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dpavlin |
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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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load another template |
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*/ |
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function load_template(template_name) { |
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var old_template = $('template_name').value; |
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Logger.info('load_template: '+template_name+' (old: '+old_template+')'); |
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if (template_name == old_template) { |
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Logger.error('why reload same template?'); |
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return false; |
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} |
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$('template_name').value = template_name; |
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submit_results_form(); |
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return false; |
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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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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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var old_page = get_page_nr(); |
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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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Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')'); |
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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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$('page_nr').value = page_nr; |
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submit_results_form(); |
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return false; |
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} |
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function get_page_nr() { |
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var page_nr = parseInt( $('page_nr').value ) || 1; |
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return page_nr; |
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} |
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function reset_page_nr( nr ) { |
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if (! nr) nr = 1; |
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Logger.info('reset_page_nr to '+nr); |
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dpavlin |
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$('page_nr').value = nr; |
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dpavlin |
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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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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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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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/* toggle visibility and replace text with something else */ |
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function toggleLinkAndElement ( link, elementID, text ) { |
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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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Logger.debug('toggleLinkAndElement '+elementID+': '+Element.visible( elementID )+' text: '+text); |
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Element.toggle( elementID ); |
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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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return false; |
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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() { |
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var results_form = $('results_form'); |
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if (results_form) { |
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var form_params = Form.serialize( results_form ); |
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Logger.debug('Ajax.Updater(results,/results/ajax) '+form_params); |
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new Ajax.Updater( 'results', '/search/results/ajax', { |
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parameters: form_params, |
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asynchronous: 1, |
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onLoading: function(request) { |
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show_searching(); |
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}, |
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onLoaded: 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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helper functions for submit_results_form() |
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*/ |
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var search_active = 0; |
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function show_searching() { |
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Logger.debug('show_searching'); |
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Element.show('searching'); |
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// new Effect.Fade('results', { duration: 0.3 }); |
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search_active = 1; |
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return false; |
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} |
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function hide_searching() { |
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Logger.debug('hide_searching'); |
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Element.hide('searching'); |
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// new Effect.Highlight('results'); |
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// new Effect.Appear('results', { duration: 0.3 }); |
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search_active = 0; |
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return false; |
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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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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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var results_form = $('results_form'); |
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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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new Ajax.Updater( 'results', '/search/record'+args, { |
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asynchronous: 1, |
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onLoading: function(request) { |
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show_searching(); |
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}, |
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onLoaded: 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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/* click on checkbox */ |
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function checkbox_click() { |
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if (search_active) return false; |
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submit_results_form(); |
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Logger.debug('checkbox_click'); |
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return true; |
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} |
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dpavlin |
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/* helper function for [% search($display, $search, $delimiter) %] */ |
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function search_via_link(attr, val, template) { |
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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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new WebPAC.Updater( 'results', |
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'/search/results?'+attr+'='+val+'&_template='+template, { |
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asynchronous: 1, |
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onLoading: function(request) { |
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show_searching(); |
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}, |
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onLoaded: function(request) { |
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save_search(attr, val); |
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hide_searching(); |
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} |
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} |
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); |
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return false; |
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} |
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dpavlin |
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/* save search and add element for it in search form */ |
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dpavlin |
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dpavlin |
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var attr_rows = new Array(); |
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dpavlin |
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function save_search( attr, val ) { |
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dpavlin |
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Logger.info('save_search('+attr+','+val+')'); |
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dpavlin |
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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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dpavlin |
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return undef; |
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dpavlin |
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} |
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Logger.debug('reset results_form'); |
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Form.reset('results_form'); |
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dpavlin |
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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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dpavlin |
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dpavlin |
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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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var row_nr = attr_rows.length; |
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attr_rows[ row_nr ] = t_row_nr; |
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Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']'); |
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dpavlin |
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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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td = tr.insertCell(1); |
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td.setAttribute('align', 'left'); |
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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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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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dpavlin |
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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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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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dpavlin |
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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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return true; |
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}; |