View

- First pass at the interface, structure and algorithm used by the
  new View object that will ultimately obsolete Table, Grid and Cell.

src/View.cpp

@@ -0,0 +1,184 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
+// All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 2 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <sstream>
+#include <View.h>
+
+////////////////////////////////////////////////////////////////////////////////
+View::View ()
+: _width (0)
+, _left_margin (0)
+, _odd (0)
+, _even (0)
+, _intra_padding (0)
+, _intra_odd (0)
+, _intra_even (0)
+, _extra_padding (0)
+, _extra_odd (0)
+, _extra_even (0)
+, _truncate (0)
+, _lines (0)
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+View::~View ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::add (Column* column)
+{
+  _columns.push_back (column);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::width (int width)
+{
+  _width = width;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::leftMargin (int margin)
+{
+  _left_margin = margin;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::colorOdd (Color& c)
+{
+  _odd = c;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::colorEven (Color& c)
+{
+  _even = c;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::intraPadding (int padding)
+{
+  _intra_padding = padding;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::intraColorOdd (Color& c)
+{
+  _intra_odd = c;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::intraColorEven (Color& c)
+{
+  _intra_even = c;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::extraPadding (int padding)
+{
+  _extra_padding = padding;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::extraColorOdd (Color& c)
+{
+  _extra_odd = c;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::extraColorEven (Color& c)
+{
+  _extra_even = c;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void View::truncate (int n)
+{
+  _truncate = n;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int View::lines ()
+{
+  return _lines;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//       +-------+  +-------+  +-------+
+//       |header |  |header |  |header |
+// +--+--+-------+--+-------+--+-------+--+
+// |ma|ex|cell   |in|cell   |in|cell   |ex|
+// +--+--+-------+--+-------+--+-------+--+
+// |ma|ex|cell   |in|cell   |in|cell   |ex|
+// +--+--+-------+--+-------+--+-------+--+
+// 
+std::string View::render (std::vector <Task>& data, std::vector <int>& sequence)
+{
+  // Determine minimal, ideal column widths.
+  std::vector <int> minimal;
+  std::vector <int> ideal;
+
+  std::vector <Column*>::iterator i;
+  for (i = _columns.begin (); i != _columns.end (); ++i)
+  {
+    int global_min = 0;
+    int global_ideal = 0;
+
+    std::vector <Task>::iterator d;
+    for (d = data.begin (); d != data.end (); ++d)
+    {
+      int min;
+      int ideal;
+      (*i)->measure (*d, min, ideal);
+
+      if (min > global_min)     global_min = min;
+      if (ideal > global_ideal) global_ideal = ideal;
+    }
+
+    minimal.push_back (global_min);
+    ideal.push_back (global_ideal);
+  }
+
+  // TODO Calculate final column widths.
+
+  // TODO Compose column headers.
+
+  // TODO Render column headers.
+
+  // TODO Compose, render columns, in sequence.
+  std::stringstream output;
+  std::vector <int>::iterator s;
+  for (s = sequence.begin (); s != sequence.end (); ++s)
+  {
+  }
+
+  return output.str ();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+