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Merge pull request #1533 from dpvc/issue1532

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Use a new approach to aligning labels with their table rows.  #1532
This commit is contained in:
Davide P. Cervone 2016-07-23 15:47:56 -04:00 committed by GitHub
commit d26341c5c3
2 changed files with 33 additions and 46 deletions
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75
unpacked/jax/output/CommonHTML/autoload/mtable.js
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@ -59,11 +59,6 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
//
this.CHTMLgetBoxSizes(values,state);
this.CHTMLgetAttributes(values,state);
if (values.equalrows) {
state.HD = true;
state.HH = Math.max.apply(Math,state.H);
state.DD = Math.max.apply(Math,state.D);
}
this.CHTMLadjustCells(values,state);
if (values.frame) table.style.border = state.t+" "+values.frame;
this.CHTMLalignV(values,state,node);
@ -110,6 +105,12 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
if (cbox.w > W[j]) W[j] = cbox.w;
}
}
if (values.equalrows) {
state.HD = true;
var HH = Math.max.apply(Math,H);
var DD = Math.max.apply(Math,D);
for (var i = 0, m = H.length; i < m; i++) {H[i] = HH; D[i] = DD}
}
state.H = H; state.D = D; state.W = W, state.J = J;
},
//
@ -187,19 +188,23 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
CALIGN = state.CALIGN, RALIGN = state.RALIGN,
RCALIGN = state.RCALIGN;
CSPACE[state.J] *= 2; RSPACE[ROWS.length-1] *= 2; // since halved below
var T = "0", B, R, L, border, cbox, align;
if (values.fspace) T = CHTML.Em(state.FSPACE[1]);
var T = "0", B, R, L, border, cbox, align, lastB = 0;
if (values.fspace) {
lastB = state.FSPACE[1];
T = CHTML.Em(state.FSPACE[1]);
}
state.RHD = []; state.RH = [];
for (var i = 0, m = ROWS.length; i < m; i++) {
var row = ROWS[i], rdata = this.data[i];
//
// Space and borders between rows
//
B = RSPACE[i]/2; border = null; L = "0";
if (RLINES[i] !== MML.LINES.NONE && RLINES[i] !== "") {
border = state.t+" "+RLINES[i];
B -= 1/CHTML.em/2;
}
B = CHTML.Em(Math.max(0,B));
if (RLINES[i] !== MML.LINES.NONE && RLINES[i] !== "") border = state.t+" "+RLINES[i];
state.RH[i] = lastB + state.H[i]; // distance to baseline in row
lastB = Math.max(0,B);
state.RHD[i] = state.RH[i] + lastB + state.D[i]; // total height of row
B = CHTML.Em(lastB);
//
// Frame space for initial cell
//
@ -219,7 +224,7 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
R -= 1/CHTML.em/2;
}
R = CHTML.Em(Math.max(0,R));
cell.padding = T+" "+R+" "+B+" "+L;
cell.padding = T+" "+R+" 0px "+L;
if (border) cell.borderBottom = border;
L = R;
//
@ -231,25 +236,12 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
align = (rdata.data[j-s].columnalign||RCALIGN[i][j]||CALIGN[j]);
if (align !== MML.ALIGN.CENTER) cell.textAlign = align;
//
// Equal heights forced by adding an element of the proper size
// (setting style.height seems to work very strangely)
// Adjust baseline of cells to match cell height
//
if (state.HD && j === 0) {
CHTML.addElement(row[j].parentNode,"mjx-mtd",{style:{padding:T+" 0 "+B}},
[["mjx-box",{style:{
height:CHTML.Em(state.HH+state.DD),
"vertical-align":CHTML.Em(-state.DD)
}}]]
);
}
//
// Adjust height and depth of cells
//
cell = row[j].firstChild.style;
var H = Math.max(1,cbox.h);
if (H !== state.H[i]) cell.marginTop = CHTML.Em(state.H[i]-H);
if (cbox.d < state.D[i]) cell.marginBottom = CHTML.Em(state.D[i]-cbox.d);
if (H !== state.H[i]) row[j].firstChild.style.marginTop = CHTML.Em(state.H[i]-H);
}
row.node.style.height = CHTML.Em(state.RHD[i]);
T = B;
}
CSPACE[state.J] /= 2; RSPACE[ROWS.length-1] /= 2; // back to normal
@ -277,9 +269,8 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var T = 0, B = 0, a = CHTML.TEX.axis_height;
if (values.fspace) T += state.FSPACE[1];
if (values.frame) {T += 2/CHTML.em; B += 1/CHTML.em}
var h = state.HH, d = state.DD;
for (var i = 0; i < M; i++) {
if (!state.HD) {h = H[i]; d = D[i]}
var h = H[i], d = D[i];
T += h + d + RSPACE[i];
if (n) {
if (i === n-1) {
@ -411,10 +402,9 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
CHTMLstretchCells: function (values,state) {
var ROWS = state.rows, H = state.H, D = state.D, W = state.W,
J = state.J, M = ROWS.length-1;
var h = state.HH, d = state.DD;
for (var i = 0; i <= M; i++) {
var row = ROWS[i], rdata = this.data[i];
if (!state.HD) {h = H[i]; d = D[i]}
var h = H[i], d = D[i];
for (var j = 0; j <= J; j++) {
var cell = row[j], cdata = rdata.data[j];
if (!cdata) continue;
@ -457,7 +447,7 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var box = CHTML.addElement(node,"mjx-box",{
style:{width:"100%","text-align":indent.indentalign}
}); box.appendChild(table);
var labels = CHTML.Element("mjx-stack");
var labels = CHTML.Element("mjx-itable");
table.style.display = "inline-table"; if (!table.style.width) table.style.width = "auto";
labels.style.verticalAlign = "top";
table.style.verticalAlign = CHTML.Em(state.T-state.B-state.H[0]);
@ -485,21 +475,18 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
//
// Vertically align the labels with their rows
//
var LABELS = state.labels, T = 0, H = state.H, D = state.D, RSPACE = state.RSPACE;
var LABELS = state.labels, T = 0;
if (values.fspace) T = state.FSPACE[0] + (values.frame ? 1/CHTML.em : 0);
var h = state.HH, d = state.DD;
for (var i = 0, m = LABELS.length; i < m; i++) {
if (!state.HD) {h = H[i]; d = D[i]}
if (LABELS[i] && this.data[i].data[0]) {
labels.appendChild(LABELS[i]);
var lbox = this.data[i].data[0].CHTML;
T += h - Math.max(1,lbox.h);
if (T) LABELS[i].style.marginTop = CHTML.Em(T);
T = d - lbox.d;
T = state.RH[i] - Math.max(1,lbox.h);
if (T) LABELS[i].firstChild.firstChild.style.marginTop = CHTML.Em(T);
LABELS[i].style.height = CHTML.Em(state.RHD[i]);
} else {
T += h + d;
CHTML.addElement(labels,"mjx-label",{style:{height:CHTML.Em(state.RHD[i])}});
}
T += RSPACE[i];
}
//
// Propagate full-width equations, and reserve room for equation plus label
@ -521,7 +508,7 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
// Add a new row with no label
//
if (!options) options = {rows:[],labels:[]};
var row = []; options.rows.push(row);
var row = []; options.rows.push(row); row.node = node;
options.labels.push(null);
//
// Add the cells to the row
@ -545,7 +532,7 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
// Add a new row, and get the label
//
if (!options) options = {rows:[],labels:[]};
var row = []; options.rows.push(row);
var row = []; options.rows.push(row); row.node = node;
var label = CHTML.Element("mjx-label"); options.labels.push(label);
this.CHTMLaddChild(label,0,options);
if (this.data[0]) options.labeled = true;

4
unpacked/jax/output/CommonHTML/jax.js
View File

@ -129,13 +129,13 @@
".mjx-mtr": {display:"table-row"},
".mjx-mlabeledtr": {display:"table-row"},
".mjx-mtd": {display:"table-cell", "text-align":"center"},
".mjx-label": {display:"block"},
".mjx-label": {display:"table-row"},
".mjx-box": {display:"inline-block"},
".mjx-block": {display:"block"},
".mjx-span": {display:"inline"},
".mjx-char": {display:"block", "white-space":"pre"},
".mjx-itable": {display:"inline-table"},
".mjx-itable": {display:"inline-table", width:"auto"},
".mjx-row": {display:"table-row"},
".mjx-cell": {display:"table-cell"},
".mjx-table": {display:"table", width:"100%"},