eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/gcr/GcrContentTreeView.java

   1 package org.argeo.cms.swt.gcr;
   2
   3 import java.nio.file.Path;
   4 import java.nio.file.Paths;
   5
   6 import javax.xml.namespace.QName;
   7
   8 import org.argeo.api.acr.Content;
   9 import org.argeo.cms.acr.fs.FsContentProvider;
  10 import org.argeo.cms.swt.CmsSwtUtils;
  11 import org.eclipse.swt.SWT;
  12 import org.eclipse.swt.layout.FillLayout;
  13 import org.eclipse.swt.layout.GridData;
  14 import org.eclipse.swt.layout.GridLayout;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.Display;
  17 import org.eclipse.swt.widgets.Shell;
  18 import org.eclipse.swt.widgets.Table;
  19 import org.eclipse.swt.widgets.TableColumn;
  20 import org.eclipse.swt.widgets.TableItem;
  21 import org.eclipse.swt.widgets.Tree;
  22 import org.eclipse.swt.widgets.TreeItem;
  23
  24 public class GcrContentTreeView extends Composite {
  25         private Tree tree;
  26         private Table table;
  27         private Content rootContent;
  28
  29         private Content selected;
  30
  31         public GcrContentTreeView(Composite parent, int style, Content content) {
  32                 super(parent, style);
  33                 this.rootContent = content;
  34                 this.selected = rootContent;
  35                 setLayout(new GridLayout(2, false));
  36                 initTree();
  37                 GridData treeGd = CmsSwtUtils.fillHeight();
  38                 treeGd.widthHint = 300;
  39                 tree.setLayoutData(treeGd);
  40                 initTable();
  41
  42                 table.setLayoutData(CmsSwtUtils.fillAll());
  43         }
  44
  45         protected void initTree() {
  46                 tree = new Tree(this, 0);
  47                 for (Content c : rootContent) {
  48                         TreeItem root = new TreeItem(tree, 0);
  49                         root.setText(c.getName().toString());
  50                         root.setData(c);
  51                         new TreeItem(root, 0);
  52                 }
  53                 tree.addListener(SWT.Expand, event -> {
  54                         final TreeItem root = (TreeItem) event.item;
  55                         TreeItem[] items = root.getItems();
  56                         for (TreeItem item : items) {
  57                                 if (item.getData() != null)
  58                                         return;
  59                                 item.dispose();
  60                         }
  61                         Content content = (Content) root.getData();
  62                         for (Content c : content) {
  63                                 TreeItem item = new TreeItem(root, 0);
  64                                 item.setText(c.getName().toString());
  65                                 item.setData(c);
  66                                 boolean hasChildren = true;
  67                                 if (hasChildren) {
  68                                         new TreeItem(item, 0);
  69                                 }
  70                         }
  71                 });
  72                 tree.addListener(SWT.Selection, event -> {
  73                         TreeItem item = (TreeItem) event.item;
  74                         selected = (Content) item.getData();
  75                         refreshTable();
  76                 });
  77         }
  78
  79         protected void initTable() {
  80                 table = new Table(this, 0);
  81                 table.setLinesVisible(true);
  82                 table.setHeaderVisible(true);
  83                 TableColumn keyCol = new TableColumn(table, SWT.NONE);
  84                 keyCol.setText("Attribute");
  85                 keyCol.setWidth(200);
  86                 TableColumn valueCol = new TableColumn(table, SWT.NONE);
  87                 valueCol.setText("Value");
  88                 keyCol.setWidth(300);
  89                 refreshTable();
  90         }
  91
  92         protected void refreshTable() {
  93                 for (TableItem item : table.getItems()) {
  94                         item.dispose();
  95                 }
  96                 for (QName key : selected.keySet()) {
  97                         TableItem item = new TableItem(table, 0);
  98                         item.setText(0, key.toString());
  99                         Object value = selected.get(key);
 100                         item.setText(1, value.toString());
 101                 }
 102                 table.getColumn(0).pack();
 103                 table.getColumn(1).pack();
 104         }
 105
 106         public static void main(String[] args) {
 107                 Path basePath;
 108                 if (args.length > 0) {
 109                         basePath = Paths.get(args[0]);
 110                 } else {
 111                         basePath = Paths.get(System.getProperty("user.home"));
 112                 }
 113
 114                 final Display display = new Display();
 115                 final Shell shell = new Shell(display);
 116                 shell.setText(basePath.toString());
 117                 shell.setLayout(new FillLayout());
 118
 119                 FsContentProvider contentSession = new FsContentProvider(basePath);
 120 //              GcrContentTreeView treeView = new GcrContentTreeView(shell, 0, contentSession.get("/"));
 121
 122                 shell.setSize(shell.computeSize(800, 600));
 123                 shell.open();
 124                 while (!shell.isDisposed()) {
 125                         if (!display.readAndDispatch())
 126                                 display.sleep();
 127                 }
 128                 display.dispose();
 129         }
 130 }