Esempio n. 1
0
 /*
  * The Huffman class constructor
  */
 public Huffman(int Width, int Height) {
   bits = new Vector();
   bits.addElement(bitsDCluminance);
   bits.addElement(bitsACluminance);
   bits.addElement(bitsDCchrominance);
   bits.addElement(bitsACchrominance);
   val = new Vector();
   val.addElement(valDCluminance);
   val.addElement(valACluminance);
   val.addElement(valDCchrominance);
   val.addElement(valACchrominance);
   initHuf();
   code = code;
   ImageWidth = Width;
   ImageHeight = Height;
 }
 /*.................................................................................................................*/
 public TreeDisplayExtra createTreeDisplayExtra(TreeDisplay treeDisplay) {
   PAdjustToolExtra newPj = new PAdjustToolExtra(this, treeDisplay);
   extras.addElement(newPj);
   return newPj;
 }
  /** Method declaration */
  private void refreshTree() {

    tTree.removeAll();

    try {
      int color_table = Color.yellow.getRGB();
      int color_column = Color.orange.getRGB();
      int color_index = Color.red.getRGB();

      tTree.addRow("", dMeta.getURL(), "-", 0);

      String usertables[] = {"TABLE"};
      ResultSet result = dMeta.getTables(null, null, null, usertables);
      Vector tables = new Vector();

      // sqlbob@users Added remarks.
      Vector remarks = new Vector();

      while (result.next()) {
        tables.addElement(result.getString(3));
        remarks.addElement(result.getString(5));
      }

      result.close();

      for (int i = 0; i < tables.size(); i++) {
        String name = (String) tables.elementAt(i);
        String key = "tab-" + name + "-";

        tTree.addRow(key, name, "+", color_table);

        // sqlbob@users Added remarks.
        String remark = (String) remarks.elementAt(i);

        if ((remark != null) && !remark.trim().equals("")) {
          tTree.addRow(key + "r", " " + remark);
        }

        ResultSet col = dMeta.getColumns(null, null, name, null);

        while (col.next()) {
          String c = col.getString(4);
          String k1 = key + "col-" + c + "-";

          tTree.addRow(k1, c, "+", color_column);

          String type = col.getString(6);

          tTree.addRow(k1 + "t", "Type: " + type);

          boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;

          tTree.addRow(k1 + "n", "Nullable: " + nullable);
        }

        col.close();
        tTree.addRow(key + "ind", "Indices", "+", 0);

        ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
        String oldiname = null;

        while (ind.next()) {
          boolean nonunique = ind.getBoolean(4);
          String iname = ind.getString(6);
          String k2 = key + "ind-" + iname + "-";

          if ((oldiname == null || !oldiname.equals(iname))) {
            tTree.addRow(k2, iname, "+", color_index);
            tTree.addRow(k2 + "u", "Unique: " + !nonunique);

            oldiname = iname;
          }

          String c = ind.getString(9);

          tTree.addRow(k2 + "c-" + c + "-", c);
        }

        ind.close();
      }

      tTree.addRow("p", "Properties", "+", 0);
      tTree.addRow("pu", "User: "******"pr", "ReadOnly: " + cConn.isReadOnly());
      tTree.addRow("pa", "AutoCommit: " + cConn.getAutoCommit());
      tTree.addRow("pd", "Driver: " + dMeta.getDriverName());
      tTree.addRow("pp", "Product: " + dMeta.getDatabaseProductName());
      tTree.addRow("pv", "Version: " + dMeta.getDatabaseProductVersion());
    } catch (SQLException e) {
      tTree.addRow("", "Error getting metadata:", "-", 0);
      tTree.addRow("-", e.getMessage());
      tTree.addRow("-", e.getSQLState());
    }

    tTree.update();
  }
Esempio n. 4
0
 /**
  * Adds the specified class to a Vector to keep it from being garbage collected, causing static
  * fields to be reset.
  */
 public void register(Class c) {
   if (!classes.contains(c)) classes.addElement(c);
 }
Esempio n. 5
0
  /**
   * parse the text. When the text is parsed the width, height, leading are all calculated. The text
   * will only be truly parsed if the graphics context has changed or the text has changed or the
   * font has changed. Otherwise nothing is done when this method is called.
   *
   * @param g Graphics context.
   */
  public void parseText(Graphics g) {
    FontMetrics fm;
    TextState current = new TextState();
    char ch;
    Stack state = new Stack();
    int w = 0;

    if (lg != g) parse = true;
    lg = g;

    if (!parse) return;

    parse = false;
    width = 0;
    leading = 0;
    ascent = 0;
    descent = 0;
    height = 0;
    maxAscent = 0;
    maxDescent = 0;

    if (text == null || g == null) return;

    list.removeAllElements();

    if (font == null) current.f = g.getFont();
    else current.f = font;

    state.push(current);
    list.addElement(current);

    fm = g.getFontMetrics(current.f);

    for (int i = 0; i < text.length(); i++) {
      ch = text.charAt(i);

      switch (ch) {
        case '$':
          i++;
          if (i < text.length()) current.s.append(text.charAt(i));
          break;
          /*
           **                    Push the current state onto the state stack
           **                    and start a new storage string
           */
        case '{':
          w = current.getWidth(g);
          if (!current.isEmpty()) {
            current = current.copyState();
            list.addElement(current);
          }

