--- /dev/null
+package org.argeo.cms.e4.maintenance;
+
+import static org.eclipse.swt.SWT.RIGHT;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.LinkedHashMap;
+
+import javax.jcr.ItemNotFoundException;
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.Property;
+import javax.jcr.PropertyIterator;
+import javax.jcr.PropertyType;
+import javax.jcr.RepositoryException;
+import javax.jcr.Value;
+
+import org.argeo.api.cms.ux.Cms2DSize;
+import org.argeo.cms.swt.CmsException;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.ui.CmsUiProvider;
+import org.argeo.cms.ui.util.CmsLink;
+import org.argeo.cms.ui.widgets.EditableImage;
+import org.argeo.cms.ui.widgets.Img;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ILazyContentProvider;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+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.custom.ScrolledComposite;
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Text;
+
+public class Browse implements CmsUiProvider {
+
+ // Some local constants to experiment. should be cleaned
+ private final static String BROWSE_PREFIX = "browse#";
+ private final static int THUMBNAIL_WIDTH = 400;
+ private final static int COLUMN_WIDTH = 160;
+ private DateFormat timeFormatter = new SimpleDateFormat("dd-MM-yyyy', 'HH:mm");
+
+ // keep a cache of the opened nodes
+ // Key is the path
+ private LinkedHashMap<String, FilterEntitiesVirtualTable> browserCols = new LinkedHashMap<String, Browse.FilterEntitiesVirtualTable>();
+ private Composite nodeDisplayParent;
+ private Composite colViewer;
+ private ScrolledComposite scrolledCmp;
+ private Text parentPathTxt;
+ private Text filterTxt;
+ private Node currEdited;
+
+ private String initialPath;
+
+ @Override
+ public Control createUi(Composite parent, Node context) throws RepositoryException {
+ if (context == null)
+ // return null;
+ throw new CmsException("Context cannot be null");
+ GridLayout layout = CmsSwtUtils.noSpaceGridLayout();
+ layout.numColumns = 2;
+ parent.setLayout(layout);
+
+ // Left
+ Composite leftCmp = new Composite(parent, SWT.NO_FOCUS);
+ leftCmp.setLayoutData(CmsSwtUtils.fillAll());
+ createBrowserPart(leftCmp, context);
+
+ // Right
+ nodeDisplayParent = new Composite(parent, SWT.NO_FOCUS | SWT.BORDER);
+ GridData gd = new GridData(SWT.RIGHT, SWT.FILL, false, true);
+ gd.widthHint = THUMBNAIL_WIDTH;
+ nodeDisplayParent.setLayoutData(gd);
+ createNodeView(nodeDisplayParent, context);
+
+ // INIT
+ setEdited(context);
+ initialPath = context.getPath();
+
+ // Workaround we don't yet manage the delete to display parent of the
+ // initial context node
+
+ return null;
+ }
+
+ private void createBrowserPart(Composite parent, Node context) throws RepositoryException {
+ GridLayout layout = CmsSwtUtils.noSpaceGridLayout();
+ parent.setLayout(layout);
+ Composite filterCmp = new Composite(parent, SWT.NO_FOCUS);
+ filterCmp.setLayoutData(CmsSwtUtils.fillWidth());
+
+ // top filter
+ addFilterPanel(filterCmp);
+
+ // scrolled composite
+ scrolledCmp = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.BORDER | SWT.NO_FOCUS);
+ scrolledCmp.setLayoutData(CmsSwtUtils.fillAll());
+ scrolledCmp.setExpandVertical(true);
+ scrolledCmp.setExpandHorizontal(true);
+ scrolledCmp.setShowFocusedControl(true);
+
+ colViewer = new Composite(scrolledCmp, SWT.NO_FOCUS);
+ scrolledCmp.setContent(colViewer);
+ scrolledCmp.addControlListener(new ControlAdapter() {
+ private static final long serialVersionUID = 6589392045145698201L;
+
+ @Override
+ public void controlResized(ControlEvent e) {
+ Rectangle r = scrolledCmp.getClientArea();
+ scrolledCmp.setMinSize(colViewer.computeSize(SWT.DEFAULT, r.height));
+ }
+ });
+ initExplorer(colViewer, context);
+ }
+
+ private Control initExplorer(Composite parent, Node context) throws RepositoryException {
+ parent.setLayout(CmsSwtUtils.noSpaceGridLayout());
+ createBrowserColumn(parent, context);
+ return null;
+ }
+
+ private Control createBrowserColumn(Composite parent, Node context) throws RepositoryException {
+ // TODO style is not correctly managed.
