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