* by Robert Stojnic (April 2008)
*/
+// Make sure wgMWSuggestTemplate is defined
+if ( !mw.config.exists( 'wgMWSuggestTemplate' ) ) {
+ mw.config.set( 'wgMWSuggestTemplate', mw.config.get( 'wgServer' ) + mw.config.get( 'wgScriptPath' )
+ + "/api.php?action=opensearch\x26search={searchTerms}\x26namespace={namespaces}\x26suggest" );
+}
+
// search_box_id -> Results object
-var os_map = {};
+window.os_map = {};
// cached data, url -> json_text
-var os_cache = {};
+window.os_cache = {};
// global variables for suggest_keypress
-var os_cur_keypressed = 0;
-var os_keypressed_count = 0;
+window.os_cur_keypressed = 0;
+window.os_keypressed_count = 0;
// type: Timer
-var os_timer = null;
+window.os_timer = null;
// tie mousedown/up events
-var os_mouse_pressed = false;
-var os_mouse_num = -1;
+window.os_mouse_pressed = false;
+window.os_mouse_num = -1;
// if true, the last change was made by mouse (and not keyboard)
-var os_mouse_moved = false;
+window.os_mouse_moved = false;
// delay between keypress and suggestion (in ms)
-var os_search_timeout = 250;
+window.os_search_timeout = 250;
// these pairs of inputs/forms will be autoloaded at startup
-var os_autoload_inputs = new Array('searchInput', 'searchInput2', 'powerSearchText', 'searchText');
-var os_autoload_forms = new Array('searchform', 'searchform2', 'powersearch', 'search' );
+window.os_autoload_inputs = new Array('searchInput', 'searchInput2', 'powerSearchText', 'searchText');
+window.os_autoload_forms = new Array('searchform', 'searchform2', 'powersearch', 'search' );
// if we stopped the service
-var os_is_stopped = false;
+window.os_is_stopped = false;
// max lines to show in suggest table
-var os_max_lines_per_suggest = 7;
+window.os_max_lines_per_suggest = 7;
// number of steps to animate expansion/contraction of container width
-var os_animation_steps = 6;
+window.os_animation_steps = 6;
// num of pixels of smallest step
-var os_animation_min_step = 2;
+window.os_animation_min_step = 2;
// delay between steps (in ms)
-var os_animation_delay = 30;
+window.os_animation_delay = 30;
// max width of container in percent of normal size (1 == 100%)
-var os_container_max_width = 2;
+window.os_container_max_width = 2;
// currently active animation timer
-var os_animation_timer = null;
+window.os_animation_timer = null;
+// whether MWSuggest is enabled. Set to false when os_MWSuggestDisable() is called
+window.os_enabled = true;
+
+/**
+ * <datalist> is a new HTML5 element that allows you to manually supply
+ * suggestion lists and have them rendered according to the right platform
+ * conventions. Opera as of version 11 has a fatal problem: the suggestion
+ * lags behind what the user types by one keypress. (Reported as DSK-276870 to
+ * Opera's secret bug tracker.) However, Firefox 4 supports it without
+ * problems, so Opera is just blacklisted here. Ideally we wouldn't blacklist
+ * future versions, in case they fix it, but the fallback isn't bad at all and
+ * the failure if they don't fix it is very annoying, so in this case we'll
+ * blacklist future versions too.
+ */
+window.os_use_datalist = 'list' in document.createElement( 'input' )
+ && $.client.profile().name != 'opera';
/** Timeout timer class that will fetch the results */
-function os_Timer(id,r,query){
+window.os_Timer = function( id, r, query ) {
this.id = id;
this.r = r;
this.query = query;
-}
-
-/** Timer user to animate expansion/contraction of container width */
-function os_AnimationTimer(r, target){
- this.r = r;
- var current = document.getElementById(r.container).offsetWidth;
- this.inc = Math.round((target-current) / os_animation_steps);
- if(this.inc < os_animation_min_step && this.inc >=0)
- this.inc = os_animation_min_step; // minimal animation step
- if(this.inc > -os_animation_min_step && this.inc <0)
- this.inc = -os_animation_min_step;
- this.target = target;
-}
+};
/** Property class for single search box */
-function os_Results(name, formname){
+window.os_Results = function( name, formname ) {
this.searchform = formname; // id of the searchform
this.searchbox = name; // id of the searchbox
- this.container = name+"Suggest"; // div that holds results
- this.resultTable = name+"Result"; // id base for the result table (+num = table row)
- this.resultText = name+"ResultText"; // id base for the spans within result tables (+num)
- this.toggle = name+"Toggle"; // div that has the toggle (enable/disable) link
+ this.container = name + 'Suggest'; // div that holds results
+ this.resultTable = name + 'Result'; // id base for the result table (+num = table row)
+ this.resultText = name + 'ResultText'; // id base for the spans within result tables (+num)
+ this.toggle = name + 'Toggle'; // div that has the toggle (enable/disable) link
this.query = null; // last processed query
this.results = null; // parsed titles
this.resultCount = 0; // number of results
this.containerTotal = 0; // total height of the container will all results
this.visible = false; // if container is visible
this.stayHidden = false; // don't try to show if lost focus
+};
+
+/** Timer user to animate expansion/contraction of container width */
+window.os_AnimationTimer = function( r, target ) {
+ this.r = r;
+ var current = document.getElementById(r.container).offsetWidth;
+ this.inc = Math.round( ( target - current ) / os_animation_steps );
+ if( this.inc < os_animation_min_step && this.inc >=0 ) {
+ this.inc = os_animation_min_step; // minimal animation step
+ }
+ if( this.inc > -os_animation_min_step && this.inc < 0 ) {
+ this.inc = -os_animation_min_step;
+ }
+ this.target = target;
+};
+
+/******************
+ * Initialization
+ ******************/
+
+/** Initialization, call upon page onload */
+window.os_MWSuggestInit = function() {
+ if ( !window.os_enabled ) {
+ return;
+ }
+
+ for( var i = 0; i < os_autoload_inputs.length; i++ ) {
+ var id = os_autoload_inputs[i];
+ var form = os_autoload_forms[i];
+ element = document.getElementById( id );
+ if( element != null ) {
+ os_initHandlers( id, form, element );
+ }
+ }
+};
+
+/* Teardown, called when things like SimpleSearch need to disable MWSuggest */
+window.os_MWSuggestTeardown = function() {
+ for( var i = 0; i < os_autoload_inputs.length; i++ ) {
+ var id = os_autoload_inputs[i];
+ var form = os_autoload_forms[i];
+ element = document.getElementById( id );
+ if( element != null ) {
+ os_teardownHandlers( id, form, element );
+ }
+ }
+};
+
+/* Call this to disable MWSuggest. Works regardless of whether MWSuggest has been initialized already. */
+window.os_MWSuggestDisable = function() {
+ window.os_MWSuggestTeardown();
+ window.os_enabled = false;
}
+
+
+/** Init Result objects and event handlers */
+window.os_initHandlers = function( name, formname, element ) {
+ var r = new os_Results( name, formname );
+ var formElement = document.getElementById( formname );
+ if( !formElement ) {
+ // Older browsers (Opera 8) cannot get form elements
+ return;
+ }
+ // event handler
+ os_hookEvent( element, 'keyup', os_eventKeyup );
+ os_hookEvent( element, 'keydown', os_eventKeydown );
+ os_hookEvent( element, 'keypress', os_eventKeypress );
+ if ( !os_use_datalist ) {
+ // These are needed for the div hack to hide it if the user blurs.
