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/*
* Copyright (C) 2012 United States Government as represented by the Administrator of the
* National Aeronautics and Space Administration.
* All Rights Reserved.
*/
package gov.nasa.worldwindx.examples.shapebuilder;
import gov.nasa.worldwind.*;
import gov.nasa.worldwind.avlist.AVKey;
import gov.nasa.worldwind.geom.Position;
import gov.nasa.worldwind.layers.AbstractLayer;
import gov.nasa.worldwind.render.*;
import gov.nasa.worldwind.util.*;
import java.awt.*;
import java.awt.event.*;
/**
* An abstract class defining common functionality and fields for editors used in the RigidShapeBuilder example. These
* include field variables and getters and setters for the shape's annotations that are displayed during editing (and
* related labels), references to the current WorldWindow and mouse location, flags indicating whether the editor is
* currently armed and whether annotations should be shown, as well as fields indicating the current action being
* performed, the current editMode, and the current altitudeMode.
*
* In addition, the class contains several helper functions related to displaying annotations, which all editors should
* be able to do.
*
* @author ccrick
* @version $Id: AbstractShapeEditor.java 1171 2013-02-11 21:45:02Z dcollins $
*/
public abstract class AbstractShapeEditor extends AbstractLayer implements MouseListener, MouseMotionListener
{
/**
* Labels used in the annotations which are displayed during editing to show the current value of various shape
* parameters. Actual label values are retrieved from the World Wind message resource bundle.
*/
public static final String ANGLE_LABEL = "MeasureTool.AngleLabel";
public static final String AREA_LABEL = "MeasureTool.AreaLabel";
public static final String LENGTH_LABEL = "MeasureTool.LengthLabel";
public static final String PERIMETER_LABEL = "MeasureTool.PerimeterLabel";
public static final String RADIUS_LABEL = "MeasureTool.RadiusLabel";
public static final String HEIGHT_LABEL = "MeasureTool.HeightLabel";
public static final String WIDTH_LABEL = "MeasureTool.WidthLabel";
public static final String HEADING_LABEL = "MeasureTool.HeadingLabel";
public static final String TILT_LABEL = "MeasureTool.TiltLabel";
public static final String ROLL_LABEL = "MeasureTool.RollLabel";
public static final String EAST_SKEW_LABEL = "MeasureTool.EastSkewLabel";
public static final String NORTH_SKEW_LABEL = "MeasureTool.NorthSkewLabel";
public static final String CENTER_LATITUDE_LABEL = "MeasureTool.CenterLatitudeLabel";
public static final String CENTER_LONGITUDE_LABEL = "MeasureTool.CenterLongitudeLabel";
public static final String CENTER_ALTITUDE_LABEL = "MeasureTool.CenterAltitudeLabel";
public static final String LATITUDE_LABEL = "MeasureTool.LatitudeLabel";
public static final String LONGITUDE_LABEL = "MeasureTool.LongitudeLabel";
public static final String ALTITUDE_LABEL = "MeasureTool.AltitudeLabel";
public static final String ACCUMULATED_LABEL = "MeasureTool.AccumulatedLabel";
public static final String MAJOR_AXIS_LABEL = "MeasureTool.MajorAxisLabel";
public static final String MINOR_AXIS_LABEL = "MeasureTool.MinorAxisLabel";
protected WorldWindow wwd;
protected Point mousePoint;
protected ScreenAnnotation annotation; // an annotation for displaying current values of various shape parameters
protected AnnotationAttributes annotationAttributes; // attributes controlling the look-and-feel of the annotation
protected UnitsFormat unitsFormat; // class for uniformly formatting the units used in annotation values
protected boolean armed;
protected boolean showAnnotation = true;
protected boolean aboveGround = false;
protected long frameTimestamp = -1;
protected String activeAction;
protected String editMode;
protected int altitudeMode = WorldWind.ABSOLUTE;
public WorldWindow getWorldWindow()
{
return this.wwd;
}
public void setWorldWindow(WorldWindow wwd)
{
if (this.wwd == wwd)
return;
if (this.wwd != null)
{
this.wwd.getInputHandler().removeMouseListener(this);
this.wwd.getInputHandler().removeMouseMotionListener(this);
}
this.wwd = wwd;
if (this.wwd != null)
{
this.wwd.getInputHandler().addMouseListener(this);
this.wwd.getInputHandler().addMouseMotionListener(this);
}
}
public boolean isArmed()
{
return this.armed;
}
public void setArmed(boolean armed)
{
