X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.security.ui.admin%2Fsrc%2Forg%2Fargeo%2Fsecurity%2Fui%2Fadmin%2Finternal%2FUserTableViewer.java;fp=org.argeo.security.ui.admin%2Fsrc%2Forg%2Fargeo%2Fsecurity%2Fui%2Fadmin%2Finternal%2FUserTableViewer.java;h=adaf81df842aa3944cd11fb70f6709da9b25e622;hb=94c54deff25c97eb8143594c15c2a3dea06c5811;hp=0000000000000000000000000000000000000000;hpb=08fac35eeedb151c2fd1cc85ed4a36adf66e02fc;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/internal/UserTableViewer.java b/org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/internal/UserTableViewer.java
new file mode 100644
index 000000000..adaf81df8
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+++ b/org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/internal/UserTableViewer.java
@@ -0,0 +1,323 @@
+package org.argeo.security.ui.admin.internal;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.argeo.ArgeoException;
+import org.argeo.eclipse.ui.EclipseUiUtils;
+import org.argeo.eclipse.ui.utils.ViewerUtils;
+import org.eclipse.jface.layout.TableColumnLayout;
+import org.eclipse.jface.viewers.CheckboxTableViewer;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ColumnWeightData;
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TableViewerColumn;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Text;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.service.useradmin.Role;
+import org.osgi.service.useradmin.User;
+import org.osgi.service.useradmin.UserAdmin;
+
+/**
+ * Generic composite that display a filter and a table viewer to display users
+ * (can also be groups)
+ * 
+ * Warning: this class does not extends <code>TableViewer</code>. Use the
+ * getTableViewer to acces it.
+ * 
+ */
+public class UserTableViewer extends Composite {
+	private static final long serialVersionUID = -7385959046279360420L;
+
+	// Context
+	private UserAdmin userAdmin;
+
+	// Configuration
+	private List<ColumnDefinition> columnDefs = new ArrayList<ColumnDefinition>();
+	private boolean hasFilter;
+	private boolean preventTableLayout = false;
+	private boolean hasSelectionColumn;
+	private int tableStyle;
+
+	// Local UI Objects
+	private TableViewer usersViewer;
+	private Text filterTxt;
+
+	/* EXPOSED METHODS */
+
+	/**
+	 * @param parent
+	 * @param style
+	 * @param userAdmin
+	 */
+	public UserTableViewer(Composite parent, int style, UserAdmin userAdmin) {
+		super(parent, SWT.NO_FOCUS);
+		this.tableStyle = style;
+		this.userAdmin = userAdmin;
+	}
+
+	// TODO workaround the bug of the table layout in the Form
+	public UserTableViewer(Composite parent, int style, UserAdmin userAdmin,
+			boolean preventTableLayout) {
+		super(parent, SWT.NO_FOCUS);
+		this.tableStyle = style;
+		this.userAdmin = userAdmin;
+		this.preventTableLayout = preventTableLayout;
+	}
+
+	/** This must be called before the call to populate method */
+	public void setColumnDefinitions(List<ColumnDefinition> columnDefinitions) {
+		this.columnDefs = columnDefinitions;
+	}
+
+	/**
+	 * 
+	 * @param addFilter
+	 *            choose to add a field to filter results or not
+	 * @param addSelection
+	 *            choose to add a column to select some of the displayed results
+	 *            or not
+	 */
+	public void populate(boolean addFilter, boolean addSelection) {
+		// initialization
+		Composite parent = this;
+		hasFilter = addFilter;
+		hasSelectionColumn = addSelection;
+
+		// Main Layout
+		GridLayout layout = EclipseUiUtils.noSpaceGridLayout();
+		layout.verticalSpacing = 5;
+		this.setLayout(layout);
+		if (hasFilter)
+			createFilterPart(parent);
+
+		Composite tableComp = new Composite(parent, SWT.NO_FOCUS);
+		tableComp.setLayoutData(EclipseUiUtils.fillAll());
+		usersViewer = createTableViewer(tableComp);
+
+		usersViewer.setContentProvider(new UsersContentProvider());
+	}
+
+	/** Enable access to the selected users or groups */
+	public List<User> getSelectedUsers() {
+		if (hasSelectionColumn) {
+			Object[] elements = ((CheckboxTableViewer) usersViewer)
+					.getCheckedElements();
+
+			List<User> result = new ArrayList<User>();
+			for (Object obj : elements) {
+				result.add((User) obj);
+			}
+			return result;
+		} else
+			throw new ArgeoException("Unvalid request: no selection column "
+					+ "has been created for the current table");
+	}
+
+	/** Returns the User table viewer, typically to add doubleclick listener */
+	public TableViewer getTableViewer() {
+		return usersViewer;
+	}
+
+	/**
+	 * Force the refresh of the underlying table using the current filter string
+	 * if relevant
+	 */
+	public void refresh() {
+		String filter = hasFilter ? filterTxt.getText() : null;
+		if ("".equals(filter.trim()))
+			filter = null;
+		refreshFilteredList(filter);
+	}
+
+	// /** Returns filter String or null if no filter Text widget */
+	// private String getFilterString() {
+	// return hasFilter ? filterTxt.getText() : null;
+	// }
+
+	/**
+	 * Build repository request : caller might overwrite in order to display a
+	 * subset of all users
+	 */
+	protected List<User> listFilteredElements(String filter) {
+		List<User> users = new ArrayList<User>();
