Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2007 Boeing. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Boeing - initial API and implementation *******************************************************************************/ package org.eclipse.nebula.widgets.xviewer.customize; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import java.util.logging.Level; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.ActionContributionItem; import org.eclipse.jface.action.GroupMarker; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.nebula.widgets.xviewer.Activator; import org.eclipse.nebula.widgets.xviewer.IXViewerLabelProvider; import org.eclipse.nebula.widgets.xviewer.XViewer; import org.eclipse.nebula.widgets.xviewer.XViewerColumn; import org.eclipse.nebula.widgets.xviewer.XViewerColumnLabelProvider; import org.eclipse.nebula.widgets.xviewer.XViewerColumnSorter; import org.eclipse.nebula.widgets.xviewer.XViewerComputedColumn; import org.eclipse.nebula.widgets.xviewer.XViewerText; import org.eclipse.nebula.widgets.xviewer.action.ColumnMultiEditAction; import org.eclipse.nebula.widgets.xviewer.action.TableCustomizationAction; import org.eclipse.nebula.widgets.xviewer.action.ViewSelectedCellDataAction; import org.eclipse.nebula.widgets.xviewer.action.ViewSelectedCellDataAction.Option; import org.eclipse.nebula.widgets.xviewer.action.ViewTableReportAction; import org.eclipse.nebula.widgets.xviewer.util.internal.ArrayTreeContentProvider; import org.eclipse.nebula.widgets.xviewer.util.internal.CollectionsUtil; import org.eclipse.nebula.widgets.xviewer.util.internal.HtmlUtil; import org.eclipse.nebula.widgets.xviewer.util.internal.PatternFilter; import org.eclipse.nebula.widgets.xviewer.util.internal.XViewerLib; import org.eclipse.nebula.widgets.xviewer.util.internal.XViewerLog; import org.eclipse.nebula.widgets.xviewer.util.internal.XViewerPatternFilter; import org.eclipse.nebula.widgets.xviewer.util.internal.dialog.HtmlDialog; import org.eclipse.nebula.widgets.xviewer.util.internal.dialog.XCheckFilteredTreeDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.Clipboard; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.events.DisposeListener; 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.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.TreeColumn; import org.eclipse.swt.widgets.TreeItem; import org.eclipse.ui.dialogs.ListDialog; /** * Allow for the customization of the xViewer's right-click menus. Full menu can be used or selected Actions accessed * for partial implementation in existing menus * * @author Donald G. Dunne */ public class XViewerCustomMenu { protected XViewer xViewer; private final Clipboard clipboard = new Clipboard(null); protected Action filterByValue, filterByColumn, clearAllSorting, clearAllFilters, tableProperties, viewTableReport, columnMultiEdit, removeSelected, removeNonSelected, copySelected, showColumn, addComputedColumn, sumColumn, hideColumn, copySelectedColumnCells, viewSelectedCell, copySelectedCell, uniqueValues; private boolean headerMouseClick = false; public XViewerCustomMenu() { // do nothing } public XViewerCustomMenu(XViewer xViewer) { this.xViewer = xViewer; } public void init(final XViewer xviewer) { this.xViewer = xviewer; setupActions(); xViewer.getTree().addKeyListener(new KeySelectedListener()); xViewer.getTree().addDisposeListener(new DisposeListener() { @Override public void widgetDisposed(org.eclipse.swt.events.DisposeEvent e) { if (clipboard != null) { clipboard.dispose(); } } }); xViewer.getMenuManager().addMenuListener(new IMenuListener() { @Override public void menuAboutToShow(IMenuManager manager) { if (headerMouseClick) { setupMenuForHeader(); xviewer.updateMenuActionsForHeader(); } else { setupMenuForTable(); xViewer.updateMenuActionsForTable(); } } }); xViewer.getTree().addListener(SWT.MenuDetect, new Listener() { @Override public void