src/mathed/InsetMathAMSArray.cpp

   1 /**
   2  * \file InsetMathAMSArray.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 "InsetMathAMSArray.h"
  14
  15 #include "LaTeXFeatures.h"
  16 #include "MathData.h"
  17 #include "MathStream.h"
  18 #include "MathSupport.h"
  19 #include "MetricsInfo.h"
  20
  21 #include "FuncRequest.h"
  22 #include "FuncStatus.h"
  23 #include "support/gettext.h"
  24
  25 #include "support/lstrings.h"
  26
  27 #include <ostream>
  28
  29
  30 namespace lyx {
  31
  32 using support::bformat;
  33
  34
  35 InsetMathAMSArray::InsetMathAMSArray(Buffer * buf, docstring const & name,
  36                 int m, int n)
  37         : InsetMathGrid(buf, m, n), name_(name)
  38 {}
  39
  40
  41 InsetMathAMSArray::InsetMathAMSArray(Buffer * buf, docstring const & name)
  42         : InsetMathGrid(buf, 1, 1), name_(name)
  43 {}
  44
  45
  46 Inset * InsetMathAMSArray::clone() const
  47 {
  48         return new InsetMathAMSArray(*this);
  49 }
  50
  51
  52 char const * InsetMathAMSArray::name_left() const
  53 {
  54         if (name_ == "bmatrix")
  55                 return "[";
  56         if (name_ == "Bmatrix")
  57                 return "{";
  58         if (name_ == "vmatrix")
  59                 return "|";
  60         if (name_ == "Vmatrix")
  61                 return "Vert";
  62         if (name_ == "pmatrix")
  63                 return "(";
  64         return ".";
  65 }
  66
  67
  68 char const * InsetMathAMSArray::name_right() const
  69 {
  70         if (name_ == "bmatrix")
  71                 return "]";
  72         if (name_ == "Bmatrix")
  73                 return "}";
  74         if (name_ == "vmatrix")
  75                 return "|";
  76         if (name_ == "Vmatrix")
  77                 return "Vert";
  78         if (name_ == "pmatrix")
  79                 return ")";
  80         return ".";
  81 }
  82
  83
  84 void InsetMathAMSArray::metrics(MetricsInfo & mi, Dimension & dim) const
  85 {
  86         ArrayChanger dummy(mi.base);
  87         InsetMathGrid::metrics(mi, dim);
  88         dim.wid += 14;
  89 }
  90
  91
  92 void InsetMathAMSArray::draw(PainterInfo & pi, int x, int y) const
  93 {
  94         Dimension const dim = dimension(*pi.base.bv);
  95         int const yy = y - dim.ascent();
  96         // Drawing the deco after an ArrayChanger does not work
  97         mathed_draw_deco(pi, x + 1, yy, 5, dim.height(), from_ascii(name_left()));
  98         mathed_draw_deco(pi, x + dim.width() - 8, yy, 5, dim.height(), from_ascii(name_right()));
  99         ArrayChanger dummy(pi.base);
 100         InsetMathGrid::drawWithMargin(pi, x, y, 6, 8);
 101 }
 102
 103
 104 bool InsetMathAMSArray::getStatus(Cursor & cur, FuncRequest const & cmd,
 105                 FuncStatus & flag) const
 106 {
 107         switch (cmd.action) {
 108         case LFUN_TABULAR_FEATURE: {
 109                 docstring const & s = cmd.argument();
 110                 if (s == "add-vline-left" || s == "add-vline-right") {
 111                         flag.message(bformat(
 112                                 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),       name_));
 113                         flag.setEnabled(false);
 114                         return true;
 115                 }
 116                 return InsetMathGrid::getStatus(cur, cmd, flag);
 117         }
 118         default:
 119                 return InsetMathGrid::getStatus(cur, cmd, flag);
 120         }
 121 }
 122
 123
 124 void InsetMathAMSArray::write(WriteStream & os) const
 125 {
 126         MathEnsurer ensurer(os);
 127         os << "\\begin{" << name_ << '}';
 128         InsetMathGrid::write(os);
 129         os << "\\end{" << name_ << '}';
 130 }
 131
 132
 133 void InsetMathAMSArray::infoize(odocstream & os) const
 134 {
 135         docstring name = name_;
 136         name[0] = support::uppercase(name[0]);
 137         os << name << ' ';
 138 }
 139
 140
 141 void InsetMathAMSArray::normalize(NormalStream & os) const
 142 {
 143         os << '[' << name_ << ' ';
 144         InsetMathGrid::normalize(os);
 145         os << ']';
 146 }
 147
 148
 149 void InsetMathAMSArray::validate(LaTeXFeatures & features) const
 150 {
 151         if (name_ == "CD")
 152                 // amscd is independent of amsmath although it is part of
 153                 // the amsmath bundle
 154                 features.require("amscd");
 155         else
 156                 features.require("amsmath");
 157         InsetMathGrid::validate(features);
 158 }
 159
 160
 161 } // namespace lyx