2 /* eslint no-underscore-dangle: "off" */
4 * Controller for the filters in Recent Changes
8 * @param {mw.rcfilters.dm.FiltersViewModel} filtersModel Filters view model
9 * @param {mw.rcfilters.dm.ChangesListViewModel} changesListModel Changes list view model
10 * @param {mw.rcfilters.dm.SavedQueriesModel} savedQueriesModel Saved queries model
12 mw
.rcfilters
.Controller
= function MwRcfiltersController( filtersModel
, changesListModel
, savedQueriesModel
) {
13 this.filtersModel
= filtersModel
;
14 this.changesListModel
= changesListModel
;
15 this.savedQueriesModel
= savedQueriesModel
;
16 this.requestCounter
= {};
17 this.baseFilterState
= {};
18 this.uriProcessor
= null;
19 this.initializing
= false;
21 this.prevLoggedItems
= [];
23 this.FILTER_CHANGE
= 'filterChange';
24 this.SHOW_NEW_CHANGES
= 'showNewChanges';
25 this.LIVE_UPDATE
= 'liveUpdate';
29 OO
.initClass( mw
.rcfilters
.Controller
);
32 * Initialize the filter and parameter states
34 * @param {Array} filterStructure Filter definition and structure for the model
35 * @param {Object} [namespaceStructure] Namespace definition
36 * @param {Object} [tagList] Tag definition
38 mw
.rcfilters
.Controller
.prototype.initialize = function ( filterStructure
, namespaceStructure
, tagList
) {
39 var parsedSavedQueries
, limitDefault
,
40 displayConfig
= mw
.config
.get( 'StructuredChangeFiltersDisplayConfig' ),
45 $changesList
= $( '.mw-changeslist' ).first().contents();
48 if ( namespaceStructure
) {
50 $.each( namespaceStructure
, function ( namespaceID
, label
) {
51 // Build and clean up the individual namespace items definition
54 label
: label
|| mw
.msg( 'blanknamespace' ),
57 ( namespaceID
< 0 || namespaceID
% 2 === 0 ) ?
60 cssClass
: 'mw-changeslist-ns-' + namespaceID
65 title
: mw
.msg( 'namespaces' ),
68 // Group definition (single group)
69 name
: 'namespace', // parameter name is singular
70 type
: 'string_options',
71 title
: mw
.msg( 'namespaces' ),
72 labelPrefixKey
: { 'default': 'rcfilters-tag-prefix-namespace', inverted
: 'rcfilters-tag-prefix-namespace-inverted' },
81 title
: mw
.msg( 'rcfilters-view-tags' ),
84 // Group definition (single group)
85 name
: 'tagfilter', // Parameter name
86 type
: 'string_options',
87 title
: 'rcfilters-view-tags', // Message key
88 labelPrefixKey
: 'rcfilters-tag-prefix-tags',
96 // Convert the default from the old preference
97 // since the limit preference actually affects more
98 // than just the RecentChanges page
99 limitDefault
= Number( mw
.user
.options
.get( 'rclimit', '50' ) );
101 // Add parameter range operations
106 type
: 'single_option',
107 title
: '', // Because it's a hidden group, this title actually appears nowhere
109 allowArbitrary
: true,
110 validate
: $.isNumeric
,
112 min
: 0, // The server normalizes negative numbers to 0 results
115 sortFunc: function ( a
, b
) { return Number( a
.name
) - Number( b
.name
); },
116 'default': String( limitDefault
),
117 // Temporarily making this not sticky until we resolve the problem
118 // with the misleading preference. Note that if this is to be permanent
119 // we should remove all sticky behavior methods completely
122 excludedFromSavedQueries
: true,
123 filters
: displayConfig
.limitArray
.map( function ( num
) {
124 return controller
._createFilterDataFromNumber( num
, num
);
129 type
: 'single_option',
130 title
: '', // Because it's a hidden group, this title actually appears nowhere
132 allowArbitrary
: true,
133 validate
: $.isNumeric
,
136 max
: displayConfig
.maxDays
138 sortFunc: function ( a
, b
) { return Number( a
.name
) - Number( b
.name
); },
139 numToLabelFunc: function ( i
) {
140 return Number( i
) < 1 ?