handleEvent(Event event) { Point pt = Display.getCurrent().map(null, xViewer.getTree(), new Point(event.x, event.y)); Rectangle clientArea = xViewer.getTree().getClientArea(); headerMouseClick = clientArea.y <= pt.y && pt.y < (clientArea.y + xViewer.getTree().getHeaderHeight()); } }); } protected void setupMenuForHeader() { MenuManager mm = xViewer.getMenuManager(); mm.add(showColumn); mm.add(hideColumn); mm.add(addComputedColumn); mm.add(copySelectedColumnCells); mm.add(new Separator()); mm.add(filterByColumn); mm.add(clearAllFilters); mm.add(clearAllSorting); mm.add(new Separator()); mm.add(sumColumn); mm.add(uniqueValues); } protected void setupMenuForTable() { MenuManager mm = xViewer.getMenuManager(); mm.add(new GroupMarker(XViewer.MENU_GROUP_PRE)); mm.add(new Separator()); mm.add(tableProperties); mm.add(viewTableReport); if (xViewer.isColumnMultiEditEnabled()) { updateEditMenu(mm); } mm.add(viewSelectedCell); mm.add(copySelectedCell); mm.add(copySelected); mm.add(copySelectedColumnCells); mm.add(new Separator()); mm.add(filterByValue); mm.add(filterByColumn); mm.add(clearAllFilters); mm.add(clearAllSorting); if (xViewer.isRemoveItemsMenuOptionEnabled()) { mm.add(new Separator()); mm.add(removeSelected); mm.add(removeNonSelected); } mm.add(new GroupMarker(XViewer.MENU_GROUP_POST)); } public void updateEditMenu(MenuManager mm) { final Collection<TreeItem> selectedTreeItems = Arrays.asList(xViewer.getTree().getSelection()); Set<TreeColumn> editableColumns = ColumnMultiEditAction.getEditableTreeColumns(xViewer, selectedTreeItems); MenuManager editMenuManager = createEditMenuManager(xViewer, XViewerText.get("menu.edit.multi"), //$NON-NLS-1$ selectedTreeItems, editableColumns); mm.add(editMenuManager); } public static MenuManager createEditMenuManager(final XViewer xViewer, String name, final Collection<TreeItem> selectedTreeItems, Set<TreeColumn> editableColumns) { MenuManager editMenuManager = new MenuManager(name, XViewerText.get("menu.edit")); //$NON-NLS-1$ if (editableColumns.isEmpty()) { editMenuManager.add(new Action(XViewerText.get("menu.edit.no_columns")) { //$NON-NLS-1$ @Override public void run() { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_fields.multi_editable")); //$NON-NLS-1$ //$NON-NLS-2$ } }); } else { Map<String, TreeColumn> nameToColumn = new HashMap<String, TreeColumn>(); for (final TreeColumn treeColumn : editableColumns) { nameToColumn.put(treeColumn.getText(), treeColumn); } String[] names = nameToColumn.keySet().toArray(new String[nameToColumn.size()]); Arrays.sort(names); for (String columnName : names) { final TreeColumn treeColumn = nameToColumn.get(columnName); if (treeColumn.getData() instanceof XViewerColumn) { XViewerColumn xCol = (XViewerColumn) treeColumn.getData(); if (xCol.isMultiColumnEditable()) { editMenuManager.add(new Action(XViewerText.get("menu.edit") + " " + xCol.getName()) { //$NON-NLS-1$//$NON-NLS-2$ @Override public void run() { xViewer.handleColumnMultiEdit(treeColumn, selectedTreeItems); } }); } } } } return editMenuManager; } public void createTableCustomizationMenuItem(Menu popupMenu) { new ActionContributionItem(xViewer.getCustomizeAction()).fill(popupMenu, -1); } public void createViewTableReportMenuItem(Menu popupMenu) { setupActions(); final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.view_report")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewTableReport.run(); } }); } public void addFilterMenuBlock(Menu popupMenu) { createFilterByColumnMenuItem(popupMenu); createClearAllFiltersMenuItem(popupMenu); createClearAllSortingMenuItem(popupMenu); } public void createFilterByColumnMenuItem(Menu popupMenu) { final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.column_filter")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { performFilterByColumn(); } }); } public void createClearAllFiltersMenuItem(Menu