public Chart createValueChart(String title) {
Chart chart = createChart(title, "Count");
chart.addSeries(
chart.createSeries().setName("Count").setPoints(values.toArray(new Number[values.size()])));
return chart;
}
public Chart createPercentageChart(String title) {
Chart chart = createChart(title, "%");
chart.addSeries(
chart
.createSeries()
.setName("%")
.setPoints(percentages.toArray(new Number[percentages.size()])));
return chart;
}
private void setDefaultChartOptions(
String yTitle, String[] seriesName, boolean hasOppositeTitle) {
chart
.setToolTip(new ToolTip().setEnabled(false)) //
.setLegend(new Legend().setEnabled(true)) //
.setCredits(
new Credits().setEnabled(false) //
);
chart
.getYAxis(0)
.setAxisTitle(new AxisTitle().setText(yTitle).setAlign(AxisTitle.Align.MIDDLE))
.setAllowDecimals(false);
chart
.getXAxis() //
.setType(Axis.Type.DATE_TIME) //
.setLabels(
new XAxisLabels() //
.setRotation(-45) //
.setAlign(Labels.Align.RIGHT)
.setFormatter(
new AxisLabelsFormatter() {
@Override
public String format(AxisLabelsData axisLabelsData) {
if (axisLabelsData.getValueAsDouble() < 0) {
return "";
}
return DateTimeFormat.getFormat("mm:ss")
.format(new Date(axisLabelsData.getValueAsLong()));
}
}) //
);
for (int i = 0; i < seriesName.length; i++) {
if (hasOppositeTitle) {
chart.addSeries(chart.createSeries().setName(seriesName[i]).setYAxis(i));
} else {
chart.addSeries(chart.createSeries().setName(seriesName[i]));
}
}
}
/** This is the entry point method. */
public void onModuleLoad() {
final VerticalPanel progressBarPanel = new VerticalPanel();
final Map<String, ProgressBar> progressBars = new LinkedHashMap<String, ProgressBar>();
final Map<String, Image> cancelButtons = new LinkedHashMap<String, Image>();
final Map<String, Image> extensionsImages = new LinkedHashMap<String, Image>();
final Map<String, Point> pointsByFile = new LinkedHashMap<>();
final Chart chart = new Chart().setType(Series.Type.PIE).setMarginRight(0);
chart.setToolTip(
new ToolTip()
.setFormatter(
new ToolTipFormatter() {
public String format(ToolTipData toolTipData) {
return "<b>"
+ toolTipData.getSeriesName()
+ "</b><br/>"
+ toolTipData.getPointName()
+ ": "
+ toolTipData.getYAsDouble()
+ " %";
}
}));
ChartTitle chartTitle = new ChartTitle();
chartTitle.setText("Progress");
ChartSubtitle subTitle = new ChartSubtitle();
subTitle.setText(null);
chart.setTitle(chartTitle, subTitle);
chart.setPlotBackgroundColor("none");
chart.setPlotBorderWidth(0);
chart.setPlotShadow(false);
chart.setSizeToMatchContainer();
chart.setTitle("Progress");
chart.setWidth("300px");
chart.setHeight("300px");
final Series localSeries = chart.createSeries();
localSeries.setPlotOptions(
new PiePlotOptions()
.setSize(100)
.setInnerSize(.0)
.setDataLabels(new DataLabels().setEnabled(true)));
final Series globalSeries = chart.createSeries();
globalSeries.setPlotOptions(
new PiePlotOptions()
.setSize(.45)
.setInnerSize(.20)
.setDataLabels(new DataLabels().setEnabled(true)));
chart.addSeries(localSeries, true, true);
chart.addSeries(globalSeries, false, true);
final Point localPoint = new Point("initial file", 0);
localPoint.setColor("#2d4b6d");
final Uploader uploader = new Uploader();
uploader
.setUploadURL("/FileServletUpload")
.setButtonWidth(133)
.setButtonHeight(22)
.setFileSizeLimit("50 MB")
.setAjaxUploadEnabled(true)
.setButtonCursor(Uploader.Cursor.HAND)
.setButtonAction(Uploader.ButtonAction.SELECT_FILES)
.setFileQueuedHandler(
new FileQueuedHandler() {
public boolean onFileQueued(final FileQueuedEvent fileQueuedEvent) {
File file = fileQueuedEvent.getFile();
// Create a Progress Bar for this file
final ProgressBar progressBar =
new ProgressBar(0.0, 1.0, 0.0, new CancelProgressBarTextFormatter());
progressBar.setTextVisible(true);
progressBar.setTitle(file.getName());
progressBar.setHeight("20px");
progressBar.setWidth("200px");
progressBars.put(file.getId(), progressBar);
// Add Cancel Button Image
final Image cancelButton = new Image(resources.cancelButton());
cancelButton.setStyleName("cancelButton");
cancelButton.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
File file = fileQueuedEvent.getFile();
uploader.cancelUpload(file.getId(), false);
progressBars.get(file.getId()).setProgress(-1.0d);
cancelButton.removeFromParent();
}
});
cancelButtons.put(file.getId(), cancelButton);
