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// WebPAC API |
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// |
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// Documented in this code only, I'm afraid. Beware of dragons! |
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// Dobrica Pavlinusic dpavlin(at)rot13(dot)org 2005-11-22 |
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|
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/* |
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load another template |
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*/ |
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function load_template(template_name) { |
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|
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var old_template = $('template_name').value; |
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|
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Logger.info('load_template: '+template_name+' (old: '+old_template+')'); |
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|
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if (template_name == old_template) { |
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Logger.error('why reload same template?'); |
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return false; |
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} |
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|
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$('template_name').value = template_name; |
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submit_results_form( 1 ); |
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return false; |
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} |
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|
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/* |
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pager |
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*/ |
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function load_results_page(page_nr) { |
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|
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if (parseInt(page_nr) != page_nr) { |
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Logger.error("load_results_page can't parseInt "+page_nr); |
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return false; |
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} |
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|
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var old_page = get_page_nr(); |
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|
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if (page_nr < 1) { |
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Logger.error("load_results_page called with '"+page_nr+"' < 1"); |
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return false; |
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} |
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|
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Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')'); |
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|
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if (page_nr == old_page) { |
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Logger.error('why reload same page?'); |
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return false; |
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} |
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|
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submit_results_form( page_nr ); |
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|
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return false; |
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} |
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|
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function get_page_nr() { |
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var page_nr = parseInt( $('page_nr').value ) || 1; |
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return page_nr; |
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} |
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|
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function reset_page_nr( nr ) { |
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if (! nr) nr = 1; |
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Logger.info('reset_page_nr to '+nr); |
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$('page_nr').value = nr; |
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} |
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|
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/* syntaxtic sugar */ |
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function set_page_nr(nr) { |
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return load_results_page(nr); |
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} |
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|
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function next_page() { |
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load_results_page( get_page_nr() + 1 ); |
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return false; |
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} |
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|
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function prev_page() { |
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load_results_page( get_page_nr() - 1 ); |
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return false; |
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} |
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|
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/* toggle visibility and replace text with something else */ |
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function toggleLinkAndElement ( link, elementID, text ) { |
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|
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if ( link.innerHTML != text ) { |
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// change link text |
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link.oldInnerHTML = link.innerHTML; |
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link.innerHTML = text; |
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} else { |
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// change it back |
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link.innerHTML = link.oldInnerHTML; |
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} |
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|
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Logger.debug('toggleLinkAndElement '+elementID+': '+Element.visible( elementID )+' text: '+text); |
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|
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Element.toggle( elementID ); |
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|
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// why is this needed, Firefox 1.5? |
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if (Element.visible( elementID )) $( elementID ).style.display = 'block'; |
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|
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return false; |
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} |
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|
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|
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/* |
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submit results form using AJAX |
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*/ |
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function submit_results_form( page_nr ) { |
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var results_form = $('results_form'); |
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|
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if (results_form) { |
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var form_params = Form.serialize( results_form ); |
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|
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var results_div = 'results'; |
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if (! page_nr) { |
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page_nr = get_page_nr() || 0; |
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} else { |
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$('page_nr').value = page_nr; |
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Logger.info("reset page_nr to "+page_nr); |
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} |
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|
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if (page_nr > 1) { |
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results_div += '_' + page_nr; |
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} |
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|
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if (! $( results_div )) { |
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Logger.error('next page div '+results_div+' doesn\'t exist'); |
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results_div = 'results'; |
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} |
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|
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var url = results_form.action; |
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url += '/ajax'; |
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|
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Logger.debug('submit_results_form to '+url+' page:'+page_nr+' div:'+results_div+' params:'+form_params); |
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|
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Logger.info( 'loading page '+page_nr+' into '+results_div ); |
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show_searching( page_nr ); |
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|
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new Ajax.Updater( results_div, url, { |
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parameters: form_params, |
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asynchronous: 1, |
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onComplete: function(request) { |
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Logger.info( 'page '+page_nr+' loaded into '+results_div ); |
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update_results_stat( page_nr ); |
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hide_searching( page_nr ); |
