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org.hl7.fhir.r5.renderers.ClassDiagramRenderer Maven / Gradle / Ivy
package org.hl7.fhir.r5.renderers;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.r5.conformance.profile.ProfileUtilities;
import org.hl7.fhir.r5.conformance.profile.SnapshotGenerationPreProcessor;
import org.hl7.fhir.r5.context.ContextUtilities;
import org.hl7.fhir.r5.context.IWorkerContext;
import org.hl7.fhir.r5.model.CanonicalType;
import org.hl7.fhir.r5.model.CodeableConcept;
import org.hl7.fhir.r5.model.Coding;
import org.hl7.fhir.r5.model.DataType;
import org.hl7.fhir.r5.model.ElementDefinition;
import org.hl7.fhir.r5.model.ElementDefinition.ElementDefinitionBindingComponent;
import org.hl7.fhir.r5.model.ElementDefinition.TypeRefComponent;
import org.hl7.fhir.r5.model.Enumerations.BindingStrength;
import org.hl7.fhir.r5.model.Quantity;
import org.hl7.fhir.r5.model.StructureDefinition;
import org.hl7.fhir.r5.model.StructureDefinition.StructureDefinitionKind;
import org.hl7.fhir.r5.model.ValueSet;
import org.hl7.fhir.r5.renderers.utils.RenderingContext;
import org.hl7.fhir.r5.renderers.utils.RenderingContext.KnownLinkType;
import org.hl7.fhir.r5.utils.ToolingExtensions;
import org.hl7.fhir.r5.utils.UserDataNames;
import org.hl7.fhir.utilities.CommaSeparatedStringBuilder;
import org.hl7.fhir.utilities.FileUtilities;
import org.hl7.fhir.utilities.StandardsStatus;
import org.hl7.fhir.utilities.Utilities;
import org.hl7.fhir.utilities.VersionUtilities;
import org.hl7.fhir.utilities.json.model.JsonElement;
import org.hl7.fhir.utilities.json.model.JsonObject;
import org.hl7.fhir.utilities.xhtml.NodeType;
import org.hl7.fhir.utilities.xhtml.XhtmlComposer;
import org.hl7.fhir.utilities.xhtml.XhtmlNode;
import org.hl7.fhir.utilities.xml.XMLUtil;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;
public class ClassDiagramRenderer {
public class LinkInfo {
private boolean use;
private String pathData;
private String diamondTransform;
private String diamondPoints;
}
private static final String SLICE_COLOR = "#62A856";
public enum ClassItemMode {
NORMAL, SLICE;
}
private static final double CHAR_RATIO = 4.4;
public static class PointSpec {
private double x;
private double y;
public PointSpec(double x, double y) {
super();
this.x = x;
this.y = y;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
}
private RenderingContext rc;
private IWorkerContext context;
private ContextUtilities cutils;
private ProfileUtilities putils;
private Map layout;
private Map linkLayouts;
private String sourceFolder;
private String destFolder;
private double minx = 0;
private double miny = 0;
private String prefix;
private String diagramId;
private Map classes = new HashMap();
private boolean attributes;
private boolean innerClasses;
private boolean constraintMode;
private int nc = 0;
private List classNames = new ArrayList();
/**
*
* @param sourceFolder - where to look for existing designs
* @param destFolder - where to generate .svg and .html for diagram review
* @param diagramId - the id of the diagram (goes in the filenames and the diagram itself)
* @param prefix - a prefix to put on all ids to ensure anchor names don't clash.
* @param rc - rendering context
* @param json - json control file with diagram details
*
* @throws IOException
*/
public ClassDiagramRenderer(String sourceFolder, String destFolder, String diagramId, String prefix, RenderingContext rc) throws IOException {
this.sourceFolder = sourceFolder;
this.destFolder = destFolder;
this.rc = rc;
this.context = rc.getContext();
this.cutils = rc.getContextUtilities();
this.putils = rc.getProfileUtilities();
File f = new File(destFolder);
if (!f.exists()) {
FileUtilities.createDirectory(destFolder);
}
layout = new HashMap();
linkLayouts = new HashMap();
if (diagramId == null) {
throw new Error("An id is required");
}
this.diagramId = diagramId;
this.prefix = (prefix == null ? "" : prefix);
}
public boolean hasSource() {
try {
File f = new File(Utilities.path(sourceFolder, diagramId+".svg"));
return f.exists();
} catch (IOException e) {
return false;
}
}
public String buildClassDiagram(JsonObject control) throws Exception {
File f = new File(Utilities.path(sourceFolder, diagramId+".svg"));
if (f.exists()) {
parseSvgFile(f, f.getAbsolutePath());
}
attributes = control.asBoolean("attributes");
innerClasses = !control.asBoolean("no-inner-classes");
classNames = control.forceArray("classes").asStrings();
XhtmlNode doc = new XhtmlNode(NodeType.Element, "div");
XhtmlNode svg = doc.svg();
minx = 0;
miny = 0;
Point size = determineMetrics(classNames);
adjustAllForMin(size);
svg.attribute("id", prefix+"n"+(++nc));
svg.attribute("version", "1.1");
svg.attribute("width", Integer.toString(Utilities.parseInt(control.forceObject("size").asString("width"), (int) size.x)));
svg.attribute("height", Integer.toString(Utilities.parseInt(control.forceObject("size").asString("height"), (int) size.y)));
shadowFilter(svg);
drawElement(svg, classNames);
countDuplicateLinks();
XhtmlNode insertionPoint = svg.getChildNodes().get(0);
for (Link l : links) {
drawLink(svg, l, insertionPoint);
}
String s = new XhtmlComposer(true, true).compose(doc.getChildNodes());
produceOutput("\n"+s);
return s;
}
public String buildClassDiagram(StructureDefinition sd) throws FHIRException, IOException {
File f = new File(Utilities.path(sourceFolder, diagramId+".svg"));
if (f.exists()) {
parseSvgFile(f, f.getAbsolutePath());
}
attributes = true;
innerClasses = true;
classNames.add(sd.getName());
XhtmlNode doc = new XhtmlNode(NodeType.Element, "div");
XhtmlNode svg = doc.svg();
minx = 0;
miny = 0;
Point size = determineClassMetrics(sd);
adjustAllForMin(size);
svg.attribute("id", prefix+"n"+(++nc));
svg.attribute("version", "1.1");
svg.attribute("width", Double.toString(size.x));
svg.attribute("height", Double.toString(size.y));
shadowFilter(svg);
drawClassElement(svg, sd);
countDuplicateLinks();
XhtmlNode insertionPoint = svg.getChildNodes().get(0);
for (Link l : links) {
drawLink(svg, l, insertionPoint);
}
String s = new XhtmlComposer(true, true).compose(doc.getChildNodes());
produceOutput("\n"+s);
return s;
}
private void produceOutput(String s) throws IOException {
if ("".equals(prefix)) {
String svg = standaloneSVG(s);
String html = "\n"
+ "\n"
+ "\n"
+ " \n"
+ " "+diagramId+" Class Diagram \n"
+ " Embedded SVG \n"
+ s+"\r\n"
+ " External SVG \n"
+ " \n"
+ " \n"
+ "";
FileUtilities.stringToFile(svg, Utilities.path(destFolder, diagramId+".svg"));
FileUtilities.stringToFile(html, Utilities.path(destFolder, diagramId+".html"));
}
}
private String standaloneSVG(String s) {
