private void processNewFile(DataBean bean) {
try {
locker.acquire();
} catch (InterruptedException e) {
e.printStackTrace();
}
playback.addFile((String) bean.getGuiParameters().get(GuiParameters.FILENAME));
String colourScheme = getPreferenceColourMapChoice();
SWTGridEntry entry =
new SWTGridEntry(
(String) bean.getGuiParameters().get(GuiParameters.FILENAME),
bean.getData().get(0),
canvas,
colourScheme,
getPreferenceAutoContrastLo(),
getPreferenceAutoContrastHi());
Integer xPos = (Integer) bean.getGuiParameters().get(GuiParameters.IMAGEGRIDXPOS);
Integer yPos = (Integer) bean.getGuiParameters().get(GuiParameters.IMAGEGRIDYPOS);
if (xPos != null && yPos != null) imageGrid.addEntry(entry, xPos, yPos);
else imageGrid.addEntry(entry);
imageGrid.setThumbnailSize(getPreferenceImageSize());
locker.release();
if (liveActive) playback.moveToLast();
}
private void resetPlaying(boolean reset) {
playback.stop();
if (reset) playback.clearPlayback();
btnPlay.setSelection(false);
btnPlay.setImage(imgPlay);
sldProgress.setSelection(0);
curPosition = -1;
}
/** Play button action of ImageExplorer */
public void play() {
boolean isPaused = playback.isPaused();
btnPlay.setImage(imgStill);
playback.start();
if (!isPaused) {
playback.setSelection(getSelection());
playback.setDelay(getPreferenceTimeDelay());
playback.setStepping(getPreferencePlaybackRate());
execSvc.execute(playback);
}
}
@Override
public void dispose() {
isDisposed = true;
GuiBean finalBean = saveStateToServer();
if (imageGrid != null) {
imageGrid.dispose();
}
if (execSvc != null) {
execSvc.shutdown();
}
if (finalBean != null) {
try {
plotServer.updateGui(plotViewName, finalBean);
} catch (Exception e) {
logger.warn("Problem with updating plot server with GUI data");
e.printStackTrace();
}
}
playback.dispose();
}
@Override
public void widgetSelected(SelectionEvent e) {
if (e.getSource().equals(cmbDirectoryLocation)) {
final String newDirectory =
cmbDirectoryLocation.getItem(cmbDirectoryLocation.getSelectionIndex());
if (newDirectory != null && newDirectory.length() > 0) {
addToHistory();
resetHistory();
resetPlaying(true);
spawnLoadJob(newDirectory);
currentDir = newDirectory;
}
} else if (e.getSource().equals(btnHistoryBack)) {
String newDir = history.get(historyPointer);
btnHistoryForw.setEnabled(true);
cmbDirectoryLocation.setText(newDir);
resetPlaying(true);
spawnLoadJob(newDir);
historyPointer++;
if (historyPointer >= history.size()) {
btnHistoryBack.setEnabled(false);
historyPointer = history.size() - 1;
}
if (firstBack) {
addToHistory();
firstBack = false;
historyPointer++;
}
} else if (e.getSource().equals(btnHistoryForw)) {
historyPointer--;
String newDir = history.get(historyPointer);
resetPlaying(true);
spawnLoadJob(newDir);
cmbDirectoryLocation.setText(newDir);
btnHistoryBack.setEnabled(true);
if (historyPointer <= 0) {
btnHistoryForw.setEnabled(false);
historyPointer = 1;
}
} else if (e.getSource().equals(btnPlay)) {
if (btnPlay.getSelection()) {
boolean isPaused = playback.isPaused();
btnPlay.setImage(imgStill);
playback.start();
if (!isPaused) {
playback.setSelection(getSelection());
playback.setDelay(getPreferenceTimeDelay());
playback.setStepping(getPreferencePlaybackRate());
execSvc.execute(playback);
}
} else {
playback.pause();
btnPlay.setImage(imgPlay);
}
} else if (e.getSource().equals(btnStop)) {
sldProgress.setSelection(0);
curPosition = -1;
btnPlay.setSelection(false);
btnPlay.setImage(imgPlay);
playback.stop();
} else if (e.getSource().equals(btnRewind)) {
sldProgress.setSelection(0);
curPosition = -1;
playback.rewind();
} else if (e.getSource().equals(btnForward)) {
sldProgress.setSelection(sldProgress.getMaximum());
playback.forward();
} else if (e.getSource().equals(sldProgress)) {
int p = sldProgress.getSelection();
if (p != curPosition) {
playback.setPlayPos(p);
curPosition = p;
}
} else if (e.getSource().equals(btnPlayLoop)) {
playback.setAutoRewind(btnPlayLoop.getSelection());
}
}
@SuppressWarnings("unchecked")
@Override
public void update(Object source, Object changeCode) {
if (stopLoading) return;
if (source == ImageExplorerView.FOLDER_UPDATE_MARKER) { // Folder Update
if (changeCode instanceof List<?>) {
playback.clearPlayback();
btnPlay
.getDisplay()
.asyncExec(
new Runnable() {
@Override
public void run() {
resetPlaying(false);
if (isLive) {
playback.setDelay(50);
playback.setStepping(1);
playback.start();
btnPlay.setSelection(true);
btnPlay.setImage(imgStill);
execSvc.execute(playback);
if (!monActive)
CommandExecutor.executeCommand(
getViewSite(),
"uk.ac.diamond.scisoft.analysis.rcp.MontorDirectoryAction");
cmbDirectoryLocation.setText(currentDir);
isLive = false;
}
}
});
filesToLoad = (List<String>) changeCode;
processClientLocalUpdate();
}
} else {
if (source instanceof RMIPlotServer && changeCode instanceof String) {
String viewName = (String) changeCode;
if (!viewName.startsWith("Image Explorer")) return;
RMIPlotServer server = (RMIPlotServer) source;
try {
String[] names = server.getGuiNames();
final DataBean bean = server.getData(names[0]);
// when imagegrid size is set it means we need to reset the grid
if (bean != null && bean.getGuiParameters().get(GuiParameters.IMAGEGRIDSIZE) != null) {
Display.getDefault()
.syncExec(
new Runnable() {
@Override
public void run() {
Integer[] gridDim =
(Integer[]) bean.getGuiParameters().get(GuiParameters.IMAGEGRIDSIZE);
if (imageGrid != null) imageGrid.dispose();
imageGrid =
new PlotServerSWTImageGrid(
gridDim[0], gridDim[1], canvas, plotViewName);
imageGrid.setThumbnailSize(getPreferenceImageSize());
}
});
}
if (bean != null) {
if (bean.getData().isEmpty()) {
// We try to load the data from the filename if data not in the databean
String filename = (String) bean.getGuiParameters().get(GuiParameters.FILENAME);
if (filename == null) return;
List<DatasetWithAxisInformation> data = new ArrayList<>();
DatasetWithAxisInformation dwai = new DatasetWithAxisInformation();
IDataHolder holder = LoaderFactory.getData(filename);
IDataset loadedData = holder.getDataset(0);
dwai.setData(loadedData);
data.add(dwai);
bean.setData(data);
}
processUpdate(bean);
} else {
throw new Exception("Databean is null. This image grid use is not supported.");
}
} catch (Exception e) {
logger.error("Error updating data from server: ", e);
}
}
}
}