110 lines
4.1 KiB
JavaScript
110 lines
4.1 KiB
JavaScript
/*
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* Based on Simon Willison's blockquotes.js
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* http://simon.incutio.com/archive/2002/12/20/#blockquoteCitations
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*/
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function extractBlockquoteCitations() {
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var quotes = document.getElementsByTagName('blockquote');
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for (i = 0; i < quotes.length; i++) {
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var cite = quotes[i].getAttribute('cite');
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if (cite && cite != '') {
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var newlink = document.createElement('a');
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newlink.setAttribute('href', cite);
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newlink.setAttribute('title', cite);
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newlink.appendChild(document.createTextNode('#'));
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var newspan = document.createElement('span');
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newspan.setAttribute('class','blockquotesource');
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newspan.appendChild(newlink);
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quotes[i].lastChild.previousSibling.appendChild(newspan);
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}
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}
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}
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function fixRunIn() {
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// work around lack of gecko support for display:run-in
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var re = /^num_|\s+num_|^un_|\s+un_|proof/;
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$$('div > h6').each(function(element) {
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if(re.test($(element.parentNode).className)) {
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var new_span = new Element('span').update(element.textContent);
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new_span.addClassName('theorem_label');
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var next_el = element.next().firstChild;
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next_el.parentNode.insertBefore(new_span, next_el);
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var period = new Element('span').update('. ');
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next_el.parentNode.insertBefore(period, next_el);
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element.remove();
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}
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});
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// add tombstone to proof, since gecko doesn't support :last-child properly
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$$('div.proof').each(function(element) {
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var l = element.childElements().length -1;
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var span = new Element('span').update('\u00a0\u00a0\u25ae');
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element.childElements()[l].insert(span);
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});
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}
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function mactionWorkarounds() {
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$$('maction[actiontype="tooltip"]').each( function(mtool){
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Element.writeAttribute(mtool, 'title',
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Element.firstDescendant(mtool).nextSibling.firstChild.data);
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});
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$$('maction[actiontype="statusline"]').each( function(mstatus){
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var v = Element.firstDescendant(mstatus).nextSibling.firstChild.data;
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Event.observe(mstatus, 'mouseover', function(){window.status = v;});
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Event.observe(mstatus, 'mouseout', function(){window.status = '';});
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});
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}
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function updateSize(elt, w, h) {
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// adjust to the size of the user's browser area.
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// w and h are the original, unadjusted, width and height per row/column
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var parentheight = document.viewport.getHeight() - $('pageName').getHeight()
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- $('editFormButtons').getHeight() - $('hidebutton').getHeight();
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var parentwidth = $('Content').getWidth();
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var f = $('MarkupHelp');
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if (f.visible()) { parentwidth = parentwidth - f.getWidth() - 20 }
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var changename = $('alter_title');
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if (changename) {
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parentheight = parentheight - changename.parentNode.getHeight()-2*h;
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}
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elt.writeAttribute({'cols': Math.floor(parentwidth/w) - 1,
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'rows': Math.floor(parentheight/h) - 4 });
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elt.setStyle({Width: parentwidth, Height: parentheight});
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}
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function resizeableTextarea() {
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//make the textarea resize to fit available space
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var f = $('MarkupHelp');
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if (f) {
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var hidebutton = new Element('input', {id:'hidebutton', type:'button', value: 'Hide markup help'});
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f.insert({before: hidebutton});
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}
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$$('textarea#content').each( function(textarea) {
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var w = textarea.getWidth()/textarea.getAttribute('cols');
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var h = textarea.getStyle('lineHeight').replace(/(\d*)px/, "$1");
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var changename = $('alter_title');
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if (changename) {
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Event.observe(changename.parentNode, 'change', function() {
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updateSize(textarea, w, h);
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});
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}
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Event.observe(hidebutton, 'click', function(){
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if (f.visible()) {
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f.hide();
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hidebutton.writeAttribute({value: 'Show markup help'});
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updateSize(textarea, w, h)
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} else {
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f.show();
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hidebutton.writeAttribute({value: 'Hide markup help'});
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updateSize(textarea, w, h)
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}
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});
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Event.observe(window, 'resize', function(){ updateSize(textarea, w, h) });
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updateSize(textarea, w, h);
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});
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}
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window.onload = function (){
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extractBlockquoteCitations();
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fixRunIn();
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mactionWorkarounds();
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resizeableTextarea();
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};
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