+ os_hookEvent( element, 'blur', os_eventBlur );
+ os_hookEvent( element, 'focus', os_eventFocus );
+ // We don't want browser auto-suggestions interfering with our div, but
+ // autocomplete must be on for datalist to work (at least in Opera
+ // 10.10).
+ element.setAttribute( 'autocomplete', 'off' );
+ }
+ // stopping handler
+ os_hookEvent( formElement, 'submit', os_eventOnsubmit );
+ os_map[name] = r;
+ // toggle link
+ if( document.getElementById( r.toggle ) == null ) {
+ // TODO: disable this while we figure out a way for this to work in all browsers
+ /* if( name == 'searchInput' ) {
+ // special case: place above the main search box
+ var t = os_createToggle( r, 'os-suggest-toggle' );
+ var searchBody = document.getElementById( 'searchBody' );
+ var first = searchBody.parentNode.firstChild.nextSibling.appendChild(t);
+ } else {
+ // default: place below search box to the right
+ var t = os_createToggle( r, 'os-suggest-toggle-def' );
+ var top = element.offsetTop + element.offsetHeight;
+ var left = element.offsetLeft + element.offsetWidth;
+ t.style.position = 'absolute';
+ t.style.top = top + 'px';
+ t.style.left = left + 'px';
+ element.parentNode.appendChild( t );
+ // only now width gets calculated, shift right
+ left -= t.offsetWidth;
+ t.style.left = left + 'px';
+ t.style.visibility = 'visible';
+ } */
+ }
+
+};
+
+window.os_teardownHandlers = function( name, formname, element ) {
+ var formElement = document.getElementById( formname );
+ if( !formElement ) {
+ // Older browsers (Opera 8) cannot get form elements
+ return;
+ }
+
+ os_unhookEvent( element, 'keyup', os_eventKeyup );
+ os_unhookEvent( element, 'keydown', os_eventKeydown );
+ os_unhookEvent( element, 'keypress', os_eventKeypress );
+ if ( !os_use_datalist ) {
+ // These are needed for the div hack to hide it if the user blurs.
+ os_unhookEvent( element, 'blur', os_eventBlur );
+ os_unhookEvent( element, 'focus', os_eventFocus );
+ // We don't want browser auto-suggestions interfering with our div, but
+ // autocomplete must be on for datalist to work (at least in Opera
+ // 10.10).
+ element.removeAttribute( 'autocomplete' );
+ }
+ // stopping handler
+ os_unhookEvent( formElement, 'submit', os_eventOnsubmit );
+};
+
+
+window.os_hookEvent = function( element, hookName, hookFunct ) {
+ if ( element.addEventListener ) {
+ element.addEventListener( hookName, hookFunct, false );
+ } else if ( window.attachEvent ) {
+ element.attachEvent( 'on' + hookName, hookFunct );
+ }
+};
+
+window.os_unhookEvent = function( element, hookName, hookFunct ) {
+ if ( element.removeEventListener ) {
+ element.removeEventListener( hookName, hookFunct, false );
+ } else if ( element.detachEvent ) {
+ element.detachEvent( 'on' + hookName, hookFunct );
+ }
+}
+
+/********************
+ * Keyboard events
+ ********************/
+
+/** Event handler that will fetch results on keyup */
+window.os_eventKeyup = function( e ) {
+ var targ = os_getTarget( e );
+ var r = os_map[targ.id];
+ if( r == null ) {
+ return; // not our event
+ }
+
+ // some browsers won't generate keypressed for arrow keys, catch it
+ if( os_keypressed_count == 0 ) {
+ os_processKey( r, os_cur_keypressed, targ );
+ }
+ var query = targ.value;
+ os_fetchResults( r, query, os_search_timeout );
+};
+
+/** catch arrows up/down and escape to hide the suggestions */
+window.os_processKey = function( r, keypressed, targ ) {
+ if ( keypressed == 40 && !r.visible && os_timer == null ) {
+ // If the user hits the down arrow, fetch results immediately if none
+ // are already displayed.
+ r.query = '';
+ os_fetchResults( r, targ.value, 0 );
+ }
+ // Otherwise, if we're not using datalist, we need to handle scrolling and
+ // so on.
+ if ( os_use_datalist ) {
+ return;
+ }
+ if ( keypressed == 40 ) { // Arrow Down
+ if ( r.visible ) {
+ os_changeHighlight( r, r.selected, r.selected + 1, true );
+ }
+ } else if ( keypressed == 38 ) { // Arrow Up
+ if ( r.visible ) {
+ os_changeHighlight( r, r.selected, r.selected - 1, true );
+ }
+ } else if( keypressed == 27 ) { // Escape
+ document.getElementById( r.searchbox ).value = r.original;
+ r.query = r.original;
+ os_hideResults( r );
+ } else if( r.query != document.getElementById( r.searchbox ).value ) {
+ // os_hideResults( r ); // don't show old suggestions
+ }
+};
+
+/** When keys is held down use a timer to output regular events */
+window.os_eventKeypress = function( e ) {
+ var targ = os_getTarget( e );
+ var r = os_map[targ.id];
+ if( r == null ) {
+ return; // not our event
+ }
+
+ var keypressed = os_cur_keypressed;
+
+ os_keypressed_count++;
+ os_processKey( r, keypressed, targ );
+};
+
+/** Catch the key code (Firefox bug) */
+window.os_eventKeydown = function( e ) {
+ if ( !e ) {
+ e = window.event;
+ }
+ var targ = os_getTarget( e );
+ var r = os_map[targ.id];
+ if( r == null ) {
+ return; // not our event
+ }
+
+ os_mouse_moved = false;
+
+ os_cur_keypressed = ( e.keyCode == undefined ) ? e.which : e.keyCode;
+ os_keypressed_count = 0;
+};
+
+
+/** When the form is submitted hide everything, cancel updates... */
+window.os_eventOnsubmit = function( e ) {
+ var targ = os_getTarget( e );
+
+ os_is_stopped = true;
+ // kill timed requests
+ if( os_timer != null && os_timer.id != null ) {
+ clearTimeout( os_timer.id );
+ os_timer = null;
+ }
+ // Hide all suggestions
+ for( i = 0; i < os_autoload_inputs.length; i++ ) {
+ var r = os_map[os_autoload_inputs[i]];
+ if( r != null ) {
+ var b = document.getElementById( r.searchform );
+ if( b != null && b == targ ) {
+ // set query value so the handler won't try to fetch additional results
+ r.query = document.getElementById( r.searchbox ).value;
+ }
+ os_hideResults( r );
+ }
+ }
+ return true;
+};
+
-/** Hide results div */
-function os_hideResults(r){
- var c = document.getElementById(r.container);
- if(c != null)
- c.style.visibility = "hidden";
+
+/** Hide results from the user, either making the div visibility=hidden or
+ * detaching the datalist from the input. */
+window.os_hideResults = function( r ) {
+ if ( os_use_datalist ) {
+ document.getElementById( r.searchbox ).setAttribute( 'list', '' );
+ } else {
+ var c = document.getElementById( r.container );
+ if ( c != null ) {
+ c.style.visibility = 'hidden';
+ }
+ }
r.visible = false;
r.selected = -1;
-}
+};
+
+window.os_decodeValue = function( value ) {
+ if ( decodeURIComponent ) {
+ return decodeURIComponent( value );
+ }
+ if( unescape ) {
+ return unescape( value );
+ }
+ return null;
+};
+
+window.os_encodeQuery = function( value ) {
+ if ( encodeURIComponent ) {
+ return encodeURIComponent( value );
+ }
+ if( escape ) {
+ return escape( value );
+ }
+ return null;
+};
+
+/** Handles data from XMLHttpRequest, and updates the suggest results */
+window.os_updateResults = function( r, query, text, cacheKey ) {
+ os_cache[cacheKey] = text;
+ r.query = query;
+ r.original = query;
+ if( text == '' ) {
+ r.results = null;
+ r.resultCount = 0;
+ os_hideResults( r );
+ } else {
+ try {
+ var p = eval( '(' + text + ')' ); // simple json parse, could do a safer one
+ if( p.length < 2 || p[1].length == 0 ) {
+ r.results = null;
+ r.resultCount = 0;
+ os_hideResults( r );
+ return;
+ }
+ if ( os_use_datalist ) {
+ os_setupDatalist( r, p[1] );
+ } else {
+ os_setupDiv( r, p[1] );
+ }
+ } catch( e ) {
+ // bad response from server or such
+ os_hideResults( r );
+ os_cache[cacheKey] = null;
+ }
+ }
+};
+
+/**
+ * Create and populate a <datalist>.