String css = "";
int i = s.indexOf(">")+1;
s = s.substring(0, i)+css+s.substring(i);
return s;
}
private void countDuplicateLinks() {
for (int i = 0; i < links.size(); i++) {
Link l = links.get(i);
if (l.count == 0) {
int c = 0;
for (int j = i+1; j < links.size(); j++) {
Link l2 = links.get(j);
if ((l2.source == l.source && l2.target == l.target) ||
(l2.source == l.target && l2.target == l.source))
c++;
}
l.count = c;
if (c > 0) {
int k = 0;
for (int j = i+1; j < links.size(); j++) {
Link l2 = links.get(j);
if ((l2.source == l.source && l2.target == l.target) ||
(l2.source == l.target && l2.target == l.source) ) {
k++;
l2.count = c;
l2.index = k;
}
}
}
}
}
}
private void adjustAllForMin(Point size) {
size.x = size.x - minx;
size.y = size.y - miny;
for (ClassItem t : classes.values()) {
t.left = t.left - minx;
t.top = t.top - miny;
}
}
private void shadowFilter(XhtmlNode svg) throws IOException {
var defs = svg.addTag("defs");
var filter = defs.addTag("filter").attribute("id", prefix+"shadow"+diagramId).attribute("x", "0").attribute("y", "0").attribute("width", "200%").attribute("height", "200%");
var feOffset = filter.addTag("feOffset").attribute("result", "offOut").attribute("in", "SourceGraphic").attribute("dx", "3").attribute("dy", "3");
var feColorMatrix = filter.addTag("feColorMatrix").attribute("result", "matrixOut").attribute("in", "offOut").attribute("type", "matrix").attribute("values", "0.2 0 0 0 0 0 0.2 0 0 0 0 0 0.2 0 0 0 0 0 1 0");
var feGaussianBlur = filter.addTag("feGaussianBlur").attribute("result", "blurOut").attribute("in", "matrixOut").attribute("stdDeviation", "2");
var feBlend = filter.addTag("feBlend").attribute("in", "SourceGraphic").attribute("in2", "blurOut").attribute("mode", "normal");
}
private void parseSvgFile(File f, String name) throws FHIRException, IOException {
Document svg;
try {
svg = XMLUtil.parseFileToDom(f.getAbsolutePath());
} catch (ParserConfigurationException | SAXException | IOException e) {
throw new IOException(e);
}
readElement(svg.getDocumentElement(), null);
fixLayout();
}
private void fixLayout() {
double minx = Integer.MAX_VALUE;
double miny = Integer.MAX_VALUE;
for (PointSpec ps : layout.values()) {
if (ps.getX() < minx) {
minx = ps.getX();
}
if (ps.getY() < miny) {
miny = ps.getY();
}
}
for (String n : layout.keySet()) {
PointSpec ps = layout.get(n);
PointSpec nps = new PointSpec(ps.getX() - minx, ps.getY() - miny);
layout.put(n, nps);
}
}
private void readElement(Element e, Element p) {
String id = e.getAttribute("id");
if (!Utilities.noString(id) && Character.isUpperCase(id.charAt(0))) {
switch (e.getNodeName()) {
case "rect":
case "text":
double x = Double.valueOf(e.getAttribute("x"));
double y = Double.valueOf(e.getAttribute("y"));
if (p.hasAttribute("transform")) {
String s = p.getAttribute("transform");
if (s.startsWith("translate(")) {
String[] sp = s.substring(10, s.length()-1).split("\\,");
double tx = Double.valueOf(sp[0]);
double ty = sp.length > 1 ? Double.valueOf(sp[1]) : 0;
x = x + tx;
y = y + ty;
}
}
layout.put(id, new PointSpec(x, y));
break;
case "path":
String d = e.getAttribute("d");
if (d != null) { // 'm ' - means that inkscape has edited it
linkLayout(id).pathData = d;
linkLayout(id).use = d.startsWith("m ");
}
break;
case "polygon":
String v = e.getAttribute("transform");
if (v != null) {
linkLayout(id.replace("-lpolygon", "")).diamondTransform = v;
}
v = e.getAttribute("points");
if (v != null) {
linkLayout(id.replace("-lpolygon", "")).diamondPoints = v;
}
break;
}
}
Element c = XMLUtil.getFirstChild(e);
while (c != null) {
readElement(c, e);
c = XMLUtil.getNextSibling(c);
}
}
private LinkInfo linkLayout(String id) {
if (!linkLayouts.containsKey(id)) {
LinkInfo res = new LinkInfo();
linkLayouts.put(id, res);
}
return linkLayouts.get(id);
}
private static final double LINE_HEIGHT = 16;
private static final double HEADER_HEIGHT = 20;
private static final double GAP_HEIGHT = 4;
private static final double LEFT_MARGIN = 6;
private static final double SELF_LINK_HEIGHT = 25;
private static final double SELF_LINK_WIDTH = 60;
private static final double DUPLICATE_GAP = 50;
private static final double MARGIN_X = 100;
private static final double MARGIN_Y = 10;
private static final double WRAP_INDENT = 20;
private static final int LINE_MAX = 60;
public static final int MAX_NEG = -1000000;
private static final double UML_ROW_HEIGHT = 100;
private enum PointKind {
unknown, left, right, top, bottom;
}
private class Point {
private PointKind kind;
public Point(double x, double y, PointKind kind) {
this.x = x;
this.y = y;
this.kind = kind;
}
private double x;
private double y;
private String toPoint() {
return Double.toString(x)+","+Double.toString(y);
}
}
private class ClassItem {
public ClassItem(double left, double top, double width, double height, String id, String name, ClassItemMode mode) {
this.left = left;
this.top = top;
this.width = width;
this.height = height;
this.id = id;
this.name = name;
this.mode = mode;
if (layout != null && layout.containsKey(id)) {
this.left = layout.get(id).getX();
this.top = layout.get(id).getY();
}
}
private double left;
private double top;
private double width;
private double height;
private String id;
private String name;
private ClassItemMode mode;
public double right() {
return left + width;
}
public double centerH() {
return left + width / 2;
}
public double centerV() {
return top + height / 2;
}
public double bottom() {
return top + height;
}
public String getId() {
return id;
}
public String getName() {
return name;
}
public ClassItemMode getMode() {
return mode;
}
}
private class Segment {
public final Point start, end;
public final boolean isVertical;
public final double slope, intercept;
public Segment(Point start, Point end) {
this.start = start;
this.end = end;
//set isVertical, which indicates whether this Line
//is vertical or not on the coordinate plane
if (start.x == end.x)
isVertical = true;
else
isVertical = false;
//set slope and intercept
if (!isVertical){
slope = (this.start.y - this.end.y) / (this.start.x - this.end.x);
intercept = (this.end.x * this.start.y - this.start.x * this.end.y ) /(this.start.x - this.end.x);
}
else {
slope = Double.MAX_VALUE;
intercept = - Double.MAX_VALUE;
}
}
}
private class LineStatus {
int line = 0;
int length = 0;
String current = "";
List list = new ArrayList();
public String see(String s) {
length = length + s.length();
current = current + s;
return s;
}
public void close() {
line++;
list.add(current);
length = 0;
current = "";
}
public void check(XhtmlNode html, XhtmlNode div, double left, double top, int l, String link) throws IOException {
