Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package com.amalto.workbench.editors; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.regex.Pattern; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.ListViewer; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.KeyEvent; import org.eclipse.swt.events.KeyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Cursor; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.List; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.forms.editor.FormEditor; import org.eclipse.ui.forms.widgets.FormToolkit; import com.amalto.workbench.dialogs.DOMViewDialog; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.image.ImageCache; import com.amalto.workbench.models.IXObjectModelListener; import com.amalto.workbench.models.TreeObject; import com.amalto.workbench.providers.XObjectBrowserInput; import com.amalto.workbench.utils.Util; import com.amalto.workbench.utils.XtentisException; import com.amalto.workbench.webservices.TMDMService; import com.amalto.workbench.webservices.WSDataClusterPK; import com.amalto.workbench.webservices.WSGetView; import com.amalto.workbench.webservices.WSQuickSearch; import com.amalto.workbench.webservices.WSStringPredicate; import com.amalto.workbench.webservices.WSView; import com.amalto.workbench.webservices.WSViewPK; import com.amalto.workbench.webservices.WSViewSearch; import com.amalto.workbench.webservices.WSWhereAnd; import com.amalto.workbench.webservices.WSWhereCondition; import com.amalto.workbench.webservices.WSWhereItem; import com.amalto.workbench.webservices.WSWhereOperator; public class ViewBrowserMainPage extends AMainPage implements IXObjectModelListener { private static Log log = LogFactory.getLog(ViewBrowserMainPage.class); protected Combo dataClusterCombo; protected Text searchText; protected TableViewer resultsViewer; protected List viewableBEsList; protected List searchableBEsList; protected ListViewer wcListViewer; protected Label resultsLabel; protected Button matchAllWordsBtn; private Combo searchItemCombo; private final String FULL_TEXT = Messages.ViewBrowserMainPage_fullText; protected Combo clusterTypeCombo; public ViewBrowserMainPage(FormEditor editor) { super(editor, ViewBrowserMainPage.class.getName(), Messages.ViewBrowserMainPage_ViewBrowser + ((XObjectBrowserInput) editor.getEditorInput()).getName()); // listen to events ((XObjectBrowserInput) editor.getEditorInput()).addListener(this); } @Override protected void createCharacteristicsContent(FormToolkit toolkit, Composite charComposite) { try { Label vbeLabel = toolkit.createLabel(charComposite, Messages.ViewBrowserMainPage_ViewableElements, SWT.NULL); vbeLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); Label sbeLabel = toolkit.createLabel(charComposite, Messages.ViewBrowserMainPage_SearchableElements, SWT.NULL); sbeLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); viewableBEsList = new List(charComposite, SWT.SINGLE | SWT.V_SCROLL | SWT.BORDER); viewableBEsList.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); ((GridData) viewableBEsList.getLayoutData()).heightHint = 100; searchableBEsList = new List(charComposite, SWT.SINGLE | SWT.V_SCROLL | SWT.BORDER); searchableBEsList.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); ((GridData) searchableBEsList.getLayoutData()).heightHint = 100; Label wcLabel = toolkit.createLabel(charComposite, Messages.ViewBrowserMainPage_Conditions, SWT.NULL); wcLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 2, 1)); wcListViewer = new ListViewer(charComposite, SWT.BORDER); wcListViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); ((GridData) wcListViewer.getControl().getLayoutData()).minimumHeight = 100; wcListViewer.setContentProvider(new IStructuredContentProvider() { public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public Object[] getElements(Object inputElement) { return ((WSView) inputElement).getWhereConditions().toArray(); } }); wcListViewer.setLabelProvider(new ILabelProvider() { public Image getImage(Object element) { return null; } public String getText(Object element) { WSWhereCondition wc = (WSWhereCondition) element; String text = wc.getLeftPath() + " ";//$NON-NLS-1$ if (wc.getOperator().equals(WSWhereOperator.CONTAINS)) { text += "Contains";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.CONTAINS_SENTENCE)) { text += "contains the sentence";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.EQUALS)) { text += "=";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.GREATER_THAN)) { text += ">";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.GREATER_THAN_OR_EQUAL)) { text += ">=";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.JOIN)) { text += "Joins With";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.LOWER_THAN)) { text += "<";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.LOWER_THAN_OR_EQUAL)) { text += "<=";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.NOT_EQUALS)) { text += "!