+++ /dev/null
-package org.argeo.cms.ui.util;
-
-import static java.nio.charset.StandardCharsets.UTF_8;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeSet;
-import java.util.stream.Collectors;
-
-import org.apache.commons.io.IOUtils;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleContext;
-
-/**
- * Simplifies the theming of an app (only RAP is supported at this stage).<br>
- *
- * Additional fonts listed in <code>/fonts.txt</code>.<br>
- * Additional (standard CSS) header in <code>/header.css</code>.<br>
- * RAP specific CSS files in <code>/rap/*.css</code>.<br>
- * All images added as additional resources based on extensions
- * <code>/ ** /*.{png,gif,jpeg,...}</code>.<br>
- */
-public class BundleCmsTheme extends AbstractCmsTheme {
- public final static String DEFAULT_CMS_THEME_BUNDLE = "org.argeo.theme.argeo2";
-
- public final static String CMS_THEME_PROPERTY = "argeo.cms.theme";
- public final static String CMS_THEME_BUNDLE_PROPERTY = "argeo.cms.theme.bundle";
-
- private final static String HEADER_CSS = "header.css";
- private final static String FONTS_TXT = "fonts.txt";
- private final static String BODY_HTML = "body.html";
-
-// private final static Log log = LogFactory.getLog(BundleCmsTheme.class);
-
- private String themeId;
- private Set<String> webCssPaths = new TreeSet<>();
- private Set<String> rapCssPaths = new TreeSet<>();
- private Set<String> swtCssPaths = new TreeSet<>();
- private Set<String> imagesPaths = new TreeSet<>();
- private Set<String> fontsPaths = new TreeSet<>();
-
- private String headerCss;
- private List<String> fonts = new ArrayList<>();
-
- private String bodyHtml="<body></body>";
-
- private String basePath;
- private String styleCssPath;
-// private String webCssPath;
-// private String rapCssPath;
-// private String swtCssPath;
- private Bundle themeBundle;
-
- public BundleCmsTheme() {
-
- }
-
- public void init(BundleContext bundleContext, Map<String, String> properties) {
- initResources(bundleContext, null);
- }
-
- public void destroy(BundleContext bundleContext, Map<String, String> properties) {
-
- }
-
- @Deprecated
- public BundleCmsTheme(BundleContext bundleContext) {
- this(bundleContext, null);
- }
-
- @Deprecated
- public BundleCmsTheme(BundleContext bundleContext, String symbolicName) {
- initResources(bundleContext, symbolicName);
- }
-
- private void initResources(BundleContext bundleContext, String symbolicName) {
- if (symbolicName == null) {
- themeBundle = bundleContext.getBundle();
-// basePath = "/theme/";
-// cssPath = basePath;
- } else {
- themeBundle = findThemeBundle(bundleContext, symbolicName);
- }
- basePath = "/";
- styleCssPath = "/style/";
-// webCssPath = "/css/";
-// rapCssPath = "/rap/";
-// swtCssPath = "/swt/";
-// this.themeId = RWT.DEFAULT_THEME_ID;
- this.themeId = themeBundle.getSymbolicName();
- webCssPaths = addCss(themeBundle, "/css/");
- rapCssPaths = addCss(themeBundle, "/rap/");
- swtCssPaths = addCss(themeBundle, "/swt/");
- addImages("*.png");
- addImages("*.gif");
- addImages("*.jpg");
- addImages("*.jpeg");
- addImages("*.svg");
- addImages("*.ico");
-
- addFonts("*.woff");
- addFonts("*.woff2");
-
- // fonts
- URL fontsUrl = themeBundle.getEntry(basePath + FONTS_TXT);
- if (fontsUrl != null) {
- loadFontsUrl(fontsUrl);
- }
-
- // common CSS header (plain CSS)
- URL headerCssUrl = themeBundle.getEntry(basePath + HEADER_CSS);
- if (headerCssUrl != null) {
- // added to plain Web CSS
- webCssPaths.add(basePath + HEADER_CSS);
- // and it will also be used by RAP:
- try (BufferedReader buffer = new BufferedReader(new InputStreamReader(headerCssUrl.openStream(), UTF_8))) {
- headerCss = buffer.lines().collect(Collectors.joining("\n"));
- } catch (IOException e) {
- throw new IllegalArgumentException("Cannot read " + headerCssUrl, e);
- }
- }
-
- // body
- URL bodyUrl = themeBundle.getEntry(basePath + BODY_HTML);
- if (bodyUrl != null) {
- loadBodyHtml(bodyUrl);
- }
-}
-
- public String getHtmlHeaders() {
- StringBuilder sb = new StringBuilder();
- if (headerCss != null) {
- sb.append("<style type='text/css'>\n");
- sb.append(headerCss);
- sb.append("\n</style>\n");
- }
- for (String link : fonts) {
- sb.append("<link rel='stylesheet' href='");
- sb.append(link);
- sb.append("'/>\n");
- }
- if (sb.length() == 0)
- return null;
- else
- return sb.toString();
- }
-
-
-
- @Override
- public String getBodyHtml() {
- return bodyHtml;
- }
-
- Set<String> addCss(Bundle themeBundle, String path) {
- Set<String> paths = new TreeSet<>();
-
- // common CSS
- Enumeration<URL> commonResources = themeBundle.findEntries(styleCssPath, "*.css", true);
- if (commonResources != null) {