+ *
+ * @param r os_Result object
+ * @param results Array of the new results to replace existing ones
+ */
+window.os_setupDatalist = function( r, results ) {
+ var s = document.getElementById( r.searchbox );
+ var c = document.getElementById( r.container );
+ if ( c == null ) {
+ c = document.createElement( 'datalist' );
+ c.setAttribute( 'id', r.container );
+ document.body.appendChild( c );
+ } else {
+ c.innerHTML = '';
+ }
+ s.setAttribute( 'list', r.container );
+
+ r.results = new Array();
+ r.resultCount = results.length;
+ r.visible = true;
+ for ( i = 0; i < results.length; i++ ) {
+ var title = os_decodeValue( results[i] );
+ var opt = document.createElement( 'option' );
+ opt.value = title;
+ r.results[i] = title;
+ c.appendChild( opt );
+ }
+};
+
+/** Fetch namespaces from checkboxes or hidden fields in the search form,
+ if none defined use wgSearchNamespaces global */
+window.os_getNamespaces = function( r ) {
+ var namespaces = '';
+ var elements = document.forms[r.searchform].elements;
+ for( i = 0; i < elements.length; i++ ) {
+ var name = elements[i].name;
+ if( typeof name != 'undefined' && name.length > 2 && name[0] == 'n' &&
+ name[1] == 's' && (
+ ( elements[i].type == 'checkbox' && elements[i].checked ) ||
+ ( elements[i].type == 'hidden' && elements[i].value == '1' )
+ )
+ ) {
+ if( namespaces != '' ) {
+ namespaces += '|';
+ }
+ namespaces += name.substring( 2 );
+ }
+ }
+ if( namespaces == '' ) {
+ namespaces = wgSearchNamespaces.join('|');
+ }
+ return namespaces;
+};
+
+/** Update results if user hasn't already typed something else */
+window.os_updateIfRelevant = function( r, query, text, cacheKey ) {
+ var t = document.getElementById( r.searchbox );
+ if( t != null && t.value == query ) { // check if response is still relevant
+ os_updateResults( r, query, text, cacheKey );
+ }
+ r.query = query;
+};
+
+/** Fetch results after some timeout */
+window.os_delayedFetch = function() {
+ if( os_timer == null ) {
+ return;
+ }
+ var r = os_timer.r;
+ var query = os_timer.query;
+ os_timer = null;
+ var path = mw.config.get( 'wgMWSuggestTemplate' ).replace( "{namespaces}", os_getNamespaces( r ) )
+ .replace( "{dbname}", wgDBname )
+ .replace( "{searchTerms}", os_encodeQuery( query ) );
+
+ // try to get from cache, if not fetch using ajax
+ var cached = os_cache[path];
+ if( cached != null && cached != undefined ) {
+ os_updateIfRelevant( r, query, cached, path );
+ } else {
+ var xmlhttp = sajax_init_object();
+ if( xmlhttp ) {
+ try {
+ xmlhttp.open( 'GET', path, true );
+ xmlhttp.onreadystatechange = function() {
+ if ( xmlhttp.readyState == 4 && typeof os_updateIfRelevant == 'function' ) {
+ os_updateIfRelevant( r, query, xmlhttp.responseText, path );
+ }
+ };
+ xmlhttp.send( null );
+ } catch ( e ) {
+ if ( window.location.hostname == 'localhost' ) {
+ alert( "Your browser blocks XMLHttpRequest to 'localhost', try using a real hostname for development/testing." );
+ }
+ throw e;
+ }
+ }
+ }
+};
+
+/** Init timed update via os_delayedUpdate() */
+window.os_fetchResults = function( r, query, timeout ) {
+ if( query == '' ) {
+ r.query = '';
+ os_hideResults( r );
+ return;
+ } else if( query == r.query ) {
+ return; // no change
+ }
+
+ os_is_stopped = false; // make sure we're running
+
+ // cancel any pending fetches
+ if( os_timer != null && os_timer.id != null ) {
+ clearTimeout( os_timer.id );
+ }
+ // schedule delayed fetching of results
+ if( timeout != 0 ) {
+ os_timer = new os_Timer( setTimeout( "os_delayedFetch()", timeout ), r, query );
+ } else {
+ os_timer = new os_Timer( null, r, query );
+ os_delayedFetch(); // do it now!
+ }
+};
+
+/** Find event target */
+window.os_getTarget = function( e ) {
+ if ( !e ) {
+ e = window.event;
+ }
+ if ( e.target ) {
+ return e.target;
+ } else if ( e.srcElement ) {
+ return e.srcElement;
+ } else {
+ return null;
+ }
+};
+
+/** Check if x is a valid integer */
+window.os_isNumber = function( x ) {
+ if( x == '' || isNaN( x ) ) {
+ return false;
+ }
+ for( var i = 0; i < x.length; i++ ) {
+ var c = x.charAt( i );
+ if( !( c >= '0' && c <= '9' ) ) {
+ return false;
+ }
+ }
+ return true;
+};
+
+/** Call this to enable suggestions on input (id=inputId), on a form (name=formName) */
+window.os_enableSuggestionsOn = function( inputId, formName ) {
+ os_initHandlers( inputId, formName, document.getElementById( inputId ) );
+};
+
+/** Call this to disable suggestios on input box (id=inputId) */
+window.os_disableSuggestionsOn = function( inputId ) {
+ r = os_map[inputId];
+ if( r != null ) {
+ // cancel/hide results
+ os_timer = null;
+ os_hideResults( r );
+ // turn autocomplete on !
