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