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.widgets; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.ComboBoxCellEditor; import org.eclipse.jface.viewers.ICellModifier; 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.TextCellEditor; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.events.KeyEvent; import org.eclipse.swt.events.KeyListener; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; 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.Composite; import org.eclipse.swt.widgets.TableItem; import org.eclipse.ui.forms.widgets.FormToolkit; import com.amalto.workbench.detailtabs.sections.IMDMRepositoryViewServiceExt; import com.amalto.workbench.detailtabs.sections.util.MDMRepositoryViewExtensionService; import com.amalto.workbench.dialogs.XpathSelectDialog; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.image.EImage; import com.amalto.workbench.image.ImageCache; import com.amalto.workbench.models.KeyValue; import com.amalto.workbench.models.Line; import com.amalto.workbench.utils.WorkbenchClipboard; /** * * @author achen * */ public class TisTableViewer extends ComplexTableViewer { static HashMap<String, HashSet<Button>> pastBtns = new HashMap<String, HashSet<Button>>(); private Button copyButton; private Button pastButton; private boolean addMulti;// 'addAll' and 'deleteAll' button will be added if this field is not null private boolean isXpath; public boolean isAddMulti() { return addMulti; } public void setAddMulti(boolean addMulti) { this.addMulti = addMulti; } public boolean isXpath() { return isXpath; } public void setXpath(boolean isXpath) { this.isXpath = isXpath; } public TisTableViewer(List<ComplexTableViewerColumn> columns, FormToolkit toolkit, Composite parent) { super(columns, toolkit, parent); } @Override protected void createViewer() { super.createTable(); GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); table.setLayoutData(gd); gd.heightHint = 80; // Up Down Delete button group Composite stepUpDownComposite = toolkit.createComposite(mainComposite, SWT.NONE); stepUpDownComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); GridLayout layout = new GridLayout(8, false); layout.marginTop = 0; layout.marginBottom = 0; layout.marginHeight = 0; stepUpDownComposite.setLayout(layout); // addButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ addButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); addButton.setToolTipText(Messages.Add); if (isXpath()) { addButton.setImage(ImageCache.getCreatedImage(EImage.ADD_NEWXPATH.getPath())); } else { addButton.setImage(ImageCache.getCreatedImage(EImage.ADD_OBJ.getPath())); } addButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { // check uniqueness by concatenating all the values List<Line> list = (List<Line>) getViewer().getInput(); // Update the model Line line = new Line(columns.toArray(new ComplexTableViewerColumn[columns.size()]), getInitValues()); list.add(line); viewer.setInput(list); // update the instances viewer viewer.setSelection(null); viewer.refresh(); viewer.getTable().select(viewer.getTable().getItemCount() - 1); markDirty(); }; }); // Add Multi if (isAddMulti()) { Button selNewPathButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ selNewPathButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); selNewPathButton.setToolTipText(Messages.AddMultiple); selNewPathButton.setImage(ImageCache.getCreatedImage(EImage.SELECT_NEWXPATH.getPath())); selNewPathButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { xpathDialog = getNewXpathDlgInstance(); xpathDialog.setConceptName(conceptName); xpathDialog.setBlockOnOpen(true); xpathDialog.open(); if (xpathDialog.getReturnCode() == Window.OK) { datamodelName = xpathDialog.getDataModelName(); String[] xpaths = xpathDialog.getXpath().split("&");//$NON-NLS-1$ List<Line> list = new LinkedList<Line>(); for (String xpath : xpaths) { // check uniqueness by concatenating all the values list = (List<Line>) getViewer().getInput(); // Update the model Line line = new Line(columns.toArray(new ComplexTableViewerColumn[columns.size()]), getLineValues(xpath, 0)); list.add(line); } viewer.setInput(list); // update the instances viewer viewer.setSelection(null); viewer.refresh(); viewer.getTable().select(viewer.getTable().getItemCount() - 1); markDirty(); } }; }); } deleteButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ deleteButton.setToolTipText(Messages.DeleteSelectedItem); deleteButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); deleteButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { List<Line> input = (List<Line>) viewer.getInput(); TableItem[] items = viewer.getTable().getSelection(); for (int i = 0; i < items.length; i++) { input.remove(items[i].getData()); } viewer.setInput(input); markDirty(); }; }); deleteButton.setImage(ImageCache.getCreatedImage(EImage.DELETE_OBJ.getPath())); // delete all Button deleteAllButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ deleteAllButton.setToolTipText(Messages.DeleteAllItems); deleteAllButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); deleteAllButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { