Example #1
0
  /**
   * Carries out preprocessing that makes JEuclid handle the document better.
   *
   * @param doc Document
   */
  static void preprocessForJEuclid(Document doc) {
    // underbrace and overbrace
    NodeList list = doc.getElementsByTagName("mo");
    for (int i = 0; i < list.getLength(); i++) {
      Element mo = (Element) list.item(i);
      String parentName = ((Element) mo.getParentNode()).getTagName();
      if (parentName == null) {
        continue;
      }
      if (parentName.equals("munder") && isTextChild(mo, "\ufe38")) {
        mo.setAttribute("stretchy", "true");
        mo.removeChild(mo.getFirstChild());
        mo.appendChild(doc.createTextNode("\u23df"));
      } else if (parentName.equals("mover") && isTextChild(mo, "\ufe37")) {
        mo.setAttribute("stretchy", "true");
        mo.removeChild(mo.getFirstChild());
        mo.appendChild(doc.createTextNode("\u23de"));
      }
    }

    // menclose for long division doesn't allow enough top padding. Oh, and
    // <mpadded> isn't implemented. And there isn't enough padding to left of
    // the bar either. Solve by adding an <mover> with just an <mspace> over#
    // the longdiv, contained within an mrow that adds a <mspace> before it.
    list = doc.getElementsByTagName("menclose");
    for (int i = 0; i < list.getLength(); i++) {
      Element menclose = (Element) list.item(i);
      // Only for longdiv
      if (!"longdiv".equals(menclose.getAttribute("notation"))) {
        continue;
      }
      Element mrow = doc.createElementNS(WebMathsService.NS, "mrow");
      Element mover = doc.createElementNS(WebMathsService.NS, "mover");
      Element mspace = doc.createElementNS(WebMathsService.NS, "mspace");
      Element mspaceW = doc.createElementNS(WebMathsService.NS, "mspace");
      boolean previousElement = false;
      for (Node previous = menclose.getPreviousSibling();
          previous != null;
          previous = previous.getPreviousSibling()) {
        if (previous.getNodeType() == Node.ELEMENT_NODE) {
          previousElement = true;
          break;
        }
      }
      if (previousElement) {
        mspaceW.setAttribute("width", "4px");
      }
      menclose.getParentNode().insertBefore(mrow, menclose);
      menclose.getParentNode().removeChild(menclose);
      mrow.appendChild(mspaceW);
      mrow.appendChild(mover);
      mover.appendChild(menclose);
      mover.appendChild(mspace);
    }
  }
Example #2
0
  /** used for cut and paste. */
  public void addObjectFromClipboard(String a_value) throws CircularIncludeException {
    Reader reader = new StringReader(a_value);
    Document document = null;
    try {
      document = UJAXP.getDocument(reader);
    } catch (Exception e) {
      e.printStackTrace();
      return;
    } // try-catch

    Element root = document.getDocumentElement();
    if (!root.getNodeName().equals("clipboard")) {
      return;
    } // if

    Node child;
    for (child = root.getFirstChild(); child != null; child = child.getNextSibling()) {
      if (!(child instanceof Element)) {
        continue;
      } // if
      Element element = (Element) child;

      IGlyphFactory factory = GlyphFactory.getFactory();

      if (XModule.isMatch(element)) {
        EModuleInvoke module = (EModuleInvoke) factory.createXModule(element);
        addModule(module);
        continue;
      } // if

      if (XContour.isMatch(element)) {
        EContour contour = (EContour) factory.createXContour(element);
        addContour(contour);
        continue;
      } // if

      if (XInclude.isMatch(element)) {
        EIncludeInvoke include = (EIncludeInvoke) factory.createXInclude(element);
        addInclude(include);
        continue;
      } // if
    } // while
  }
Example #3
0
  /**
   * Process a track element. This should return a single track, but could return multiple tracks
   * since the uniqueness of the track id is not enforced.
   *
   * @param session
   * @param element
   * @param additionalInformation
   * @return
   */
  private List<Track> processTrack(
      Session session, Element element, HashMap additionalInformation) {

    String id = getAttribute(element, SessionAttribute.ID.getText());

