src/mathed/InsetMathArray.cpp

   1 /**
   2  * \file InsetMathArray.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "InsetMathArray.h"
  14
  15 #include "LaTeXFeatures.h"
  16 #include "MathData.h"
  17 #include "MathParser.h"
  18 #include "MathStream.h"
  19 #include "MetricsInfo.h"
  20
  21 #include "support/lstrings.h"
  22
  23 #include <iterator>
  24 #include <sstream>
  25
  26 using namespace std;
  27
  28 namespace lyx {
  29
  30
  31 InsetMathArray::InsetMathArray(Buffer * buf, docstring const & name, int m,
  32                 int n)
  33         : InsetMathGrid(buf, m, n), name_(name)
  34 {}
  35
  36
  37 InsetMathArray::InsetMathArray(Buffer * buf, docstring const & name, int m,
  38                 int n, char valign, docstring const & halign)
  39         : InsetMathGrid(buf, m, n, valign, halign), name_(name)
  40 {}
  41
  42
  43 InsetMathArray::InsetMathArray(Buffer * buf, docstring const & name,
  44                 docstring const & str)
  45         : InsetMathGrid(buf, 1, 1), name_(name)
  46 {
  47         vector< vector<string> > dat;
  48         istringstream is(to_utf8(str));
  49         string line;
  50         while (getline(is, line)) {
  51                 istringstream ls(line);
  52                 typedef istream_iterator<string> iter;
  53                 vector<string> v = vector<string>(iter(ls), iter());
  54                 if (v.size())
  55                         dat.push_back(v);
  56         }
  57
  58         for (row_type row = 1; row < dat.size(); ++row)
  59                 addRow(0);
  60         for (col_type col = 1; col < dat[0].size(); ++col)
  61                 addCol(0);
  62         for (row_type row = 0; row < dat.size(); ++row)
  63                 for (col_type col = 0; col < dat[0].size(); ++col)
  64                         mathed_parse_cell(cell(index(row, col)),
  65                                           from_utf8(dat[row][col]), Parse::NORMAL);
  66 }
  67
  68
  69 Inset * InsetMathArray::clone() const
  70 {
  71         return new InsetMathArray(*this);
  72 }
  73
  74
  75 void InsetMathArray::metrics(MetricsInfo & mi, Dimension & dim) const
  76 {
  77         ArrayChanger dummy(mi.base);
  78         InsetMathGrid::metrics(mi, dim);
  79         dim.wid += 6;
  80 }
  81
  82
  83 Dimension const InsetMathArray::dimension(BufferView const & bv) const
  84 {
  85         Dimension dim = InsetMathGrid::dimension(bv);
  86         dim.wid += 6;
  87         return dim;
  88 }
  89
  90
  91 void InsetMathArray::draw(PainterInfo & pi, int x, int y) const
  92 {
  93         setPosCache(pi, x, y);
  94         ArrayChanger dummy(pi.base);
  95         InsetMathGrid::drawWithMargin(pi, x, y, 4, 2);
  96 }
  97
  98
  99 void InsetMathArray::write(WriteStream & os) const
 100 {
 101         MathEnsurer ensurer(os);
 102
 103         if (os.fragile())
 104                 os << "\\protect";
 105         os << "\\begin{" << name_ << '}';
 106
 107         char const v = verticalAlignment();
 108         if (v == 't' || v == 'b')
 109                 os << '[' << v << ']';
 110         os << '{' << horizontalAlignments() << "}\n";
 111
 112         InsetMathGrid::write(os);
 113
 114         if (os.fragile())
 115                 os << "\\protect";
 116         os << "\\end{" << name_ << '}';
 117         // adding a \n here is bad if the array is the last item
 118         // in an \eqnarray...
 119 }
 120
 121
 122 void InsetMathArray::infoize(odocstream & os) const
 123 {
 124         docstring name = name_;
 125         name[0] = support::uppercase(name[0]);
 126         os << name << ' ';
 127 }
 128
 129
 130 void InsetMathArray::normalize(NormalStream & os) const
 131 {
 132         os << '[' << name_ << ' ';
 133         InsetMathGrid::normalize(os);
 134         os << ']';
 135 }
 136
 137
 138 void InsetMathArray::maple(MapleStream & os) const
 139 {
 140         os << "array(";
 141         InsetMathGrid::maple(os);
 142         os << ')';
 143 }
 144
 145
 146 void InsetMathArray::validate(LaTeXFeatures & features) const
 147 {
 148         if (name_ == "subarray")
 149                 features.require("amsmath");
 150         InsetMathGrid::validate(features);
 151 }
 152
 153
 154 } // namespace lyx