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.util.ArrayList; import java.util.HashMap; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.ICellModifier; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.talend.mdm.commmon.util.core.ITransformerConstants; import com.amalto.workbench.i18n.Messages; public class VariableDefinitionDialog extends Dialog { protected TableViewer descriptionsViewer; private String outPut; private boolean inputVariable; private ArrayList<String> inputList = new ArrayList<String>(); private static String title = Messages.VariableDefinitionDialog_VariableAssign; private static String SMART_VIEW_TRANSFORMER = "Smart_view";//$NON-NLS-1$ private static String BEFORE_SAVING_TRANSFORMER = "beforeSaving";//$NON-NLS-1$ private static final String VARIABLE_DEFAULT = "VARIABLE_DEFAULT";//$NON-NLS-1$ private static final String VARIABLE_OUTPUT_OF_BEFORESAVINGTRANFORMER = "VARIABLE_OUTPUT_OF_BEFORESAVINGTRANFORMER";//$NON-NLS-1$ private static final String VARIABLE_OUTPUT_FOR_SMARTVIEW = "VARIABLE_OUTPUT_FOR_SMARTVIEW";//$NON-NLS-1$ private static final String VARIABLE_OUTPUT_TO_ITEMDISPATCHERSERVICE = "VARIABLE_OUTPUT_TO_ITEMDISPATCHERSERVICE";//$NON-NLS-1$ private static final String VARIABLE_OUTPUT_TO_JDBCSERVICE = "VARIABLE_OUTPUT_TO_JDBCSERVICE";//$NON-NLS-1$ private static HashMap<String, String> descriptionMap = new HashMap<String, String>(); static { descriptionMap.put(VARIABLE_DEFAULT, ITransformerConstants.VARIABLE_DEFAULT); descriptionMap.put(VARIABLE_OUTPUT_OF_BEFORESAVINGTRANFORMER, ITransformerConstants.VARIABLE_OUTPUT_OF_BEFORESAVINGTRANFORMER); descriptionMap.put(VARIABLE_OUTPUT_FOR_SMARTVIEW, ITransformerConstants.VARIABLE_OUTPUT_FOR_SMARTVIEW); descriptionMap.put(VARIABLE_OUTPUT_TO_ITEMDISPATCHERSERVICE, ITransformerConstants.VARIABLE_OUTPUT_TO_ITEMDISPATCHERSERVICE); descriptionMap.put(VARIABLE_OUTPUT_TO_JDBCSERVICE, ITransformerConstants.VARIABLE_OUTPUT_TO_JDBCSERVICE); } public VariableDefinitionDialog(Shell shell, String type, boolean input, String plugin) { super(shell); inputVariable = input; String transformType = type; transformType = transformType.split(" ")[1];//$NON-NLS-1$ if (transformType.startsWith(SMART_VIEW_TRANSFORMER) && plugin.equals("xslt")) {//$NON-NLS-1$ if (input) inputList.add(VARIABLE_DEFAULT); else inputList.add(VARIABLE_OUTPUT_FOR_SMARTVIEW); } else if (transformType.startsWith(BEFORE_SAVING_TRANSFORMER)) { if (input) inputList.add(VARIABLE_DEFAULT); else { inputList.add(VARIABLE_OUTPUT_OF_BEFORESAVINGTRANFORMER); } } else { if (input) inputList.add(VARIABLE_DEFAULT); else { inputList.add(VARIABLE_OUTPUT_TO_ITEMDISPATCHERSERVICE); inputList.add(VARIABLE_OUTPUT_TO_JDBCSERVICE); } } } protected Control createDialogArea(Composite parent) { parent.getShell().setText(title); Composite composite = (Composite) super.createDialogArea(parent); GridLayout layout = (GridLayout) composite.getLayout(); layout.numColumns = 2; descriptionsViewer = new TableViewer(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION); descriptionsViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); ((GridData) descriptionsViewer.getControl().getLayoutData()).heightHint = 100; // Set up the underlying table Table table = descriptionsViewer.getTable(); final String columnTitle = Messages.VariableDefinitionDialog_AvailableVariables; new TableColumn(table, SWT.CENTER).setText(columnTitle); table.getColumn(0).setWidth(350); table.setHeaderVisible(true); table.setLinesVisible(true); CellEditor[] editors = new CellEditor[1]; editors[0] = new TextCellEditor(table); descriptionsViewer.setCellEditors(editors); descriptionsViewer.setContentProvider(new IStructuredContentProvider() { public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public Object[] getElements(Object inputElement) { ArrayList<String> descs = (ArrayList<String>) inputElement; return descs.toArray(); } }); // set the label provider descriptionsViewer.setLabelProvider(new ITableLabelProvider() { public boolean isLabelProperty(Object element, String property) { return false; } public void dispose() { } public void addListener(ILabelProviderListener listener) { } public void removeListener(ILabelProviderListener listener) { } public String getColumnText(Object element, int columnIndex) { // return element.toString().toLowerCase(); return element.toString(); } public Image getColumnImage(Object element, int columnIndex) { return null; } }); descriptionsViewer.setColumnProperties(new String[] { columnTitle }); descriptionsViewer.setCellModifier(new ICellModifier() { public boolean canModify(Object element, String property) { return false; } public void modify(Object element, String property, Object value) { } public Object getValue(Object element, String property) { return element.toString(); } }); descriptionsViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { IStructuredSelection selection = (IStructuredSelection) event.getSelection(); outPut = (String) selection.getFirstElement(); getButton(IDialogConstants.OK_ID).setEnabled(true); } }); descriptionsViewer.setInput(inputList); descriptionsViewer.refresh(); return composite; } protected void createButtonsForButtonBar(Composite parent) { super.createButtonsForButtonBar(parent); getButton(IDialogConstants.OK_ID).setEnabled(false); } public String outPutVariable() { return descriptionMap.get(outPut); } }