--- /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.BasicStroke;\r
+import java.awt.Color;\r
+import java.awt.Font;\r
+import java.awt.Graphics2D;\r
+import java.awt.Rectangle;\r
+import java.awt.RenderingHints;\r
+import java.awt.font.GlyphVector;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.Comparator;\r
+import java.util.HashMap;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Map;\r
+import java.util.Set;\r
+import java.util.TreeSet;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.accessor.error.AccessorException;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.util.Bean;\r
+import org.simantics.g2d.utils.GridUtil;\r
+import org.simantics.history.Collector;\r
+import org.simantics.history.History;\r
+import org.simantics.history.HistoryException;\r
+import org.simantics.history.HistoryManager;\r
+import org.simantics.history.ItemManager;\r
+import org.simantics.history.impl.CollectorImpl;\r
+import org.simantics.history.util.Stream;\r
+import org.simantics.history.util.ValueBand;\r
+import org.simantics.scenegraph.g2d.G2DParentNode;\r
+import org.simantics.scenegraph.utils.QualityHints;\r
+import org.simantics.trend.configuration.ItemPlacement;\r
+import org.simantics.trend.configuration.LineQuality;\r
+import org.simantics.trend.configuration.Scale;\r
+import org.simantics.trend.configuration.TimeFormat;\r
+import org.simantics.trend.configuration.TimeWindow;\r
+import org.simantics.trend.configuration.TrendItem;\r
+import org.simantics.trend.configuration.TrendItem.Renderer;\r
+import org.simantics.trend.configuration.TrendQualitySpec;\r
+import org.simantics.trend.configuration.TrendSpec;\r
+import org.simantics.trend.configuration.Viewport;\r
+import org.simantics.trend.configuration.Viewport.AxisViewport;\r
+import org.simantics.trend.configuration.YAxisMode;\r
+import org.simantics.utils.format.ValueFormat;\r
+\r
+import gnu.trove.map.TObjectIntMap;\r
+import gnu.trove.map.hash.TObjectIntHashMap;\r
+import gnu.trove.procedure.TIntProcedure;\r
+import gnu.trove.procedure.TObjectProcedure;\r
+\r
+public class TrendNode extends G2DParentNode implements TrendLayout {\r
+\r
+ private static final long serialVersionUID = -8339696405893626168L;\r
+\r
+ /** Title node */\r
+ public TextNode titleNode;\r
+\r
+ /** Plot node */\r
+ public Plot plot;\r
+ public HorizRuler horizRuler;\r
+ VertRuler vertRuler; // Selected vertical ruler, null if there are no analog items\r
+ int vertRulerIndex; // Index of the selected vertical ruler\r
+ List<VertRuler> vertRulers = new ArrayList<VertRuler>();\r
+ SelectionNode selection;\r
+ public MilestoneSpec milestones;\r
+ \r
+ /** Control bounds */\r
+ Rectangle2D bounds = new Rectangle2D.Double();\r
+ \r
+ /** Trend spec */\r
+ public TrendSpec spec;\r
+ public ViewRenderingProfile renderingProfile = new ViewRenderingProfile();\r
+ public TrendQualitySpec quality = TrendQualitySpec.DEFAULT;\r
+ public boolean printing = false;\r
+ boolean singleAxis;\r
+ \r
+ // Data nodes\r
+ List<ItemNode> analogItems = new ArrayList<ItemNode>();\r
+ List<ItemNode> binaryItems = new ArrayList<ItemNode>();\r
+ List<ItemNode> allItems = new ArrayList<ItemNode>();\r
+\r
+ // History\r
