Java Code Examples for org.jfree.chart.plot.PlotRenderingInfo#getOwner()
The following examples show how to use
org.jfree.chart.plot.PlotRenderingInfo#getOwner() .
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Example 1
Source File: AbstractXYItemRenderer.java From astor with GNU General Public License v2.0 | 6 votes |
/** * Initialises the renderer and returns a state object that should be * passed to all subsequent calls to the drawItem() method. * <P> * This method will be called before the first item is rendered, giving the * renderer an opportunity to initialise any state information it wants to * maintain. The renderer can do nothing if it chooses. * * @param g2 the graphics device. * @param dataArea the area inside the axes. * @param plot the plot. * @param dataset the dataset. * @param info an optional info collection object to return data back to * the caller. * * @return The renderer state (never <code>null</code>). */ public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset dataset, PlotRenderingInfo info) { XYItemRendererState state = createState(info); // determine if there is any selection state for the dataset XYDatasetSelectionState selectionState = null; if (dataset instanceof SelectableXYDataset) { SelectableXYDataset sxyd = (SelectableXYDataset) dataset; selectionState = sxyd.getSelectionState(); } // if the selection state is still null, go to the selection source // and ask if it has state... if (selectionState == null && info != null) { ChartRenderingInfo cri = info.getOwner(); if (cri != null) { RenderingSource rs = cri.getRenderingSource(); selectionState = (XYDatasetSelectionState) rs.getSelectionState(dataset); } } state.setSelectionState(selectionState); return state; }
Example 2
Source File: XYLineAndShapeRenderer.java From openstock with GNU General Public License v3.0 | 5 votes |
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // first pass draws the background (lines, for instance) if (isLinePass(pass)) { if (getItemLineVisible(series, item)) { if (this.drawSeriesLineAsPath) { drawPrimaryLineAsPath(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } else { drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } } } // second pass adds shapes where the items are .. else if (isItemPass(pass)) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null && info.getOwner() != null) { entities = info.getOwner().getEntityCollection(); } drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis, crosshairState, entities); } }
Example 3
Source File: Axis.java From openstock with GNU General Public License v3.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we can't save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }
Example 4
Source File: XYLineAndShapeRenderer.java From ccu-historian with GNU General Public License v3.0 | 5 votes |
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // first pass draws the background (lines, for instance) if (isLinePass(pass)) { if (getItemLineVisible(series, item)) { if (this.drawSeriesLineAsPath) { drawPrimaryLineAsPath(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } else { drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } } } // second pass adds shapes where the items are .. else if (isItemPass(pass)) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null && info.getOwner() != null) { entities = info.getOwner().getEntityCollection(); } drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis, crosshairState, entities); } }
Example 5
Source File: Axis.java From ccu-historian with GNU General Public License v3.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we can't save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }
Example 6
Source File: XYLineAndShapeRenderer.java From SIMVA-SoS with Apache License 2.0 | 5 votes |
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // first pass draws the background (lines, for instance) if (isLinePass(pass)) { if (getItemLineVisible(series, item)) { if (this.drawSeriesLineAsPath) { drawPrimaryLineAsPath(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } else { drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } } } // second pass adds shapes where the items are .. else if (isItemPass(pass)) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null && info.getOwner() != null) { entities = info.getOwner().getEntityCollection(); } drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis, crosshairState, entities); } }
Example 7
Source File: Axis.java From SIMVA-SoS with Apache License 2.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we can't save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }
Example 8
Source File: JGenProg2017_006_t.java From coming with MIT License | 5 votes |
/** * Draws the axis label. * * @param label the label text. * @param g2 the graphics device. * @param plotArea the plot area. * @param dataArea the area inside the axes. * @param edge the location of the axis. * @param state the axis state (<code>null</code> not permitted). * @param plotState the plot state (<code>null</code> permitted). * * @return Information about the axis. */ protected AxisState drawLabel(String label, Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state, PlotRenderingInfo plotState) { // it is unlikely that 'state' will be null, but check anyway... if (state == null) { throw new IllegalArgumentException("Null 'state' argument."); } if ((label == null) || (label.equals(""))) { return state; } Font font = getLabelFont(); RectangleInsets insets = getLabelInsets(); g2.setFont(font); g2.setPaint(getLabelPaint()); FontMetrics fm = g2.getFontMetrics(); Rectangle2D labelBounds = TextUtilities.getTextBounds(label, g2, fm); Shape hotspot = null; if (plotState != null && hotspot != null) { ChartRenderingInfo owner = plotState.getOwner(); EntityCollection entities = owner.getEntityCollection(); if (entities != null) { entities.add(new AxisLabelEntity(this, hotspot, this.labelToolTip, this.labelURL)); } } return state; }
