argeo/library/ui/DocumentsFileComposite.java

   1 package org.argeo.library.ui;
   2
   3 import java.io.IOException;
   4 import java.nio.file.Files;
   5 import java.nio.file.Path;
   6 import java.nio.file.spi.FileSystemProvider;
   7
   8 import javax.jcr.Node;
   9
  10 import org.apache.commons.logging.Log;
  11 import org.apache.commons.logging.LogFactory;
  12 import org.argeo.cms.fs.CmsFsUtils;
  13 import org.argeo.cms.ui.util.CmsUiUtils;
  14 import org.argeo.eclipse.ui.EclipseUiUtils;
  15 import org.argeo.eclipse.ui.fs.FsUiUtils;
  16 import org.argeo.eclipse.ui.specific.UiContext;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.browser.Browser;
  19 import org.eclipse.swt.custom.SashForm;
  20 import org.eclipse.swt.layout.GridData;
  21 import org.eclipse.swt.layout.GridLayout;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Label;
  24
  25 /**
  26  * Default Documents file composite: a sashForm with a browser in the middle and
  27  * meta data at right hand side.
  28  */
  29 public class DocumentsFileComposite extends Composite {
  30         private static final long serialVersionUID = -7567632342889241793L;
  31
  32         private final static Log log = LogFactory.getLog(DocumentsFileComposite.class);
  33
  34         private final Node currentBaseContext;
  35
  36         // UI Parts for the browser
  37         private Composite rightPannelCmp;
  38
  39         public DocumentsFileComposite(Composite parent, int style, Node context, FileSystemProvider fsp) {
  40                 super(parent, style);
  41                 this.currentBaseContext = context;
  42                 this.setLayout(EclipseUiUtils.noSpaceGridLayout());
  43                 SashForm form = new SashForm(this, SWT.HORIZONTAL);
  44
  45                 Composite centerCmp = new Composite(form, SWT.BORDER | SWT.NO_FOCUS);
  46                 createDisplay(centerCmp);
  47
  48                 rightPannelCmp = new Composite(form, SWT.NO_FOCUS);
  49
  50                 Path path = CmsFsUtils.getPath(fsp, context);
  51                 setOverviewInput(path);
  52                 form.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  53                 form.setWeights(new int[] { 55, 20 });
  54         }
  55
  56         private void createDisplay(final Composite parent) {
  57                 parent.setLayout(EclipseUiUtils.noSpaceGridLayout());
  58                 Browser browser = new Browser(parent, SWT.NONE);
  59                 // browser.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true,
  60                 // true));
  61                 browser.setLayoutData(EclipseUiUtils.fillAll());
  62                 // FIXME make it more robust
  63                 String url = CmsUiUtils.getDataUrl(currentBaseContext, UiContext.getHttpRequest());
  64                 // FIXME issue with the redirection to https
  65                 if (url.startsWith("http://") && !url.startsWith("http://localhost"))
  66                         url = "https://" + url.substring("http://".length(), url.length());
  67                 if (log.isTraceEnabled())
  68                         log.debug("Trying to display " + url);
  69                 browser.setUrl(url);
  70                 browser.layout(true, true);
  71         }
  72
  73         /**
  74          * Recreates the content of the box that displays information about the current
  75          * selected Path.
  76          */
  77         private void setOverviewInput(Path path) {
  78                 try {
  79                         EclipseUiUtils.clear(rightPannelCmp);
  80                         rightPannelCmp.setLayout(new GridLayout());
  81                         if (path != null) {
  82                                 // if (isImg(context)) {
  83                                 // EditableImage image = new Img(parent, RIGHT, context,
  84                                 // imageWidth);
  85                                 // image.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER,
  86                                 // true, false,
  87                                 // 2, 1));
  88                                 // }
  89
  90                                 Label contextL = new Label(rightPannelCmp, SWT.NONE);
  91                                 contextL.setText(path.getFileName().toString());
  92                                 contextL.setFont(EclipseUiUtils.getBoldFont(rightPannelCmp));
  93                                 addProperty(rightPannelCmp, "Last modified", Files.getLastModifiedTime(path).toString());
  94                                 // addProperty(rightPannelCmp, "Owner",
  95                                 // Files.getOwner(path).getName());
  96                                 if (Files.isDirectory(path)) {
  97                                         addProperty(rightPannelCmp, "Type", "Folder");
  98                                 } else {
  99                                         String mimeType = Files.probeContentType(path);
 100                                         if (EclipseUiUtils.isEmpty(mimeType))
 101                                                 mimeType = "<i>Unknown</i>";
 102                                         addProperty(rightPannelCmp, "Type", mimeType);
 103                                         addProperty(rightPannelCmp, "Size", FsUiUtils.humanReadableByteCount(Files.size(path), false));
 104                                 }
 105                         }
 106                         rightPannelCmp.layout(true, true);
 107                 } catch (IOException e) {
 108                         throw new IllegalStateException("Cannot display details for " + path.toString(), e);
 109                 }
 110         }
 111
 112         // Simplify UI implementation
 113         private void addProperty(Composite parent, String propName, String value) {
 114                 Label propLbl = new Label(parent, SWT.NONE);
 115                 // propLbl.setText(ConnectUtils.replaceAmpersand(propName + ": " + value));
 116                 propLbl.setText(value);
 117                 // CmsUiUtils.markup(propLbl);
 118         }
 119 }