    // TODo -- put in utility method, extacts attributes from element **Definitely need to do this
    HashMap<String, String> tAttributes = new HashMap();
    HashMap<String, String> drAttributes = null;

    NamedNodeMap tNodeMap = element.getAttributes();
    for (int i = 0; i < tNodeMap.getLength(); i++) {
      Node node = tNodeMap.item(i);
      String value = node.getNodeValue();
      if (value != null && value.length() > 0) {
        tAttributes.put(node.getNodeName(), value);
      }
    }

    if (element.hasChildNodes()) {
      drAttributes = new HashMap();
      Node childNode = element.getFirstChild();
      Node sibNode = childNode.getNextSibling();
      String sibName = sibNode.getNodeName();
      if (sibName.equals(SessionElement.DATA_RANGE.getText())) {
        NamedNodeMap drNodeMap = sibNode.getAttributes();
        for (int i = 0; i < drNodeMap.getLength(); i++) {
          Node node = drNodeMap.item(i);
          String value = node.getNodeValue();
          if (value != null && value.length() > 0) {
            drAttributes.put(node.getNodeName(), value);
          }
        }
      }
    }

    // Get matching tracks.
    List<Track> matchedTracks = trackDictionary.get(id);

    if (matchedTracks == null) {
      log.info("Warning.  No tracks were found with id: " + id + " in session file");
    } else {
      for (final Track track : matchedTracks) {

        // Special case for sequence & gene tracks,  they need to be removed before being placed.
        if (version >= 4 && track == geneTrack || track == seqTrack) {
          igv.removeTracks(Arrays.asList(track));
        }

        track.restorePersistentState(tAttributes);
        if (drAttributes != null) {
          DataRange dr = track.getDataRange();
          dr.restorePersistentState(drAttributes);
          track.setDataRange(dr);
        }
      }
      trackDictionary.remove(id);
    }

    NodeList elements = element.getChildNodes();
    process(session, elements, additionalInformation);

    return matchedTracks;
  }
  @Override
  protected void initChildren(Element eThis) throws OmException {
    Node nPrevious = eThis.getPreviousSibling();
    if (nPrevious != null && nPrevious instanceof Text) {
      String sText = ((Text) nPrevious).getData();
      if (sText.length() > 0 && Character.isWhitespace(sText.charAt(sText.length() - 1)))
        bSpaceBefore = true;
    }
    Node nAfter = eThis.getNextSibling();
    if (nAfter != null && nAfter instanceof Text) {
      String sText = ((Text) nAfter).getData();
      if (sText.length() > 0 && Character.isWhitespace(sText.charAt(0))) bSpaceAfter = true;
    }

    List<Place> lPlaces = new LinkedList<Place>();
    int iPlace = 0;
    StringBuffer sbText = new StringBuffer();
    for (Node n = eThis.getFirstChild(); n != null; n = n.getNextSibling()) {
      if (n instanceof Element) {
        Element eplace = (Element) n;
        if (!eplace.getTagName().equals("eplace"))
          throw new OmFormatException("<equation> may only contain text and <eplace> tags");
        Element[] aeChildren = XML.getChildren(eplace);
        QComponent qcChild;
        boolean bImplicit = false;
        if (aeChildren.length != 1) // Treats more than one child as inside <t>
        {
          qcChild = getQDocument().build(this, eplace, "t");
          bImplicit = true;
        } else // Treats single child as specific component (auto-sizing works)
        qcChild = getQDocument().build(this, aeChildren[0], null);
        addChild(qcChild); // Must be stored in standard child array so it
        // can be found etc.