Example 9
Source File: XYLineAndShapeRenderer.java From ECG-Viewer with GNU General Public License v2.0 | 5 votes |
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // first pass draws the background (lines, for instance) if (isLinePass(pass)) { if (getItemLineVisible(series, item)) { if (this.drawSeriesLineAsPath) { drawPrimaryLineAsPath(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } else { drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } } } // second pass adds shapes where the items are .. else if (isItemPass(pass)) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null && info.getOwner() != null) { entities = info.getOwner().getEntityCollection(); } drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis, crosshairState, entities); } }
Example 10
Source File: Axis.java From ECG-Viewer with GNU General Public License v2.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we can't save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }
Example 11
Source File: XYLineAndShapeRenderer.java From astor with GNU General Public License v2.0 | 5 votes |
/** * Initialises the renderer. * <P> * This method will be called before the first item is rendered, giving the * renderer an opportunity to initialise any state information it wants to * maintain. The renderer can do nothing if it chooses. * * @param g2 the graphics device. * @param dataArea the area inside the axes. * @param plot the plot. * @param dataset the dataset. * @param info an optional info collection object to return data back to * the caller. * * @return The renderer state. */ public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset dataset, PlotRenderingInfo info) { State state = new State(info); state.seriesPath = new GeneralPath(); // determine if there is any selection state for the dataset XYDatasetSelectionState selectionState = null; if (dataset instanceof SelectableXYDataset) { SelectableXYDataset sxyd = (SelectableXYDataset) dataset; selectionState = sxyd.getSelectionState(); } // if the selection state is still null, go to the selection source // and ask if it has state... if (selectionState == null && info != null) { ChartRenderingInfo cri = info.getOwner(); if (cri != null) { RenderingSource rs = cri.getRenderingSource(); if (rs != null) { selectionState = (XYDatasetSelectionState) rs.getSelectionState(dataset); } } } state.setSelectionState(selectionState); return state; }
Example 12
Source File: Axis.java From astor with GNU General Public License v2.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we canĀ“t save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }
Example 13
Source File: XYLineAndShapeRenderer.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // first pass draws the background (lines, for instance) if (isLinePass(pass)) { if (getItemLineVisible(series, item)) { if (this.drawSeriesLineAsPath) { drawPrimaryLineAsPath(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } else { drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } } } // second pass adds shapes where the items are .. else if (isItemPass(pass)) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null && info.getOwner() != null) { entities = info.getOwner().getEntityCollection(); } drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis, crosshairState, entities); } }
Example 14
Source File: Axis.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we can't save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }
Example 15
Source File: XYLineAndShapeRenderer.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // first pass draws the background (lines, for instance) if (isLinePass(pass)) { if (getItemLineVisible(series, item)) { if (this.drawSeriesLineAsPath) { drawPrimaryLineAsPath(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } else { drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea); } } } // second pass adds shapes where the items are .. else if (isItemPass(pass)) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null && info.getOwner() != null) { entities = info.getOwner().getEntityCollection(); } drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis, crosshairState, entities); } }
Example 16
Source File: Axis.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
/** * Created an entity for the axis. * * @param cursor the initial cursor value. * @param state the axis state after completion of the drawing with a * possibly updated cursor position. * @param dataArea the data area. * @param edge the edge. * @param plotState the PlotRenderingInfo from which a reference to the * entity collection can be obtained. * * @since 1.0.13 */ protected void createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) { if (plotState == null || plotState.getOwner() == null) { return; // no need to create entity if we can't save it anyways... } Rectangle2D hotspot = null; if (edge.equals(RectangleEdge.TOP)) { hotspot = new Rectangle2D.Double(dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor()); } else if (edge.equals(RectangleEdge.BOTTOM)) { hotspot = new Rectangle2D.Double(dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor); } else if (edge.equals(RectangleEdge.LEFT)) { hotspot = new Rectangle2D.Double(state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight()); } else if (edge.equals(RectangleEdge.RIGHT)) { hotspot = new Rectangle2D.Double(cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight()); } EntityCollection e = plotState.getOwner().getEntityCollection(); if (e != null) { e.add(new AxisEntity(hotspot, this)); } }