swt/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/CmsUiUtils.java

   1 package org.argeo.cms.ui.util;
   2
   3 import java.net.MalformedURLException;
   4 import java.net.URL;
   5
   6 import javax.jcr.Node;
   7 import javax.jcr.RepositoryException;
   8 import javax.servlet.http.HttpServletRequest;
   9
  10 import org.argeo.api.cms.CmsConstants;
  11 import org.argeo.api.cms.ux.Cms2DSize;
  12 import org.argeo.api.cms.ux.CmsView;
  13 import org.argeo.cms.acr.ContentUtils;
  14 import org.argeo.cms.jcr.CmsJcrUtils;
  15 import org.argeo.cms.swt.CmsSwtUtils;
  16 import org.argeo.cms.ux.AbstractImageManager;
  17 import org.argeo.cms.ux.CmsUxUtils;
  18 import org.argeo.jcr.JcrUtils;
  19 import org.eclipse.rap.rwt.RWT;
  20 import org.eclipse.rap.rwt.service.ResourceManager;
  21 import org.eclipse.swt.layout.RowData;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Display;
  24 import org.eclipse.swt.widgets.Table;
  25
  26 /** Static utilities for the CMS framework. */
  27 public class CmsUiUtils {
  28         // private final static Log log = LogFactory.getLog(CmsUiUtils.class);
  29
  30         /*
  31          * CMS VIEW
  32          */
  33
  34         /**
  35          * The CMS view related to this display, or null if none is available from this
  36          * call.
  37          *
  38          * @deprecated Use {@link CmsSwtUtils#getCmsView(Composite)} instead.
  39          */
  40         @Deprecated
  41         public static CmsView getCmsView() {
  42 //              return UiContext.getData(CmsView.class.getName());
  43                 return CmsSwtUtils.getCmsView(Display.getCurrent().getActiveShell());
  44         }
  45
  46         public static StringBuilder getServerBaseUrl(HttpServletRequest request) {
  47                 try {
  48                         URL url = new URL(request.getRequestURL().toString());
  49                         StringBuilder buf = new StringBuilder();
  50                         buf.append(url.getProtocol()).append("://").append(url.getHost());
  51                         if (url.getPort() != -1)
  52                                 buf.append(':').append(url.getPort());
  53                         return buf;
  54                 } catch (MalformedURLException e) {
  55                         throw new IllegalArgumentException("Cannot extract server base URL from " + request.getRequestURL(), e);
  56                 }
  57         }
  58
  59         //
  60         public static String getDataUrl(Node node, HttpServletRequest request) {
  61                 try {
  62                         StringBuilder buf = getServerBaseUrl(request);
  63                         buf.append(getDataPath(node));
  64                         return new URL(buf.toString()).toString();
  65                 } catch (MalformedURLException e) {
  66                         throw new IllegalArgumentException("Cannot build data URL for " + node, e);
  67                 }
  68         }
  69
  70         /** A path in the node repository */
  71         public static String getDataPath(Node node) {
  72                 return getDataPath(CmsConstants.EGO_REPOSITORY, node);
  73         }
  74
  75         public static String getDataPath(String cn, Node node) {
  76                 return CmsJcrUtils.getDataPath(cn, node);
  77         }
  78
  79         /** Clean reserved URL characters for use in HTTP links. */
  80         public static String getDataPathForUrl(Node node) {
  81                 return ContentUtils.cleanPathForUrl(getDataPath(node));
  82         }
  83
  84         /** @deprecated Use rowData16px() instead. GridData should not be reused. */
  85         @Deprecated
  86         public static RowData ROW_DATA_16px = new RowData(16, 16);
  87
  88         /*
  89          * FORM LAYOUT
  90          */
  91
  92         public final static String ITEM_HEIGHT = "org.eclipse.rap.rwt.customItemHeight";
  93
  94         @Deprecated
  95         public static void setItemHeight(Table table, int height) {
  96                 table.setData(ITEM_HEIGHT, height);
  97         }
  98
  99         //
 100         // JCR
 101         //
 102         public static Node getOrAddEmptyFile(Node parent, Enum<?> child) throws RepositoryException {
 103                 if (has(parent, child))