141 ( Number( i
) * 24 ).toFixed( 2 ) :
144 'default': mw
.user
.options
.get( 'rcdays', '30' ),
145 // Temporarily making this not sticky while limit is not sticky, see above
147 excludedFromSavedQueries
: true,
149 // Hours (1, 2, 6, 12)
150 0.04166, 0.0833, 0.25, 0.5
152 ].concat( displayConfig
.daysArray
)
153 .map( function ( num
) {
154 return controller
._createFilterDataFromNumber(
156 // Convert fractions of days to number of hours for the labels
157 num
< 1 ? Math
.round( num
* 24 ) : num
169 title
: '', // Because it's a hidden group, this title actually appears nowhere
175 'default': String( mw
.user
.options
.get( 'usenewrc', 0 ) )
182 // Before we do anything, we need to see if we require additional items in the
183 // groups that have 'AllowArbitrary'. For the moment, those are only single_option
184 // groups; if we ever expand it, this might need further generalization:
185 $.each( views
, function ( viewName
, viewData
) {
186 viewData
.groups
.forEach( function ( groupData
) {
187 var extraValues
= [];
188 if ( groupData
.allowArbitrary
) {
189 // If the value in the URI isn't in the group, add it
190 if ( uri
.query
[ groupData
.name
] !== undefined ) {
191 extraValues
.push( uri
.query
[ groupData
.name
] );
193 // If the default value isn't in the group, add it
194 if ( groupData
.default !== undefined ) {
195 extraValues
.push( String( groupData
.default ) );
197 controller
.addNumberValuesToGroup( groupData
, extraValues
);
202 // Initialize the model
203 this.filtersModel
.initializeFilters( filterStructure
, views
);
205 this._buildBaseFilterState();
207 this.uriProcessor
= new mw
.rcfilters
.UriProcessor(
212 parsedSavedQueries
= JSON
.parse( mw
.user
.options
.get( 'rcfilters-saved-queries' ) || '{}' );
214 parsedSavedQueries
= {};
217 // The queries are saved in a minimized state, so we need
218 // to send over the base state so the saved queries model
219 // can normalize them per each query item
220 this.savedQueriesModel
.initialize(
222 this._getBaseFilterState(),
223 // This is for backwards compatibility - delete all excluded filter states
224 Object
.keys( this.filtersModel
.getExcludedFiltersState() )
227 // Check whether we need to load defaults.
228 // We do this by checking whether the current URI query
229 // contains any parameters recognized by the system.
230 // If it does, we load the given state.
231 // If it doesn't, we have no values at all, and we assume
232 // the user loads the base-page and we load defaults.
233 // Defaults should only be applied on load (if necessary)
235 this.initializing
= true;
237 this.savedQueriesModel
.getDefault() &&
238 !this.uriProcessor
.doesQueryContainRecognizedParams( uri
.query
)
240 // We have defaults from a saved query.
241 // We will load them straight-forward (as if
242 // they were clicked in the menu) so we trigger
243 // a full ajax request and change of URL
244 this.applySavedQuery( this.savedQueriesModel
.getDefault() );
246 // There are either recognized parameters in the URL
247 // or there are none, but there is also no default
248 // saved query (so defaults are from the backend)
249 // We want to update the state but not fetch results
251 this.updateStateFromUrl( false );
253 // Update the changes list with the existing data
254 // so it gets processed
255 this.changesListModel
.update(
256 $changesList
.length
? $changesList
: 'NO_RESULTS',
257 $( 'fieldset.rcoptions' ).first(),
258 true // We're using existing DOM elements
262 this.initializing
= false;
263 this.switchView( 'default' );
265 this._scheduleLiveUpdate();
269 * Create filter data from a number, for the filters that are numerical value
271 * @param {Number} num Number
272 * @param {Number} numForDisplay Number for the label
273 * @return {Object} Filter data
275 mw
.rcfilters
.Controller
.prototype._createFilterDataFromNumber = function ( num
, numForDisplay
) {
278 label
: mw
.language
.convertNumber( numForDisplay
)
283 * Add an arbitrary values to groups that allow arbitrary values
285 * @param {Object} groupData Group data
286 * @param {string|string[]} arbitraryValues An array of arbitrary values to add to the group
288 mw
.rcfilters
.Controller
.prototype.addNumberValuesToGroup = function ( groupData
, arbitraryValues
) {
289 var controller
= this,
290 normalizeWithinRange = function ( range
, val
) {
291 if ( val
< range
.min
) {
292 return range
.min
; // Min
293 } else if ( val
>= range
.max
) {
294 return range
.max
; // Max
299 arbitraryValues
= Array
.isArray( arbitraryValues
) ? arbitraryValues
: [ arbitraryValues
];
301 // Normalize the arbitrary values and the default value for a range
302 if ( groupData
.range
) {
303 arbitraryValues
= arbitraryValues
.map( function ( val
) {
304 return normalizeWithinRange( groupData
.range
, val
);
307 // Normalize the default, since that's user defined
308 if ( groupData
.default !== undefined ) {
309 groupData
.default = String( normalizeWithinRange( groupData
.range
, groupData
.default ) );
313 // This is only true for single_option group
314 // We assume these are the only groups that will allow for
315 // arbitrary, since it doesn't make any sense for the other
317 arbitraryValues
.forEach( function ( val
) {
319 // If the group allows for arbitrary data
320 groupData
.allowArbitrary
&&
321 // and it is single_option (or string_options, but we
322 // don't have cases of those yet, nor do we plan to)
323 groupData
.type
=== 'single_option' &&
324 // and, if there is a validate method and it passes on
326 ( !groupData
.validate
|| groupData
.validate( val
) ) &&
327 // but if that value isn't already in the definition
329 .map( function ( filterData
) {
330 return String( filterData
.name
);
332 .indexOf( String( val
) ) === -1
334 // Add the filter information
335 groupData
.filters
.push( controller
._createFilterDataFromNumber(
337 groupData
.numToLabelFunc
?
