X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.trend%2Fsrc%2Forg%2Fsimantics%2Ftrend%2Fimpl%2FSelectionNode.java;fp=bundles%2Forg.simantics.trend%2Fsrc%2Forg%2Fsimantics%2Ftrend%2Fimpl%2FSelectionNode.java;h=1a1faebb0cfbd1b9d1b0f833e82b3bb661114844;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..1a1faebb0
--- /dev/null
+++ b/bundles/org.simantics.trend/src/org/simantics/trend/impl/SelectionNode.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.trend.impl;
+
+import java.awt.AlphaComposite;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Composite;
+import java.awt.Graphics2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+
+import org.simantics.scenegraph.g2d.G2DNode;
+
+public class SelectionNode extends G2DNode {
+	
+    private static final long serialVersionUID = -8803833805847402592L;
+
+    public static AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f);
+	public static final Color COLOR = new Color(.5f, .5f, 1.f);
+    public static final BasicStroke STROKE =
+            new BasicStroke(1.f,
+                    BasicStroke.CAP_SQUARE,
+                    BasicStroke.CAP_SQUARE,
+                    10.0f, null, 0.0f);
+    
+    double x1, x2, y1, y2;
+    Rectangle2D.Double rect = new Rectangle2D.Double(0, 0, 1, 1);
+    Rectangle2D.Double rect2 = new Rectangle2D.Double(0, 0, 1, 1);
+    boolean binaryZoom = false, timeZoom = false;
+    
+    public void start(Point2D pt, boolean binaryZoom, boolean timeZoom)
+    {
+    	x1 = x2 = pt.getX();
+    	y1 = y2 = pt.getY();
+    	rect.setFrame(x1, y1, 0, 0);	
+    	rect2.setFrame(x1, y1, 0, 0);
+    	this.binaryZoom = binaryZoom;
+    	this.timeZoom = timeZoom;
+    }
+    
+    public void setEndPoint(Point2D pt)
+    {
+    	x2 = pt.getX();
+    	y2 = pt.getY();
+    	layout();
+    }
+    
+    public void layout() {
+    	TrendNode trend = (TrendNode) getParent();
+    	Plot plot = trend.plot;
+    	
+    	if (binaryZoom) {
+    		// Binary Zoom
+    		double px = plot.getX();
+        	double py = plot.getY()+plot.analogAreaHeight;
+        	double pw = plot.getWidth();
+        	double ph = plot.binaryAreaHeight;
+    		
+        	rect2.setFrame( Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2), Math.abs(y1-y2) );    	
+        	
+        	double _x1 = Math.min( Math.max( x1, px ), px+pw);
+        	double _x2 = Math.min( Math.max( x2, px ), px+pw);
+        	    	   	
+        	rect.setFrame( Math.min(_x1, _x2), py, Math.abs(_x1-_x2), ph );    	
+    	} else {
+    		// Analog Zoom
+        	double px = plot.getX();
+        	double py = plot.getY();
+        	double pw = plot.getWidth();
+        	double ph = plot.analogAreaHeight;
+    		
+        	rect2.setFrame( Math.min(x1, x2), Math.min(y1, y2), Math.abs(x1-x2), Math.abs(y1-y2) );    	
+        	
+        	double _x1 = Math.min( Math.max( x1, px ), px+pw);
+        	double _x2 = Math.min( Math.max( x2, px ), px+pw);
+        	double _y1 = Math.min( Math.max( y1, py ), py+ph);
+        	double _y2 = Math.min( Math.max( y2, py ), py+ph);
+        	    	   	
+        	if (timeZoom) {
+            	rect.setFrame( Math.min(_x1, _x2), py, Math.abs(_x1-_x2), plot.analogAreaHeight );    	        		
+        	} else {
+            	rect.setFrame( Math.min(_x1, _x2), Math.min(_y1, _y2), Math.abs(_x1-_x2), Math.abs(_y1-_y2) );    	        		
+        	}
+    	}    	
+    	
+    }
+
+	@Override
+	public void render(Graphics2D g2d) {		
+		Composite c = g2d.getComposite();
+		g2d.setComposite( composite );
+		g2d.setColor( COLOR );
+		g2d.fill( rect );
+		g2d.setComposite( c );
+		g2d.setStroke( STROKE );
+		g2d.draw( rect );
+	}
+	
+	@Override
+	public Rectangle2D getBoundsInLocal() {		
+		return rect;
+	}
+
+}