@Test
public void testGetPreferredWidthWithInvisibleHeader() {
tree.setHeaderVisible(true);
column.setText("column");
int preferredWidth = column.getPreferredWidth();
tree.setHeaderVisible(false);
assertEquals(preferredWidth, column.getPreferredWidth());
}
@Test
public void testPack() throws IOException {
tree.setHeaderVisible(true);
column.addListener(SWT.Resize, new LoggingListener());
// Ensure that controlResized is fired when pack changes the width
column.setWidth(12312);
eventLog.clear();
column.pack();
assertSame(eventLog.get(0).widget, column);
// Ensure that controlResized is *not* fired when pack doesn't change the
// width
eventLog.clear();
column.pack();
assertEquals(0, eventLog.size());
// pack calculates a minimal width for an empty column
column = new TreeColumn(tree, SWT.NONE);
column.pack();
assertTrue(column.getWidth() > 0);
// Test that an image on a column is taken into account
column = new TreeColumn(tree, SWT.NONE);
Image image = createImage(display, Fixture.IMAGE_50x100);
column.setImage(image);
column.pack();
assertTrue(column.getWidth() >= image.getBounds().width);
// An item wider than the column itself strechtes the column
column = new TreeColumn(tree, SWT.NONE);
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setImage(image);
column.pack();
assertTrue(column.getWidth() >= item.getBounds().width);
int widthNoSortIndicator = column.getWidth();
tree.setSortColumn(column);
tree.setSortDirection(SWT.UP);
column.pack();
assertTrue(column.getWidth() > widthNoSortIndicator);
}
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Tree tree = new Tree(shell, SWT.FULL_SELECTION | SWT.BORDER);
tree.setHeaderVisible(true);
TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
column0.setText("Column 0");
TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
column1.setText("Column 1");
TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
column2.setText("Column 2");
for (int i = 0; i < 9; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
item.setText(1, "column 1 - " + i);
item.setText(2, "column 2 - " + i);
for (int j = 0; j < 9; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + i + " " + j);
subItem.setText(1, "column 1 - " + i + " " + j);
subItem.setText(2, "column 2 - " + i + " " + j);
for (int k = 0; k < 9; k++) {
TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
subsubItem.setText("item " + i + " " + j + " " + k);
subsubItem.setText(1, "column 1 - " + i + " " + j + " " + k);
subsubItem.setText(2, "column 2 - " + i + " " + j + " " + k);
}
}
}
column0.pack();
column1.pack();
column2.pack();
Heartbeat =
new Runnable() {
@Override
public void run() {
if (!Tracking || tree.isDisposed()) return;
Point cursor = display.getCursorLocation();
cursor = display.map(null, tree, cursor);
Scroll(tree, cursor.x, cursor.y);
display.timerExec(ScrollSpeed, Heartbeat);
}
};
Listener listener =
new Listener() {
@Override
public void handleEvent(Event event) {
switch (event.type) {
case SWT.MouseEnter:
Tracking = true;
display.timerExec(0, Heartbeat);
break;
case SWT.MouseExit:
Tracking = false;
break;
}
}
};
tree.addListener(SWT.MouseEnter, listener);
tree.addListener(SWT.MouseExit, listener);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
display = parent.getDisplay();
sashForm = new SashForm(parent, SWT.VERTICAL);
FillLayout layout = new FillLayout();
sashForm.setLayout(layout);
GridData data = new GridData(GridData.FILL_BOTH);
sashForm.setLayoutData(data);
initializeDialogUnits(sashForm);
Composite composite = new Composite(sashForm, SWT.NONE);
GridLayout gridLayout = new GridLayout();
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
composite.setLayout(gridLayout);
treeViewer = createTreeViewer(composite);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = convertHeightInCharsToPixels(ILayoutConstants.DEFAULT_TABLE_HEIGHT);
data.widthHint = convertWidthInCharsToPixels(ILayoutConstants.DEFAULT_TABLE_WIDTH);
Tree tree = treeViewer.getTree();
tree.setLayoutData(data);
tree.setHeaderVisible(true);
activateCopy(tree);