+ document.getElementById( inputId ).setAttribute( 'autocomplete', 'on' );
+ // remove descriptor
+ os_map[inputId] = null;
+ }
+
+ // Remove the element from the os_autoload_* arrays
+ var index = os_autoload_inputs.indexOf( inputId );
+ if ( index >= 0 ) {
+ os_autoload_inputs[index] = os_autoload_forms[index] = '';
+ }
+};
+
+/************************************************
+ * Div-only functions (irrelevant for datalist)
+ ************************************************/
+
+/** Event: loss of focus of input box */
+window.os_eventBlur = function( e ) {
+ var targ = os_getTarget( e );
+ var r = os_map[targ.id];
+ if( r == null ) {
+ return; // not our event
+ }
+ if( !os_mouse_pressed ) {
+ os_hideResults( r );
+ // force canvas to stay hidden
+ r.stayHidden = true;
+ // cancel any pending fetches
+ if( os_timer != null && os_timer.id != null ) {
+ clearTimeout( os_timer.id );
+ }
+ os_timer = null;
+ }
+};
+
+/** Event: focus (catch only when stopped) */
+window.os_eventFocus = function( e ) {
+ var targ = os_getTarget( e );
+ var r = os_map[targ.id];
+ if( r == null ) {
+ return; // not our event
+ }
+ r.stayHidden = false;
+};
+
+/**
+ * Create and populate a <div>, for non-<datalist>-supporting browsers.
+ *
+ * @param r os_Result object
+ * @param results Array of the new results to replace existing ones
+ */
+window.os_setupDiv = function( r, results ) {
+ var c = document.getElementById( r.container );
+ if ( c == null ) {
+ c = os_createContainer( r );
+ }
+ c.innerHTML = os_createResultTable( r, results );
+ // init container table sizes
+ var t = document.getElementById( r.resultTable );
+ r.containerTotal = t.offsetHeight;
+ r.containerRow = t.offsetHeight / r.resultCount;
+ os_fitContainer( r );
+ os_trimResultText( r );
+ os_showResults( r );
+};
+
+/** Create the result table to be placed in the container div */
+window.os_createResultTable = function( r, results ) {
+ var c = document.getElementById( r.container );
+ var width = c.offsetWidth - os_operaWidthFix( c.offsetWidth );
+ var html = '<table class="os-suggest-results" id="' + r.resultTable + '" style="width: ' + width + 'px;">';
+ r.results = new Array();
+ r.resultCount = results.length;
+ for( i = 0; i < results.length; i++ ) {
+ var title = os_decodeValue( results[i] );
+ r.results[i] = title;
+ html += '<tr><td class="os-suggest-result" id="' + r.resultTable + i + '"><span id="' + r.resultText + i + '">' + title + '</span></td></tr>';
+ }
+ html += '</table>';
+ return html;
+};
/** Show results div */
-function os_showResults(r){
- if(os_is_stopped)
+window.os_showResults = function( r ) {
+ if( os_is_stopped ) {
return;
- if(r.stayHidden)
- return
- os_fitContainer(r);
- var c = document.getElementById(r.container);
+ }
+ if( r.stayHidden ) {
+ return;
+ }
+ os_fitContainer( r );
+ var c = document.getElementById( r.container );
r.selected = -1;
- if(c != null){
+ if( c != null ) {
c.scrollTop = 0;
- c.style.visibility = "visible";
+ c.style.visibility = 'visible';
r.visible = true;
}
-}
+};
-function os_operaWidthFix(x){
+window.os_operaWidthFix = function( x ) {
// For browsers that don't understand overflow-x, estimate scrollbar width
- if(typeof document.body.style.overflowX != "string"){
+ if( typeof document.body.style.overflowX != 'string' ) {
return 30;
}
return 0;
-}
-
-function os_encodeQuery(value){
- if (encodeURIComponent) {
- return encodeURIComponent(value);
- }
- if(escape) {
- return escape(value);
- }
- return null;
-}
-function os_decodeValue(value){
- if (decodeURIComponent) {
- return decodeURIComponent(value);
- }
- if(unescape){
- return unescape(value);
- }
- return null;
-}
+};
/** Brower-dependent functions to find window inner size, and scroll status */
-function f_clientWidth() {
- return f_filterResults (
+window.f_clientWidth = function() {
+ return f_filterResults(
window.innerWidth ? window.innerWidth : 0,
document.documentElement ? document.documentElement.clientWidth : 0,
document.body ? document.body.clientWidth : 0
);
-}
-function f_clientHeight() {
- return f_filterResults (
+};
+
+window.f_clientHeight = function() {
+ return f_filterResults(
window.innerHeight ? window.innerHeight : 0,
document.documentElement ? document.documentElement.clientHeight : 0,
document.body ? document.body.clientHeight : 0
);
-}
-function f_scrollLeft() {
- return f_filterResults (
+};
+
+window.f_scrollLeft = function() {
+ return f_filterResults(
window.pageXOffset ? window.pageXOffset : 0,
document.documentElement ? document.documentElement.scrollLeft : 0,
document.body ? document.body.scrollLeft : 0
);
-}
-function f_scrollTop() {
- return f_filterResults (
+};
+
+window.f_scrollTop = function() {
+ return f_filterResults(
window.pageYOffset ? window.pageYOffset : 0,
document.documentElement ? document.documentElement.scrollTop : 0,
document.body ? document.body.scrollTop : 0
);
-}
-function f_filterResults(n_win, n_docel, n_body) {
+};
+
+window.f_filterResults = function( n_win, n_docel, n_body ) {
var n_result = n_win ? n_win : 0;
- if (n_docel && (!n_result || (n_result > n_docel)))
+ if ( n_docel && ( !n_result || ( n_result > n_docel ) ) ) {
n_result = n_docel;
- return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
-}
+ }
+ return n_body && ( !n_result || ( n_result > n_body ) ) ? n_body : n_result;
+};
/** Get the height available for the results container */
-function os_availableHeight(r){
- var absTop = document.getElementById(r.container).style.top;
- var px = absTop.lastIndexOf("px");
- if(px > 0)
- absTop = absTop.substring(0,px);
- return f_clientHeight() - (absTop - f_scrollTop());
-}
-
+window.os_availableHeight = function( r ) {
+ var absTop = document.getElementById( r.container ).style.top;
+ var px = absTop.lastIndexOf( 'px' );
+ if( px > 0 ) {
+ absTop = absTop.substring( 0, px );
+ }
+ return f_clientHeight() - ( absTop - f_scrollTop() );
+};
/** Get element absolute position {left,top} */
-function os_getElementPosition(elemID){
- var offsetTrail = document.getElementById(elemID);
+window.os_getElementPosition = function( elemID ) {
+ var offsetTrail = document.getElementById( elemID );
var offsetLeft = 0;
var offsetTop = 0;
- while (offsetTrail){
+ while ( offsetTrail ) {
offsetLeft += offsetTrail.offsetLeft;
offsetTop += offsetTrail.offsetTop;
offsetTrail = offsetTrail.offsetParent;
}
- if (navigator.userAgent.indexOf('Mac') != -1 && typeof document.body.leftMargin != 'undefined'){
+ if ( navigator.userAgent.indexOf('Mac') != -1 && typeof document.body.leftMargin != 'undefined' ) {
offsetLeft += document.body.leftMargin;
