value: "quick search..."
})
.addClass("nitdoc-qs-field-notused")
+ .keydown(function(event) {
+ return Nitdoc.QuickSearch.doKeyDownAction(event.keyCode);
+ })
.keyup(function(event) {
- Nitdoc.QuickSearch.doKeyAction(event.keyCode);
+ Nitdoc.QuickSearch.doKeyUpAction(event.keyCode);
})
.focusout(function() {
if($(this).val() == "") {
// Close quicksearch list on click
$(document).click(function(e) {
+ console.log(e);
Nitdoc.QuickSearch.closeResultsTable();
});
}
- // Respond to key event
- var doKeyAction = function(key) {
+ var doKeyDownAction = function(key) {
switch(key) {
case 38: // Up
selectPrevResult();
- break;
-
+ return false;
case 40: // Down
selectNextResult();
+ return false;
+ default:
+ return true;
+ }
+ }
+
+ var doKeyUpAction = function(key) {
+ switch(key) {
+ case 38: // Up
+ case 40: // Down
break;
case 13: // Enter
if(!query) {
return false;
}
- var results = rankResults(query);
- results.sort(resultsSort);
+ var results = getResults(query);
displayResultsTable(query, results);
break;
}
}
- // Rank raw list entries corresponding to query
- var rankResults = function(query) {
- var results = new Array();
+ // Get results corresponding to search query
+ var getResults = function(query) {
+ var results = {};
+ results.matches = new Array();
for(var entry in rawList) {
- for(var i in rawList[entry]) {
- var result = rawList[entry][i];
- result.entry = entry;
- result.distance = query.dice(entry);
- results[results.length] = result;
+ if(!entry.startsWith(query, true)) {
+ continue;
+ }
+ var cat = new Object();
+ cat.name = entry;
+ cat.entries = rawList[entry];
+ results.matches[results.matches.length] = cat;
+
+ if(entry == query) {
+ cat.rank = 3;
+ } else if(entry.toUpperCase() == query.toUpperCase()) {
+ cat.rank = 2;
+ } else {
+ cat.rank = 1 + query.dice(entry);
}
}
+ results.matches.sort(rankSorter);
+ results.partials = new Array();
+ if(results.matches.length == 0) {
+ for(var entry in rawList) {
+ var cat = new Object();
+ cat.name = entry;
+ cat.entries = rawList[entry];
+ cat.rank = query.dice(entry);
+ if(cat.rank > 0) {
+ results.partials[results.partials.length] = cat;
+ }
+ }
+ results.partials.sort(rankSorter);
+ }
return results;
}
- // Sort an array of results
- var resultsSort = function(a, b){
- if(a.distance < b.distance) {
+ // Sort an array of results by rank
+ var rankSorter = function(a, b){
+ if(a.rank < b.rank) {
return 1;
- } else if(a.distance > b.distance) {
+ } else if(a.rank > b.rank) {
return -1;
}
return 0;
// Build results table
currentIndex = -1;
currentTable = $(document.createElement("table"));
+ currentTable.attr("id", "nitdoc-qs-table");
+ currentTable.css("position", "absolute");
+ currentTable.width(searchField.outerWidth());
- for(var i in results) {
- if(i > 10) {
- break;
+ var maxSize = 10;
+ var count = 0;
+ var resultSet;
+ if(results.matches.length == 0) {
+ resultSet = results.partials
+ } else {
+ resultSet = results.matches
+ }
+ for(var i in resultSet) {
+ var cat = resultSet[i];
+ var result = cat.entries[0];
+
+ addResultRow(count, cat.name, result.txt, result.url, "nitdoc-qs-cat")
+ if(count >= maxSize) {
+ currentTable.find("tbody").children().last().hide();
}
- var result = results[i];
- currentTable.append(
+ count++;
+
+ for(var j = 1; j < cat.entries.length; j++) {
+ var result = cat.entries[j];
+ addResultRow(count, cat.name, result.txt, result.url, "nitdoc-qs-sub")
+ if(count >= maxSize) {
+ currentTable.find("tr.nitdoc-qs-row").last().hide();
+ }
+ count++;
+ }
+ }
+ if(count >= maxSize) {
+ currentTable.prepend(
$(document.createElement("tr"))
- .data("searchDetails", {name: result.entry, url: result.url})
- .data("index", i)
- .append($(document.createElement("td")).html(result.entry))
+ .addClass("nitdoc-qs-overflow-up")