338 groupData
.numToLabelFunc( val
) :
342 // If there's a sort function set up, re-sort the values
343 if ( groupData
.sortFunc
) {
344 groupData
.filters
.sort( groupData
.sortFunc
);
351 * Switch the view of the filters model
353 * @param {string} view Requested view
355 mw
.rcfilters
.Controller
.prototype.switchView = function ( view
) {
356 this.filtersModel
.switchView( view
);
360 * Reset to default filters
362 mw
.rcfilters
.Controller
.prototype.resetToDefaults = function () {
363 this.uriProcessor
.updateModelBasedOnQuery( this._getDefaultParams() );
365 this.updateChangesList();
369 * Empty all selected filters
371 mw
.rcfilters
.Controller
.prototype.emptyFilters = function () {
372 var highlightedFilterNames
= this.filtersModel
373 .getHighlightedItems()
374 .map( function ( filterItem
) { return { name
: filterItem
.getName() }; } );
376 this.filtersModel
.emptyAllFilters();
377 this.filtersModel
.clearAllHighlightColors();
378 // Check all filter interactions
379 this.filtersModel
.reassessFilterInteractions();
381 this.updateChangesList();
383 if ( highlightedFilterNames
) {
384 this._trackHighlight( 'clearAll', highlightedFilterNames
);
389 * Update the selected state of a filter
391 * @param {string} filterName Filter name
392 * @param {boolean} [isSelected] Filter selected state
394 mw
.rcfilters
.Controller
.prototype.toggleFilterSelect = function ( filterName
, isSelected
) {
395 var filterItem
= this.filtersModel
.getItemByName( filterName
);
398 // If no filter was found, break
402 isSelected
= isSelected
=== undefined ? !filterItem
.isSelected() : isSelected
;
404 if ( filterItem
.isSelected() !== isSelected
) {
405 this.filtersModel
.toggleFilterSelected( filterName
, isSelected
);
407 this.updateChangesList();
409 // Check filter interactions
410 this.filtersModel
.reassessFilterInteractions( filterItem
);
415 * Clear both highlight and selection of a filter
417 * @param {string} filterName Name of the filter item
419 mw
.rcfilters
.Controller
.prototype.clearFilter = function ( filterName
) {
420 var filterItem
= this.filtersModel
.getItemByName( filterName
),
421 isHighlighted
= filterItem
.isHighlighted();
423 if ( filterItem
.isSelected() || isHighlighted
) {
424 this.filtersModel
.clearHighlightColor( filterName
);
425 this.filtersModel
.toggleFilterSelected( filterName
, false );
426 this.updateChangesList();
427 this.filtersModel
.reassessFilterInteractions( filterItem
);
429 // Log filter grouping
430 this.trackFilterGroupings( 'removefilter' );
433 if ( isHighlighted
) {
434 this._trackHighlight( 'clear', filterName
);
439 * Toggle the highlight feature on and off
441 mw
.rcfilters
.Controller
.prototype.toggleHighlight = function () {
442 this.filtersModel
.toggleHighlight();
445 if ( this.filtersModel
.isHighlightEnabled() ) {
446 mw
.hook( 'RcFilters.highlight.enable' ).fire();
451 * Toggle the namespaces inverted feature on and off
453 mw
.rcfilters
.Controller
.prototype.toggleInvertedNamespaces = function () {
454 this.filtersModel
.toggleInvertedNamespaces();
457 this.filtersModel
.getFiltersByView( 'namespaces' )
458 .filter( function ( filterItem
) {
459 return filterItem
.isSelected();
463 // Only re-fetch results if there are namespace items that are actually selected
464 this.updateChangesList();
469 * Set the highlight color for a filter item
471 * @param {string} filterName Name of the filter item
472 * @param {string} color Selected color
474 mw
.rcfilters
.Controller
.prototype.setHighlightColor = function ( filterName
, color
) {
475 this.filtersModel
.setHighlightColor( filterName
, color
);
477 this._trackHighlight( 'set', { name
: filterName
, color
: color
} );
481 * Clear highlight for a filter item
483 * @param {string} filterName Name of the filter item
485 mw
.rcfilters
.Controller
.prototype.clearHighlightColor = function ( filterName
) {
486 this.filtersModel
.clearHighlightColor( filterName
);
488 this._trackHighlight( 'clear', filterName
);
492 * Enable or disable live updates.
