private void clearSelected() {
fileManager.getFilePaths().remove(selectedFile);
if (fileManager.getFilePaths().isEmpty()) {
fileManager.clear();
csw.disable();
currentSliceLabel.setText("Current slice of data: [ - - - - -]");
eventManager.sendInitialDataUpdate(null);
} else {
viewer.setSelection(new StructuredSelection(fileManager.getFilePaths().get(0)), true);
}
job = null;
try {
input.reset();
output.reset();
} catch (Exception e1) {
logger.error("Could not clear plotting systems");
}
viewer.refresh();
}
@Override
public void createPartControl(Composite parent) {
fileManager = new FileManager(new SetupContextHelper());
parent.setLayout(new GridLayout());
viewer = new TableViewer(parent);
viewer.getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
viewer.setLabelProvider(new ViewLabelProvider());
viewer.setContentProvider(new BasicContentProvider());
viewer.setInput(fileManager);
viewer.addSelectionChangedListener(
new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (event.getSelection() instanceof StructuredSelection) {
inputData = null;
eventManager.sendInputDataUpdate(null);
selectedFile =
(String) ((StructuredSelection) event.getSelection()).getFirstElement();
update(currentOperation);
}
}
});
ColumnViewerToolTipSupport.enableFor(viewer);
DropTargetAdapter dropListener =
new DropTargetAdapter() {
@Override
public void drop(DropTargetEvent event) {
Object dropData = event.data;
if (dropData instanceof TreeSelection) {
TreeSelection selectedNode = (TreeSelection) dropData;
Object obj[] = selectedNode.toArray();
List<String> paths = new ArrayList<String>();
for (int i = 0; i < obj.length; i++) {
if (obj[i] instanceof IFile) {
IFile file = (IFile) obj[i];
paths.add(file.getLocation().toOSString());
}
}
if (!paths.isEmpty()) fileManager.addFiles(paths.toArray(new String[paths.size()]));
} else if (dropData instanceof String[]) {
fileManager.addFiles((String[]) dropData);
}
viewer.setInput(fileManager);
}
};
DropTarget dt =
new DropTarget(viewer.getControl(), DND.DROP_MOVE | DND.DROP_DEFAULT | DND.DROP_COPY);
dt.setTransfer(
new Transfer[] {
TextTransfer.getInstance(),
FileTransfer.getInstance(),
ResourceTransfer.getInstance(),
LocalSelectionTransfer.getTransfer()
});
dt.addDropListener(dropListener);
csw = new ChangeSliceWidget(parent);
csw.addSliceChangeListener(
new ISliceChangeListener() {
@Override
public void sliceChanged(SliceChangeEvent event) {
inputData = null;
eventManager.sendInputDataUpdate(null);
String ss = Slice.createString(csw.getCurrentSlice());
currentSliceLabel.setText("Current slice of data: [" + ss + "]");
currentSliceLabel.getParent().layout(true);
update(currentOperation);
}
});
csw.disable();
final MenuManager rightClick = new MenuManager();
createActions(rightClick);
viewer.getControl().setMenu(rightClick.createContextMenu(viewer.getControl()));
getSite()
.getPage()
.addSelectionListener(
"org.dawnsci.processing.ui.processingView",
new ISelectionListener() {
@Override
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
if (selection instanceof StructuredSelection
&& ((StructuredSelection) selection).getFirstElement()
instanceof OperationDescriptor) {
OperationDescriptor des =
(OperationDescriptor) ((StructuredSelection) selection).getFirstElement();
try {
currentOperation = des.getSeriesObject();
update(currentOperation);
} catch (InstantiationException e) {
logger.error(e.getMessage(), e);
}
} else {
if (getOperations() == null || getOperations().length == 0) {
output.clear();
}
}
}
});
currentSliceLabel = new Label(parent, SWT.WRAP);
currentSliceLabel.setText("Current slice of data: [ - - - - -]");
IWorkbenchPage page = getSite().getPage();
IViewPart view = page.findView("org.dawnsci.processing.ui.output");
output = (IPlottingSystem<Composite>) view.getAdapter(IPlottingSystem.class);
view = page.findView("org.dawnsci.processing.ui.input");
input = (IPlottingSystem<Composite>) view.getAdapter(IPlottingSystem.class);
fileManager.addFileListener(
new IFilesAddedListener() {
@Override
public void filesAdded(FileAddedEvent event) {
String[] paths = event.getPaths();
boolean[] success = event.getSuccess();
int first = -1;
final List<String> failedPaths = new ArrayList<String>();
for (int i = 0; i < success.length; i++) {
if (success[i] && first < 0) first = i;
if (!success[i]) failedPaths.add(paths[i]);
}
String dsName = "";
try {
dsName = " (" + fileManager.getContext().getDatasetNames().get(0) + ")";
} catch (Exception e) {
// ignore
}
final String dsn = dsName;
final int f = first;
Display.getDefault()
.syncExec(
new Runnable() {
@Override
public void run() {
if (f < 0) {
MessageDialog.openError(
getSite().getShell(),
"Error loading files",
"None of the selected files contained suitable datasets" + dsn + "!");
return;
}
if (!failedPaths.isEmpty()) {
StringBuilder sb = new StringBuilder();
sb.append("Failed to load: ");
for (String p : failedPaths) sb.append(p + ", ");
sb.append("did not contain suitable datasets");
sb.append(dsn);
MessageDialog.openError(
getSite().getShell(), "Error loading some files", sb.toString());
}
}
});
if (f < 0) return;
final String path = paths[first];
Display.getDefault()
.syncExec(
new Runnable() {
@Override
public void run() {
viewer.refresh();
viewer.setSelection(new StructuredSelection(path), true);
}
});
}
});
eventManager.addOperationRunnerListener(
new IOperationGUIRunnerListener.Stub() {
@Override
public void updateRequested() {
update(currentOperation);
}
});
// hook up delete key to remove from list
viewer
.getTable()
.addKeyListener(
new KeyListener() {
@Override
public void keyReleased(KeyEvent e) {}
@Override
public void keyPressed(KeyEvent e) {
if (e.keyCode == SWT.DEL) {
clearSelected();
}
}
});
}