          state.push(current);
          current.x += w;
          break;
          /*
           **                    Pop the state off the state stack and set the current
           **                    state to the top of the state stack
           */
        case '}':
          w = current.x + current.getWidth(g);
          state.pop();
          current = ((TextState) state.peek()).copyState();
          list.addElement(current);
          current.x = w;
          break;
        case '^':
          w = current.getWidth(g);
          if (!current.isEmpty()) {
            current = current.copyState();
            list.addElement(current);
          }
          current.f = getScriptFont(current.f);
          current.x += w;
          current.y -= (int) ((double) (current.getAscent(g)) * sup_offset + 0.5);
          break;
        case '_':
          w = current.getWidth(g);
          if (!current.isEmpty()) {
            current = current.copyState();
            list.addElement(current);
          }
          current.f = getScriptFont(current.f);
          current.x += w;
          current.y += (int) ((double) (current.getDescent(g)) * sub_offset + 0.5);
          break;

        default:
          current.s.append(ch);
          break;
      }
    }

    for (int i = 0; i < list.size(); i++) {
      current = ((TextState) (list.elementAt(i)));

      if (!current.isEmpty()) {
        width += current.getWidth(g);
        ascent = Math.max(ascent, Math.abs(current.y) + current.getAscent(g));
        descent = Math.max(descent, Math.abs(current.y) + current.getDescent(g));
        leading = Math.max(leading, current.getLeading(g));

        maxDescent = Math.max(maxDescent, Math.abs(current.y) + current.getMaxDescent(g));
        maxAscent = Math.max(maxAscent, Math.abs(current.y) + current.getMaxAscent(g));
      }
    }

    height = ascent + descent + leading;

    return;
  }
Esempio n. 6
0
 public void addLight(Light light) {
   lights.addElement(light);
 }
  /* Clear all existing nodes from the tree model and rebuild from scratch.
   */
  protected void refreshTree() {

    DefaultMutableTreeNode propertiesNode;
    DefaultMutableTreeNode leaf;

    // First clear the existing tree by simply enumerating
    // over the root node's children and removing them one by one.
    while (treeModel.getChildCount(rootNode) > 0) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) treeModel.getChild(rootNode, 0);

      treeModel.removeNodeFromParent(child);
      child.removeAllChildren();
      child.removeFromParent();
    }

    treeModel.nodeStructureChanged(rootNode);
    treeModel.reload();
    tScrollPane.repaint();

    // Now rebuild the tree below its root
    try {

      // Start by naming the root node from its URL:
      rootNode.setUserObject(dMeta.getURL());

      // get metadata about user tables by building a vector of table names
      String usertables[] = {"TABLE", "GLOBAL TEMPORARY", "VIEW"};
      ResultSet result = dMeta.getTables(null, null, null, usertables);
      Vector tables = new Vector();

      // sqlbob@users Added remarks.
      Vector remarks = new Vector();

      while (result.next()) {
        tables.addElement(result.getString(3));
        remarks.addElement(result.getString(5));
      }

      result.close();

      // For each table, build a tree node with interesting info
      for (int i = 0; i < tables.size(); i++) {
        String name = (String) tables.elementAt(i);
        DefaultMutableTreeNode tableNode = makeNode(name, rootNode);
        ResultSet col = dMeta.getColumns(null, null, name, null);

        // sqlbob@users Added remarks.
        String remark = (String) remarks.elementAt(i);

        if ((remark != null) && !remark.trim().equals("")) {
          makeNode(remark, tableNode);
        }

        // With a child for each column containing pertinent attributes
        while (col.next()) {
          String c = col.getString(4);
          DefaultMutableTreeNode columnNode = makeNode(c, tableNode);
          String type = col.getString(6);

          makeNode("Type: " + type, columnNode);

          boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;

          makeNode("Nullable: " + nullable, columnNode);
        }

        col.close();

        DefaultMutableTreeNode indexesNode = makeNode("Indices", tableNode);
        ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
        String oldiname = null;

        // A child node to contain each index - and its attributes
        while (ind.next()) {
          DefaultMutableTreeNode indexNode = null;
          boolean nonunique = ind.getBoolean(4);
          String iname = ind.getString(6);

          if ((oldiname == null || !oldiname.equals(iname))) {
            indexNode = makeNode(iname, indexesNode);

            makeNode("Unique: " + !nonunique, indexNode);

            oldiname = iname;
          }

          // And the ordered column list for index components
          makeNode(ind.getString(9), indexNode);
        }

        ind.close();
      }

      // Finally - a little additional metadata on this connection
      propertiesNode = makeNode("Properties", rootNode);

      makeNode("User: "******"ReadOnly: " + cConn.isReadOnly(), propertiesNode);
      makeNode("AutoCommit: " + cConn.getAutoCommit(), propertiesNode);
      makeNode("Driver: " + dMeta.getDriverName(), propertiesNode);
      makeNode("Product: " + dMeta.getDatabaseProductName(), propertiesNode);
      makeNode("Version: " + dMeta.getDatabaseProductVersion(), propertiesNode);
    } catch (SQLException se) {
      propertiesNode = makeNode("Error getting metadata:", rootNode);

      makeNode(se.getMessage(), propertiesNode);
      makeNode(se.getSQLState(), propertiesNode);
    }

    treeModel.nodeStructureChanged(rootNode);
    treeModel.reload();
    tScrollPane.repaint();
  }