+ FilterEntitiesVirtualTable table = new FilterEntitiesVirtualTable(parent, SWT.BORDER | SWT.NO_FOCUS, context);
+ // CmsUiUtils.style(table, ArgeoOrgStyle.browserColumn.style());
+ table.filterList("*");
+ table.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, true));
+ browserCols.put(context.getPath(), table);
+ return null;
+ }
+
+ public void addFilterPanel(Composite parent) {
+
+ parent.setLayout(CmsSwtUtils.noSpaceGridLayout(new GridLayout(2, false)));
+
+ // Text Area for the filter
+ parentPathTxt = new Text(parent, SWT.NO_FOCUS);
+ parentPathTxt.setEditable(false);
+ filterTxt = new Text(parent, SWT.SEARCH | SWT.ICON_CANCEL);
+ filterTxt.setMessage("Filter current list");
+ filterTxt.setLayoutData(CmsSwtUtils.fillWidth());
+ filterTxt.addModifyListener(new ModifyListener() {
+ private static final long serialVersionUID = 7709303319740056286L;
+
+ public void modifyText(ModifyEvent event) {
+ modifyFilter(false);
+ }
+ });
+
+ filterTxt.addKeyListener(new KeyListener() {
+ private static final long serialVersionUID = -4523394262771183968L;
+
+ @Override
+ public void keyReleased(KeyEvent e) {
+ }
+
+ @Override
+ public void keyPressed(KeyEvent e) {
+ boolean shiftPressed = (e.stateMask & SWT.SHIFT) != 0;
+ // boolean altPressed = (e.stateMask & SWT.ALT) != 0;
+ FilterEntitiesVirtualTable currTable = null;
+ if (currEdited != null) {
+ FilterEntitiesVirtualTable table = browserCols.get(getPath(currEdited));
+ if (table != null && !table.isDisposed())
+ currTable = table;
+ }
+
+ try {
+ if (e.keyCode == SWT.ARROW_DOWN)
+ currTable.setFocus();
+ else if (e.keyCode == SWT.BS) {
+ if (filterTxt.getText().equals("")
+ && !(getPath(currEdited).equals("/") || getPath(currEdited).equals(initialPath))) {
+ setEdited(currEdited.getParent());
+ e.doit = false;
+ filterTxt.setFocus();
+ }
+ } else if (e.keyCode == SWT.TAB && !shiftPressed) {
+ if (currEdited.getNodes(filterTxt.getText() + "*").getSize() == 1) {
+ setEdited(currEdited.getNodes(filterTxt.getText() + "*").nextNode());
+ }
+ filterTxt.setFocus();
+ e.doit = false;
+ }
+ } catch (RepositoryException e1) {
+ throw new CmsException("Unexpected error in key management for " + currEdited + "with filter "
+ + filterTxt.getText(), e1);
+ }
+
+ }
+ });
+ }
+
+ private void setEdited(Node node) {
+ try {
+ currEdited = node;
+ CmsSwtUtils.clear(nodeDisplayParent);
+ createNodeView(nodeDisplayParent, currEdited);
+ nodeDisplayParent.layout();
+ refreshFilters(node);
+ refreshBrowser(node);
+ } catch (RepositoryException re) {
+ throw new CmsException("Unable to update browser for " + node, re);
+ }
+ }
+
+ private void refreshFilters(Node node) throws RepositoryException {
+ String currNodePath = node.getPath();
+ parentPathTxt.setText(currNodePath);