        // See if width/height is specified
        int iWidth, iHeight;
        if (eplace.hasAttribute("width") && eplace.hasAttribute("height")) {
          try {
            iWidth = Integer.parseInt(eplace.getAttribute("width"));
            iHeight = Integer.parseInt(eplace.getAttribute("height"));
          } catch (NumberFormatException nfe) {
            throw new OmFormatException("<equation> <eplace>: width= and height= must be integers");
          }
        } else {
          Dimension d = qcChild.getApproximatePixelSize();
          if (d == null)
            throw new OmFormatException(
                "<equation> <eplace>: Except for components that support automatic "
                    + "size estimation and fixing, <eplace> must include width= and height=");
          iWidth = d.width;
          iHeight = d.height;
        }

        Place p = new Place();
        p.sID = "p" + (iPlace++);
        p.qc = qcChild;
        p.iWidth = iWidth;
        p.iHeight = iHeight;
        p.bImplicit = bImplicit;
        if (!eplace.hasAttribute("label"))
          throw new OmFormatException("<equation> <eplace>: Must include label=");
        if (eplace.hasAttribute("label")) p.sLabel = eplace.getAttribute("label");
        else p.sLabel = null;
        if (eplace.hasAttribute("for")) p.sLabelFor = eplace.getAttribute("for");
        else if (qcChild instanceof Labelable) p.sLabelFor = qcChild.getID();
        lPlaces.add(p);

        // Add in the equation format text representing the placeholder
        sbText.append("\\placeholder{" + p.sID + "}{" + p.iWidth + "," + p.iHeight + "}");
      } else if (n instanceof Text) {
        sbText.append(n.getNodeValue());
      }
    }
    sEquation = sbText.toString();
    apPlaces = lPlaces.toArray(new Place[0]);
  }
  /**
   * creates a new image
   *
   * @param svgHandle a svg handle
   * @param resourceId the id of the resource from which the image will be created
   */
  protected void createNewImage(SVGHandle svgHandle, String resourceId) {

    if (svgHandle != null && resourceId != null && !resourceId.equals("")) {

      Element resourceElement = null;

      resourceElement =
          svgHandle.getScrollPane().getSVGCanvas().getDocument().getElementById(resourceId);

      final String fresourceId = resourceId;

      if (resourceElement != null) {

        final SVGHandle fhandle = svgHandle;

        // creating the canvas and setting its properties
        final JSVGCanvas canvas =
            new JSVGCanvas() {

              @Override
              public void dispose() {

                removeKeyListener(listener);
                removeMouseMotionListener(listener);
                removeMouseListener(listener);
                disableInteractions = true;
                selectableText = false;
                userAgent = null;

                bridgeContext.dispose();
                super.dispose();
              }
            };

        // the element to be added
        Element elementToAdd = null;

        canvas.setDocumentState(JSVGComponent.ALWAYS_STATIC);
        canvas.setDisableInteractions(true);

        // creating the new document
        final String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI;
        final SVGDocument doc = (SVGDocument) resourceElement.getOwnerDocument().cloneNode(false);

        // creating the root element
        final Element root =
            (Element)
                doc.importNode(resourceElement.getOwnerDocument().getDocumentElement(), false);
        doc.appendChild(root);

        // removing all the attributes of the root element
        NamedNodeMap attributes = doc.getDocumentElement().getAttributes();

        for (int i = 0; i < attributes.getLength(); i++) {

          if (attributes.item(i) != null) {

            doc.getDocumentElement().removeAttribute(attributes.item(i).getNodeName());
          }
        }

        // adding the new attributes for the root
        root.setAttributeNS(null, "width", imageSize.width + "");
        root.setAttributeNS(null, "height", imageSize.height + "");
        root.setAttributeNS(null, "viewBox", "0 0 " + imageSize.width + " " + imageSize.height);

        // the defs element that will contain the cloned resource node
        final Element defs = (Element) doc.importNode(resourceElement.getParentNode(), true);
        root.appendChild(defs);

        if (resourceElement.getNodeName().equals("linearGradient")
            || resourceElement.getNodeName().equals("radialGradient")
            || resourceElement.getNodeName().equals("pattern")) {

          // the rectangle that will be drawn
          final Element rect = doc.createElementNS(svgNS, "rect");
          rect.setAttributeNS(null, "x", "0");
          rect.setAttributeNS(null, "y", "0");
          rect.setAttributeNS(null, "width", imageSize.width + "");
          rect.setAttributeNS(null, "height", imageSize.height + "");

          elementToAdd = rect;