offsetTop += document.body.topMargin;
}
- return {left:offsetLeft,top:offsetTop};
-}
+ return { left:offsetLeft, top:offsetTop };
+};
/** Create the container div that will hold the suggested titles */
-function os_createContainer(r){
- var c = document.createElement("div");
- var s = document.getElementById(r.searchbox);
- var pos = os_getElementPosition(r.searchbox);
+window.os_createContainer = function( r ) {
+ var c = document.createElement( 'div' );
+ var s = document.getElementById( r.searchbox );
+ var pos = os_getElementPosition( r.searchbox );
var left = pos.left;
var top = pos.top + s.offsetHeight;
- c.className = "os-suggest";
- c.setAttribute("id", r.container);
- document.body.appendChild(c);
+ c.className = 'os-suggest';
+ c.setAttribute( 'id', r.container );
+ document.body.appendChild( c );
// dynamically generated style params
// IE workaround, cannot explicitely set "style" attribute
- c = document.getElementById(r.container);
- c.style.top = top+"px";
- c.style.left = left+"px";
- c.style.width = s.offsetWidth+"px";
+ c = document.getElementById( r.container );
+ c.style.top = top + 'px';
+ c.style.left = left + 'px';
+ c.style.width = s.offsetWidth + 'px';
// mouse event handlers
- c.onmouseover = function(event) { os_eventMouseover(r.searchbox, event); };
- c.onmousemove = function(event) { os_eventMousemove(r.searchbox, event); };
- c.onmousedown = function(event) { return os_eventMousedown(r.searchbox, event); };
- c.onmouseup = function(event) { os_eventMouseup(r.searchbox, event); };
+ c.onmouseover = function( event ) { os_eventMouseover( r.searchbox, event ); };
+ c.onmousemove = function( event ) { os_eventMousemove( r.searchbox, event ); };
+ c.onmousedown = function( event ) { return os_eventMousedown( r.searchbox, event ); };
+ c.onmouseup = function( event ) { os_eventMouseup( r.searchbox, event ); };
return c;
-}
+};
/** change container height to fit to screen */
-function os_fitContainer(r){
- var c = document.getElementById(r.container);
- var h = os_availableHeight(r) - 20;
+window.os_fitContainer = function( r ) {
+ var c = document.getElementById( r.container );
+ var h = os_availableHeight( r ) - 20;
var inc = r.containerRow;
- h = parseInt(h/inc) * inc;
- if(h < (2 * inc) && r.resultCount > 1) // min: two results
+ h = parseInt( h / inc ) * inc;
+ if( h < ( 2 * inc ) && r.resultCount > 1 ) { // min: two results
h = 2 * inc;
- if((h/inc) > os_max_lines_per_suggest )
+ }
+ if( ( h / inc ) > os_max_lines_per_suggest ) {
h = inc * os_max_lines_per_suggest;
- if(h < r.containerTotal){
- c.style.height = h +"px";
- r.containerCount = parseInt(Math.round(h/inc));
- } else{
- c.style.height = r.containerTotal+"px";
+ }
+ if( h < r.containerTotal ) {
+ c.style.height = h + 'px';
+ r.containerCount = parseInt( Math.round( h / inc ) );
+ } else {
+ c.style.height = r.containerTotal + 'px';
r.containerCount = r.resultCount;
}
-}
+};
+
/** If some entries are longer than the box, replace text with "..." */
-function os_trimResultText(r){
+window.os_trimResultText = function( r ) {
// find max width, first see if we could expand the container to fit it
var maxW = 0;
- for(var i=0;i<r.resultCount;i++){
- var e = document.getElementById(r.resultText+i);
- if(e.offsetWidth > maxW)
+ for( var i = 0; i < r.resultCount; i++ ) {
+ var e = document.getElementById( r.resultText + i );
+ if( e.offsetWidth > maxW ) {
maxW = e.offsetWidth;
+ }
}
- var w = document.getElementById(r.container).offsetWidth;
+ var w = document.getElementById( r.container ).offsetWidth;
var fix = 0;
- if(r.containerCount < r.resultCount){
+ if( r.containerCount < r.resultCount ) {
fix = 20; // give 20px for scrollbar
- } else
- fix = os_operaWidthFix(w);
- if(fix < 4)
+ } else {
+ fix = os_operaWidthFix( w );
+ }
+ if( fix < 4 ) {
fix = 4; // basic padding
+ }
maxW += fix;
// resize container to fit more data if permitted
- var normW = document.getElementById(r.searchbox).offsetWidth;
+ var normW = document.getElementById( r.searchbox ).offsetWidth;
var prop = maxW / normW;
- if(prop > os_container_max_width)
+ if( prop > os_container_max_width ) {
prop = os_container_max_width;
- else if(prop < 1)
+ } else if( prop < 1 ) {
prop = 1;
+ }
var newW = Math.round( normW * prop );
- if( w != newW ){
+ if( w != newW ) {
w = newW;
- if( os_animation_timer != null )
- clearInterval(os_animation_timer.id)
- os_animation_timer = new os_AnimationTimer(r,w);
- os_animation_timer.id = setInterval("os_animateChangeWidth()",os_animation_delay);
+ if( os_animation_timer != null ) {
+ clearInterval( os_animation_timer.id );
+ }
+ os_animation_timer = new os_AnimationTimer( r, w );
+ os_animation_timer.id = setInterval( "os_animateChangeWidth()", os_animation_delay );
w -= fix; // this much is reserved
}
// trim results
- if(w < 10)
+ if( w < 10 ) {
return;
- for(var i=0;i<r.resultCount;i++){
- var e = document.getElementById(r.resultText+i);
+ }
+ for( var i = 0; i < r.resultCount; i++ ) {
+ var e = document.getElementById( r.resultText + i );
var replace = 1;
- var lastW = e.offsetWidth+1;
+ var lastW = e.offsetWidth + 1;
var iteration = 0;
var changedText = false;
- while(e.offsetWidth > w && (e.offsetWidth < lastW || iteration<2)){
+ while( e.offsetWidth > w && ( e.offsetWidth < lastW || iteration < 2 ) ) {
changedText = true;
lastW = e.offsetWidth;
var l = e.innerHTML;
- e.innerHTML = l.substring(0,l.length-replace)+"...";
+ e.innerHTML = l.substring( 0, l.length - replace ) + '...';
iteration++;
replace = 4; // how many chars to replace
}
- if(changedText){
+ if( changedText ) {
// show hint for trimmed titles
- document.getElementById(r.resultTable+i).setAttribute("title",r.results[i]);
+ document.getElementById( r.resultTable + i ).setAttribute( 'title', r.results[i] );
}
}
-}
+};
/** Invoked on timer to animate change in container width */
-function os_animateChangeWidth(){
+window.os_animateChangeWidth = function() {
var r = os_animation_timer.r;
- var c = document.getElementById(r.container);
+ var c = document.getElementById( r.container );
var w = c.offsetWidth;
- var normW = document.getElementById(r.searchbox).offsetWidth;
- var normL = os_getElementPosition(r.searchbox).left;
+ var normW = document.getElementById( r.searchbox ).offsetWidth;
+ var normL = os_getElementPosition( r.searchbox ).left;
var inc = os_animation_timer.inc;
var target = os_animation_timer.target;
var nw = w + inc;
- if( (inc > 0 && nw >= target) || (inc <= 0 && nw <= target) ){
+ if( ( inc > 0 && nw >= target ) || ( inc <= 0 && nw <= target ) ) {
// finished !
