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Diffstat (limited to 'java/EAC/Connector.java')
| -rw-r--r-- | java/EAC/Connector.java | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/java/EAC/Connector.java b/java/EAC/Connector.java deleted file mode 100644 index 27c02e820bc..00000000000 --- a/java/EAC/Connector.java +++ /dev/null @@ -1,197 +0,0 @@ -/** - * Title: Connector - * Description: Connects two primitives in the Event Analysis Configurator - */ -package EAC; -import java.awt.*; - -public class Connector extends Primitive { - - // for drawing - protected RubberbandLine rbLine; - - // Primitives connected by connector - Primitive startP, - endP; - - // the second point of the connector - // (the anchor point is inherited from Primitive) - protected Point endpoint; - - public Connector(EACPanel p) { - super(p); - rbLine = new RubberbandLine(p); - } - - // inappropriate inherited methods: should not be used - public void setTop(Point p) {} - public Point getTop() { return null; } - - public void setEndpoint(Point p) { - endpoint = p; - } /* setEndpoint */ - - public Point getEndpoint() { - return endpoint; - } /* getEndpoint */ - - // Anchor the rubberband line AND the connector itself - public void anchor(Point p) { - rbLine.anchor(p); - anchor = p; - } /* anchor */ - - // Stretch the rubberband line - public void stretch(Point p) { - rbLine.stretch(p); - } /* stretch */ - - // End the rubberband line AND the connector itself - public void end(Point p) { - rbLine.end(p); - endpoint = p; - } /* end */ - - public void draw() throws BoundsException { - if (inBounds()) { - Graphics g = canvas.getGraphics(); - - g.drawLine(anchor.x,anchor.y,endpoint.x,endpoint.y); - drawArrowhead(g); - } else - throw new BoundsException("ERROR: Attempted to place Connector endpoint out of bounds"); - } /* draw */ - - private void drawArrowhead(Graphics g) { - final int arrowHeadWidth = 10; - Point P1 = anchor; - Point P2 = endpoint; - - // Draw Arrowhead (using java.lang.Math and floating point) - // source provided by Erik in newsgroup posting - double dx = P2.x - P1.x; - double dy = P2.y - P1.y; - final double ra = java.lang.Math.sqrt(dx*dx + dy*dy); - final double ri = (double) arrowHeadWidth; - dx /= ra; - dy /= ra; - Point p2 = new Point((int)Math.round(P2.x - dx*ri), - (int)Math.round(P2.y - dy*ri)); - int[] x = new int[3]; - int[] y = new int[3]; - double r = 0.4 * ri; - x[0] = (int)Math.round(p2.x + dy * r); - y[0] = (int)Math.round(p2.y - dx * r); - x[1] = P2.x; - y[1] = P2.y; - x[2] = (int)Math.round(p2.x - dy * r); - y[2] = (int)Math.round(p2.y + dx * r); - g.fillPolygon(x, y, x.length); - } /* drawArrowhead */ - - public boolean contains(Point p) { - return false; - } /* contains */ - - public Point upperLeft() { - return anchor; - } /* upperLeft */ - - public Point lowerRight() { - return endpoint; - } /* lowerRight */ - - public Point upperRight() { - return endpoint; - } /* upperRight */ - - public Point lowerLeft() { - return anchor; - } /* lowerLeft */ - - public boolean inBounds() { - if (canvas.contains(endpoint)) - return true; - else - return false; - } /* inBounds */ - - public void write(File f) throws java.io.IOException { - f.writeInt(f.CONNECTOR); - f.writeInt(anchor.x); - f.writeInt(anchor.y); - f.writeInt(endpoint.x); - f.writeInt(endpoint.y); - } /* write */ - - public void read(File f) throws java.io.IOException { - anchor = new Point(); - endpoint = new Point(); - - anchor.x = f.readInt(); - anchor.y = f.readInt(); - endpoint.x = f.readInt(); - endpoint.y = f.readInt(); - } /* read */ - - public int addInput(Connector c) throws ConnectionException { - throw new ConnectionException("ERROR: Connectors cannot connect each other"); - } /* addInput */ - - public int addOutput(Connector c) throws ConnectionException { - throw new ConnectionException("ERROR: Connectors cannot connect each other"); - } /* addOutput */ - - public void setInput(Primitive p) { - startP = p; - } /* setInput */ - - public void setOutput(Primitive p) { - endP = p; - } /* setOutput */ - - public Primitive getInput() { - return startP; - } /* getInput */ - - public Primitive getOutput() { - return endP; - } /* getOutput */ - - public Connector getInput(int i) throws ConnectionException { - throw new ConnectionException("Internal error: wrong getInput() called on Connector"); - } /* getInput */ - - public Connector getOutput(int i) throws ConnectionException { - throw new ConnectionException("Internal error: wrong getOutput() called on Connector"); - } /* getOutput */ - - public void removeInput(int i) throws ConnectionException { - //throw new ConnectionException("ERROR: Attempted to remove input from connector"); - startP = null; - } /* removeInput */ - - public void removeOutput(int i) throws ConnectionException { - //throw new ConnectionException("ERROR: Attempted to remove output from connector"); - endP = null; - } /* removeOutput */ - - public int getInputCount() throws ConnectionException { - //throw new ConnectionException("ERROR: Attempted to retrieve input count from connector"); - return (startP == null) ? 0 : 1; - } /* getInputCount */ - - public int getOutputCount() throws ConnectionException { - //throw new ConnectionException("ERROR: Attempted to retrieve output count from connector"); - return (endP == null) ? 0 : 1; - } /* getOutputCount */ - - public void event(Source s) throws ConnectionException { - //throw new ConnectionException("ERROR: Attempted to push event to connector"); - endP.event(s); - } /* event */ - - public void wakeup(long t) throws ConnectionException { - throw new ConnectionException("ERROR: Attempted to wake up connector"); - } /* wakeup */ -}
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