+ .addClass("nitdoc-qs-overflow-inactive")
.append(
$(document.createElement("td"))
- .addClass("nitdoc-qs-info")
- .html(result.txt + " »")
+ .attr("colspan", 2)
+ .html("▲")
)
- .mouseover( function() {
- $(currentTable.find("tr")[currentIndex]).removeClass("nitdoc-qs-active");
- $(this).addClass("nitdoc-qs-active");
- currentIndex = $(this).data("index");
+ .click( function(e) {
+ e.stopPropagation();
+ selectPrevResult();
})
- .mouseout( function() {
- $(this).removeClass("nitdoc-qs-active");
- })
- .click( function() {
- window.location = $(this).data("searchDetails")["url"];
+ );
+ currentTable.append(
+ $(document.createElement("tr"))
+ .addClass("nitdoc-qs-overflow-down")
+ .addClass(count >= maxSize ? "nitdoc-qs-overflow-active" : "nitdoc-qs-overflow-inactive")
+ .append(
+ $(document.createElement("td"))
+ .attr("colspan", 2)
+ .html("▼")
+ )
+ .click( function(e) {
+ e.stopPropagation();
+ console.log("nest");
+ selectNextResult();
})
);
}
+ if(results.matches.length == 0) {
+ currentTable.prepend(
+ $("<tr class='nitdoc-qs-noresult'>")
+ .append(
+ $("<td colspan='2'>")
+ .html("Sorry, there is no match, best results are:")
+ )
+ );
+ }
+
+ // Initialize table
+ $("body").append(currentTable);
+ resizeResultsTable();
+ if(currentTable.find("tr").length > 0) {
+ setIndex(0);
+ }
+ }
+
+ // adds a result row to the current result table
+ var addResultRow = function(index, name, txt, url, cls) {
currentTable.append(
- $("<tr class='nitdoc-qs-overflow'>")
+ $(document.createElement("tr"))
+ .addClass("nitdoc-qs-row")
+ .data("searchDetails", {name: name, url: url})
+ .data("index", index)
+ .append(
+ $(document.createElement("td")).html(name)
+ .addClass(cls)
+ )
.append(
- $("<td colspan='2'>")
- .html("Best results for '" + query + "'")
+ $(document.createElement("td"))
+ .addClass("nitdoc-qs-info")
+ .html(txt + " »")
)
+ .mouseover( function() {
+ setIndex($(this).data("index"));
+ })
+ .mouseout( function() {
+ $(this).removeClass("nitdoc-qs-active");
+ })
+ .click( function() {
+ window.location = $(this).data("searchDetails")["url"];
+ })
);
+ }
- // Initialize table properties
- currentTable.attr("id", "nitdoc-qs-table");
- currentTable.css("position", "absolute");
- currentTable.width(searchField.outerWidth());
- $("body").append(currentTable);
- currentTable.offset({left: searchField.offset().left + (searchField.outerWidth() - currentTable.outerWidth()), top: searchField.offset().top + searchField.outerHeight()});
- // Preselect first entry
- if(currentTable.find("tr").length > 0) {
- currentIndex = 0;
- $(currentTable.find("tr")[currentIndex]).addClass("nitdoc-qs-active");
- searchField.focus();
- }
+ // adapts result table to content
+ var resizeResultsTable = function() {
+ currentTable.offset({
+ left: searchField.offset().left + (searchField.outerWidth() - currentTable.outerWidth()),
+ top: searchField.offset().top + searchField.outerHeight()
+ });
+ }
+
+ // select row at index
+ var setIndex = function(index) {
+ $(currentTable.find("tr.nitdoc-qs-row")[currentIndex]).removeClass("nitdoc-qs-active");
+ currentIndex = index;
+ var currentRow = $(currentTable.find("tr.nitdoc-qs-row")[currentIndex]);
+ currentRow.addClass("nitdoc-qs-active");
+ //searchField.val(currentRow.data("searchDetails").name);
+ }
+
+ var hasPrev = function(index) {
+ return index - 1 >= 0;
+ }
+
+ var hasNext = function(index) {
+ return index + 1 < currentTable.find("tr.nitdoc-qs-row").length;
}
- // Select the previous result on current table
var selectPrevResult = function() {
- // If already on first result, focus search input
- if(currentIndex == 0) {
- searchField.val($(currentTable.find("tr")[currentIndex]).data("searchDetails").name);
- searchField.focus();
- // Else select previous result
- } else if(currentIndex > 0) {