+ filterTxt.setText("");
+ filterTxt.getParent().layout();
+ }
+
+ private void refreshBrowser(Node node) throws RepositoryException {
+
+ // Retrieve
+ String currNodePath = node.getPath();
+ String currParPath = "";
+ if (!"/".equals(currNodePath))
+ currParPath = JcrUtils.parentPath(currNodePath);
+ if ("".equals(currParPath))
+ currParPath = "/";
+
+ Object[][] colMatrix = new Object[browserCols.size()][2];
+
+ int i = 0, j = -1, k = -1;
+ for (String path : browserCols.keySet()) {
+ colMatrix[i][0] = path;
+ colMatrix[i][1] = browserCols.get(path);
+ if (j >= 0 && k < 0 && !currNodePath.equals("/")) {
+ boolean leaveOpened = path.startsWith(currNodePath);
+
+ // workaround for same name siblings
+ // fix me weird side effect when we go left or click on anb
+ // already selected, unfocused node
+ if (leaveOpened && (path.lastIndexOf("/") == 0 && currNodePath.lastIndexOf("/") == 0
+ || JcrUtils.parentPath(path).equals(JcrUtils.parentPath(currNodePath))))
+ leaveOpened = JcrUtils.lastPathElement(path).equals(JcrUtils.lastPathElement(currNodePath));
+
+ if (!leaveOpened)
+ k = i;
+ }
+ if (currParPath.equals(path))
+ j = i;
+ i++;
+ }
+
+ if (j >= 0 && k >= 0)
+ // remove useless cols
+ for (int l = i - 1; l >= k; l--) {
+ browserCols.remove(colMatrix[l][0]);
+ ((FilterEntitiesVirtualTable) colMatrix[l][1]).dispose();
+ }
+
+ // Remove disposed columns
+ // TODO investigate and fix the mechanism that leave them there after
+ // disposal
+ if (browserCols.containsKey(currNodePath)) {
+ FilterEntitiesVirtualTable currCol = browserCols.get(currNodePath);
+ if (currCol.isDisposed())
+ browserCols.remove(currNodePath);
+ }
+
+ if (!browserCols.containsKey(currNodePath))
+ createBrowserColumn(colViewer, node);
+
+ colViewer.setLayout(CmsSwtUtils.noSpaceGridLayout(new GridLayout(browserCols.size(), false)));
+ // colViewer.pack();
+ colViewer.layout();
+ // also resize the scrolled composite
+ scrolledCmp.layout();
+ scrolledCmp.getShowFocusedControl();
+ // colViewer.getParent().layout();
+ // if (JcrUtils.parentPath(currNodePath).equals(currBrowserKey)) {
+ // } else {
+ // }
+ }
+
+ private void modifyFilter(boolean fromOutside) {
+ if (!fromOutside)
+ if (currEdited != null) {
+ String filter = filterTxt.getText() + "*";
+ FilterEntitiesVirtualTable table = browserCols.get(getPath(currEdited));
+ if (table != null && !table.isDisposed())
+ table.filterList(filter);
+ }
+
+ }
+
+ private String getPath(Node node) {
+ try {
+ return node.getPath();
+ } catch (RepositoryException e) {
+ throw new CmsException("Unable to get path for node " + node, e);
+ }
+ }
+
+ private Cms2DSize imageWidth = new Cms2DSize(250, 0);
+
+ /**
+ * Recreates the content of the box that displays information about the current
+ * selected node.
+ */
+ private Control createNodeView(Composite parent, Node context) throws RepositoryException {
+
+ parent.setLayout(new GridLayout(2, false));
+
+ if (isImg(context)) {
+ EditableImage image = new Img(parent, RIGHT, context, imageWidth);
+ image.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, false, 2, 1));
+ }
+
+ // Name and primary type
+ Label contextL = new Label(parent, SWT.NONE);
+ CmsSwtUtils.markup(contextL);
+ contextL.setText("<b>" + context.getName() + "</b>");
+ new Label(parent, SWT.NONE).setText(context.getPrimaryNodeType().getName());
+
+ // Children
+ for (NodeIterator nIt = context.getNodes(); nIt.hasNext();) {
+ Node child = nIt.nextNode();
+ new CmsLink(child.getName(), BROWSE_PREFIX + child.getPath()).createUi(parent, context);
+ new Label(parent, SWT.NONE).setText(child.getPrimaryNodeType().getName());
+ }
+
+ // Properties
+ for (PropertyIterator pIt = context.getProperties(); pIt.hasNext();) {
+ Property property = pIt.nextProperty();
+ Label label = new Label(parent, SWT.NONE);
+ label.setText(property.getName());
+ label.setToolTipText(JcrUtils.getPropertyDefinitionAsString(property));
+ new Label(parent, SWT.NONE).setText(getPropAsString(property));
+ }
+
+ return null;
+ }
+
+ private boolean isImg(Node node) throws RepositoryException {
+ // TODO support images
+ return false;
+// return node.hasNode(JCR_CONTENT) && node.isNodeType(CmsTypes.CMS_IMAGE);
+ }
+
+ private String getPropAsString(Property property) throws RepositoryException {
+ String result = "";
+ if (property.isMultiple()) {
+ result = getMultiAsString(property, ", ");
+ } else {
+ Value value = property.getValue();
+ if (value.getType() == PropertyType.BINARY)
+ result = "<binary>";
+ else if (value.getType() == PropertyType.DATE)
+ result = timeFormatter.format(value.getDate().getTime());
+ else
+ result = value.getString();
+ }
+ return result;
+ }
+
+ private String getMultiAsString(Property property, String separator) throws RepositoryException {
+ if (separator == null)
+ separator = "; ";
+ Value[] values = property.getValues();
+ StringBuilder builder = new StringBuilder();
+ for (Value val : values) {
+ String currStr = val.getString();
+ if (!"".equals(currStr.trim()))
+ builder.append(currStr).append(separator);
+ }
+ if (builder.lastIndexOf(separator) >= 0)
+ return builder.substring(0, builder.length() - separator.length());
+ else
+ return builder.toString();
+ }
+
+ /** Almost canonical implementation of a table that display entities */
+ private class FilterEntitiesVirtualTable extends Composite {
+ private static final long serialVersionUID = 8798147431706283824L;
+
+ // Context
+ private Node context;
+
+ // UI Objects
+ private TableViewer entityViewer;
+
+ // enable management of multiple columns
+ Node getNode() {
+ return context;
+ }
+
+ @Override
+ public boolean setFocus() {
+ if (entityViewer.getTable().isDisposed())
+ return false;
+ if (entityViewer.getSelection().isEmpty()) {
+ Object first = entityViewer.getElementAt(0);
+ if (first != null) {
+ entityViewer.setSelection(new StructuredSelection(first), true);
+ }
+ }
+ return entityViewer.getTable().setFocus();
+ }
+
+ void filterList(String filter) {
+ try {
+ NodeIterator nit = context.getNodes(filter);
+ refreshFilteredList(nit);
+ } catch (RepositoryException e) {
+ throw new CmsException("Unable to filter " + getNode() + " children with filter " + filter, e);
+ }
+
+ }
+
+ public FilterEntitiesVirtualTable(Composite parent, int style, Node context) {
+ super(parent, SWT.NO_FOCUS);
+ this.context = context;
+ populate();
+ }
+
+ protected void populate() {
+ Composite parent = this;
+ GridLayout layout = CmsSwtUtils.noSpaceGridLayout();
+
+ this.setLayout(layout);
+ createTableViewer(parent);
+ }
+
