/** * Returns a string for the tooltip. * * @param e * the mouse event. * * @return A tool tip or <code>null</code> if no tooltip is available. */ @Override public String getToolTipText(MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Insets insets = getInsets(); ChartEntity entity = entities.getEntity((int) ((e.getX() - insets.left) / this.scaleX), (int) ((e.getY() - insets.top) / this.scaleY)); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * Returns the chart entity at a given point. * <P> * This method will return null if there is (a) no entity at the given point, or (b) no entity * collection has been generated. * * @param viewX * the x-coordinate. * @param viewY * the y-coordinate. * * @return The chart entity (possibly <code>null</code>). */ @Override public ChartEntity getEntityForPoint(int viewX, int viewY) { ChartEntity result = null; if (this.info != null) { Insets insets = getInsets(); double x = (viewX - insets.left) / this.scaleX; double y = (viewY - insets.top) / this.scaleY; EntityCollection entities = this.info.getEntityCollection(); result = entities != null ? entities.getEntity(x, y) : null; } return result; }
/** * Returns the tooltip text. * * @param canvas the canvas that is displaying the chart. * @param x the x-coordinate of the mouse pointer. * @param y the y-coordinate of the mouse pointer. * * @return String The tooltip text (possibly {@code null}). */ private String getTooltipText(ChartCanvas canvas, double x, double y) { ChartRenderingInfo info = canvas.getRenderingInfo(); if (info == null) { return null; } EntityCollection entities = info.getEntityCollection(); if (entities == null) { return null; } ChartEntity entity = entities.getEntity(x, y); if (entity == null) { return null; } return entity.getToolTipText(); }
/** * Returns a string for the tooltip. * * @param e the mouse event. * * @return a tool tip or <code>null</code> if no tooltip is available. */ public String getToolTipText(MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Insets insets = getInsets(); ChartEntity entity = entities.getEntity( (int) ((e.getX() - insets.left) / this.scaleX), (int) ((e.getY() - insets.top) / this.scaleY) ); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * Creates an HTML image map. * * @param name the map name (<code>null</code> not permitted). * @param info the chart rendering info (<code>null</code> not permitted). * @param toolTipTagFragmentGenerator the tool tip generator. * @param urlTagFragmentGenerator the url generator. * * @return the map tag. */ public static String getImageMap(String name, ChartRenderingInfo info, ToolTipTagFragmentGenerator toolTipTagFragmentGenerator, URLTagFragmentGenerator urlTagFragmentGenerator) { StringBuffer sb = new StringBuffer(); sb.append("<MAP NAME=\"" + name + "\">"); sb.append(System.getProperty("line.separator")); EntityCollection entities = info.getEntityCollection(); if (entities != null) { Iterator iterator = entities.iterator(); while (iterator.hasNext()) { ChartEntity entity = (ChartEntity) iterator.next(); String area = entity.getImageMapAreaTag(toolTipTagFragmentGenerator, urlTagFragmentGenerator); if (area.length() > 0) { sb.append(area); sb.append(System.getProperty("line.separator")); } } } sb.append("</MAP>"); return sb.toString(); }
/** * Adds an entity to the collection. * * @param entities the entity collection being populated. * @param area the entity area (if <code>null</code> a default will be used). * @param entityX the entity's center x-coordinate in user space. * @param entityY the entity's center y-coordinate in user space. * @param dataset the dataset. * @param series the series. * @param item the item. */ protected void addEntity(EntityCollection entities, Shape area, XYDataset dataset, int series, int item, double entityX, double entityY) { if (area == null) { area = new Ellipse2D.Double( entityX - this.defaultEntityRadius, entityY - this.defaultEntityRadius, this.defaultEntityRadius * 2, this.defaultEntityRadius * 2 ); } String tip = null; XYToolTipGenerator generator = getToolTipGenerator(series, item); if (generator != null) { tip = generator.generateToolTip(dataset, series, item); } String url = null; if (getURLGenerator() != null) { url = getURLGenerator().generateURL(dataset, series, item); } XYItemEntity entity = new XYItemEntity(area, dataset, series, item, tip, url); entities.addEntity(entity); }
