--- /dev/null
+/*******************************************************************************\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.Color;\r
+import java.awt.Font;\r
+import java.awt.FontMetrics;\r
+import java.awt.Graphics2D;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Path2D;\r
+import java.text.Format;\r
+\r
+import org.simantics.g2d.utils.GridSpacing;\r
+import org.simantics.g2d.utils.GridUtil;\r
+import org.simantics.trend.configuration.ItemPlacement;\r
+import org.simantics.trend.configuration.TrendItem.Renderer;\r
+import org.simantics.utils.format.ValueFormat;\r
+\r
+public class VertRuler extends TrendGraphicalNode {\r
+\r
+ private static final long serialVersionUID = 3773787909384380074L;\r
+\r
+ GridSpacing spacing = GridSpacing.SOME_SPACING;\r
+ double min = -1, max = 1;\r
+ double iMin = Double.MAX_VALUE, iMax = -Double.MAX_VALUE;\r
+ String label = "";\r
+ Color color = Color.GRAY;\r
+ boolean autoscroll = true; // Autoscroll on/off\r
+ boolean manualscale = false; // Autoscale / manual scale\r
+ double labelWidth = 7;\r
+\r
+ static final double TRIANGLE_SIZE = 7;\r
+ static final Path2D TRIANGLE;\r
+ \r
+ public void layout()\r
+ {\r
+ TrendNode trend = getTrend();\r
+ ValueFormat vf = trend.valueFormat;\r
+ spacing = GridSpacing.makeGridSpacing(max-min, getHeight(), 15);\r
+ labelWidth = Math.max(7, GridUtil.calcLabelWidth(min, max, vf.format, spacing));\r
+ double w = 30 + labelWidth;\r
+ // Snap w -> next 20 pixels\r
+ double quantization = 10; \r
+ int x = (int) Math.ceil( w / quantization );\r
+ if (x<4) x = 4;\r
+ w = x * quantization;\r
+ w += 5;\r
+ bounds.setFrame(0, 0, w, getHeight()); \r
+ trend.shapedirty = true;\r
+ }\r
+\r
+ public void setHeight(double height) {\r
+ if (height==bounds.getHeight()) return;\r
+ bounds.setFrame(0, 0, bounds.getWidth(), height); \r
+ getTrend().shapedirty = true;\r
+ }\r
+ \r
+ public boolean setMinMax(double min, double max) {\r
+ if (min==this.min && max==this.max) return false;\r
+ spacing = GridSpacing.makeGridSpacing(max-min, getHeight(), 15);\r
+ this.min = min;\r
+ this.max = max;\r
+ getTrend().shapedirty = true;\r
+ return true;\r
+ } \r
+ \r
+ @Override\r
+ protected void doRender(Graphics2D g) {\r
+ TrendNode trend = (TrendNode) getParent();\r
+ \r
+ // Draw little "Frozen"\r
+ if ( !trend.printing )\r
+ {\r
+ g.setColor( Color.LIGHT_GRAY );\r
+ g.setFont( RULER_FONT );\r
+ String txt = !autoscroll ? (manualscale ? "*" : "Auto off") : (manualscale ? "" : "Auto on");\r
+ // Draw at bottom\r
+ //g.drawString(txt, 2.f, (float)getHeight() + 14.f );\r
+ // Draw at top\r
+ g.drawString(txt, 5.f, -9.f );\r
+ }\r
+ \r
+ g.setPaint( color );\r
+ g.setStroke( GridUtil.RULER_LINE_STROKE ); \r
+ \r
+ ValueFormat vf = trend.valueFormat;\r
+ VertRuler master = trend.vertRuler;\r
+ VertRuler slave = this;\r
+ if ( master != slave )\r
+ { \r
+ // Paint "slave" ruler - a ruler with ticks from master and labels from this\r
+ int tickCount = GridUtil.getTickCount(master.spacing, master.min, master.getHeight());\r
+ int noOfDecimals = calcNoOfDecimals(tickCount, slave.max-slave.min);\r
+ Format format = vf.toFormat(noOfDecimals);\r
+ \r
+ GridUtil.paintVerticalSlaveRuler(\r
+ master.spacing,\r
+ spacing, \r
+ g,\r
+ master.min,\r
+ slave.min,\r
+ getHeight(),\r
+ format);\r
+ } else {\r
+ Format format = vf.format;\r
+ \r
+ // Paint normal ruler\r
+ GridUtil.paintVerticalRuler(\r
+ spacing, \r
+ g,\r
+ min,\r
+ getHeight(),\r
+ format);\r
+ }\r
+ \r
+ // Draw label\r
+ {\r
+// Shape oldClip = g2d.getClip();\r
+// Rectangle2D.Double newClip = new Rectangle2D.Double(0,-20, getWidth(), 30);\r
+// g2d.setClip(newClip);\r
+ boolean selected = trend.singleAxis ? false : trend.vertRuler==this;\r
+ selected &= !trend.printing;\r
+ \r
+ Font font = selected ? RULER_FONT_BOLD : RULER_FONT;\r
+ FontMetrics fm = g.getFontMetrics( font );\r
+ //LineMetrics lm = fm.getLineMetrics(label, g);\r
+ double wid = fm.stringWidth(label);\r
+ \r
+ AffineTransform at = g.getTransform();\r
