ensemble.samplepage.SourceTab Maven / Gradle / Ivy
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*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* the documentation and/or other materials provided with the distribution.
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* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package ensemble.samplepage;
import ensemble.EnsembleApp;
import ensemble.SampleInfo.URL;
import ensemble.util.Utils;
import ensemble.util.WebViewWrapper;
import javafx.application.ConditionalFeature;
import javafx.application.Platform;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.Tab;
import javafx.scene.control.TextArea;
import javafx.scene.control.Tooltip;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.StackPane;
import java.util.regex.Pattern;
/**
* Source code tab - Shows Syntax highlighted source if web view is available if not just plain text.
*/
class SourceTab extends Tab {
public SourceTab(URL sourceURL) {
super(sourceURL.getName());
String url = sourceURL.getURL();
String ext = url.substring(url.lastIndexOf('.')).toLowerCase();
switch (ext) {
case ".java":
case ".css":
case ".fxml":
String source = Utils.loadFile(getClass().getResource(url));
if (EnsembleApp.IS_EMBEDDED || EnsembleApp.IS_IOS || EnsembleApp.IS_ANDROID || !Platform.isSupported(ConditionalFeature.WEB)) {
// TODO: Convert to TextFlow
// TextFlow textFlow = TextFlowBuilder.create()
// .build();
//
// Reader r = new BufferedReader(new InputStreamReader(getClass().getResourceAsStream(url)));
TextArea textArea = new TextArea(source);
textArea.setStyle("-fx-font-family: 'Courier New';");
textArea.setEditable(false);
setContent(textArea);
} else {
String html = convertToHTML(source);
setContent(WebViewWrapper.createWebView(html));
}
break;
case ".jpg":
case ".png":
ImageView imageView = new ImageView(new Image(url));
StackPane stackPane = new StackPane(imageView);
ScrollPane scrollPane = new ScrollPane(stackPane);
scrollPane.setFitToHeight(true);
scrollPane.setFitToWidth(true);
setContent(scrollPane);
break;
}
setTooltip(new Tooltip(url));
}
private static final Pattern JAVA_DOC_PATTERN = Pattern.compile("(^\\s+\\*$\\s)?^\\s+\\*\\s+@.*$\\s",Pattern.MULTILINE);
private static String shCoreJs;
private static String shBrushJScript;
private static String shCoreDefaultCss;
private static String convertToHTML(String source) {
// load syntax highlighter
if (shCoreJs == null) {
shCoreJs = Utils.loadFile(EnsembleApp.class.getResource("syntaxhighlighter/shCore.js")) +";";
}
if (shBrushJScript == null) {
shBrushJScript = Utils.loadFile(EnsembleApp.class.getResource("syntaxhighlighter/shBrushJava.js"));
}
if (shCoreDefaultCss == null) {
shCoreDefaultCss = Utils.loadFile(EnsembleApp.class.getResource("syntaxhighlighter/shCoreDefault.css")).replaceAll("!important","");
}
// split copy right and source
String[] parts = source.split("\\*/",2);
String copyRight = null;
if (parts.length > 1) {
copyRight = parts[0]+"*/";
source = parts[1];
}
// remove JavaDoc @xxxx lines
source = JAVA_DOC_PATTERN.matcher(source).replaceAll("");
// escape < & >
source = source.replaceAll("&","&");
source = source.replaceAll("<","<");
source = source.replaceAll(">",">");
source = source.replaceAll("\"",""");
source = source.replaceAll("\'","'");
// create content
StringBuilder html = new StringBuilder();
html.append("\n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append("\n");
if (copyRight != null) {
html.append(" /* ....Show License.... */\n");
html.append(" \n");
}
html.append(" \n");
html.append(source);
html.append('\n');
html.append(" \n");
html.append(" \n");
html.append("\n");
html.append("\n");
// System.out.println("------------------------------------------------------------");
// System.out.println(html);
// System.out.println("------------------------------------------------------------");
return html.toString();
}
}