if (length + l > LINE_MAX-2) { // always leave space for one or two
close();
html.attribute("height", Double.toString(top + LINE_HEIGHT * line));
div.br();
see(" ");
div.nbsp();
div.nbsp();
div.nbsp();
div.nbsp();
div.nbsp();
div.nbsp();
}
}
}
private enum LinkType {SPECIALIZATION, CONSTRAINT, COMPOSITION, SLICE};
private class Link {
private String path;
private String description;
public Link(ClassItem source, ClassItem target, LinkType type, String name, String cardinality, PointKind kind, String path, String description) {
this.source = source;
this.target = target;
this.type = type;
this.name = name;
this.cardinality = cardinality;
this.kind = kind;
this.path = path;
this.description = description;
}
private LinkType type;
private ClassItem source;
private ClassItem target;
private String name;
private String cardinality;
private PointKind kind;
private int count;
private int index;
}
private Point determineMetrics(List classNames) throws Exception {
double width = textWidth("Element") * 1.8;
double height = HEADER_HEIGHT + GAP_HEIGHT*2;
// if ("true".equals(ini.getStringProperty("diagram", "element-attributes"))) {
// height = height + LINE_HEIGHT + GAP_HEIGHT;
// width = textWidth("extension : Extension 0..*");
// }
Point p = new Point(0, 0, PointKind.unknown);
ClassItem item = new ClassItem(p.x, p.y, width, height, diagramId, null, ClassItemMode.NORMAL);
classes.put(null, item);
double x = item.right()+MARGIN_X;
double y = item.bottom()+MARGIN_Y;
if (classNames != null) {
for (String cn : classNames) {
StructureDefinition sd = context.fetchResource(StructureDefinition.class, cn);
if (sd == null) {
sd = cutils.fetchStructureByName(cn);
}
if (sd == null) {
throw new FHIRException("Unable to find class '"+cn+"'");
}
ElementDefinition ed = sd.getSnapshot().getElementFirstRep();
StructureDefinition base = context.fetchResource(StructureDefinition.class, sd.getBaseDefinition());
p = determineMetrics(sd, ed, item, ed.getName(), null, base, ClassItemMode.NORMAL);
x = Math.max(x, p.x+MARGIN_X);
y = Math.max(y, p.y+MARGIN_Y);
}
}
return new Point(x, y, PointKind.unknown);
}
private Point determineClassMetrics(StructureDefinition sd) throws FHIRException, IOException {
double width = textWidth("Element") * 1.8;
double height = HEADER_HEIGHT + GAP_HEIGHT*2;
// if ("true".equals(ini.getStringProperty("diagram", "element-attributes"))) {
// height = height + LINE_HEIGHT + GAP_HEIGHT;
// width = textWidth("extension : Extension 0..*");
// }
Point p = new Point(0, 0, PointKind.unknown);
ClassItem item = new ClassItem(p.x, p.y, width, height, diagramId, null, ClassItemMode.NORMAL);
classes.put(null, item);
double x = item.right()+MARGIN_X;
double y = item.bottom()+MARGIN_Y;
ElementDefinition ed = sd.getSnapshot().getElementFirstRep();
StructureDefinition base = context.fetchResource(StructureDefinition.class, sd.getBaseDefinition());
p = determineMetrics(sd, ed, item, ed.getName(), null, base, ClassItemMode.NORMAL);
x = Math.max(x, p.x+MARGIN_X);
y = Math.max(y, p.y+MARGIN_Y);
return new Point(x, y, PointKind.unknown);
}
private Point determineMetrics(StructureDefinition sd, ElementDefinition ed, ClassItem source, String path, String name, StructureDefinition base, ClassItemMode mode) throws FHIRException, IOException {
List children = putils.getChildList(sd, ed);
String n = name;
if (n == null) {
if (!path.contains(".")) {
n = sd.getName();
} else if (!constraintMode && !children.isEmpty()) {
String[] p = path.split("\\.");
StringBuilder b = new StringBuilder();
for (String s : p) {
b.append(Utilities.capitalize(s));
}
n = b.toString();
} else if (constraintMode && ed.getType().size() == 1) {
n = ed.getTypeFirstRep().getWorkingCode();
} else {
n = "DataType";
}
}
String t = n;
if (path.contains(".")) {
if (ed.getType().size() == 1) {
if (!"Base".equals(ed.getTypeFirstRep().getWorkingCode())) {
t = t + " ("+ed.getTypeFirstRep().getWorkingCode()+")";
}
} else {
t = "";
}
} else if (base != null && !classNames.contains(base.getName())) {
t = t + " ("+base.getName()+")";
}
if (sd.hasExtension(ToolingExtensions.EXT_RESOURCE_INTERFACE)) {
t = t + " «Interface»";
}
double width = textWidth(t) * 1.8;
//double width = textWidth(e.getName()) * 1.8 + (isRoot ? textWidth(" (Resource)") : 0);
double height;
if (attributes) {
int i = 0;
for (ElementDefinition c : children)
if (inScope(c) && countsAsAttribute(sd, c)) {
String[] texts = textForAttribute(sd, c);
i = i + texts.length;
double w = textWidth(texts[0]);
for (int j = 1; j < texts.length; j++)
w = Math.max(w, textWidth(texts[j]));
if (w > width)
width = w;
}
height = HEADER_HEIGHT + GAP_HEIGHT*2 + LINE_HEIGHT * i + GAP_HEIGHT * 2;
} else
height = HEADER_HEIGHT + GAP_HEIGHT*2;
// if (control.forceObject("directions").has(path)) {
// JsonElement uml = control.forceObject("directions").get(path);
// if (uml.isJsonObject()) {
// JsonObject svg = (JsonObject) uml;
// ed.setUserData(UserDataNames.SvgLeft, svg.asInteger("left"));
// ed.setUserData(UserDataNames.SvgTop, svg.asInteger("top"));
// } else {
// ed.setUserData(UserDataNames.UmlDir, uml.asString());
// }
// }
Point p = new Point(getSvgLeft(ed), getSvgLeft(ed), PointKind.unknown);
if (p.y == MAX_NEG || p.x == MAX_NEG) {
if ("left".equals(ed.getUserString(UserDataNames.UmlDir))) {
p.x = source.left - 120 - width;
p.y = source.centerV() - height / 2;
p = findEmptyPlace(p, width, height, 0, 80);
} else if ("right".equals(ed.getUserString(UserDataNames.UmlDir))) {
p.x = source.right() + 120;
p.y = source.centerV() - height / 2;
p = findEmptyPlace(p, width, height, 0, 80);
} else if ("up".equals(ed.getUserString(UserDataNames.UmlDir))) {
p.x = source.centerH() - width / 2;
p.y = source.top - height - 80;
p = findEmptyPlace(p, width, height, 80, 0);
} else if ("down".equals(ed.getUserString(UserDataNames.UmlDir))) {
p.x = source.centerH() - width / 2;
p.y = source.bottom() + 80;
p = findEmptyPlace(p, width, height, +80, 0);
} else {
p.y = 0;
p.x = 0;
p = findEmptyPlace(p, width, height, 80, 0);
}
}
miny = Math.min(miny, p.y);
minx = Math.min(minx, p.x);
ClassItem item = new ClassItem(p.x, p.y, width, height, path, n, mode);
classes.put(path, item);
double x = item.right()+MARGIN_X;
double y = item.bottom()+MARGIN_Y;
if (innerClasses) {
for (ElementDefinition c : children) {
if (inScope(c) && countsAsRelationship(sd, c) && !c.hasSliceName()) {
if (c.hasContentReference()) {
String cr = c.getContentReference();
ClassItem target = classes.get(cr.substring(cr.indexOf("#")+1));
if (target == null) {
throw new Error("what?");
}
// do something about x and y?
