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Bug 84098 Link properties dialog should display ids as well as named anchors and headings p=basic@mozillanews.org r=me sr=brendan

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neil%parkwaycc.co.uk 2004-01-30 11:04:40 +00:00
parent 50248a9c72
commit 6beb28a3a1
1 changed files with 65 additions and 36 deletions
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101
editor/ui/dialogs/content/EdDialogCommon.js
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@ -977,48 +977,77 @@ function FillLinkMenulist(linkMenulist, headingsArray)
var menupopup = linkMenulist.firstChild;
var editor = GetCurrentEditor();
try {
var NamedAnchorNodeList = editor.document.anchors;
var NamedAnchorCount = NamedAnchorNodeList.length;
if (NamedAnchorCount > 0)
var treeWalker = editor.document.createTreeWalker(editor.document, 1, null, true);
var headingList = [];
var anchorList = []; // for sorting
var anchorMap = {}; // for weeding out duplicates and making heading anchors unique
var anchor;
var i;
for (var element = treeWalker.nextNode(); element; element = treeWalker.nextNode())
{
for (var i = 0; i < NamedAnchorCount; i++)
createMenuItem(menupopup, "#" + NamedAnchorNodeList.item(i).name);
}
for (var j = 1; j <= 6; j++)
{
var headingList = editor.document.getElementsByTagName("h" + j);
for (var k = 0; k < headingList.length; k++)
// grab headings
// Skip headings that already have a named anchor as their first child
// (this may miss nearby anchors, but at least we don't insert another
// under the same heading)
if (element instanceof HTMLHeadingElement && element.textContent &&
!(element.firstChild instanceof HTMLAnchorElement && element.firstChild.name))
headingList.push(element);
// grab named anchors
if (element instanceof HTMLAnchorElement && element.name)
{
var heading = headingList.item(k);
// Skip headings that already have a named anchor as their first child
// (this may miss nearby anchors, but at least we don't insert another
// under the same heading)
var child = heading.firstChild;
if (child && child.nodeName == "A" && child.name && (child.name.length>0))
continue;
var range = editor.document.createRange();
range.setStart(heading,0);
var lastChildIndex = heading.childNodes.length;
range.setEnd(heading,lastChildIndex);
var text = range.toString();
if (text)
anchor = '#' + element.name;
if (!(anchor in anchorMap))
{
// Use just first 40 characters, don't add "...",
// and replace whitespace with "_" and strip non-word characters
text = "#" + ConvertToCDATAString(TruncateStringAtWordEnd(text, 40, false));
// Append "_" to any name already in the list
while (linkMenulist.getElementsByAttribute("label", text).length)
text += "_";
createMenuItem(menupopup, text);
// Save nodes in an array so we can create anchor node under it later
headingsArray[text] = heading;
anchorList.push({anchor: anchor, sortkey: anchor.toLowerCase()});
anchorMap[anchor] = true;
}
}
// grab IDs
if (element.id)
{
anchor = '#' + element.id;
if (!(anchor in anchorMap))
{
anchorList.push({anchor: anchor, sortkey: anchor.toLowerCase()});
anchorMap[anchor] = true;
}
}
}
if (!menupopup.hasChildNodes())
// add anchor for headings
for (i = 0; i < headingList.length; i++)
{
var heading = headingList[i];
// Use just first 40 characters, don't add "...",
// and replace whitespace with "_" and strip non-word characters
anchor = '#' + ConvertToCDATAString(TruncateStringAtWordEnd(heading.textContent, 40, false));
// Append "_" to any name already in the list
while (anchor in anchorMap)
anchor += "_";
anchorList.push({anchor: anchor, sortkey: anchor.toLowerCase()});
anchorMap[anchor] = true;
// Save nodes in an array so we can create anchor node under it later
headingsArray[anchor] = heading;
}
if (anchorList.length)
{
// case insensitive sort
function compare(a, b)
{
if(a.sortkey < b.sortkey) return -1;
if(a.sortkey > b.sortkey) return 1;
return 0;
}
anchorList.sort(compare);
for (i = 0; i < anchorList.length; i++)
createMenuItem(menupopup,anchorList[i].anchor);
}
else
{
var item = createMenuItem(menupopup, GetString("NoNamedAnchorsOrHeadings"));
item.setAttribute("disabled", "true");