Java tutorial
/******************************************************************************* * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved. * 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 *******************************************************************************/ /** * */ package org.ebayopensource.turmeric.eclipse.services.ui.wizards.pages; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.commons.lang.StringUtils; import org.ebayopensource.turmeric.eclipse.core.logging.SOALogger; import org.ebayopensource.turmeric.eclipse.core.model.IParameterElement; import org.ebayopensource.turmeric.eclipse.core.model.services.ServiceFromTemplateWsdlParamModel; import org.ebayopensource.turmeric.eclipse.core.model.services.ServiceFromTemplateWsdlParamModel.Operation; import org.ebayopensource.turmeric.eclipse.core.model.services.ServiceFromTemplateWsdlParamModel.Parameter; import org.ebayopensource.turmeric.eclipse.core.model.services.ServiceFromTemplateWsdlParamModel.TemplateWSDLModel; import org.ebayopensource.turmeric.eclipse.core.resources.constants.SOAProjectConstants; import org.ebayopensource.turmeric.eclipse.repositorysystem.core.GlobalRepositorySystem; import org.ebayopensource.turmeric.eclipse.repositorysystem.core.ISOAHelpProvider; import org.ebayopensource.turmeric.eclipse.ui.SOABasePage; import org.ebayopensource.turmeric.eclipse.ui.SOABaseWizard; import org.ebayopensource.turmeric.eclipse.utils.collections.ListUtil; import org.ebayopensource.turmeric.eclipse.utils.plugin.JDTUtil; import org.ebayopensource.turmeric.eclipse.utils.ui.UIUtil; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.viewers.AbstractTreeViewer; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.DialogCellEditor; import org.eclipse.jface.viewers.ICellModifier; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.IWizard; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; 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.Tree; import org.eclipse.swt.widgets.TreeColumn; import org.eclipse.swt.widgets.TreeItem; /** * The Class ServiceFromNewWSDLAddOperationWizardPage. * * @author yayu */ public class ServiceFromNewWSDLAddOperationWizardPage extends SOABasePage { /** The Constant COLUMN_NAME. */ public static final String COLUMN_NAME = "name"; /** The Constant COLUMN_INPUT_PARAM. */ public static final String COLUMN_INPUT_PARAM = "input_param"; /** The Constant COLUMN_OUTPUT_PARAM. */ public static final String COLUMN_OUTPUT_PARAM = "output_param"; /** The Constant OPERATION_COLUMN_PROPERTIES. */ public static final String[] OPERATION_COLUMN_PROPERTIES = { COLUMN_NAME, COLUMN_INPUT_PARAM, COLUMN_OUTPUT_PARAM }; private List<Operation> operations = new ArrayList<Operation>(); private List<Operation> newOperations = new ArrayList<Operation>(); private boolean needControlButtons = true; //UI controls private TreeViewer operationViewer; private Button addOpBtn; private Button removeOpBtn; private Button upOpBtn; private Button downOpBtn; /** * Instantiates a new service from new wsdl add operation wizard page. * */ public ServiceFromNewWSDLAddOperationWizardPage() { super("newSOAServiceProjectFromBlankWSDLAddOperationWizardPage", "Service from Template WSDL - Add Operation", "Add operations to the template WSDL"); } /** * Instantiates a new service from new wsdl add operation wizard page. * @param operations the operations * @param needControlButtons whether need control buttons */ public ServiceFromNewWSDLAddOperationWizardPage(List<Operation> operations, boolean needControlButtons) { this(); this.needControlButtons = needControlButtons; if (operations != null) { this.operations = operations; } } /** * {@inheritDoc} */ @Override public String getDefaultValue(Text text) { return SOAProjectConstants.EMPTY_STRING; } /** * {@inheritDoc} */ @Override public void createControl(Composite parent) { try { final Composite container = super.createParentControl(parent, 3); createOperationViewer(container); createControlButtons(container); setControl(container); dialogChanged(); } catch (Exception