X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.eclipse.ui%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Feclipse%2Fui%2Fjcr%2Feditors%2FAbstractJcrQueryEditor.java;fp=org.argeo.eclipse.ui%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Feclipse%2Fui%2Fjcr%2Feditors%2FAbstractJcrQueryEditor.java;h=0000000000000000000000000000000000000000;hb=e61dd9dda88354091625cca85aa7c96d196688b3;hp=5e7d6964415055b7390090ce4ff18fd061e75273;hpb=cf3a914f6fbf31b43be5cb86e54d05e8543be6a9;p=lgpl%2Fargeo-commons.git diff --git a/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/jcr/editors/AbstractJcrQueryEditor.java b/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/jcr/editors/AbstractJcrQueryEditor.java deleted file mode 100644 index 5e7d69644..000000000 --- a/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/jcr/editors/AbstractJcrQueryEditor.java +++ /dev/null @@ -1,354 +0,0 @@ -/* - * Copyright (C) 2007-2012 Argeo GmbH - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.argeo.eclipse.ui.jcr.editors; - -import java.util.ArrayList; -import java.util.List; - -import javax.jcr.RepositoryException; -import javax.jcr.Session; -import javax.jcr.query.QueryResult; -import javax.jcr.query.Row; -import javax.jcr.query.RowIterator; - -import org.apache.commons.logging.Log; -import org.apache.commons.logging.LogFactory; -import org.argeo.ArgeoException; -import org.argeo.eclipse.ui.GenericTableComparator; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; -import org.eclipse.jface.dialogs.ErrorDialog; -import org.eclipse.jface.viewers.ColumnLabelProvider; -import org.eclipse.jface.viewers.IDoubleClickListener; -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.custom.SashForm; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.layout.FillLayout; -import org.eclipse.swt.layout.GridData; -import org.eclipse.swt.layout.GridLayout; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.TableColumn; -import org.eclipse.ui.IEditorInput; -import org.eclipse.ui.IEditorSite; -import org.eclipse.ui.PartInitException; -import org.eclipse.ui.part.EditorPart; - -/** Executes any JCR query. */ -public abstract class AbstractJcrQueryEditor extends EditorPart { - private final static Log log = LogFactory - .getLog(AbstractJcrQueryEditor.class); - - protected String initialQuery; - protected String initialQueryType; - - /* DEPENDENCY INJECTION */ - private Session session; - - // Widgets - private TableViewer viewer; - private List tableViewerColumns = new ArrayList(); - private GenericTableComparator comparator; - - /** Override to layout a form enabling the end user to build his query */ - protected abstract void createQueryForm(Composite parent); - - @Override - public void init(IEditorSite site, IEditorInput input) - throws PartInitException { - JcrQueryEditorInput editorInput = (JcrQueryEditorInput) input; - initialQuery = editorInput.getQuery(); - initialQueryType = editorInput.getQueryType(); - setSite(site); - setInput(editorInput); - } - - @Override - public final void createPartControl(final Composite parent) { - parent.setLayout(new FillLayout()); - - SashForm sashForm = new SashForm(parent, SWT.VERTICAL); - sashForm.setSashWidth(4); - sashForm.setLayout(new FillLayout()); - - Composite top = new Composite(sashForm, SWT.NONE); - GridLayout gl = new GridLayout(1, false); - top.setLayout(gl); - - createQueryForm(top); - - Composite bottom = new Composite(sashForm, SWT.NONE); - bottom.setLayout(new GridLayout(1, false)); - sashForm.setWeights(getWeights()); - - viewer = new TableViewer(bottom); - viewer.getTable().setLayoutData( - new GridData(SWT.FILL, SWT.FILL, true, true)); - viewer.getTable().setHeaderVisible(true); - viewer.setContentProvider(getQueryResultContentProvider()); - viewer.setInput(getEditorSite()); - - if (getComparator() != null) { - comparator = getComparator(); - viewer.setComparator(comparator); - } - if (getTableDoubleClickListener() != null) - viewer.addDoubleClickListener(getTableDoubleClickListener()); - - } - - protected void executeQuery(String statement) { - try { - if (log.isDebugEnabled()) - log.debug("Query : " + statement); - - QueryResult qr = session.getWorkspace().getQueryManager() - .createQuery(statement, initialQueryType).execute(); - - // remove previous columns - for (TableViewerColumn tvc : tableViewerColumns) - tvc.getColumn().dispose(); - - int i = 0; - for (final String columnName : qr.getColumnNames()) { - TableViewerColumn tvc = new TableViewerColumn(viewer, SWT.NONE); - configureColumn(columnName, tvc, i); - tvc.setLabelProvider(getLabelProvider(columnName)); - tableViewerColumns.add(tvc); - i++; - } - - // Must create a local list: QueryResults can only be read once. - try { - List rows = new ArrayList(); - RowIterator rit = qr.getRows(); - while (rit.hasNext()) { - rows.add(rit.nextRow()); - } - viewer.setInput(rows); - } catch (RepositoryException e) { - throw new ArgeoException("Cannot read query result", e); - } - - } catch (RepositoryException e) { - ErrorDialog.openError(null, "Error", "Cannot execute JCR query: " - + statement, new Status(IStatus.ERROR, - "org.argeo.eclipse.ui.jcr", e.getMessage())); - } - } - - /** - * To be overidden to adapt size of form and result frames. - * - * @return - */ - protected int[] getWeights() { - return new int[] { 30, 70 }; - } - - /** - * To be overidden to implement a doubleclick Listener on one of the rows of - * the table. - * - * @return - */ - protected IDoubleClickListener getTableDoubleClickListener() { - return null; - } - - /** - * To be overiden in order to implement a specific - * QueryResultContentProvider - */ - protected IStructuredContentProvider getQueryResultContentProvider() { - return new QueryResultContentProvider(); - } - - /** - * Enable specific implementation for columns - */ - protected List getTableViewerColumns() { - return tableViewerColumns; - } - - /** - * Enable specific implementation for columns - */ - protected TableViewer getTableViewer() { - return viewer; - } - - /** - * To be overridden in order to configure column label providers . - */ - protected ColumnLabelProvider getLabelProvider(final String columnName) { - return new ColumnLabelProvider() { - public String getText(Object element) { - Row row = (Row) element; - try { - return row.getValue(columnName).getString(); - } catch (RepositoryException e) { - throw new ArgeoException("Cannot display row " + row, e); - } - } - - public Image getImage(Object element) { - return null; - } - }; - } - - /** - * To be overridden in order to configure the columns. - * - * @deprecated use {@link - * org.argeo.eclipse.ui.jcr.editors.AbstractJcrQueryEditor. - * configureColumn(String jcrColumnName, TableViewerColumn - * column, int columnIndex)} instead - */ - protected void configureColumn(String jcrColumnName, - TableViewerColumn column) { - column.getColumn().setWidth(50); - column.getColumn().setText(jcrColumnName); - } - - /** To be overridden in order to configure the columns. */ - protected void configureColumn(String jcrColumnName, - TableViewerColumn column, int columnIndex) { - column.getColumn().setWidth(50); - column.getColumn().setText(jcrColumnName); - } - - private class QueryResultContentProvider implements - IStructuredContentProvider { - - public void dispose() { - } - - public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { - } - - public Object[] getElements(Object inputElement) { - - if (inputElement instanceof List) - return ((List) inputElement).toArray(); - - // Never reached might be deleted in future release - if (!(inputElement instanceof QueryResult)) - return new String[] {}; - - try { - QueryResult queryResult = (QueryResult) inputElement; - List rows = new ArrayList(); - RowIterator rit = queryResult.getRows(); - while (rit.hasNext()) { - rows.add(rit.nextRow()); - } - - // List elems = new ArrayList(); - // NodeIterator nit = queryResult.getNodes(); - // while (nit.hasNext()) { - // elems.add(nit.nextNode()); - // } - return rows.toArray(); - } catch (RepositoryException e) { - throw new ArgeoException("Cannot read query result", e); - } - } - - } - - /** - * Might be used by children classes to sort columns. - * - * @param column - * @param index - * @return - */ - protected SelectionAdapter getSelectionAdapter(final TableColumn column, - final int index) { - - // A comparator must be define - if (comparator == null) - return null; - - SelectionAdapter selectionAdapter = new SelectionAdapter() { - @Override - public void widgetSelected(SelectionEvent e) { - - try { - - comparator.setColumn(index); - int dir = viewer.getTable().getSortDirection(); - if (viewer.getTable().getSortColumn() == column) { - dir = dir == SWT.UP ? SWT.DOWN : SWT.UP; - } else { - - dir = SWT.DOWN; - } - viewer.getTable().setSortDirection(dir); - viewer.getTable().setSortColumn(column); - viewer.refresh(); - } catch (Exception exc) { - exc.printStackTrace(); - } - } - }; - return selectionAdapter; - } - - /** - * To be overridden to enable sorting. - */ - protected GenericTableComparator getComparator() { - return null; - } - - @Override - public boolean isDirty() { - return false; - } - - @Override - public void doSave(IProgressMonitor monitor) { - // TODO save the query in JCR? - } - - @Override - public void doSaveAs() { - } - - @Override - public boolean isSaveAsAllowed() { - return false; - } - - /** Returns the injected current session */ - protected Session getSession() { - return session; - } - - /* DEPENDENCY INJECTION */ - public void setSession(Session session) { - this.session = session; - } -}