- c.style.width = target+"px";
- clearInterval(os_animation_timer.id)
+ c.style.width = target + 'px';
+ clearInterval( os_animation_timer.id );
os_animation_timer = null;
- } else{
+ } else {
// in-progress
- c.style.width = nw+"px";
- if(document.documentElement.dir == "rtl")
- c.style.left = (normL + normW + (target - nw) - os_animation_timer.target - 1)+"px";
- }
-}
-
-/** Handles data from XMLHttpRequest, and updates the suggest results */
-function os_updateResults(r, query, text, cacheKey){
- os_cache[cacheKey] = text;
- r.query = query;
- r.original = query;
- if(text == ""){
- r.results = null;
- r.resultCount = 0;
- os_hideResults(r);
- } else{
- try {
- var p = eval('('+text+')'); // simple json parse, could do a safer one
- if(p.length<2 || p[1].length == 0){
- r.results = null;
- r.resultCount = 0;
- os_hideResults(r);
- return;
- }
- var c = document.getElementById(r.container);
- if(c == null)
- c = os_createContainer(r);
- c.innerHTML = os_createResultTable(r,p[1]);
- // init container table sizes
- var t = document.getElementById(r.resultTable);
- r.containerTotal = t.offsetHeight;
- r.containerRow = t.offsetHeight / r.resultCount;
- os_fitContainer(r);
- os_trimResultText(r);
- os_showResults(r);
- } catch(e){
- // bad response from server or such
- os_hideResults(r);
- os_cache[cacheKey] = null;
+ c.style.width = nw + 'px';
+ if( document.documentElement.dir == 'rtl' ) {
+ c.style.left = ( normL + normW + ( target - nw ) - os_animation_timer.target - 1 ) + 'px';
}
}
-}
+};
-/** Create the result table to be placed in the container div */
-function os_createResultTable(r, results){
- var c = document.getElementById(r.container);
- var width = c.offsetWidth - os_operaWidthFix(c.offsetWidth);
- var html = "<table class=\"os-suggest-results\" id=\""+r.resultTable+"\" style=\"width: "+width+"px;\">";
- r.results = new Array();
- r.resultCount = results.length;
- for(i=0;i<results.length;i++){
- var title = os_decodeValue(results[i]);
- r.results[i] = title;
- html += "<tr><td class=\"os-suggest-result\" id=\""+r.resultTable+i+"\"><span id=\""+r.resultText+i+"\">"+title+"</span></td></tr>";
+/** Change the highlighted row (i.e. suggestion), from position cur to next */
+window.os_changeHighlight = function( r, cur, next, updateSearchBox ) {
+ if ( next >= r.resultCount ) {
+ next = r.resultCount - 1;
+ }
+ if ( next < -1 ) {
+ next = -1;
+ }
+ r.selected = next;
+ if ( cur == next ) {
+ return; // nothing to do.
}
- html+="</table>"
- return html;
-}
-/** Fetch namespaces from checkboxes or hidden fields in the search form,
- if none defined use wgSearchNamespaces global */
-function os_getNamespaces(r){
- var namespaces = "";
- var elements = document.forms[r.searchform].elements;
- for(i=0; i < elements.length; i++){
- var name = elements[i].name;
- if(typeof name != 'undefined' && name.length > 2
- && name[0]=='n' && name[1]=='s'
- && ((elements[i].type=='checkbox' && elements[i].checked)
- || (elements[i].type=='hidden' && elements[i].value=="1")) ){
- if(namespaces!="")
- namespaces+="|";
- namespaces+=name.substring(2);
+ if( cur >= 0 ) {
+ var curRow = document.getElementById( r.resultTable + cur );
+ if( curRow != null ) {
+ curRow.className = 'os-suggest-result';
}
}
- if(namespaces == "")
- namespaces = wgSearchNamespaces.join("|");
- return namespaces;
-}
-
-/** Update results if user hasn't already typed something else */
-function os_updateIfRelevant(r, query, text, cacheKey){
- var t = document.getElementById(r.searchbox);
- if(t != null && t.value == query){ // check if response is still relevant
- os_updateResults(r, query, text, cacheKey);
+ var newText;
+ if( next >= 0 ) {
+ var nextRow = document.getElementById( r.resultTable + next );
+ if( nextRow != null ) {
+ nextRow.className = os_HighlightClass();
+ }
+ newText = r.results[next];
+ } else {
+ newText = r.original;
}
- r.query = query;
-}
-/** Fetch results after some timeout */
-function os_delayedFetch(){
- if(os_timer == null)
- return;
- var r = os_timer.r;
- var query = os_timer.query;
- os_timer = null;
- var path = wgMWSuggestTemplate.replace("{namespaces}",os_getNamespaces(r))
- .replace("{dbname}",wgDBname)
- .replace("{searchTerms}",os_encodeQuery(query));
-
- // try to get from cache, if not fetch using ajax
- var cached = os_cache[path];
- if(cached != null){
- os_updateIfRelevant(r, query, cached, path);
- } else{
- var xmlhttp = sajax_init_object();
- if(xmlhttp){
- try {
- xmlhttp.open("GET", path, true);
- xmlhttp.onreadystatechange=function(){
- if (xmlhttp.readyState==4 && typeof os_updateIfRelevant == 'function') {
- os_updateIfRelevant(r, query, xmlhttp.responseText, path);
- }
- };
- xmlhttp.send(null);
- } catch (e) {
- if (window.location.hostname == "localhost") {
- alert("Your browser blocks XMLHttpRequest to 'localhost', try using a real hostname for development/testing.");
- }
- throw e;
- }
+ // adjust the scrollbar if any
+ if( r.containerCount < r.resultCount ) {
+ var c = document.getElementById( r.container );
+ var vStart = c.scrollTop / r.containerRow;
+ var vEnd = vStart + r.containerCount;
+ if( next < vStart ) {
+ c.scrollTop = next * r.containerRow;
+ } else if( next >= vEnd ) {
+ c.scrollTop = ( next - r.containerCount + 1 ) * r.containerRow;
}
}
-}
-
-/** Init timed update via os_delayedUpdate() */
-function os_fetchResults(r, query, timeout){
- if(query == ""){
- r.query = "";
- os_hideResults(r);
- return;
- } else if(query == r.query)
- return; // no change
-
- os_is_stopped = false; // make sure we're running
- /* var cacheKey = wgDBname+":"+query;
- var cached = os_cache[cacheKey];
- if(cached != null){
- os_updateResults(r,wgDBname,query,cached);
- return;
- } */
-
- // cancel any pending fetches
- if(os_timer != null && os_timer.id != null)
- clearTimeout(os_timer.id);
- // schedule delayed fetching of results
- if(timeout != 0){
- os_timer = new os_Timer(setTimeout("os_delayedFetch()",timeout),r,query);
- } else{
- os_timer = new os_Timer(null,r,query);
- os_delayedFetch(); // do it now!
