Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.trend / src / org / simantics / trend / impl / SelectionNode.java

diff --git a/bundles/org.simantics.trend/src/org/simantics/trend/impl/SelectionNode.java b/bundles/org.simantics.trend/src/org/simantics/trend/impl/SelectionNode.java
new file mode 100644 (file)
index 0000000..1a1faeb
--- /dev/null
+++ b/bundles/org.simantics.trend/src/org/simantics/trend/impl/SelectionNode.java
@@ -0,0 +1,114 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.trend.impl;\r
+\r
+import java.awt.AlphaComposite;\r
+import java.awt.BasicStroke;\r
+import java.awt.Color;\r
+import java.awt.Composite;\r
+import java.awt.Graphics2D;\r
+import java.awt.geom.Point2D;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.scenegraph.g2d.G2DNode;\r
+\r
+public class SelectionNode extends G2DNode {\r
+       \r
+    private static final long serialVersionUID = -8803833805847402592L;\r
+\r
+    public static AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f);\r
+       public static final Color COLOR = new Color(.5f, .5f, 1.f);\r
+    public static final BasicStroke STROKE =\r
+            new BasicStroke(1.f,\r
+                    BasicStroke.CAP_SQUARE,\r
+                    BasicStroke.CAP_SQUARE,\r
+                    10.0f, null, 0.0f);\r
+    \r
+    double x1, x2, y1, y2;\r
+    Rectangle2D.Double rect = new Rectangle2D.Double(0, 0, 1, 1);\r
+    Rectangle2D.Double rect2 = new Rectangle2D.Double(0, 0, 1, 1);\r
+    boolean binaryZoom = false, timeZoom = false;\r
+    \r
+    public void start(Point2D pt, boolean binaryZoom, boolean timeZoom)\r
+    {\r
+       x1 = x2 = pt.getX();\r
+       y1 = y2 = pt.getY();\r
+       rect.setFrame(x1, y1, 0, 0);    \r
+       rect2.setFrame(x1, y1, 0, 0);\r
+       this.binaryZoom = binaryZoom;\r
+       this.timeZoom = timeZoom;\r
+    }\r
+    \r
+    public void setEndPoint(Point2D pt)\r
+    {\r
+       x2 = pt.getX();\r
+       y2 = pt.getY();\r
+       layout();\r
+    }\r
+    \r
+    public void layout() {\r
+       TrendNode trend = (TrendNode) getParent();\r
+       Plot plot = trend.plot;\r
+       \r
+       if (binaryZoom) {\r
+               // Binary Zoom\r
+               double px = plot.getX();\r
+               double py = plot.getY()+plot.analogAreaHeight;\r
+               double pw = plot.getWidth();\r
+               double ph = plot.binaryAreaHeight;\r
+               \r
+               rect2.setFrame( Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2), Math.abs(y1-y2) );         \r
+               \r
+               double _x1 = Math.min( Math.max( x1, px ), px+pw);\r
+               double _x2 = Math.min( Math.max( x2, px ), px+pw);\r
+                               \r
+               rect.setFrame( Math.min(_x1, _x2), py, Math.abs(_x1-_x2), ph );         \r
+       } else {\r
+               // Analog Zoom\r
+               double px = plot.getX();\r
+               double py = plot.getY();\r
+               double pw = plot.getWidth();\r
+               double ph = plot.analogAreaHeight;\r
+               \r
+               rect2.setFrame( Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2), Math.abs(y1-y2) );         \r
+               \r
+               double _x1 = Math.min( Math.max( x1, px ), px+pw);\r
+               double _x2 = Math.min( Math.max( x2, px ), px+pw);\r
+               double _y1 = Math.min( Math.max( y1, py ), py+ph);\r
+               double _y2 = Math.min( Math.max( y2, py ), py+ph);\r
+                               \r
+               if (timeZoom) {\r
+               rect.setFrame( Math.min(_x1, _x2), py, Math.abs(_x1-_x2), plot.analogAreaHeight );                              \r
+               } else {\r
+               rect.setFrame( Math.min(_x1, _x2), Math.min(_y1, _y2), Math.abs(_x1-_x2), Math.abs(_y1-_y2) );                                  \r
+               }\r
+       }       \r
+       \r
+    }\r
+\r
+       @Override\r
+       public void render(Graphics2D g2d) {            \r
+               Composite c = g2d.getComposite();\r
+               g2d.setComposite( composite );\r
+               g2d.setColor( COLOR );\r
+               g2d.fill( rect );\r
+               g2d.setComposite( c );\r
+               g2d.setStroke( STROKE );\r
+               g2d.draw( rect );\r
+       }\r
+       \r
+       @Override\r
+       public Rectangle2D getBoundsInLocal() {         \r
+               return rect;\r
+       }\r
+\r
+}\r