commit 3312e9ca3e90fe0bbf39abf5ea275af944206681
parent 849ce805998921652651175ae92d331f01f72400
Author: Davide P. Cervone <dpvc@union.edu>
Date: Tue, 23 Aug 2011 14:32:07 -0400
Make menu button float on top of math, and make delays and other values into paramaters that can be changed (needed for menu arrow positioning
Diffstat:
2 files changed, 54 insertions(+), 34 deletions(-)
diff --git a/unpacked/MathJax.js b/unpacked/MathJax.js
@@ -1203,7 +1203,6 @@ MathJax.Hub = {
ALT: false, // require Alt or Option?
CMD: false, // require CMD?
Shift: false, // require Shift?
- hover: 500, // length of time mouse must be still to count as hover
discoverable: true, // make math menu discoverable on hover?
zscale: "200%", // the scaling factor for MathZoom
renderer: "", // set when Jax are loaded
diff --git a/unpacked/extensions/UIevents.js b/unpacked/extensions/UIevents.js
@@ -49,7 +49,6 @@
".MathJax_Hover_Arrow": {
position:"absolute",
- top:"1px", right:"-11px",
width:"15px", height:"11px",
cursor:"pointer"
}
@@ -173,6 +172,18 @@
// Handle hover "discoverability"
//
var HOVER = UI.Hover = {
+ delay: 500, // time required to be considered a hover
+ frame: {x: 3.5, y: 5, d: 1}, // frame padding and thickness
+ button: {
+ x: -4, y: -3, wx: -2, // menu button offsets
+ src: AJAX.fileURL(OUTPUT.imageDir+"/MenuArrow-15.png") // button image
+ },
+ fadeinInc: .2, // increment for fade-in
+ fadeoutInc: .05, // increment for fade-out
+ fadeinStart: 50, // delay before fadein after mouseover
+ fadeoutStart: 400, // delay before fadeout after mouseout
+ fadeoutDelay: 15*1000, // delay before automatic fade-out
+
//
// Check if we are moving from a non-MathJax element to a MathJax one
// and either start fading in again (if it is fading out) or start the
@@ -223,7 +234,7 @@
//
HoverTimer: function (jax,math) {
this.ClearHoverTimer();
- this.hoverTimer = setTimeout(CALLBACK(["Hover",this,jax,math]),SETTINGS.hover);
+ this.hoverTimer = setTimeout(CALLBACK(["Hover",this,jax,math]),HOVER.delay);
},
ClearHoverTimer: function () {
if (this.hoverTimer) {clearTimeout(this.hoverTimer); delete this.hoverTimer}
@@ -244,7 +255,7 @@
span = JAX.getHoverSpan(jax,math),
bbox = JAX.getHoverBBox(jax,span,math),
show = (JAX.config.showMathMenu != null ? JAX : HUB).config.showMathMenu;
- var dx = 3.5, dy = 5, dd = 1; // frame size
+ var dx = this.frame.x, dy = this.frame.y, dd = this.frame.d; // frame size
if (UI.msieBorderWidthBug) {dd = 0}
jax.hover = {opacity:0, id: jax.inputID+"-Hover"};
//
@@ -260,46 +271,53 @@
top:this.Px(-bbox.h-dy-dd-(bbox.y||0)), left:this.Px(-dx-dd+(bbox.x||0)),
width:this.Px(bbox.w+2*dx), height:this.Px(bbox.h+bbox.d+2*dy),
opacity:0, filter:"alpha(opacity=0)"
- }},[[
- "img",{
- className: "MathJax_Hover_Arrow", isMathJax: true, math: math,
- src: AJAX.fileURL(OUTPUT.imageDir+"/MenuArrow-15.png"),
- onclick: this.HoverMenu, jax:JAX.id
- }
- ]]
+ }}
]]
);
- if (UI.msieZIndexBug) {frame.style.zIndex = 1}
+ var button = HTML.Element("span",{
+ isMathJax: true, id:jax.hover.id+"Menu",
+ style:{display:"inline-block", "z-index": 1, width:0, height:0, position:"relative"}
+ },[["img",{
+ className: "MathJax_Hover_Arrow", isMathJax: true, math: math,
+ src: this.button.src, onclick: this.HoverMenu, jax:JAX.id,
+ style: {
+ left:this.Px(bbox.w+dx+dd+(bbox.x||0)+this.button.x),
+ top:this.Px(-bbox.h-dy-dd-(bbox.y||0)-this.button.y),
+ opacity:0, filter:"alpha(opacity=0)"
+ }
+ }]]
+ );
if (bbox.width) {
- frame.style.width = bbox.width;
- frame.style.marginRight = "-"+bbox.width;
+ frame.style.width = button.style.width = bbox.width;
+ frame.style.marginRight = button.style.marginRight = "-"+bbox.width;
frame.firstChild.style.width = bbox.width;
- frame.firstChild.firstChild.style.right = "-5px";
+ button.firstChild.style.left = "";
+ button.firstChild.style.right = this.Px(this.button.wx);