} else {
p = determineMetrics(sd, c, item, path+"."+c.getName(), null, null, ClassItemMode.NORMAL);
x = Math.max(x, p.x+MARGIN_X);
y = Math.max(y, p.y+MARGIN_Y);
// do we find slices?
if (c.hasSlicing()) {
List slices = getSlices(children, c);
for (ElementDefinition s : slices) {
p = determineMetrics(sd, s, item, path+"."+c.getName()+":"+s.getSliceName(), s.getSliceName(), null, ClassItemMode.SLICE);
x = Math.max(x, p.x+MARGIN_X);
y = Math.max(y, p.y+MARGIN_Y);
}
}
}
}
}
}
return new Point(x, y, PointKind.unknown);
}
private boolean countsAsRelationship(StructureDefinition sd, ElementDefinition c) {
return !countsAsAttribute(sd, c);
}
private boolean countsAsAttribute(StructureDefinition sd, ElementDefinition ed) {
if (ed.hasContentReference()) {
return false;
} else if (ed.prohibited()) {
return true;
} else if (ed.getType().isEmpty()) {
return true; // really shouldn't be the case
} else {
List children = putils.getChildList(sd, ed, false);
if (ed.getType().size() == 1) {
StructureDefinition sdt = context.fetchTypeDefinition(ed.getTypeFirstRep().getWorkingCode());
if (sdt == null) {
return true; // also shouldn't happen
} else if (sdt.getKind() == StructureDefinitionKind.PRIMITIVETYPE) {
return true;
} else if (sdt.getAbstract()) {
return children.size() == 0;
} else if (sdt.getKind() == StructureDefinitionKind.COMPLEXTYPE && !"Base".equals(sdt.getName())) {
return !(constraintMode && (ed.hasSlicing() || ed.hasSliceName()));
} else {
return children.size() == 0;
}
} else {
return children.size() == 0 || (constraintMode && ed.hasSlicing());
}
}
}
private List getSlices(List list, ElementDefinition focus) {
List slices = new ArrayList();
for (int i = list.indexOf(focus)+1; i < list.size(); i++) {
ElementDefinition ed = list.get(i);
if (ed.getPath().equals(focus.getPath()) && ed.hasSliceName()) {
slices.add(ed);
}
}
return slices;
}
private boolean inScope(ElementDefinition c) {
return !constraintMode || c.hasUserData(UserDataNames.SNAPSHOT_FROM_DIFF);
}
private Point findEmptyPlace(Point p, double width, double height, double dx, double dy) {
while (overlaps(p.x, p.y, width, height)) {
p.x = p.x + dx;
p.y = p.y + dy;
if (p.x > 600) {
p.y = p.y + UML_ROW_HEIGHT;
p.x = 0;
}
}
return p;
}
private boolean overlaps(double x, double y, double w, double h) {
for (ClassItem c : classes.values()) {
if ((inBounds(x, c.left, c.right()) || inBounds(x+w, c.left, c.right())) &&
(inBounds(y, c.top, c.bottom()) || inBounds(y+h, c.top, c.bottom())))
return true;
if ((inBounds(c.left, x, x+w) || inBounds(c.right(), x, x+w)) &&
(inBounds(c.top, y, y+h) || inBounds(c.bottom(), y, y+h)))
return true;
}
return false;
}
private boolean inBounds(double x, double x1, double x2) {
return (x1 < x2) ? (x >= x1 && x <= x2) : (x >= x2 && x <= x1);
}
private double getSvgLeft(ElementDefinition ed) {
Integer i = (Integer) ed.getUserData(UserDataNames.SvgLeft);
return i == null ? MAX_NEG : i;
}
private double getSvgTop(ElementDefinition ed) {
Integer i = (Integer) ed.getUserData(UserDataNames.SvgTop);
return i == null ? MAX_NEG : i;
}
private int addAttribute(XhtmlNode g, double left, double top, StructureDefinition sd, ElementDefinition e, String path, double height, double width) throws FHIRException, IOException {
LineStatus ls = new LineStatus();
return addAttribute(g, left, top, sd, e, path, ls, height, width);
}
private int addAttribute(XhtmlNode g, double left, double top, StructureDefinition sd, ElementDefinition e, String path, LineStatus ls, double height, double width) throws FHIRException, IOException {
if (e.getStandardsStatus() != null) {
var rect = g.svgRect(null);
rect.attribute("x", Double.toString(left+1));
rect.attribute("y", Double.toString(top-height+GAP_HEIGHT));
rect.attribute("id", prefix+"n"+(++nc));
rect.attribute("width", Double.toString(width-2));
rect.attribute("height", Double.toString(height));
rect.style("fill:"+e.getStandardsStatus().getColorSvg()+";stroke:black;stroke-width:0");
}
var html = g.htmlObject(left + LEFT_MARGIN + (ls.line == 0 ? 0 : WRAP_INDENT), top + LINE_HEIGHT * (ls.line-1), width-2, height);
var div = html.div().attribute("xmlns", "http://www.w3.org/1999/xhtml");
div.attribute("class", "diagram-class-detail");
if (e.prohibited()) {
div.style("text-decoration: line-through");
}
var a = div.ah(baseUrl(sd, path)+path+"."+e.getName().replace("[", "_").replace("]", "_")).style("text-decoration: none;");
a.attributeNN("title", getEnhancedDefinition(e));
a.tx(ls.see(e.getName()));
div.tx(ls.see(" : "));
if (e.hasContentReference()) {
encodeType(div, ls, e.getContentReference().substring(e.getContentReference().indexOf("#")+1));
} else {
encodeType(div, ls, getTypeCodeForElement(e.getType()));
}
div.tx(ls.see(" ["+describeCardinality(e)+"]"));
if (!"0".equals(e.getMax())) {
if (constraintMode) {
// in constraint mode, we're (usually) even more constrained for space, and we have a lot more kinds of constraints
// to deal with
Set p = new HashSet<>();
Set tp = new HashSet<>();
for (TypeRefComponent tr : e.getType()) {
for (CanonicalType ct : tr.getProfile()) {
p.add(ct.asStringValue());
}
for (CanonicalType ct : tr.getTargetProfile()) {
if (!ct.asStringValue().startsWith("http://hl7.org/fhir/StructureDefinition/")) {
tp.add(ct.asStringValue());
}
}
}
flag(div, ls, !p.isEmpty(), "DP", "black", "#c787ff", rc.formatPhrase(RenderingContext.GENERAL_TYPE_PROFILE, CommaSeparatedStringBuilder.join(",", Utilities.sorted(p))), null);
flag(div, ls, !tp.isEmpty(), "TP", "black", "#c787ff", rc.formatPhrase(RenderingContext.GENERAL_TYPE_TARGET_PROFILE, CommaSeparatedStringBuilder.join(",", Utilities.sorted(tp))), null);
flag(div, ls, e.getIsModifier(), "?!", "black", "white", rc.formatPhrase(RenderingContext.STRUC_DEF_MOD), null);
// flag(div, ls, e.getIsSummary(), "\u03A3", "white", "black", rc.formatPhrase(RenderingContext.STRUC_DEF_ELE_INCLUDED), null);
if (e.getMustSupport() && e.hasExtension(ToolingExtensions.EXT_OBLIGATION_CORE, ToolingExtensions.EXT_OBLIGATION_TOOLS)) {
flag(div, ls, e.getMustSupport(), "SO", "white", "red", rc.formatPhrase(RenderingContext.STRUC_DEF_OBLIG_SUPP), null);
} else if (e.hasExtension(ToolingExtensions.EXT_OBLIGATION_CORE, ToolingExtensions.EXT_OBLIGATION_TOOLS)) {
flag(div, ls, e.getMustSupport(), "O", "white", "red", rc.formatPhrase(RenderingContext.STRUC_DEF_OBLIG), null);
} else {
flag(div, ls, e.getMustSupport(), "S", "white", "red", rc.formatPhrase(RenderingContext.STRUC_DEF_ELE_MUST_SUPP), null);
}