          // setting that the rectangle uses the resource
          String id = resourceElement.getAttribute("id");

          if (id == null) {

            id = "";
          }

          rect.setAttributeNS(null, "style", "fill:url(#" + id + ");");

          // getting the cloned resource node
          Node cur = null;
          Element clonedResourceElement = null;
          String id2 = "";

          for (cur = defs.getFirstChild(); cur != null; cur = cur.getNextSibling()) {

            if (cur instanceof Element) {

              id2 = ((Element) cur).getAttribute("id");

              if (id2 != null && id.equals(id2)) {

                clonedResourceElement = (Element) cur;
              }
            }
          }

          if (clonedResourceElement != null) {

            // getting the root element of the initial resource
            // element
            Element initialRoot = resourceElement.getOwnerDocument().getDocumentElement();

            // getting the width and height of the initial root
            // element
            double initialWidth = 0, initialHeight = 0;

            try {
              initialWidth =
                  EditorToolkit.getPixelledNumber(initialRoot.getAttributeNS(null, "width"));
              initialHeight =
                  EditorToolkit.getPixelledNumber(initialRoot.getAttributeNS(null, "height"));
            } catch (DOMException ex) {
              ex.printStackTrace();
            }

            if (resourceElement.getNodeName().equals("linearGradient")) {

              if (resourceElement.getAttributeNS(null, "gradientUnits").equals("userSpaceOnUse")) {

                double x1 = 0, y1 = 0, x2 = 0, y2 = 0;

                // normalizing the values for the vector to fit
                // the rectangle
                try {
                  x1 = Double.parseDouble(resourceElement.getAttributeNS(null, "x1"));
                  y1 = Double.parseDouble(resourceElement.getAttributeNS(null, "y1"));
                  x2 = Double.parseDouble(resourceElement.getAttributeNS(null, "x2"));
                  y2 = Double.parseDouble(resourceElement.getAttributeNS(null, "y2"));

                  x1 = x1 / initialWidth * imageSize.width;
                  y1 = y1 / initialHeight * imageSize.height;
                  x2 = x2 / initialWidth * imageSize.width;
                  y2 = y2 / initialHeight * imageSize.height;
                } catch (NumberFormatException | DOMException ex) {
                  ex.printStackTrace();
                }

                clonedResourceElement.setAttributeNS(null, "x1", format.format(x1));
                clonedResourceElement.setAttributeNS(null, "y1", format.format(y1));
                clonedResourceElement.setAttributeNS(null, "x2", format.format(x2));
                clonedResourceElement.setAttributeNS(null, "y2", format.format(y2));
              }

            } else if (resourceElement.getNodeName().equals("radialGradient")) {

              if (resourceElement.getAttributeNS(null, "gradientUnits").equals("userSpaceOnUse")) {

                double cx = 0, cy = 0, r = 0, fx = 0, fy = 0;

                // normalizing the values for the circle to fit
                // the rectangle
                try {
                  cx = Double.parseDouble(resourceElement.getAttributeNS(null, "cx"));
                  cy = Double.parseDouble(resourceElement.getAttributeNS(null, "cy"));
                  r = Double.parseDouble(resourceElement.getAttributeNS(null, "r"));
                  fx = Double.parseDouble(resourceElement.getAttributeNS(null, "fx"));
                  fy = Double.parseDouble(resourceElement.getAttributeNS(null, "fy"));

                  cx = cx / initialWidth * imageSize.width;
                  cy = cy / initialHeight * imageSize.height;

                  r =
                      r
                          / (Math.abs(
                              Math.sqrt(Math.pow(initialWidth, 2) + Math.pow(initialHeight, 2))))
                          * Math.abs(
                              Math.sqrt(
                                  Math.pow(imageSize.width, 2) + Math.pow(imageSize.width, 2)));

                  fx = fx / initialWidth * imageSize.width;
                  fy = fy / initialHeight * imageSize.height;
                } catch (NumberFormatException | DOMException ex) {
                  ex.printStackTrace();
                }

                clonedResourceElement.setAttributeNS(null, "cx", format.format(cx));
                clonedResourceElement.setAttributeNS(null, "cy", format.format(cy));
                clonedResourceElement.setAttributeNS(null, "r", format.format(r));
                clonedResourceElement.setAttributeNS(null, "fx", format.format(fx));
                clonedResourceElement.setAttributeNS(null, "fy", format.format(fy));
              }

