library/org.argeo.documents.ui/src/org/argeo/documents/ui/DocumentsFileComposite.java

   1 package org.argeo.documents.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 import javax.jcr.RepositoryException;
  10
  11 import org.apache.commons.logging.Log;
  12 import org.apache.commons.logging.LogFactory;
  13 import org.argeo.cms.fs.CmsFsUtils;
  14 import org.argeo.cms.ui.util.CmsUiUtils;
  15 import org.argeo.eclipse.ui.EclipseUiUtils;
  16 import org.argeo.eclipse.ui.fs.FsUiUtils;
  17 import org.argeo.eclipse.ui.specific.UiContext;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.browser.Browser;
  20 import org.eclipse.swt.custom.SashForm;
  21 import org.eclipse.swt.layout.GridData;
  22 import org.eclipse.swt.layout.GridLayout;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Label;
  25
  26 /**
  27  * Default Documents file composite: a sashForm with a browser in the middle and
  28  * meta data at right hand side.
  29  */
  30 public class DocumentsFileComposite extends Composite {
  31         private static final long serialVersionUID = -7567632342889241793L;
  32
  33         private final static Log log = LogFactory.getLog(DocumentsFileComposite.class);
  34
  35         private final Node currentBaseContext;
  36
  37         // UI Parts for the browser
  38         private Composite rightPannelCmp;
  39
  40         public DocumentsFileComposite(Composite parent, int style, Node context,
  41                         FileSystemProvider fsp) {
  42                 super(parent, style);
  43                 this.currentBaseContext = context;
  44                 this.setLayout(EclipseUiUtils.noSpaceGridLayout());
  45                 SashForm form = new SashForm(this, SWT.HORIZONTAL);
  46
  47                 Composite centerCmp = new Composite(form, SWT.BORDER | SWT.NO_FOCUS);
  48                 createDisplay(centerCmp);
  49
  50                 rightPannelCmp = new Composite(form, SWT.NO_FOCUS);
  51
  52                 Path path = CmsFsUtils.getPath(fsp, context);
  53                 setOverviewInput(path);
  54                 form.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  55                 form.setWeights(new int[] { 55, 20 });
  56         }
  57
  58         private void createDisplay(final Composite parent) {
  59                 parent.setLayout(EclipseUiUtils.noSpaceGridLayout());
  60                 Browser browser = new Browser(parent, SWT.NONE);
  61                 // browser.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true,
  62                 // true));
  63                 browser.setLayoutData(EclipseUiUtils.fillAll());
  64                 try {
  65                         // FIXME make it more robust
  66                         String url = CmsUiUtils.getDataUrl(currentBaseContext, UiContext.getHttpRequest());
  67                         // FIXME issue with the redirection to https
  68                         if (url.startsWith("http://") && !url.startsWith("http://localhost"))
  69                                 url = "https://" + url.substring("http://".length(), url.length());
  70                         if (log.isTraceEnabled())
  71                                 log.debug("Trying to display " + url);
  72                         browser.setUrl(url);
  73                         browser.layout(true, true);
  74                 } catch (RepositoryException re) {
  75                         throw new IllegalStateException("Cannot open file at " + currentBaseContext, re);
  76                 }
  77         }
  78
  79         /**
  80          * Recreates the content of the box that displays information about the current
  81          * selected Path.
  82          */
  83         private void setOverviewInput(Path path) {
  84                 try {
  85                         EclipseUiUtils.clear(rightPannelCmp);
  86                         rightPannelCmp.setLayout(new GridLayout());
  87                         if (path != null) {
  88                                 // if (isImg(context)) {
  89                                 // EditableImage image = new Img(parent, RIGHT, context,
  90                                 // imageWidth);
  91                                 // image.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER,
  92                                 // true, false,
  93                                 // 2, 1));
  94                                 // }
  95
  96                                 Label contextL = new Label(rightPannelCmp, SWT.NONE);
  97                                 contextL.setText(path.getFileName().toString());
  98                                 contextL.setFont(EclipseUiUtils.getBoldFont(rightPannelCmp));
  99                                 addProperty(rightPannelCmp, "Last modified", Files.getLastModifiedTime(path).toString());
 100                                 // addProperty(rightPannelCmp, "Owner",
 101                                 // Files.getOwner(path).getName());
 102                                 if (Files.isDirectory(path)) {
 103                                         addProperty(rightPannelCmp, "Type", "Folder");
 104                                 } else {
 105                                         String mimeType = Files.probeContentType(path);
 106                                         if (EclipseUiUtils.isEmpty(mimeType))
 107                                                 mimeType = "<i>Unknown</i>";
 108                                         addProperty(rightPannelCmp, "Type", mimeType);
 109                                         addProperty(rightPannelCmp, "Size", FsUiUtils.humanReadableByteCount(Files.size(path), false));
 110                                 }
 111                         }
 112                         rightPannelCmp.layout(true, true);
 113                 } catch (IOException e) {
 114                         throw new IllegalStateException("Cannot display details for " + path.toString(), e);
 115                 }
 116         }
 117
 118         // Simplify UI implementation
 119         private void addProperty(Composite parent, String propName, String value) {
 120                 Label propLbl = new Label(parent, SWT.NONE);
 121                 //propLbl.setText(ConnectUtils.replaceAmpersand(propName + ": " + value));
 122                 propLbl.setText(value);
 123                 //CmsUiUtils.markup(propLbl);
 124         }
 125 }