public void preApply() {
// collect new info for the active region
double n = Double.parseDouble(northText.getText());
double s = Double.parseDouble(southText.getText());
double w = Double.parseDouble(westText.getText());
double e = Double.parseDouble(eastText.getText());
double xr = Double.parseDouble(xresText.getText());
double yr = Double.parseDouble(yresText.getText());
// write the region to file
JGrassRegion newRegion = new JGrassRegion(w, e, s, n, xr, yr);
try {
File mapsetFile = new File(style.windPath).getParentFile();
File locationFile = mapsetFile.getParentFile();
JGrassRegion.writeWINDToMapset(mapsetFile.getAbsolutePath(), newRegion);
CoordinateReferenceSystem locationCrs =
JGrassCatalogUtilities.getLocationCrs(locationFile.getAbsolutePath());
style.fAlpha = Float.parseFloat(forgroundAlphaText.getText());
style.bAlpha = Float.parseFloat(backgroundAlphaText.getText());
RGB bg = backgroundColour.getColorValue();
style.backgroundColor = new Color(bg.red, bg.green, bg.blue);
bg = foregroundColor.getColorValue();
style.foregroundColor = new Color(bg.red, bg.green, bg.blue);
style.doGrid = gridButton.getSelection();
commitToBlackboards(newRegion, locationCrs, style.windPath);
super.preApply();
} catch (IOException e1) {
e1.printStackTrace();
}
}
/** put all the needed things in the blackboards */
private void commitToBlackboards(
JGrassRegion jgR, CoordinateReferenceSystem crs, String windPath) {
blackboard = getLayer().getMap().getBlackboard();
style.north = (float) jgR.getNorth();
style.south = (float) jgR.getSouth();
style.east = (float) jgR.getEast();
style.west = (float) jgR.getWest();
style.rows = jgR.getRows();
style.cols = jgR.getCols();
style.windPath = windPath;
try {
try {
Integer epsg = CRS.lookupEpsgCode(crs, true);
style.crsString = "EPSG:" + epsg;
} catch (Exception e) {
// try non epsg
style.crsString = CRS.lookupIdentifier(crs, true);
}
} catch (FactoryException e) {
e.printStackTrace();
}
blackboard.put(ActiveregionStyleContent.ID, style);
getLayer().setStatus(ILayer.DONE);
}
private void updateBlackboard() {
ActiveRegionStyle style = getActiveRegionStyle();
RGB bg = backgroundColour.getColorValue();
try {
int bAlpha = Integer.parseInt(backgroundAlphaText.getText());
style.backgroundColor = new Color(bg.red, bg.green, bg.blue, bAlpha);
} catch (Exception e) {
style.backgroundColor = new Color(bg.red, bg.green, bg.blue);
}
bg = foregroundColor.getColorValue();
try {
int bAlpha = Integer.parseInt(forgroundAlphaText.getText());
style.foregroundColor = new Color(bg.red, bg.green, bg.blue, bAlpha);
} catch (Exception e) {
style.foregroundColor = new Color(bg.red, bg.green, bg.blue);
}
dumpActiveRegionStyle(style);
}
@Override
protected void refresh() {
try {
IBlackboard blackboard = getLayer().getMap().getBlackboard();
style = (ActiveRegionStyle) blackboard.get(ActiveregionStyleContent.ID);
if (style == null) {
style = ActiveregionStyleContent.createDefault();
blackboard.put(ActiveregionStyleContent.ID, style);
// ((StyleBlackboard) styleBlackboard).setSelected(new
// String[]{ActiveregionStyleContent.ID});
}
// first time choose the mapset
if (style.windPath == null) {
CatalogJGrassMapsetTreeViewerDialog mapsetDialog =
new CatalogJGrassMapsetTreeViewerDialog();
mapsetDialog.open(parent.getShell());
jGrassMapsetGeoResource = mapsetDialog.getSelectedLayers().get(0);
JGrassRegion activeRegionWindow = jGrassMapsetGeoResource.getActiveRegionWindow();
style.windPath = jGrassMapsetGeoResource.getActiveRegionWindowPath();
style.north = (float) activeRegionWindow.getNorth();
style.south = (float) activeRegionWindow.getSouth();
style.west = (float) activeRegionWindow.getWest();
style.east = (float) activeRegionWindow.getEast();
style.rows = activeRegionWindow.getRows();
style.cols = activeRegionWindow.getCols();
CoordinateReferenceSystem jGrassCrs = jGrassMapsetGeoResource.getLocationCrs();
try {
Integer epsg = CRS.lookupEpsgCode(jGrassCrs, true);
style.crsString = "EPSG:" + epsg;
} catch (Exception e) {
// try non epsg
style.crsString = CRS.lookupIdentifier(jGrassCrs, true);
}
}
windPathText.setText(style.windPath);
JGrassRegion tmp =
new JGrassRegion(
style.west, style.east, style.south, style.north, style.rows, style.cols);
// set initial values
isWorking = true;
northText.setText(String.valueOf(style.north));
southText.setText(String.valueOf(style.south));
westText.setText(String.valueOf(style.west));
eastText.setText(String.valueOf(style.east));
xresText.setText(String.valueOf(tmp.getWEResolution()));
yresText.setText(String.valueOf(tmp.getNSResolution()));
colsText.setText(String.valueOf(style.cols));
rowsText.setText(String.valueOf(style.rows));
isWorking = false;
forgroundAlphaText.setText(Float.toString(style.fAlpha));
backgroundAlphaText.setText(Float.toString(style.bAlpha));
foregroundColor.setColorValue(
new RGB(
style.foregroundColor.getRed(),
style.foregroundColor.getGreen(),
style.foregroundColor.getBlue()));
backgroundColour.setColorValue(
new RGB(
style.backgroundColor.getRed(),
style.backgroundColor.getGreen(),
style.backgroundColor.getBlue()));
CoordinateReferenceSystem crs = CRS.decode(style.crsString);
commitToBlackboards(tmp, crs, style.windPath);
} catch (Exception e) {
e.printStackTrace();
}
}