+ private void createTableViewer(final Composite parent) {
+ // the list
+ // We must limit the size of the table otherwise the full list is
+ // loaded
+ // before the layout happens
+ Composite listCmp = new Composite(parent, SWT.NO_FOCUS);
+ GridData gd = new GridData(SWT.LEFT, SWT.FILL, false, true);
+ gd.widthHint = COLUMN_WIDTH;
+ listCmp.setLayoutData(gd);
+ listCmp.setLayout(CmsSwtUtils.noSpaceGridLayout());
+
+ entityViewer = new TableViewer(listCmp, SWT.VIRTUAL | SWT.SINGLE);
+ Table table = entityViewer.getTable();
+
+ table.setLayoutData(CmsSwtUtils.fillAll());
+ table.setLinesVisible(true);
+ table.setHeaderVisible(false);
+ CmsSwtUtils.markup(table);
+
+ CmsSwtUtils.style(table, MaintenanceStyles.BROWSER_COLUMN);
+
+ // first column
+ TableViewerColumn column = new TableViewerColumn(entityViewer, SWT.NONE);
+ TableColumn tcol = column.getColumn();
+ tcol.setWidth(COLUMN_WIDTH);
+ tcol.setResizable(true);
+ column.setLabelProvider(new SimpleNameLP());
+
+ entityViewer.setContentProvider(new MyLazyCP(entityViewer));
+ entityViewer.addSelectionChangedListener(new ISelectionChangedListener() {
+
+ @Override
+ public void selectionChanged(SelectionChangedEvent event) {
+ IStructuredSelection selection = (IStructuredSelection) entityViewer.getSelection();
+ if (selection.isEmpty())
+ return;
+ else
+ setEdited((Node) selection.getFirstElement());
+
+ }
+ });
+
+ table.addKeyListener(new KeyListener() {
+ private static final long serialVersionUID = -330694313896036230L;
+
+ @Override
+ public void keyReleased(KeyEvent e) {
+ }
+
+ @Override
+ public void keyPressed(KeyEvent e) {
+
+ IStructuredSelection selection = (IStructuredSelection) entityViewer.getSelection();
+ Node selected = null;
+ if (!selection.isEmpty())
+ selected = ((Node) selection.getFirstElement());
+ try {
+ if (e.keyCode == SWT.ARROW_RIGHT) {
+ if (selected != null) {
+ setEdited(selected);
+ browserCols.get(selected.getPath()).setFocus();
+ }
+ } else if (e.keyCode == SWT.ARROW_LEFT) {
+ try {
+ selected = getNode().getParent();
+ String newPath = selected.getPath(); // getNode().getParent()
+ setEdited(selected);
+ if (browserCols.containsKey(newPath))
+ browserCols.get(newPath).setFocus();
+ } catch (ItemNotFoundException ie) {
+ // root silent
+ }
+ }
+ } catch (RepositoryException ie) {
+ throw new CmsException("Error while managing arrow " + "events in the browser for " + selected,
+ ie);
+ }
+ }
+ });
+ }
+
+ private class MyLazyCP implements ILazyContentProvider {
+ private static final long serialVersionUID = 1L;
+ private TableViewer viewer;
+ private Object[] elements;
+
+ public MyLazyCP(TableViewer viewer) {
+ this.viewer = viewer;
+ }
+
+ public void dispose() {
+ }
+
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ // IMPORTANT: don't forget this: an exception will be thrown if
+ // a selected object is not part of the results anymore.
+ viewer.setSelection(null);
+ this.elements = (Object[]) newInput;
+ }
+
+ public void updateElement(int index) {
+ viewer.replace(elements[index], index);
+ }
+ }
+
+ protected void refreshFilteredList(NodeIterator children) {
+ Object[] rows = JcrUtils.nodeIteratorToList(children).toArray();
+ entityViewer.setInput(rows);
+ entityViewer.setItemCount(rows.length);
+ entityViewer.refresh();
+ }
+
+ public class SimpleNameLP extends ColumnLabelProvider {
+ private static final long serialVersionUID = 2465059387875338553L;
+
+ @Override
+ public String getText(Object element) {
+ if (element instanceof Node) {
+ Node curr = ((Node) element);
+ try {
+ return curr.getName();
+ } catch (RepositoryException e) {
+ throw new CmsException("Unable to get name for" + curr);
+ }
+ }
+ return super.getText(element);
+ }
+ }
+ }
+}
\ No newline at end of file
projects / gpl / argeo-jcr.git / blobdiff