}
- if (!show) {frame.firstChild.removeChild(frame.firstChild.firstChild)}
//
- // Add the frame
+ // Add the frame and button
//
span.parentNode.insertBefore(frame,span);
+ if (show) {span.parentNode.insertBefore(button,span)}
if (span.style) {span.style.position = "relative"} // so math is on top of hover frame
//
// Start the hover fade-in
//
- this.ReHover(jax,.2);
+ this.ReHover(jax);
},
//
// Restart the hover fade in and fade-out timers
//
ReHover: function (jax) {
if (jax.hover.remove) {clearTimeout(jax.hover.remove)}
- jax.hover.remove = setTimeout(CALLBACK(["UnHover",this,jax]),15*1000);
- this.HoverFadeTimer(jax,.2);
+ jax.hover.remove = setTimeout(CALLBACK(["UnHover",this,jax]),this.fadeoutDelay);
+ this.HoverFadeTimer(jax,this.fadeinInc);
},
//
// Start the fade-out
//
UnHover: function (jax) {
- if (!jax.hover.nofade) {this.HoverFadeTimer(jax,-.05,400)}
+ if (!jax.hover.nofade) {this.HoverFadeTimer(jax,-this.fadeoutInc,this.fadeoutStart)}
},
//
// Handle the fade-in and fade-out
@@ -308,13 +326,18 @@
delete jax.hover.timer;
jax.hover.opacity = Math.max(0,Math.min(1,jax.hover.opacity + jax.hover.inc));
jax.hover.opacity = Math.floor(1000*jax.hover.opacity)/1000;
- var span = document.getElementById(jax.hover.id);
- span.firstChild.style.opacity = jax.hover.opacity;
- span.firstChild.style.filter = "alpha(opacity="+Math.floor(100*jax.hover.opacity)+")";
+ var frame = document.getElementById(jax.hover.id),
+ button = document.getElementById(jax.hover.id+"Menu");
+ frame.firstChild.style.opacity = jax.hover.opacity;
+ frame.firstChild.style.filter = "alpha(opacity="+Math.floor(100*jax.hover.opacity)+")";
+ if (button) {
+ button.firstChild.style.opacity = jax.hover.opacity;
+ button.firstChild.style.filter = frame.style.filter;
+ }
if (jax.hover.opacity === 1) {return}
- if (jax.hover.opacity) {this.HoverFadeTimer(jax,jax.hover.inc); return}
- var frame = document.getElementById(jax.hover.id);
+ if (jax.hover.opacity > 0) {this.HoverFadeTimer(jax,jax.hover.inc); return}
frame.parentNode.removeChild(frame);
+ if (button) {button.parentNode.removeChild(button)}
if (jax.hover.remove) {clearTimeout(jax.hover.remove)}
delete jax.hover;
},
@@ -324,7 +347,7 @@
HoverFadeTimer: function (jax,inc,delay) {
jax.hover.inc = inc;
if (!jax.hover.timer) {
- jax.hover.timer = setTimeout(CALLBACK(["HoverFade",this,jax]),(delay||50));
+ jax.hover.timer = setTimeout(CALLBACK(["HoverFade",this,jax]),(delay||this.fadeinStart));
}
},
@@ -333,7 +356,7 @@
//
HoverMenu: function (event) {
if (!event) {event = window.event}
- OUTPUT[this.jax].ContextMenu(event,this.math,true);
+ return OUTPUT[this.jax].ContextMenu(event,this.math,true);
},
//
@@ -359,7 +382,7 @@
//
getImages: function () {
var menu = new Image();
- menu.src = AJAX.fileURL(OUTPUT.imageDir+"/MenuArrow-15.png");
+ menu.src = this.button.src;
}
};
@@ -419,10 +442,10 @@
//
// Mobile screens are small, so use larger version of arrow
//
- var arrow = CONFIG.styles[".MathJax_Hover_Arrow"];
if (HUB.Browser.isMobile) {
+ var arrow = CONFIG.styles[".MathJax_Hover_Arrow"];
arrow.width = "25px"; arrow.height = "18px";
- arrow.top = "-11px"; arrow.right = "-15px";
+ HOVER.button.x = -6;
}
//
@@ -432,9 +455,7 @@
MSIE: function (browser) {
var mode = (document.documentMode||0);
UI.msieBorderWidthBug = (document.compatMode === "BackCompat"); // borders are inside offsetWidth/Height
- UI.msieZIndexBug = (mode < 8); // put hover frame on top of math
- UI.msieEventBug = browser.isIE9; // must get event from window even though event is passes
- if (mode < 8 && !browser.isIE9) {arrow.top = arrow.right = "-1px"} // IE < 8 clips to frame
+ UI.msieEventBug = browser.isIE9; // must get event from window even though event is passed
if (mode < 9) {EVENT.LEFTBUTTON = 1} // IE < 9 has wrong event.button values
},
Safari: function (browser) {