+ static HistoryManager DUMMY_HISTORY = History.createMemoryHistory();\r
+ public HistoryManager historian = DUMMY_HISTORY;\r
+ \r
+ // Collector - set for flushing the stream, right before drawing\r
+ public Collector collector = null;\r
+ Set<String> itemIds = new HashSet<String>();\r
+ \r
+ // Signal to indicate history has changed.\r
+ public boolean datadirty = false;\r
+ // Signal to indicate the cached shapes are dirty. This will cause reloading of data.\r
+ public boolean shapedirty = false;\r
+ \r
+ public boolean autoscaletime = true;\r
+ \r
+ public TimeFormat timeFormat = TimeFormat.Time;\r
+ public ValueFormat valueFormat = ValueFormat.Default;\r
+ public boolean drawSamples = false;\r
+ \r
+ /** Time at mouse, when mouse hovers over trend. This value is set by TrendParticipant. NaN is mouse is not hovering */\r
+ public double mouseHoverTime = Double.NaN, lastMouseHoverTime = 0.0;\r
+ \r
+ /** If set, valueTip is drawn at the time */\r
+ public Double valueTipTime = null, prevValueTipTime = null;\r
+ public boolean valueTipHover = false;\r
+\r
+ public ItemPlacement itemPlacement = ItemPlacement.Overlapping;\r
+ \r
+ @Override\r
+ public void init() {\r
+ spec = new TrendSpec();\r
+ spec.init();\r
+ \r
+ milestones = new MilestoneSpec();\r
+ milestones.init();\r
+ \r
+ //// Create title node\r
+ titleNode = addNode( "Title", TextNode.class );\r
+ titleNode.setFont( new Font("Arial", 0, 30) );\r
+ titleNode.setColor( Color.BLACK );\r
+ titleNode.setText( "<title here>");\r
+ titleNode.setSize(300, 40);\r
+ \r
+ plot = addNode( "Plot", Plot.class );\r
+ \r
+ horizRuler = addNode("HorizRuler", HorizRuler.class);\r
+ vertRuler = addNode("VertRuler", VertRuler.class);\r
+ vertRulers.add( vertRuler );\r
+ \r
+ /// Set some bounds\r
+ horizRuler.setFromEnd(0, 100);\r
+ vertRuler.setMinMax(0, 100);\r
+ setSize(480, 320);\r
+ }\r
+ \r
+ /**\r
+ * Set source of data\r
+ * @param historian\r
+ * @param collector (Optional) Used for flushing collectors \r
+ */\r
+ public void setHistorian(HistoryManager historian, Collector collector) {\r
+ this.historian = historian==null?DUMMY_HISTORY:historian;\r
+ this.collector = collector;\r
+ itemIds.clear();\r
+ ItemManager allFiles = ItemManager.createUnchecked( getHistoryItems() );\r
+ for (ItemNode item : allItems) {\r
+ item.setTrendItem(item.item, allFiles);\r
+ for (Bean historyItem : item.historyItems ) {\r
+ try {\r
+ itemIds.add( (String) historyItem.getField("id") );\r
+ } catch (BindingException e) {\r
+ }\r
+ }\r
+ }\r
+ }\r
+ \r
+ /**\r
+ * Get info of all history items.\r
+ * This util is created for polling strategy. \r
+ * \r
+ * @return\r
+ */\r
+ Bean[] getHistoryItems() {\r
+ Bean[] result = null;\r
+ HistoryException e = null;\r
+ for (int attempt=0; attempt<10; attempt++) {\r
+ try {\r
+ result = historian.getItems();\r
+ break;\r
+ } catch (HistoryException e2) {\r
+ if (e==null) e = e2;\r
+ try {\r
+ Thread.sleep(1);\r
+ } catch (InterruptedException e1) {\r
+ }\r
+ }\r
+ }\r
+ if (result!=null) return result;\r
+ //throw new RuntimeException(e);\r
+ return new Bean[0];\r
+ }\r
+ \r
+ public void setMilestones(Bean milestones) {\r
+ if (this.milestones.equals(milestones)) return;\r