493 * @param {boolean} enable True to enable, false to disable
495 mw
.rcfilters
.Controller
.prototype.toggleLiveUpdate = function ( enable
) {
496 this.changesListModel
.toggleLiveUpdate( enable
);
497 if ( this.changesListModel
.getLiveUpdate() && this.changesListModel
.getNewChangesExist() ) {
498 this.updateChangesList( null, this.LIVE_UPDATE
);
503 * Set a timeout for the next live update.
506 mw
.rcfilters
.Controller
.prototype._scheduleLiveUpdate = function () {
507 setTimeout( this._doLiveUpdate
.bind( this ), 3000 );
511 * Perform a live update.
514 mw
.rcfilters
.Controller
.prototype._doLiveUpdate = function () {
515 if ( !this._shouldCheckForNewChanges() ) {
516 // skip this turn and check back later
517 this._scheduleLiveUpdate();
521 this._checkForNewChanges()
522 .then( function ( data
) {
523 if ( !this._shouldCheckForNewChanges() ) {
524 // by the time the response is received,
525 // it may not be appropriate anymore
529 if ( data
.changes
!== 'NO_RESULTS' ) {
530 if ( this.changesListModel
.getLiveUpdate() ) {
531 return this.updateChangesList( null, this.LIVE_UPDATE
);
533 this.changesListModel
.setNewChangesExist( true );
537 .always( this._scheduleLiveUpdate
.bind( this ) );
541 * @return {boolean} It's appropriate to check for new changes now
544 mw
.rcfilters
.Controller
.prototype._shouldCheckForNewChanges = function () {
545 return !document
.hidden
&&
546 !this.filtersModel
.hasConflict() &&
547 !this.changesListModel
.getNewChangesExist() &&
548 !this.updatingChangesList
&&
549 mw
.rcfilters
.featureFlags
.liveUpdate
;
553 * Check if new changes, newer than those currently shown, are available
555 * @return {jQuery.Promise} Promise object that resolves after trying
556 * to fetch 1 change newer than the last known 'from' parameter value
560 mw
.rcfilters
.Controller
.prototype._checkForNewChanges = function () {
561 return this._fetchChangesList(
565 from: this.changesListModel
.getNextFrom()
571 * Show the new changes
573 * @return {jQuery.Promise} Promise object that resolves after
574 * fetching and showing the new changes
576 mw
.rcfilters
.Controller
.prototype.showNewChanges = function () {
577 return this.updateChangesList( null, this.SHOW_NEW_CHANGES
);
581 * Save the current model state as a saved query
583 * @param {string} [label] Label of the saved query
584 * @param {boolean} [setAsDefault=false] This query should be set as the default
586 mw
.rcfilters
.Controller
.prototype.saveCurrentQuery = function ( label
, setAsDefault
) {
588 highlightedItems
= {},
589 highlightEnabled
= this.filtersModel
.isHighlightEnabled(),
590 selectedState
= this.filtersModel
.getSelectedState();
592 // Prepare highlights
593 this.filtersModel
.getHighlightedItems().forEach( function ( item
) {
594 highlightedItems
[ item
.getName() ] = highlightEnabled
?