flag(div, ls, e.getMustHaveValue(), "V", "black", "#f7a3ec", rc.formatPhrase(RenderingContext.STRUC_DEF_ELE), null);
flag(div, ls, e.hasValueAlternatives(), "?X", "black", "#f7a3ec", rc.formatPhrase(RenderingContext.STRUC_DEF_VALUE_ALT), null);
flag(div, ls, StructureDefinitionRenderer.hasNonBaseConstraints(e.getConstraint()) || StructureDefinitionRenderer.hasNonBaseConditions(e.getCondition()), "C", "black", "#7779e6", rc.formatPhrase(RenderingContext.STRUC_DEF_ELE_AFFECTED), null);
flag(div, ls, e.hasFixed(), "F", "black", "#95fc9c", rc.formatPhrase(RenderingContext.GENERAL_FIXED_VALUE, renderDT(e.getFixed())), null);
flag(div, ls, e.hasPattern(), "P", "black","#95fc9c", rc.formatPhrase(RenderingContext.GENERAL_PATTERN_VALUE, renderDT(e.getPattern())), null);
if (e.hasMinValue() || e.hasMaxValue()) {
if (e.hasMinValue() && e.hasMaxValue()) {
flag(div, ls, true, "L< 30)
name = name.substring(0, 29)+"...";
String link = vs == null ? null : vs.getWebPath();
String suffix = "";
suffix = getBindingSuffix(b);
div.ahOrNot(link, b.getDescription()+" (Strength="+b.getStrength().getDisplay()+")").tx(ls.see(name+suffix));
}
div.tx(ls.see(" \u00BB"));
}
}
}
return ls.line;
}
private String getBindingSuffix(ElementDefinitionBindingComponent b) {
String suffix;
switch (b.getStrength()) {
case EXAMPLE:
suffix = "??";
break;
case EXTENSIBLE:
suffix = "+";
break;
case PREFERRED:
suffix = "?";
break;
case REQUIRED:
suffix = "!";
break;
case NULL:
default:
suffix = "??";
break;
}
return suffix;
}
private boolean hasNonBaseProfile(List list) {
for (CanonicalType ct : list) {
if (!ct.asStringValue().startsWith("http://hl7.org/fhir/StructureDefinition/")) {
return true;
}
}
return false;
}
private String vsLink(String url, ValueSet vs) {
if (vs != null) {
return vs.getWebPath();
} else {
return url;
}
}
private String describeVS(String url, ValueSet vs) {
if (vs != null) {
return vs.present()+" ("+url+")";
} else {
return "("+url+")";
}
}
private String renderDT(DataType dt) {
if (dt == null) {
return "";
} else if (dt.isPrimitive()) {
return dt.primitiveValue();
} else {
switch (dt.fhirType()) {
case "Quantity" : return renderQty((Quantity) dt);
case "Coding" : return renderCoding((Coding) dt);
case "CodeableConcept" : return renderCC((CodeableConcept) dt);
default:
return new DataRenderer(rc).displayDataType(dt);
}
}
}
private String renderCC(CodeableConcept cc) {
StringBuilder b = new StringBuilder();
boolean first = true;
for (Coding c : cc.getCoding()) {
if (first) first = false; else b.append(", ");
b.append(renderCoding(c));
}
if (b.length() > 0 && cc.hasText()) {
b.append(". ");
}
if (cc.hasText()) {
b.append("text: ");
b.append(cc.getText());
}
return b.toString();
}
private String renderCoding(Coding c) {
StringBuilder b = new StringBuilder();
if (c.hasSystem()) {
b.append(new DataRenderer(rc).displaySystem(c.getSystem()));
if (c.hasCode()) {
b.append("#");
}
}
if (c.hasCode()) {
b.append(c.getCode());
}
if (c.hasDisplay()) {
b.append("\"");
b.append(c.getDisplay());
b.append("\"");
}
return b.toString();
}
private String renderQty(Quantity qty) {
StringBuilder b = new StringBuilder();
if (qty.hasComparator()) {
b.append(qty.getComparatorElement().asStringValue());
}
b.append(qty.getValueElement().asStringValue());
if (qty.hasUnit()) {
b.append(qty.getUnit());
} else if (qty.hasCode()) {
b.append(qty.getCode());
}
return b.toString();
}
private void flag(XhtmlNode x, LineStatus ls, Boolean show, String code, String foreColor, String backColor, String title, String url) throws IOException {
if (show) {
// C
x.tx(" ");
var xx = url == null ? x.span() : x.ah(url).style("text-decoration: none;");
xx.style("padding-left: 3px; padding-right: 3px; font-weight: bold; font-family: verdana; color: "+foreColor+"; background-color: "+backColor);
xx.attribute("title", title);
xx.tx(code);
ls.see(code+" ");
}
}
private String tail(String url) {
if (Utilities.noString(url)) {
return "";
}
return url.contains("/") ? url.substring(url.lastIndexOf("/")+1) : url;
}
private String describeCardinality(ElementDefinition e) {
String min = !e.hasMin() ? "" : e.getMinElement().asStringValue();
String max = !e.hasMax() ? "" : e.getMax();
return min + ".." + max;
}
private int encodeType(XhtmlNode text, LineStatus ls, String tc) throws FHIRException, IOException {
if (tc == null) {
return 0;
} else if (tc.equals("*")) {
var a = text.ah(Utilities.pathURL(rc.getLink(KnownLinkType.SPEC, true), "datatypes.html#open")).style("text-decoration: none;");;
a.tx(ls.see(tc));
return tc.length();
} else if (tc.equals("Type")) {
var a = text.ah(Utilities.pathURL(rc.getLink(KnownLinkType.SPEC, true), "formats.html#umlchoice")).style("text-decoration: none;");;
a.tx(ls.see(tc));
return tc.length();
} else if (tc.startsWith("@")) {
var a = text.ah("@"+tc.substring(1)).style("text-decoration: none;");;
a.tx(ls.see(tc));
return tc.length();
} else {
StructureDefinition sd = Utilities.isAbsoluteUrl(tc) ? context.fetchTypeDefinition(tc) : null;
if (sd != null) {
var a = text.ah(sd.getWebPath()).style("text-decoration: none;");;
a.tx(ls.see(sd.getName()));
return tc.length();
}
var a = text.ah(makeLink(tc)).style("text-decoration: none;");;
a.tx(ls.see(tc));
return tc.length();
}
}
private String makeLink(String tc) {
StructureDefinition sd = context.fetchTypeDefinition(tc);
return sd == null ? null : sd.getWebPath();
}
private String getEnhancedDefinition(ElementDefinition e) {
if (e.getIsModifier() && e.getMustSupport()) {
return Utilities.removePeriod(e.getDefinition()) + " (this element modifies the meaning of other elements, and must be supported)";
} else if (e.getIsModifier()) {
return Utilities.removePeriod(e.getDefinition()) + " (this element modifies the meaning of other elements)";
} else if (e.getMustSupport()) {
return Utilities.removePeriod(e.getDefinition()) + " (this element must be supported)";
} else {
return Utilities.removePeriod(e.getDefinition());
}
}
private String baseUrl(StructureDefinition sd, String path) throws FHIRException, IOException {
return sd.getWebPath()+"#";
}
private String[] textForAttribute(StructureDefinition sd, ElementDefinition e) throws FHIRException, IOException {
LineStatus ls = new LineStatus();
XhtmlNode svg = new XhtmlNode(NodeType.Element, "svg"); // this is a dummy
addAttribute(svg.svgG(null), 0, 0, sd, e, "Element.id", ls, 0, 0);
ls.close();
return ls.list.toArray(new String[] {});
}
private String getTypeCodeForElement(List tl) {
if (tl.isEmpty())
return "??";