            } else if (resourceElement.getNodeName().equals("pattern")) {

              if (resourceElement.getAttributeNS(null, "patternUnits").equals("userSpaceOnUse")) {

                double x = 0, y = 0, w = 0, h = 0;

                // normalizing the values for the vector to fit
                // the rectangle
                try {
                  String xString = resourceElement.getAttributeNS(null, "x");
                  if (!xString.equals("")) {
                    x = Double.parseDouble(xString);
                  }
                  String yString = resourceElement.getAttributeNS(null, "y");
                  if (!yString.equals("")) {
                    y = Double.parseDouble(yString);
                  }
                  String wString = resourceElement.getAttributeNS(null, "w");
                  if (!wString.equals("")) {
                    w = Double.parseDouble(wString);
                  }
                  String hString = resourceElement.getAttributeNS(null, "h");
                  if (!hString.equals("")) {
                    h = Double.parseDouble(hString);
                  }

                  x = x / initialWidth * imageSize.width;
                  y = y / initialHeight * imageSize.height;
                  w = w / initialWidth * imageSize.width;
                  h = h / initialHeight * imageSize.height;
                } catch (NumberFormatException | DOMException ex) {
                  ex.printStackTrace();
                }

                clonedResourceElement.setAttributeNS(null, "x", format.format(x));
                clonedResourceElement.setAttributeNS(null, "y", format.format(y));
                clonedResourceElement.setAttributeNS(null, "width", format.format(w));
                clonedResourceElement.setAttributeNS(null, "height", format.format(h));
              }
            }
          }

        } else if (resourceElement.getNodeName().equals("marker")) {

          // the line that will be drawn
          final Element line = doc.createElementNS(svgNS, "line");
          line.setAttributeNS(null, "x1", (((double) imageSize.width) / 2) + "");
          line.setAttributeNS(null, "y1", (((double) imageSize.height) / 2) + "");
          line.setAttributeNS(null, "x2", ((double) imageSize.width / 2) + "");
          line.setAttributeNS(null, "y2", imageSize.height + "");

          elementToAdd = line;

          // setting that the line uses the resource
          String id = resourceElement.getAttribute("id");
          if (id == null) id = "";
          line.setAttributeNS(
              null, "style", "stroke:none;fill:none;marker-start:url(#" + id + ");");
        }

        root.appendChild(elementToAdd);

        // adding a rendering listener to the canvas
        GVTTreeRendererAdapter gVTTreeRendererAdapter =
            new GVTTreeRendererAdapter() {

              @Override
              public void gvtRenderingCompleted(GVTTreeRendererEvent evt) {

                Image bufferedImage = canvas.getOffScreen();

                if (bufferedImage != null) {

                  Graphics g = bufferedImage.getGraphics();
                  Color borderColor = MetalLookAndFeel.getSeparatorForeground();

                  g.setColor(borderColor);
                  g.drawRect(0, 0, imageSize.width - 1, imageSize.height - 1);
                }

                setImage(fhandle, fresourceId, bufferedImage);

                // refreshing the panels that have been created when no
                // image was available for them
                Image image = null;

                for (ResourceRepresentation resourceRepresentation :
                    new LinkedList<ResourceRepresentation>(resourceRepresentationList)) {

                  if (resourceRepresentation != null) {

                    resourceRepresentation.refreshRepresentation();
                    image = resourceRepresentation.getImage();

                    if (image != null) {

                      resourceRepresentationList.remove(resourceRepresentation);
                    }
                  }
                }

                canvas.removeGVTTreeRendererListener(this);
                canvas.stopProcessing();
                canvas.dispose();
              }
            };

        canvas.addGVTTreeRendererListener(gVTTreeRendererAdapter);

        // setting the document for the canvas
        canvas.setSVGDocument(doc);

        canvas.setBackground(Color.white);
        canvas.setBounds(1, 1, imageSize.width, imageSize.height);
      }
    }
  }