Java tutorial
/** * * Copyright 2015 sourceforge. * * 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.cleanlogic.cesiumjs4gwt.showcase.basic; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.http.client.*; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.Composite; import org.cleanlogic.cesiumjs4gwt.showcase.components.ShowcaseSearchPanel; /** * * @author Frank Wynants * * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group * @email giuseppe.lascaleia@geosdi.org */ public abstract class AbstractSourceButton extends Composite implements ClickHandler { protected Button button; private String sourceCodeURL; public AbstractSourceButton(String source) { this.button = new Button(ShowcaseSearchPanel.I18N.viewSource(source), this); super.initWidget(button); } /** * @param sourceCodeURL the sourceCodeURL to set */ public void setSourceCodeURL(String sourceCodeURL) { String[] sourceCodeURLParts = sourceCodeURL.split("/"); button.setText( button.getText() + " - " + sourceCodeURLParts[sourceCodeURLParts.length - 1].replace(".txt", "")); this.sourceCodeURL = sourceCodeURL; } /* * (non-Javadoc) * @see com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event.dom.client.ClickEvent) */ public void onClick(ClickEvent event) { RequestBuilder reqBuilder = new RequestBuilder(RequestBuilder.GET, this.sourceCodeURL); try { reqBuilder.sendRequest("", new RequestCallback() { public void onResponseReceived(Request request, Response response) { showSourceCode(response.getText()); } public void onError(Request request, Throwable exception) { } }); } catch (RequestException ex) { } } protected native void doFormat() /*-{ $wnd.SyntaxHighlighter.highlight(); }-*/; protected abstract void showSourceCode(String sourceCode); }