595 item
.getHighlightColor() : null;
597 // These are filter states; highlight is stored as boolean
598 highlightedItems
.highlight
= this.filtersModel
.isHighlightEnabled();
600 // Delete all excluded filters
601 this._deleteExcludedValuesFromFilterState( selectedState
);
604 queryID
= this.savedQueriesModel
.addNewQuery(
605 label
|| mw
.msg( 'rcfilters-savedqueries-defaultlabel' ),
607 filters
: selectedState
,
608 highlights
: highlightedItems
,
609 invert
: this.filtersModel
.areNamespacesInverted()
613 if ( setAsDefault
) {
614 this.savedQueriesModel
.setDefault( queryID
);
618 this._saveSavedQueries();
622 * Remove a saved query
624 * @param {string} queryID Query id
626 mw
.rcfilters
.Controller
.prototype.removeSavedQuery = function ( queryID
) {
627 this.savedQueriesModel
.removeQuery( queryID
);
629 this._saveSavedQueries();
633 * Rename a saved query
635 * @param {string} queryID Query id
636 * @param {string} newLabel New label for the query
638 mw
.rcfilters
.Controller
.prototype.renameSavedQuery = function ( queryID
, newLabel
) {
639 var queryItem
= this.savedQueriesModel
.getItemByID( queryID
);
642 queryItem
.updateLabel( newLabel
);
644 this._saveSavedQueries();
648 * Set a saved query as default
650 * @param {string} queryID Query Id. If null is given, default
653 mw
.rcfilters
.Controller
.prototype.setDefaultSavedQuery = function ( queryID
) {
654 this.savedQueriesModel
.setDefault( queryID
);
655 this._saveSavedQueries();
661 * @param {string} queryID Query id
663 mw
.rcfilters
.Controller
.prototype.applySavedQuery = function ( queryID
) {
664 var data
, highlights
,
665 queryItem
= this.savedQueriesModel
.getItemByID( queryID
),
666 currentMatchingQuery
= this.findQueryMatchingCurrentState();
671 // If there's already a query, don't reload it
672 // if it's the same as the one that already exists
673 !currentMatchingQuery
||
674 currentMatchingQuery
.getID() !== queryItem
.getID()
677 data
= queryItem
.getData();
678 highlights
= data
.highlights
;
680 // Backwards compatibility; initial version mispelled 'highlight' with 'highlights'
681 highlights
.highlight
= highlights
.highlights
|| highlights
.highlight
;
683 // Update model state from filters
684 this.filtersModel
.toggleFiltersSelected(
685 // Merge filters with excluded values
686 $.extend( true, {}, data
.filters
, this.filtersModel
.getExcludedFiltersState() )
689 // Update namespace inverted property
690 this.filtersModel
.toggleInvertedNamespaces( !!Number( data
.invert
) );
692 // Update highlight state
693 this.filtersModel
.toggleHighlight( !!Number( highlights
.highlight
) );
694 this.filtersModel
.getItems().forEach( function ( filterItem
) {
695 var color
= highlights
[ filterItem
.getName() ];
697 filterItem
.setHighlightColor( color
);
699 filterItem
.clearHighlightColor();
703 // Check all filter interactions
704 this.filtersModel
.reassessFilterInteractions();
706 this.updateChangesList();
708 // Log filter grouping
709 this.trackFilterGroupings( 'savedfilters' );
714 * Check whether the current filter and highlight state exists
715 * in the saved queries model.
717 * @return {boolean} Query exists
719 mw
.rcfilters
.Controller
.prototype.findQueryMatchingCurrentState = function () {
720 var highlightedItems
= {},
721 selectedState
= this.filtersModel
.getSelectedState();
723 // Prepare highlights of the current query
724 this.filtersModel
.getItemsSupportingHighlights().forEach( function ( item
) {
725 highlightedItems
[ item
.getName() ] = item
.getHighlightColor();
727 highlightedItems
.highlight
= this.filtersModel
.isHighlightEnabled();
729 // Remove anything that should be excluded from the saved query
730 // this includes sticky filters and filters marked with 'excludedFromSavedQueries'
731 this._deleteExcludedValuesFromFilterState( selectedState
);
733 return this.savedQueriesModel
.findMatchingQuery(
735 filters
: selectedState
,
736 highlights
: highlightedItems
,
737 invert
: this.filtersModel
.areNamespacesInverted()
743 * Delete sticky filters from given object
745 * @param {Object} filterState Filter state
747 mw
.rcfilters
.Controller
.prototype._deleteExcludedValuesFromFilterState = function ( filterState
) {
748 // Remove excluded filters
749 $.each( this.filtersModel
.getExcludedFiltersState(), function ( filterName
) {
750 delete filterState
[ filterName
];
755 * Get an object representing the base state of parameters
758 * This is meant to make sure that the saved queries that are
759 * in memory are always the same structure as what we would get
760 * by calling the current model's "getSelectedState" and by checking
763 * In cases where a user saved a query when the system had a certain
764 * set of filters, and then a filter was added to the system, we want
765 * to make sure that the stored queries can still be comparable to
766 * the current state, which means that we need the base state for
769 * - Saved queries are stored in "minimal" view (only changed filters
770 * are stored); When we initialize the system, we merge each minimal
771 * query with the base state (using 'getNormalizedFilters') so all
772 * saved queries have the exact same structure as what we would get
773 * by checking the getSelectedState of the filter.
