svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / styling / labeling / AttrInTableLabelingStrategy.java @ 29957
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package com.iver.cit.gvsig.fmap.rendering.styling.labeling; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.util.Vector; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import javax.print.attribute.PrintRequestAttributeSet; |
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import javax.print.attribute.standard.PrintQuality; |
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import org.cresques.cts.ICoordTrans; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.values.NullValue; |
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import com.hardcode.gdbms.engine.values.NumericValue; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException; |
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import com.iver.cit.gvsig.exceptions.visitors.VisitorException; |
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import com.iver.cit.gvsig.fmap.MapContext; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.CartographicSupport; |
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import com.iver.cit.gvsig.fmap.core.CartographicSupportToolkit; |
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import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleTextSymbol; |
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import com.iver.cit.gvsig.fmap.core.v02.FConstant; |
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import com.iver.cit.gvsig.fmap.core.v02.FLabel; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.ReadableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.utiles.StringUtilities; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.swing.threads.Cancellable; |
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/**
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* LabelingStrategy used when the user wants to use label sizes, rotations, etc. from
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* the values included in fields of the datasource's table
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*
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*/
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public class AttrInTableLabelingStrategy implements ILabelingStrategy, CartographicSupport { |
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public static final double MIN_TEXT_SIZE = 3; |
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private ILabelingMethod method = new DefaultLabelingMethod(); |
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private IZoomConstraints zoom;
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private int idTextField=-1; |
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private int idHeightField=-1; |
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private int idRotationField=-1; |
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private int idColorField=-1; |
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private FLyrVect layer;
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// private double unitFactor = 1D;
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private double fixedSize=10; |
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private Color fixedColor; |
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private int unit = -1; //(pixel) |
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private boolean useFixedSize; |
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private boolean useFixedColor; |
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private int referenceSystem; |
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private double printDPI; |
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private Font font; |
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private Color colorFont; |
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private String textFieldName; |
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private String rotationFieldName; |
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private String heightFieldName; |
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private String colorFieldName; |
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private PrintRequestAttributeSet properties; |
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public ILabelingMethod getLabelingMethod() {
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return this.method; |
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} |
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public void setLabelingMethod(ILabelingMethod method) { |
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this.method = method;
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} |
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public IPlacementConstraints getPlacementConstraints() {
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return null; // (automatically handled by the driver) |
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} |
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public void setPlacementConstraints(IPlacementConstraints constraints) { |
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// nothing
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} |
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public IZoomConstraints getZoomConstraints() {
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return zoom;
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} |
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public void setZoomConstraints(IZoomConstraints constraints) { |
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this.zoom = constraints;
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} |
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double dpi) |
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throws ReadDriverException {
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double scale = viewPort.getScale();
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// double fontScaleFactor = FConstant.FONT_HEIGHT_SCALE_FACTOR;
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SimpleTextSymbol sym = new SimpleTextSymbol();
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sym.setFont(getFont()); |
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sym.setUnit(unit); |
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sym.setReferenceSystem(referenceSystem); |
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if (zoom==null || |
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( zoom.isUserDefined() && (scale <= zoom.getMaxScale()) |
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&& (scale >= zoom.getMinScale()) ) ) {
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try {
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// limit the labeling to the visible extent
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FBitSet bs = layer.queryByRect(viewPort.getAdjustedExtent()); |
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ReadableVectorial source = layer.getSource(); |
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SelectableDataSource recordSet = layer.getRecordset(); |
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for(int i=bs.nextSetBit(0); i>=0 && !cancel.isCanceled(); i=bs.nextSetBit(i+1)) { |
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Value[] vv = recordSet.getRow(i);
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double size;
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Color color = null; |
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if (useFixedSize){
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// uses fixed size
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size = fixedSize;// * fontScaleFactor;
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} else if (idHeightField != -1) { |
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// text size is defined in the table
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try {
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size = ((NumericValue) vv[idHeightField]).doubleValue();// * fontScaleFactor;
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} catch (ClassCastException ccEx) { |
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if (!NullValue.class.equals(vv[idHeightField].getClass())) {
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throw new ReadDriverException("Unknown", ccEx); |
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} |
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// a null value
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Logger.getAnonymousLogger().
