Example #1
0
  /** Notifies all views of a data reference change. */
  public void init() {
    final Data data = initHistory(gui.context);
    if (data != null) {
      // if a large database is opened, the user is asked if complex
      /// visualizations should be closed first
      final long size = data.meta.dbsize();
      boolean open = false;
      for (final View v : view) open |= v.visible() && v.db();
      if (open
          && size > LARGEDB
          && BaseXDialog.confirm(gui, Util.info(H_LARGE_DB, Performance.format(size)))) {
        for (final View v : view) if (v.visible() && v.db()) v.visible(false);
      }
    } else {
      // database closed: close open dialogs
      for (final Window w : gui.getOwnedWindows()) {
        if (w.isVisible() && w instanceof BaseXDialog) ((BaseXDialog) w).cancel();
      }
    }

    gui.context.focused = -1;
    for (final View v : view) v.refreshInit();
    gui.layoutViews();
    gui.setTitle(data != null ? data.meta.name : null);
  }
Example #2
0
 /** Notifies all views of updates in the data structure. */
 public void update() {
   final Data data = initHistory(gui.context);
   if (data == null) return;
   gui.context.marked = new Nodes(data);
   for (final View v : view) if (v.visible()) v.refreshUpdate();
   gui.refreshControls();
 }
Example #3
0
  /**
   * Notifies all views of a context change.
   *
   * @param nodes new context set (may be {@code null} if root nodes are addressed)
   * @param quick quick switch
   * @param vw the calling view
   */
  public void context(final Nodes nodes, final boolean quick, final View vw) {
    final Context ctx = gui.context;

    // add new entry if current node set has not been cached yet
    final Nodes newn = nodes.checkRoot();
    final Nodes empty = new Nodes(new int[0], ctx.data(), ctx.marked.ftpos);
    final Nodes curr = quick ? ctx.current() : null;
    final Nodes cmp = quick ? curr : ctx.marked;
    if (cont[hist] == null ? cmp != null : cmp == null || !cont[hist].sameAs(cmp)) {
      checkHist();
      if (quick) {
        // store history entry
        queries[hist] = "";
        marked[hist] = new Nodes(ctx.data());
        // add current entry
        cont[++hist] = curr;
      } else {
        // store history entry
        final String in = gui.input.getText();
        queries[hist] = in;
        marked[hist] = ctx.marked;
        // add current entry
        cont[++hist] = newn;
        queries[hist] = in;
        marked[hist] = empty;
      }
      histsize = hist;
    }
    ctx.set(newn, empty);

    for (final View v : view) if (v != vw && v.visible()) v.refreshContext(true, quick);
    gui.refreshControls();
  }
Example #4
0
 /**
  * Notifies all views of a selection change.
  *
  * @param mark marked nodes
  * @param vw the calling view
  */
 public void mark(final Nodes mark, final View vw) {
   final Context ctx = gui.context;
   ctx.marked = mark;
   for (final View v : view) if (v != vw && v.visible()) v.refreshMark();
   gui.filter.setEnabled(mark.size() != 0);
   gui.refreshControls();
 }
Example #5
0
  /**
   * Moves around in the internal history and notifies all views of a context change.
   *
   * @param forward move forward or backward
   */
  public void hist(final boolean forward) {
    final Context ctx = gui.context;
    final String query;
    if (forward) {
      if (hist == histsize) return;
      query = queries[++hist];
    } else {
      if (hist == 0) return;
      marked[hist] = ctx.marked;
      query = queries[--hist];
    }
    ctx.set(cont[hist], marked[hist]);

    gui.input.setText(query);
    for (final View v : view) if (v.visible()) v.refreshContext(forward, false);
    gui.refreshControls();
  }
  @Override
  public void paintComponent(final Graphics g) {
    super.paintComponent(g);