774 * - When we save the queries, we minimize the object to only represent
775 * whatever has actually changed, rather than store the entire
776 * object. To check what actually is different so we can store it,
777 * we need to obtain a base state to compare against, this is
778 * what #_getMinimalFilterList does
780 mw
.rcfilters
.Controller
.prototype._buildBaseFilterState = function () {
781 var defaultParams
= this.filtersModel
.getDefaultParams(),
782 highlightedItems
= {};
784 // Prepare highlights
785 this.filtersModel
.getItemsSupportingHighlights().forEach( function ( item
) {
786 highlightedItems
[ item
.getName() ] = null;
788 highlightedItems
.highlight
= false;
790 this.baseFilterState
= {
791 filters
: this.filtersModel
.getFiltersFromParameters( defaultParams
),
792 highlights
: highlightedItems
,
798 * Get an object representing the base filter state of both
799 * filters and highlights. The structure is similar to what we use
800 * to store each query in the saved queries object:
806 * filterName: (string|null)
810 * @return {Object} Object representing the base state of
811 * parameters and highlights
813 mw
.rcfilters
.Controller
.prototype._getBaseFilterState = function () {
814 return this.baseFilterState
;
818 * Get an object that holds only the parameters and highlights that have
819 * values different than the base default value.
821 * This is the reverse of the normalization we do initially on loading and
822 * initializing the saved queries model.
824 * @param {Object} valuesObject Object representing the state of both
825 * filters and highlights in its normalized version, to be minimized.
826 * @return {Object} Minimal filters and highlights list
828 mw
.rcfilters
.Controller
.prototype._getMinimalFilterList = function ( valuesObject
) {
829 var result
= { filters
: {}, highlights
: {} },
830 baseState
= this._getBaseFilterState();
833 $.each( valuesObject
.filters
, function ( name
, value
) {
834 if ( baseState
.filters
!== undefined && baseState
.filters
[ name
] !== value
) {
835 result
.filters
[ name
] = value
;
839 $.each( valuesObject
.highlights
, function ( name
, value
) {
840 if ( baseState
.highlights
!== undefined && baseState
.highlights
[ name
] !== value
) {
841 result
.highlights
[ name
] = value
;
849 * Save the current state of the saved queries model with all
850 * query item representation in the user settings.
852 mw
.rcfilters
.Controller
.prototype._saveSavedQueries = function () {
854 state
= this.savedQueriesModel
.getState(),
857 // Minimize before save
858 $.each( state
.queries
, function ( queryID
, info
) {
859 state
.queries
[ queryID
].data
= controller
._getMinimalFilterList( info
.data
);
863 stringified
= JSON
.stringify( state
);
865 if ( stringified
.length
> 65535 ) {
866 // Sanity check, since the preference can only hold that.
870 // Save the preference
871 new mw
.Api().saveOption( 'rcfilters-saved-queries', stringified
);
872 // Update the preference for this session
873 mw
.user
.options
.set( 'rcfilters-saved-queries', stringified
);
877 * Update sticky preferences with current model state
879 mw
.rcfilters
.Controller
.prototype.updateStickyPreferences = function () {
880 // Update default sticky values with selected, whether they came from
881 // the initial defaults or from the URL value that is being normalized
882 this.updateDaysDefault( this.filtersModel
.getGroup( 'days' ).getSelectedItems()[ 0 ].getParamName() );
883 this.updateLimitDefault( this.filtersModel
.getGroup( 'limit' ).getSelectedItems()[ 0 ].getParamName() );
885 // TODO: Make these automatic by having the model go over sticky
886 // items and update their default values automatically
890 * Update the limit default value
892 * param {number} newValue New value
894 mw
.rcfilters
.Controller
.prototype.updateLimitDefault = function ( /* newValue */ ) {
895 // HACK: Temporarily remove this from being sticky
899 if ( !$.isNumeric( newValue ) ) {
903 newValue = Number( newValue );
905 if ( mw.user.options.get( 'rcfilters-rclimit' ) !== newValue ) {
906 // Save the preference
907 new mw.Api().saveOption( 'rcfilters-rclimit', newValue );
908 // Update the preference for this session
909 mw.user.options.set( 'rcfilters-rclimit', newValue );
916 * Update the days default value
918 * param {number} newValue New value
920 mw
.rcfilters
.Controller
.prototype.updateDaysDefault = function ( /* newValue */ ) {
921 // HACK: Temporarily remove this from being sticky
925 if ( !$.isNumeric( newValue ) ) {
929 newValue = Number( newValue );
931 if ( mw.user.options.get( 'rcdays' ) !== newValue ) {
932 // Save the preference
933 new mw.Api().saveOption( 'rcdays', newValue );
934 // Update the preference for this session
935 mw.user.options.set( 'rcdays', newValue );
942 * Update the group by page default value
944 * @param {number} newValue New value
946 mw
.rcfilters
.Controller
.prototype.updateGroupByPageDefault = function ( newValue
) {
947 if ( !$.isNumeric( newValue
) ) {
951 newValue
= Number( newValue
);
953 if ( mw
.user
.options
.get( 'usenewrc' ) !== newValue
) {
954 // Save the preference
955 new mw
.Api().saveOption( 'usenewrc', newValue
);
956 // Update the preference for this session
957 mw
.user
.options
.set( 'usenewrc', newValue
);
962 * Synchronize the URL with the current state of the filters
963 * without adding an history entry.