=";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.STARTSWITH)) { text += "Starts With";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.EMPTY_NULL)) { text += "Is Empty Or Null";//$NON-NLS-1$ } else if (wc.getOperator().equals(WSWhereOperator.FULLTEXTSEARCH)) { text += "whole content contains";//$NON-NLS-1$ } text += " ";//$NON-NLS-1$ if (!wc.getOperator().equals(WSWhereOperator.JOIN)) { text += "\"";//$NON-NLS-1$ } text += wc.getRightValueOrPath(); if (!wc.getOperator().equals(WSWhereOperator.JOIN)) { text += "\"";//$NON-NLS-1$ } text += " ";//$NON-NLS-1$ if (wc.getStringPredicate().equals(WSStringPredicate.AND)) { text += "[and]";//$NON-NLS-1$ } else if (wc.getStringPredicate().equals(WSStringPredicate.NONE)) { text += "";//$NON-NLS-1$ } else if (wc.getStringPredicate().equals(WSStringPredicate.OR)) { text += "[or]";//$NON-NLS-1$ } else if (wc.getStringPredicate().equals(WSStringPredicate.NOT)) { text += "[not]";//$NON-NLS-1$ } return text; } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return false; } public void removeListener(ILabelProviderListener listener) { } }); int columns = 6; Composite resultsGroup = this.getNewSectionComposite(Messages.ViewBrowserMainPage_SearchAndResults); resultsGroup.setLayout(new GridLayout(columns, false)); Composite createComposite = toolkit.createComposite(resultsGroup); GridLayout layout = new GridLayout(3, false); layout.marginWidth = 0; createComposite.setLayout(layout); createComposite.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1)); Label containerLabel = toolkit.createLabel(createComposite, Messages.ViewBrowserMainPage_Container, SWT.NULL); containerLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1)); dataClusterCombo = new Combo(createComposite, SWT.READ_ONLY | SWT.DROP_DOWN | SWT.SINGLE); dataClusterCombo.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1)); ((GridData) dataClusterCombo.getLayoutData()).minimumWidth = 100; clusterTypeCombo = new Combo(createComposite, SWT.READ_ONLY | SWT.SINGLE); GridData typeLayout = new GridData(SWT.CENTER, SWT.CENTER, true, false, 1, 1); typeLayout.horizontalIndent = 10; clusterTypeCombo.setLayoutData(typeLayout); Label searchOnLabel = toolkit.createLabel(resultsGroup, Messages.ViewBrowserMainPage_SearchOn, SWT.NULL); GridData layoutData = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1); layoutData.horizontalIndent = 20; searchOnLabel.setLayoutData(layoutData); searchItemCombo = new Combo(resultsGroup, SWT.READ_ONLY | SWT.DROP_DOWN | SWT.SINGLE); searchItemCombo.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1)); ((GridData) searchItemCombo.getLayoutData()).minimumWidth = 100; searchItemCombo.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (FULL_TEXT.equals(searchItemCombo.getText())) { matchAllWordsBtn.setEnabled(true); } else { matchAllWordsBtn.setSelection(false); matchAllWordsBtn.setEnabled(false); } } }); searchText = toolkit.createText(resultsGroup, "", SWT.BORDER);//$NON-NLS-1$ searchText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); searchText.addKeyListener(new KeyListener() { public void keyPressed(KeyEvent e) { } public void keyReleased(KeyEvent e) { if ((e.stateMask == 0) && (e.character == SWT.CR)) { ViewBrowserMainPage.this.resultsViewer.setInput(getResults()); } }// keyReleased }// keyListener ); Button bSearch = toolkit.createButton(resultsGroup, Messages.ViewBrowserMainPage_Search, SWT.CENTER); bSearch.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, true, 1, 1)); bSearch.addListener(SWT.Selection, new Listener() { public void handleEvent(Event event) { ViewBrowserMainPage.this.resultsViewer.setInput(getResults()); }; }); matchAllWordsBtn = toolkit.createButton(resultsGroup, Messages.ViewBrowserMainPage_MatchWholeSentence, SWT.CHECK); matchAllWordsBtn.setSelection(true); resultsLabel = toolkit.createLabel(resultsGroup, "", SWT.NULL); //$NON-NLS-1$ GridData resultLayoutData = new GridData(SWT.LEFT, SWT.CENTER, false, false, columns - 1, 1); resultLayoutData.widthHint = 100; resultsLabel.setLayoutData(resultLayoutData); resultsViewer = new TableViewer(resultsGroup); resultsViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, columns, 1)); ((GridData) resultsViewer.getControl().getLayoutData()).heightHint = 500; resultsViewer.setContentProvider(new ArrayContentProvider()); resultsViewer.setLabelProvider(new XMLTableLabelProvider()); resultsViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { resultsViewer.setSelection(event.getSelection()); try { new DOMViewAction(ViewBrowserMainPage.this.getSite().getShell(), resultsViewer).run(); } catch (Exception e) { MessageDialog.openError(ViewBrowserMainPage.this.getSite().getShell(), Messages._Error, Messages.bind(Messages.ViewBrowserMainPage_ErrorMsg, e.getClass().getName(), e.getLocalizedMessage())); } } }); hookContextMenu(); addListener(); } catch (Exception e) { log.error(e.getMessage(), e); } }// createCharacteristicsContent @Override protected void refreshData() { try { if (viewableBEsList.isDisposed() || searchableBEsList.isDisposed() || wcListViewer.getList().isDisposed() || searchItemCombo.isDisposed() || dataClusterCombo.isDisposed()) { return; } WSView view = null; if (getXObject().getWsObject() == null) { // then fetch from server TMDMService port = getMDMService(); view = port.getView(new WSGetView((WSViewPK) getXObject().getWsKey())); getXObject().setWsObject(view); } else { // it has been opened by an editor - use the object there view = (WSView) getXObject().getWsObject(); } java.util.List<String> paths = view.getViewableBusinessElements(); // Fill the vbe List viewableBEsList.removeAll(); for (String path : paths) { viewableBEsList.add(path); } paths = view.getSearchableBusinessElements(); searchableBEsList.removeAll(); searchItemCombo.removeAll(); if (paths != null) { for (String path : paths) { searchableBEsList.add(path); searchItemCombo.add(path); } } searchItemCombo.add(FULL_TEXT); searchItemCombo.setText(FULL_TEXT); wcListViewer.setInput(view); wcListViewer.refresh(); dataClusterCombo.removeAll(); java.util.List<WSDataClusterPK> dataClusterPKs = getDataClusterPKs(); if ((dataClusterPKs == null) || (dataClusterPKs.size() == 0)) { MessageDialog.openError(this.getSite().getShell(), Messages._Error, Messages.ViewBrowserMainPage_ErrorMsg1); return; } for (WSDataClusterPK pk : dataClusterPKs) { dataClusterCombo.add(pk.getPk()); } dataClusterCombo.select(0); clusterTypeCombo.setItems(getClusterTypes()); clusterTypeCombo.select(0); this.getManagedForm().reflow(true); searchText.setFocus(); } catch (Exception e) { log.error(e.getMessage(), e); if (!Util.handleConnectionException(this.getSite().getShell(), e, Messages.ViewBrowserMainPage_ErrorTitle2)) { MessageDialog.openError(this.getSite().getShell(), Messages.ViewBrowserMainPage_ErrorTitle2, Messages.bind(Messages.ViewBrowserMainPage_ErrorMsg2, e.getLocalizedMessage())); } } } protected String[] getClusterTypes() { return new String[0]; } protected java.util.List<WSDataClusterPK> getDataClusterPKs() throws MalformedURLException, XtentisException { return Util.getAllDataClusterPKs(new URL(getXObject().getEndpointAddress()), getXObject().getUsername(), getXObject().getPassword()); } @Override protected void commit() { try { } catch (Exception e) { log.error(e.getMessage(), e); MessageDialog.openError(this.getSite().getShell(), Messages.ViewBrowserMainPage_ErrorTitle3, Messages.bind(Messages.ViewBrowserMainPage_ErrorMsg3, e.getLocalizedMessage())); } } @Override protected void createActions() { } private void hookContextMenu() { MenuManager menuMgr = new MenuManager(); menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { manager.add(new DOMViewAction(ViewBrowserMainPage.this.getSite().getShell(), ViewBrowserMainPage.this.resultsViewer)); } }); Menu menu = menuMgr.createContextMenu(resultsViewer.getControl()); resultsViewer.getControl().setMenu(menu); getSite().registerContextMenu(menuMgr, resultsViewer); } private void addListener() { dataClusterCombo.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { clusterTypeCombo.setItems(getClusterTypes()); clusterTypeCombo.select(0); } }); } protected void fillContextMenu(IMenuManager manager) { return; } protected WSViewPK getViewPK() { return (WSViewPK) getXObject().getWsKey(); } public String[] getResults() { Cursor waitCursor = null; try { Display display = getEditor().getSite().getPage().getWorkbenchWindow().getWorkbench().getDisplay(); waitCursor = new Cursor(display, SWT.CURSOR_WAIT); this.getSite().getShell().setCursor(waitCursor); TMDMService service = getMDMService(); java.util.List<String> results = null; int maxItem = 10; String search = "".equals(searchText.getText()) ? "*" : searchText.getText(); //$NON-NLS-1$ //$NON-NLS-2$ WSDataClusterPK wsDataClusterPK = new WSDataClusterPK(dataClusterCombo.getText() + getPkAddition()); if (FULL_TEXT.equals(searchItemCombo.getText())) { boolean matchAllWords = matchAllWordsBtn.getSelection(); results = service.quickSearch(new WSQuickSearch(null, matchAllWords, maxItem, null, search, 0, Integer.MAX_VALUE, wsDataClusterPK, getViewPK())).getStrings(); } else { WSView wsview = (WSView) wcListViewer.getInput(); java.util.List<WSWhereCondition> array = wsview.getWhereConditions(); java.util.List<WSWhereItem> conditions = new ArrayList<WSWhereItem>(); for (WSWhereCondition condition : array) { WSWhereItem item = new WSWhereItem(null, condition, null); conditions.add(item); } WSWhereCondition condition = new WSWhereCondition(searchItemCombo.getText(), WSWhereOperator.CONTAINS, search, true, WSStringPredicate.AND); WSWhereItem item = new WSWhereItem(null, condition, null); conditions.add(item); WSWhereAnd and = new WSWhereAnd(conditions); WSWhereItem wi = new WSWhereItem(and, null, null); results = service.viewSearch( new WSViewSearch("ascending", maxItem, null, 0, -1, wi, wsDataClusterPK, getViewPK())) //$NON-NLS-1$ .getStrings(); } resultsLabel.setText(Messages.bind(Messages.ViewBrowserMainPage_Results, results.size() - 1)); if (results.size() > 1) { return results.subList(1, results.size()).toArray(new String[0]); } return new String[0]; } catch (Exception e) { log.error(e.getMessage(), e); if ((e.getLocalizedMessage() != null) && e.getLocalizedMessage().contains("10000")) { MessageDialog.openError(this.getSite().getShell(), Messages.ViewBrowserMainPage_ErrorTitle4, Messages.ViewBrowserMainPage_ErrorMsg4); } else if (!Util.handleConnectionException(this.getSite().getShell(), e, Messages.ViewBrowserMainPage_ErrorTitle5)) { MessageDialog.openError(this.getSite().getShell(), Messages.ViewBrowserMainPage_ErrorTitle5, e.getLocalizedMessage()); } return null; } finally { try { this.getSite().getShell().setCursor(null); waitCursor.dispose(); } catch (Exception e) { } } } protected String getPkAddition() { return ""; //$NON-NLS-1$ } class DOMViewAction extends Action { private Shell shell = null; private Viewer viewer; public DOMViewAction(Shell shell, Viewer viewer) { super(); this.shell = shell; this.viewer = viewer; setImageDescriptor(ImageCache.getImage("icons/add_obj.gif"));//$NON-NLS-1$ setText(Messages.ViewBrowserMainPage_ViewTree); setToolTipText(Messages.ViewBrowserMainPage_ViewAsDOMTree); } @Override public void run() { try { super.run(); IStructuredSelection selection = ((IStructuredSelection) viewer.getSelection()); String xml = (String) selection.getFirstElement(); // clean up highlights xml = xml.replaceAll("\\s*__h", "").replaceAll("h__\\s*", "");//$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ final DOMViewDialog d = new DOMViewDialog(ViewBrowserMainPage.this.getSite().getShell(), Util.parse(xml)); d.addListener(new Listener() { public void handleEvent(Event event) { if (event.button == DOMViewDialog.BUTTON_CLOSE) { d.close(); } } }); d.setBlockOnOpen(true); d.open(); d.close(); } catch (Exception e) { log.error(e.getMessage(), e); MessageDialog.openError(shell, Messages._Error, Messages.bind(Messages.ViewBrowserMainPage_ErrorMsg5, e.getLocalizedMessage())); } } @Override public void runWithEvent(Event event) { super.runWithEvent(event); } } protected static Pattern highlightLeft = Pattern.compile("\\s*__h");//$NON-NLS-1$ protected static Pattern highlightRight = Pattern.compile("h__\\s*");//$NON-NLS-1$ protected static Pattern emptyTags = Pattern.compile("\\s*<(.*?)\\/>\\s*");//$NON-NLS-1$ protected static Pattern openingTags = Pattern.compile("\\s*<([^\\/].*?[^\\/])>\\s*");//$NON-NLS-1$ protected static Pattern closingTags = Pattern.compile("\\s*</(.*?)>\\s*");//$NON-NLS-1$ class XMLTableLabelProvider implements ITableLabelProvider { public Image getColumnImage(Object element, int columnIndex) { return null; } public String getColumnText(Object element, int columnIndex) { String xml = (String) element; xml = highlightLeft.matcher(xml).replaceAll("");//$NON-NLS-1$ xml = highlightRight.matcher(xml).replaceAll("");//$NON-NLS-1$ xml = emptyTags.matcher(xml).replaceAll("[$1]");//$NON-NLS-1$ xml = openingTags.matcher(xml).replaceAll("[$1: ");//$NON-NLS-1$ xml = closingTags.matcher(xml).replaceAll("]");//$NON-NLS-1$ if (xml.length() >= 150) { return xml.substring(0, 150) + "...";//$NON-NLS-1$ } return xml; } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return false; } public void removeListener(ILabelProviderListener listener) { } } /********************************* * IXObjectModelListener interface */ public void handleEvent(int type, TreeObject parent, TreeObject child) { refreshData(); } }