Java tutorial
/******************************************************************************* * Copyright (c) 2001, 2010 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Jens Lukowski/Innoopract - initial renaming/restructuring * *******************************************************************************/ package org.eclipse.wst.xml.ui.internal.dialogs; import com.ibm.icu.text.Collator; import java.util.Arrays; import java.util.Collection; import java.util.Comparator; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.wst.common.uriresolver.internal.util.URIHelper; import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogEntry; import org.eclipse.wst.xml.ui.internal.editor.XMLEditorPluginImageHelper; import org.eclipse.wst.xml.ui.internal.editor.XMLEditorPluginImages; public class XMLCatalogTableViewer extends TableViewer { public class CatalogEntryContentProvider implements IStructuredContentProvider { public void dispose() { } public Object[] getElements(Object element) { Object[] array = getXMLCatalogEntries().toArray(); Comparator comparator = new Comparator() { public int compare(Object o1, Object o2) { int result = 0; if ((o1 instanceof ICatalogEntry) && (o2 instanceof ICatalogEntry)) { ICatalogEntry mappingInfo1 = (ICatalogEntry) o1; ICatalogEntry mappingInfo2 = (ICatalogEntry) o2; result = Collator.getInstance().compare(mappingInfo1.getKey(), mappingInfo2.getKey()); } return result; } }; Arrays.sort(array, comparator); return array; } public void inputChanged(Viewer viewer, Object old, Object newobj) { } public boolean isDeleted(Object object) { return false; } } public class CatalogEntryLabelProvider extends LabelProvider implements ITableLabelProvider { public Image getColumnImage(Object object, int columnIndex) { Image result = null; if (columnIndex == 0) { Image base = null; if (object instanceof ICatalogEntry) { ICatalogEntry catalogEntry = (ICatalogEntry) object; String uri = catalogEntry.getURI(); if (uri.endsWith("dtd")) { //$NON-NLS-1$ base = dtdFileImage; } else if (uri.endsWith("xsd")) { //$NON-NLS-1$ base = xsdFileImage; } else { base = unknownFileImage; } if (base != null) { if (URIHelper.isReadableURI(uri, false)) { result = base; } else { // TODO... SSE port result = base;// imageFactory.createCompositeImage(base, // errorImage, // ImageFactory.BOTTOM_LEFT); } } } } return result; } public String getColumnText(Object object, int columnIndex) { String result = null; if (object instanceof ICatalogEntry) { ICatalogEntry catalogEntry = (ICatalogEntry) object; result = columnIndex == 0 ? catalogEntry.getKey() : catalogEntry.getURI(); result = URIHelper.removePlatformResourceProtocol(result); } return result != null ? result : ""; //$NON-NLS-1$ } } class XMLCatalogTableViewerFilter extends ViewerFilter { protected String[] extensions; public XMLCatalogTableViewerFilter(String[] extensions) { this.extensions = extensions; } public boolean isFilterProperty(Object element, Object property) { return false; } public boolean select(Viewer viewer, Object parent, Object element) { boolean result = false; if (element instanceof ICatalogEntry) { ICatalogEntry catalogEntry = (ICatalogEntry) element; for (int i = 0; i < extensions.length; i++) { if (catalogEntry.getURI().endsWith(extensions[i])) { result = true; break; } } } return result; } } protected static Image dtdFileImage = XMLEditorPluginImageHelper.getInstance() .getImage(XMLEditorPluginImages.IMG_OBJ_DTDFILE); protected static String ERROR_STATE_KEY = "errorstatekey"; //$NON-NLS-1$ protected static Image errorImage = XMLEditorPluginImageHelper.getInstance() .getImage(XMLEditorPluginImages.IMG_OVR_ERROR); protected static Image unknownFileImage = XMLEditorPluginImageHelper.getInstance() .getImage(XMLEditorPluginImages.IMG_OBJ_TXTEXT); protected static Image xsdFileImage = XMLEditorPluginImageHelper.getInstance() .getImage(XMLEditorPluginImages.IMG_OBJ_XSDFILE); // protected ImageFactory imageFactory = new ImageFactory(); public XMLCatalogTableViewer(Composite parent, String[] columnProperties) { super(parent, SWT.FULL_SELECTION | SWT.BORDER); Table table = getTable(); table.setLinesVisible(true); table.setHeaderVisible(true); table.setLinesVisible(true); TableLayout layout = new TableLayout(); for (int i = 0; i < columnProperties.length; i++) { TableColumn column = new TableColumn(table, i); column.setText(columnProperties[i]); column.setAlignment(SWT.LEFT); layout.addColumnData(new ColumnWeightData(50, true)); } table.setLayout(layout); table.setLinesVisible(false); setColumnProperties(columnProperties); setContentProvider(new CatalogEntryContentProvider()); setLabelProvider(new CatalogEntryLabelProvider()); } public Collection getXMLCatalogEntries() { return null; } public void menuAboutToShow(IMenuManager menuManager) { Action action = new Action("hello") { //$NON-NLS-1$ public void run() { System.out.println("run!"); //$NON-NLS-1$ } }; menuManager.add(action); } public void setFilterExtensions(String[] extensions) { resetFilters(); addFilter(new XMLCatalogTableViewerFilter(extensions)); } }