965 mw
.rcfilters
.Controller
.prototype.replaceUrl = function () {
966 mw
.rcfilters
.UriProcessor
.static.replaceState( this._getUpdatedUri() );
970 * Update filter state (selection and highlighting) based
971 * on current URL values.
973 * @param {boolean} [fetchChangesList=true] Fetch new results into the changes
974 * list based on the updated model.
976 mw
.rcfilters
.Controller
.prototype.updateStateFromUrl = function ( fetchChangesList
) {
977 fetchChangesList
= fetchChangesList
=== undefined ? true : !!fetchChangesList
;
979 this.uriProcessor
.updateModelBasedOnQuery( new mw
.Uri().query
);
981 // Update the sticky preferences, in case we received a value
983 this.updateStickyPreferences();
985 // Only update and fetch new results if it is requested
986 if ( fetchChangesList
) {
987 this.updateChangesList();
992 * Update the list of changes and notify the model
994 * @param {Object} [params] Extra parameters to add to the API call
995 * @param {string} [updateMode='filterChange'] One of 'filterChange', 'liveUpdate', 'showNewChanges'
996 * @return {jQuery.Promise} Promise that is resolved when the update is complete
998 mw
.rcfilters
.Controller
.prototype.updateChangesList = function ( params
, updateMode
) {
999 updateMode
= updateMode
=== undefined ? this.FILTER_CHANGE
: updateMode
;
1001 if ( updateMode
=== this.FILTER_CHANGE
) {
1002 this._updateURL( params
);
1004 if ( updateMode
=== this.FILTER_CHANGE
|| updateMode
=== this.SHOW_NEW_CHANGES
) {
1005 this.changesListModel
.invalidate();
1007 this.changesListModel
.setNewChangesExist( false );
1008 this.updatingChangesList
= true;
1009 return this._fetchChangesList()
1012 function ( pieces
) {
1013 var $changesListContent
= pieces
.changes
,
1014 $fieldset
= pieces
.fieldset
;
1015 this.changesListModel
.update(
1016 $changesListContent
,
1019 // separator between old and new changes
1020 updateMode
=== this.SHOW_NEW_CHANGES
|| updateMode
=== this.LIVE_UPDATE
1023 // Do nothing for failure
1025 .always( function () {
1026 this.updatingChangesList
= false;
1031 * Get an object representing the default parameter state, whether
1032 * it is from the model defaults or from the saved queries.
1034 * @return {Object} Default parameters
1036 mw
.rcfilters
.Controller
.prototype._getDefaultParams = function () {
1037 var data
, queryHighlights
,
1039 savedHighlights
= {},
1040 defaultSavedQueryItem
= this.savedQueriesModel
.getItemByID( this.savedQueriesModel
.getDefault() );
1042 if ( defaultSavedQueryItem
) {
1043 data
= defaultSavedQueryItem
.getData();
1045 queryHighlights
= data
.highlights
|| {};
1046 savedParams
= this.filtersModel
.getParametersFromFilters(
1047 // Merge filters with sticky values
1048 $.extend( true, {}, data
.filters
, this.filtersModel
.getStickyFiltersState() )
1051 // Translate highlights to parameters
1052 savedHighlights
.highlight
= String( Number( queryHighlights
.highlight
) );
1053 $.each( queryHighlights
, function ( filterName
, color
) {
1054 if ( filterName
!== 'highlights' ) {
1055 savedHighlights
[ filterName
+ '_color' ] = color
;
1059 return $.extend( true, {}, savedParams
, savedHighlights
);
1062 return this.filtersModel
.getDefaultParams();
1066 * Update the URL of the page to reflect current filters
1068 * This should not be called directly from outside the controller.
1069 * If an action requires changing the URL, it should either use the
1070 * highlighting actions below, or call #updateChangesList which does
1071 * the uri corrections already.