List<Line> items = (List<Line>) viewer.getInput(); items.clear(); viewer.setInput(items); viewer.refresh(); markDirty(); }; }); deleteAllButton.setImage(ImageCache.getCreatedImage(EImage.PROGRESS_REMALL.getPath())); upButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ upButton.setToolTipText(Messages.MoveUpSelectedItem); upButton.setImage(ImageCache.getCreatedImage(EImage.PREV_NAV.getPath())); upButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); upButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { int index = viewer.getTable().getSelectionIndex(); if (index > 0 && index < viewer.getTable().getItemCount()) { // commit as we go if (mainPage != null) { mainPage.setComitting(true); } List<Line> items = (List<Line>) viewer.getInput(); Line line = items.get(index); items.remove(index); items.add(index - 1, line); viewer.refresh(); if (mainPage != null) { mainPage.setComitting(false); } markDirty(); } }; }); downButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ downButton.setToolTipText(Messages.MovedownSelectedItem); downButton.setImage(ImageCache.getCreatedImage(EImage.NEXT_NAV.getPath())); downButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); downButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { int index = viewer.getTable().getSelectionIndex(); if (index >= 0 && index < viewer.getTable().getItemCount() - 1) { // commit as we go if (mainPage != null) { mainPage.setComitting(true); } List<Line> items = (List<Line>) viewer.getInput(); Line line = items.get(index); items.remove(index); items.add(index + 1, line); // viewer.setInput(items); viewer.refresh(); // TODO if (mainPage != null) { mainPage.setComitting(false); } markDirty(); } }; }); copyButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ copyButton.setToolTipText(Messages.CopySelectedItems); copyButton.setImage(ImageCache.getCreatedImage(EImage.COPY.getPath())); copyButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); copyButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(SelectionEvent e) { } public void widgetSelected(SelectionEvent e) { int[] indexs = viewer.getTable().getSelectionIndices(); List<Line> copyLines = new ArrayList<Line>(); for (int index : indexs) { if (index >= 0 && index <= viewer.getTable().getItemCount() - 1) { List<Line> items = (List<Line>) viewer.getInput(); Line line = items.get(index); Line copyLine = line.clone(); copyLines.add(copyLine); } } if (indexs.length > 0) { // enable all paste buttons HashSet<Button> btns = pastBtns.get(String.valueOf(columns.size())); if (btns != null) { for (Button btn : btns) { if (btn != null) { btn.setEnabled(true); } } } // add to workbenchclipboard WorkbenchClipboard.getWorkbenchClipboard().setLines(String.valueOf(columns.size()), copyLines); } } }); pastButton = toolkit.createButton(stepUpDownComposite, "", SWT.PUSH | SWT.CENTER);//$NON-NLS-1$ pastButton.setToolTipText(Messages.PasteSelectedItem); pastButton.setImage(ImageCache.getCreatedImage(EImage.PASTE.getPath())); pastButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); pastButton.setEnabled(false); pastButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; @SuppressWarnings("unchecked") public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { if (mainPage != null) { mainPage.setComitting(true); } boolean dirty = false; List<Line> items = (List<Line>) viewer.getInput(); List<Line> cacheLine = WorkbenchClipboard.getWorkbenchClipboard() .getLines(String.valueOf(columns.size())); List<Line> coloneLine = new ArrayList<Line>(); for (Line l : cacheLine) { coloneLine.add(l.clone()); } if (cacheLine.size() > 0) { items.addAll(coloneLine); dirty = true; } viewer.refresh(); // TODO if (mainPage != null) { mainPage.setComitting(false); } if (dirty) { markDirty(); } }; }); HashSet<Button> btns = pastBtns.get(String.valueOf(columns.size())); if (btns == null) { btns = new HashSet<Button>(); pastBtns.put(String.valueOf(columns.size()), btns); } btns.add(pastButton); // Create the cell editors --> We actually discard those later: not natural for an user CellEditor[] editors = new CellEditor[columns.size()]; for (int i = 0; i < columns.size(); i++) { if (columns.get(i).isText()) { editors[i] = new TextCellEditor(table); } else if (columns.get(i).isCombo()) { editors[i] = new ComboBoxCellEditor(table, columns.get(i).getComboValues(), SWT.READ_ONLY); } else if (columns.get(i).isXPATH()) { editors[i] = new XpathCellEditor(table, validators.get(columns.get(i))); } else if (columns.get(i).isMultiMessage()) { editors[i] = new MultiMessageEditor(table); multiMsg.setColumn(table.getColumn(i)); } else if (columns.get(i).isValidationRule()) { editors[i] = createValidationRuleEditor(); validationRule.setColumn(table.getColumn(i)); } } viewer.setCellEditors(editors); // set the content provider viewer.setContentProvider(new IStructuredContentProvider() { public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } @SuppressWarnings("unchecked") public Object[] getElements(Object inputElement) { ArrayList<Line> lines = (ArrayList<Line>) inputElement; return lines.toArray(new Line[lines.size()]); } }); // set the label provider viewer.