final Image image = new Image(ResourceUtils.getResource(file.getType()));
image.setWidth("32px");
image.setHeight("32px");
extensionsImages.put(file.getId(), image);
localPoint.update(new Point(file.getType(), file.getTimeRemaining()));
pointsByFile.put(file.getId(), localPoint);
localSeries.addPoint(localPoint);
// Add the Bar and Button to the interface
HorizontalPanel progressBarAndButtonPanel = new HorizontalPanel();
progressBarAndButtonPanel.add(progressBar);
progressBarAndButtonPanel.add(cancelButton);
progressBarAndButtonPanel.add(image);
progressBarPanel.add(progressBarAndButtonPanel);
return true;
}
})
.setUploadProgressHandler(
new UploadProgressHandler() {
public boolean onUploadProgress(UploadProgressEvent uploadProgressEvent) {
File file = uploadProgressEvent.getFile();
String fileName = file.getName();
ProgressBar progressBar = progressBars.get(file.getId());
double value =
(double) uploadProgressEvent.getBytesComplete()
/ uploadProgressEvent.getBytesTotal();
progressBar.setProgress(value);
Point point = pointsByFile.get(file.getId());
point.update(new Point(fileName, file.getPercentUploaded()));
globalSeries.addPoint(new Point(fileName, file.getPercentUploaded()));
return true;
}
})
.setUploadCompleteHandler(
new UploadCompleteHandler() {
public boolean onUploadComplete(UploadCompleteEvent uploadCompleteEvent) {
File file = uploadCompleteEvent.getFile();
cancelButtons.get(file.getId()).removeFromParent();
Point point = pointsByFile.get(file.getId());
point.update(new Point(file.getName(), file.getPercentUploaded()));
localSeries.removePoint(point);
uploader.startUpload();
return true;
}
})
.setFileDialogStartHandler(
new FileDialogStartHandler() {
public boolean onFileDialogStartEvent(FileDialogStartEvent fileDialogStartEvent) {
if (uploader.getStats().getUploadsInProgress() <= 0) {
// Clear the uploads that have completed, if none
// are in process
progressBarPanel.clear();
progressBars.clear();
cancelButtons.clear();
pointsByFile.clear();
extensionsImages.clear();
}
return true;
}
})
.setFileDialogCompleteHandler(
new FileDialogCompleteHandler() {
public boolean onFileDialogComplete(FileDialogCompleteEvent fileDialogCompleteEvent) {
if (fileDialogCompleteEvent.getTotalFilesInQueue() > 0) {
if (uploader.getStats().getUploadsInProgress() <= 0) {
uploader.startUpload();
}
}
return true;
}
})
.setFileQueueErrorHandler(
new FileQueueErrorHandler() {
public boolean onFileQueueError(FileQueueErrorEvent fileQueueErrorEvent) {
Window.alert(
"Upload of file "
+ fileQueueErrorEvent.getFile().getName()
+ " failed due to ["
+ fileQueueErrorEvent.getErrorCode().toString()
+ "]: "
+ fileQueueErrorEvent.getMessage());
return true;
}
})
.setUploadErrorHandler(
new UploadErrorHandler() {
public boolean onUploadError(UploadErrorEvent uploadErrorEvent) {
cancelButtons.get(uploadErrorEvent.getFile().getId()).removeFromParent();
Window.alert(
"Upload of file "
+ uploadErrorEvent.getFile().getName()
+ " failed due to ["
+ uploadErrorEvent.getErrorCode().toString()
+ "]: "
+ uploadErrorEvent.getMessage());
return true;
}
});
VerticalPanel verticalPanel = new VerticalPanel();
verticalPanel.add(uploader);
if (Uploader.isAjaxUploadWithProgressEventsSupported()) {
final Label dropFilesLabel = new Label("Drop Files Here");
dropFilesLabel.setStyleName("dropFilesLabel");
dropFilesLabel.addDragOverHandler(
new DragOverHandler() {
public void onDragOver(DragOverEvent event) {
if (!uploader.getButtonDisabled()) {
dropFilesLabel.addStyleName("dropFilesLabelHover");
}
}
});
dropFilesLabel.addDragLeaveHandler(
new DragLeaveHandler() {
public void onDragLeave(DragLeaveEvent event) {
dropFilesLabel.removeStyleName("dropFilesLabelHover");
}
});
dropFilesLabel.addDropHandler(
new DropHandler() {
public void onDrop(DropEvent event) {
dropFilesLabel.removeStyleName("dropFilesLabelHover");
if (uploader.getStats().getUploadsInProgress() <= 0) {
progressBarPanel.clear();
progressBars.clear();
cancelButtons.clear();
}
uploader.addFilesToQueue(Uploader.getDroppedFiles(event.getNativeEvent()));
event.preventDefault();
}
});
verticalPanel.add(dropFilesLabel);
}
// noinspection GwtToHtmlReferences
RootPanel.get("uploaderContainer").add(verticalPanel);
RootPanel.get("progressContainer").add(progressBarPanel);
RootPanel.get("chartContainer").add(chart);
}