1073 * @param {Object} [params] Extra parameters to add to the API call
1075 mw
.rcfilters
.Controller
.prototype._updateURL = function ( params
) {
1076 var currentUri
= new mw
.Uri(),
1077 updatedUri
= this._getUpdatedUri();
1079 updatedUri
.extend( params
|| {} );
1082 this.uriProcessor
.getVersion( currentUri
.query
) !== 2 ||
1083 this.uriProcessor
.isNewState( currentUri
.query
, updatedUri
.query
)
1085 mw
.rcfilters
.UriProcessor
.static.replaceState( updatedUri
);
1090 * Get an updated mw.Uri object based on the model state
1092 * @return {mw.Uri} Updated Uri
1094 mw
.rcfilters
.Controller
.prototype._getUpdatedUri = function () {
1095 var uri
= new mw
.Uri();
1098 uri
.query
= this.uriProcessor
.minimizeQuery(
1102 // We want to retain unrecognized params
1103 // The uri params from model will override
1104 // any recognized value in the current uri
1105 // query, retain unrecognized params, and
1106 // the result will then be minimized
1108 this.uriProcessor
.getUriParametersFromModel(),
1117 * Fetch the list of changes from the server for the current filters
1119 * @param {string} [counterId='updateChangesList'] Id for this request. To allow concurrent requests
1120 * not to invalidate each other.
1121 * @param {Object} [params={}] Parameters to add to the query
1123 * @return {jQuery.Promise} Promise object that will resolve with the changes list
1124 * or with a string denoting no results.
1126 mw
.rcfilters
.Controller
.prototype._fetchChangesList = function ( counterId
, params
) {
1127 var uri
= this._getUpdatedUri(),
1128 stickyParams
= this.filtersModel
.getStickyParams(),
1132 counterId
= counterId
|| 'updateChangesList';
1133 params
= params
|| {};
1135 uri
.extend( params
);
1137 this.requestCounter
[ counterId
] = this.requestCounter
[ counterId
] || 0;
1138 requestId
= ++this.requestCounter
[ counterId
];
1139 latestRequest = function () {
1140 return requestId
=== this.requestCounter
[ counterId
];
1143 // Sticky parameters override the URL params
1144 // this is to make sure that whether we represent
1145 // the sticky params in the URL or not (they may
1146 // be normalized out) the sticky parameters are
1147 // always being sent to the server with their
1148 // current/default values
1149 uri
.extend( stickyParams
);
1151 return $.ajax( uri
.toString(), { contentType
: 'html' } )
1156 if ( !latestRequest() ) {
1157 return $.Deferred().reject();
1160 $parsed
= $( $.parseHTML( html
) );
1164 changes
: $parsed
.find( '.mw-changeslist' ).first().contents(),
1166 fieldset
: $parsed
.find( 'fieldset.rcoptions' ).first()
1170 function ( responseObj
) {
1173 if ( !latestRequest() ) {
1174 return $.Deferred().reject();
1177 $parsed
= $( $.parseHTML( responseObj
.responseText
) );
1179 // Force a resolve state to this promise
1180 return $.Deferred().resolve( {
1181 changes
: 'NO_RESULTS',
1182 fieldset
: $parsed
.find( 'fieldset.rcoptions' ).first()
1189 * Track usage of highlight feature
1191 * @param {string} action
1192 * @param {Array|Object|string} filters
1194 mw
.rcfilters
.Controller
.prototype._trackHighlight = function ( action
, filters
) {
1195 filters
= typeof filters
=== 'string' ? { name
: filters
} : filters
;
1196 filters
= !Array
.isArray( filters
) ? [ filters
] : filters
;
1198 'event.ChangesListHighlights',
1202 userId
: mw
.user
.getId()
1208 * Track filter grouping usage
1210 * @param {string} action Action taken
1212 mw
.rcfilters
.Controller
.prototype.trackFilterGroupings = function ( action
) {
1213 var controller
= this,
1214 rightNow
= new Date().getTime(),
1215 randomIdentifier
= String( mw
.user
.sessionId() ) + String( rightNow
) + String( Math
.random() ),
1216 // Get all current filters
1217 filters
= this.filtersModel
.getSelectedItems().map( function ( item
) {
1218 return item
.getName();
1221 action
= action
|| 'filtermenu';
1223 // Check if these filters were the ones we just logged previously
1224 // (Don't log the same grouping twice, in case the user opens/closes)
1225 // the menu without action, or with the same result
1227 // Only log if the two arrays are different in size
1228 filters
.length
!== this.prevLoggedItems
.length
||
1229 // Or if any filters are not the same as the cached filters
1230 filters
.some( function ( filterName
) {
1231 return controller
.prevLoggedItems
.indexOf( filterName
) === -1;
1233 // Or if any cached filters are not the same as given filters
1234 this.prevLoggedItems
.some( function ( filterName
) {
1235 return filters
.indexOf( filterName
) === -1;
1238 filters
.forEach( function ( filterName
) {
1240 'event.ChangesListFilterGrouping',
1243 groupIdentifier
: randomIdentifier
,
1245 userId
: mw
.user
.getId()
1250 // Cache the filter names
1251 this.prevLoggedItems
= filters
;
1254 }( mediaWiki
, jQuery
) );