popupMenu) { final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.clear_filters")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { xViewer.getCustomizeMgr().clearFilters(); } }); } public void createClearAllSortingMenuItem(Menu popupMenu) { final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.clear_sorts")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { xViewer.getCustomizeMgr().clearSorter(); } }); } public void addCopyViewMenuBlock(Menu popupMenu) { createViewSelectedCellMenuItem(popupMenu); createCopyRowsMenuItem(popupMenu); createCopyCellsMenuItem(popupMenu); } public void createCopyRowsMenuItem(Menu popupMenu) { final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.copy_row")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { performCopy(); } }); } public void createCopyCellsMenuItem(Menu popupMenu) { final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.copy_column")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { performCopyColumnCells(); } }); } public void createViewSelectedCellMenuItem(Menu popupMenu) { setupActions(); final MenuItem item = new MenuItem(popupMenu, SWT.CASCADE); item.setText(XViewerText.get("menu.copy_celldata")); //$NON-NLS-1$ item.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { copySelectedCell.run(); } }); final MenuItem item1 = new MenuItem(popupMenu, SWT.CASCADE); item1.setText(XViewerText.get("menu.view_celldata")); //$NON-NLS-1$ item1.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewSelectedCell.run(); } }); } private static PatternFilter patternFilter = new XViewerPatternFilter(); protected void handleShowColumn() { TreeColumn insertTreeCol = xViewer.getRightClickSelectedColumn(); XViewerColumn insertXCol = insertTreeCol != null ? (XViewerColumn) insertTreeCol.getData() : null; XCheckFilteredTreeDialog dialog = new XCheckFilteredTreeDialog(XViewerText.get("dialog.show_columns.title"), //$NON-NLS-1$ XViewerText.get("dialog.show_columns.prompt"), patternFilter, new ArrayTreeContentProvider(), //$NON-NLS-1$ new XViewerColumnLabelProvider(), new XViewerColumnSorter()); dialog.setInput(xViewer.getCustomizeMgr().getCurrentTableColumns()); if (dialog.open() == 0) { // System.out.println("Selected " + dialog.getChecked()); // System.out.println("Selected column to add before " + insertXCol); CustomizeData custData = xViewer.getCustomizeMgr().generateCustDataFromTable(); List<XViewerColumn> xCols = custData.getColumnData().getColumns(); List<XViewerColumn> newXCols = new ArrayList<XViewerColumn>(); // if insert col == null; insert new columns at end; set insert col to first non-shown col if (insertXCol == null) { for (XViewerColumn currXCol : xCols) { if (!currXCol.isShow()) { insertXCol = currXCol; break; } } } // else insert before selected insert col for (XViewerColumn currXCol : xCols) { if (currXCol.equals(insertXCol)) { for (Object obj : dialog.getChecked()) { XViewerColumn newXCol = (XViewerColumn) obj; newXCol.setShow(true); newXCols.add(newXCol); } } if (!dialog.getChecked().contains(currXCol)) { newXCols.add(currXCol); } } custData.getColumnData().setColumns(newXCols); xViewer.getCustomizeMgr().loadCustomization(custData); xViewer.refresh(); } } protected void handleAddComputedColumn() { TreeColumn insertTreeCol = xViewer.getRightClickSelectedColumn(); XViewerColumn insertXCol = (XViewerColumn) insertTreeCol.getData(); XCheckFilteredTreeDialog dialog = new XCheckFilteredTreeDialog("", //$NON-NLS-1$ XViewerText.get("dialog.add_column.prompt", insertXCol.getName(), //$NON-NLS-1$ insertXCol.getId()), patternFilter, new ArrayTreeContentProvider(), new XViewerColumnLabelProvider(), new XViewerColumnSorter()); Collection<XViewerComputedColumn> computedCols = xViewer.getComputedColumns(insertXCol); if (computedCols.isEmpty()) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_computed")); //$NON-NLS-1$ //$NON-NLS-2$ return; } dialog.setInput(computedCols); if (dialog.open() == 0) { // System.out.println("Selected " + dialog.getChecked()); // System.out.println("Selected column to add before " + insertXCol); CustomizeData custData = xViewer.getCustomizeMgr().generateCustDataFromTable(); List<XViewerColumn> xCols = custData.getColumnData().getColumns(); List<XViewerColumn> newXCols = new ArrayList<XViewerColumn>(); for (XViewerColumn currXCol : xCols) { if (currXCol.equals(insertXCol)) { for (Object obj : dialog.getChecked()) { XViewerComputedColumn newComputedXCol = ((XViewerComputedColumn) obj).copy(); newComputedXCol.setShow(true); newComputedXCol.setSourceXViewerColumn(insertXCol); newComputedXCol.setXViewer(xViewer); newXCols.add(newComputedXCol); } } newXCols.add(currXCol); } custData.getColumnData().setColumns(newXCols); xViewer.getCustomizeMgr().loadCustomization(custData); xViewer.refresh(); } } protected void handleUniqeValuesColumn() { TreeColumn treeCol = xViewer.getRightClickSelectedColumn(); XViewerColumn xCol = (XViewerColumn) treeCol.getData(); TreeItem[] items = xViewer.getTree().getSelection(); if (items.length == 0) { items = xViewer.getTree().getItems(); } if (items.length == 0) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_items.sum")); //$NON-NLS-1$ //$NON-NLS-2$ return; } Set<String> values = new HashSet<String>(); for (TreeItem item : items) { for (int x = 0; x < xViewer.getTree().getColumnCount(); x++) { if (xViewer.getTree().getColumn(x).equals(treeCol)) { values.add( ((IXViewerLabelProvider) xViewer.getLabelProvider()).getColumnText(item.getData(), x)); } } } String html = HtmlUtil.simplePage(HtmlUtil.textToHtml(CollectionsUtil.toString("\n", values))); //$NON-NLS-1$ new HtmlDialog(XViewerText.get("dialog.unique.title"), //$NON-NLS-1$ XViewerText.get("dialog.unique.prompt", xCol.getName()), //$NON-NLS-1$ html).open(); } protected void handleSumColumn() { TreeColumn treeCol = xViewer.getRightClickSelectedColumn(); XViewerColumn xCol = (XViewerColumn) treeCol.getData(); if (!xCol.isSummable()) { return; } TreeItem[] items = xViewer.getTree().getSelection(); if (items.length == 0) { items = xViewer.getTree().getItems(); } if (items.length == 0) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_items.sum")); //$NON-NLS-1$ //$NON-NLS-2$ return; } List<String> values = new ArrayList<String>(); for (TreeItem item : items) { for (int x = 0; x < xViewer.getTree().getColumnCount(); x++) { if (xViewer.getTree().getColumn(x).equals(treeCol)) { values.add( ((IXViewerLabelProvider) xViewer.getLabelProvider()).getColumnText(item.getData(), x)); } } } XViewerLib.popup(XViewerText.get("menu.sum.prompt"), xCol.sumValues(values)); //$NON-NLS-1$ } protected void handleHideColumn() { TreeColumn insertTreeCol = xViewer.getRightClickSelectedColumn(); XViewerColumn insertXCol = (XViewerColumn) insertTreeCol.getData(); // System.out.println("Hide column " + insertXCol); CustomizeData custData = xViewer.getCustomizeMgr().generateCustDataFromTable(); List<XViewerColumn> xCols = custData.getColumnData().getColumns(); List<XViewerColumn> newXCols = new ArrayList<XViewerColumn>(); for (XViewerColumn currXCol : xCols) { if (currXCol.equals(insertXCol)) { currXCol.setShow(false); } newXCols.add(currXCol); } custData.getColumnData().setColumns(newXCols); xViewer.getCustomizeMgr().loadCustomization(custData); xViewer.refresh(); } protected void setupActions() { showColumn = new Action(XViewerText.get("menu.show")) { //$NON-NLS-1$ @Override public void run() { handleShowColumn(); } }; addComputedColumn = new Action(XViewerText.get("menu.add")) { //$NON-NLS-1$ @Override public void run() { handleAddComputedColumn(); } }; sumColumn = new Action(XViewerText.get("menu.sum")) { //$NON-NLS-1$ @Override public void run() { handleSumColumn(); } }; uniqueValues = new Action(XViewerText.get("menu.unique")) { //$NON-NLS-1$ @Override public void run() { handleUniqeValuesColumn(); } }; hideColumn = new Action(XViewerText.get("menu.hide")) { //$NON-NLS-1$ @Override public void run() { handleHideColumn(); } }; removeSelected = new Action(XViewerText.get("menu.remove_selected")) { //$NON-NLS-1$ @Override public void run() { performRemoveSelectedRows(); } }; removeNonSelected = new Action(XViewerText.get("menu.remove_non_selected")) { //$NON-NLS-1$ @Override public void run() { performRemoveNonSelectedRows(); } }; copySelected = new Action(XViewerText.get("menu.copy_row")) { //$NON-NLS-1$ @Override public void run() { performCopy(); } }; viewSelectedCell = new ViewSelectedCellDataAction(xViewer, null, Option.View); copySelectedCell = new ViewSelectedCellDataAction(xViewer, clipboard, Option.Copy); copySelectedColumnCells = new Action(XViewerText.get("menu.copy_column")) { //$NON-NLS-1$ @Override public void run() { performCopyColumnCells(); }; }; clearAllSorting = new Action(XViewerText.get("menu.clear_sorts")) { //$NON-NLS-1$ @Override public void run() { xViewer.getCustomizeMgr().clearSorter(); } }; clearAllFilters = new Action(XViewerText.get("menu.clear_filters")) { //$NON-NLS-1$ @Override public void run() { xViewer.getCustomizeMgr().clearFilters(); } }; filterByColumn = new Action(XViewerText.get("menu.column_filter")) { //$NON-NLS-1$ @Override public void run() { performFilterByColumn(); } }; filterByValue = new Action(XViewerText.get("menu.value_filter")) { //$NON-NLS-1$ @Override public void run() { performFilterByValue(); } }; tableProperties = new TableCustomizationAction(xViewer); viewTableReport = new ViewTableReportAction(xViewer); columnMultiEdit = new ColumnMultiEditAction(xViewer); } private class KeySelectedListener implements KeyListener { @Override public void keyPressed(KeyEvent e) { // do nothing } @Override public void keyReleased(KeyEvent e) { if (e.keyCode == 'c' && e.stateMask == (SWT.CONTROL | SWT.SHIFT)) { performCopyColumnCells(); } else if (e.keyCode == 'c' && e.stateMask == SWT.CONTROL) { performCopy(); } } } private void performRemoveSelectedRows() { try { TreeItem[] items = xViewer.getTree().getSelection(); if (items.length == 0) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_items")); //$NON-NLS-1$ //$NON-NLS-2$ return; } Set<Object> objs = new HashSet<Object>(); for (TreeItem item : items) { objs.add(item.getData()); } xViewer.remove(objs); } catch (Exception ex) { XViewerLog.logAndPopup(Activator.class, Level.SEVERE, ex); } } private void performRemoveNonSelectedRows() { try { TreeItem[] items = xViewer.getTree().getSelection(); if (items.length == 0) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_items")); //$NON-NLS-1$ //$NON-NLS-2$ return; } Set<Object> keepObjects = new HashSet<Object>(); for (TreeItem item : items) { keepObjects.add(item.getData()); } xViewer.load(keepObjects); } catch (Exception ex) { XViewerLog.logAndPopup(Activator.class, Level.SEVERE, ex); } } private void performFilterByValue() { TreeColumn treeCol = xViewer.getRightClickSelectedColumn(); String colId = ((XViewerColumn) treeCol.getData()).getId(); int colIndex = xViewer.getRightClickSelectedColumnNum(); TreeItem treeItem = xViewer.getRightClickSelectedItem(); String cellVal = treeItem.getText(colIndex); xViewer.getCustomizeMgr().setColumnFilterText(colId, cellVal); } private void performFilterByColumn() { Set<TreeColumn> visibleColumns = new HashSet<TreeColumn>(); for (TreeColumn treeCol : xViewer.getTree().getColumns()) { if (treeCol.getWidth() > 0) { visibleColumns.add(treeCol); } } if (visibleColumns.isEmpty()) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_columns")); //$NON-NLS-1$ //$NON-NLS-2$ return; } ListDialog ld = new ListDialog(xViewer.getTree().getShell()) { @Override protected Control createDialogArea(Composite container) { Control control = super.createDialogArea(container); getTableViewer().setSorter(treeColumnSorter); return