public void pan(boolean enabled) {
if (enabled) {
_plot.setMouseActions(
PlotMouseActionList.getDefaultPanActions().getActions(), SWT.CURSOR_HAND);
} else {
_plot.setMouseActions(new IPlotMouseAction[0], SWT.CURSOR_ARROW);
}
}
public void zoomWindow(boolean enabled) {
if (enabled) {
_plot.setMouseActions(
PlotMouseActionList.getDefaultZoomWindowActions().getActions(), SWT.CURSOR_CROSS);
} else {
_plot.setMouseActions(new IPlotMouseAction[0], SWT.CURSOR_ARROW);
}
}
@Override
protected ReadoutInfo getViewReadoutInfo(double x, double y) {
IModelSpace modelSpace = _plot.getActiveModelSpace();
String xLabel = modelSpace.getAxisX().getLabel().getText();
String yLabel = modelSpace.getAxisY().getLabel().getText();
String[] keys = {xLabel, yLabel};
String[] values = {"" + x, "" + y};
return new ReadoutInfo("Mouse Location", keys, values);
}
@Override
protected void initializeCanvas(final Composite canvasComposite) {
// Create the plot structure.
_plot = new Plot(canvasComposite, initializeModelSpace(), PlotScrolling.NONE);
// Initialize the canvas layout model (label margins, etc).
CanvasLayoutModel layoutModel = _plot.getCanvasLayoutModel();
layoutModel.setTopLabelHeight(0);
layoutModel.setTopAxisHeight(0);
layoutModel.setRightLabelWidth(0);
layoutModel.setRightAxisWidth(0);
_plot.updateCanvasLayout(layoutModel);
NumberFormat cursorFormatter = NumberFormat.getNumberInstance();
cursorFormatter.setGroupingUsed(false);
_plot.setCursorFormatterX(cursorFormatter);
_plot.setCursorFormatterY(cursorFormatter);
_plot.setHorizontalAxisGridLineDensity(10);
_plot.setVerticalAxisGridLineDensity(10);
_plot.setHorizontalAxisAnnotationDensity(10);
_plot.setVerticalAxisAnnotationDensity(10);
}
public WaveletViewer(final Composite parent, final String title) {
super(parent, true, true, false, false);
_model = new WaveletViewerModel(_plot.getActiveModelSpace());
_plot.setTitle(title);
}
@Override
protected void checkAspectRatio() {
_plot.getModelSpaceCanvas().checkAspectRatio();
}
@Override
protected void updateAll() {
_plot.updateAll();
}
@Override
protected void initializeViewerSpecificFeatures() {
IModelSpaceCanvas canvas = _plot.getModelSpaceCanvas();
canvas.removeCursorListener(_plot);
canvas.addCursorListener(this);
canvas
.getComposite()
.addKeyListener(
new KeyAdapter() {
@Override
public void keyPressed(final KeyEvent e) {
IModelSpace activeModelSpace = _plot.getActiveModelSpace();
if (e.keyCode == SWT.ARROW_UP) {
if (activeModelSpace.getAxisY().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double yStart = bounds.getStartY();
double yEnd = bounds.getEndY();
double dist = yEnd - yStart;
double shift = dist / 4;
double sign = -1;
AxisDirection direction = activeModelSpace.getAxisY().getDirection();
if (direction.equals(AxisDirection.BOTTOM_TO_TOP)) {
sign = 1;
}
yStart += shift * sign;
yEnd += shift * sign;
activeModelSpace.setViewableBounds(
bounds.getStartX(), bounds.getEndX(), yStart, yEnd);
} else if (e.keyCode == SWT.ARROW_DOWN) {
if (activeModelSpace.getAxisY().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double yStart = bounds.getStartY();
double yEnd = bounds.getEndY();
double dist = yEnd - yStart;
double shift = dist / 4;
double sign = 1;
AxisDirection direction = activeModelSpace.getAxisY().getDirection();
if (direction.equals(AxisDirection.BOTTOM_TO_TOP)) {
sign = -1;
}
yStart += shift * sign;
yEnd += shift * sign;
activeModelSpace.setViewableBounds(
bounds.getStartX(), bounds.getEndX(), yStart, yEnd);
} else if (e.keyCode == SWT.ARROW_LEFT) {
if (activeModelSpace.getAxisX().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double xStart = bounds.getStartX();
double xEnd = bounds.getEndX();
double dist = xEnd - xStart;
double shift = dist / 4;
double sign = 1;
AxisDirection direction = activeModelSpace.getAxisX().getDirection();
if (direction.equals(AxisDirection.LEFT_TO_RIGHT)) {
sign = -1;
}
xStart += shift * sign;
xEnd += shift * sign;
activeModelSpace.setViewableBounds(
xStart, xEnd, bounds.getStartY(), bounds.getEndY());
} else if (e.keyCode == SWT.ARROW_RIGHT) {
if (activeModelSpace.getAxisX().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double xStart = bounds.getStartX();
double xEnd = bounds.getEndX();
double dist = xEnd - xStart;
double shift = dist / 4;
double sign = -1;
AxisDirection direction = activeModelSpace.getAxisX().getDirection();
if (direction.equals(AxisDirection.LEFT_TO_RIGHT)) {
sign = 1;
}
xStart += shift * sign;
xEnd += shift * sign;
activeModelSpace.setViewableBounds(
xStart, xEnd, bounds.getStartY(), bounds.getEndY());
} else if (e.character == ' ') {
TreeSelection selection = (TreeSelection) _layerViewer.getSelection();
Iterator iterator = selection.iterator();
while (iterator.hasNext()) {
Object object = iterator.next();
if (object instanceof IViewLayer) {
IViewLayer layer = (IViewLayer) object;
boolean visible = !layer.isVisible();
layer.setVisible(visible);
_layerViewer.setChecked(layer, visible);
_plot.updateAll();
}
}
}
}
});
}
public void setCursorStyle(int cursorStyle) {
_plot.getModelSpaceCanvas().setCursorStyle(cursorStyle);
}
public void setBackgroundViewColor(RGB color) {
_plot.setBackgroundPlotColor(color);
}
public RGB getBackgroundViewColor() {
return _plot.getBackgroundPlotColor();
}
public void home() {
_plot.unzoom();
}
public void zoomOut() {
_plot.zoom(1 / _plot.getZoomFactor());
}
public void zoomIn() {
_plot.zoom(_plot.getZoomFactor());
}
public void updateFromModel() {
_plot.getModelSpaceCanvas().checkAspectRatio();
_plot.getModelSpaceCanvas().update(UpdateLevel.RESIZE);
this.redraw();
}