diff options
Diffstat (limited to 'js/mathjax/jax/output/CommonHTML/autoload/maction.js')
-rw-r--r-- | js/mathjax/jax/output/CommonHTML/autoload/maction.js | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/js/mathjax/jax/output/CommonHTML/autoload/maction.js b/js/mathjax/jax/output/CommonHTML/autoload/maction.js new file mode 100644 index 0000000..3fdb393 --- /dev/null +++ b/js/mathjax/jax/output/CommonHTML/autoload/maction.js @@ -0,0 +1,180 @@ +// @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/maction.js + * + * Implements the CommonHTML output for <maction> 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, + CHTML = MathJax.OutputJax.CommonHTML; + + var currentTip, hover, clear; + + // + // Add configuration for tooltips + // + var CONFIG = CHTML.config.tooltip = MathJax.Hub.Insert({ + delayPost: 600, delayClear: 600, + offsetX: 10, offsetY: 5 + },CHTML.config.tooltip||{}); + + + MML.maction.Augment({ + CHTMLtooltip: CHTML.addElement(document.body,"div",{id:"MathJax_CHTML_Tooltip"}), + + toCommonHTML: function (node) { + var selected = this.Get("selection"); + node = this.CHTMLcreateNode(node); + this.CHTML = CHTML.BBOX.empty(); + this.CHTMLhandleStyle(node); + this.CHTMLhandleScale(node); + this.CHTMLaddChild(node,selected-1,{}); + this.CHTML.clean(); + this.CHTMLhandleSpace(node); + this.CHTMLhandleBBox(node); + this.CHTMLhandleColor(node); + + var type = this.Get("actiontype"); + if (this.CHTMLaction[type] && this.CHTMLaction.hasOwnProperty(type)) + this.CHTMLaction[type].call(this,node,selected); + + return node; + }, + CHTMLcoreNode: function (node) {return this.CHTMLchildNode(node,0)}, + + // + // Implementations for the various actions + // + CHTMLaction: { + toggle: function (node,selection) { + this.selection = selection; + node.onclick = MathJax.Callback(["CHTMLclick",this,CHTML.jax]); + node.style.cursor = "pointer"; + }, + + statusline: function (node,selection) { + node.onmouseover = MathJax.Callback(["CHTMLsetStatus",this]); + node.onmouseout = MathJax.Callback(["CHTMLclearStatus",this]); + node.onmouseover.autoReset = node.onmouseout.autoReset = true; + }, + + tooltip: function(node,selection) { + if (this.data[1] && this.data[1].isToken) { + node.title = node.alt = this.data[1].data.join(""); + } else { + node.onmouseover = MathJax.Callback(["CHTMLtooltipOver",this,CHTML.jax]); + node.onmouseout = MathJax.Callback(["CHTMLtooltipOut",this,CHTML.jax]); + node.onmouseover.autoReset = node.onmouseout.autoReset = true; + } + } + }, + + // + // Handle a click on the maction element + // (remove the original rendering and rerender) + // + CHTMLclick: function (jax,event) { + this.selection++; + if (this.selection > this.data.length) this.selection = 1; + var hover = !!jax.hover; + jax.Update(); + if (hover) { + var span = document.getElementById(jax.inputID+"-Span"); + MathJax.Extension.MathEvents.Hover.Hover(jax,span); + } + return MathJax.Extension.MathEvents.Event.False(event); + }, + + // + // Set/Clear the window status message + // + CHTMLsetStatus: function (event) { + // FIXME: Do something better with non-token elements + this.messageID = MathJax.Message.Set + ((this.data[1] && this.data[1].isToken) ? + this.data[1].data.join("") : this.data[1].toString()); + }, + CHTMLclearStatus: function (event) { + if (this.messageID) MathJax.Message.Clear(this.messageID,0); + delete this.messageID; + }, + + // + // Handle tooltips + // + CHTMLtooltipOver: function (jax,event) { + if (!event) event = window.event; + if (clear) {clearTimeout(clear); clear = null} + if (hover) clearTimeout(hover); + var x = event.pageX; var y = event.pageY; + if (x == null) { + x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft; + y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop; + } + var callback = MathJax.Callback(["CHTMLtooltipPost",this,jax,x+CONFIG.offsetX,y+CONFIG.offsetY]) + hover = setTimeout(callback,CONFIG.delayPost); + }, + CHTMLtooltipOut: function (jax,event) { + if (hover) {clearTimeout(hover); hover = null} + if (clear) clearTimeout(clear); + var callback = MathJax.Callback(["CHTMLtooltipClear",this,80]); + clear = setTimeout(callback,CONFIG.delayClear); + }, + CHTMLtooltipPost: function (jax,x,y) { + hover = null; if (clear) {clearTimeout(clear); clear = null} + var tip = this.CHTMLtooltip; + tip.style.display = "block"; tip.style.opacity = ""; +// tip.style.filter = CHTML.config.styles["#MathJax_CHTML_Tooltip"].filter; + if (this === currentTip) return; + tip.style.left = x+"px"; tip.style.top = y+"px"; + tip.innerHTML = '<span class="mjx-chtml"><span class="mjx-math"></span></span>'; + CHTML.getMetrics(jax); + try {this.data[1].toCommonHTML(tip.firstChild.firstChild)} catch(err) { + if (!err.restart) throw err; + tip.style.display = "none"; + MathJax.Callback.After(["CHTMLtooltipPost",this,jax,x,y],err.restart); + return; + } + currentTip = this; + }, + CHTMLtooltipClear: function (n) { + var tip = this.CHTMLtooltip; + if (n <= 0) { + tip.style.display = "none"; + tip.style.opacity = tip.style.filter = ""; + clear = null; + } else { + tip.style.opacity = n/100; + tip.style.filter = "alpha(opacity="+n+")"; + clear = setTimeout(MathJax.Callback(["CHTMLtooltipClear",this,n-20]),50); + } + } + }); + + MathJax.Hub.Startup.signal.Post("CommonHTML maction Ready"); + MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/maction.js"); +}); + +// @license-end |