X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.cms.swt%2Fsrc%2Forg%2Fargeo%2Fcms%2Fswt%2Fwidgets%2FSwtHierarchicalPart.java;fp=swt%2Forg.argeo.cms.swt%2Fsrc%2Forg%2Fargeo%2Fcms%2Fswt%2Fwidgets%2FSwtHierarchicalPart.java;h=07c9bac2e1cb3266028a90cbe139008c591d42b4;hb=7b242851c0094d13cbaca5b68261ad92c873a59f;hp=0000000000000000000000000000000000000000;hpb=dbb84b4ec2d313ec0724d035c32f482ac57974c5;p=lgpl%2Fargeo-commons.git

diff --git a/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/SwtHierarchicalPart.java b/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/SwtHierarchicalPart.java
new file mode 100644
index 000000000..07c9bac2e
--- /dev/null
+++ b/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/SwtHierarchicalPart.java
@@ -0,0 +1,106 @@
+package org.argeo.cms.swt.widgets;
+
+import java.util.List;
+
+import org.argeo.api.cms.ux.CmsIcon;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.ux.widgets.HierarchicalPart;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
+
+/** {@link HierarchicalPart} implementation based on a {@link Tree}. */
+public class SwtHierarchicalPart<T> extends AbstractSwtPart<T, T> {
+	private static final long serialVersionUID = -6247710601465713047L;
+
+	private final Tree tree;
+
+	private HierarchicalPart<T> hierarchicalPart;
+
+	public SwtHierarchicalPart(Composite parent, int style, HierarchicalPart<T> hierarchicalPart) {
+		super(parent, style, hierarchicalPart);
+		tree = new Tree(this, SWT.BORDER);
+		tree.setLayoutData(CmsSwtUtils.fillAll());
+		this.hierarchicalPart = hierarchicalPart;
+
+		tree.addSelectionListener(selectionListener);
+	}
+
+	@Override
+	public void refresh() {
+		// TODO optimise
+		// tree.clearAll(true);
+
+		for (TreeItem rootItem : tree.getItems()) {
+			rootItem.dispose();
+		}
+
+		List<T> rootItems = hierarchicalPart.getChildren(hierarchicalPart.getInput());
+		for (T child : rootItems) {
+			TreeItem childItem = addTreeItem(null, child);
+//			List<T> grandChildren = hierarchicalPart.getChildren(child);
+//			for (T grandChild : grandChildren) {
+//				addTreeItem(childItem, grandChild);
+//			}
+		}
+//		tree.addListener(SWT.SetData, event -> {
+//			TreeItem item = (TreeItem) event.item;
+//			TreeItem parentItem = item.getParentItem();
+//			if (parentItem == null) {
+//				refreshRootItem(item);
+//			} else {
+//				refreshItem(parentItem, item);
+//			}
+//		});
+//		tree.setItemCount(getRootItemCount());
+
+		tree.addListener(SWT.Expand, event -> {
+			final TreeItem root = (TreeItem) event.item;
+			TreeItem[] items = root.getItems();
+			for (TreeItem item : items) {
+				if (item.getData() != null) {
+//					List<T> grandChildren = hierarchicalPart.getChildren((T) item.getData());
+//					for (T grandChild : grandChildren) {
+//						addTreeItem(item, grandChild);
+//					}
+					return;
+				}
+				item.dispose();
+			}
+
+			List<T> children = hierarchicalPart.getChildren((T) root.getData());
+			for (T child : children) {
+				TreeItem childItem = addTreeItem(root, child);
+//				List<T> grandChildren = hierarchicalPart.getChildren(child);
+//				for (T grandChild : grandChildren) {
+//					addTreeItem(childItem, grandChild);
+//				}
+			}
+		});
+
+		CmsSwtUtils.fill(tree);
+
+	}
+
+	protected TreeItem addTreeItem(TreeItem parent, T data) {
+		TreeItem item = parent == null ? new TreeItem(tree, SWT.NONE) : new TreeItem(parent, SWT.NONE);
+		item.setData(data);
+		String txt = hierarchicalPart.getText(data);
+		if (txt != null)
+			item.setText(hierarchicalPart.getText(data));
+		CmsIcon icon = hierarchicalPart.getIcon(data);
+		// TODO optimize
+		List<T> grandChildren = hierarchicalPart.getChildren(data);
+		if (grandChildren.size() != 0)
+			new TreeItem(item, SWT.NONE);
+		return item;
+//if(icon!=null)
+//	item.setImage(null);
+	}
+
+	protected Tree getTree() {
+		return tree;
+	}
+
+}