package de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.util.ArrayList;
import java.util.Iterator;
import org.apache.batik.util.SVGConstants;
import org.w3c.dom.Element;
import de.lmu.ifi.dbs.elki.data.ClassLabel;
import de.lmu.ifi.dbs.elki.data.ExternalID;
import de.lmu.ifi.dbs.elki.data.LabelList;
import de.lmu.ifi.dbs.elki.data.NumberVector;
import de.lmu.ifi.dbs.elki.database.ids.DBID;
import de.lmu.ifi.dbs.elki.database.relation.Relation;
import de.lmu.ifi.dbs.elki.result.HierarchicalResult;
import de.lmu.ifi.dbs.elki.result.Result;
import de.lmu.ifi.dbs.elki.result.ResultUtil;
import de.lmu.ifi.dbs.elki.utilities.iterator.IterableUtil;
import de.lmu.ifi.dbs.elki.visualization.VisualizationTask;
import de.lmu.ifi.dbs.elki.visualization.css.CSSClass;
import de.lmu.ifi.dbs.elki.visualization.projector.ScatterPlotProjector;
import de.lmu.ifi.dbs.elki.visualization.style.StyleLibrary;
import de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot;
import de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisFactory;
import de.lmu.ifi.dbs.elki.visualization.visualizers.Visualization;
/**
* Generates a SVG-Element containing Tooltips. Tooltips remain invisible until
* their corresponding Marker is touched by the cursor and stay visible as long
* as the cursor lingers on the marker.
*
* @author Remigius Wojdanowski
* @author Erich Schubert
*
* @apiviz.has Relation oneway - - visualizes
*
* @param <NV> Data type visualized.
*/
public class TooltipStringVisualization<NV extends NumberVector<NV, ?>> extends AbstractTooltipVisualization<NV> {
/**
* A short name characterizing this Visualizer.
*/
public static final String NAME_ID = "ID Tooltips";
/**
* A short name characterizing this Visualizer.
*/
public static final String NAME_LABEL = "Object Label Tooltips";
/**
* A short name characterizing this Visualizer.
*/
public static final String NAME_CLASS = "Class Label Tooltips";
/**
* A short name characterizing this Visualizer.
*/
public static final String NAME_EID = "External ID Tooltips";
/**
* Number value to visualize
*/
private Relation<?> result;
/**
* Font size to use.
*/
private double fontsize;
/**
* Constructor.
*
* @param task Task
*/
public TooltipStringVisualization(VisualizationTask task) {
super(task);
this.result = task.getResult();
this.fontsize = 3 * context.getStyleLibrary().getTextSize(StyleLibrary.PLOT);
synchronizedRedraw();
}
@Override
protected Element makeTooltip(DBID id, double x, double y, double dotsize) {
final Object data = result.get(id);
String label;
if(data == null) {
label = "null";
}
else {
label = data.toString();
}
if(label == "" || label == null) {
label = "null";
}
return svgp.svgText(x + dotsize, y + fontsize * 0.07, label);
}
/**
* Registers the Tooltip-CSS-Class at a SVGPlot.
*
* @param svgp the SVGPlot to register the Tooltip-CSS-Class.