+ this.milestones.readFrom( milestones ); \r
+ boolean hasBaseline = this.milestones.baseline>=0;\r
+\r
+ // Sort by first, put baseline on top\r
+ final Milestone baseline = this.milestones.baseline>=0 ? this.milestones.milestones.get( this.milestones.baseline ) : null;\r
+ Collections.sort(this.milestones.milestones, new Comparator<Milestone>() {\r
+ public int compare(Milestone o1, Milestone o2) {\r
+ if (o1==baseline) return -1;\r
+ if (o2==baseline) return 1;\r
+ return Double.compare(o1.time, o1.time);\r
+ }});\r
+ \r
+ this.milestones.baseline = hasBaseline ? 0 : -1; \r
+ double newBasetime = hasBaseline ? this.milestones.milestones.get(this.milestones.baseline).time : 0.;\r
+ if (newBasetime != horizRuler.basetime) { \r
+ horizRuler.basetime = newBasetime;\r
+ horizRuler.layout();\r
+ }\r
+ shapedirty = true;\r
+ }\r
+ \r
+ public void selectVertRuler(int index) {\r
+ vertRulerIndex = index;\r
+ if (index<0 || index>=vertRulers.size()) {\r
+ vertRuler = vertRulers.get(0);\r
+ } else {\r
+ vertRuler = vertRulers.get(index);\r
+ }\r
+ shapedirty = true;\r
+ }\r
+ \r
+ @Override\r
+ public void cleanup() {\r
+ spec = new TrendSpec();\r
+ spec.init();\r
+ analogItems.clear();\r
+ binaryItems.clear();\r
+ allItems.clear();\r
+ historian = DUMMY_HISTORY;\r
+ super.cleanup();\r
+ }\r
+\r
+ private static TObjectIntMap<String> itemIndexMap(List<TrendItem> items) {\r
+ TObjectIntMap<String> map = new TObjectIntHashMap<>(items.size(), 0.5f, -1);\r
+ for (int i = 0; i < items.size(); ++i) {\r
+ TrendItem it = items.get(i);\r
+ map.put(it.groupItemId, i);\r
+ }\r
+ return map;\r
+ }\r
+\r
+ private static <T> TObjectIntMap<T> subtract(TObjectIntMap<T> a, TObjectIntMap<T> b) {\r
+ TObjectIntMap<T> r = new TObjectIntHashMap<>(a);\r
+ b.forEachKey(new TObjectProcedure<T>() {\r
+ @Override\r
+ public boolean execute(T key) {\r
+ r.remove(key);\r
+ return true;\r
+ }\r
+ });\r
+ return r;\r
+ }\r
+\r
+ /**\r
+ * @param newSpec\r
+ * new trending specification, cannot not be <code>null</code>.\r
+ * Use {@link TrendSpec#EMPTY} instead of <code>null</code>.\r
+ */\r
+ public void setTrendSpec(TrendSpec newSpec) {\r
+ //System.out.println(newSpec);\r
+ // Check if equal & Read spec\r
+ if (newSpec.equals(this.spec)) return;\r
+\r
+ boolean timeWindowChange = !this.spec.viewProfile.timeWindow.equals( newSpec.viewProfile.timeWindow );\r
+ boolean yaxisModeChanged = this.spec.axisMode != newSpec.axisMode;\r
+\r
+ TObjectIntMap<String> newItemMap = itemIndexMap(newSpec.items);\r
+ TObjectIntMap<String> currentItemMap = itemIndexMap(spec.items);\r
+ TObjectIntMap<String> addedItemMap = subtract(newItemMap, currentItemMap);\r
+ TObjectIntMap<String> removedItemMap = subtract(currentItemMap, newItemMap);\r
+ Map<String, VertRuler> existingRulers = new HashMap<>();\r
+ if (this.spec.axisMode == YAxisMode.MultiAxis) {\r
+ for (ItemNode item : analogItems)\r
+ if (item.ruler != null)\r
+ existingRulers.put(item.item.groupItemId, item.ruler);\r
+ }\r
+\r
+ this.spec.readFrom( newSpec );\r
+ this.spec.sortItems();\r
+ this.renderingProfile.read(this.spec.viewProfile);\r
+\r
+ // Set title\r
+ if (titleNode != null) titleNode.setText( spec.name );\r
+\r
