mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/CategoryTree
synced 2024-11-16 12:42:26 +00:00
261d68c15a
* changed all @addtogroup to @ingroup * added some @file where needed * changed some @package/@subpackage to @ingroup
163 lines
4.4 KiB
JavaScript
163 lines
4.4 KiB
JavaScript
/*
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* JavaScript functions for the CategoryTree extension, an AJAX based gadget
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* to display the category structure of a wiki
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*
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* @file
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* @ingroup Extensions
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* @author Daniel Kinzler, brightbyte.de
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* @copyright © 2006 Daniel Kinzler
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* @licence GNU General Public Licence 2.0 or later
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*
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* NOTE: if you change this, increment $wgCategoryTreeVersion
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* in CategoryTree.php to avoid users getting stale copies from cache.
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*/
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// Default messages if new code loaded with old cached page
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var categoryTreeErrorMsg = "Problem loading data.";
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var categoryTreeRetryMsg = "Please wait a moment and try again.";
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function categoryTreeNextDiv(e) {
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var n= e.nextSibling;
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while ( n && ( n.nodeType != 1 || n.nodeName != 'DIV') ) {
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//alert('nodeType: ' + n.nodeType + '; nodeName: ' + n.nodeName);
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n= n.nextSibling;
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}
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return n;
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}
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function categoryTreeExpandNode(cat, options, lnk) {
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var div= categoryTreeNextDiv( lnk.parentNode.parentNode );
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div.style.display= 'block';
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lnk.innerHTML= categoryTreeCollapseBulletMsg;
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lnk.title= categoryTreeCollapseMsg;
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lnk.onclick= function() { categoryTreeCollapseNode(cat, options, lnk) }
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if (!lnk.className.match(/(^| )CategoryTreeLoaded($| )/)) {
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categoryTreeLoadNode(cat, options, lnk, div);
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}
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}
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function categoryTreeCollapseNode(cat, options, lnk) {
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var div= categoryTreeNextDiv( lnk.parentNode.parentNode );
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div.style.display= 'none';
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lnk.innerHTML= categoryTreeExpandBulletMsg;
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lnk.title= categoryTreeExpandMsg;
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lnk.onclick= function() { categoryTreeExpandNode(cat, options, lnk) }
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}
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function categoryTreeLoadNode(cat, options, lnk, div) {
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div.style.display= 'block';
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lnk.className= 'CategoryTreeLoaded';
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lnk.innerHTML= categoryTreeCollapseBulletMsg;
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lnk.title= categoryTreeCollapseMsg;
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lnk.onclick= function() { categoryTreeCollapseNode(cat, options, lnk) }
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categoryTreeLoadChildren(cat, options, div)
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}
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// FIXME Why can't this just use uneval()?
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function categoryTreeEncodeValue(value) {
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switch (typeof value) {
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case 'function':
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throw new Error("categoryTreeEncodeValue encountered a function");
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break;
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case 'string':
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s = '"' + value.replace(/([\\"'])/g, "\\$1") + '"';
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break;
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case 'number':
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case 'boolean':
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case 'null':
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s = String(value);
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break;
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case 'object':
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if ( !value ) {
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s = 'null';
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} else if (typeof value.length === 'number' && !(value.propertyIsEnumerable('length'))) {
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s = '';
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for (i = 0; i<value.length; i++) {
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v = value[i];
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if ( s!='' ) s += ', ';
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s += categoryTreeEncodeValue( v );
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}
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s = '[' + s + ']';
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} else {
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s = '';
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for (k in value) {
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v = value[k];
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if ( s!='' ) s += ', ';
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s += categoryTreeEncodeValue( k );
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s += ': ';
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s += categoryTreeEncodeValue( v );
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}
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s = '{' + s + '}';
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}
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break;
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default:
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throw new Error("categoryTreeEncodeValue encountered strange variable type " + (typeof value));
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}
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return s;
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}
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function categoryTreeLoadChildren(cat, options, div) {
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div.innerHTML= '<i class="CategoryTreeNotice">' + categoryTreeLoadingMsg + '</i>';
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if ( typeof options == "string" ) { //hack for backward compatibility
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options = { mode : options };
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}
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function f( request ) {
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if (request.status != 200) {
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div.innerHTML = '<i class="CategoryTreeNotice">' + categoryTreeErrorMsg + ' </i>';
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var retryLink = document.createElement('a');
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retryLink.innerHTML = categoryTreeRetryMsg;
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retryLink.onclick = function() {
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categoryTreeLoadChildren(cat, options, div, enc);
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}
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div.appendChild(retryLink);
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return;
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}
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result= request.responseText;
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result= result.replace(/^\s+|\s+$/, '');
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if ( result == '' ) {
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result= '<i class="CategoryTreeNotice">';
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if ( options.mode == 0 ) {
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result= categoryTreeNoSubcategoriesMsg;
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} else if ( options.mode == 10 ) {
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result= categoryTreeNoPagesMsg;
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} else if ( options.mode == 100 ) {
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result= categoryTreeNoParentCategoriesMsg;
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} else {
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result= categoryTreeNothingFoundMsg;
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}
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result+= '</i>';
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}
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result = result.replace(/##LOAD##/g, categoryTreeExpandMsg);
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div.innerHTML= result;
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categoryTreeShowToggles();
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}
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var opt = categoryTreeEncodeValue(options);
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sajax_do_call( "efCategoryTreeAjaxWrapper", [cat, opt, 'json'] , f );
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}
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function categoryTreeShowToggles() {
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var toggles = getElementsByClassName( document, 'span', 'CategoryTreeToggle' );
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for( var i = 0; i<toggles.length; ++i ) {
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toggles[i].style.display = 'inline';
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}
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}
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// Re-show the CategoryTreeToggles
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addOnloadHook(categoryTreeShowToggles);
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