Move output-jax-specific zoom code to jax, and fix some other minor issues (stil need to check with IE and then repack and recombine)

This commit is contained in:
Davide P. Cervone 2011-08-24 20:53:52 -04:00
parent 91753873e1
commit 975fe6e679
6 changed files with 84 additions and 106 deletions

View File

@ -134,9 +134,7 @@
// Remove selections, remove hover fades
//
if (ME.msieEventBug) {event = window.event}
if (ME.safariContextMenuBug) {setTimeout("window.getSelection().empty()",0)}
if (document.selection) {setTimeout("document.selection.empty()",0)}
HOVER.ClearHoverTimer();
EVENT.ClearSelection(); HOVER.ClearHoverTimer();
if (jax.hover) {
if (jax.hover.remove) {clearTimeout(jax.hover.remove); delete jax.hover.remove}
jax.hover.nofade = true;
@ -183,6 +181,11 @@
}
return JAX.ContextMenu(event,math,true);
}
},
ClearSelection: function () {
if (ME.safariContextMenuBug) {setTimeout("window.getSelection().empty()",0)}
if (document.selection) {setTimeout("document.selection.empty()",0)}
}
};

View File

@ -26,8 +26,6 @@
var VERSION = "1.1.3";
var CONFIG = HUB.CombineConfig("MathZoom",{
delay: 400, // mouse must be still this long (milliseconds)
styles: {
//
// The styles for the MathZoom display box
@ -57,8 +55,9 @@
}
});
var FALSE, HOVER;
var FALSE, HOVER, EVENT;
MathJax.Hub.Register.StartupHook("MathEvents Ready",function () {
EVENT = MathJax.Extension.MathEvents.Event;
FALSE = MathJax.Extension.MathEvents.Event.False;
HOVER = MathJax.Extension.MathEvents.Hover;
});
@ -85,21 +84,21 @@
// Zoom on click
//
Click: function (event,math) {
if (this.settings.zoom === "Click") {return this.Zoom(math,event)}
if (this.settings.zoom === "Click") {return this.Zoom(event,math)}
},
//
// Zoom on double click
//
DblClick: function (event,math) {
if (this.settings.zoom === "Double-Click") {return this.Zoom(math,event)}
if (this.settings.zoom === "Double-Click") {return this.Zoom(event,math)}
},
//
// Zoom on hover (called by UI.Hover)
//
Hover: function (event,math) {
if (this.settings.zoom === "Hover") {this.Zoom(math,event); return true}
if (this.settings.zoom === "Hover") {this.Zoom(event,math); return true}
return false;
},
@ -107,20 +106,20 @@
//
// Handle the actual zooming
//
Zoom: function (math,event) {
Zoom: function (event,math) {
this.Remove(); HOVER.ClearHoverTimer();
EVENT.ClearSelection();
//
// Find the jax and its type
//
var parent = math.parentNode;
if (parent.className === "MathJax_MathContainer") {parent = parent.parentNode}
if (parent.parentNode.className === "MathJax_MathContainer") {parent = parent.parentNode.parentNode}
var script = (String(parent.className).match(/^MathJax_(MathML|Display)$/) ? parent : math).nextSibling;
var jax = HUB.getJaxFor(script), root = jax.root;
var JAX = (HTMLCSS && jax.outputJax.isa(HTMLCSS.constructor) ? "HTMLCSS" :
(nMML && jax.outputJax.isa(nMML.constructor) ? "MathML" : null));
if (!JAX) return; // FIXME: report an error?
/*
* var parent = math.parentNode;
* if (parent.className === "MathJax_MathContainer") {parent = parent.parentNode}
* if (parent.parentNode.className === "MathJax_MathContainer") {parent = parent.parentNode.parentNode}
*/
var JAX = MathJax.OutputJax[math.jaxID];
var jax = JAX.getJaxFromMath(math), root = jax.root;
if (jax.hover) {HOVER.UnHover(jax)}
//
@ -140,7 +139,7 @@
visibility:"hidden", fontSize:this.settings.zscale,
"max-width":Mw+"px", "max-height":Mh+"px"
}
},[["span"]]]
},[["span",{style:{display:"inline-block", "white-space":"nowrap"}}]]]
]
);
var zoom = div.lastChild, span = zoom.firstChild, overlay = div.firstChild;
@ -161,7 +160,7 @@
div = tracker;
}
var bbox = (this["Zoom"+JAX])(root,span,math,Mw,Mh);
var bbox = JAX.Zoom(root,span,math,Mw,Mh);
//
// Fix up size and position for browsers with bugs (IE)
@ -176,7 +175,7 @@
}
if (this.operaPositionBug) {zoom.style.width = Math.min(Mw,bbox.zW)+"px"} // Opera gets width as 0?
if (zoom.offsetWidth <= Mw && zoom.offsetHeight <= Mh) {zoom.style.overflow = "visible"}
this.Position(zoom,bbox,(JAX === "MathML" && parent.nodeName.toLowerCase() === "div"));
this.Position(zoom,bbox,(JAX.id === "MathML" && parent.nodeName.toLowerCase() === "div"));
zoom.style.visibility = "";