/** * Returns a string for the tooltip. * * @param e the mouse event. * * @return A tool tip or <code>null</code> if no tooltip is available. */ public String getToolTipText(org.eclipse.swt.events.MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Rectangle insets = getBounds(); ChartEntity entity = entities.getEntity( (int) ((e.x - insets.x) / this.scaleX), (int) ((e.y - insets.y) / this.scaleY)); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * Returns a string for the tooltip. * * @param e the mouse event. * * @return A tool tip or <code>null</code> if no tooltip is available. */ public String getToolTipText(MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Insets insets = getInsets(); ChartEntity entity = entities.getEntity( (int) ((e.getX() - insets.left) / this.scaleX), (int) ((e.getY() - insets.top) / this.scaleY)); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * Adds an entity to the collection. * * @param entities the entity collection being populated. * @param area the entity area (if <code>null</code> a default will be * used). * @param dataset the dataset. * @param series the series. * @param item the item. * @param entityX the entity's center x-coordinate in user space. * @param entityY the entity's center y-coordinate in user space. */ protected void addEntity(EntityCollection entities, Shape area, XYDataset dataset, int series, int item, double entityX, double entityY) { if (!getItemCreateEntity(series, item)) { return; } if (area == null) { area = new Ellipse2D.Double(entityX - this.defaultEntityRadius, entityY - this.defaultEntityRadius, this.defaultEntityRadius * 2, this.defaultEntityRadius * 2); } String tip = null; XYToolTipGenerator generator = getToolTipGenerator(series, item); if (generator != null) { tip = generator.generateToolTip(dataset, series, item); } String url = null; if (getURLGenerator() != null) { url = getURLGenerator().generateURL(dataset, series, item); } XYItemEntity entity = new XYItemEntity(area, dataset, series, item, tip, url); entities.add(entity); }
/** * Adds an entity with the specified hotspot. * * @param entities the entity collection. * @param dataset the dataset. * @param row the row index. * @param column the column index. * @param hotspot the hotspot. */ protected void addItemEntity(EntityCollection entities, CategoryDataset dataset, int row, int column, Shape hotspot) { String tip = null; CategoryToolTipGenerator tipster = getToolTipGenerator(row, column); if (tipster != null) { tip = tipster.generateToolTip(dataset, row, column); } String url = null; CategoryURLGenerator urlster = getItemURLGenerator(row, column); if (urlster != null) { url = urlster.generateURL(dataset, row, column); } CategoryItemEntity entity = new CategoryItemEntity(hotspot, tip, url, dataset, row, dataset.getColumnKey(column), column); entities.add(entity); }
/** * Returns a string for the tooltip. * * @param e the mouse event. * * @return A tool tip or <code>null</code> if no tooltip is available. */ public String getToolTipText(org.eclipse.swt.events.MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Rectangle insets = getClientArea(); ChartEntity entity = entities.getEntity( (int) ((e.x - insets.x) / this.scaleX), (int) ((e.y - insets.y) / this.scaleY)); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * A check to ensure that an item that falls outside the plot's data area * does NOT generate an item entity. */ @Test public void testNoDisplayedItem() { XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries s1 = new XYSeries("S1"); s1.add(10.0, 10.0); dataset.addSeries(s1); JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y", dataset, PlotOrientation.VERTICAL, false, true, false); XYPlot plot = (XYPlot) chart.getPlot(); plot.setRenderer(new StandardXYItemRenderer()); NumberAxis xAxis = (NumberAxis) plot.getDomainAxis(); xAxis.setRange(0.0, 5.0); NumberAxis yAxis = (NumberAxis) plot.getRangeAxis(); yAxis.setRange(0.0, 5.0); BufferedImage image = new BufferedImage(200 , 100, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); ChartRenderingInfo info = new ChartRenderingInfo(); chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, info); g2.dispose(); EntityCollection ec = info.getEntityCollection(); assertFalse(TestUtilities.containsInstanceOf(ec.getEntities(), XYItemEntity.class)); }