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) { Line line = (Line) element; if (columnIndex >= 0 && columnIndex < columns.size()) { for (KeyValue keyvalue : line.keyValues) { if (keyvalue.key.equals(columns.get(columnIndex).getName())) { String val = keyvalue.value; if (columns.get(columnIndex).isNillable()) { if (columns.get(columnIndex).getNillValue().equals(val)) { val = columns.get(columnIndex).getNillDisplay(); } } return val; } } } return "";//$NON-NLS-1$ } public Image getColumnImage(Object element, int columnIndex) { return null; } }); // Set the column properties ArrayList<String> columnNames = new ArrayList<String>(); for (ComplexTableViewerColumn column : columns) { columnNames.add(column.getName()); } viewer.setColumnProperties(columnNames.toArray(new String[columnNames.size()])); // set the Cell Modifier viewer.setCellModifier(new ICellModifier() { public boolean canModify(Object element, String property) { return editable; } @SuppressWarnings("unchecked") public void modify(Object element, String property, Object value) { if (value instanceof Integer) { if (Integer.valueOf(value.toString()) == -1) { return; } } // modify the text and combo cell value TableItem item = (TableItem) element; Line line = (Line) item.getData(); int columnIndex = Arrays.asList(viewer.getColumnProperties()).indexOf(property); if (columnIndex >= 0 && columnIndex < viewer.getColumnProperties().length) { if (isAColumnWithCombo(columnIndex)) { String[] attrs = columns.get(columnIndex).getComboValues(); value = attrs[Integer.parseInt(value.toString())]; } KeyValue kv = line.keyValues.get(columnIndex); boolean noChange = kv.value.equals(value.toString()); kv.value = value.toString(); viewer.refresh(); if (!noChange) { markDirty(); } } } public Object getValue(Object element, String property) { int columnIndex = Arrays.asList(viewer.getColumnProperties()).indexOf(property); Line line = (Line) element; // add getting value from combo if (isAColumnWithCombo(columnIndex)) { String value = line.keyValues.get(columnIndex).value; String[] attrs = columns.get(columnIndex).getComboValues(); return Arrays.asList(attrs).indexOf(value); } for (KeyValue keyvalue : line.keyValues) { if (property.equals(keyvalue.key)) { if (keyvalue.value.equals("")) {//$NON-NLS-1$ return columns.get(columnIndex).getNillDisplay(); } return keyvalue.value; } } return null; } private boolean isAColumnWithCombo(int columnIdx) { return columns.get(columnIdx).isCombo(); } }); // display for Delete Key events to delete an instance viewer.getTable().addKeyListener(new KeyListener() { public void keyPressed(KeyEvent e) { } @SuppressWarnings("unchecked") public void keyReleased(KeyEvent e) { if ((e.stateMask == 0) && (e.character == SWT.DEL) && (viewer.getSelection() != null)) { Line line = (Line) ((IStructuredSelection) viewer.getSelection()).getFirstElement(); // update the underlying role and refresh the table // update the underlying model List<Line> items = (List<Line>) viewer.getInput(); items.remove(line); // refresh viewer.refresh(); // mark for update markDirty(); } } }); // add dispose listener viewer.getTable().addDisposeListener(new DisposeListener() { public void widgetDisposed(DisposeEvent e) { HashSet<Button> btns = pastBtns.get(String.valueOf(columns.size())); btns.remove(pastButton); } }); } @Override public String getDatamodelName() { String dataModelName = super.getDatamodelName(); if (dataModelName == null || dataModelName.isEmpty()) { IMDMRepositoryViewServiceExt repositoryViewService = MDMRepositoryViewExtensionService .getRepositoryViewService(); List<String> dataModelNames = repositoryViewService.getDataModel(dataModelName, conceptName); dataModelName = dataModelNames.get(0); } return dataModelName; } protected CellEditor createValidationRuleEditor() { return new ValidationRuleEditor(table); } @Override public void create() { mainComposite = toolkit.createComposite(parent); mainComposite.setLayoutData(new GridData(SWT.FILL, SWT.RIGHT, true, true, 1, 1)); GridLayout layout = new GridLayout(1, false); layout.marginTop = 0; layout.marginBottom = 0; layout.marginHeight = 0; mainComposite.setLayout(layout); createViewer(); } protected String[] getLineValues(String fieldValue, int fieldIndex) { List<String> values = new ArrayList<String>(); for (int i = 0; i < columns.size(); i++) { ComplexTableViewerColumn column = columns.get(i); if (fieldIndex == i) { values.add(fieldValue); continue; } String text = column.getNillValue(); if (column.isCombo() && column.getComboValues().length > 0) { text = column.getComboValues()[0]; } values.add(text); } return values.toArray(new String[values.size()]); } protected String getColumnsKey() { StringBuffer sb = new StringBuffer(); for (int i = 0; i < columns.size(); i++) { ComplexTableViewerColumn column = columns.get(i); sb = sb.append(column.name).append("#");//$NON-NLS-1$ } return sb.toString(); } protected XpathSelectDialog getNewXpathDlgInstance() { // return new XpathSelectDialog(table.getShell(), getCurrentTreeParent(), Messages.SelectMultipleXPaths, // ServerView.show().getSite(), true, getDatamodelName()); return null; } }