//
@ -193,79 +192,11 @@
return FALSE(event);
},
//
// Handle the jax-specific output
//
ZoomHTMLCSS: function (root,span,math,Mw,Mh) {
//
// Re-render at larger size
//
span.className = "MathJax";
HTMLCSS.idPostfix = "-zoom";
HTMLCSS.getScales(span,span);
root.toHTML(span,span);
var bbox = root.HTMLspanElement().bbox;
HTMLCSS.idPostfix = "";
if (bbox.width) {
// Handle full-width displayed equations
// FIXME: this is a hack for now
span.style.width = Math.floor(Mw-1.5*HTMLCSS.em)+"px"; span.style.display="inline-block";
var id = (root.id||"MathJax-Span-"+root.spanID)+"-zoom";
var child = document.getElementById(id).firstChild;
while (child && child.style.width !== bbox.width) {child = child.nextSibling}
if (child) {child.style.width = "100%"}
}
//
// Get height and width of zoomed math and original math
//
span.style.position = math.style.position = "absolute";
var zW = span.offsetWidth, zH = span.offsetHeight,
mH = math.offsetHeight, mW = math.offsetWidth;
span.style.position = math.style.position = "";
if (mW === 0) {mW = math.offseWidth || math.parentNode.offsetWidth}; // IE7 gets mW == 0?
//
return {Y:-this.getTop(root,span,math,this.msieTopBug,this.msieBorderBug,false),
mW:mW, mH:mH, zW:zW, zH:zH};
},
ZoomMathML: function (root,span,math) {
root.toNativeMML(span,span);
var top = this.getTop(root,span,math,this.msieTopMMLBug,false,this.ffMMLdisplayBug);
var mW = math.offsetWidth || math.scrollWidth,
mH = math.offsetHeight || math.scrollHeight;
if (this.msieIE8HeightBug) {span.style.position = "absolute"}
var zW = span.offsetWidth, zH = span.offsetHeight;
if (this.msieIE8HeightBug) {span.style.position = ""}
if (this.ffMMLdisplayBug) {
// Force width in FF, since it gets the math element width wrong
span.style.display="inline-block";
span.style.width = zW+"px";
}
return {Y:-top, mW:mW, mH:mH, zW:zW, zH:zH}
},
//
// Get top offset from baseline
//
getTop: function (root,span,math,topBug,borderBug,mmlBug) {
getTop: function (root,span,math,topBug,borderBug) {
span.appendChild(this.topImg);
if (mmlBug && math.getAttribute("display") === "block") {
// FF breaks between the display math and the image, so
// convert display to inline with displaystyle true
math.setAttribute("display","inline"); math.MJinline = true;
var mstyle = root.NativeMMLelement("mstyle");
while (math.firstChild) {mstyle.appendChild(math.firstChild)}
math.appendChild(mstyle); mstyle.setAttribute("displaystyle","true");
}
if (math.MJinline) {
// FF breaks between the display math and the image, so
// convert display to inline with displaystyle true
span.insertBefore(this.topImg,span.firstChild);
var zmath = span.childNodes[1], zstyle = root.NativeMMLelement("mstyle");
zmath.setAttribute("display","inline");
while (zmath.firstChild) {zstyle.appendChild(zmath.firstChild)}
zmath.appendChild(zstyle); zstyle.setAttribute("displaystyle","true");
zstyle.setAttribute("displaystyle","true");
}
var top = this.topImg.offsetTop;
if (topBug) {
// For IE, frame is not at the baseline, so remove extra height
@ -354,11 +285,7 @@
ZOOM.msieSizeBug = browser.versionAtLeast("7.0") &&
(!document.documentMode || document.documentMode === 7 || document.documentMode === 8);
ZOOM.msieIE8Bug = isIE8 && (document.documentMode === 8);
ZOOM.msieIE8HeightBug = (document.documentMode === 8);
ZOOM.msieZIndexBug = !isIE8;
ZOOM.msieTopBug = (!browser.versionAtLeast("8.0") || document.documentMode === 7);
ZOOM.msieTopMMLBug = ZOOM.msieTopBug || (!isIE8 || document.documentMode >= 9);
ZOOM.msieBorderBug = quirks && browser.versionAtLeast("8.0");
ZOOM.msieInlineBlockAlignBug = (!isIE8 || quirks);
if (document.documentMode >= 9) {delete CONFIG.styles["#MathJax_Zoom"].filter}
},
@ -366,10 +293,6 @@
Opera: function (browser) {
ZOOM.operaPositionBug = true;
ZOOM.operaRefreshBug = true;
},
Firefox: function (browser) {
ZOOM.ffMMLdisplayBug = true;
}
});

View File

@ -24,7 +24,7 @@
MathJax.OutputJax["HTML-CSS"] = MathJax.OutputJax({
id: "HTML-CSS",
version: "1.1.12",
version: "1.1.13",
directory: MathJax.OutputJax.directory + "/HTML-CSS",
extensionDir: MathJax.OutputJax.extensionDir + "/HTML-CSS",
autoloadDir: MathJax.OutputJax.directory + "/HTML-CSS/autoload",