+ // Setup trend item nodes\r
+ itemIds.clear();\r
+ for (ItemNode item : allItems) removeNode(item);\r
+ analogItems.clear();\r
+ binaryItems.clear();\r
+ allItems.clear();\r
+ \r
+ ItemManager itemManager = ItemManager.createUnchecked( getHistoryItems() );\r
+ for (int i = 0; i<spec.items.size(); i++) {\r
+ TrendItem item = spec.items.get(i);\r
+ if (item.hidden)\r
+ continue;\r
+ \r
+ ItemNode node = createItemNode(item, itemManager);\r
+ for (Bean historyItem : node.historyItems) {\r
+ try {\r
+ itemIds.add( (String) historyItem.getField("id") );\r
+ } catch (BindingException e) {\r
+ }\r
+ }\r
+ \r
+ if (item.renderer == Renderer.Analog) {\r
+ analogItems.add(node);\r
+ } else {\r
+ binaryItems.add(node);\r
+ }\r
+ allItems.add(node);\r
+ }\r
+\r
+ // Setup vertical ruler nodes\r
+ singleAxis = spec.axisMode == YAxisMode.SingleAxis;\r
+ if (singleAxis) {\r
+ if (yaxisModeChanged || vertRulers.size() != 1 || vertRuler == null) {\r
+ for (VertRuler vr : vertRulers) removeNode(vr);\r
+ vertRulers.clear();\r
+\r
+ vertRuler = addNode("VertRuler", VertRuler.class);\r
+ vertRulers.add( vertRuler );\r
+ }\r
+\r
+ vertRuler.manualscale = true;\r
+ for (int i=0; i<analogItems.size(); i++) {\r
+ ItemNode item = analogItems.get(i);\r
+ item.ruler = vertRuler;\r
+ item.trendNode = this;\r
+ if (item.item.scale instanceof Scale.Manual == false) vertRuler.manualscale = false;\r
+ }\r
+ } else {\r
+ if (yaxisModeChanged) {\r
+ // Recreate all rulers\r
+ for (VertRuler vr : vertRulers) removeNode(vr);\r
+ vertRulers.clear();\r
+ for (int i=0; i<analogItems.size(); i++)\r
+ vertRulers.add( addNode(VertRuler.class) );\r
+ } else {\r
+ removedItemMap.forEachKey(new TObjectProcedure<String>() {\r
+ @Override\r
+ public boolean execute(String id) {\r
+ VertRuler vr = existingRulers.get(id);\r
+ if (vr != null) {\r
+ removeNode(vr);\r
+ vertRulers.remove(vr);\r
+ }\r
+ return true;\r
+ }\r
+ });\r
+ addedItemMap.forEachValue(new TIntProcedure() {\r
+ @Override\r
+ public boolean execute(int index) {\r
+ vertRulers.add( index, addNode(VertRuler.class) );\r
+ return true;\r
+ }\r
+ });\r
+ }\r
+\r
+ for (int i = 0; i < analogItems.size(); i++) {\r
+ ItemNode item = analogItems.get(i);\r
+ VertRuler vr = vertRulers.get(i);\r
+ vr.setZIndex(1000 + i);\r
+ vr.color = item.color;\r
+ vr.label = item.item.label;\r
+ vr.manualscale = item.item.scale instanceof Scale.Manual;\r
+ item.ruler = vr;\r
+ item.trendNode = this;\r
+ }\r
+ // Select vert ruler\r
+ vertRuler = vertRulers.isEmpty() ? null : vertRulers.get( vertRulerIndex <= 0 || vertRulerIndex >= vertRulers.size() ? 0 : vertRulerIndex );\r
+ }\r
+ \r
+ // Locked\r
+ TimeWindow tw = spec.viewProfile.timeWindow;\r
+ horizRuler.manualscale = tw.timeWindowLength!=null && tw.timeWindowStart!=null;\r
+ \r
+ if (timeWindowChange) {\r
+ horizRuler.autoscale();\r
+ }\r
+ shapedirty = true;\r
+ }\r
+\r
+ private ItemNode createItemNode(TrendItem item, ItemManager itemManager) {\r
+ ItemNode node = addNode( ItemNode.class );\r
+ //node.trendNode = this;\r
+ node.setTrendItem(item, itemManager);\r
+ node.color = toColor(item.customColor);\r
+ if (node.color == null)\r
+ node.color = JarisPaints.getColor( item.index );\r