if (tl.size() == 1 && !isReference(tl.get(0).getName()))
return tl.get(0).getName();
String t = tl.get(0).getName();
boolean allSame = true;
for (int i = 1; i < tl.size(); i++) {
allSame = t.equals(tl.get(i).getName());
}
if (allSame && t.equals("Reference")) {
return "Reference";
} else if (allSame && t.equals("canonical")) {
return "canonical";
} else if (allSame && t.equals("CodeableReference")) {
return "CodeableReference";
} else {
boolean allPrimitive = true;
for (TypeRefComponent tr : tl) {
StructureDefinition sd = context.fetchTypeDefinition(tr.getWorkingCode());
if (sd == null || sd.getKind() != StructureDefinitionKind.PRIMITIVETYPE) {
allPrimitive = false;
}
}
if (VersionUtilities.isR4BVer(context.getVersion())) {
return "Element";
} if (allPrimitive) {
return "PrimitiveType";
} else {
return "DataType";
}
}
}
private boolean isReference(String name) {
return name != null && (name.equals("Reference") || name.equals("canonical") || name.equals("CodeableReference"));
}
private boolean isAttribute(StructureDefinition sd, ElementDefinition c) {
return putils.getChildList(sd, c).isEmpty();
}
private double textWidth(String text) {
return text.length() * CHAR_RATIO;
}
private ClassItem drawElement(XhtmlNode svg, List classNames) throws Exception {
if (classNames != null) {
for (String cn : classNames) {
StructureDefinition sd = context.fetchResource(StructureDefinition.class, cn);
if (sd == null) {
sd = cutils.fetchStructureByName(cn);
}
ElementDefinition ed = sd.getSnapshot().getElementFirstRep();
StructureDefinition base = context.fetchResource(StructureDefinition.class, sd.getBaseDefinition());
ClassItem parent = base == null ? null : classes.get(base.getName());
if (parent == null) {
drawClass(svg, sd, ed, cn, sd.getStandardsStatus(), base);
} else {
links.add(new Link(parent, drawClass(svg, sd, ed, cn, sd.getStandardsStatus(), null), LinkType.SPECIALIZATION, null, null, PointKind.unknown, null, null));
}
}
}
return null;
}
private ClassItem drawClassElement(XhtmlNode svg, StructureDefinition sd) throws FHIRException, IOException {
ElementDefinition ed = sd.getSnapshot().getElementFirstRep();
StructureDefinition base = context.fetchResource(StructureDefinition.class, sd.getBaseDefinition());
ClassItem parent = base == null ? null : classes.get(base.getName());
if (parent == null) {
drawClass(svg, sd, ed, ed.getName(), sd.getStandardsStatus(), base);
} else {
links.add(new Link(parent, drawClass(svg, sd, ed, sd.getName(), sd.getStandardsStatus(), null), LinkType.SPECIALIZATION, null, null, PointKind.unknown, null, null));
}
return null;
}
private ClassItem drawClass(XhtmlNode svg, StructureDefinition sd, ElementDefinition ed, String path, StandardsStatus status, StructureDefinition parent) throws FHIRException, IOException {
ClassItem item = classes.get(path);
if (item == null) {
throw new FHIRException("Unable to find a class for "+path+" from "+CommaSeparatedStringBuilder.join(",", classes.keySet()));
}
var g = svg.svgG(null);
g.attribute("id", prefix+"n"+(++nc));
var rect = g.svgRect(null);
rect.attribute("x", Double.toString(item.left));
rect.attribute("y", Double.toString(item.top));
rect.attribute("rx", "4");
rect.attribute("ry", "4");
rect.attribute("width", Double.toString(item.width));
rect.attribute("height", Double.toString(item.height));
rect.attribute("filter", "url(#shadow"+diagramId+")");
String borderColor = item.getMode() == ClassItemMode.SLICE ? SLICE_COLOR : "black";
if (status == null) {
rect.style("fill:"+(status == null ? "#ffffff" : status.getColorSvg())+";stroke:"+borderColor+";stroke-width:1");
} else {
rect.style("fill:"+status.getColorSvg()+";stroke:"+borderColor+";stroke-width:1");
}
rect.attribute("id", prefix+item.getId());
var line = g.svgLine(null);
line.attribute("x1", Double.toString(item.left));
line.attribute("y1", Double.toString(item.top+HEADER_HEIGHT + GAP_HEIGHT*2));
line.attribute("x2", Double.toString(item.left+item.width));
line.attribute("y2", Double.toString(item.top+HEADER_HEIGHT + GAP_HEIGHT*2));
line.style("stroke:dimgrey;stroke-width:1");
line.attribute("id", prefix+"n"+(++nc));
var text = g.svgText(null);
text.attribute("x", Double.toString(item.left + item.width / 2));
text.attribute("y", Double.toString(item.top+HEADER_HEIGHT));
text.attribute("fill", "black");
if (!path.contains("."))
text.attribute("class", "diagram-class-title diagram-class-resource");
else
text.attribute("class", "diagram-class-title");
if (parent == null) {
text.attribute("id", prefix+"n"+(++nc));
if (!path.contains(".") && sd.getAbstract()) {
text.style("font-style: italic");
}
var a = text.svgAx(makeLink(item.getName()));
a.attribute("id", prefix+"n"+(++nc));
a.tx(item.getName());
// if (definitions.getBaseResources().containsKey(e.getName()) && definitions.getBaseResources().get(e.getName()).isInterface()) {
// xml.text(" ");
// xml.attribute("xlink:href", "uml.html#interface");
// xml.enter("a");
// xml.text("«Interface»");
// xml.exit("a");
// }
} else if (!path.contains(".")) {
text.attribute("id", prefix+"n"+(++nc));
if (!path.contains(".") && sd.getAbstract()) {
text.style("font-style: italic");
}
var a = text.svgAx(sd.getWebPath());
a.tx(item.getName());
text.tx(" (");
a = text.svgAx(parent.getWebPath());
a.attribute("class", "diagram-class-reference");
a.attribute("id", prefix+"n"+(++nc));
a.style("font-style: italic");
a.tx(parent.getName());
text.tx(")");
} else {
text.attribute("id", prefix+"n"+(++nc));
text.tx(item.getName());
}
List children = putils.getChildList(sd, ed);
if (attributes) {
int i = 0;
for (ElementDefinition c : children) {
if (inScope(c) && countsAsAttribute(sd, c)) {
i++;
addAttribute(g, item.left, item.top+HEADER_HEIGHT + GAP_HEIGHT*2 + LINE_HEIGHT * i, sd, c, path, LINE_HEIGHT, item.width);
String[] texts = textForAttribute(sd, c);
i = i + texts.length - 1;
}
}
}
if (innerClasses) {
for (ElementDefinition c : children) {
if (inScope(c) && countsAsRelationship(sd, c)) {
if (!c.hasSliceName()) {
if (c.hasContentReference()) {
String cr = c.getContentReference();
ClassItem target = classes.get(cr.substring(cr.indexOf("#")+1));
links.add(new Link(item, target, LinkType.COMPOSITION, c.getName(), describeCardinality(c), PointKind.unknown, baseUrl(sd, path)+path+"."+c.getName(), getEnhancedDefinition(c)));
} else {
ClassItem cc = drawClass(svg, sd, c, path+"."+c.getName(), status, null);
links.add(new Link(item, cc, LinkType.COMPOSITION, c.getName(), describeCardinality(c), PointKind.unknown, baseUrl(sd, path)+path+"."+c.getName(), getEnhancedDefinition(c)));
if (c.hasSlicing()) {
List slices = getSlices(children, c);
for (ElementDefinition s : slices) {
ClassItem cc1 = drawClass(svg, sd, s, path+"."+c.getName()+":"+s.getSliceName(), status, null);
links.add(new Link(cc, cc1, LinkType.SLICE, "", describeCardinality(s), PointKind.unknown, baseUrl(sd, path)+path+"."+c.getName()+":"+s.getSliceName(), getEnhancedDefinition(c)));
}
}
}
}
}
}
}
return item;
}
private void drawLink(XhtmlNode svg, Link l, XhtmlNode insertionPoint) throws FHIRException, IOException {
Point start;
Point end;
Point p1;
Point p2;
String id = l.source.id + "-" + l.target.id;
if (l.source == l.target) {
start = new Point(l.source.right(), l.source.centerV() - SELF_LINK_HEIGHT, PointKind.unknown);
end = new Point(l.source.right(), l.source.centerV() + SELF_LINK_HEIGHT, PointKind.right);
p1 = new Point(l.source.right() + SELF_LINK_WIDTH, l.source.centerV() - SELF_LINK_HEIGHT, PointKind.unknown);
p2 = new Point(l.source.right() + SELF_LINK_WIDTH, l.source.centerV() + SELF_LINK_HEIGHT, PointKind.unknown);
var path = svg.svgPath(insertionPoint);
path.attribute("id", prefix+id);
path.attribute("d", checkForLinkPathData(id, "M"+start.x+" "+start.y+" L"+p1.x+" "+p1.y+" L"+p1.x+" "+p1.y+" L"+p2.x+" "+p2.y+" L"+end.x+" "+end.y));
path.style("stroke:navy;stroke-width:1;fill:none");
} else {
Point c1 = new Point(l.source.centerH(), l.source.centerV(), PointKind.unknown);
Point c2 = new Point(l.target.centerH(), l.target.centerV(), PointKind.unknown);
start = intersection(c1, c2, l.source);
end = intersection(c1, c2, l.target);
if (l.count > 0) {
start.x = adjustForDuplicateX(start.x, start.kind, l.index);
start.y = adjustForDuplicateY(start.y, start.kind, l.index);
end.x = adjustForDuplicateX(end.x, end.kind, l.index);
end.y = adjustForDuplicateY(end.y, end.kind, l.index);
}
p1 = end;
p2 = start;
if (start != null && end != null) {
var path = svg.svgPath(insertionPoint);
path.attribute("d", checkForLinkPathData(id, "M"+Double.toString(start.x)+" "+Double.toString(start.y)+" L"+Double.toString(end.x)+" "+Double.toString(end.y)));
if (l.type == LinkType.CONSTRAINT)
path.style("stroke:orange;stroke-width:1;fill:none");
else if (l.type == LinkType.SLICE)
path.style("stroke:"+SLICE_COLOR+";stroke-width:2;fill:none");
else
path.style("stroke:navy;stroke-width:1;fill:none");
path.attribute("id", prefix+id);
}
}
if (start != null && end != null) {
if (l.name == null) {
Point pd1 = calcGenRight(start, p1);
Point pd2 = calcGenLeft(start, p1);
var polygon = svg.svgPolygon(insertionPoint);
polygon.attribute("points", start.toPoint() +" " +pd1.toPoint() +" " +pd2.toPoint() +" " +start.toPoint());
polygon.style("fill:white;stroke:navy;stroke-width:1");
polygon.attribute("transform", "rotate("+getAngle(start, p1)+" "+Double.toString(start.x)+" "+Double.toString(start.y)+")");
polygon.attribute("id", prefix+"n"+(++nc));
} else {
// draw the diamond
if (l.type != LinkType.SLICE) {
Point pd2 = calcDiamondEnd(start, p1);
Point pd1 = calcDiamondRight(start, p1);
Point pd3 = calcDiamondLeft(start, p1);
var polygon = svg.svgPolygon(insertionPoint);
polygon.attribute("points", checkForLinkPoints(id, start.toPoint() +" " +pd1.toPoint() +" " +pd2.toPoint() +" " +pd3.toPoint()+" "+start.toPoint()));
polygon.style("fill:navy;stroke:navy;stroke-width:1");
polygon.attribute("transform", checkForLinkTransform(id, "rotate("+getAngle(start, p1)+" "+Double.toString(start.x)+" "+Double.toString(start.y)+")"));
polygon.attribute("id", prefix+id+"-lpolygon");
}
// draw the name half way along
double x = (int) (p1.x + p2.x) / 2;
double y = (int) (p1.y + p2.y) / 2 + LINE_HEIGHT / 2 + LINE_HEIGHT * l.index;
double w = (int) (textWidth(l.name));
var g = svg.svgG(insertionPoint);
var rect = g.svgRect(null);
rect.attribute("x", checkForKnownX(id, id+"-lrect", Double.toString(x - w/2)));
rect.attribute("y", checkForKnownY(id, id+"-lrect", Double.toString(y - LINE_HEIGHT)));
rect.attribute("width", Double.toString(w));
rect.attribute("height", Double.toString(LINE_HEIGHT + GAP_HEIGHT));
rect.style("fill:white;stroke:black;stroke-width:0");
rect.attribute("id", prefix+id+"-lrect");
var text = g.svgText(null);
text.attribute("x", checkForKnownX(id, id+"-lname", Double.toString(x)));
text.attribute("y", checkForKnownY(id, id+"-lname", Double.toString(y - GAP_HEIGHT)));
text.attribute("fill", "black");
text.attribute("class", "diagram-class-linkage");
text.attribute("id", prefix+id+"-lname");
var a = text.svgAx(l.path);
a.attribute("id", prefix+"n"+(++nc));
a.addTag("title").tx(l.description);
a.tx(l.name);
// draw the cardinality at the terminal end
x = end.x;
y = end.y;
if (end.kind == PointKind.left) {
y = y - GAP_HEIGHT;
x = x - 20;
} else if (end.kind == PointKind.top)
y = y - GAP_HEIGHT;
else if (end.kind == PointKind.right) {
y = y - GAP_HEIGHT;
x = x + 15;
} else if (end.kind == PointKind.bottom)
y = y + LINE_HEIGHT;
w = 18;
text = svg.svgText(insertionPoint);
text.attribute("x", checkForKnownX(id, id+"-lcard", Double.toString(x)));
text.attribute("y", checkForKnownY(id, id+"-lcard", Double.toString(y)));
text.attribute("fill", "black");
text.attribute("class", "diagram-class-linkage");
text.attribute("id", prefix+id+"-lcard");
text.tx("["+l.cardinality+"]");
}
}
}
private String checkForKnownY(String baseId, String id, String defaultValue) {
if (linkLayouts.containsKey(baseId) && linkLayouts.get(baseId).use && layout.containsKey(id)) {
return ""+layout.get(id).y;
} else {
return defaultValue;
}
}
private String checkForKnownX(String baseId, String id, String defaultValue) {
if (linkLayouts.containsKey(baseId) && linkLayouts.get(baseId).use && layout.containsKey(id)) {
return ""+layout.get(id).x;
} else {
return defaultValue;
}
}
private String checkForLinkTransform(String id, String defaultValue) {
if (linkLayouts.containsKey(id) && linkLayouts.get(id).use && linkLayouts.get(id).diamondTransform != null) {
return linkLayouts.get(id).diamondTransform;
} else {
return defaultValue;
}
}
private String checkForLinkPoints(String id, String defaultValue) {
if (linkLayouts.containsKey(id) && linkLayouts.get(id).use && linkLayouts.get(id).diamondPoints != null) {
return linkLayouts.get(id).diamondPoints;
} else {
return defaultValue;
}
}
private String checkForLinkPathData(String id, String defaultValue) {
if (linkLayouts.containsKey(id) && linkLayouts.get(id).use && linkLayouts.get(id).pathData != null) {
return linkLayouts.get(id).pathData;