+		try {
+			Role[] roles = userAdmin.getRoles(filter);
+			// Display all users and groups
+			for (Role role : roles)
+				// if (role.getType() == Role.USER && role.getType() !=
+				// Role.GROUP)
+				users.add((User) role);
+		} catch (InvalidSyntaxException e) {
+			throw new ArgeoException("Unable to get roles with filter: "
+					+ filter, e);
+		}
+		return users;
+	}
+
+	/* GENERIC COMPOSITE METHODS */
+	@Override
+	public boolean setFocus() {
+		if (hasFilter)
+			return filterTxt.setFocus();
+		else
+			return usersViewer.getTable().setFocus();
+	}
+
+	@Override
+	public void dispose() {
+		super.dispose();
+	}
+
+	/* LOCAL CLASSES AND METHODS */
+	// Will be usefull to rather use a virtual table viewer
+	private void refreshFilteredList(String filter) {
+		List<User> users = listFilteredElements(filter);
+		usersViewer.setInput(users.toArray());
+	}
+
+	private class UsersContentProvider implements IStructuredContentProvider {
+		private static final long serialVersionUID = 1L;
+
+		public Object[] getElements(Object inputElement) {
+			return (Object[]) inputElement;
+		}
+
+		public void dispose() {
+		}
+
+		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+		}
+	}
+
+	/* MANAGE FILTER */
+	private void createFilterPart(Composite parent) {
+		// Text Area for the filter
+		filterTxt = new Text(parent, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH
+				| SWT.ICON_CANCEL);
+		filterTxt.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
+				| GridData.HORIZONTAL_ALIGN_FILL));
+		filterTxt.addModifyListener(new ModifyListener() {
+			private static final long serialVersionUID = 1L;
+
+			public void modifyText(ModifyEvent event) {
+				refreshFilteredList(filterTxt.getText());
+			}
+		});
+	}
+
+	private TableViewer createTableViewer(final Composite parent) {
+
+		int style = tableStyle | SWT.H_SCROLL | SWT.V_SCROLL;
+		if (hasSelectionColumn)
+			style = style | SWT.CHECK;
+		Table table = new Table(parent, style);
+		TableColumnLayout layout = new TableColumnLayout();
+
+		// TODO the table layout does not works with the scrolled form
+
+		if (preventTableLayout) {
+			parent.setLayout(EclipseUiUtils.noSpaceGridLayout());
+			table.setLayoutData(EclipseUiUtils.fillAll());
+		} else
+			parent.setLayout(layout);
+
+		TableViewer viewer;
+		if (hasSelectionColumn)
+			viewer = new CheckboxTableViewer(table);
+		else
+			viewer = new TableViewer(table);
+		table.setLinesVisible(true);
+		table.setHeaderVisible(true);
+
+		TableViewerColumn column;
+		int offset = 0;
+		if (hasSelectionColumn) {
+			offset = 1;
+			column = ViewerUtils.createTableViewerColumn(viewer, "", SWT.NONE,
+					25);
+			column.setLabelProvider(new ColumnLabelProvider() {
+				private static final long serialVersionUID = 1L;
+
+				@Override
+				public String getText(Object element) {
+					return null;
+				}
+			});
+			SelectionAdapter selectionAdapter = new SelectionAdapter() {
+				private static final long serialVersionUID = 1L;
+
+				boolean allSelected = false;
+
+				@Override
+				public void widgetSelected(SelectionEvent e) {
+					allSelected = !allSelected;
+					((CheckboxTableViewer) usersViewer)
+							.setAllChecked(allSelected);
+				}
+			};
+			column.getColumn().addSelectionListener(selectionAdapter);
+		}
+
+		// NodeViewerComparator comparator = new NodeViewerComparator();
+		// TODO enable the sort by click on the header
+		int i = offset;
+		for (ColumnDefinition colDef : columnDefs)
+			createTableColumn(viewer, layout, colDef);
+
+		// column = ViewerUtils.createTableViewerColumn(viewer,
+		// colDef.getHeaderLabel(), SWT.NONE, colDef.getColumnSize());
+		// column.setLabelProvider(new CLProvider(colDef.getPropertyName()));
+		// column.getColumn().addSelectionListener(
+		// JcrUiUtils.getNodeSelectionAdapter(i,
+		// colDef.getPropertyType(), colDef.getPropertyName(),
+		// comparator, viewer));
+		// i++;
+		// }
+
+		// IMPORTANT: initialize comparator before setting it
+		// ColumnDefinition firstCol = colDefs.get(0);
+		// comparator.setColumn(firstCol.getPropertyType(),
+		// firstCol.getPropertyName());
+		// viewer.setComparator(comparator);
+
+		return viewer;
+	}
+
+	/** Default creation of a column for a user table */
+	private TableViewerColumn createTableColumn(TableViewer tableViewer,
+			TableColumnLayout layout, ColumnDefinition columnDef) {
+
+		boolean resizable = true;
+		TableViewerColumn tvc = new TableViewerColumn(tableViewer, SWT.NONE);
+		TableColumn column = tvc.getColumn();
+
+		column.setText(columnDef.getLabel());
+		column.setWidth(columnDef.getMinWidth());
+		column.setResizable(resizable);
+
+		ColumnLabelProvider lp = columnDef.getLabelProvider();
+		// add a reference to the display to enable font management
+		if (lp instanceof UserAdminAbstractLP)
+			((UserAdminAbstractLP) lp).setDisplay(tableViewer.getTable()
+					.getDisplay());
+		tvc.setLabelProvider(lp);
+
+		layout.setColumnData(column, new ColumnWeightData(
+				columnDef.getWeight(), columnDef.getMinWidth(), resizable));
+
+		return tvc;
+	}
+}
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