* @param {Object} [tagList] Tag definition
*/
mw.rcfilters.Controller.prototype.initialize = function ( filterStructure, namespaceStructure, tagList ) {
- var parsedSavedQueries,
+ var parsedSavedQueries, pieces,
displayConfig = mw.config.get( 'StructuredChangeFiltersDisplayConfig' ),
defaultSavedQueryExists = mw.config.get( 'wgStructuredChangeFiltersDefaultSavedQueryExists' ),
controller = this,
views = {},
items = [],
- uri = new mw.Uri(),
- $changesList = $( '.mw-changeslist' ).first().contents();
+ uri = new mw.Uri();
// Prepare views
if ( namespaceStructure ) {
// again
this.updateStateFromUrl( false );
+ pieces = this._extractChangesListInfo( $( '#mw-content-text' ) );
+
// Update the changes list with the existing data
// so it gets processed
this.changesListModel.update(
- $changesList.length ? $changesList : 'NO_RESULTS',
- $( 'fieldset.cloptions' ).first(),
+ pieces.changes,
+ pieces.fieldset,
+ pieces.noResultsDetails,
true // We're using existing DOM elements
);
}
}
};
+ /**
+ * Extracts information from the changes list DOM
+ *
+ * @param {jQuery} $root Root DOM to find children from
+ * @return {Object} Information about changes list
+ * @return {Object|string} return.changes Changes list, or 'NO_RESULTS' if there are no results
+ * (either normally or as an error)
+ * @return {string} [return.noResultsDetails] 'NO_RESULTS_NORMAL' for a normal 0-result set,
+ * 'NO_RESULTS_TIMEOUT' for no results due to a timeout, or omitted for more than 0 results
+ * @return {jQuery} return.fieldset Fieldset
+ */
+ mw.rcfilters.Controller.prototype._extractChangesListInfo = function ( $root ) {
+ var info, isTimeout,
+ $changesListContents = $root.find( '.mw-changeslist' ).first().contents(),
+ areResults = !!$changesListContents.length;
+
+ info = {
+ changes: $changesListContents.length ? $changesListContents : 'NO_RESULTS',
+ fieldset: $root.find( 'fieldset.cloptions' ).first()
+ };
+
+ if ( !areResults ) {
+ isTimeout = !!$root.find( '.mw-changeslist-timeout' ).length;
+ info.noResultsDetails = isTimeout ? 'NO_RESULTS_TIMEOUT' : 'NO_RESULTS_NORMAL';
+ }
+
+ return info;
+ };
+
/**
* Create filter data from a number, for the filters that are numerical value
*
* Reset to default filters
*/
mw.rcfilters.Controller.prototype.resetToDefaults = function () {
- this.filtersModel.updateStateFromParams( this._getDefaultParams() );
-
- this.updateChangesList();
+ if ( this.applyParamChange( this._getDefaultParams() ) ) {
+ // Only update the changes list if there was a change to actual filters
+ this.updateChangesList();
+ }
};
/**
* Empty all selected filters
*/
mw.rcfilters.Controller.prototype.emptyFilters = function () {
- var highlightedFilterNames = this.filtersModel
- .getHighlightedItems()
+ var highlightedFilterNames = this.filtersModel.getHighlightedItems()
.map( function ( filterItem ) { return { name: filterItem.getName() }; } );
- this.filtersModel.updateStateFromParams( {} );
-
- this.updateChangesList();
+ if ( this.applyParamChange( {} ) ) {
+ // Only update the changes list if there was a change to actual filters
+ this.updateChangesList();
+ }
if ( highlightedFilterNames ) {
this._trackHighlight( 'clearAll', highlightedFilterNames );
return;
}
- // Apply parameters to model
- this.filtersModel.updateStateFromParams( params );
-
- this.updateChangesList();
+ if ( this.applyParamChange( params ) ) {
+ // Update changes list only if there was a difference in filter selection
+ this.updateChangesList();
+ }
// Log filter grouping
this.trackFilterGroupings( 'savedfilters' );
* Check whether the current filter and highlight state exists
* in the saved queries model.
*
- * @return {boolean} Query exists
+ * @return {mw.rcfilters.dm.SavedQueryItemModel} Matching item model
*/
mw.rcfilters.Controller.prototype.findQueryMatchingCurrentState = function () {
return this.savedQueriesModel.findMatchingQuery(
* without adding an history entry.
*/
mw.rcfilters.Controller.prototype.replaceUrl = function () {
- this.uriProcessor.replaceUpdatedUri();
+ this.uriProcessor.updateURL();
};
/**
this.changesListModel.update(
$changesListContent,
$fieldset,
+ pieces.noResultsDetails,
false,
// separator between old and new changes
updateMode === this.SHOW_NEW_CHANGES || updateMode === this.LIVE_UPDATE
return this._queryChangesList( 'updateChangesList' )
.then(
function ( data ) {
- var $parsed = $( '<div>' ).append( $( $.parseHTML( data.content ) ) ),
- pieces = {
- // Changes list
- changes: $parsed.find( '.mw-changeslist' ).first().contents(),
- // Fieldset
- fieldset: $parsed.find( 'fieldset.cloptions' ).first()
+ var $parsed;
+
+ // Status code 0 is not HTTP status code,
+ // but is valid value of XMLHttpRequest status.
+ // It is used for variety of network errors, for example
+ // when an AJAX call was cancelled before getting the response
+ if ( data && data.status === 0 ) {
+ return {
+ changes: 'NO_RESULTS',
+ // We need empty result set, to avoid exceptions because of undefined value
+ fieldset: $( [] ),
+ noResultsDetails: 'NO_RESULTS_NETWORK_ERROR'
};
-
- if ( pieces.changes.length === 0 ) {
- pieces.changes = 'NO_RESULTS';
}
- return pieces;
- }
+ $parsed = $( '<div>' ).append( $( $.parseHTML( data.content ) ) );
+
+ return this._extractChangesListInfo( $parsed );
+
+ }.bind( this )
);
};
}
};
+ /**
+ * Apply a change of parameters to the model state, and check whether
+ * the new state is different than the old state.
+ *
+ * @param {Object} newParamState New parameter state to apply
+ * @return {boolean} New applied model state is different than the previous state
+ */
+ mw.rcfilters.Controller.prototype.applyParamChange = function ( newParamState ) {
+ var after,
+ before = this.filtersModel.getSelectedState();
+
+ this.filtersModel.updateStateFromParams( newParamState );
+
+ after = this.filtersModel.getSelectedState();
+
+ return !OO.compare( before, after );
+ };
+
/**
* Mark all changes as seen on Watchlist
*/
dépôts / lhc / web / wiklou.git / blobdiff