protected void createTableViewer(Composite parent) {
viewer =
new FeatureTableViewer(
parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
contentProvider = new LazyFeatureContentProvider();
contentProvider.filter(featureLayer.filter());
viewer.setContentProvider(contentProvider);
// add columns
DefaultFeatureTableColumn first = null;
for (PropertyDescriptor prop : fs.getSchema().getDescriptors()) {
if (Geometry.class.isAssignableFrom(prop.getType().getBinding())) {
// skip Geometry
} else {
DefaultFeatureTableColumn column = new DefaultFeatureTableColumn(prop);
// disable default sorting behaviour
// column.setSortable( false );
viewer.addColumn(column);
first = first != null ? first : column;
// column.getViewerColumn().getColumn().addSelectionListener( new
// SelectionAdapter() {
// private SortOrder currentOrder = SortOrder.ASCENDING;
// @Override
// public void widgetSelected( SelectionEvent ev ) {
// // with selection RAP produces huge JS which fails in browser
// viewer.setSelection( StructuredSelection.EMPTY );
// currentOrder = currentOrder.equals( ASCENDING ) ? DESCENDING :
// ASCENDING;
// contentProvider.sort( column, currentOrder );
// }
// });
}
}
// it is important to sort any column; otherwise preserving selection during refresh()
// always selects a new element, which causes an event, which causes a refresh() ...
first.sort(SWT.UP);
//
viewer.setInput(fs);
// selection -> FeaturePanel
viewer.addSelectionChangedListener(
ev -> {
on(ev.getSelection())
.first(IFeatureTableElement.class)
.ifPresent(
elm -> {
log.info("selection: " + elm);
featureLayer.setClicked(elm.unwrap(Feature.class).get());
BatikApplication.instance()
.getContext()
.openPanel(panel.site().path(), FeaturePanel.ID);
});
});
}
@EventHandler(display = true)
protected void onFeatureChange(FeatureEvent ev) {
if (!viewer.getTable().isDisposed()) {
// XXX this tries to preserve selection; this is index based; it causes
// a selection event; if sort has changed, another element ist selected!
viewer.refresh();
} else {
EventManager.instance().unsubscribe(this);
}
}
@EventHandler(display = true)
protected void onFeatureClick(FeatureClickEvent ev) throws IOException {
if (!viewer.getTable().isDisposed()) {
IFeatureTableElement[] selected = viewer.getSelectedElements();
String clickedFid = ev.clicked.get().getIdentifier().getID();
if (selected.length != 1 || !selected[0].fid().equals(clickedFid)) {
// viewer.setSelection() does not work with LazyContentProvider
int index = contentProvider.indexOfFid(clickedFid);
viewer.getTable().select(index);
viewer.getTable().showSelection();
}
} else {
EventManager.instance().unsubscribe(this);
}
}
public FeatureSelectionTable(Composite parent, FeatureLayer featureLayer, IPanel panel) {
BatikApplication.instance().getContext().propagate(this);
this.featureLayer = featureLayer;
this.fs = featureLayer.featureSource();
this.panel = panel;
parent.setLayout(FormLayoutFactory.defaults().create());
// topbar
Composite topbar = on(tk().createComposite(parent)).fill().noBottom().height(36).control();
topbar.setLayout(FormLayoutFactory.defaults().spacing(10).margins(3).create());
// closeBtn
Button closeBtn = tk().createButton(topbar, "", SWT.PUSH, SWT.FLAT);
closeBtn.setToolTipText("Close table");
closeBtn.setImage(
BatikPlugin.images()
.svgImage(
"close.svg", SvgImageRegistryHelper.NORMAL12)); // P4Plugin.TOOLBAR_ICON_CONFIG ) );
on(closeBtn).left(0).top(0).height(26).width(28);
closeBtn.addSelectionListener(
selectionListener(
ev -> {
close();
}));
// title
Label title = tk().createLabel(topbar, abbreviate(featureLayer.layer().label.get(), 20));
title.setFont(MdAppDesign.font(FontStyle.Title));
on(title).top(0, 1).left(closeBtn, -8);
// seach
createTextSearch(topbar);
on(searchText.getControl()).left(title).top(0).width(250);
// toolbar
toolbar = tk().createToolbar(topbar, SWT.FLAT);
on(toolbar.getControl()).fill().noLeft().right(100);
ContributionManager.instance().contributeTo(toolbar, panel, TOOLBAR_TAG);
// table viewer
createTableViewer(parent);
on(viewer.getTable()).fill().top(topbar);
// listen to commit events
EventManager.instance()
.subscribe(
this,
TypeEventFilter.ifType(
FeatureEvent.class,
ev -> ev.getType() == Type.COMMIT && ev.getFeatureSource() == fs));
// listen to click events
EventManager.instance()
.subscribe(
this,
TypeEventFilter.ifType(
FeatureClickEvent.class,
ev -> ev.getSource() == this.featureLayer && ev.clicked.isPresent()));
}
protected void doSearch() {
Filter filter = featureLayer.filter();
String s = searchText.getText().getText();
if (!StringUtils.isBlank(s)) {
if (!s.contains("*") && !s.contains("?")) {
s = s + "*";
}
for (PropertyDescriptor prop : fs.getSchema().getDescriptors()) {
if (String.class.isAssignableFrom(prop.getType().getBinding())) {
PropertyIsLike isLike = ff.like(ff.property(prop.getName()), s, "*", "?", "\\");
filter = filter == Filter.INCLUDE ? isLike : ff.or(filter, isLike);
}
}
}
viewer.setSelection(StructuredSelection.EMPTY);
log.info("FILTER: " + filter);
// FeatureCollection filtered = features.subCollection( filter );
// log.info( "RESULT: " + filtered.size() );
contentProvider.filter(filter);
}