/** * Returns the tooltip text. * * @param canvas the canvas that is displaying the chart. * @param x the x-coordinate of the mouse pointer. * @param y the y-coordinate of the mouse pointer. * * @return String The tooltip text (possibly <code>null</code>). */ private String getTooltipText(ChartCanvas canvas, double x, double y) { ChartRenderingInfo info = canvas.getRenderingInfo(); if (info == null) { return null; } EntityCollection entities = info.getEntityCollection(); if (entities == null) { return null; } ChartEntity entity = entities.getEntity(x, y); if (entity == null) { return null; } return entity.getToolTipText(); }
/** * Returns a string for the tooltip. * * @param e the mouse event. * * @return A tool tip or <code>null</code> if no tooltip is available. */ @Override public String getToolTipText(MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Insets insets = getInsets(); ChartEntity entity = entities.getEntity( (int) ((e.getX() - insets.left) / this.scaleX), (int) ((e.getY() - insets.top) / this.scaleY)); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * Adds an entity with the specified hotspot. * * @param entities the entity collection. * @param dataset the dataset. * @param row the row index. * @param column the column index. * @param hotspot the hotspot (<code>null</code> not permitted). */ protected void addItemEntity(EntityCollection entities, CategoryDataset dataset, int row, int column, Shape hotspot) { ParamChecks.nullNotPermitted(hotspot, "hotspot"); if (!getItemCreateEntity(row, column)) { return; } String tip = null; CategoryToolTipGenerator tipster = getToolTipGenerator(row, column); if (tipster != null) { tip = tipster.generateToolTip(dataset, row, column); } String url = null; CategoryURLGenerator urlster = getItemURLGenerator(row, column); if (urlster != null) { url = urlster.generateURL(dataset, row, column); } CategoryItemEntity entity = new CategoryItemEntity(hotspot, tip, url, dataset, dataset.getRowKey(row), dataset.getColumnKey(column)); entities.add(entity); }
/** * Returns a string for the tooltip. * * @param e the mouse event. * * @return A tool tip or {@code null} if no tooltip is available. */ @Override public String getToolTipText(MouseEvent e) { String result = null; if (this.info != null) { EntityCollection entities = this.info.getEntityCollection(); if (entities != null) { Insets insets = getInsets(); ChartEntity entity = entities.getEntity( (int) ((e.getX() - insets.left) / this.scaleX), (int) ((e.getY() - insets.top) / this.scaleY)); if (entity != null) { result = entity.getToolTipText(); } } } return result; }
/** * Adds an entity with the specified hotspot. * * @param entities the entity collection. * @param dataset the dataset. * @param row the row index. * @param column the column index. * @param hotspot the hotspot ({@code null} not permitted). */ protected void addItemEntity(EntityCollection entities, CategoryDataset dataset, int row, int column, Shape hotspot) { Args.nullNotPermitted(hotspot, "hotspot"); if (!getItemCreateEntity(row, column)) { return; } String tip = null; CategoryToolTipGenerator tipster = getToolTipGenerator(row, column); if (tipster != null) { tip = tipster.generateToolTip(dataset, row, column); } String url = null; CategoryURLGenerator urlster = getItemURLGenerator(row, column); if (urlster != null) { url = urlster.generateURL(dataset, row, column); } CategoryItemEntity entity = new CategoryItemEntity(hotspot, tip, url, dataset, dataset.getRowKey(row), dataset.getColumnKey(column)); entities.add(entity); }