this.armed = armed;
}
public int getAltitudeMode()
{
return this.altitudeMode;
}
public void setAltitudeMode(int altitudeMode)
{
this.altitudeMode = altitudeMode;
}
public boolean isShowAnnotation()
{
return this.showAnnotation;
}
public void setShowAnnotation(boolean state)
{
this.showAnnotation = state;
}
public boolean isAboveGround()
{
return this.aboveGround;
}
public void setAboveGround(boolean state)
{
this.aboveGround = state;
}
public String getLabel(String labelName)
{
if (labelName == null)
{
String msg = Logging.getMessage("nullValue.LabelName");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
String label = this.getStringValue(labelName);
if (label != null)
return label;
else
{
if (this.unitsFormat == null)
this.unitsFormat = new UnitsFormat();
return this.unitsFormat.getStringValue(labelName);
}
}
public void setLabel(String labelName, String label)
{
if (labelName != null && labelName.length() > 0)
this.setValue(labelName, label);
}
protected void setAnnotationAttributes(AnnotationAttributes attributes)
{
this.annotationAttributes = attributes;
}
protected AnnotationAttributes getAnnotationAttributes()
{
return this.annotationAttributes;
}
abstract public void setShape(AbstractShape shape);
abstract public String getEditMode();
abstract public void setEditMode(String editMode);
abstract public void updateAnnotation(Position pos);
protected void initializeAnnotation()
{
// Annotation attributes
this.setInitialLabels();
this.annotationAttributes = new AnnotationAttributes();
this.annotationAttributes.setFrameShape(AVKey.SHAPE_NONE);
this.annotationAttributes.setInsets(new Insets(0, 0, 0, 0));
this.annotationAttributes.setDrawOffset(new Point(0, 10));
this.annotationAttributes.setTextAlign(AVKey.CENTER);
this.annotationAttributes.setEffect(AVKey.TEXT_EFFECT_OUTLINE);
this.annotationAttributes.setFont(Font.decode("Arial-Bold-14"));
this.annotationAttributes.setTextColor(Color.WHITE);
this.annotationAttributes.setBackgroundColor(Color.BLACK);
this.annotationAttributes.setSize(new Dimension(220, 0));
this.annotation = new ScreenAnnotation("", new Point(0, 0), this.annotationAttributes);
this.annotation.getAttributes().setVisible(false);
this.annotation.getAttributes().setDrawOffset(null); // use defaults
}
protected void setInitialLabels()
{
this.setLabel(ACCUMULATED_LABEL, Logging.getMessage(ACCUMULATED_LABEL));
this.setLabel(ANGLE_LABEL, Logging.getMessage(ANGLE_LABEL));
this.setLabel(AREA_LABEL, Logging.getMessage(AREA_LABEL));
this.setLabel(CENTER_LATITUDE_LABEL, Logging.getMessage(CENTER_LATITUDE_LABEL));
this.setLabel(CENTER_LONGITUDE_LABEL, Logging.getMessage(CENTER_LONGITUDE_LABEL));
this.setLabel(CENTER_ALTITUDE_LABEL, Logging.getMessage(CENTER_ALTITUDE_LABEL));
this.setLabel(HEADING_LABEL, Logging.getMessage(HEADING_LABEL));
this.setLabel(TILT_LABEL, Logging.getMessage(TILT_LABEL));
this.setLabel(ROLL_LABEL, Logging.getMessage(ROLL_LABEL));
this.setLabel(EAST_SKEW_LABEL, Logging.getMessage(EAST_SKEW_LABEL));
this.setLabel(NORTH_SKEW_LABEL, Logging.getMessage(NORTH_SKEW_LABEL));
this.setLabel(HEIGHT_LABEL, Logging.getMessage(HEIGHT_LABEL));
this.setLabel(LATITUDE_LABEL, Logging.getMessage(LATITUDE_LABEL));
this.setLabel(LONGITUDE_LABEL, Logging.getMessage(LONGITUDE_LABEL));
this.setLabel(ALTITUDE_LABEL, Logging.getMessage(ALTITUDE_LABEL));
this.setLabel(LENGTH_LABEL, Logging.getMessage(LENGTH_LABEL));
this.setLabel(MAJOR_AXIS_LABEL, Logging.getMessage(MAJOR_AXIS_LABEL));
this.setLabel(MINOR_AXIS_LABEL, Logging.getMessage(MINOR_AXIS_LABEL));
this.setLabel(PERIMETER_LABEL, Logging.getMessage(PERIMETER_LABEL));
this.setLabel(RADIUS_LABEL, Logging.getMessage(RADIUS_LABEL));
this.setLabel(WIDTH_LABEL, Logging.getMessage(WIDTH_LABEL));
}
protected boolean arePositionsRedundant(Position posA, Position posB)
{
if (posA == null || posB == null)
return false;
String aLat = this.unitsFormat.angleNL("", posA.getLatitude());
String bLat = this.unitsFormat.angleNL("", posB.getLatitude());
if (!aLat.equals(bLat))
return false;
String aLon = this.unitsFormat.angleNL("", posA.getLongitude());
String bLon = this.unitsFormat.angleNL("", posB.getLongitude());
if (!aLon.equals(bLon))
return false;
String aAlt = this.unitsFormat.lengthNL("", posA.getAltitude());
String bAlt = this.unitsFormat.lengthNL("", posB.getAltitude());
return aAlt.equals(bAlt);
}
}
