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.dialogs; import java.awt.Panel; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionListener; 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.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.widgets.TreeItem; import org.eclipse.ui.IWorkbenchPartSite; import org.eclipse.ui.part.DrillDownAdapter; import org.eclipse.xsd.XSDConcreteComponent; import org.eclipse.xsd.XSDElementDeclaration; import org.eclipse.xsd.XSDFacet; import org.eclipse.xsd.XSDIdentityConstraintCategory; import org.eclipse.xsd.XSDIdentityConstraintDefinition; import org.eclipse.xsd.XSDParticle; import org.eclipse.xsd.XSDSchema; import com.amalto.workbench.detailtabs.sections.util.MDMRepositoryViewExtensionService; import com.amalto.workbench.dialogs.datamodel.IXPathSelectionFilter; import com.amalto.workbench.dialogs.datamodel.IXPathSelectionFilter.FilterResult; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.models.TreeObject; import com.amalto.workbench.models.TreeParent; import com.amalto.workbench.providers.XPathTreeContentProvider; import com.amalto.workbench.providers.XSDTreeLabelProvider; import com.amalto.workbench.utils.Util; import com.amalto.workbench.utils.XtentisException; import com.amalto.workbench.webservices.TMDMService; import com.amalto.workbench.webservices.WSDataModel; import com.amalto.workbench.webservices.WSDataModelPK; import com.amalto.workbench.webservices.WSGetDataModel; public class XpathSelectDialog extends Dialog { private static Log log = LogFactory.getLog(XpathSelectDialog.class); protected Label schemaLabel = null; protected Combo languagesCombo; protected TreeViewer domViewer; private String title = Messages.XpathSelectDialog_SelectXpath; protected TreeParent parent; protected Combo dataModelCombo; // protected TreeObject xobject; protected DrillDownAdapter drillDownAdapter; protected IWorkbenchPartSite site; protected Panel panel; protected Text xpathText; private Text filterText; protected Button add; protected SelectionListener listener; // TODO:check This two static String and there related static methods may cause some problems. public String dataModelName; private String xpath = "";//$NON-NLS-1$ private boolean isMulti = true; protected String conceptName; protected static String context; private List<String> avaiList; private boolean isAbsolutePath = false; private boolean lock; private IXPathSelectionFilter selectionFilter; public XpathSelectDialog(Shell parentShell, TreeParent parent, String title, IWorkbenchPartSite site, boolean isMulti, String dataModelName) { this(parentShell, parent, title, site, isMulti, dataModelName, false); } public XpathSelectDialog(Shell parentShell, TreeParent parent, String title, IWorkbenchPartSite site, boolean isMulti, String dataModelName, boolean isAbsolutePath) { this(parentShell, parent, title, site, isMulti, dataModelName, isAbsolutePath, null); } public XpathSelectDialog(Shell parentShell, TreeParent parent, String title, IWorkbenchPartSite site, boolean isMulti, String dataModelName, boolean isAbsolutePath, IXPathSelectionFilter filter) { super(parentShell); this.title = title; this.parent = parent; this.site = site; this.isMulti = isMulti; this.isAbsolutePath = isAbsolutePath; this.selectionFilter = filter; if (dataModelName != null) { this.dataModelName = dataModelName;// default dataModel } if (site == null) { this.site = MDMRepositoryViewExtensionService.getMDMRepositoryViewSite(); } } public boolean isLock() { return lock; } public void setLock(boolean lock) { this.lock = lock; } public String getEntityName() { if (xpath == null || "".equals(xpath)) { return "";//$NON-NLS-1$ } String[] parts = xpath.split("/");//$NON-NLS-1$ for (String eachPart : parts) { if ("".equals(eachPart)) { continue; } return eachPart; } return "";//$NON-NLS-1$ } private String getXpath(StructuredSelection sel) { String path = "";//$NON-NLS-1$ String totalXpath = "";//$NON-NLS-1$ TreeItem item; TreeItem[] items = domViewer.getTree().getSelection(); for (int i = 0; i < items.length; i++) { item = items[i]; XSDConcreteComponent component = (XSDConcreteComponent) item.getData(); if (!