 104                         return child(parent, child);
 105                 return JcrUtils.copyBytesAsFile(parent, child.name(), new byte[0]);
 106         }
 107
 108         public static Node child(Node parent, Enum<?> en) throws RepositoryException {
 109                 return parent.getNode(en.name());
 110         }
 111
 112         public static Boolean has(Node parent, Enum<?> en) throws RepositoryException {
 113                 return parent.hasNode(en.name());
 114         }
 115
 116         public static Node getOrAdd(Node parent, Enum<?> en) throws RepositoryException {
 117                 return getOrAdd(parent, en, null);
 118         }
 119
 120         public static Node getOrAdd(Node parent, Enum<?> en, String primaryType) throws RepositoryException {
 121                 if (has(parent, en))
 122                         return child(parent, en);
 123                 else if (primaryType == null)
 124                         return parent.addNode(en.name());
 125                 else
 126                         return parent.addNode(en.name(), primaryType);
 127         }
 128
 129         // IMAGES
 130
 131         public static String img(Node fileNode, String width, String height) {
 132                 return img(null, fileNode, width, height);
 133         }
 134
 135         public static String img(String serverBase, Node fileNode, String width, String height) {
 136 //              String src = (serverBase != null ? serverBase : "") + NodeUtils.getDataPath(fileNode);
 137                 String src;
 138                 src = (serverBase != null ? serverBase : "") + getDataPathForUrl(fileNode);
 139                 return CmsUxUtils.imgBuilder(src, width, height).append("/>").toString();
 140         }
 141
 142         public static String noImg(Cms2DSize size) {
 143                 ResourceManager rm = RWT.getResourceManager();
 144                 return CmsUxUtils.img(rm.getLocation(AbstractImageManager.NO_IMAGE), size);
 145         }
 146
 147         public static String noImg() {
 148                 return noImg(AbstractImageManager.NO_IMAGE_SIZE);
 149         }
 150
 151 //      public static Image noImage(Cms2DSize size) {
 152 //              ResourceManager rm = RWT.getResourceManager();
 153 //              InputStream in = null;
 154 //              try {
 155 //                      in = rm.getRegisteredContent(AbstractImageManager.NO_IMAGE);
 156 //                      ImageData id = new ImageData(in);
 157 //                      ImageData scaled = id.scaledTo(size.getWidth(), size.getHeight());
 158 //                      Image image = new Image(Display.getCurrent(), scaled);
 159 //                      return image;
 160 //              } finally {
 161 //                      try {
 162 //                              in.close();
 163 //                      } catch (IOException e) {
 164 //                              // silent
 165 //                      }
 166 //              }
 167 //      }
 168
 169         /** Lorem ipsum text to be used during development. */
 170         public final static String LOREM_IPSUM = "Lorem ipsum dolor sit amet, consectetur adipiscing elit."
 171                         + " Etiam eleifend hendrerit sem, ac ultricies massa ornare ac."
 172                         + " Cras aliquam sodales risus, vitae varius lacus molestie quis."
 173                         + " Vivamus consequat, leo id lacinia volutpat, eros diam efficitur urna, finibus interdum risus turpis at nisi."
 174                         + " Curabitur vulputate nulla quis scelerisque fringilla. Integer consectetur turpis id lobortis accumsan."
 175                         + " Pellentesque commodo turpis ac diam ultricies dignissim."
 176                         + " Curabitur sit amet dolor volutpat lacus aliquam ornare quis sed velit."
 177                         + " Integer varius quis est et tristique."
 178                         + " Suspendisse pharetra porttitor purus, eget condimentum magna."
 179                         + " Duis vitae turpis eros. Sed tincidunt lacinia rutrum."
 180                         + " Aliquam velit velit, rutrum ut augue sed, condimentum lacinia augue.";
 181
 182         /** Singleton. */
 183         private CmsUiUtils() {
 184         }
 185
 186 }