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} |
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} ) ; |
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return false; |
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} else { |
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Logger.debug('no results_form element'); |
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return undef; |
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} |
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return false; |
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} |
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|
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/* |
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helper functions for submit_results_form() |
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*/ |
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|
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var search_active = 0; |
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|
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function show_searching( page_nr ) { |
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Logger.debug('show_searching '+page_nr); |
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var el = 'searching'; |
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if (page_nr && page_nr > 1) el += '_'+page_nr; |
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Element.show( el ); |
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search_active = 1; |
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return false; |
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} |
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|
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function hide_searching( page_nr ) { |
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Logger.debug('hide_searching '+page_nr); |
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var el = 'searching'; |
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if (page_nr && page_nr > 1) { |
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Element.hide('page_'+(page_nr - 1)); |
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} |
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Element.hide( el ); |
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search_active = 0; |
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// new Effect.Appear('results', { duration: 0.3 }); |
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return false; |
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} |
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|
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/* |
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load record nr in some template |
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*/ |
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|
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function load_rec(record_uri, tmp_template_filename) { |
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if (! tmp_template_filename) tmp_template_filename = template_filename; |
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Logger.info('load_rec '+record_uri+' in '+tmp_template_filename); |
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|
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var results_form = $('results_form'); |
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|
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if (results_form) { |
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var args = '?record_uri='+record_uri+'&template_filename='+tmp_template_filename; |
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Logger.debug('Ajax.Updater(results,/search/record) '+args); |
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|
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show_searching(); |
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|
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new Ajax.Updater( 'results', '/search/record'+args, { |
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asynchronous: 1, |
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onComplete: function(request) { |
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hide_searching(); |
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} |
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} ) ; |
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return false; |
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} else { |
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Logger.debug('no results_form element'); |
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return undef; |
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} |
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return false; |
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} |
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|
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/* click on checkbox */ |
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|
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function checkbox_click() { |
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if (search_active) return false; |
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Logger.debug('checkbox_click'); |
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submit_results_form( 1 ); |
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return true; |
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} |
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|
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/* toggle or select checkbox with value toggle */ |
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|
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function checkbox_toggle( name, val ) { |
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return checkbox_magic( name, val, 0 ); |
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} |
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|
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function checkbox_single( name, val ) { |
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return checkbox_magic( name, val, 1 ); |
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} |
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function checkbox_magic( name, val, single ) { |
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|
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Logger.info('checkbox_magic('+name+','+val+','+single+')'); |
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|
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var form = $('results_form'); |
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var inputs = form.getElementsByTagName('input'); |
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|
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for (var i = 0; i < inputs.length; i++) { |
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var input = inputs[i]; |
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if (input.type != 'checkbox') continue; |
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if (single) { |
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input.checked = false; |
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} |
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if (input.name != name || input.value != val) continue; |
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Logger.debug('toggle '+input.name+'='+input.value+' '+input.checked); |
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input.checked = ! input.checked; |
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if (! single) { |
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submit_results_form( 1 ); |
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return false; |
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} |
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} |
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submit_results_form( 1 ); |
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return false; |
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} |
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|
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/* reset form fields in _reset hidden field to nothing */ |
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|
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function reset_form() { |
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Logger.info('reset '+$F('_reset')); |
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|
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var names = new Array(); |
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names = $F('_reset').split(','); |
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for(var i = 0; i < names.length; i++) { |
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Logger.debug('reset '+i+': '+names[i]); |
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$(names[i]).value=''; |
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} |
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|
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var t=$('search_table'); |
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var max_p = t.rows.length; |
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for(var i = 0; i < attr_rows.length; i++) { |
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var p = attr_rows[i]; |
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if (p != -1) { |
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if (p < max_p) { |
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Logger.debug('delete row '+p); |
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t.deleteRow( p ); |
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} else { |
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Logger.error('skipping invalid delete row '+p); |
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} |
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} |
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} |
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|
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attr_rows = new Array(); |
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|
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return false; |
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} |
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|
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/* helper function for [% search($display, $search, $delimiter) %] */ |
