/**
* TODO summary sentence for createControl ...
*
* @param parent
* @param klisten
* @return Generated composite
*/
public Composite createControl(Composite parent, KeyListener klisten) {
this.part =
AbstractSimpleConfigurator.subpart(parent, Messages.SimpleStyleConfigurator_label_label);
this.klisten = klisten;
this.on = new Button(part, SWT.CHECK);
this.field = new Combo(part, SWT.DROP_DOWN | SWT.READ_ONLY);
this.field.addKeyListener(klisten);
if (this.schema != null) {
List<AttributeDescriptor> types = this.schema.getAttributeDescriptors();
List<String> typeStrings = new ArrayList<String>();
for (AttributeDescriptor attributeDescriptor : types) {
typeStrings.add(attributeDescriptor.getLocalName());
}
this.field.setItems(typeStrings.toArray(new String[0]));
}
this.field.setToolTipText(Messages.LabelViewer_field_tooltip);
this.fonter = new FontEditor(part);
// determine which placement to use
if (schema != null) {
if (SLD.isLine(schema)) {
pointPlacement = false;
} else {
pointPlacement = true;
}
if (pointPlacement) {
// point placement (3 combos: AnchorPoint (Horiz, Vert) + Rotation)
initPlacementContentsPoint();
} else {
// line placement (1 combo: Perpendicular Offset)
initPlacementContentsLine();
}
}
listen(true);
return part;
}
/**
* Start editing the provided symbolizer.
*
* @param schema
* @param sym
* @param mode
*/
public void set(SimpleFeatureType schema, TextSymbolizer sym, Mode mode) {
listen(false);
try {
this.schema = schema;
this.enabled = (mode != Mode.NONE && sym != null);
this.font = SLDs.textFont(sym);
if (this.font == null || this.font.length == 0) {
this.font = new FontData[] {new FontData("Arial", 12, SWT.NORMAL)}; // $NON-NLS-1$
}
this.labelType = SLDs.textLabelString(sym);
this.colour = SLDs.textFontFill(sym);
if (this.colour == null) {
this.colour = Color.BLACK;
}
this.on.setEnabled(mode != Mode.NONE);
this.fonter.setColorValue(this.colour);
this.fonter.setFontList(this.font);
if (schema != null) {
AttributeDescriptor[] attrs =
schema.getAttributeDescriptors().toArray(new AttributeDescriptor[0]);
List<String> list = new ArrayList<String>();
for (int i = 0; i < attrs.length; i++) {
Class cls = attrs[i].getType().getBinding();
if (String.class.isAssignableFrom(cls)) {
list.add(attrs[i].getName().getLocalPart());
} else if (Number.class.isAssignableFrom(cls)) {
list.add(attrs[i].getName().getLocalPart());
}
}
this.field.removeAll();
this.field.setItems(list.toArray(new String[0]));
if (this.labelType == null) {
this.field.select(0);
} else {
this.field.setText(this.labelType);
}
}
this.on.setSelection(this.enabled);
this.field.setEnabled(this.enabled);
this.fonter.setEnabled(this.enabled);
if (schema != null && (SLD.isLine(schema) == pointPlacement || this.place == null)) {
pointPlacement = !SLD.isLine(schema);
if (pointPlacement) {
initPlacementContentsPoint();
} else {
initPlacementContentsLine();
}
}
this.place.setEnabled(this.enabled);
if (pointPlacement) {
// PointPlacement
this.place2.setEnabled(this.enabled);
this.place3.setEnabled(this.enabled);
if (this.labelPlacement == null || !(this.labelPlacement instanceof PointPlacement)) {
// defaults
if (mode == Mode.POINT) {
// don't cover the point!