+ node.stroke = item.customStrokeWidth != null\r
+ ? withStrokeWidth(item.customStrokeWidth, Plot.TREND_LINE_STROKE)\r
+ : Plot.TREND_LINE_STROKE;\r
+ return node;\r
+ }\r
+\r
+ private static BasicStroke withStrokeWidth(float width, BasicStroke stroke) {\r
+ return new BasicStroke(width,\r
+ stroke.getEndCap(), stroke.getLineJoin(), stroke.getMiterLimit(),\r
+ stroke.getDashArray(), stroke.getDashPhase());\r
+ }\r
+\r
+ private static Color toColor(float[] components) {\r
+ if (components == null)\r
+ return null;\r
+ switch (components.length) {\r
+ case 3: return new Color(components[0], components[1], components[2]);\r
+ case 4: return new Color(components[0], components[1], components[2], components[3]);\r
+ default: return null;\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Layout graphical nodes based on bounds\r
+ */\r
+ public void layout() {\r
+ double w = bounds.getWidth();\r
+ double h = bounds.getHeight();\r
+ if ( titleNode != null ) {\r
+ titleNode.setSize(w, h * 0.02);\r
+ titleNode.setTranslate(0, VERT_MARGIN);\r
+ titleNode.layout();\r
+ }\r
+ \r
+ // Plot-Ruler area width \r
+ double praw = w-HORIZ_MARGIN*2;\r
+ \r
+ // Plot height\r
+ double ph = h-VERT_MARGIN*2-MILESTONE_HEIGHT-HORIZ_RULER_HEIGHT;\r
+ if ( titleNode != null ) {\r
+ ph -= titleNode.th;\r
+ }\r
+ \r
+ // Analog & Binary area height\r
+ double aah, bah;\r
+ if (!analogItems.isEmpty()) {\r
+ bah = binaryItems.size() * BINARY[3];\r
+ aah = Math.max(0, ph-bah);\r
+ if (aah+bah>ph) bah = ph-aah;\r
+ } else {\r
+ // No analog items\r
+ aah = 0;\r
+ bah = ph; \r
+ }\r
+ // Vertical ruler\r
+ for (VertRuler vertRuler : vertRulers) {\r
+ vertRuler.setHeight(aah);\r
+ vertRuler.layout();\r
+ }\r
+ plot.analogAreaHeight = aah;\r
+ plot.binaryAreaHeight = bah;\r
+\r
+ // Vertical ruler widths\r
+ double vrws = 0;\r
+ for (VertRuler vertRuler : vertRulers) {\r
+ vrws += vertRuler.getWidth();\r
+ }\r
+ \r
+ // Add room for Binary label\r
+ if ( !binaryItems.isEmpty() ) {\r
+ double maxLabelWidth = BINARY_LABEL_WIDTH;\r
+ for (ItemNode node : binaryItems) {\r
+ if (node.item != null) {\r
+ GlyphVector glyphVector = RULER_FONT.createGlyphVector(GridUtil.frc, node.item.label);\r
+ double labelWidth = glyphVector.getVisualBounds().getWidth();\r
+ maxLabelWidth = Math.max( maxLabelWidth, labelWidth );\r
+ }\r
+ }\r
+ vrws = Math.max(maxLabelWidth, vrws);\r
+ }\r
+ \r
+ // Plot Width\r
+ double pw = praw - vrws;\r
+ plot.setTranslate(HORIZ_MARGIN, (titleNode!=null?titleNode.th:0)+VERT_MARGIN+MILESTONE_HEIGHT);\r
+ plot.setSize(pw, ph);\r
+ \r
+ horizRuler.layout();\r
+ horizRuler.setTranslate(HORIZ_MARGIN, plot.getY()+plot.getHeight()+3);\r
+ boolean l = horizRuler.setWidth(pw);\r
+ l |= horizRuler.setFromEnd(horizRuler.from, horizRuler.end);\r
+ if (l) horizRuler.layout();\r
+ \r
+ // Move vertical rulers\r
+ double vrx = plot.getX() + plot.getWidth() + 3; \r
+ for (VertRuler vertRuler : vertRulers) {\r
+ vertRuler.setTranslate(vrx, plot.getY());\r
+ vrx += vertRuler.getWidth() + 3;\r
+ }\r
+ \r
+ }\r
+\r
+ public void setSize(double width, double height) {\r
+ bounds.setFrame(0, 0, width, height);\r
+ }\r
+ \r
+ @Override\r
+ public void render(Graphics2D g2d) {\r