TreeViewerColumn nameColumn = new TreeViewerColumn(treeViewer, SWT.LEFT);
nameColumn.getColumn().setText(ProvUIMessages.ProvUI_NameColumnTitle);
nameColumn.getColumn().setWidth(400);
nameColumn.getColumn().setMoveable(true);
nameColumn.setLabelProvider(
new ColumnLabelProvider() {
public String getText(Object element) {
IInstallableUnit iu = ProvUI.getAdapter(element, IInstallableUnit.class);
String label = iu.getProperty(IInstallableUnit.PROP_NAME, null);
if (label == null) label = iu.getId();
return label;
}
public Image getImage(Object element) {
if (element instanceof ProvElement) return ((ProvElement) element).getImage(element);
if (ProvUI.getAdapter(element, IInstallableUnit.class) != null)
return ProvUIImages.getImage(ProvUIImages.IMG_IU);
return null;
}
public String getToolTipText(Object element) {
if (element instanceof AvailableIUElement
&& ((AvailableIUElement) element).getImageOverlayId(null) == ProvUIImages.IMG_INFO)
return ProvUIMessages.RemedyElementNotHighestVersion;
return super.getToolTipText(element);
}
});
TreeViewerColumn versionColumn = new TreeViewerColumn(treeViewer, SWT.LEFT);
versionColumn.getColumn().setText(ProvUIMessages.ProvUI_VersionColumnTitle);
versionColumn.getColumn().setWidth(200);
versionColumn.setLabelProvider(
new ColumnLabelProvider() {
public String getText(Object element) {
IInstallableUnit iu = ProvUI.getAdapter(element, IInstallableUnit.class);
if (element instanceof IIUElement) {
if (((IIUElement) element).shouldShowVersion()) return iu.getVersion().toString();
return ""; //$NON-NLS-1$
}
return iu.getVersion().toString();
}
});
TreeViewerColumn idColumn = new TreeViewerColumn(treeViewer, SWT.LEFT);
idColumn.getColumn().setText(ProvUIMessages.ProvUI_IdColumnTitle);
idColumn.getColumn().setWidth(200);
idColumn.setLabelProvider(
new ColumnLabelProvider() {
public String getText(Object element) {
IInstallableUnit iu = ProvUI.getAdapter(element, IInstallableUnit.class);
return iu.getId();
}
});
// Filters and sorters before establishing content, so we don't refresh unnecessarily.
IUComparator comparator = new IUComparator(IUComparator.IU_NAME);
comparator.useColumnConfig(getColumnConfig());
treeViewer.setComparator(comparator);
treeViewer.setComparer(new ProvElementComparer());
ColumnViewerToolTipSupport.enableFor(treeViewer);
contentProvider = new ProvElementContentProvider();
treeViewer.setContentProvider(contentProvider);
// labelProvider = new IUDetailsLabelProvider(null, getColumnConfig(), getShell());
// treeViewer.setLabelProvider(labelProvider);
// Optional area to show the size
createSizingInfo(composite);
// The text area shows a description of the selected IU, or error detail if applicable.
iuDetailsGroup =
new IUDetailsGroup(
sashForm,
treeViewer,
convertWidthInCharsToPixels(ILayoutConstants.DEFAULT_TABLE_WIDTH),
true);
setControl(sashForm);
sashForm.setWeights(getSashWeights());
Dialog.applyDialogFont(sashForm);
// Controls for filtering/presentation/site selection
Composite controlsComposite = new Composite(composite, SWT.NONE);
gridLayout = new GridLayout();
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
gridLayout.numColumns = 2;
gridLayout.makeColumnsEqualWidth = true;
gridLayout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
controlsComposite.setLayout(layout);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, false);
controlsComposite.setLayoutData(gd);
final Runnable runnable =
new Runnable() {
public void run() {
treeViewer.addSelectionChangedListener(
new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
setDetailText(resolvedOperation);
}
});
setDrilldownElements(input, resolvedOperation);
treeViewer.setInput(input);
}
};
if (resolvedOperation != null && !resolvedOperation.hasResolved()) {
try {
getContainer()
.run(
true,
false,
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
resolvedOperation.resolveModal(monitor);
display.asyncExec(runnable);
}
});
} catch (Exception e) {
StatusManager.getManager()
.handle(new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e));
}
} else {
runnable.run();
}
}