| /******************************************************************************* |
| * Copyright (c) 2006 Tom Schindl and others. |
| * 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: |
| * Tom Schindl - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.snippets.viewers; |
| |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.TableColumn; |
| |
| /** |
| * Example usage of none mandatory interfaces of ITableFontProvider and |
| * ITableColorProvider |
| * |
| * @author Tom Schindl <tom.schindl@bestsolution.at> |
| * @since 3.2 |
| */ |
| public class Snippet017TableViewerHideShowColumns { |
| private class ShrinkThread extends Thread { |
| private int width = 0; |
| private TableColumn column; |
| |
| public ShrinkThread(int width, TableColumn column) { |
| super(); |
| this.width = width; |
| this.column = column; |
| } |
| |
| public void run() { |
| column.getDisplay().syncExec(new Runnable() { |
| |
| public void run() { |
| column.setData("restoredWidth", new Integer(width)); |
| } |
| }); |
| |
| for( int i = width; i >= 0; i-- ) { |
| final int index = i; |
| column.getDisplay().syncExec(new Runnable() { |
| |
| public void run() { |
| column.setWidth(index); |
| } |
| |
| }); |
| } |
| } |
| }; |
| |
| private class ExpandThread extends Thread { |
| private int width = 0; |
| private TableColumn column; |
| |
| public ExpandThread(int width, TableColumn column) { |
| super(); |
| this.width = width; |
| this.column = column; |
| } |
| |
| public void run() { |
| for( int i = 0; i <= width; i++ ) { |
| final int index = i; |
| column.getDisplay().syncExec(new Runnable() { |
| |
| public void run() { |
| column.setWidth(index); |
| } |
| |
| }); |
| } |
| } |
| } |
| |
| private class MyContentProvider implements IStructuredContentProvider { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return (MyModel[]) inputElement; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, |
| * java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| |
| } |
| |
| } |
| |
| public class MyModel { |
| public int counter; |
| |
| public MyModel(int counter) { |
| this.counter = counter; |
| } |
| |
| public String toString() { |
| return "Item " + this.counter; |
| } |
| } |
| |
| public class MyLabelProvider extends LabelProvider implements |
| ITableLabelProvider { |
| |
| public Image getColumnImage(Object element, int columnIndex) { |
| return null; |
| } |
| |
| public String getColumnText(Object element, int columnIndex) { |
| return "Column " + columnIndex + " => " + element.toString(); |
| } |
| } |
| |
| public Snippet017TableViewerHideShowColumns(Shell shell) { |
| final TableViewer v = new TableViewer(shell, SWT.BORDER |
| | SWT.FULL_SELECTION); |
| v.setLabelProvider(new MyLabelProvider()); |
| v.setContentProvider(new MyContentProvider()); |
| |
| TableColumn column = new TableColumn(v.getTable(), SWT.NONE); |
| column.setWidth(200); |
| column.setText("Column 1"); |
| |
| column = new TableColumn(v.getTable(), SWT.NONE); |
| column.setWidth(200); |
| column.setText("Column 2"); |
| |
| column = new TableColumn(v.getTable(), SWT.NONE); |
| column.setWidth(200); |
| column.setText("Column 3"); |
| |
| MyModel[] model = createModel(); |
| v.setInput(model); |
| v.getTable().setLinesVisible(true); |
| v.getTable().setHeaderVisible(true); |
| addMenu(v); |
| } |
| |
| private void addMenu(TableViewer v) { |
| final MenuManager mgr = new MenuManager(); |
| Action action; |
| |
| for( int i = 0; i < v.getTable().getColumnCount(); i++ ) { |
| final TableColumn column = v.getTable().getColumn(i); |
| |
| action = new Action(v.getTable().getColumn(i).getText(),SWT.CHECK) { |
| public void runWithEvent(Event event) { |
| if( ! isChecked() ) { |
| ShrinkThread t = new ShrinkThread(column.getWidth(),column); |
| t.run(); |
| } else { |
| ExpandThread t = new ExpandThread(((Integer)column.getData("restoredWidth")).intValue(),column); |
| t.run(); |
| } |
| } |
| |
| }; |
| action.setChecked(true); |
| mgr.add(action); |
| } |
| |
| v.getControl().setMenu(mgr.createContextMenu(v.getControl())); |
| } |
| |
| |
| |
| private MyModel[] createModel() { |
| MyModel[] elements = new MyModel[10]; |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i] = new MyModel(i); |
| } |
| |
| return elements; |
| } |
| |
| /** |
| * @param args |
| */ |
| public static void main(String[] args) { |
| Display display = new Display(); |
| |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| new Snippet017TableViewerHideShowColumns(shell); |
| shell.open(); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| |
| display.dispose(); |
| |
| } |
| |
| } |