+ // Set Quality High\r
+ QualityHints qh = QualityHints.getQuality(g2d);\r
+ g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, quality.textQuality==LineQuality.Antialias?RenderingHints.VALUE_TEXT_ANTIALIAS_ON:RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);\r
+ \r
+ // Set Bounds\r
+ Rectangle bounds = g2d.getClipBounds(); \r
+ if (bounds.getWidth()!=this.bounds.getWidth() || bounds.getHeight()!=this.bounds.getHeight()) {\r
+ setSize(bounds.getWidth(), bounds.getHeight());\r
+ layout();\r
+ }\r
+ \r
+ // Flush history subscriptions\r
+ flushHistory();\r
+\r
+ // Render children\r
+ super.render(g2d);\r
+ \r
+ // Render plot's value tip\r
+ plot.renderValueTip(g2d);\r
+ \r
+ // Restore quality\r
+ qh.setQuality(g2d);\r
+ }\r
+ \r
+ @Override\r
+ public Rectangle2D getBoundsInLocal() {\r
+ return bounds;\r
+ }\r
+ \r
+ /**\r
+ * Return true if the viewport is not moving and shows only past values \r
+ * @return\r
+ */\r
+ public boolean allPast() {\r
+ TimeWindow timeWindow = spec.viewProfile.timeWindow;\r
+ boolean fixedWindow = !horizRuler.autoscroll || (timeWindow.timeWindowStart!=null && timeWindow.timeWindowLength!=null);\r
+ if (fixedWindow) {\r
+ for (ItemNode item : allItems) {\r
+ if (item.end <= horizRuler.end) return false;\r
+ }\r
+ return true;\r
+ } else {\r
+ return false;\r
+ }\r
+ }\r
+\r
+ public void flushHistory() {\r
+ if (collector == null || collector instanceof CollectorImpl == false) return;\r
+ CollectorImpl fh = (CollectorImpl) collector;\r
+ fh.flush( itemIds );\r
+ }\r
+ \r
+ /**\r
+ * Read values of min,max,from,end to all items.\r
+ * Put iMin,iMax,iFrom,iEnd to all axes.\r
+ */\r
+ public void readMinMaxFromEnd() {\r
+ flushHistory();\r
+ // Read min,max,from,end from all items - Gather collective ranges\r
+ for (ItemNode item : allItems) {\r
+ item.readMinMaxFromEnd();\r
+ }\r
+ horizRuler.setKnownFromEnd();\r
+ for (VertRuler vertRuler : vertRulers) vertRuler.setKnownMinMax();\r
+ }\r
+\r
+ \r
+ \r
+ /**\r
+ * Flushes history, resets streams,\r
+ * reads the latest time and value ranges from disc.\r
+ * Scales the axes.\r
+ * Sets dirty true if there was change in axis.\r
+ */\r
+ public boolean autoscale(boolean timeAxis, boolean valueAxis) {\r
+ if (!timeAxis && !valueAxis) return false;\r
+\r
+ readMinMaxFromEnd();\r
+ boolean changed = false;\r
+ \r
+ // Time axis\r
+ if (timeAxis) {\r
+ changed |= horizRuler.autoscale();\r
+ if ( changed && !printing ) horizRuler.fireListener();\r
+ }\r
+\r
+ // Y-Axis\r
+ if (valueAxis) {\r
+ for (VertRuler vertRuler : vertRulers) changed |= vertRuler.autoscale();\r
+ } \r
+\r
+ return changed;\r
+ }\r
+\r
+ public boolean updateValueTipTime() {\r
+ if (valueTipTime != null && spec.experimentIsRunning && spec.viewProfile.trackExperimentTime) {\r
+ double endTime = horizRuler.getItemEndTime();\r
+ if (!Double.isNaN(endTime)) {\r
+ boolean changed = Double.compare(valueTipTime, endTime) != 0;\r
+ valueTipTime = endTime;\r
+ return changed;\r
+ }\r
+ }\r
+ return false;\r
+ }\r
+\r
+ public void zoomIn(double x, double y, double width, double height, boolean horiz, boolean vert) {\r
+ if (horiz) {\r
+ horizRuler.zoomIn(x, width);\r
+ }\r
+ \r
+ if (vert) {\r