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warning("Null text height value for text '"+vv[idTextField].toString()+"'"); |
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continue;
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} |
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} else {
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// otherwise will use the size in the symbol
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size = sym.getFont().getSize(); |
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} |
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size = CartographicSupportToolkit. |
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getCartographicLength(this,
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size, |
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viewPort, |
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MapContext.getScreenDPI()); |
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// dpi);
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// toScreenUnitYAxis(this,
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// size,
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// viewPort
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// );
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if (size <= MIN_TEXT_SIZE) {
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// label is too small to be readable, will be skipped
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// this speeds up the rendering in wider zooms
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continue;
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} |
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sym.setFontSize(size); |
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if (useFixedColor){
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color = fixedColor; |
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} else if (idColorField != -1) { |
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// text size is defined in the table
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try {
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color = new Color(((NumericValue) vv[idColorField]).intValue()); |
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} catch (ClassCastException ccEx) { |
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if (!NullValue.class.equals(vv[idColorField].getClass())) {
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throw new ReadDriverException("Unknown", ccEx); |
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} |
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// a null value
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Logger.getAnonymousLogger().
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warning("Null color value for text '"+vv[idTextField].toString()+"'"); |
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continue;
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} |
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} else {
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color = sym.getTextColor(); |
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} |
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sym.setTextColor(color); |
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double rotation = 0D; |
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if (idRotationField!= -1) { |
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// text rotation is defined in the table
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rotation = -Math.toRadians(((NumericValue) vv[idRotationField]).doubleValue());
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} |
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IGeometry geom = source.getShape(i); |
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if (layer.getCoordTrans()!=null){ |
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geom.reProject(layer.getCoordTrans()); |
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} |
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sym.setText(vv[idTextField].toString()); |
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sym.setRotation(rotation); |
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FLabel[] aux = geom.createLabels(0, true); |
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for (int j = 0; j < aux.length; j++) { |
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FPoint2D p = new FPoint2D(aux[j].getOrig());
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p.transform(viewPort.getAffineTransform()); |
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if (properties==null) |
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sym.draw(g, null, p, cancel);
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else
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sym.print(g, null, p, properties);
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} |
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} |
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} catch (VisitorException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Could not get the layer extent.\n" + |
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e.getMessage()); |
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} catch (ExpansionFileReadException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Could not draw annotation in the layer" + |
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"\""+layer.getName()+"\".\nIs the layer being edited?.\n"+e.getMessage()); |
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} catch (ReadDriverException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Could not draw annotation in the layer.\n" + |
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e.getMessage()); |
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} |
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} |
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} |
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public String getClassName() { |
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return getClass().getName();
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} |
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public XMLEntity getXMLEntity() {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className", getClassName());
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xml.putProperty("labelingStrategy", "labelingStrategy"); |
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try {
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if(getHeightField() != null) |
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xml.putProperty("HeightField", getHeightField());
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} catch (ReadDriverException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing TextHeight field.\n"+e.getMessage()); |
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} |
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try {
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if(getColorField() != null) |
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xml.putProperty("ColorField", getColorField());
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} catch (ReadDriverException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing ColorField field.\n"+e.getMessage()); |
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} |
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try {
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if(getTextField() != null) |
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xml.putProperty("TextField", getTextField());
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} catch (ReadDriverException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing TextField field.\n"+e.getMessage()); |
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} |
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try {
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if (getRotationField() != null) |
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xml.putProperty("RotationField", getRotationField());
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} catch (ReadDriverException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing RotationField field.\n"+e.getMessage()); |
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} |
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if(getFont() != null){ |