- while (commonResources.hasMoreElements()) {
- String resource = commonResources.nextElement().getPath();
- // remove first '/' so that RWT registers it
- resource = resource.substring(1);
- if (!resource.endsWith("/")) {
- paths.add(resource);
- }
- }
- }
-
- // specific CSS
- Enumeration<URL> themeResources = themeBundle.findEntries(path, "*.css", true);
- if (themeResources != null) {
- while (themeResources.hasMoreElements()) {
- String resource = themeResources.nextElement().getPath();
- // remove first '/' so that RWT registers it
- resource = resource.substring(1);
- if (!resource.endsWith("/")) {
- paths.add(resource);
- }
- }
- }
- return paths;
- }
-
- void loadFontsUrl(URL url) {
- try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream(), UTF_8))) {
- String line = null;
- while ((line = in.readLine()) != null) {
- line = line.trim();
- if (!line.equals("") && !line.startsWith("#")) {
- fonts.add(line);
- }
- }
- } catch (IOException e) {
- throw new IllegalArgumentException("Cannot load URL " + url, e);
- }
- }
-
- void loadBodyHtml(URL url) {
- try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream(), UTF_8))) {
- bodyHtml= IOUtils.toString(url,StandardCharsets.UTF_8);
- } catch (IOException e) {
- throw new IllegalArgumentException("Cannot load URL " + url, e);
- }
- }
-
- void addImages(String pattern) {
- Enumeration<URL> themeResources = themeBundle.findEntries(basePath, pattern, true);
- if (themeResources == null)
- return;
- while (themeResources.hasMoreElements()) {
- String resource = themeResources.nextElement().getPath();
- // remove first '/' so that RWT registers it
- resource = resource.substring(1);
- if (!resource.endsWith("/")) {
-// if (resources.containsKey(resource))
-// log.warn("Overriding " + resource + " from " + themeBundle.getSymbolicName());
-// resources.put(resource, themeBRL);
- imagesPaths.add(resource);
- }
-
- }
-
- }
-
- void addFonts(String pattern) {
- Enumeration<URL> themeResources = themeBundle.findEntries(basePath, pattern, true);
- if (themeResources == null)
- return;
- while (themeResources.hasMoreElements()) {
- String resource = themeResources.nextElement().getPath();
- // remove first '/' so that RWT registers it
- resource = resource.substring(1);
- if (!resource.endsWith("/")) {
-// if (resources.containsKey(resource))
-// log.warn("Overriding " + resource + " from " + themeBundle.getSymbolicName());
-// resources.put(resource, themeBRL);
- fontsPaths.add(resource);
- }
-
- }
-
- }
-
- @Override
- public InputStream getResourceAsStream(String resourceName) throws IOException {
- URL res = themeBundle.getEntry(resourceName);
- if (res == null) {
- res = themeBundle.getResource(resourceName);
- if (res == null)
- return null;
-// throw new IllegalArgumentException(
-// "Resource " + resourceName + " not found in bundle " + themeBundle.getSymbolicName());
- }
- return res.openStream();
- }
-
- public String getThemeId() {
- return themeId;
- }
-
-// public void setThemeId(String themeId) {
-// this.themeId = themeId;
-// }
-//
-// public String getBasePath() {
-// return basePath;
-// }
-//
-// public void setBasePath(String basePath) {
-// this.basePath = basePath;
-// }
-//
-// public String getRapCssPath() {
-// return rapCssPath;
-// }
-//
-// public void setRapCssPath(String cssPath) {
-// this.rapCssPath = cssPath;
-// }
-
- @Override
- public Set<String> getWebCssPaths() {
- return webCssPaths;
- }
-
- @Override
- public Set<String> getRapCssPaths() {
- return rapCssPaths;
- }
-
- @Override
- public Set<String> getSwtCssPaths() {
- return swtCssPaths;
- }
-
- @Override
- public Set<String> getImagesPaths() {
- return imagesPaths;
- }
-
- @Override
- public Set<String> getFontsPaths() {
- return fontsPaths;
- }
-
- @Override
- public InputStream loadPath(String path) throws IOException {
- URL url = themeBundle.getResource(path);
- if (url == null)
- throw new IllegalArgumentException(
- "Path " + path + " not found in bundle " + themeBundle.getSymbolicName());
- return url.openStream();
- }
-
- private static Bundle findThemeBundle(BundleContext bundleContext, String themeId) {
- if (themeId == null)
- return null;
- // TODO optimize
- // TODO deal with multiple versions
- Bundle themeBundle = null;
- if (themeId != null) {
- for (Bundle bundle : bundleContext.getBundles())
- if (themeId.equals(bundle.getSymbolicName())) {
- themeBundle = bundle;
- break;
- }
- }
- return themeBundle;
- }
-
- @Override
- public int hashCode() {
- return themeId.hashCode();
- }
-
- @Override
- public String toString() {
- return "Bundle CMS Theme " + themeId;
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff