Add questionnaire renderer

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/QuestionnaireRenderer.java

@@ -0,0 +1,157 @@
+package org.hl7.fhir.r5.renderers;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.List;
+
+import org.hl7.fhir.r5.model.DomainResource;
+import org.hl7.fhir.r5.model.Questionnaire;
+import org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent;
+import org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemInitialComponent;
+import org.hl7.fhir.r5.renderers.utils.RenderingContext;
+import org.hl7.fhir.utilities.xhtml.HierarchicalTableGenerator;
+import org.hl7.fhir.utilities.xhtml.HierarchicalTableGenerator.Cell;
+import org.hl7.fhir.utilities.xhtml.HierarchicalTableGenerator.Row;
+import org.hl7.fhir.utilities.xhtml.HierarchicalTableGenerator.TableModel;
+import org.hl7.fhir.utilities.xhtml.XhtmlNode;
+
+public class QuestionnaireRenderer extends ResourceRenderer {
+  
+  private String directory;
+  private String defnFile;
+  private boolean inlineGraphics;
+  
+  private boolean tree;
+  
+  public QuestionnaireRenderer(RenderingContext context) {
+    super(context);
+  }
+
+  public boolean isTree() {
+    return tree;
+  }
+
+  public void setTree(boolean tree) {
+    this.tree = tree;
+  }
+
+  public boolean render(XhtmlNode x, DomainResource q) throws UnsupportedEncodingException, IOException {
+    return render(x, (Questionnaire) q);
+  }
+  
+  public boolean render(XhtmlNode x, Questionnaire q) throws UnsupportedEncodingException, IOException {
+    if (tree) {
+      return renderTree(x, q);
+    } else {
+      return renderForm(x, q);      
+    }
+  }
+  
+  public boolean renderTree(XhtmlNode x, Questionnaire q) throws UnsupportedEncodingException, IOException {
+    HierarchicalTableGenerator gen = new HierarchicalTableGenerator(context.getDirectory(), context.isInlineGraphics(), true);
+    TableModel model = gen.new TableModel("qtree="+q.getId(), true);    
+    model.setAlternating(true);
+    model.setDocoImg(context.getPrefix() +"help16.png");
+    model.setDocoRef(context.getPrefix()+"formats.html#table");
+    model.getTitles().add(gen.new Title(null, model.getDocoRef(), translate("sd.head", "LinkId"), translate("sd.hint", "The linkId for the item"), null, 0));
+    model.getTitles().add(gen.new Title(null, model.getDocoRef(), translate("sd.head", "Text"), translate("sd.hint", "Text for the item"), null, 0));
+    model.getTitles().add(gen.new Title(null, model.getDocoRef(), translate("sd.head", "Cardinality"), translate("sd.hint", "Minimum and Maximum # of times the the itemcan appear in the instance"), null, 0));
+    model.getTitles().add(gen.new Title(null, model.getDocoRef(), translate("sd.head", "Type"), translate("sd.hint", "The type of the item"), null, 0));
+    model.getTitles().add(gen.new Title(null, model.getDocoRef(), translate("sd.head", "Description & Constraints"), translate("sd.hint", "Additional information about the item"), null, 0));
+
+    boolean hasExt = false;
+    for (QuestionnaireItemComponent i : q.getItem()) {
+      hasExt = renderTreeItem(gen, model.getRows(), q, i) || hasExt;
+    }
+    return hasExt;
+  }
+
+  private boolean renderTreeItem(HierarchicalTableGenerator gen, List<Row> rows, Questionnaire q, QuestionnaireItemComponent i) {
+    Row r = gen.new Row();
+    rows.add(r);
+    boolean hasExt = false;
+
+    r.getCells().add(gen.new Cell(null, context.getDefnFile() == null ? "" : context.getDefnFile()+"-definitions.html#extension."+i.getLinkId(), i.getLinkId(), null, null));
+    String txt = (i.hasPrefix() ? i.getPrefix() + ". " : "") + i.getText();
+    r.getCells().add(gen.new Cell(null, null, txt, null, null));
+    r.getCells().add(gen.new Cell(null, null, (i.getRequired() ? "1" : "0")+".."+(i.getRepeats() ? "*" : "1"), null, null));
+    r.getCells().add(gen.new Cell(null, context.getPrefix()+"codesystem-item-type.html#"+i.getType().toCode(), i.getType().toCode(), null, null));
+    Cell defn = gen.new Cell(null, null, null, null, null);
+    r.getCells().add(defn);
+
+    if (i.hasMaxLength()) {
+      defn.getPieces().add(gen.new Piece(null, "Max Length: ", null));
+      defn.getPieces().add(gen.new Piece(null, Integer.toString(i.getMaxLength()), null));
+    }
+    if (i.hasDefinition()) {
+      if (!defn.getPieces().isEmpty()) defn.addPiece(gen.new Piece("br"));
+      defn.getPieces().add(gen.new Piece(null, "Definition: ", null));
+      defn.getPieces().add(gen.new Piece(null, i.getDefinition(), null));
+      
+    }
+    if (i.hasEnableWhen()) {
+      if (!defn.getPieces().isEmpty()) defn.addPiece(gen.new Piece("br"));
+      defn.getPieces().add(gen.new Piece(null, "Enable When: ", null));
+      defn.getPieces().add(gen.new Piece(null, "todo", null));      
+    }
+    if (i.hasAnswerValueSet()) {
+      if (!defn.getPieces().isEmpty()) defn.addPiece(gen.new Piece("br"));
+      defn.getPieces().add(gen.new Piece(null, "Value Set: ", null));
+      defn.getPieces().add(gen.new Piece(null, "todo", null));            
+    }
+    if (i.hasAnswerOption()) {
+      if (!defn.getPieces().isEmpty()) defn.addPiece(gen.new Piece("br"));
+      defn.getPieces().add(gen.new Piece(null, "Options: ", null));
+      defn.getPieces().add(gen.new Piece(null, "todo", null));            
+    }
+    if (i.hasInitial()) {
+      for (QuestionnaireItemInitialComponent v : i.getInitial()) {
+        if (!defn.getPieces().isEmpty()) defn.addPiece(gen.new Piece("br"));
+        defn.getPieces().add(gen.new Piece(null, "Initial Value: ", null));
+        defn.getPieces().add(gen.new Piece(null, v.getValue().fhirType(), null));
+        defn.getPieces().add(gen.new Piece(null, " = ", null));
+        if (v.getValue().isPrimitive()) {
+          defn.getPieces().add(gen.new Piece(null, v.getValue().primitiveValue(), null));
+        } else {
+          defn.getPieces().add(gen.new Piece(null, "{todo}", null));          
+        }
+      }
+    }
+    
+    for (QuestionnaireItemComponent c : i.getItem()) {
+      hasExt = renderTreeItem(gen, rows, q, c) || hasExt;
+    }
+    return hasExt;
+    
+  }
+
+
+  public boolean renderForm(XhtmlNode x, Questionnaire q) throws UnsupportedEncodingException, IOException {
+    boolean hasExt = false;
+    XhtmlNode d = x.div();
+    for (QuestionnaireItemComponent c : q.getItem()) {
+      hasExt = renderFormItem(d, q, c) || hasExt;
+    }
+    return hasExt; 
+  }
+
+  private boolean renderFormItem(XhtmlNode x, Questionnaire q, QuestionnaireItemComponent i) {
+    boolean hasExt = false;
+    XhtmlNode d = x.div();
+    d.para().tx(i.getText());
+
+    for (QuestionnaireItemComponent c : i.getItem()) {
+      hasExt = renderFormItem(d, q, c) || hasExt;
+    }
+    return hasExt; 
+  }
+
+  public String display(DomainResource dr) throws UnsupportedEncodingException, IOException {
+    return display((Questionnaire) dr);
+  }
+
+  public String display(Questionnaire q) throws UnsupportedEncodingException, IOException {
+    return "Questionnaire "+q.present();
+  }
+  
+}