--- /dev/null
+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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projects / lgpl / argeo-commons.git / blobdiff