*/
@Override
protected void setupCSS(SVGPlot svgp) {
final StyleLibrary style = context.getStyleLibrary();
final double fontsize = style.getTextSize(StyleLibrary.PLOT);
final String fontfamily = style.getFontFamily(StyleLibrary.PLOT);
CSSClass tooltiphidden = new CSSClass(svgp, TOOLTIP_HIDDEN);
tooltiphidden.setStatement(SVGConstants.CSS_FONT_SIZE_PROPERTY, fontsize);
tooltiphidden.setStatement(SVGConstants.CSS_FONT_FAMILY_PROPERTY, fontfamily);
tooltiphidden.setStatement(SVGConstants.CSS_DISPLAY_PROPERTY, SVGConstants.CSS_NONE_VALUE);
svgp.addCSSClassOrLogError(tooltiphidden);
CSSClass tooltipvisible = new CSSClass(svgp, TOOLTIP_VISIBLE);
tooltipvisible.setStatement(SVGConstants.CSS_FONT_SIZE_PROPERTY, fontsize);
tooltipvisible.setStatement(SVGConstants.CSS_FONT_FAMILY_PROPERTY, fontfamily);
svgp.addCSSClassOrLogError(tooltipvisible);
CSSClass tooltipsticky = new CSSClass(svgp, TOOLTIP_STICKY);
tooltipsticky.setStatement(SVGConstants.CSS_FONT_SIZE_PROPERTY, fontsize);
tooltipsticky.setStatement(SVGConstants.CSS_FONT_FAMILY_PROPERTY, fontfamily);
svgp.addCSSClassOrLogError(tooltipsticky);
// invisible but sensitive area for the tooltip activator
CSSClass tooltiparea = new CSSClass(svgp, TOOLTIP_AREA);
tooltiparea.setStatement(SVGConstants.CSS_FILL_PROPERTY, SVGConstants.CSS_RED_VALUE);
tooltiparea.setStatement(SVGConstants.CSS_STROKE_PROPERTY, SVGConstants.CSS_NONE_VALUE);
tooltiparea.setStatement(SVGConstants.CSS_FILL_OPACITY_PROPERTY, "0");
tooltiparea.setStatement(SVGConstants.CSS_CURSOR_PROPERTY, SVGConstants.CSS_POINTER_VALUE);
svgp.addCSSClassOrLogError(tooltiparea);
}
/**
* Factory
*
* @author Erich Schubert
*
* @apiviz.stereotype factory
* @apiviz.uses TooltipStringVisualization oneway - - «create»
*
* @param <NV>
*/
public static class Factory<NV extends NumberVector<NV, ?>> extends AbstractVisFactory {
/**
* Constructor, adhering to
* {@link de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable}
*/
public Factory() {
super();
}
@Override
public Visualization makeVisualization(VisualizationTask task) {
return new TooltipStringVisualization<NV>(task);
}
@Override
public void processNewResult(HierarchicalResult baseResult, Result result) {
ArrayList<Relation<?>> reps = ResultUtil.filterResults(result, Relation.class);
for(Relation<?> rep : reps) {
if(DBID.class.isAssignableFrom(rep.getDataTypeInformation().getRestrictionClass())) {
Iterator<ScatterPlotProjector<?>> ps = ResultUtil.filteredResults(baseResult, ScatterPlotProjector.class);
for(ScatterPlotProjector<?> p : IterableUtil.fromIterator(ps)) {
final VisualizationTask task = new VisualizationTask(NAME_ID, rep, p.getRelation(), this);
task.put(VisualizationTask.META_TOOL, true);
baseResult.getHierarchy().add(rep, task);
baseResult.getHierarchy().add(p, task);
}
}
if(ClassLabel.class.isAssignableFrom(rep.getDataTypeInformation().getRestrictionClass())) {
Iterator<ScatterPlotProjector<?>> ps = ResultUtil.filteredResults(baseResult, ScatterPlotProjector.class);
for(ScatterPlotProjector<?> p : IterableUtil.fromIterator(ps)) {
final VisualizationTask task = new VisualizationTask(NAME_CLASS, rep, p.getRelation(), this);
task.put(VisualizationTask.META_TOOL, true);
baseResult.getHierarchy().add(rep, task);
baseResult.getHierarchy().add(p, task);
}
}
if(LabelList.class.isAssignableFrom(rep.getDataTypeInformation().getRestrictionClass())) {
Iterator<ScatterPlotProjector<?>> ps = ResultUtil.filteredResults(baseResult, ScatterPlotProjector.class);
for(ScatterPlotProjector<?> p : IterableUtil.fromIterator(ps)) {
final VisualizationTask task = new VisualizationTask(NAME_LABEL, rep, p.getRelation(), this);
task.put(VisualizationTask.META_TOOL, true);
baseResult.getHierarchy().add(rep, task);
baseResult.getHierarchy().add(p, task);
}
}
if(ExternalID.class.isAssignableFrom(rep.getDataTypeInformation().getRestrictionClass())) {
Iterator<ScatterPlotProjector<?>> ps = ResultUtil.filteredResults(baseResult, ScatterPlotProjector.class);
for(ScatterPlotProjector<?> p : IterableUtil.fromIterator(ps)) {
final VisualizationTask task = new VisualizationTask(NAME_EID, rep, p.getRelation(), this);
task.put(VisualizationTask.META_TOOL, true);
baseResult.getHierarchy().add(rep, task);
baseResult.getHierarchy().add(p, task);
}
}
}
}
}
}