/** * A check to ensure that an item that falls outside the plot's data area * does NOT generate an item entity. */ @Test public void testNoDisplayedItem() { XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries s1 = new XYSeries("S1"); s1.add(10.0, 10.0); dataset.addSeries(s1); JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y", dataset, PlotOrientation.VERTICAL, false, true, false); XYPlot plot = (XYPlot) chart.getPlot(); plot.setRenderer(new StandardXYItemRenderer()); NumberAxis xAxis = (NumberAxis) plot.getDomainAxis(); xAxis.setRange(0.0, 5.0); NumberAxis yAxis = (NumberAxis) plot.getRangeAxis(); yAxis.setRange(0.0, 5.0); BufferedImage image = new BufferedImage(200 , 100, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); ChartRenderingInfo info = new ChartRenderingInfo(); chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, info); g2.dispose(); EntityCollection ec = info.getEntityCollection(); assertFalse(TestUtils.containsInstanceOf(ec.getEntities(), XYItemEntity.class)); }
/** * Find chartentities like JFreeChartEntity, AxisEntity, PlotEntity, TitleEntity, XY... * * @param chartPanel * @param x * @param y * @return */ private ChartEntity findChartEntity(ChartPanel chartPanel, MouseEvent e) { // coordinates to find chart entities Insets insets = chartPanel.getInsets(); int x = (int) ((e.getX() - insets.left) / chartPanel.getScaleX()); int y = (int) ((e.getY() - insets.top) / chartPanel.getScaleY()); if (lastEntity != null && x == lastEntityX && y == lastEntityY) return lastEntity; else { ChartRenderingInfo info = chartPanel.getChartRenderingInfo(); ChartEntity entity = null; if (info != null) { EntityCollection entities = info.getEntityCollection(); if (entities != null) { entity = entities.getEntity(x, y); } } return entity; } }
/** * Returns a list of the entities at the given x, y view location. * * @param viewX the x location * @param viewY the y location * @return a list of the entities */ public ArrayList<ChartEntity> getEntitiesForPoint(int viewX, int viewY) { ArrayList<ChartEntity> entitiesForPoint = new ArrayList<ChartEntity>(); ChartRenderingInfo info = chartPanel.getChartRenderingInfo(); if (info != null) { Insets insets = chartPanel.getInsets(); double x = (viewX - insets.left) / chartPanel.getScaleX(); double y = (viewY - insets.top) / chartPanel.getScaleY(); EntityCollection allEntities = info.getEntityCollection(); int numEntities = allEntities.getEntityCount(); for (int i = 0; i < numEntities; i++) { ChartEntity entity = allEntities.getEntity(i); if (entity.getArea().contains(x, y)) { entitiesForPoint.add(entity); } } } return entitiesForPoint; }
/** * Adds an entity with the specified hotspot. * * @param entities the entity collection. * @param dataset the dataset. * @param row the row index. * @param column the column index. * @param hotspot the hotspot. */ protected void addItemEntity(EntityCollection entities, CategoryDataset dataset, int row, int column, Shape hotspot) { String tip = null; CategoryToolTipGenerator tipster = getToolTipGenerator(row, column); if (tipster != null) { tip = tipster.generateToolTip(dataset, row, column); } String url = null; CategoryURLGenerator urlster = getItemURLGenerator(row, column); if (urlster != null) { url = urlster.generateURL(dataset, row, column); } CategoryItemEntity entity = new CategoryItemEntity(hotspot, tip, url, dataset, dataset.getRowKey(row), dataset.getColumnKey(column)); entities.add(entity); }
/** * Adds an entity with the specified hotspot. * * @param entities the entity collection. * @param dataset the dataset. * @param row the row index. * @param column the column index. * @param hotspot the hotspot (<code>null</code> not permitted). */ protected void addItemEntity(EntityCollection entities, CategoryDataset dataset, int row, int column, Shape hotspot) { if (hotspot == null) { throw new IllegalArgumentException("Null 'hotspot' argument."); } if (!getItemCreateEntity(row, column)) { return; } String tip = null; CategoryToolTipGenerator tipster = getToolTipGenerator(row, column); if (tipster != null) { tip = tipster.generateToolTip(dataset, row, column); } String url = null; CategoryURLGenerator urlster = getItemURLGenerator(row, column); if (urlster != null) { url = urlster.generateURL(dataset, row, column); } CategoryItemEntity entity = new CategoryItemEntity(hotspot, tip, url, dataset, dataset.getRowKey(row), dataset.getColumnKey(column)); entities.add(entity); }