e) { UIUtil.showErrorDialog(e); SOALogger.getLogger().error(e); } } private TreeViewer createOperationViewer(Composite parent) { operationViewer = new TreeViewer(parent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.FULL_SELECTION | SWT.SINGLE); GridData data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 2; final Tree tree = operationViewer.getTree(); tree.setLayoutData(data); tree.setHeaderVisible(true); tree.setLinesVisible(true); { final TableLayout layout = new TableLayout(); layout.addColumnData(new ColumnWeightData(26, 120, true)); layout.addColumnData(new ColumnWeightData(37, 130, true)); layout.addColumnData(new ColumnWeightData(37, 130, true)); tree.setLayout(layout); TreeColumn column = new TreeColumn(tree, SWT.LEFT); column.setText("Operation Name"); // column.setImage(Activator.getImageFromRegistry("operation.gif")); column = new TreeColumn(tree, SWT.LEFT); column.setText("Input Parameter"); // column.setImage(Activator.getImageFromRegistry("parameter_input.gif")); column = new TreeColumn(tree, SWT.LEFT); column.setText("Output Parameter"); // column.setImage(Activator.getImageFromRegistry("parameter_output.gif")); } operationViewer.setContentProvider(new ITreeContentProvider() { @Override public Object[] getChildren(Object parentElement) { return getElements(parentElement); } @Override public Object getParent(Object element) { return null; } @Override public boolean hasChildren(Object element) { return element instanceof Collection<?>; } @Override public Object[] getElements(Object inputElement) { if (inputElement instanceof Collection<?>) { return ((Collection<?>) inputElement).toArray(); } return Collections.EMPTY_LIST.toArray(); } @Override public void dispose() { } @Override public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); operationViewer.setLabelProvider(new ITableLabelProvider() { @Override public Image getColumnImage(Object element, int columnIndex) { return null; } @Override public String getColumnText(Object element, int columnIndex) { if (element instanceof Operation) { final Operation op = (Operation) element; switch (columnIndex) { case 0: return op.getName(); case 1: if (op.getInputParameter() != null) return op.getInputParameter().getName(); break; case 2: return op.getOutputParameter().getName(); } } return SOAProjectConstants.EMPTY_STRING; } @Override public void addListener(ILabelProviderListener listener) { } @Override public void dispose() { } @Override public boolean isLabelProperty(Object element, String property) { return false; } @Override public void removeListener(ILabelProviderListener listener) { } }); operationViewer.setColumnProperties(OPERATION_COLUMN_PROPERTIES); operationViewer.setCellModifier(new ICellModifier() { @Override public boolean canModify(Object element, String property) { return needControlButtons ? (element instanceof Operation) : newOperations.contains(element); } @Override public Object getValue(Object element, String property) { if (element instanceof Operation) { final Operation op = (Operation) element; if (COLUMN_INPUT_PARAM.equals(property)) { if (op.getInputParameter() != null) { return op.getInputParameter().getName(); } } if (COLUMN_OUTPUT_PARAM.equals(property)) { if (op.getOutputParameter() != null) { return op.getOutputParameter().getName(); } } else if (COLUMN_NAME.equals(property)) { return op.getName(); } } return SOAProjectConstants.EMPTY_STRING; } @Override public void modify(Object element, String property, Object value) { Object obj = null; if (element instanceof TreeItem) { final TreeItem item = (TreeItem) element; if (item.getData() instanceof Operation) { final Operation op = (Operation) item.getData(); if (COLUMN_NAME.equals(property)) { if (op.getName().equals(value) == false) { op.setName(String.valueOf(value)); if (op.getInputParameter() != null) { op.getInputParameter() .setName(op.getName() + SOAProjectConstants.PARAMETER_INPUT_SUFFIX); } if (op.getOutputParameter() != null) { op.getOutputParameter() .setName(op.getName() + SOAProjectConstants.PARAMETER_OUTPUT_SUFFIX); } obj = op; } } } } if (obj != null) { operationViewer.refresh(obj); dialogChanged(); } } }); operationViewer.setCellEditors(new CellEditor[] { new TextCellEditor(tree), new SOADialogCellEditor(tree), new SOADialogCellEditor(tree, false) }); operationViewer.setInput(getInputObject()); operationViewer.