Attachment 26906 Details for Bug 108941 – UI Test to expose the problem

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UI Test to expose the problem

TreeViewerTest2.java (text/plain), 7.20 KB, created by Rajeev Sudra

on 2005-09-07 11:25:47 EDT

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Description:

Filename:

MIME Type:

Creator: Rajeev Sudra

Created: 2005-09-07 11:25:47 EDT

Size: 7.20 KB

patch

obsolete

>package com.enigmatec.rif.experimental.preferences;
>
>import java.io.File;
>
>import org.eclipse.jface.viewers.ILabelProviderListener;
>import org.eclipse.jface.viewers.ITableColorProvider;
>import org.eclipse.jface.viewers.ITableFontProvider;
>import org.eclipse.jface.viewers.ITableLabelProvider;
>import org.eclipse.jface.viewers.ITreeContentProvider;
>import org.eclipse.jface.viewers.ITreeViewerListener;
>import org.eclipse.jface.viewers.TreeExpansionEvent;
>import org.eclipse.jface.viewers.TreeViewer;
>import org.eclipse.jface.viewers.Viewer;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.graphics.Color;
>import org.eclipse.swt.graphics.Font;
>import org.eclipse.swt.graphics.Image;
>import org.eclipse.swt.layout.FormAttachment;
>import org.eclipse.swt.layout.FormData;
>import org.eclipse.swt.layout.FormLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.DirectoryDialog;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Tree;
>import org.eclipse.swt.widgets.TreeColumn;
>import org.eclipse.swt.widgets.TreeItem;
>
>/**
> * @author Rajeev Sudra
> * @version $Revision: $
> *
> */
>public class TreeViewerTest2 {
>
>	private static TreeViewerTestLabelProvider labelProvider1 = new TreeViewerTestLabelProvider();
>	
>	private static ITreeContentProvider contentProvider = new ITreeContentProvider() {
>		public Object[] getChildren(Object parentElement) {
>			if (!(parentElement instanceof File))
>				return null;
>			File file = (File) parentElement;
>			if (file.isDirectory())
>				return file.listFiles();
>			return null;
>		}
>
>		public Object getParent(Object element) {
>			if (!(element instanceof File))
>				return null;
>			File file = (File) element;
>			return file.getParentFile();
>		}
>
>		public boolean hasChildren(Object element) {
>			if (!(element instanceof File))
>				return false;
>			File file = (File) element;
>			return file.isDirectory();
>		}
>
>		public Object[] getElements(Object inputElement) {
>			return getChildren(inputElement);
>		}
>
>		public void dispose() {
>		}
>
>		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
>		}
>	};
>	
>	private static class TreeViewerTestLabelProvider implements ITableLabelProvider, ITableColorProvider, ITableFontProvider {
>		Font font = null;
>
>		public String getColumnText(Object element, int columnIndex) {
>			if (!(element instanceof File))
>				return null;
>			File file = (File) element;
>			switch (columnIndex) {
>			case 0:
>				return file.getName();
>			case 1:
>				return "" + file.isHidden();
>			}
>			return null;
>		}
>
>		public Image getColumnImage(Object element, int columnIndex) {
>			if (columnIndex != 0)
>				return null;
>			if (!(element instanceof File))
>				return null;
>			File file = (File) element;
>			Display display = Display.getCurrent();
>			if (file.isDirectory())
>				return display.getSystemImage(SWT.ICON_WARNING);
>			return display.getSystemImage(SWT.ICON_QUESTION);
>		}
>
>		public void dispose() {
>			if (font != null)
>				font.dispose();
>			font = null;
>		}
>
>		public boolean isLabelProperty(Object element, String property) {
>			return false;
>		}
>
>		public void addListener(ILabelProviderListener listener) {
>		}
>
>		public void removeListener(ILabelProviderListener listener) {
>		}
>
>		public Color getForeground(Object element, int columnIndex) {
>			if (columnIndex == 1) {
>				Display display = Display.getCurrent();