+ g.translate( getWidth()-15, (getHeight()-wid)/2);\r
+// g2d.translate( 18+labelWidth, (getHeight()-wid)/2);\r
+ g.transform( AffineTransform.getQuadrantRotateInstance(1) );\r
+ g.setColor( color );\r
+ g.setFont( font );\r
+ g.drawString( label, (float) 0, (float) 0);\r
+ g.setTransform( at ); \r
+// g2d.setClip(oldClip);\r
+ \r
+ // Triangle\r
+ if (selected) {\r
+ at = g.getTransform();\r
+ g.translate( getWidth() - TRIANGLE_SIZE - 5, 0 );\r
+ g.setColor( color );\r
+ g.fill( TRIANGLE ); \r
+ g.setTransform( at ); \r
+ }\r
+ }\r
+ }\r
+\r
+ public void setKnownMinMax() {\r
+ TrendNode trend = (TrendNode) getParent();\r
+ iMax = -Double.MAX_VALUE;\r
+ iMin = Double.MAX_VALUE;\r
+ for (ItemNode item : trend.analogItems) {\r
+ if (item.item.renderer != Renderer.Analog || item.ruler!=this) continue;\r
+ if ( !Double.isNaN(item.min ) ) iMin = Math.min(iMin, item.min ); \r
+ if ( !Double.isNaN(item.max ) ) iMax = Math.max(iMax, item.max );\r
+ }\r
+ \r
+ if (iMin == Double.MAX_VALUE && iMax == -Double.MAX_VALUE) {\r
+ iMin = 0.;\r
+ iMax = 1.;\r
+ }\r
+ }\r
+ \r
+ public boolean autoscale() {\r
+ if (!autoscroll) return false;\r
+ setKnownMinMax();\r
+ double nMin = iMin;\r
+ double nMax = iMax;\r
+ double diff = nMax - nMin;\r
+ if (diff==0.0) {\r
+ nMin -= 0.5;\r
+ nMax += 0.5;\r
+ diff = nMax - nMin;\r
+ }\r
+ double margin = diff*0.02;\r
+ \r
+ TrendNode trend = getTrend();\r
+ if (trend.itemPlacement == ItemPlacement.Stacked) {\r
+ int c = trend.vertRulers.size();\r
+ int i = c-trend.vertRulers.indexOf(this)-1;\r
+ nMin = nMin - (diff)*i - margin;\r
+ nMax = nMax + (diff)*(c-i-1) + margin;\r
+ \r
+ } else {\r
+ nMin = iMin - margin;\r
+ nMax = iMax + margin;\r
+ } \r
+\r
+ return setMinMax(nMin, nMax);\r
+ }\r
+ \r
+ public void translate(double dy) {\r
+ min += dy;\r
+ max += dy;\r
+ autoscroll = false;\r
+ }\r
+ \r
+ public void zoomIn(double y, double height) {\r
+ autoscroll = false;\r
+ \r
+ double diff = max-min;\r
+ double sy = diff / getHeight();\r
+ if ( Math.abs(diff)<GridSpacing.GRID_MIN_USER_SIZE && height<getHeight()) {\r
+// System.out.println(y/getHeight()*4+", "+getHeight());\r
+// diff = GridSpacing.GRID_MIN_USER_SIZE;\r
+// sy = diff / getHeight();\r
+// double ry = y/getHeight()*4;\r
+// double vy = (max+min)/2-y*sy; \r
+// setMinMax(vy-GridSpacing.GRID_MIN_USER_SIZE/2, vy+GridSpacing.GRID_MIN_USER_SIZE/2);\r
+ return;\r
+ } else {\r
+ double newMin = min + (getHeight() - y-height)*sy;\r
+ double newMax = max - (y)*sy;\r
+ setMinMax(newMin, newMax);\r
+ }\r
+ }\r
+ \r
+ public void zoomOut() {\r
+ autoscroll = true;\r
+ autoscale();\r
+ } \r
+ \r
+ public void zoomTo(double min, double max) {\r
+ setMinMax(min, max);\r
+ autoscroll = false;\r
+ }\r
+ \r
+ public double unitsPerPixel() {\r
+ return (max-min) / getHeight();\r
+ }\r
+ \r
+ static int calcNoOfDecimals(int tickCount, double diff)\r
+ {\r
+ int interestingNumbers;\r
+ if ( tickCount<=2 ) interestingNumbers = 1; else\r
+ if ( tickCount>=3 && tickCount<=9 ) interestingNumbers = 2; else\r
+ if ( tickCount>=10 && tickCount<=99 ) interestingNumbers = 3; else\r
+ if ( tickCount>=100 && tickCount<=999 ) interestingNumbers = 4; else\r
+ interestingNumbers = 5;\r
+ \r
+ int decimals = interestingNumbers - ((int)Math.ceil( Math.log10(diff) ));\r
+ if (decimals<0) decimals = 0;\r
+ \r
+ return decimals;\r
+ }\r
+ \r
+ public static void main(String[] args) {\r
+ double diff = 12.4567890;\r
+ for ( int tickCount=0; tickCount<15; tickCount++) {\r
+ int noOfDecimals = calcNoOfDecimals(tickCount, diff);\r
+ Format format = ValueFormat.Currency.toFormat(noOfDecimals);\r
+ System.out.println("diff="+diff+", tickcount="+tickCount+", #ofDecimals="+noOfDecimals+", formatted diff="+format.format(diff));\r
+ }\r
+ }\r
+ static {\r
+ \r
+ TRIANGLE = new Path2D.Double();\r
+ TRIANGLE.moveTo(-TRIANGLE_SIZE/2, 0);\r
+ TRIANGLE.lineTo(TRIANGLE_SIZE/2, 0);\r
+ TRIANGLE.lineTo(0, TRIANGLE_SIZE);\r
+\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff