diff options
Diffstat (limited to 'js/mathjax/jax/output/CommonHTML/autoload/mtable.js')
| -rw-r--r-- | js/mathjax/jax/output/CommonHTML/autoload/mtable.js | 604 |
1 files changed, 604 insertions, 0 deletions
diff --git a/js/mathjax/jax/output/CommonHTML/autoload/mtable.js b/js/mathjax/jax/output/CommonHTML/autoload/mtable.js new file mode 100644 index 0000000..2e8b397 --- /dev/null +++ b/js/mathjax/jax/output/CommonHTML/autoload/mtable.js @@ -0,0 +1,604 @@ +// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7dn=apache-2.0.txt Apache-2.0 +/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ + +/************************************************************* + * + * MathJax/jax/output/CommonHTML/autoload/mtable.js + * + * Implements the CommonHTML output for <mtable> elements. + * + * --------------------------------------------------------------------- + * + * Copyright (c) 2015-2020 The MathJax Consortium + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () { + var VERSION = "2.7.9"; + var MML = MathJax.ElementJax.mml, + CONFIG = MathJax.Hub.config, + CHTML = MathJax.OutputJax.CommonHTML, + SPLIT = MathJax.Hub.SplitList; + + var LABEL = -1, + BIGDIMEN = 1000000; + + MML.mtable.Augment({ + toCommonHTML: function (node) { + // + // Create the table nodes and put them in a table + // (so that its bottom is on the baseline, rather than aligned on the top row) + // + var state = {rows:[], labels:[], labeled: false}; + node = this.CHTMLdefaultNode(node,{noBBox:true, childOptions:state}); + var table = CHTML.Element("mjx-table"); + while (node.firstChild) table.appendChild(node.firstChild); + node.appendChild(table); + // + // Get the table attributes + // + var values = this.getValues("columnalign","rowalign","columnspacing","rowspacing", + "columnwidth","equalcolumns","equalrows", + "columnlines","rowlines","frame","framespacing", + "align","width","side","minlabelspacing","useHeight"); + var t = CHTML.TEX.min_rule_thickness/CHTML.em; + state.t = CHTML.Px(t*this.CHTML.scale,1); + // + // Create the table + // + this.CHTMLgetBoxSizes(values,state); + this.CHTMLgetAttributes(values,state); + this.CHTMLadjustCells(values,state); + if (values.frame) table.style.border = state.t+" "+values.frame; + this.CHTMLalignV(values,state,node); + this.CHTMLcolumnWidths(values,state,node); + this.CHTMLstretchCells(values,state); + if (state.labeled) this.CHTMLaddLabels(values,state,node,table); + // + // Set the bounding box (ignores overlapping outside of the table) + // + var BBOX = this.CHTML; + BBOX.w = BBOX.r = state.R; + BBOX.h = BBOX.t = state.T-state.B; + BBOX.d = BBOX.b = state.B; + if (!values.frame && !BBOX.pwidth) { + node.style.padding = "0 "+CHTML.Em(1/6); + BBOX.L = BBOX.R = 1/6; + } + // + // Add any needed space and color + // + this.CHTMLhandleSpace(node); + this.CHTMLhandleBBox(node); + this.CHTMLhandleColor(node); + // + // Return the completed node + // + return node; + }, + // + // Get the natural height, depth, and widths of the rows and columns + // + CHTMLgetBoxSizes: function (values,state) { + var LH = CHTML.FONTDATA.lineH * values.useHeight, + LD = CHTML.FONTDATA.lineD * values.useHeight; + var H = [], D = [], W = [], J = -1, i, m; + for (i = 0, m = this.data.length; i < m; i++) { + var row = this.data[i], s = (row.type === "mtr" ? 0 : LABEL); + H[i] = LH; D[i] = LD; + for (var j = s, M = row.data.length + s; j < M; j++) { + if (W[j] == null) {W[j] = -BIGDIMEN; if (j > J) J = j} + var cbox = row.data[j-s].CHTML; + if (cbox.h > H[i]) H[i] = cbox.h; + if (cbox.d > D[i]) D[i] = cbox.d; + 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 (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; + }, + // + // Pad the spacing and alignment attributes to match the size of the table + // + CHTMLgetAttributes: function (values,state) { + var CSPACE = SPLIT(values.columnspacing), + RSPACE = SPLIT(values.rowspacing), + CALIGN = SPLIT(values.columnalign), + RALIGN = SPLIT(values.rowalign), + CLINES = SPLIT(values.columnlines), + RLINES = SPLIT(values.rowlines), + CWIDTH = SPLIT(values.columnwidth), + RCALIGN = [], i, m, J = state.J, M = state.rows.length-1; + for (i = 0, m = CSPACE.length; i < m; i++) CSPACE[i] = this.CHTMLlength2em(CSPACE[i]); + for (i = 0, m = RSPACE.length; i < m; i++) RSPACE[i] = this.CHTMLlength2em(RSPACE[i]); + while (CSPACE.length < J) CSPACE.push(CSPACE[CSPACE.length-1]); + while (CALIGN.length <= J) CALIGN.push(CALIGN[CALIGN.length-1]); + while (CLINES.length < J) CLINES.push(CLINES[CLINES.length-1]); + while (CWIDTH.length <= J) CWIDTH.push(CWIDTH[CWIDTH.length-1]); + while (RSPACE.length < M) RSPACE.push(RSPACE[RSPACE.length-1]); + while (RALIGN.length <= M) RALIGN.push(RALIGN[RALIGN.length-1]); + while (RLINES.length < M) RLINES.push(RLINES[RLINES.length-1]); + CALIGN[LABEL] = (values.side.substr(0,1) === "l" ? "left" : "right"); + // + // Override aligment data based on row-specific attributes + // + for (i = 0; i <= M; i++) { + var row = this.data[i]; RCALIGN[i] = []; + if (row.rowalign) RALIGN[i] = row.rowalign; + if (row.columnalign) { + RCALIGN[i] = SPLIT(row.columnalign); + while (RCALIGN[i].length <= J) RCALIGN[i].push(RCALIGN[i][RCALIGN[i].length-1]); + } + } + // + // Handle framespacing + // + var FSPACE = SPLIT(values.framespacing); + if (FSPACE.length != 2) FSPACE = SPLIT(this.defaults.framespacing); + FSPACE[0] = Math.max(0,this.CHTMLlength2em(FSPACE[0])); + FSPACE[1] = Math.max(0,this.CHTMLlength2em(FSPACE[1])); + if (values.columnlines.replace(/none/g,"").replace(/ /g,"") !== "" || + values.rowlines.replace(/none/g,"").replace(/ /g,"") !== "") values.fspace = true; + // + // Pad arrays so that final column can be treated as all the others + // + if (values.frame === MML.LINES.NONE) delete values.frame; else values.fspace = true; + if (values.frame) { + FSPACE[0] = Math.max(0,FSPACE[0]); + FSPACE[1] = Math.max(0,FSPACE[1]); + } + if (values.fspace) { + CSPACE[J] = FSPACE[0]; RSPACE[M] = FSPACE[1]; + } else { + CSPACE[J] = RSPACE[M] = 0; + } + CLINES[J] = RLINES[M] = MML.LINES.NONE; + // + // Save everything in the state + // + state.CSPACE = CSPACE; state.RSPACE = RSPACE; + state.CALIGN = CALIGN; state.RALIGN = RALIGN; + state.CLINES = CLINES; state.RLINES = RLINES; + state.CWIDTH = CWIDTH; state.RCALIGN = RCALIGN; + state.FSPACE = FSPACE; + }, + // + // Add styles to cells to handle borders, spacing, alignment, etc. + // + CHTMLadjustCells: function(values,state) { + var ROWS = state.rows, + CSPACE = state.CSPACE, CLINES = state.CLINES, + RSPACE = state.RSPACE, RLINES = state.RLINES, + 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, 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]; + if (border || (CLINES[j] !== MML.LINES.NONE && CLINES[j] !== "")) { + while (row.length <= state.J) { + row.push(CHTML.addElement(row.node,"mjx-mtd",null,[['span']])); + } + } + 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 + // + if (values.fspace) L = CHTML.Em(state.FSPACE[0]); + // + // The cells in the row + // + for (var j = 0, M = row.length; j < M; j++) { + var s = (rdata.type === "mtr" ? 0 : LABEL); + var mtd = rdata.data[j-s] || {CHTML: CHTML.BBOX.zero()}; + var cell = row[j].style; cbox = mtd.CHTML; + // + // Space and borders between columns + // + R = CSPACE[j]/2; + if (CLINES[j] !== MML.LINES.NONE) { + cell.borderRight = state.t+" "+CLINES[j]; + R -= 1/CHTML.em/2; + } + R = CHTML.Em(Math.max(0,R)); + cell.padding = T+" "+R+" 0px "+L; + if (border) cell.borderBottom = border; + L = R; + // + // Handle vertical alignment + // + align = (mtd.rowalign||(this.data[i]||{}).rowalign||RALIGN[i]); + var H = Math.max(1,cbox.h), D = Math.max(.2,cbox.d), + HD = (state.H[i]+state.D[i]) - (H+D), + child = row[j].firstChild.style; + if (align === MML.ALIGN.TOP) { + if (HD) child.marginBottom = CHTML.Em(HD); + cell.verticalAlign = "top"; + } else if (align === MML.ALIGN.BOTTOM) { + cell.verticalAlign = "bottom"; + if (HD) child.marginTop = CHTML.Em(HD); + } else if (align === MML.ALIGN.CENTER) { + if (HD) child.marginTop = child.marginBottom = CHTML.Em(HD/2); + cell.verticalAlign = "middle"; + } else { + if (H !== state.H[i]) child.marginTop = CHTML.Em(state.H[i]-H); + } + // + // Handle horizontal alignment + // + align = (mtd.columnalign||RCALIGN[i][j]||CALIGN[j]); + if (align !== MML.ALIGN.CENTER) cell.textAlign = align; + } + row.node.style.height = CHTML.Em(state.RHD[i]); + T = B; + } + CSPACE[state.J] /= 2; RSPACE[ROWS.length-1] /= 2; // back to normal + }, + // + // Align the table vertically according to the align attribute + // + CHTMLalignV: function (values,state,node) { + var n, M = state.rows.length, H = state.H, D = state.D, RSPACE = state.RSPACE; + // + // Get alignment type and row number + // + if (typeof(values.align) !== "string") values.align = String(values.align); + if (values.align.match(/(top|bottom|center|baseline|axis)( +(-?\d+))?/)) { + n = parseInt(RegExp.$3||"0"); + values.align = RegExp.$1 + if (n < 0) n += state.rows.length + 1; + if (n > M || n <= 0) n = null; + } else { + values.align = this.defaults.align; + } + // + // Get table height and baseline offset + // + var T = 0, B = 0, a = CHTML.TEX.axis_height; + if (values.fspace) T += state.FSPACE[1]; + if (values.frame) {T += 2/CHTML.em; B += 1/CHTML.em} + for (var i = 0; i < M; i++) { + var h = H[i], d = D[i]; + T += h + d + RSPACE[i]; + if (n) { + if (i === n-1) { + B += ({top:h+d, bottom:0, center:(h+d)/2, + baseline:d, axis:a+d})[values.align] + RSPACE[i]; + } + if (i >= n) B += h + d + RSPACE[i]; + } + } + if (!n) B = ({top:T, bottom:0, center:T/2, baseline:T/2, axis:T/2-a})[values.align]; + // + // Place the node and save the values + // + if (B) node.style.verticalAlign = CHTML.Em(-B); + state.T = T; state.B = B; + }, + // + // Determine column widths and set the styles for the columns + // + CHTMLcolumnWidths: function (values,state,node) { + var CWIDTH = state.CWIDTH, CSPACE = state.CSPACE, J = state.J, j; + var WW = 0, setWidths = false, relWidth = values.width.match(/%$/); + var i, m, w; + // + // Handle equal columns by adjusting the CWIDTH array + // + if (values.width !== "auto" && !relWidth) { + WW = Math.max(0,this.CHTMLlength2em(values.width,state.R)); + setWidths = true; + } + if (values.equalcolumns) { + if (relWidth) { + // + // Use percent of total (not perfect, but best we can do) + // + var p = CHTML.Percent(1/(J+1)); + for (j = 0; j <= J; j++) CWIDTH[j] = p; + } else { + // + // For width = auto, make all widths equal the widest, + // otherwise, for specific width, remove intercolumn space + // and divide by number of columns to get widest space. + // + w = Math.max.apply(Math,state.W); + if (values.width !== "auto") { + var S = (values.fspace ? state.FSPACE[0] + (values.frame ? 2/CHTML.em : 0) : 0); + for (j = 0; j <= J; j++) S += CSPACE[j]; + w = Math.max((WW-S)/(J+1),w); + } + w = CHTML.Em(w); + for (j = 0; j <= J; j++) CWIDTH[j] = w; + } + setWidths = true; + } + // + // Compute natural table width + // + var TW = 0; if (values.fspace) TW = state.FSPACE[0]; + var auto = [], fit = [], percent = [], W = []; + var row = state.rows[0]; + for (j = 0; j <= J; j++) { + W[j] = state.W[j]; + if (CWIDTH[j] === "auto") auto.push(j) + else if (CWIDTH[j] === "fit") fit.push(j) + else if (CWIDTH[j].match(/%$/)) percent.push(j) + else W[j] = this.CHTMLlength2em(CWIDTH[j],W[j]); + TW += W[j] + CSPACE[j]; + if (row[j]) row[j].style.width = CHTML.Em(W[j]); + } + if (values.frame) TW += 2/CHTML.em; + var hasFit = (fit.length > 0); + // + // Adjust widths of columns + // + if (setWidths || (relWidth && hasFit)) { + if (relWidth) { + // + // Attach appropriate widths to the columns + // + for (j = 0; j <= J; j++) { + cell = row[j].style; + if (CWIDTH[j] === "auto" && !hasFit) cell.width = ""; + else if (CWIDTH[j] === "fit") cell.width = ""; + else if (CWIDTH[j].match(/%$/)) cell.width = CWIDTH[j]; + else cell.minWidth = cell.maxWidth = cell.width; + } + } else { + // + // Compute percentage widths + // + if (WW > TW) { + var extra = 0; + for (i = 0, m = percent.length; i < m; i++) { + j = percent[i]; + w = Math.max(W[j],this.CHTMLlength2em(CWIDTH[j],WW)); + extra += w-W[j]; W[j] = w; + row[j].style.width = CHTML.Em(w); + } + TW += extra; + } + // + // Compute "fit" widths + // + if (!hasFit) fit = auto; + if (WW > TW && fit.length) { + var dw = (WW - TW) / fit.length; + for (i = 0, m = fit.length; i < m; i++) { + j = fit[i]; W[j] += dw; + row[j].style.width = CHTML.Em(W[j]); + } + TW = WW; + } + } + } + W[LABEL] = state.W[LABEL]; + state.W = W; + state.R = TW; + // + // Set variable width on DOM nodes + // + if (relWidth) { + node.style.width = this.CHTML.pwidth = "100%"; + this.CHTML.mwidth = CHTML.Em(TW); + node.firstChild.style.width = values.width; + node.firstChild.style.margin = "auto"; + } + }, + // + // Stretch any cells that can be stretched + // + CHTMLstretchCells: function (values,state) { + var ROWS = state.rows, H = state.H, D = state.D, W = state.W, + J = state.J, M = ROWS.length-1; + for (var i = 0; i <= M; i++) { + var row = ROWS[i], rdata = this.data[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; + if (cdata.CHTML.stretch === "V") cdata.CHTMLstretchV(h,d); + else if (cdata.CHTML.stretch === "H") cdata.CHTMLstretchH(cell,W[j]); + } + } + }, + // + // Add labels to a table + // + CHTMLaddLabels: function (values,state,node,table) { + // + // Get indentation and alignment + // + var indent = this.getValues("indentalignfirst","indentshiftfirst","indentalign","indentshift"); + if (indent.indentalignfirst !== MML.INDENTALIGN.INDENTALIGN) indent.indentalign = indent.indentalignfirst; + if (indent.indentalign === MML.INDENTALIGN.AUTO) indent.indentalign = CONFIG.displayAlign; + if (indent.indentshiftfirst !== MML.INDENTSHIFT.INDENTSHIFT) indent.indentshift = indent.indentshiftfirst; + if (indent.indentshift === "auto") indent.indentshift = "0"; + var shift = this.CHTMLlength2em(indent.indentshift,CHTML.cwidth); + var labelspace = this.CHTMLlength2em(values.minlabelspacing,.8); + var labelW = labelspace + state.W[LABEL], labelshift = 0, tw = state.R; + var dIndent = this.CHTMLlength2em(CONFIG.displayIndent,CHTML.cwidth); + var s = (state.CALIGN[LABEL] === MML.INDENTALIGN.RIGHT ? -1 : 1); + if (indent.indentalign === MML.INDENTALIGN.CENTER) { + tw += 2 * (labelW - s*(shift + dIndent)); + shift += dIndent; + } else if (state.CALIGN[LABEL] === indent.indentalign) { + if (dIndent < 0) {labelshift = s*dIndent; dIndent = 0} + shift += s*dIndent; if (labelW > s*shift) shift = s*labelW; shift += labelshift; + shift *= s; tw += shift; + } else { + tw += labelW - s*shift + dIndent; + shift -= s*dIndent; shift *= -s; + } + // + // Create boxes for table and labels + // + var box = CHTML.addElement(node,"mjx-box",{ + style:{width:"100%","text-align":indent.indentalign} + }); box.appendChild(table); + 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]); + node.style.verticalAlign = ""; + if (shift) { + if (indent.indentalign === MML.INDENTALIGN.CENTER) { + table.style.marginLeft = CHTML.Em(shift); + table.style.marginRight = CHTML.Em(-shift); + } else { + var margin = "margin" + (indent.indentalign === MML.INDENTALIGN.RIGHT ? "Right" : "Left"); + table.style[margin] = CHTML.Em(shift); + } + } + // + // Add labels on correct side + // + if (state.CALIGN[LABEL] === "left") { + node.insertBefore(labels,box); + labels.style.marginRight = CHTML.Em(-state.W[LABEL]-labelshift); + if (labelshift) labels.style.marginLeft = CHTML.Em(labelshift); + } else { + node.appendChild(labels); + labels.style.marginLeft = CHTML.Em(-state.W[LABEL]+labelshift); + } + // + // Vertically align the labels with their rows + // + var LABELS = state.labels, T = 0; + if (values.fspace) T = state.FSPACE[0] + (values.frame ? 1/CHTML.em : 0); + for (var i = 0, m = LABELS.length; i < m; i++) { + if (LABELS[i] && this.data[i].data[0]) { + labels.appendChild(LABELS[i]); + var lbox = this.data[i].data[0].CHTML; + 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 { + CHTML.addElement(labels,"mjx-label",{style:{height:CHTML.Em(state.RHD[i])}}); + } + } + // + // Propagate full-width equations, and reserve room for equation plus label + // + node.style.width = this.CHTML.pwidth = "100%"; + node.style.minWidth = this.CHTML.mwidth = CHTML.Em(Math.max(0,tw)); + } + }); + + MML.mtr.Augment({ + toCommonHTML: function (node,options) { + // + // Create the row node + // + node = this.CHTMLcreateNode(node); + this.CHTMLhandleStyle(node); + this.CHTMLhandleScale(node); + // + // Add a new row with no label + // + if (!options) options = {rows:[],labels:[]}; + var row = []; options.rows.push(row); row.node = node; + options.labels.push(null); + // + // Add the cells to the row + // + for (var i = 0, m = this.data.length; i < m; i++) + row.push(this.CHTMLaddChild(node,i,options)); + // + this.CHTMLhandleColor(node); + return node; + } + }); + MML.mlabeledtr.Augment({ + toCommonHTML: function (node,options) { + // + // Create the row node + // + node = this.CHTMLcreateNode(node); + this.CHTMLhandleStyle(node); + this.CHTMLhandleScale(node); + // + // Add a new row, and get the label + // + if (!options) options = {rows:[],labels:[]}; + 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; + // + // Add the cells to the row + // + for (var i = 1, m = this.data.length; i < m; i++) + row.push(this.CHTMLaddChild(node,i,options)); + // + this.CHTMLhandleColor(node); + return node; + } + }); + MML.mtd.Augment({ + toCommonHTML: function (node,options) { + node = this.CHTMLdefaultNode(node,options); + CHTML.addElement(node.firstChild,"mjx-strut"); // forces height to 1em (we adjust later) + // + // Determine if this is stretchy or not + // + if (this.isEmbellished()) { + var mo = this.CoreMO(), BBOX = this.CHTML; + if (mo.CHTMLcanStretch("Vertical")) BBOX.stretch = "V"; + else if (mo.CHTMLcanStretch("Horizontal")) BBOX.stretch = "H"; + if (BBOX.stretch) { + var min = mo.Get("minsize",true); + if (min) { + if (BBOX.stretch === "V") { + var HD = BBOX.h + BBOX.d; + if (HD) { + var r = this.CHTMLlength2em(min,HD)/HD; + if (r > 1) {BBOX.h *= r; BBOX.d *= r} + } + } else { + BBOX.w = Math.max(BBOX.w,this.CHTMLlength2em(min,BBOX.w)); + } + } + } + } + return node; + } + }); + + + MathJax.Hub.Startup.signal.Post("CommonHTML mtable Ready"); + MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/mtable.js"); +}); + +// @license-end |