rcp/org.argeo.cms.desktop/src/org/argeo/cms/desktop/DesktopLayer.java

   1 package org.argeo.cms.desktop;
   2
   3 import java.io.IOException;
   4 import java.nio.file.DirectoryStream;
   5 import java.nio.file.Files;
   6 import java.nio.file.Path;
   7 import java.nio.file.Paths;
   8
   9 import org.apache.commons.io.FilenameUtils;
  10 import org.eclipse.swt.SWT;
  11 import org.eclipse.swt.events.SelectionAdapter;
  12 import org.eclipse.swt.events.SelectionEvent;
  13 import org.eclipse.swt.graphics.Image;
  14 import org.eclipse.swt.graphics.ImageData;
  15 import org.eclipse.swt.layout.GridData;
  16 import org.eclipse.swt.layout.GridLayout;
  17 import org.eclipse.swt.program.Program;
  18 import org.eclipse.swt.widgets.Button;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.swt.widgets.Control;
  21 import org.eclipse.swt.widgets.Display;
  22 import org.eclipse.swt.widgets.Label;
  23
  24 public class DesktopLayer {
  25         // TODO make it configurable
  26         private Path desktopDir = Paths.get(System.getProperty("user.home"), "tmp");
  27
  28         public void init(Composite parentShell) {
  29 //              Decorations shell = new Decorations(parentShell, SWT.CLOSE);
  30 //              shell.setLayoutData(new GridData(GridData.FILL_BOTH));
  31                 createUi(parentShell, desktopDir);
  32                 // shell.open();
  33         }
  34
  35         public Control createUi(Composite parent, Path context) {
  36                 // parent.setLayout(new FillLayout());
  37                 try {
  38                         DirectoryStream<Path> ds = Files.newDirectoryStream(context);
  39                         ds.forEach((path) -> createIcon(parent, path));
  40                 } catch (IOException e) {
  41                         // TODO Auto-generated catch block
  42                         e.printStackTrace();
  43                 }
  44                 return parent;
  45
  46         }
  47
  48         protected void createIcon(Composite parent, Path path) {
  49                 String ext = FilenameUtils.getExtension(path.getFileName().toString());
  50                 Program program = Program.findProgram(ext);
  51                 if (program == null) {
  52                         createDefaultIcon(parent, path);
  53                         return;
  54                 }
  55
  56                 Display display = parent.getDisplay();
  57                 ImageData iconData = program.getImageData();
  58
  59                 Image iconImage;
  60                 if (iconData == null) {
  61                         iconImage = display.getSystemImage(SWT.ICON_INFORMATION);
  62                         iconData = iconImage.getImageData();
  63                 } else {
  64                         iconImage = new Image(display, iconData);
  65                 }
  66
  67                 Composite icon = new Composite(parent, SWT.NONE);
  68                 icon.setLayoutData(new GridData(48, 72));
  69                 icon.setLayout(new GridLayout());
  70                 // Button
  71                 Button iconB = new Button(icon, SWT.FLAT);
  72                 iconB.setImage(iconImage);
  73                 // iconB.setLayoutData(new GridData(iconData.width, iconData.height));
  74                 iconB.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
  75                 iconB.addSelectionListener(new SelectionAdapter() {
  76
  77                         @Override
  78                         public void widgetSelected(SelectionEvent e) {
  79                                 program.execute(path.toString());
  80                         }
  81
  82                 });
  83                 // Label
  84                 Label iconL = new Label(icon, SWT.WRAP);
  85                 iconL.setText(path.getFileName().toString());
  86                 iconL.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
  87         }
  88
  89         protected void createDefaultIcon(Composite parent, Path path) {
  90                 Composite icon = new Composite(parent, SWT.NONE);
  91                 icon.setLayout(new GridLayout());
  92                 Label iconL = new Label(icon, SWT.NONE);
  93                 iconL.setText(path.getFileName().toString());
  94                 iconL.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, true));
  95         }
  96 }