+ // update the contents of the search box
+ if( updateSearchBox ) {
+ os_updateSearchQuery( r, newText );
}
+};
-}
-/** Change the highlighted row (i.e. suggestion), from position cur to next */
-function os_changeHighlight(r, cur, next, updateSearchBox){
- if (next >= r.resultCount)
- next = r.resultCount-1;
- if (next < -1)
- next = -1;
- r.selected = next;
- if (cur == next)
- return; // nothing to do.
-
- if(cur >= 0){
- var curRow = document.getElementById(r.resultTable + cur);
- if(curRow != null)
- curRow.className = "os-suggest-result";
- }
- var newText;
- if(next >= 0){
- var nextRow = document.getElementById(r.resultTable + next);
- if(nextRow != null)
- nextRow.className = os_HighlightClass();
- newText = r.results[next];
- } else
- newText = r.original;
-
- // adjust the scrollbar if any
- if(r.containerCount < r.resultCount){
- var c = document.getElementById(r.container);
- var vStart = c.scrollTop / r.containerRow;
- var vEnd = vStart + r.containerCount;
- if(next < vStart)
- c.scrollTop = next * r.containerRow;
- else if(next >= vEnd)
- c.scrollTop = (next - r.containerCount + 1) * r.containerRow;
- }
-
- // update the contents of the search box
- if(updateSearchBox){
- os_updateSearchQuery(r,newText);
- }
-}
-
-function os_HighlightClass() {
+window.os_HighlightClass = function() {
var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
- if (match) {
- var webKitVersion = parseInt(match[1]);
- if (webKitVersion < 523) {
+ if ( match ) {
+ var webKitVersion = parseInt( match[1] );
+ if ( webKitVersion < 523 ) {
// CSS system highlight colors broken on old Safari
// https://bugs.webkit.org/show_bug.cgi?id=6129
// Safari 3.0.4, 3.1 known ok
- return "os-suggest-result-hl-webkit";
+ return 'os-suggest-result-hl-webkit';
}
}
- return "os-suggest-result-hl";
-}
-
-function os_updateSearchQuery(r,newText){
- document.getElementById(r.searchbox).value = newText;
- r.query = newText;
-}
-
-/** Find event target */
-function os_getTarget(e){
- if (!e) e = window.event;
- if (e.target) return e.target;
- else if (e.srcElement) return e.srcElement;
- else return null;
-}
-
-
-
-/********************
- * Keyboard events
- ********************/
-
-/** Event handler that will fetch results on keyup */
-function os_eventKeyup(e){
- var targ = os_getTarget(e);
- var r = os_map[targ.id];
- if(r == null)
- return; // not our event
-
- // some browsers won't generate keypressed for arrow keys, catch it
- if(os_keypressed_count == 0){
- os_processKey(r,os_cur_keypressed,targ);
- }
- var query = targ.value;
- os_fetchResults(r,query,os_search_timeout);
-}
-
-/** catch arrows up/down and escape to hide the suggestions */
-function os_processKey(r,keypressed,targ){
- if (keypressed == 40){ // Arrow Down
- if (r.visible) {
- os_changeHighlight(r, r.selected, r.selected+1, true);
- } else if(os_timer == null){
- // user wants to get suggestions now
- r.query = "";
- os_fetchResults(r,targ.value,0);
- }
- } else if (keypressed == 38){ // Arrow Up
- if (r.visible){
- os_changeHighlight(r, r.selected, r.selected-1, true);
- }
- } else if(keypressed == 27){ // Escape
- document.getElementById(r.searchbox).value = r.original;
- r.query = r.original;
- os_hideResults(r);
- } else if(r.query != document.getElementById(r.searchbox).value){
- // os_hideResults(r); // don't show old suggestions
- }
-}
-
-/** When keys is held down use a timer to output regular events */
-function os_eventKeypress(e){
- var targ = os_getTarget(e);
- var r = os_map[targ.id];
- if(r == null)
- return; // not our event
-
- var keypressed = os_cur_keypressed;
-
- os_keypressed_count++;
- os_processKey(r,keypressed,targ);
-}
-
-/** Catch the key code (Firefox bug) */
-function os_eventKeydown(e){
- if (!e) e = window.event;
- var targ = os_getTarget(e);
- var r = os_map[targ.id];
- if(r == null)
- return; // not our event
-
- os_mouse_moved = false;
-
- os_cur_keypressed = (e.keyCode == undefined) ? e.which : e.keyCode;
- os_keypressed_count = 0;
-}
-
-/** Event: loss of focus of input box */
-function os_eventBlur(e){
- var targ = os_getTarget(e);
- var r = os_map[targ.id];
- if(r == null)
- return; // not our event
- if(!os_mouse_pressed){
- os_hideResults(r);
- // force canvas to stay hidden
- r.stayHidden = true
- // cancel any pending fetches
- if(os_timer != null && os_timer.id != null)
- clearTimeout(os_timer.id);
- os_timer = null
- }
-}
-
-/** Event: focus (catch only when stopped) */
-function os_eventFocus(e){
- var targ = os_getTarget(e);
- var r = os_map[targ.id];
- if(r == null)
- return; // not our event
- r.stayHidden = false
-}
+ return 'os-suggest-result-hl';
+};
+window.os_updateSearchQuery = function( r, newText ) {
+ document.getElementById( r.searchbox ).value = newText;
+ r.query = newText;
+};
/********************
********************/
/** Mouse over the container */
-function os_eventMouseover(srcId, e){
- var targ = os_getTarget(e);
+window.os_eventMouseover = function( srcId, e ) {
+ var targ = os_getTarget( e );
var r = os_map[srcId];
- if(r == null || !os_mouse_moved)
+ if( r == null || !os_mouse_moved ) {
return; // not our event
- var num = os_getNumberSuffix(targ.id);
- if(num >= 0)
- os_changeHighlight(r,r.selected,num,false);
-
-}
+ }
+ var num = os_getNumberSuffix( targ.id );
+ if( num >= 0 ) {
+ os_changeHighlight( r, r.selected, num, false );
+ }
+};
/* Get row where the event occured (from its id) */
-function os_getNumberSuffix(id){
- var num = id.substring(id.length-2);
- if( ! (num.charAt(0) >= '0' && num.charAt(0) <= '9') )
- num = num.substring(1);
- if(os_isNumber(num))
- return parseInt(num);
- else
+window.os_getNumberSuffix = function( id ) {
+ var num = id.substring( id.length - 2 );
+ if( !( num.charAt( 0 ) >= '0' && num.charAt( 0 ) <= '9' ) ) {
+ num = num.substring( 1 );
+ }
+ if( os_isNumber( num ) ) {
+ return parseInt( num );
+ } else {
return -1;
-}
+ }
+};
/** Save mouse move as last action */
-function os_eventMousemove(srcId, e){
+window.os_eventMousemove = function( srcId, e ) {
os_mouse_moved = true;
-}
+};
-/** Mouse button held down, register possible click */
-function os_eventMousedown(srcId, e){
- var targ = os_getTarget(e);
+/** Mouse button held down, register possible click */
+window.os_eventMousedown = function( srcId, e ) {
+ var targ = os_getTarget( e );
var r = os_map[srcId];
- if(r == null)
+ if( r == null ) {
return; // not our event
- var num = os_getNumberSuffix(targ.id);
+ }
+ var num = os_getNumberSuffix( targ.id );
os_mouse_pressed = true;
- if(num >= 0){
+ if( num >= 0 ) {
os_mouse_num = num;
- // os_updateSearchQuery(r,r.results[num]);