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|
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function search_via_link(attr, val, template) { |
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|
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if (! template) template = $('template_name').value; |
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Logger.info('search called from link for '+attr+'='+val+' in '+template); |
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save_search(attr, val); |
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|
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$('template_name').value = template; |
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submit_results_form( 1 ); |
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|
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return false; |
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} |
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|
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/* save search and add element for it in search form */ |
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|
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var attr_rows = new Array(); |
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|
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function save_search( attr, val ) { |
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Logger.info('save_search('+attr+','+val+')'); |
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|
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var t=$('search_table'); |
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if (! t) { |
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Logger.error("can't find search_table"); |
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return undef; |
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} |
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reset_form(); |
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|
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var form = $('results_form'); |
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var inputs = form.getElementsByTagName('input'); |
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|
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for (var i = 0; i < inputs.length; i++) { |
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var input = inputs[i]; |
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if (input.name != attr) continue; |
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Logger.debug('found '+name+'='+input.value); |
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input.value = unescape( val ); |
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return false; |
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} |
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|
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var t_row_nr = t.rows.length; |
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var tr = t.insertRow( t_row_nr ); |
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|
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if (! tr) { |
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Logger.error("can't create row "+t_row_nr); |
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return undef; |
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} |
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|
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var row_nr = attr_rows.length; |
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attr_rows[ row_nr ] = t_row_nr; |
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|
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Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']'); |
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|
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var td = tr.insertCell(0); |
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td.setAttribute('align', 'right'); |
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td.appendChild( |
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document.createTextNode(attr) |
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); |
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|
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td = tr.insertCell(1); |
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td.setAttribute('align', 'left'); |
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|
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var el = document.createElement('input'); |
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el.setAttribute('type', 'text'); |
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el.setAttribute('disabled', 'true'); |
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el.setAttribute('name', attr); |
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el.setAttribute('id', '_attr_'+attr+'_id'); |
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el.setAttribute('size', val.length < 60 ? 60: val.length); |
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el.setAttribute('value', unescape( val ) ); |
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td.appendChild(el); |
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|
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var el = document.createElement('input'); |
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el.setAttribute('type', 'button'); |
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el.setAttribute('value', '-'); |
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el.onclick = function () { |
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if (attr_rows[row_nr] == -1) { |
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Logger.error('row '+row_nr+' allready deleted'); |
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return false; |
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} |
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Logger.info('remove:' + attr + ' row:'+row_nr+' ['+attr_rows[row_nr]+']'); |
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t.deleteRow( attr_rows[row_nr] ); |
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|
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attr_rows[row_nr] = -1; |
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for (var i=(row_nr + 1); i < attr_rows.length; i++) { |
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attr_rows[i]--; |
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Logger.debug('moved '+i+' to '+attr_rows[i]); |
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} |
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submit_results_form(); |
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return false; |
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} |
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td.appendChild(el); |
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|
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return true; |
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}; |
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|
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/* update number of results for each database */ |
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|
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function update_results_stat( page_nr ) { |
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var el_name = 'results_page_' + page_nr; |
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var all_stats = new Array(); |
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var node_stat = new Array(); |
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|
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var s_el = $( el_name ); |
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|
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if ( s_el ) { |
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all_stats = s_el.value.split(/ /); |
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for (var i = 0; i < all_stats.length; i++) { |
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node_stat = all_stats[i].split(/\//); |
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var result_name = 'node_' + node_stat[0] + '_results'; |
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var u_el = $( result_name ); |
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if (u_el) { |
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Logger.debug("node "+node_stat[0]+" has "+node_stat[1]+" results"); |
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u_el.innerHTML = node_stat[1] + '/'; |
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if (node_stat[1] == 0) |
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Element.hide( 'node_'+node_stat[0] ); |
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else |
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Element.show( 'node_'+node_stat[0] ); |
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} else { |
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Logger.error("can't find " + result_name); |
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} |
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} |
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} else { |
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Logger.error("can't find element "+el_name); |
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} |
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} |
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|
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/* function which is called using DOM.Ready when html_results div is ready */ |
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|
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function results_ready( page_nr ) { |
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if (! page_nr) page_nr = get_page_nr(); |
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Logger.info("html_results ready, page "+page_nr); |
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update_results_stat( page_nr ); |
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var el = $( 'toggle_database_list' ); |
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if (el) { |
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el.onclick() |
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} else { |
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Logger.error("can't find toggle_database_list"); |
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} |
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} |
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