this.place.select(2); // top
this.place2.select(2); // right
} else {
this.place.select(1); // middle
this.place2.select(1); // center
}
this.place3.select(0); // 0 degrees rotation
} else {
AnchorPoint anchor = ((PointPlacement) labelPlacement).getAnchorPoint();
String anchorX = anchor.getAnchorPointX().toString();
String anchorY = anchor.getAnchorPointY().toString();
// use labels if 0, 0.5, or 1, otherwise use value for align
if (anchorX.equals(Double.toString(SLDs.ALIGN_LEFT))) {
this.place2.select(0);
} else if (anchorX.equals(Double.toString(SLDs.ALIGN_CENTER))) {
this.place2.select(1);
} else if (anchorX.equals(Double.toString(SLDs.ALIGN_RIGHT))) {
this.place2.select(2);
} else {
this.place2.setText(anchorX);
}
if (anchorY.equals(Double.toString(SLDs.ALIGN_BOTTOM))) {
this.place.select(0);
} else if (anchorY.equals(Double.toString(SLDs.ALIGN_MIDDLE))) {
this.place.select(1);
} else if (anchorY.equals(Double.toString(SLDs.ALIGN_TOP))) {
this.place.select(2);
} else {
this.place.setText(anchorY);
}
// rotation
this.place3.setText(((PointPlacement) labelPlacement).getRotation().toString());
}
} else {
// LinePlacement
if (this.labelPlacement == null || !(this.labelPlacement instanceof LinePlacement)) {
// defaults
this.place.setText(
ProjectPlugin.getPlugin()
.getPreferenceStore()
.getString(PreferenceConstants.P_STYLE_DEFAULT_PERPENDICULAR_OFFSET));
} else {
String offset = ((LinePlacement) labelPlacement).getPerpendicularOffset().toString();
this.place.setText(offset);
}
}
} finally {
listen(true);
}
}
/**
* Constructs a TextSymbolizer from the inputs
*
* @param build
* @return TextSymbolizer defined by this model
*/
public TextSymbolizer get(StyleBuilder build) {
if (!this.enabled) {
return null;
}
if (this.font == null || this.font.length == 0) {
return null;
}
if (this.labelType == null || "".equals(this.labelType)) { // $NON-NLS-1$
return null;
}
String fontName = this.font[0].getName();
boolean fontBold = (this.font[0].getStyle() == SWT.BOLD);
boolean fontItalic = (this.font[0].getStyle() == SWT.ITALIC);
double fontSize = this.font[0].getHeight();
Font gtFont = build.createFont(fontName, fontItalic, fontBold, fontSize);
Fill fill = build.createFill(this.colour);
LabelPlacement placement;
if (pointPlacement) {
// PointPlacement
double horiz;
if (this.place.getSelectionIndex() < 3) {
switch (this.place.getSelectionIndex()) {
case 0:
horiz = SLDs.ALIGN_LEFT;
break;
case 1:
horiz = SLDs.ALIGN_CENTER;
break;
case 2:
horiz = SLDs.ALIGN_RIGHT;
break;
default:
horiz = SLDs.ALIGN_CENTER;
break;
}
} else { // custom value
horiz = Double.parseDouble(this.place.getText());
}
double vert;
if (this.place2.getSelectionIndex() < 3) {
switch (this.place2.getSelectionIndex()) {
case 0:
vert = SLDs.ALIGN_BOTTOM;
break;
case 1:
vert = SLDs.ALIGN_MIDDLE;
break;
case 2:
vert = SLDs.ALIGN_TOP;
break;
default:
vert = SLDs.ALIGN_MIDDLE;
break;
}
} else { // custom value
vert = Double.parseDouble(this.place2.getText());
}
double rotation = Double.parseDouble(this.place3.getText());
placement = build.createPointPlacement(vert, horiz, rotation);
} else {
// LinePlacement
double offset = Double.parseDouble(this.place.getText());
placement = build.createLinePlacement(offset);
}
this.labelPlacement = placement;
Expression exp =
(Expression)
CommonFactoryFinder.getFilterFactory(GeoTools.getDefaultHints())
.property(this.labelType);
TextSymbolizer text =
build.createTextSymbolizer(fill, new Font[] {gtFont}, null, exp, placement, null);
if (SLD.isLine(this.schema)) {
text.addToOptions("group", "yes"); // $NON-NLS-1$ //$NON-NLS-2$
}
text.addToOptions("spaceAround", "2"); // $NON-NLS-1$ //$NON-NLS-2$
return text;
}