control; } }; ld.setMessage(XViewerText.get("dialog.column_filter.title")); //$NON-NLS-1$ ld.setInput(visibleColumns); ld.setLabelProvider(treeColumnLabelProvider); ld.setContentProvider(new ArrayContentProvider()); ld.setTitle(XViewerText.get("dialog.column_filter.title")); //$NON-NLS-1$ int result = ld.open(); if (result != 0) { return; } TreeColumn treeCol = (TreeColumn) ld.getResult()[0]; String colId = ((XViewerColumn) treeCol.getData()).getId(); xViewer.getColumnFilterDataUI().promptSetFilter(colId); } private void performCopyColumnCells() { Set<TreeColumn> visibleColumns = new HashSet<TreeColumn>(); TreeItem[] items = xViewer.getTree().getSelection(); if (items.length == 0) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_selection")); //$NON-NLS-1$ //$NON-NLS-2$ return; } ArrayList<String> textTransferData = new ArrayList<String>(); IXViewerLabelProvider labelProv = (IXViewerLabelProvider) xViewer.getLabelProvider(); for (TreeColumn treeCol : xViewer.getTree().getColumns()) { if (treeCol.getWidth() > 0) { visibleColumns.add(treeCol); } } if (visibleColumns.isEmpty()) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_columns")); //$NON-NLS-1$ //$NON-NLS-2$ return; } ListDialog ld = new ListDialog(xViewer.getTree().getShell()) { @Override protected Control createDialogArea(Composite container) { Control control = super.createDialogArea(container); getTableViewer().setSorter(treeColumnSorter); return control; } }; ld.setMessage(XViewerText.get("dialog.copy_column.title")); //$NON-NLS-1$ ld.setInput(visibleColumns); ld.setLabelProvider(treeColumnLabelProvider); ld.setContentProvider(new ArrayContentProvider()); ld.setTitle(XViewerText.get("dialog.copy_column.title")); //$NON-NLS-1$ int result = ld.open(); if (result != 0) { return; } TreeColumn treeCol = (TreeColumn) ld.getResult()[0]; StringBuffer sb = new StringBuffer(); for (TreeItem item : items) { for (int x = 0; x < xViewer.getTree().getColumnCount(); x++) { if (xViewer.getTree().getColumn(x).equals(treeCol)) { sb.append(labelProv.getColumnText(item.getData(), x)); sb.append("\n"); //$NON-NLS-1$ } } } textTransferData.add(sb.toString()); if (textTransferData.size() > 0) { clipboard.setContents(new Object[] { CollectionsUtil.toString(textTransferData, null, ", ", null) }, //$NON-NLS-1$ new Transfer[] { TextTransfer.getInstance() }); } } private void performCopy() { TreeItem[] items = xViewer.getTree().getSelection(); if (items.length == 0) { XViewerLib.popup(XViewerText.get("error"), XViewerText.get("error.no_items")); //$NON-NLS-1$ //$NON-NLS-2$ return; } ArrayList<String> textTransferData = new ArrayList<String>(); IXViewerLabelProvider labelProv = (IXViewerLabelProvider) xViewer.getLabelProvider(); if (items.length > 0) { StringBuffer sb = new StringBuffer(); for (TreeItem item : items) { List<String> strs = new ArrayList<String>(); for (int x = 0; x < xViewer.getTree().getColumnCount(); x++) { if (xViewer.getTree().getColumn(x).getWidth() > 0) { String data = labelProv.getColumnText(item.getData(), x); if (data != null) { strs.add(data); } } } sb.append(CollectionsUtil.toString("\t", strs)); //$NON-NLS-1$ sb.append("\n"); //$NON-NLS-1$ } textTransferData.add(sb.toString()); if (textTransferData.size() > 0) { clipboard.setContents(new Object[] { CollectionsUtil.toString(textTransferData, null, ", ", null) }, //$NON-NLS-1$ new Transfer[] { TextTransfer.getInstance() }); } } } static LabelProvider treeColumnLabelProvider = new LabelProvider() { @Override public String getText(Object element) { if (element instanceof TreeColumn) { return ((TreeColumn) element).getText(); } return XViewerText.get("error.unknown_element"); //$NON-NLS-1$ } }; static ViewerSorter treeColumnSorter = new ViewerSorter() { @SuppressWarnings("unchecked") @Override public int compare(Viewer viewer, Object e1, Object e2) { return getComparator().compare(((TreeColumn) e1).getText(), ((TreeColumn) e2).getText()); } }; }