- $(currentTable.find("tr")[currentIndex]).removeClass("nitdoc-qs-active");
- currentIndex--;
- $(currentTable.find("tr")[currentIndex]).addClass("nitdoc-qs-active");
- searchField.val($(currentTable.find("tr")[currentIndex]).data("searchDetails").name);
- searchField.focus();
+ if(hasPrev(currentIndex)) {
+ setIndex(currentIndex - 1);
+ if(!$(currentTable.find("tr.nitdoc-qs-row")[currentIndex]).is(":visible")) {
+ currentTable.find("tr.nitdoc-qs-row:visible").last().hide();
+ currentTable.find("tr.nitdoc-qs-overflow-down").addClass("nitdoc-qs-overflow-active");
+ $(currentTable.find("tr.nitdoc-qs-row")[currentIndex]).show();
+ if(!hasPrev(currentIndex)) {
+ currentTable.find("tr.nitdoc-qs-overflow-up").removeClass("nitdoc-qs-overflow-active");
+ }
+ resizeResultsTable();
+ }
}
}
- // Select the next result on current table
var selectNextResult = function() {
- if(currentIndex < currentTable.find("tr").length - 1) {
- if($(currentTable.find("tr")[currentIndex + 1]).hasClass("nitdoc-qs-overflow")) {
- return;
+ if(hasNext(currentIndex)) {
+ setIndex(currentIndex + 1);
+ if(!$(currentTable.find("tr.nitdoc-qs-row")[currentIndex]).is(":visible")) {
+ currentTable.find("tr.nitdoc-qs-row:visible").first().hide();
+ currentTable.find("tr.nitdoc-qs-overflow-up").addClass("nitdoc-qs-overflow-active");
+ $(currentTable.find("tr.nitdoc-qs-row")[currentIndex]).show();
+ if(!hasNext(currentIndex)) {
+ currentTable.find("tr.nitdoc-qs-overflow-down").removeClass("nitdoc-qs-overflow-active");
+ }
+ resizeResultsTable();
}
- $(currentTable.find("tr")[currentIndex]).removeClass("nitdoc-qs-active");
- currentIndex++;
- $(currentTable.find("tr")[currentIndex]).addClass("nitdoc-qs-active");
- searchField.val($(currentTable.find("tr")[currentIndex]).data("searchDetails").name);
- searchField.focus();
}
}
// Load selected search result page
var goToResult = function() {
if(currentIndex > -1) {
- window.location = $(currentTable.find("tr")[currentIndex]).data("searchDetails").url;
+ window.location = $(currentTable.find("tr.nitdoc-qs-row")[currentIndex]).data("searchDetails").url;
return;
}
// Public interface
var quicksearch = {
enableQuickSearch: enableQuickSearch,
- doKeyAction: doKeyAction,
+ doKeyUpAction: doKeyUpAction,
+ doKeyDownAction: doKeyDownAction,
closeResultsTable: closeResultsTable
};
* Utils
*/
-// Calculate levenshtein distance beetween two strings
-// see: http://en.wikipedia.org/wiki/Levenshtein_distance
-String.prototype.levenshtein = function(other) {
- var matrix = new Array();
-
- for(var i = 0; i <= this.length; i++) {
- matrix[i] = new Array();
- matrix[i][0] = i;
+String.prototype.startsWith = function(prefix, caseSensitive) {
+ if(caseSensitive) {
+ return this.toUpperCase().indexOf(prefix.toUpperCase()) === 0;
}
- for(var j = 0; j <= other.length; j++) {
- matrix[0][j] = j;
- }
- var cost = 0;
- for(var i = 1; i <= this.length; i++) {
- for(var j = 1; j <= other.length; j++) {
- if(this.charAt(i - 1) == other.charAt(j - 1)) {
- cost = 0;
- } else if(this.charAt(i - 1).toLowerCase() == other.charAt(j - 1).toLowerCase()) {
- cost = 0.5;
- } else {
- cost = 1;
- }
- matrix[i][j] = Math.min(
- matrix[i - 1][j] + 1, // deletion
- matrix[i][j - 1] + 1, // insertion
- matrix[i - 1][j - 1] + cost // substitution
- );
- }
- }
- return matrix[this.length][other.length]
+ return this.indexOf(prefix) === 0;
}
// Compare two strings using Sorensen-Dice Coefficient
var bigram1 = this.substr(i, 2);
for(var j = 0; j < length2; j++) {
if(bigram1 == bigrams2[j]) {
- intersection += 2;
- bigrams2[j] = null;
- break;
- } else if (bigram1 && bigrams2[j] && bigram1.toLowerCase() == bigrams2[j].toLowerCase()) {
- intersection += 1;
+ intersection++;
bigrams2[j] = null;
break;
}
nitlanguage / nit.git / commitdiff