Refactor SWT directory structure.
[lgpl/argeo-commons.git] / eclipse / org.argeo.cms.e4 / src / org / argeo / cms / e4 / maintenance / Browse.java
diff --git a/eclipse/org.argeo.cms.e4/src/org/argeo/cms/e4/maintenance/Browse.java b/eclipse/org.argeo.cms.e4/src/org/argeo/cms/e4/maintenance/Browse.java
deleted file mode 100644 (file)
index a536da0..0000000
+++ /dev/null
@@ -1,576 +0,0 @@
-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);
-                       }
-               }
-       }
-}
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