+ // os_updateSearchQuery( r, r.results[num] );
}
// keep the focus on the search field
- document.getElementById(r.searchbox).focus();
+ document.getElementById( r.searchbox ).focus();
return false; // prevents selection
-}
+};
/** Mouse button released, check for click on some row */
-function os_eventMouseup(srcId, e){
- var targ = os_getTarget(e);
+window.os_eventMouseup = function( srcId, e ) {
+ var targ = os_getTarget( e );
var r = os_map[srcId];
- if(r == null)
+ if( r == null ) {
return; // not our event
- var num = os_getNumberSuffix(targ.id);
+ }
+ var num = os_getNumberSuffix( targ.id );
- if(num >= 0 && os_mouse_num == num){
- os_updateSearchQuery(r,r.results[num]);
- os_hideResults(r);
- document.getElementById(r.searchform).submit();
+ if( num >= 0 && os_mouse_num == num ) {
+ os_updateSearchQuery( r, r.results[num] );
+ os_hideResults( r );
+ document.getElementById( r.searchform ).submit();
}
os_mouse_pressed = false;
// keep the focus on the search field
- document.getElementById(r.searchbox).focus();
-}
-
-/** Check if x is a valid integer */
-function os_isNumber(x){
- if(x == "" || isNaN(x))
- return false;
- for(var i=0;i<x.length;i++){
- var c = x.charAt(i);
- if( ! (c >= '0' && c <= '9') )
- return false;
- }
- return true;
-}
-
-
-/** When the form is submitted hide everything, cancel updates... */
-function os_eventOnsubmit(e){
- var targ = os_getTarget(e);
-
- os_is_stopped = true;
- // kill timed requests
- if(os_timer != null && os_timer.id != null){
- clearTimeout(os_timer.id);
- os_timer = null;
- }
- // Hide all suggestions
- for(i=0;i<os_autoload_inputs.length;i++){
- var r = os_map[os_autoload_inputs[i]];
- if(r != null){
- var b = document.getElementById(r.searchform);
- if(b != null && b == targ){
- // set query value so the handler won't try to fetch additional results
- r.query = document.getElementById(r.searchbox).value;
- }
- os_hideResults(r);
- }
- }
- return true;
-}
-
-function os_hookEvent(element, hookName, hookFunct) {
- if (element.addEventListener) {
- element.addEventListener(hookName, hookFunct, false);
- } else if (window.attachEvent) {
- element.attachEvent("on" + hookName, hookFunct);
- }
-}
-
-/** Init Result objects and event handlers */
-function os_initHandlers(name, formname, element){
- var r = new os_Results(name, formname);
- // event handler
- os_hookEvent(element, "keyup", function(event) { os_eventKeyup(event); });
- os_hookEvent(element, "keydown", function(event) { os_eventKeydown(event); });
- os_hookEvent(element, "keypress", function(event) { os_eventKeypress(event); });
- os_hookEvent(element, "blur", function(event) { os_eventBlur(event); });
- os_hookEvent(element, "focus", function(event) { os_eventFocus(event); });
- element.setAttribute("autocomplete","off");
- // stopping handler
- os_hookEvent(document.getElementById(formname), "submit", function(event){ return os_eventOnsubmit(event); });
- os_map[name] = r;
- // toggle link
- if(document.getElementById(r.toggle) == null){
- // TODO: disable this while we figure out a way for this to work in all browsers
- /* if(name=='searchInput'){
- // special case: place above the main search box
- var t = os_createToggle(r,"os-suggest-toggle");
- var searchBody = document.getElementById('searchBody');
- var first = searchBody.parentNode.firstChild.nextSibling.appendChild(t);
- } else{
- // default: place below search box to the right
- var t = os_createToggle(r,"os-suggest-toggle-def");
- var top = element.offsetTop + element.offsetHeight;
- var left = element.offsetLeft + element.offsetWidth;
- t.style.position = "absolute";
- t.style.top = top + "px";
- t.style.left = left + "px";
- element.parentNode.appendChild(t);
- // only now width gets calculated, shift right
- left -= t.offsetWidth;
- t.style.left = left + "px";
- t.style.visibility = "visible";
- } */
- }
+ document.getElementById( r.searchbox ).focus();
+};
-}
+/** Toggle stuff seems to be dead code? */
/** Return the span element that contains the toggle link */
-function os_createToggle(r,className){
- var t = document.createElement("span");
+window.os_createToggle = function( r, className ) {
+ var t = document.createElement( 'span' );
t.className = className;
- t.setAttribute("id", r.toggle);
- var link = document.createElement("a");
- link.setAttribute("href","javascript:void(0);");
- link.onclick = function(){ os_toggle(r.searchbox,r.searchform) };
- var msg = document.createTextNode(wgMWSuggestMessages[0]);
- link.appendChild(msg);
- t.appendChild(link);
+ t.setAttribute( 'id', r.toggle );
+ var link = document.createElement( 'a' );
+ link.setAttribute( 'href', 'javascript:void(0);' );
+ link.onclick = function() { os_toggle( r.searchbox, r.searchform ); };
+ var msg = document.createTextNode( wgMWSuggestMessages[0] );
+ link.appendChild( msg );
+ t.appendChild( link );
return t;
-}
+};
/** Call when user clicks on some of the toggle links */
-function os_toggle(inputId,formName){
+window.os_toggle = function( inputId, formName ) {
r = os_map[inputId];
var msg = '';
- if(r == null){
- os_enableSuggestionsOn(inputId,formName);
+ if( r == null ) {
+ os_enableSuggestionsOn( inputId, formName );
r = os_map[inputId];
msg = wgMWSuggestMessages[0];
} else{
- os_disableSuggestionsOn(inputId,formName);
+ os_disableSuggestionsOn( inputId, formName );
msg = wgMWSuggestMessages[1];
}
// change message
- var link = document.getElementById(r.toggle).firstChild;
- link.replaceChild(document.createTextNode(msg),link.firstChild);
-}
-
-/** Call this to enable suggestions on input (id=inputId), on a form (name=formName) */
-function os_enableSuggestionsOn(inputId, formName){
- os_initHandlers( inputId, formName, document.getElementById(inputId) );
-}
-
-/** Call this to disable suggestios on input box (id=inputId) */
-function os_disableSuggestionsOn(inputId){
- r = os_map[inputId];
- if(r != null){
- // cancel/hide results
- os_timer = null;
- os_hideResults(r);
- // turn autocomplete on !
- document.getElementById(inputId).setAttribute("autocomplete","on");
- // remove descriptor
- os_map[inputId] = null;
- }
-}
-
-/** Initialization, call upon page onload */
-function os_MWSuggestInit() {
- for(i=0;i<os_autoload_inputs.length;i++){
- var id = os_autoload_inputs[i];
- var form = os_autoload_forms[i];
- element = document.getElementById( id );
- if(element != null)
- os_initHandlers(id,form,element);
- }
-}
+ var link = document.getElementById( r.toggle ).firstChild;
+ link.replaceChild( document.createTextNode( msg ), link.firstChild );
+};
-hookEvent("load", os_MWSuggestInit);
+hookEvent( 'load', os_MWSuggestInit );