View File

@ -438,6 +438,39 @@
if (bbox.width) {BBOX.width = bbox.width}
return BBOX;
},
Zoom: function (root,span,math,Mw,Mh) {
//
// Re-render at larger size
//
span.className = "MathJax";
this.idPostfix = "-zoom";
this.getScales(span,span);
root.toHTML(span,span);
var bbox = root.HTMLspanElement().bbox;
this.idPostfix = "";
if (bbox.width) {
// Handle full-width displayed equations
// FIXME: this is a hack for now
span.style.width = Math.floor(Mw-1.5*HTMLCSS.em)+"px"; span.style.display="inline-block";
var id = (root.id||"MathJax-Span-"+root.spanID)+"-zoom";
var child = document.getElementById(id).firstChild;
while (child && child.style.width !== bbox.width) {child = child.nextSibling}
if (child) {child.style.width = "100%"}
}
//
// Get height and width of zoomed math and original math
//
span.style.position = math.style.position = "absolute";
var zW = span.offsetWidth, zH = span.offsetHeight,
mH = math.offsetHeight, mW = math.offsetWidth;
if (mW === 0) {mW = math.parentNode.offsetWidth}; // IE7 gets mW == 0?
span.style.position = math.style.position = "";
//
var ZOOM = MathJax.Extension.MathZoom;
return {Y:-ZOOM.getTop(root,span,math,ZOOM.msieTopBug,ZOOM.msieBorderBug),
mW:mW, mH:mH, zW:zW, zH:zH};
},
initImg: function (span) {},
initHTML: function (math,span) {},
@ -2172,6 +2205,8 @@
msieClipRectBug: !isIE8,
msieNegativeSpaceBug: quirks,
msieCloneNodeBug: (isIE8 && browser.version === "8.0"),
msieTopBug: (!browser.versionAtLeast("8.0") || document.documentMode === 7),
msieBorderBug: (quirks && browser.versionAtLeast("8.0")),
negativeSkipBug: true,
msieIE6: !isIE7,
msieItalicWidthBug: true,

View File

@ -24,7 +24,7 @@
MathJax.OutputJax.NativeMML = MathJax.OutputJax({
id: "NativeMML",
version: "1.1.8",
version: "1.1.9",
directory: MathJax.OutputJax.directory + "/NativeMML",
extensionDir: MathJax.OutputJax.extensionDir + "/NativeMML",

View File

@ -25,7 +25,9 @@
(function (nMML,HUB,AJAX,HTML) {
var MML, isMSIE = HUB.Browser.isMSIE;
var EVENT, TOUCH, HOVER; // filled in later
var EVENT, TOUCH, HOVER, ZOOM; // filled in later
HUB.Register.StartupHook("MathZoom Ready",function () {ZOOM = MathJax.Extension.MathZoom});
nMML.Augment({
//
@ -188,7 +190,7 @@
var event = window.event;
var type = nMML.MSIEevents[event.type];
if (nMML[type] && nMML[type](event,this) === false) {return false}
if (MathJax.Extension.MathZoom && MathJax.Extension.MathZoom.HandleEvent(event,type,this) === false) {return false}
if (ZOOM && ZOOM.HandleEvent(event,type,this) === false) {return false}
if (event.srcElement.className === "MathJax_MathPlayer_Overlay" && this.msieMath.fireEvent)
{this.msieMath.fireEvent("on"+event.type,event)}
return EVENT.False(event);
@ -211,6 +213,16 @@
return {w:w, h:h, d:d, x:x}
},
Zoom: function (root,span,math) {
root.toNativeMML(span,span);
var top = ZOOM.getTop(root,span.parentNode,math,this.msieTopBug,false);
if (this.msieIE8HeightBug) {span.style.position = "absolute"}
var mW = math.offsetWidth || math.scrollWidth,
mH = math.offsetHeight || math.scrollHeight;
var zW = span.offsetWidth, zH = span.offsetHeight;
if (this.msieIE8HeightBug) {span.style.position = ""}
return {Y:-top, mW:mW, mH:mH, zW:zW, zH:zH}
},
NAMEDSPACE: {
negativeveryverythinmathspace: "-.0556em",
@ -481,9 +493,14 @@
HUB.Browser.Select({
MSIE: function (browser) {
var quirks = (document.compatMode === "BackCompat");
var isIE8 = browser.versionAtLeast("8.0") && document.documentMode > 7;
nMML.msieInlineBlockAlignBug = (!isIE8 || quirks);
nMML.msieTopBug = (!browser.versionAtLeast("8.0") || document.documentMode === 7);
var mode = (document.documentMode || 0);
var isIE8 = browser.versionAtLeast("8.0");
nMML.Augment({
msieInlineBlockAlignBug: (!isIE8 || mode < 8 || quirks),
msieTopBug: (!isIE8 || mode === 7),
msieIE8HeightBug: (mode === 8),
msieTopBug: (!isIE8 || mode !== 8)
});
},
Opera: function (browser) {
nMML.operaPositionBug = true;