X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.threadlog%2Fsrc%2Forg%2Fsimantics%2Fthreadlog%2Fui%2FTimeLineViewer.java;fp=bundles%2Forg.simantics.threadlog%2Fsrc%2Forg%2Fsimantics%2Fthreadlog%2Fui%2FTimeLineViewer.java;h=40aefb05526439a010c637bad8e4a88ab3920765;hb=2531cdf245f42bce854d43f4d49a23983c79db96;hp=0000000000000000000000000000000000000000;hpb=857dbc869796d772864327ce02f19dc252b159fc;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.threadlog/src/org/simantics/threadlog/ui/TimeLineViewer.java b/bundles/org.simantics.threadlog/src/org/simantics/threadlog/ui/TimeLineViewer.java
new file mode 100644
index 000000000..40aefb055
--- /dev/null
+++ b/bundles/org.simantics.threadlog/src/org/simantics/threadlog/ui/TimeLineViewer.java
@@ -0,0 +1,184 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.threadlog.ui;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseMotionAdapter;
+import java.awt.event.MouseWheelEvent;
+import java.awt.event.MouseWheelListener;
+import java.awt.geom.Rectangle2D;
+import java.awt.geom.RoundRectangle2D;
+import java.text.DecimalFormat;
+import java.text.Format;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import javax.swing.JPanel;
+
+public class TimeLineViewer extends JPanel {
+
+    private static final long serialVersionUID = -7410066541298449720L;
+    
+    public static long TOOL_TIP_DELAY = 500;
+	public static double MIN_GRID_LINE_SEPARATION = 15;
+	
+	// Time line data
+	List<Lane> lanes = new ArrayList<Lane>();
+	
+	// For panning and zooming
+	double xScale = 100.0;
+	double xOffset = 0.0;
+	double yOffset = 0.0;
+	int oldX;
+	int oldY;
+	
+	// Tool tips
+	Timer toolTipTimer = new Timer();
+	class ToolTipTask extends TimerTask {
+
+		@Override
+		public void run() {
+			System.out.println("show tooltip");			
+		}
+		
+	}
+	
+	public TimeLineViewer() {
+		addMouseListener(new MouseAdapter() {
+        	@Override
+        	public void mousePressed(MouseEvent e) {
+        		oldX = e.getX();
+        		oldY = e.getY();
+        	}
+		});
+        addMouseMotionListener(new MouseMotionAdapter() {        	
+        	@Override
+        	public void mouseDragged(MouseEvent e) {
+        		int curX = e.getX();
+        		int curY = e.getY();
+        		int diffX = curX - oldX;
+        		int diffY = curY - oldY;
+        		oldX = curX;
+        		oldY = curY;
+        		
+        		xOffset -= diffX/xScale;
+        		yOffset -= diffY;
+        		repaint();
+        	}
+        	TimerTask toolTipTask;
+			@Override
+        	public void mouseMoved(MouseEvent e) {
+				if(toolTipTask != null)
+					toolTipTask.cancel();
+				toolTipTask = new ToolTipTask();
+        		toolTipTimer.schedule(toolTipTask, TOOL_TIP_DELAY);
+        	}
+        });
+        addMouseWheelListener(new MouseWheelListener() {			
+			@Override
+			public void mouseWheelMoved(MouseWheelEvent e) {
+				xOffset += e.getX() / xScale;
+				xScale *= Math.pow(1.25, -e.getWheelRotation());
+				xOffset -= e.getX() / xScale;
+				repaint();
+			}
+		});
+	}
+	
+	public void addLane(Lane lane) {
+		lanes.add(lane);
+	}
+	
+	public void clear() {
+		lanes.clear();
+	}
+	
+	public void paintIntervals(Graphics2D g) {		
+		for(int laneId=0;laneId < lanes.size();++laneId) {
+			Lane lane = lanes.get(laneId);
+			
+			double y = 35.0*laneId - yOffset;
+			double height = 30.0;
+			
+			for(Interval interval : lane.intervals) {
+				double x = (interval.begin - xOffset) * xScale; 
+				double width = (interval.end - interval.begin) * xScale;
+				
+				Shape shape = new RoundRectangle2D.Double(x, y, width, height, 10.0, 10.0);
+				g.setColor(Color.WHITE);
+				g.fill(shape);
+				g.setColor(Color.BLACK);
+				g.draw(shape);
+				
+				Rectangle2D bounds = g.getFontMetrics().getStringBounds(interval.text, g);
+				if(bounds.getWidth() < width)
+					g.drawString(interval.text, (float)(x+0.5*(width-bounds.getWidth())), (float)(y+20.0));
+			}
+		}
+	}
+	
+	public void paintGrid(Graphics2D g) {
+		Dimension dim = getSize();
+		
+		g.setBackground(Color.WHITE);
+		g.clearRect(0, 0, dim.width, dim.height);
+		
+		double stepsize = 0.001;
+		double majorStepsize;
+		while(true) {
+			majorStepsize = stepsize * 5.0;
+			if(stepsize * xScale >= MIN_GRID_LINE_SEPARATION)
+				break;
+			stepsize = majorStepsize;
+			majorStepsize = stepsize * 2.0;
+			if(stepsize * xScale >= MIN_GRID_LINE_SEPARATION)
+				break;
+			stepsize = majorStepsize;
+		}
+		
+		double firstP = Math.ceil(xOffset / stepsize) * stepsize;
+		double lastP = Math.floor((xOffset + dim.width / xScale) / stepsize) * stepsize;
+		if(firstP < 0.0)
+			firstP = 0.0;
+
+		Format format = new DecimalFormat();
+		for(double p = firstP;p <= lastP; p+=stepsize) {
+			int x = (int)((p - xOffset) * xScale);
+			if(Math.abs(p/majorStepsize - Math.round(p/majorStepsize)) < 1e-3) {
+				g.setColor(Color.BLACK);
+				String text = format.format(p);
+				Rectangle2D bounds = g.getFontMetrics().getStringBounds(text, g);
+				g.drawString(text, (float)(x-bounds.getWidth()*0.5), 12.0f);				
+			}
+			else
+				g.setColor(Color.LIGHT_GRAY);
+			g.drawLine(x, 14, x, (int)dim.getHeight());
+		}
+	}
+	
+	@Override
+	public void paint(Graphics _g) {
+		Graphics2D g = (Graphics2D)_g;	
+				
+		paintGrid(g);
+		paintIntervals(g);
+	}
+	
+}