    // skip if view is unavailable
    if (tdata.rows == null) return;

    gui.painting = true;
    g.setFont(GUIConstants.font);

    final int w = getWidth() - scroll.getWidth();
    final int h = getHeight();
    final int fsz = gui.gprop.num(GUIProp.FONTSIZE);

    final Context context = tdata.context;
    final Data data = context.data();
    final int focus = gui.context.focused;
    final int rfocus = tdata.getRoot(data, focus);
    int mpos = 0;

    final int nCols = tdata.cols.length;
    final int nRows = tdata.rows.size();
    final int rowH = tdata.rowH;

    final TableIterator ti = new TableIterator(data, tdata);
    final TokenBuilder[] tb = new TokenBuilder[nCols];
    for (int i = 0; i < nCols; ++i) tb[i] = new TokenBuilder();

    focusedString = null;
    final Nodes marked = context.marked;
    int l = scroll.pos() / rowH - 1;
    int posY = -scroll.pos() + l * rowH;

    while (++l < nRows && marked != null) {
      // skip when all visible rows have been painted or if data has changed
      if (posY > h || l >= tdata.rows.size()) break;
      posY += rowH;

      final int pre = tdata.rows.get(l);
      while (mpos < marked.size() && marked.list[mpos] < pre) ++mpos;

      // draw line
      g.setColor(GUIConstants.color2);
      g.drawLine(0, posY + rowH - 1, w, posY + rowH - 1);
      g.setColor(Color.white);
      g.drawLine(0, posY + rowH, w, posY + rowH);

      // verify if current node is marked or focused
      final boolean rm = mpos < marked.size() && marked.list[mpos] == pre;
      final boolean rf = pre == rfocus;
      final int col = rm ? rf ? 5 : 4 : 3;
      if (rm || rf) {
        g.setColor(GUIConstants.color(col));
        g.fillRect(0, posY - 1, w, rowH);
        g.setColor(GUIConstants.color(col + 4));
        g.drawLine(0, posY - 1, w, posY - 1);
      }
      g.setColor(Color.black);

      // skip drawing of text during animation
      if (rowH < fsz) continue;

      // find all row contents
      ti.init(pre);
      int fcol = -1;
      while (ti.more()) {
        final int c = ti.col;
        if (ti.pre == focus || data.parent(ti.pre, data.kind(ti.pre)) == focus) fcol = c;

        // add content to column (skip too long contents)...
        if (tb[c].size() < 100) {
          if (tb[c].size() != 0) tb[c].add("; ");
          tb[c].add(data.text(ti.pre, ti.text));
        }
      }

      // add dots if content is too long
      for (final TokenBuilder t : tb) if (t.size() > 100) t.add(DOTS);

      // draw row contents
      byte[] focusStr = null;
      int fx = -1;
      double x = 1;
      for (int c = 0; c < nCols; ++c) {
        // draw single column
        final double cw = w * tdata.cols[c].width;
        final double ce = x + cw;

        if (ce != 0) {
          final byte[] str = tb[c].size() != 0 ? tb[c].finish() : null;
          if (str != null) {
            if (tdata.mouseX > x && tdata.mouseX < ce || fcol == c) {
              fx = (int) x;
              focusStr = str;
            }
            BaseXLayout.chopString(g, str, (int) x + 1, posY + 2, (int) cw - 4, fsz);
            tb[c].reset();
          }
        }
        x = ce;
      }

      // highlight focused entry
      if (rf || fcol != -1) {
        if (focusStr != null) {
          final int sw = BaseXLayout.width(g, focusStr) + 8;
          if (fx > w - sw - 2) fx = w - sw - 2;
          g.setColor(GUIConstants.color(col + 2));
          g.fillRect(fx - 2, posY, sw, rowH - 1);
          g.setColor(Color.black);
          BaseXLayout.chopString(g, focusStr, fx + 1, posY + 2, sw, fsz);

          // cache focused string
          focusedString = string(focusStr);
          final int i = focusedString.indexOf("; ");
          if (i != -1) focusedString = focusedString.substring(0, i);
        }
      }
    }
    gui.painting = false;
  }