@Override
public void controlResized(ControlEvent e) {
IDialogSettings settings = dialogSettings.getSection(COLUMN_WIDTHS);
TreeColumn treeColumn = (TreeColumn) e.widget;
int index = treeColumn.getParent().indexOf(treeColumn);
if (index == 0) {
settings.put(LABEL_COLUMN, treeColumn.getWidth());
} else {
ViewColumn viewColumn = model.getDataProviders().get(index - 1);
settings.put(viewColumn.getDataProviderFactory().getId(), treeColumn.getWidth());
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
*/
@Override
public void createPartControl(Composite parent) {
viewer = new TreeViewer(parent, SWT.FULL_SELECTION | SWT.MULTI);
viewer.getTree().setHeaderVisible(true);
viewer.getTree().setLinesVisible(false);
createContextMenu();
model = new TradingSystemsViewModel(tradingSystemService);
String[] columns = dialogSettings.getArray(COLUMNS);
IDialogSettings namesSection = dialogSettings.getSection(COLUMN_NAMES);
List<ViewColumn> list = new ArrayList<ViewColumn>();
for (int i = 0; i < columns.length; i++) {
String name = namesSection.get(columns[i]);
list.add(new ViewColumn(name, activator.getDataProviderFactory(columns[i])));
}
model.setDataProviders(list);
for (final TradingSystemItem item : model.getList()) {
PropertyChangeSupport changeSupport =
(PropertyChangeSupport) item.getTradingSystem().getAdapter(PropertyChangeSupport.class);
if (changeSupport != null) {
changeSupport.addPropertyChangeListener(
new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
Display.getDefault()
.asyncExec(
new Runnable() {
@Override
public void run() {
if (viewer.getControl().isDisposed()) {
return;
}
viewer.refresh(item);
}
});
}
});
}
}
final ObservableListTreeContentProvider contentProvider =
new ObservableListTreeContentProvider(model, model);
viewer.setContentProvider(contentProvider);
IDialogSettings widthSettings = dialogSettings.getSection(COLUMN_WIDTHS);
TreeViewerColumn viewerColumn = new TreeViewerColumn(viewer, SWT.NONE);
int width = 300;
if (widthSettings.get(LABEL_COLUMN) != null) {
width = widthSettings.getInt(LABEL_COLUMN);
}
viewerColumn.getColumn().setWidth(width);
viewerColumn.getColumn().addControlListener(columnControlListener);
final List<IObservableMap> properties = new ArrayList<IObservableMap>();
properties.add(new ViewerObservableMap(contentProvider.getKnownElements(), LABEL_COLUMN));
for (ViewColumn column : model.getDataProviders()) {
viewerColumn = new TreeViewerColumn(viewer, SWT.RIGHT);
viewerColumn.getColumn().setText(column.getName());
width = 100;
if (widthSettings.get(column.getDataProviderFactory().getId()) != null) {
width = widthSettings.getInt(column.getDataProviderFactory().getId());
}
viewerColumn.getColumn().setWidth(width);
viewerColumn.getColumn().addControlListener(columnControlListener);
column.addPropertyChangeListener(ViewColumn.PROP_NAME, columnPropertiesChangeListener);
properties.add(
new ViewerObservableMap(
contentProvider.getKnownElements(), column.getDataProviderFactory().getId()));
}
createLabelProvider(properties.toArray(new IObservableMap[properties.size()]));
model
.getObservableDataProviders()
.addListChangeListener(
new IListChangeListener() {
@Override
public void handleListChange(ListChangeEvent event) {
event.diff.accept(
new ListDiffVisitor() {
@Override
public void handleRemove(int index, Object element) {
TreeColumn treeColumn = viewer.getTree().getColumn(index + 1);
treeColumn.dispose();
ViewColumn column = (ViewColumn) element;
column.removePropertyChangeListener(
ViewColumn.PROP_NAME, columnPropertiesChangeListener);
IObservableMap observableMap = properties.remove(index + 1);
if (observableMap != null) {
observableMap.dispose();
}
}
@Override
public void handleAdd(int index, Object element) {
ViewColumn column = (ViewColumn) element;
TreeViewerColumn viewerColumn =
new TreeViewerColumn(viewer, SWT.RIGHT, index + 1);
viewerColumn.getColumn().setText(column.getName());
int width = 100;
IDialogSettings widthSettings = dialogSettings.getSection(COLUMN_WIDTHS);
if (widthSettings.get(column.getDataProviderFactory().getId()) != null) {
width = widthSettings.getInt(column.getDataProviderFactory().getId());
}
viewerColumn.getColumn().setWidth(width);
viewerColumn.getColumn().addControlListener(columnControlListener);
column.addPropertyChangeListener(
ViewColumn.PROP_NAME, columnPropertiesChangeListener);
properties.add(
index + 1,
new ViewerObservableMap(
contentProvider.getKnownElements(),
column.getDataProviderFactory().getId()));
}
});
createLabelProvider(properties.toArray(new IObservableMap[properties.size()]));
IDialogSettings namesSection = dialogSettings.getSection(COLUMN_NAMES);
List<String> list = new ArrayList<String>();
for (ViewColumn column : model.getDataProviders()) {
list.add(column.getDataProviderFactory().getId());
namesSection.put(column.getDataProviderFactory().getId(), column.getName());
}
dialogSettings.put(COLUMNS, list.toArray(new String[list.size()]));
}
});
viewer.setComparator(new ViewerComparator());
getSite().setSelectionProvider(viewer);
viewer.setInput(model);
viewer.expandAll();
}