>				return display.getSystemColor(SWT.COLOR_RED);
>			}
>			return null;
>		}
>
>		public Color getBackground(Object element, int columnIndex) {
>			if (columnIndex == 0) {
>				File file = (File) element;
>				Display display = Display.getCurrent();
>				if (file.isDirectory())
>					return display.getSystemColor(SWT.COLOR_CYAN);
>				return display.getSystemColor(SWT.COLOR_MAGENTA);
>			}
>			return null;
>		}
>
>		public Font getFont(Object element, int columnIndex) {
>			if (columnIndex == 2) {
>				if (font == null) {
>					Display display = Display.getCurrent();
>					font = new Font(display, "Times", 12, SWT.ITALIC);
>				}
>				return font;
>			}
>			return null;
>		}
>	}
>	
>	public static void main(String[] args) {
>		final Display display = new Display();
>		final Shell shell = new Shell(display);
>		shell.setLayout(new FormLayout());
>		
>		final TreeViewer treeViewer1 = new TreeViewer(shell, SWT.FULL_SELECTION | SWT.CHECK);
>		Tree tree1 = treeViewer1.getTree();
>		tree1.setHeaderVisible(true);
>		TreeColumn column1 = new TreeColumn(tree1, SWT.LEFT);
>		column1.setText("File");
>		column1.setImage(display.getSystemImage(SWT.ICON_WORKING));
>		column1.setWidth(200);
>		TreeColumn column2 = new TreeColumn(tree1, SWT.CENTER);
>		column2.setText("Read-only");
>		column2.setImage(display.getSystemImage(SWT.ICON_INFORMATION));
>		column2.setWidth(200);
>		treeViewer1.setLabelProvider(labelProvider1);
>		treeViewer1.setContentProvider(contentProvider);
>		
>		treeViewer1.addTreeListener(new ITreeViewerListener() {
>
>			public void treeCollapsed(TreeExpansionEvent event) {
>				System.out.println(".treeCollapsed()");
>				printExpandedState(treeViewer1);
>			}
>
>			public void treeExpanded(TreeExpansionEvent event) {
>				System.out.println(".treeExpanded()");
>				printExpandedState(treeViewer1);
>			}
>			
>		});
>		
>		Button b = new Button(shell, SWT.PUSH);
>		b.setText("choose root folder");
>		b.addListener(SWT.Selection, new Listener() {
>			public void handleEvent(Event e) {
>				DirectoryDialog f = new DirectoryDialog(shell, SWT.OPEN);
>				String root = f.open();
>				if (root != null) {
>					File file = new File(root);
>					if (file.exists()) {
>						treeViewer1.setInput(file);
>						treeViewer1.refresh();
>					}
>				}
>			}
>		});
>		
>		Button b2 = new Button(shell, SWT.PUSH);
>		b2.setText("invoke after expansion");
>		b2.addListener(SWT.Selection, new Listener() {
>			public void handleEvent(Event e) {
>				//printYCoords(treeViewer1);
>				printExpandedState(treeViewer1);
>			}
>		});
>		
>		FormData data = new FormData();
>		data.left = new FormAttachment(0, 10);
>		data.top = new FormAttachment(0, 10);
>		data.right = new FormAttachment(50, -5);
>		data.bottom = new FormAttachment(b, -10);
>		tree1.setLayoutData(data);
>
>		data = new FormData();
>		data.left = new FormAttachment(0, 10);
>		data.bottom = new FormAttachment(100, -10);
>		b.setLayoutData(data);
>
>		data = new FormData();
>		data.left = new FormAttachment(0, 150);
>		data.bottom = new FormAttachment(100, -10);
>		b2.setLayoutData(data);
>		
>		shell.open();
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		display.dispose();
>	}
>	
>	private static void printYCoords(TreeViewer viewer) {
>		TreeItem[] items = viewer.getTree().getItems();
>		for (int i = 0; i < items.length; i++) {
>			System.out.println(items[i].getData() + " : " + items[i].getBounds().y);
>		}
>		System.out.println("----------------");
>	}
>	
>	private static void printExpandedState(TreeViewer viewer) {
>		Object[] objects = viewer.getExpandedElements();
>		for (int i = 0; i < objects.length; i++) {
>			System.out.println(objects[i] + " : expanded");
>		}
>		System.out.println("----------------");
>	}
>
>}

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Attachments on bug 108941: 26906