diff options
Diffstat (limited to 'source/com/c2kernel/lifecycle/gui/view/WfDirectedEdgeDefRenderer.java')
| -rwxr-xr-x | source/com/c2kernel/lifecycle/gui/view/WfDirectedEdgeDefRenderer.java | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/source/com/c2kernel/lifecycle/gui/view/WfDirectedEdgeDefRenderer.java b/source/com/c2kernel/lifecycle/gui/view/WfDirectedEdgeDefRenderer.java new file mode 100755 index 0000000..7eb646f --- /dev/null +++ b/source/com/c2kernel/lifecycle/gui/view/WfDirectedEdgeDefRenderer.java @@ -0,0 +1,132 @@ +package com.c2kernel.lifecycle.gui.view;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.GeneralPath;
+import com.c2kernel.graph.model.DirectedEdge;
+import com.c2kernel.graph.model.GraphPoint;
+import com.c2kernel.graph.view.DirectedEdgeRenderer;
+import com.c2kernel.lifecycle.NextDef;
+public class WfDirectedEdgeDefRenderer implements DirectedEdgeRenderer
+{
+ private GeneralPath mArrowTemplate = new GeneralPath();
+ public WfDirectedEdgeDefRenderer()
+ {
+ mArrowTemplate.moveTo(-5, 5);
+ mArrowTemplate.lineTo(0, 0);
+ mArrowTemplate.lineTo(5, 5);
+ }
+ public void draw(Graphics2D g2d, DirectedEdge directedEdge)
+ {
+ GraphPoint originPoint = directedEdge.getOriginPoint();
+ GraphPoint terminusPoint = directedEdge.getTerminusPoint();
+ GraphPoint midPoint = new GraphPoint();
+ AffineTransform transform = new AffineTransform();
+ Shape arrow = null;
+ NextDef nextDef = (NextDef) directedEdge;
+ boolean hasError = !nextDef.verify();
+ String text = (String) nextDef.getProperties().get("Alias");
+ g2d.setPaint(hasError ? Color.red : Color.black);
+ if (("Broken +".equals(nextDef.getProperties().get("Type"))))
+ {
+ g2d.drawLine(originPoint.x, originPoint.y, originPoint.x, (originPoint.y + terminusPoint.y) / 2);
+ g2d.drawLine(originPoint.x, (originPoint.y + terminusPoint.y) / 2, terminusPoint.x, (originPoint.y + terminusPoint.y) / 2);
+ g2d.drawLine(terminusPoint.x, (originPoint.y + terminusPoint.y) / 2, terminusPoint.x, terminusPoint.y);
+ midPoint.x = (originPoint.x + terminusPoint.x) / 2;
+ midPoint.y = (originPoint.y + terminusPoint.y) / 2;
+ transform.translate(midPoint.x, midPoint.y);
+ transform.rotate(
+ calcArrowAngle(
+ originPoint.x,
+ originPoint.x - terminusPoint.x > -5
+ && originPoint.x - terminusPoint.x < 5 ? originPoint.y : (originPoint.y + terminusPoint.y) / 2,
+ terminusPoint.x,
+ originPoint.x - terminusPoint.x > -5
+ && originPoint.x - terminusPoint.x < 5 ? terminusPoint.y : (originPoint.y + terminusPoint.y) / 2));
+ }
+ else if (("Broken -".equals(nextDef.getProperties().get("Type"))))
+ {
+ g2d.drawLine(originPoint.x, originPoint.y, terminusPoint.x, originPoint.y);
+ g2d.drawLine(terminusPoint.x, originPoint.y, terminusPoint.x, terminusPoint.y);
+ boolean arrowOnY = !(originPoint.y - terminusPoint.y < 60 && originPoint.y - terminusPoint.y > -60);
+ midPoint.x = arrowOnY ? terminusPoint.x : (originPoint.x + terminusPoint.x) / 2;
+ midPoint.y = arrowOnY ? (originPoint.y + terminusPoint.y) / 2 : originPoint.y;
+ transform.translate(midPoint.x, midPoint.y);
+ transform
+ .rotate(
+ calcArrowAngle(
+ arrowOnY ? terminusPoint.x : originPoint.x,
+ arrowOnY ? originPoint.y : originPoint.y,
+ arrowOnY ? terminusPoint.x : terminusPoint.x,
+ arrowOnY ? terminusPoint.y : originPoint.y));
+ }
+ else if (("Broken |".equals(nextDef.getProperties().get("Type"))))
+ {
+ g2d.drawLine(originPoint.x, originPoint.y, originPoint.x, terminusPoint.y);
+ g2d.drawLine(originPoint.x, terminusPoint.y, terminusPoint.x, terminusPoint.y);
+ boolean arrowOnY = !(originPoint.y - terminusPoint.y < 60 && originPoint.y - terminusPoint.y > -60);
+ midPoint.x = arrowOnY ? originPoint.x : (originPoint.x + terminusPoint.x) / 2;
+ midPoint.y = arrowOnY ? (originPoint.y + terminusPoint.y) / 2 : terminusPoint.y;
+ transform.translate(midPoint.x, midPoint.y);
+ transform
+ .rotate(
+ calcArrowAngle(
+ arrowOnY ? terminusPoint.x : originPoint.x,
+ arrowOnY ? originPoint.y : originPoint.y,
+ arrowOnY ? terminusPoint.x : terminusPoint.x,
+ arrowOnY ? terminusPoint.y : originPoint.y));
+ }
+ else
+ {
+ g2d.drawLine(originPoint.x, originPoint.y, terminusPoint.x, terminusPoint.y);
+ midPoint.x = originPoint.x + (terminusPoint.x - originPoint.x) / 2;
+ midPoint.y = originPoint.y + (terminusPoint.y - originPoint.y) / 2;
+ transform.translate(midPoint.x, midPoint.y);
+ transform.rotate(calcArrowAngle(originPoint.x, originPoint.y, terminusPoint.x, terminusPoint.y));
+ }
+
+ arrow = mArrowTemplate.createTransformedShape(transform);
+ g2d.draw(arrow);
+ if (text != null)
+ g2d.drawString(text, midPoint.x + 10, midPoint.y);
+ }
+ private double calcArrowAngle(int originX, int originY, int terminusX, int terminusY)
+ {
+ double width = terminusX - originX;
+ double height = terminusY - originY;
+ if ((width == 0) && (height > 0))
+ {
+ return Math.PI;
+ }
+ if ((width == 0) && (height < 0))
+ {
+ return 0;
+ }
+ if ((width > 0) && (height == 0))
+ {
+ return Math.PI / 2.0;
+ }
+ if ((width < 0) && (height == 0))
+ {
+ return -1.0 * Math.PI / 2.0;
+ }
+ if ((width > 0) && (height > 0))
+ {
+ return Math.PI / 2.0 + Math.atan(Math.abs(height) / Math.abs(width));
+ }
+ if ((width > 0) && (height < 0))
+ {
+ return Math.atan(Math.abs(width) / Math.abs(height));
+ }
+ if ((width < 0) && (height < 0))
+ {
+ return -1.0 * Math.atan(Math.abs(width) / Math.abs(height));
+ }
+ if ((width < 0) && (height > 0))
+ {
+ return -1.0 * (Math.PI / 2.0 + Math.atan(Math.abs(height) / Math.abs(width)));
+ }
+ return 0.0;
+ }
+}
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