override public void onClick(AjaxRequestTarget target) { // (nothing to do) } @Override public void renderHead(IHeaderResponse response) { super.renderHead(response); final StringBuilder buf = new StringBuilder(); buf.append(jQuerySelectorOf("#" + getMarkupId()) + ".zclip({"); buf.append(" path:'" + zeroClipboardSwfUrl + "'"); buf.append(" ,copy: function(){ return " + quote(baseUrl) + "+" + jQueryLinkSelector() + ".attr(\"href\"); }"); buf.append("});"); buf.append(jQuerySelectorOf("#" + getMarkupId()) + ".zclip('show')"); String js = buf.toString(); response.render(OnDomReadyHeaderItem.forScript(js)); } private String jQueryLinkSelector() { return jQuerySelectorOf(linkJQuerySelector); } private static String jQuerySelectorOf(String selector) { return "$('" + selector + "')"; } private static String quote(final String baseUrl) { return "\"" + baseUrl + "\""; } }