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put exact binding matches first in results

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svn: r10039
This commit is contained in:
Eli Barzilay 2008-05-30 15:14:32 +00:00
parent fb665f2012
commit f8f3ec3b90
1 changed files with 39 additions and 24 deletions
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63
collects/scribblings/main/private/make-search.ss
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@ -179,9 +179,8 @@
+'</table>'; +'</table>';
// get the query box // get the query box
query = document.getElementById("search_box"); query = document.getElementById("search_box");
// status should point to the text object // status line
status = document.getElementById("search_status"); status = document.getElementById("search_status");
if (status.childNodes.length == 1) status = status.firstChild;
// result_links is the array of result link <container,link> pairs // result_links is the array of result link <container,link> pairs
result_links = new Array(); result_links = new Array();
n = document.getElementById("search_result"); n = document.getElementById("search_result");
@ -217,36 +216,44 @@
} }
} }
var last_search_term_raw, last_search_terms; var last_search_term, last_search_term_raw;
var search_results, first_search_result; var search_results, first_search_result, exact_results_num;
function DoSearch() { function DoSearch() {
var terms = query.value; var term = query.value;
if (terms == last_search_term_raw) return; if (term == last_search_term_raw) return;
last_search_term_raw = terms; last_search_term_raw = term;
terms= terms.toLowerCase() term = term.toLowerCase()
.replace(/\s\s*/g," ") // single spaces .replace(/\s\s*/g," ") // single spaces
.replace(/^\s/g,"").replace(/\s$/g,""); // trim edge spaces .replace(/^\s/g,"").replace(/\s$/g,""); // trim edge spaces
if (terms == last_search_terms) return; if (term == last_search_term) return;
last_search_terms = terms; last_search_term = term;
status.nodeValue = "Searching " + plt_search_data.length + " entries"; status.innerHTML = "Searching " + plt_search_data.length + " entries";
terms = (terms=="") ? [] : terms.split(/ /); var terms = (term=="") ? [] : term.split(/ /);
if (terms.length == 0) { if (terms.length == 0) {
search_results = plt_search_data; search_results = plt_search_data;
} else { } else {
search_results = new Array(); search_results = new Array();
exact_results = new Array();
for (var i=0@";" i<plt_search_data.length@";" i++) { for (var i=0@";" i<plt_search_data.length@";" i++) {
var show = true, curtext = plt_search_data[i][0]; var show = true, curtext = plt_search_data[i][0];
for (var j=0@";" j<terms.length@";" j++) { if (plt_search_data[i][3] && (term == curtext)) {
if (curtext.indexOf(terms[j]) < 0) { exact_results.push(plt_search_data[i]);
show = false; } else {
break; for (var j=0@";" j<terms.length@";" j++) {
if (curtext.indexOf(terms[j]) < 0) {
show = false;
break;
}
} }
if (show) search_results.push(plt_search_data[i]);
} }
if (show) search_results.push(plt_search_data[i]);
} }
exact_results_num = exact_results.length;
while (exact_results.length > 0)
search_results.unshift(exact_results.pop());
} }
first_search_result = 0; first_search_result = 0;
status.nodeValue = "" + search_results.length + " entries found"; status.innerHTML = "" + search_results.length + " entries found";
query.style.backgroundColor = query.style.backgroundColor =
(search_results.length == 0) ? "#ffe0e0" : "white"; (search_results.length == 0) ? "#ffe0e0" : "white";
UpdateResults(); UpdateResults();
@ -292,22 +299,30 @@
'<a href="' '<a href="'
+ UncompactUrl(search_results[n][1]) + '" class="indexlink">' + UncompactUrl(search_results[n][1]) + '" class="indexlink">'
+ UncompactHtml(search_results[n][2]) + '</a>' + desc; + UncompactHtml(search_results[n][2]) + '</a>' + desc;
result_links[i].style.backgroundColor =
(i < exact_results_num) ? "#ffffc0" : "white";
result_links[i].style.display = "block"; result_links[i].style.display = "block";
} else { } else {
result_links[i].style.display = "none"; result_links[i].style.display = "none";
} }
} }
if (search_results.length == 0) if (search_results.length == 0)
status.nodeValue = "No matches found"; status.innerHTML = "No matches found";
else if (search_results.length <= results_num) else if (search_results.length <= results_num)
status.nodeValue = "Showing all " + search_results.length + " matches"; status.innerHTML = "Showing all matches";
else else
status.nodeValue = status.innerHTML =
"Showing " "Showing "
+ (first_search_result+1) + "-" + (first_search_result+1) + "-"
+ Math.min(first_search_result+results_num,search_results.length) + Math.min(first_search_result+results_num,search_results.length)
+ " of " + search_results.length + " of " + search_results.length
+ ((search_results.length==plt_search_data.length) ? "" : " matches"); + ((search_results.length==plt_search_data.length) ? "" : " matches");
if (exact_results_num > 0)
status.innerHTML +=
" (<span style=\"background-color: #ffffc0;\">"
+ ((exact_results_num == search_results.length)
? "all" : exact_results_num)
+ " exact</span>)";
} }
var search_timer = null; var search_timer = null;
@ -342,7 +357,7 @@
} }
return false; return false;
} }
search_timer = setTimeout(DoSearch, 400); search_timer = setTimeout(DoSearch, 300);
return true; return true;
} }