1 /**
2 * \file InsetMathSplit.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 "InsetMathSplit.h"
14
15 #include "MathData.h"
16 #include "MathStream.h"
17 #include "MathSupport.h"
18
19 #include "Buffer.h"
20 #include "FuncRequest.h"
21 #include "FuncStatus.h"
22 #include "support/gettext.h"
23 #include "LaTeXFeatures.h"
24 #include "MetricsInfo.h"
25
26 #include "support/lstrings.h"
27
28 #include <ostream>
29
30 using namespace std;
31
32 namespace lyx {
33
34 using support::bformat;
35
36
37 // FIXME: handle numbers in gui, currently they are only read and written
38
InsetMathSplit(Buffer * buf,docstring const & name,char valign,bool numbered)39 InsetMathSplit::InsetMathSplit(Buffer * buf, docstring const & name,
40 char valign, bool numbered)
41 : InsetMathGrid(buf, 1, 1, valign, docstring()), name_(name),
42 numbered_(numbered)
43 {
44 }
45
46
clone() const47 Inset * InsetMathSplit::clone() const
48 {
49 return new InsetMathSplit(*this);
50 }
51
52
defaultColAlign(col_type col)53 char InsetMathSplit::defaultColAlign(col_type col)
54 {
55 if (name_ == "gathered")
56 return 'c';
57 if (name_ == "lgathered")
58 return 'l';
59 if (name_ == "rgathered")
60 return 'r';
61 if (name_ == "split"
62 || name_ == "aligned"
63 || name_ == "align"
64 || name_ == "alignedat")
65 return colAlign(hullAlign, col);
66 return 'l';
67 }
68
69
displayColAlign(idx_type idx) const70 char InsetMathSplit::displayColAlign(idx_type idx) const
71 {
72 if (name_ == "gathered")
73 return 'c';
74 if (name_ == "lgathered")
75 return 'l';
76 if (name_ == "rgathered")
77 return 'r';
78 if (name_ == "split"
79 || name_ == "aligned"
80 || name_ == "align"
81 || name_ == "alignedat")
82 return colAlign(hullAlign, col(idx));
83 return InsetMathGrid::displayColAlign(idx);
84 }
85
86
displayColSpace(col_type col) const87 int InsetMathSplit::displayColSpace(col_type col) const
88 {
89 if (name_ == "split" || name_ == "aligned" || name_ == "align")
90 return colSpace(hullAlign, col);
91 if (name_ == "alignedat")
92 return colSpace(hullAlignAt, col);
93 return 0;
94 }
95
96
97
metrics(MetricsInfo & mi,Dimension & dim) const98 void InsetMathSplit::metrics(MetricsInfo & mi, Dimension & dim) const
99 {
100 Changer dummy = mi.base.changeEnsureMath();
101 InsetMathGrid::metrics(mi, dim);
102 }
103
104
105
draw(PainterInfo & pi,int x,int y) const106 void InsetMathSplit::draw(PainterInfo & pi, int x, int y) const
107 {
108 Changer dummy = pi.base.changeEnsureMath();
109 InsetMathGrid::draw(pi, x, y);
110 }
111
112
getStatus(Cursor & cur,FuncRequest const & cmd,FuncStatus & flag) const113 bool InsetMathSplit::getStatus(Cursor & cur, FuncRequest const & cmd,
114 FuncStatus & flag) const
115 {
116 switch (cmd.action()) {
117 case LFUN_TABULAR_FEATURE: {
118 string s = cmd.getArg(0);
119 if (s == "add-vline-left" || s == "add-vline-right") {
120 flag.message(bformat(
121 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
122 name_));
123 flag.setEnabled(false);
124 return true;
125 }
126 if (s == "align-left" || s == "align-center" || s == "align-right") {
127 flag.setEnabled(false);
128 return true;
129 }
130 break;
131 }
132 default:
133 break;
134 }
135 return InsetMathGrid::getStatus(cur, cmd, flag);
136 }
137
138
write(WriteStream & ws) const139 void InsetMathSplit::write(WriteStream & ws) const
140 {
141 MathEnsurer ensurer(ws);
142 if (ws.fragile())
143 ws << "\\protect";
144 docstring suffix;
145 if (!numbered_ && name_ == "align")
146 suffix = from_ascii("*");
147 ws << "\\begin{" << name_ << suffix << '}';
148 bool open = ws.startOuterRow();
149 bool const hasArg(name_ == "alignedat");
150 if (name_ != "split" && name_ != "align") {
151 if (verticalAlignment() != 'c')
152 ws << '[' << verticalAlignment() << ']';
153 else if (!hasArg) {
154 docstring const first(asString(cell(0)));
155 // prevent misinterpretation of the first character of
156 // the first cell as optional argument (bug 10361)
157 if (!first.empty() && first[0] == '[')
158 ws << "[]";
159 }
160 }
161 if (hasArg)
162 ws << '{' << static_cast<unsigned int>((ncols() + 1)/2) << '}';
163 InsetMathGrid::write(ws);
164 if (ws.fragile())
165 ws << "\\protect";
166 ws << "\\end{" << name_ << suffix << "}\n";
167 if (open)
168 ws.startOuterRow();
169 }
170
171
infoize(odocstream & os) const172 void InsetMathSplit::infoize(odocstream & os) const
173 {
174 docstring name = name_;
175 name[0] = support::uppercase(name[0]);
176 if (name_ == "align" && !numbered_)
177 os << name << "* ";
178 else
179 os << name << ' ';
180 }
181
182
mathmlize(MathStream & ms) const183 void InsetMathSplit::mathmlize(MathStream & ms) const
184 {
185 // split, gathered, aligned, alignedat
186 // At the moment, those seem to display just fine without any
187 // special treatment.
188 // FIXME
189 // lgathered and rgathered could use the proper alignment, but
190 // it's not clear how to do that without copying a lot of code.
191 // One idea would be to wrap the table in an <mrow>, and set the
192 // alignment there via CSS.
193 // FIXME how to handle numbered and unnumbered align?
194 InsetMathGrid::mathmlize(ms);
195 }
196
197
htmlize(HtmlStream & ms) const198 void InsetMathSplit::htmlize(HtmlStream & ms) const
199 {
200 // split, gathered, aligned, alignedat
201 // At the moment, those seem to display just fine without any
202 // special treatment.
203 // FIXME
204 // lgathered and rgathered could use the proper alignment.
205 // FIXME how to handle numbered and unnumbered align?
206 InsetMathGrid::htmlize(ms);
207 }
208
209
validate(LaTeXFeatures & features) const210 void InsetMathSplit::validate(LaTeXFeatures & features) const
211 {
212 if (name_ == "split" || name_ == "gathered" || name_ == "aligned" ||
213 name_ == "alignedat" || name_ == "align")
214 features.require("amsmath");
215 else if (name_ == "lgathered" || name_ == "rgathered")
216 features.require("mathtools");
217 InsetMathGrid::validate(features);
218 }
219
220
221 } // namespace lyx
222