+ for (VertRuler vertRuler : vertRulers) {\r
+ vertRuler.zoomIn(y, height);\r
+ }\r
+ }\r
+ shapedirty = true;\r
+ }\r
+ \r
+ public void zoomOut() {\r
+ horizRuler.zoomOut();\r
+ for (VertRuler vertRuler : vertRulers) {\r
+ vertRuler.zoomOut();\r
+ }\r
+ shapedirty = true;\r
+ }\r
+ \r
+ public TrendSpec getTrendSpec() {\r
+ return spec;\r
+ }\r
+\r
+ public Viewport getViewport() \r
+ {\r
+ Viewport vp = new Viewport();\r
+ vp.init();\r
+ vp.from = horizRuler.from;\r
+ vp.end = horizRuler.end;\r
+ for (VertRuler vr : vertRulers) {\r
+ AxisViewport avp = new AxisViewport();\r
+ avp.min = vr.min;\r
+ avp.max = vr.max;\r
+ vp.axesports.add( avp );\r
+ }\r
+ return vp;\r
+ }\r
+ \r
+ public void setViewport( Viewport vp ) \r
+ {\r
+ horizRuler.from = vp.from;\r
+ horizRuler.end = vp.end;\r
+ int i=0; \r
+ for ( AxisViewport avp : vp.axesports ) {\r
+ if ( i>=vertRulers.size() ) break;\r
+ VertRuler vr = vertRulers.get(i++);\r
+ vr.min = avp.min;\r
+ vr.max = avp.max;\r
+ }\r
+ }\r
+ \r
+ public void setQuality(TrendQualitySpec quality)\r
+ {\r
+ this.quality = quality;\r
+ }\r
+ \r
+ public TrendQualitySpec getQuality()\r
+ {\r
+ return quality;\r
+ }\r
+ \r
+ public Double snapToValue(double time, double snapToleranceInTime) throws HistoryException, AccessorException\r
+ {\r
+ double from = horizRuler.from;\r
+ double end = horizRuler.end;\r
+ double pixelsPerSecond = (end-from) / plot.getWidth();\r
+ \r
+ TreeSet<Double> values = new TreeSet<Double>(Bindings.DOUBLE);\r
+ for (ItemNode item : allItems) { \r
+ Stream s = item.openStream( pixelsPerSecond );\r
+ if ( s==null ) continue;\r
+ int pos = s.binarySearch(Bindings.DOUBLE, time);\r
+ ValueBand vb = new ValueBand(s.sampleBinding, s.sampleBinding.createDefaultUnchecked());\r
+ // Exact match\r
+ if (pos >= 0) {\r
+ return time;\r
+ }\r
+ \r
+ int prev = -pos-2;\r
+ int next = -pos-1;\r
+ int count = s.count(); \r
+ Double prevTime = null, nextTime = null;\r
+ \r
+ if ( prev>=0 && prev<count ) {\r
+ s.accessor.get(prev, s.sampleBinding, vb.getSample());\r
+ if ( !vb.isNanSample() ) {\r
+ prevTime = vb.getTimeDouble();\r
+ if ( vb.hasEndTime() ) {\r
+ Double nTime = vb.getEndTimeDouble();\r
+ if (nTime!=null && nTime+snapToleranceInTime>time) nextTime = nTime;\r
+ }\r
+ }\r
+ }\r
+ \r
+ if ( nextTime==null && next>=0 && next<count ) {\r
+ s.accessor.get(next, s.sampleBinding, vb.getSample());\r
+ if ( !vb.isNanSample() ) {\r
+ nextTime = vb.getTimeDouble();\r
+ }\r
+ }\r
+ \r
+ if (prevTime==null && nextTime==null) continue;\r
+ \r
+ if (prevTime==null) {\r
+ if ( nextTime - time < snapToleranceInTime ) \r
+ values.add(nextTime);\r
+ } else if (nextTime==null) {\r
+ if ( time - prevTime < snapToleranceInTime ) \r
+ values.add(prevTime);\r
+ } else {\r
+ values.add(nextTime);\r
+ values.add(prevTime);\r
+ }\r
+ }\r
+ if (values.isEmpty()) return null;\r
+ \r
+ Double lower = values.floor( time );\r
+ Double higher = values.ceiling( time );\r
+ \r
+ if ( lower == null ) return higher;\r
+ if ( higher == null ) return lower;\r
+ double result = time-lower < higher-time ? lower : higher;\r
+ \r
+ \r
+ return result;\r
+ \r
+ }\r
+ \r
+ \r
+}\r
Code Review / simantics / platform.git / blobdiff