(component instanceof XSDParticle) && !(component instanceof XSDElementDeclaration)) { continue; } do { component = (XSDConcreteComponent) item.getData(); if (component instanceof XSDParticle) { if (((XSDParticle) component).getTerm() instanceof XSDElementDeclaration) { path = "/" + ((XSDElementDeclaration) ((XSDParticle) component).getTerm()).getName() + path;//$NON-NLS-1$ } } else if (component instanceof XSDElementDeclaration) { path = (isAbsolutePath ? "/" : "") + ((XSDElementDeclaration) component).getName() + path;//$NON-NLS-1$//$NON-NLS-2$ } item = item.getParentItem(); } while (item != null); if (i == 0) { totalXpath = path; } else { totalXpath += "&" + path;//$NON-NLS-1$ } path = "";//$NON-NLS-1$ } // for(i=0 if (context != null && conceptName != null) { if (totalXpath.equals(conceptName)) { totalXpath = totalXpath.replaceAll(conceptName, "/");//$NON-NLS-1$ } else { totalXpath = totalXpath.replaceAll(conceptName + "/", "");//$NON-NLS-1$//$NON-NLS-2$ } if (totalXpath.equals(context) || totalXpath.equals(context.replaceAll(conceptName + "/", ""))) {//$NON-NLS-1$//$NON-NLS-2$ totalXpath = ".";//$NON-NLS-1$ } if (totalXpath.indexOf('/') == -1 && !totalXpath.equals(".") && !"/".equals(totalXpath) //$NON-NLS-1$//$NON-NLS-2$ && !"/".equals(context)//$NON-NLS-1$ && !context.equals(conceptName)) { totalXpath = "../" + totalXpath;//$NON-NLS-1$ } } return totalXpath; } protected List<String> getAvailableDataModel() { return Util.getDataModel(this.parent, dataModelName, conceptName); } @Override protected Control createDialogArea(Composite parent) { parent.getShell().setText(this.title); Composite composite = (Composite) super.createDialogArea(parent); GridLayout layout = (GridLayout) composite.getLayout(); layout.makeColumnsEqualWidth = false; layout.numColumns = 2; Label datamoelsLabel = new Label(composite, SWT.NONE); GridData dg = new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1); datamoelsLabel.setLayoutData(dg); datamoelsLabel.setText(Messages.XpathSelectDialog_DataModels); dg = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); dg.widthHint = 400; dataModelCombo = new Combo(composite, SWT.READ_ONLY | SWT.DROP_DOWN | SWT.SINGLE); dataModelCombo.setLayoutData(dg); // Modified by hbhong,to fix bug 21784|the following can cause potential error,so comment it // if (this.parent == null) { // this.parent = (TreeParent) ServerView.show().getRoot().getChildren()[0]; // } // The ending| bug:21784 final TreeParent tree = this.parent == null ? null : this.parent.findServerFolder(TreeObject.DATA_MODEL); // filter the datamodel according to conceptName if (tree != null) { avaiList = getAvailableDataModel(); } else { avaiList = MDMRepositoryViewExtensionService.findAllDataModelNames(); } dataModelCombo.setItems(avaiList.toArray(new String[avaiList.size()])); dataModelCombo.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { } public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { changeDomTree(tree, filterText.getText()); } }); schemaLabel = new Label(composite, SWT.NONE); schemaLabel.setText(Messages.XpathSelectDialog_Xpath); schemaLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); ((GridData) schemaLabel.getLayoutData()).widthHint = 10; xpathText = new Text(composite, SWT.BORDER); xpathText.setEditable(false); xpathText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); // add the filter for the xpath,see bug 0016511: Entity filtering in select multiple xpath dialog: Label filterLabel = new Label(composite, SWT.NONE); filterLabel.setText(Messages.XpathSelectDialog_Filter); filterLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1)); filterText = new Text(composite, SWT.BORDER); filterText.setEditable(true); filterText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); if (conceptName != null) { filterText.setText(conceptName); } else { filterText.setText("");//$NON-NLS-1$ } filterText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { String filter = ((Text) e.widget).getText(); changeDomTree(tree, filter); } }); if (isMulti) { domViewer = new TreeViewer(composite, SWT.H_SCROLL | SWT.MULTI | SWT.V_SCROLL | SWT.BORDER); } else { domViewer = new TreeViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); } int index = avaiList.indexOf(dataModelName); if (index < 0) { dataModelCombo.select(0); } else { dataModelCombo.select(index); } dataModelCombo.setEnabled(!lock); changeDomTree(tree, filterText.getText()); domViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); ((GridData) domViewer.getControl().getLayoutData()).heightHint = 400; ((GridData) domViewer.getControl().getLayoutData()).widthHint = 400; return composite; } protected void changeDomTree(final TreeParent pObject, String filter) { String modelDisplay = dataModelCombo.getText(); if (modelDisplay.length() == 0) { return; } this.dataModelName = modelDisplay; // this.selectedDataModelName = modelDisplay; // xobject = pObject.findObject(TreeObject.DATA_MODEL, modelDisplay); TMDMService service = null; try { service = Util.getMDMService(pObject); } catch (XtentisException e3) { log.error(e3.getMessage(), e3); } catch (Exception e3) { log.error(e3.getMessage(), e3); } WSDataModel wsDataModel = null; String schema = null; XSDSchema xsd = null; if (service == null) { xsd = MDMRepositoryViewExtensionService.getDataModelXsd(pObject, filter, dataModelName); provideViwerContent(xsd, filter); } else { try { wsDataModel = service.getDataModel(new WSGetDataModel(new WSDataModelPK(dataModelName))); // XSDSchema xsdSchema = Util.getXSDSchema(wsDataModel.getXsdSchema()); schema = wsDataModel.getXsdSchema();// Util.nodeToString(xsdSchema.getDocument()); xsd = Util.createXsdSchema(schema, pObject); provideViwerContent(xsd, filter); } catch (Exception e1) { log.error(e1.getMessage(), e1); } } }// changeDomTree( protected void provideViwerContent(XSDSchema xsdSchema, String filter) { drillDownAdapter = new DrillDownAdapter(domViewer); domViewer.setLabelProvider(new XSDTreeLabelProvider(selectionFilter)); XPathTreeContentProvider provider = new XPathTreeContentProvider(this.site, xsdSchema, parent, filter); // filter the entity with the filter text but not the concept name. // provider.setConceptName(this.conceptName); domViewer.setContentProvider(provider); domViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent e) { StructuredSelection sel = (StructuredSelection) e.getSelection(); xpath = getXpath(sel); xpathText.setText(xpath); boolean enable = false; if (selectionFilter == null) { enable = xpath.length() > 0; } else { enable = xpath.length() > 0 && (selectionFilter.check(sel.getFirstElement()) == FilterResult.ENABLE); } getButton(IDialogConstants.OK_ID).setEnabled(enable); } }); domViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true)); domViewer.setSorter(new ViewerSorter() { @Override public int category(Object element) { // we want facets before Base TypeDefinitions in // SimpleTypeDefinition if (element instanceof XSDFacet) { return 100; } // unique keys after element declarations and before other keys if (element instanceof XSDIdentityConstraintDefinition) { XSDIdentityConstraintDefinition icd = (XSDIdentityConstraintDefinition) element; if (icd.getIdentityConstraintCategory().equals(XSDIdentityConstraintCategory.UNIQUE_LITERAL)) { return 300; } else if (icd.getIdentityConstraintCategory() .equals(XSDIdentityConstraintCategory.KEY_LITERAL)) { return 301; } else { return 302; } } return 200; } @Override public int compare(Viewer theViewer, Object e1, Object e2) { int cat1 = category(e1); int cat2 = category(e2); return cat1 - cat2; } }); domViewer.setInput(site); } @Override protected Control createButtonBar(Composite parent) { Control btnBar = super.createButtonBar(parent); getButton(IDialogConstants.OK_ID).setText(Messages._Add); return btnBar; } public String getXpath() { return xpath; } public String getDataModelName() { return dataModelName; } public void setDataModelName(String dataModelName) { this.dataModelName = dataModelName; } public String getConceptName() { return conceptName; } public void setConceptName(String conceptName) { this.conceptName = conceptName; } public static String getContext() { return context; } public static void setContext(String c) { context = c; } public void setSelectionFilter(IXPathSelectionFilter selectionFilter) { this.selectionFilter = selectionFilter; } }