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Change lots of local vars in hints.js to camel case.

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HACKING is that way ->

--HG--
extra : rebase_source : f531065897da913844d46f084a3b2ee890f215d1
This commit is contained in:
Doug Kearns
2009-10-13 17:35:47 +11:00
parent e32cabe61b
commit 9450e65d05
1 changed files with 59 additions and 59 deletions
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118
common/content/hints.js
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@@ -12,7 +12,7 @@ function Hints() //{{{
////////////////////// PRIVATE SECTION /////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////{{{
const ELEM = 0, TEXT = 1, SPAN = 2, IMGSPAN = 3;
const ELEM = 0, TEXT = 1, SPAN = 2, IMG_SPAN = 3;
var myModes = config.browserModes;
@@ -24,7 +24,7 @@ function Hints() //{{{
var prevInput = ""; // record previous user input type, "text" || "number"
var extendedhintCount; // for the count argument of Mode#action (extended hint only)
// hints[] = [elem, text, span, imgspan, elem.style.backgroundColor, elem.style.color]
// hints[] = [elem, text, span, imgSpan, elem.style.backgroundColor, elem.style.color]
var pageHints = [];
var validHints = []; // store the indices of the "hints" array with valid elements
@@ -115,12 +115,12 @@ function Hints() //{{{
* neighbouring element might look like a label. Only called by generate().
*
* If it finds a hint it returns it, if the hint is not the caption of the
* element it will return showtext=true.
* element it will return showText=true.
*
* @param {Object} elem The element used to generate hint text.
* @param {Document} doc The containing document.
*
* @returns [text, showtext]
* @returns [text, showText]
*/
function getInputHint(elem, doc)
{
@@ -128,7 +128,7 @@ function Hints() //{{{
// <input type="radio|checkbox"> Use the value if it is not numeric or label or name
// <input type="password"> Never use the value, use label or name
// <input type="text|file"> <textarea> Use value if set or label or name
// <input type="image"> Use the alt text if present (showtext) or label or name
// <input type="image"> Use the alt text if present (showText) or label or name
// <input type="hidden"> Never gets here
// <select> Use the text of the selected item or label or name
@@ -183,69 +183,69 @@ function Hints() //{{{
* Only called by generate().
*
* @param {Object} elem The <area> element.
* @param {number} leftpos The left offset of the image.
* @param {number} toppos The top offset of the image.
* @returns [leftpos, toppos] The updated offsets.
* @param {number} leftPos The left offset of the image.
* @param {number} topPos The top offset of the image.
* @returns [leftPos, topPos] The updated offsets.
*/
function getAreaOffset(elem, leftpos, toppos)
function getAreaOffset(elem, leftPos, topPos)
{
try
{
// Need to add the offset to the area element.
// Always try to find the top-left point, as per liberator default.
let shape = elem.getAttribute("shape").toLowerCase();
let coordstr = elem.getAttribute("coords");
let coordStr = elem.getAttribute("coords");
// Technically it should be only commas, but hey
coordstr = coordstr.replace(/\s+[;,]\s+/g, ",").replace(/\s+/g, ",");
let coords = coordstr.split(",").map(Number);
coordStr = coordStr.replace(/\s+[;,]\s+/g, ",").replace(/\s+/g, ",");
let coords = coordStr.split(",").map(Number);
if ((shape == "rect" || shape == "rectangle") && coords.length == 4)
{
leftpos += coords[0];
toppos += coords[1];
leftPos += coords[0];
topPos += coords[1];
}
else if (shape == "circle" && coords.length == 3)
{
leftpos += coords[0] - coords[2] / Math.sqrt(2);
toppos += coords[1] - coords[2] / Math.sqrt(2);
leftPos += coords[0] - coords[2] / Math.sqrt(2);
topPos += coords[1] - coords[2] / Math.sqrt(2);
}
else if ((shape == "poly" || shape == "polygon") && coords.length % 2 == 0)
{
let leftbound = Infinity;
let topbound = Infinity;
let leftBound = Infinity;
let topBound = Infinity;
// First find the top-left corner of the bounding rectangle (offset from image topleft can be noticably suboptimal)
for (let i = 0; i < coords.length; i += 2)
{
leftbound = Math.min(coords[i], leftbound);
topbound = Math.min(coords[i + 1], topbound);
leftBound = Math.min(coords[i], leftBound);
topBound = Math.min(coords[i + 1], topBound);
}
let curtop = null;
let curleft = null;
let curdist = Infinity;
let curTop = null;
let curLeft = null;
let curDist = Infinity;
// Then find the closest vertex. (we could generalise to nearest point on an edge, but I doubt there is a need)
for (let i = 0; i < coords.length; i += 2)
{
let leftoffset = coords[i] - leftbound;
let topoffset = coords[i + 1] - topbound;
let dist = Math.sqrt(leftoffset * leftoffset + topoffset * topoffset);
if (dist < curdist)
let leftOffset = coords[i] - leftBound;
let topOffset = coords[i + 1] - topBound;
let dist = Math.sqrt(leftOffset * leftOffset + topOffset * topOffset);
if (dist < curDist)
{
curdist = dist;
curleft = coords[i];
curtop = coords[i + 1];
curDist = dist;
curLeft = coords[i];
curTop = coords[i + 1];
}
}
// If we found a satisfactory offset, let's use it.
if (curdist < Infinity)
return [leftpos + curleft, toppos + curtop];
if (curDist < Infinity)
return [leftPos + curLeft, topPos + curTop];
}
}
catch (e) {} // badly formed document, or shape == "default" in which case we don't move the hint
return [leftpos, toppos];
return [leftPos, topPos];
}
// the containing block offsets with respect to the viewport
@@ -283,14 +283,14 @@ function Hints() //{{{
let baseNodeAbsolute = util.xmlToDom(<span highlight="Hint"/>, doc);
let elem, text, span, rect, showtext;
let elem, text, span, rect, showText;
let res = buffer.evaluateXPath(hintMode.tags(), doc, null, true);
let fragment = util.xmlToDom(<div highlight="hints"/>, doc);
let start = pageHints.length;
for (let elem in res)
{
showtext = false;
showText = false;
// TODO: for iframes, this calculation is wrong
rect = elem.getBoundingClientRect();
@@ -306,23 +306,23 @@ function Hints() //{{{
continue;
if (elem instanceof HTMLInputElement || elem instanceof HTMLSelectElement || elem instanceof HTMLTextAreaElement)
[text, showtext] = getInputHint(elem, doc);
[text, showText] = getInputHint(elem, doc);
else
text = elem.textContent.toLowerCase();
span = baseNodeAbsolute.cloneNode(true);
let leftpos = Math.max((rect.left + offsetX), offsetX);
let toppos = Math.max((rect.top + offsetY), offsetY);
let leftPos = Math.max((rect.left + offsetX), offsetX);
let topPos = Math.max((rect.top + offsetY), offsetY);
if (elem instanceof HTMLAreaElement)
[leftpos, toppos] = getAreaOffset(elem, leftpos, toppos);
[leftPos, topPos] = getAreaOffset(elem, leftPos, topPos);
span.style.left = leftpos + "px";
span.style.top = toppos + "px";
span.style.left = leftPos + "px";
span.style.top = topPos + "px";
fragment.appendChild(span);
pageHints.push([elem, text, span, null, elem.style.backgroundColor, elem.style.color, showtext]);
pageHints.push([elem, text, span, null, elem.style.backgroundColor, elem.style.color, showText]);
}
if (doc.body)
@@ -377,7 +377,7 @@ function Hints() //{{{
function showHints()
{
let elem, text, rect, span, imgspan, _a, _b, showtext;
let elem, text, rect, span, imgSpan, _a, _b, showText;
let hintnum = 1;
let validHint = hintMatcher(hintString.toLowerCase());
let activeHint = hintNumber || 1;
@@ -391,12 +391,12 @@ function Hints() //{{{
for (let i in (util.interruptibleRange(start, end + 1, 500)))
{
let hint = pageHints[i];
[elem, text, span, imgspan, _a, _b, showtext] = hint;
[elem, text, span, imgSpan, _a, _b, showText] = hint;
let valid = validHint(text);
span.style.display = (valid ? "" : "none");
if (imgspan)
imgspan.style.display = (valid ? "" : "none");
if (imgSpan)
imgSpan.style.display = (valid ? "" : "none");
if (!valid)
{
@@ -406,27 +406,27 @@ function Hints() //{{{
if (text == "" && elem.firstChild && elem.firstChild instanceof HTMLImageElement)
{
if (!imgspan)
if (!imgSpan)
{
rect = elem.firstChild.getBoundingClientRect();
if (!rect)
continue;
imgspan = util.xmlToDom(<span highlight="Hint"/>, doc);
imgspan.setAttributeNS(NS.uri, "class", "HintImage");
imgspan.style.left = (rect.left + offsetX) + "px";
imgspan.style.top = (rect.top + offsetY) + "px";
imgspan.style.width = (rect.right - rect.left) + "px";
imgspan.style.height = (rect.bottom - rect.top) + "px";
hint[IMGSPAN] = imgspan;
span.parentNode.appendChild(imgspan);
imgSpan = util.xmlToDom(<span highlight="Hint"/>, doc);
imgSpan.setAttributeNS(NS.uri, "class", "HintImage");
imgSpan.style.left = (rect.left + offsetX) + "px";
imgSpan.style.top = (rect.top + offsetY) + "px";
imgSpan.style.width = (rect.right - rect.left) + "px";
imgSpan.style.height = (rect.bottom - rect.top) + "px";
hint[IMG_SPAN] = imgSpan;
span.parentNode.appendChild(imgSpan);
}
setClass(imgspan, activeHint == hintnum);
setClass(imgSpan, activeHint == hintnum);
}
span.setAttribute("number", showtext ? hintnum + ": " + text.substr(0, 50) : hintnum);
if (imgspan)
imgspan.setAttribute("number", hintnum);
span.setAttribute("number", showText ? hintnum + ": " + text.substr(0, 50) : hintnum);
if (imgSpan)
imgSpan.setAttribute("number", hintnum);
else
setClass(elem, activeHint == hintnum);
validHints.push(elem);