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xml.putProperty("fontSize", getFont().getSize());
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xml.putProperty("fontName", getFont().getName());
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xml.putProperty("fontStyle", getFont().getStyle());
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} |
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if(getColorFont() != null) |
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xml.putProperty("Color", StringUtilities.color2String(getColorFont()));
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xml.putProperty("useFixedSize", useFixedSize);
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xml.putProperty("useFixedColor", useFixedColor);
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xml.putProperty("fixedColor", StringUtilities.color2String(fixedColor));
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xml.putProperty("fixedSize", fixedSize);
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xml.putProperty("Unit", unit);
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xml.putProperty("referenceSystem",referenceSystem);
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return xml;
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} |
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public String getRotationField() throws ReadDriverException { |
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if (idRotationField == -1) return null; |
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return ((SelectableDataSource) layer.getRecordset())
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.getFieldName(idRotationField); |
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} |
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public int getRotationFieldId() { |
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return idRotationField;
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} |
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public void setRotationFieldId(int fieldId) { |
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this.idRotationField = fieldId;
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} |
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public String getTextField() throws ReadDriverException { |
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if (idTextField == -1) return null; |
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return ((SelectableDataSource) layer.getRecordset())
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.getFieldName(idTextField); |
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} |
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public int getTextFieldId() { |
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return idTextField;
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} |
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public void setTextFieldId(int fieldId) { |
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this.idTextField = fieldId;
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} |
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public String getHeightField() throws ReadDriverException { |
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if (idHeightField == -1) return null; |
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return ((SelectableDataSource) layer.getRecordset())
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.getFieldName(idHeightField); |
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} |
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public int getHeightFieldId() { |
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return idHeightField;
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} |
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public void setHeightFieldId(int fieldId) { |
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this.idHeightField = fieldId;
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} |
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public String getColorField() throws ReadDriverException { |
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if (idColorField == -1) return null; |
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return ((SelectableDataSource) layer.getRecordset())
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.getFieldName(idColorField); |
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} |
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public int getColorFieldId() { |
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return idColorField;
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} |
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public void setColorFieldId(int fieldId) { |
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this.idColorField = fieldId;
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} |
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public void setXMLEntity(XMLEntity xml) { |
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if (xml.contains("TextField" )) |
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setTextField(xml.getStringProperty("TextField"));
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if (xml.contains("HeightField")) |
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setHeightField(xml.getStringProperty("HeightField"));
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if (xml.contains("ColorField")) |
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setColorField(xml.getStringProperty("ColorField"));
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if (xml.contains("RotationField")) |
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setRotationField(xml.getStringProperty("RotationField"));
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if (xml.contains("Unit")) |
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setUnit(xml.getIntProperty("Unit"));
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if (xml.contains("fontName")){ |
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Font font=new Font(xml.getStringProperty("fontName"),xml.getIntProperty("fontStyle"),xml.getIntProperty("fontSize")); |
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setFont(font); |
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} |
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if (xml.contains("useFixedSize")){ |
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useFixedSize=xml.getBooleanProperty("useFixedSize");
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fixedSize=xml.getDoubleProperty("fixedSize");
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} |
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if (xml.contains("useFixedColor")){ |
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useFixedColor=xml.getBooleanProperty("useFixedColor");
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fixedColor=StringUtilities.string2Color(xml.getStringProperty("fixedColor"));
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} |
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if (xml.contains("referenceSystem")) |
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referenceSystem=xml.getIntProperty("referenceSystem");
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} |
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public void setTextField(String textFieldName) { |
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this.textFieldName=textFieldName;
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} |
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public void setRotationField(String rotationFieldName) { |
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if (rotationFieldName != null) { |
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this.rotationFieldName=rotationFieldName;
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} else idRotationField = -1; |
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} |
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/**
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* Sets the field that contains the size of the text. The size is computed
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* in meters. To use any other unit, call setUnit(int) with the scale factor from meters
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* (for centimeters, call <b>setUnitFactor(0.01))</b>.