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { if (event.getSelection().isEmpty() == false) { final TemplateWSDLModel model = getSelectedModel(event.getSelection()); resetButtons(model); } } }); operationViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); return operationViewer; } private void resetButtons(TemplateWSDLModel model) { if (needControlButtons == true) { final boolean isOperation = model instanceof Operation; removeOpBtn.setEnabled(isOperation); upOpBtn.setEnabled(false); downOpBtn.setEnabled(false); final int index = operations.indexOf(model); if (index >= 0) { upOpBtn.setEnabled(index > 0); downOpBtn.setEnabled(index + 1 < operations.size()); } } } private TemplateWSDLModel getSelectedModel(ISelection sel) { IStructuredSelection selection = null; if (sel == null && this.operationViewer != null) { if (operationViewer.getSelection().isEmpty() == false && operationViewer.getSelection() instanceof IStructuredSelection) { selection = (IStructuredSelection) operationViewer.getSelection(); } } else if (sel instanceof IStructuredSelection) { selection = (IStructuredSelection) sel; } if (selection != null && selection.getFirstElement() instanceof TemplateWSDLModel) { return (TemplateWSDLModel) selection.getFirstElement(); } return null; } /** * {@inheritDoc} */ @Override public String getHelpContextID() { return GlobalRepositorySystem.instanceOf().getActiveRepositorySystem().getHelpProvider() .getHelpContextID(ISOAHelpProvider.PAGE_CREATE_SERVICE_FROM_TEMPLATE_WSDL); } /** * {@inheritDoc} */ @Override protected boolean dialogChanged() { if (super.dialogChanged() == false) return false; if (getOperations().isEmpty()) { updateStatus(operationViewer.getControl(), "At least one operation must be added"); return false; } final Set<String> opNames = new HashSet<String>(); for (final Operation op : getOperations()) { final String opName = op.getName(); if (StringUtils.isBlank(String.valueOf(opName).trim())) { updateStatus(operationViewer.getControl(), "Operation name must not be empty"); return false; } else if (opNames.contains(opName) == true) { updateStatus(operationViewer.getControl(), "Duplicate operation name: " + opName); return false; } final IStatus status = JDTUtil.validateMethodName(opName); if (status.isOK() == false) { updateStatus(operationViewer.getControl(), "'" + opName + "' is not a valid operation name"); return false; } if (validateWSDLOperationName(opName) == false) { updateStatus(operationViewer.getControl(), "'" + opName + "' is not a valid WSDL operation name"); return false; } opNames.add(opName); } return true; } private boolean validateWSDLOperationName(String optName) { // no validation if it is an existing operation. if (newOperations == null) { return true; } boolean isNewOperation = false; for (Operation oprt : newOperations) { if (oprt.getName().equals(optName)) { isNewOperation = true; break; } } if (isNewOperation == false) { return true; } // check name is empty if (optName.length() == 0) { return false; } // check name is lower case started char start = optName.charAt(0); if (Character.isLowerCase(start) == false) { return false; } // more validations may coming here... return true; } private void createControlButtons(Composite parent) { final Composite container = new Composite(parent, SWT.NONE); container.setLayoutData(new GridData(GridData.FILL_VERTICAL)); container.setLayout(new GridLayout(1, true)); final GridData data = new GridData(GridData.FILL_HORIZONTAL); data.widthHint = 100; { addOpBtn = new Button(container, SWT.PUSH); addOpBtn.setText("Add &Operation"); addOpBtn.setLayoutData(data); addOpBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { Operation op = ServiceFromTemplateWsdlParamModel.createOperation("newOperation"); operations.add(op); newOperations.add(op); operationViewer.refresh(); resetButtons(null); dialogChanged(); if (needControlButtons == false) { addOpBtn.setEnabled(false); } } }); if (needControlButtons == true) { removeOpBtn = new Button(container, SWT.PUSH); removeOpBtn.setText("&Remove Operation"); removeOpBtn.setLayoutData(data); removeOpBtn.setEnabled(false); removeOpBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { final TemplateWSDLModel model = getSelectedModel(null); if (model instanceof Operation && operations.remove(model)) { operationViewer.refresh(); resetButtons(null); dialogChanged(); } } }); new Label(container, SWT.LEFT); upOpBtn = new Button(container, SWT.PUSH); upOpBtn.setText("&Up"); upOpBtn.setLayoutData(data); upOpBtn.setEnabled(false); upOpBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { final TemplateWSDLModel model = getSelectedModel(null); if (model instanceof Operation) { ListUtil.moveOnePositionUp(operations, (Operation) model); operationViewer.refresh(); resetButtons(model); } } }); downOpBtn = new Button(container, SWT.PUSH); downOpBtn.setText("&Down"); downOpBtn.setLayoutData(data); downOpBtn.setEnabled(false); downOpBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { final TemplateWSDLModel model = getSelectedModel(null); if (model instanceof Operation) { ListUtil.moveOnePositionDown(operations, (Operation) model); operationViewer.refresh(); resetButtons(model); } } }); } } } /** * Gets the operations. * * @return the operations */ public List<Operation> getOperations() { return operations; } private Object getInputObject() { if (this.operations.isEmpty() == true) { final Operation op = ServiceFromTemplateWsdlParamModel.createOperation("getVersion"); op.getOutputParameter().getElements().clear(); operations.add(op); } return operations; } private class SOADialogCellEditor extends DialogCellEditor { private boolean input; public SOADialogCellEditor(Composite composite) { this(composite, true); } public SOADialogCellEditor(Composite composite, boolean input) { super(composite); this.input = input; } @Override protected Object openDialogBox(Control cellEditorWindow) { final TemplateWSDLModel model = getSelectedModel(null); if (model instanceof Operation) { final Operation op = (Operation) model; final IWizard soaWizard = new SOABaseWizard() { private DataTypeManagementWizardPage datatypePage; @Override public IWizardPage[] getContentPages() { final List<? extends IParameterElement> elements; final String paramName; if (input) { if (op.getInputParameter() != null) { paramName = op.getInputParameter().getName(); elements = op.getInputParameter().getElements(); } else { paramName = op.getName() + SOAProjectConstants.PARAMETER_INPUT_SUFFIX; elements = null; } } else { paramName = op.getOutputParameter().getName(); elements = op.getOutputParameter().getElements(); } int minimumElems = input ? 0 : 1; datatypePage = new DataTypeManagementWizardPage("Add Elements to " + paramName, elements, minimumElems); final List<IWizardPage> pages = new ArrayList<IWizardPage>(); pages.add(datatypePage); return pages.toArray(new IWizardPage[0]); } @Override public boolean performFinish() { if (datatypePage.getElements() != null) { if (input) { //has param elements if (op.getInputParameter() == null) { op.setInputParameter(new Parameter( op.getName() + SOAProjectConstants.PARAMETER_INPUT_SUFFIX)); } op.getInputParameter().setElements(datatypePage.getElements()); } else { op.getOutputParameter().setElements(datatypePage.getElements()); } } return true; } @Override public void setShellAtCenter(Shell activeShell) { Rectangle rect = activeShell.getDisplay().getPrimaryMonitor().getBounds(); int width = 450, height = 400; // Calculate the left and top int left = (rect.width - width) / 2; int top = (rect.height - height) / 2; // Set shell bounds, activeShell.setBounds(left, top, width, height); } }; final WizardDialog dialog = new WizardDialog(UIUtil.getActiveShell(), soaWizard); if (dialog.open() == Window.OK) { operationViewer.refresh(op); } } return ""; } } public List<Operation> getNewOperations() { return newOperations; } }