} else {
return defaultValue;
}
}
private String abs(double d) {
if (d < 0) {
return Double.toString(-d);
} else {
return Double.toString(d);
}
}
private double adjustForDuplicateX(double x, PointKind kind, int index) {
switch (kind) {
case bottom:
return x + (DUPLICATE_GAP * (index - 0.5));
case top:
return x + (DUPLICATE_GAP * (index - 0.5));
default:
return x;
}
}
private double adjustForDuplicateY(double y, PointKind kind, int index) {
switch (kind) {
case left:
return y - (DUPLICATE_GAP * (index - 0.5));
case right:
return y - (DUPLICATE_GAP * (index - 0.5));
default:
return y;
}
}
private String getAngle(Point start, Point end) {
double inRads = Math.atan2(end.y - start.y, end.x-start.x);
// if (inRads < 0)
// inRads = Math.abs(inRads);
// else
// inRads = 2*Math.PI - inRads;
return Double.toString(Math.toDegrees(inRads));
}
private Point calcDiamondEnd(Point start, Point end) {
return new Point(start.x+12, start.y+0, PointKind.unknown);
}
private Point calcDiamondRight(Point start, Point end) {
return new Point(start.x+6, start.y+4, PointKind.unknown);
}
private Point calcDiamondLeft(Point start, Point end) {
return new Point(start.x+6, start.y-4, PointKind.unknown);
}
private Point calcGenRight(Point start, Point end) {
return new Point(start.x+8, start.y+6, PointKind.unknown);
}
private Point calcGenLeft(Point start, Point end) {
return new Point(start.x+8, start.y-6, PointKind.unknown);
}
private Point intersection(Point start, Point end, ClassItem box) {
Point p = calculateIntersect(start.x, start.y, end.x, end.y, box.left, box.top, box.left + box.width, box.top, PointKind.top);
if (p == null)
p = calculateIntersect(start.x, start.y, end.x, end.y, box.left, box.top+box.height, box.left+box.width, box.top+box.height, PointKind.bottom);
if (p == null)
p = calculateIntersect(start.x, start.y, end.x, end.y, box.left, box.top, box.left, box.top+box.height, PointKind.left);
if (p == null)
p = calculateIntersect(start.x, start.y, end.x, end.y, box.left+box.width, box.top, box.left+box.width, box.top+box.height, PointKind.right);
return p;
}
private Point calculateIntersect(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4, PointKind kind) {
Segment s1 = new Segment(new Point(x1,y1, PointKind.unknown), new Point(x2,y2, PointKind.unknown));
Segment s2 = new Segment(new Point(x3,y3, PointKind.unknown), new Point(x4,y4, PointKind.unknown));
return hasIntersection(s1, s2, kind);
// double slope1 = (y2-y1) / (x2-x1);
// double slope2 = (y4-y3) / (x4-x3);
//
// if (Math.abs(slope1 - slope2) < 0.000001)
// return null;
//
// double x = ( ( (x4*y3 - y4*x3) / (x4-x3) ) - ( (x2-y1 - y2*x1) / (x2-x1) ) ) / ( slope1 - slope2 );
// double y = slope1 * x + ( (x2*y1 - y2*x1) / (x2-x1) );
//
// if (inBounds(x, x1, x2) && inBounds(x, x3, x4) && inBounds(y, y1, y2) && inBounds(y, y3, y4))
// return new Point((int) x, (int) y);
// else
// return null;
}
public Point hasIntersection(Segment segment1, Segment segment2, PointKind kind){
if (segment1.isVertical){
if (segment2.isVertical) // ( (segment2.start.x - segment1.start.x)*(segment2.end.x - segment1.start.x) > 0 )
return null;
else {
double fx_at_segment1startx = segment2.slope * segment1.start.x - segment2.intercept;
if (inBounds(fx_at_segment1startx, segment1.start.y, segment1.end.y) && inBounds(segment1.start.x, segment2.start.x, segment2.end.x))
return new Point(segment1.start.x, fx_at_segment1startx, kind);
else
return null;
}
}
else if (segment2.isVertical){
return hasIntersection(segment2, segment1, kind);
}
else { //both segment1 and segment2 are not vertical
if (segment1.slope == segment2.slope)
return null;
else {
double x1 = segment1.start.x;
double y1 = segment1.start.y;
double x2 = segment1.end.x;
double y2 = segment1.end.y;
double x3 = segment2.start.x;
double y3 = segment2.start.y;
double x4 = segment2.end.x;
double y4 = segment2.end.y;
double x = ((x4*y3-y4*x3)/(x4-x3) - (x2*y1-y2*x1)/(x2-x1)) /( (y2-y1)/(x2-x1) - (y4-y3)/(x4-x3));
if (inBounds(x, x1, x2) && inBounds(x, x3, x4)) {
return new Point(x, (segment1.slope * x - segment1.intercept), kind);
} else
return null;
}
}
}
public String buildConstraintDiagram(StructureDefinition profile) throws FHIRException, IOException {
File f = new File(Utilities.path(sourceFolder, diagramId+".svg"));
if (f.exists()) {
parseSvgFile(f, f.getAbsolutePath());
}
attributes = true;
innerClasses = true;
constraintMode = true;
classNames.add(profile.getName());
XhtmlNode doc = new XhtmlNode(NodeType.Element, "div");
XhtmlNode svg = doc.svg();
minx = 0;
miny = 0;
StructureDefinition sd = new SnapshotGenerationPreProcessor(putils).trimSnapshot(profile);
Point size = determineConstraintMetrics(sd);
adjustAllForMin(size);
svg.attribute("id", prefix+"n"+(++nc));
svg.attribute("version", "1.1");
svg.attribute("width", Double.toString(size.x));
svg.attribute("height", Double.toString(size.y));
shadowFilter(svg);
drawConstraintElement(svg, sd);
countDuplicateLinks();
XhtmlNode insertionPoint = svg.getChildNodes().get(0);
for (Link l : links) {
drawLink(svg, l, insertionPoint);
}
String s = new XhtmlComposer(true, true).compose(doc.getChildNodes());
produceOutput("\n"+s);
return s;
}
private void drawConstraintElement(XhtmlNode svg, StructureDefinition sd) throws FHIRException, IOException {
ElementDefinition ed = sd.getSnapshot().getElementFirstRep();
StructureDefinition base = context.fetchResource(StructureDefinition.class, sd.getBaseDefinition());
drawClass(svg, sd, ed, ed.getPath(), sd.getStandardsStatus(), base);
}
private Point determineConstraintMetrics(StructureDefinition sd) throws FHIRException, IOException {
double width = textWidth("Element") * 1.8;
double height = HEADER_HEIGHT + GAP_HEIGHT*2;
// if ("true".equals(ini.getStringProperty("diagram", "element-attributes"))) {
// height = height + LINE_HEIGHT + GAP_HEIGHT;
// width = textWidth("extension : Extension 0..*");
// }
Point p = new Point(0, 0, PointKind.unknown);
ClassItem item = new ClassItem(p.x, p.y, width, height, diagramId, null, ClassItemMode.NORMAL);
classes.put(null, item);
double x = item.right()+MARGIN_X;
double y = item.bottom()+MARGIN_Y;
ElementDefinition ed = sd.getSnapshot().getElementFirstRep();
StructureDefinition base = context.fetchResource(StructureDefinition.class, sd.getBaseDefinition());
p = determineMetrics(sd, ed, item, ed.getName(), null, base, ClassItemMode.NORMAL);
x = Math.max(x, p.x+MARGIN_X);
y = Math.max(y, p.y+MARGIN_Y);
return new Point(x, y, PointKind.unknown);
}
}