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* @param heightFieldName
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*/
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public void setHeightField(String heightFieldName) { |
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if (heightFieldName != null) { |
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this.heightFieldName=heightFieldName;
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} else idHeightField = -1; |
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} |
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public void setColorField(String colorFieldName) { |
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if (colorFieldName != null) { |
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this.colorFieldName=colorFieldName;
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} else idColorField = -1; |
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} |
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, PrintRequestAttributeSet properties) throws ReadDriverException { |
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this.properties=properties;
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draw(null, g, viewPort, cancel, printDPI);
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this.properties=null; |
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} |
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public void setUsesFixedSize(boolean b) { |
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useFixedSize = b; |
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} |
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public boolean usesFixedSize() { |
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return useFixedSize;
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} |
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public double getFixedSize() { |
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return fixedSize;
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} |
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public void setFixedSize(double fixedSize) { |
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this.fixedSize = fixedSize;
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} |
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public void setUsesFixedColor(boolean b) { |
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useFixedColor = b; |
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} |
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public boolean usesFixedColor() { |
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return useFixedColor;
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} |
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public Color getFixedColor() { |
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return fixedColor;
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} |
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public void setFixedColor(Color fixedColor) { |
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this.fixedColor = fixedColor;
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} |
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public void setUnit(int unitIndex) { |
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unit = unitIndex; |
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} |
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public int getUnit() { |
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return unit;
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} |
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public String[] getUsedFields() { |
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Vector v = new Vector(); |
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try {
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if (getHeightField()!=null) v.add(getHeightField()); |
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if (getRotationField()!=null) v.add(getRotationField()); |
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if (getTextField()!=null) v.add(getTextField()); |
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if (getHeightField()!=null) v.add(getHeightField()); |
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} catch (ReadDriverException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} |
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return (String[]) v.toArray(new String[v.size()]); |
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} |
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public int getReferenceSystem() { |
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return referenceSystem;
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} |
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public void setReferenceSystem(int referenceSystem) { |
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this.referenceSystem = referenceSystem;
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} |
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public double toCartographicSize(ViewPort viewPort, double dpi, FShape shp) { |
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// not required here
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throw new Error("Undefined in this context"); |
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} |
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public void setCartographicSize(double cartographicSize, FShape shp) { |
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// not required here
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throw new Error("Undefined in this context"); |
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} |
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public double getCartographicSize(ViewPort viewPort, double dpi, FShape shp) { |
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// not required here
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throw new Error("Undefined in this context"); |
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} |
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public void setLayer(FLayer layer) { |
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this.layer = (FLyrVect) layer;
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try{
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SelectableDataSource sds=this.layer.getRecordset();
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if (textFieldName!=null) |
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idTextField = sds.getFieldIndexByName(textFieldName); |
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if (rotationFieldName!=null) |
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idRotationField = sds.getFieldIndexByName(rotationFieldName); |
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if (heightFieldName!=null) |
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idHeightField = sds.getFieldIndexByName(heightFieldName); |
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if (colorFieldName!=null) |
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idColorField = sds.getFieldIndexByName(colorFieldName); |
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} catch (ReadDriverException e) {
|
| 498 |
Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
public boolean shouldDrawLabels(double scale) { |
| 503 |
return layer.isWithinScale(scale);
|
| 504 |
} |
| 505 |
|
| 506 |
public Color getColorFont() { |
| 507 |
return colorFont;
|
| 508 |
} |
| 509 |
|
| 510 |
public void setColorFont(Color colorFont) { |
| 511 |
this.colorFont = colorFont;
|
| 512 |
} |
| 513 |
|
| 514 |
public Font getFont() { |
| 515 |
if(font == null) |
| 516 |
font = SymbologyFactory.DefaultTextFont; |
| 517 |
return font;
|
| 518 |
} |
| 519 |
|
| 520 |
public void setFont(Font selFont) { |
| 521 |
this.font = selFont;
|
| 522 |
} |
| 523 |
} |