149 lines
5.3 KiB
JavaScript
149 lines
5.3 KiB
JavaScript
/*
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* (c) Copyright 2016 Hewlett Packard Enterprise Development Company LP
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function () {
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'use strict';
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angular
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.module('horizon.framework.widgets.magic-search')
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.directive('hzMagicSearchContext', hzMagicSearchContext);
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hzMagicSearchContext.$inject = [
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'$parse',
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'horizon.framework.widgets.magic-search.events'
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];
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/**
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* @ngdoc directive
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* @name hzMagicSearchContext
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* @description
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* This directive provides a context for Magic Search features.
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* It encapsulates both the search element as well as the results
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* element to ensure that the results, and only the results that
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* are included in the context of this directive, are passed events.
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*
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* The context 'relays' events back down to constituent components
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* by appending '-ms-context' to them to avoid infinite-loop situations.
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* This allows controls to clearly distinguish direct events and those
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* coming from the context directive.
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*
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* @param {object} filterFacets Facets allowed for searching
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* @param {object=} filterStrings Help content shown in search bar
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* @param {boolean=} clientFullTextSearch if true, performs full text search
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* exclusively on the client
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*
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* Facets:
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* ```
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* var nameFacet = {
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* label: gettext('Name'),
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* name: 'name',
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* singleton: true,
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* isServer: true
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* };
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*
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* var sizeFacet = {
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* label: gettext('Size'),
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* name: 'size',
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* singleton: false,
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* options: [
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* { label: gettext('Small'), key: 'small' },
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* { label: gettext('Medium'), key: 'medium' },
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* { label: gettext('Large'), key: 'large' },
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* ]
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* };
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* ```
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*
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* label - this is the text shown in top level facet dropdown menu
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* name - this is the column key provided to Smart-Table
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* singleton - 'true' if free text can be used as search term
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* options - list of options shown in selected facet dropdown menu
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* isServer - 'true' if the search needs to be executed against an API.
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* 'false' or undefined if the search will be executed only in the client side
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* @restrict E
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* @scope
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*
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* @example
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* ```
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* <hz-magic-search-context
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* filter-strings="filterStrings"
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* filter-facets="filterFacets">
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* <magic-search></magic-search>
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* <table st-magic-search st-table="controller.data">
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* </table>
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* </hz-magic-search-context>
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* ```
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*/
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function hzMagicSearchContext($parse, magicSearchEvents) {
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var directive = {
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link: link,
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restrict: 'E',
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scope: true
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};
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return directive;
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function link(scope, element, attrs) {
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var filterStrings = $parse(attrs.filterStrings)(scope);
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var clientFullTextSearch = $parse(attrs.clientFullTextSearch)(scope);
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var searchSettingsCallback = $parse(attrs.searchSettingsCallback)(scope);
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scope.searchSettingsCallback = searchSettingsCallback;
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scope.clientFullTextSearch = angular.isDefined(clientFullTextSearch)
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? clientFullTextSearch
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: true;
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// if filterStrings is not defined, set defaults
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var defaultFilterStrings = {
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cancel: gettext('Cancel'),
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prompt: gettext('Click here for filters or full text search.'),
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remove: gettext('Remove'),
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text: scope.clientFullTextSearch
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? gettext('Search in current results')
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: gettext('Full Text Search')
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};
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scope.filterStrings = filterStrings || defaultFilterStrings;
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if (angular.isDefined(searchSettingsCallback)) {
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scope.showSettings = true;
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} else {
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scope.showSettings = false;
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}
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scope.$on(magicSearchEvents.SEARCH_UPDATED, resend);
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scope.$on(magicSearchEvents.TEXT_SEARCH, resend);
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scope.$on(magicSearchEvents.CHECK_FACETS, resend);
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scope.$on(magicSearchEvents.FACETS_CHANGED, resend);
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scope.$on(magicSearchEvents.SERVER_SEARCH_UPDATED, resend);
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// This directive doesn't use an isolate scope because it is used to wrap magic-search which
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// doesn't take all data as attributes (yet). Until it does, in order to make changes
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// to the 'filter-facets' of this directive visible to a child magic-search, we
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// explicitly watch whatever value the parent set as the 'filter-facets' attribute on this
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// directive, and set that to 'scope.filterFacets' for any children to use.
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//
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// For example, if the parent sets filter-facets='ctrl.myFilters', then this watch
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// is equivalent to:
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// scope.filterFacets = scope.ctrl.myFilters
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if (angular.isUndefined(scope.filterFacets)) {
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scope.$watch(attrs.filterFacets, function (newValue) {
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scope.filterFacets = newValue;
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});
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}
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function resend(event, data) {
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scope.$broadcast(event.name + '-ms-context', data);
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}
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}
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}
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})();
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