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Refactor getInputHint.

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This commit is contained in:
Doug Kearns
2009-06-17 20:41:13 +10:00
parent 8a834b3386
commit 5d58a5a501
1 changed files with 14 additions and 15 deletions
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29
common/content/hints.js
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@@ -142,13 +142,12 @@ function Hints() //{{{
* If it finds a hint it returns it, if the hint is not the caption of the
* element it will return showtext=true.
*
* @param {Object} elem The element.
* @param {string} tagname Its tagname.
* @param {Document} doc The document it is in.
* @param {Object} elem The element used to generate hint text.
* @param {Document} doc The containing document.
*
* @returns [text, showtext]
*/
function getInputHint(elem, tagname, doc)
function getInputHint(elem, doc)
{
// <input type="submit|button|reset"> Always use the value
// <input type="radio|checkbox"> Use the value if it is not numeric or label or name
@@ -157,10 +156,10 @@ function Hints() //{{{
// <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
text = "";
let type = elem.type ? elem.type.toLowerCase() : "";
if (tagname == "input" && (type == "submit" || type == "button" || type == "reset"))
let type = elem.type;
if (elem instanceof HTMLInputElement && /(submit|button|reset)/.test(type))
return [elem.value, false];
else
{
@@ -168,7 +167,7 @@ function Hints() //{{{
{
if (option == "value")
{
if (tagname == "select")
if (elem instanceof HTMLSelectElement)
{
if (elem.selectedIndex >= 0)
return [elem.item(elem.selectedIndex).text.toLowerCase(), false];
@@ -199,6 +198,7 @@ function Hints() //{{{
return [elem.name.toLowerCase(), true];
}
}
return ["", false];
}
@@ -293,7 +293,7 @@ function Hints() //{{{
let baseNodeAbsolute = util.xmlToDom(<span highlight="Hint"/>, doc);
let elem, tagname, 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);
@@ -315,9 +315,8 @@ function Hints() //{{{
if (computedStyle.getPropertyValue("visibility") != "visible" || computedStyle.getPropertyValue("display") == "none")
continue;
tagname = elem.localName.toLowerCase();
if (tagname == "input" || tagname == "select" || tagname == "textarea")
[text, showtext] = getInputHint(elem, tagname, doc);
if (elem instanceof HTMLInputElement || elem instanceof HTMLSelectElement || elem instanceof HTMLTextAreaElement)
[text, showtext] = getInputHint(elem, doc);
else
text = elem.textContent.toLowerCase();
@@ -326,7 +325,7 @@ function Hints() //{{{
let leftpos = Math.max((rect.left + scrollX), scrollX);
let toppos = Math.max((rect.top + scrollY), scrollY);
if (tagname == "area")
if (elem instanceof HTMLAreaElement)
[leftpos, toppos] = getAreaOffset(elem, leftpos, toppos);
span.style.left = leftpos + "px";
@@ -388,7 +387,7 @@ function Hints() //{{{
function showHints()
{
let elem, tagname, 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;
@@ -416,7 +415,7 @@ function Hints() //{{{
continue inner;
}
if (text == "" && elem.firstChild && elem.firstChild.tagName == "IMG")
if (text == "" && elem.firstChild && elem.firstChild instanceof HTMLImageElement)
{
if (!imgspan)
{