grafana/public/app/plugins/datasource/elasticsearch/partials/bucket_agg.html

<div class="gf-form-inline">
	<div class="gf-form">
		<label class="gf-form-label query-keyword width-7">
			<span ng-show="isFirst">Group by</span>
			<span ng-hide="isFirst">Then by</span>
		</label>

		<gf-form-dropdown model="agg.type"
											lookup-text="true"
											get-options="getBucketAggTypes()"
											on-change="onTypeChanged()"
											allow-custom="false"
											label-mode="true"
											css-class="width-10">
		</gf-form-dropdown>
		<gf-form-dropdown ng-if="agg.field"
											model="agg.field"
											get-options="getFieldsInternal()"
											on-change="onChange()"
											allow-custom="false"
											label-mode="true"
											css-class="width-12">
		</gf-form-dropdown>
	</div>

	<div class="gf-form gf-form--grow">
		<label class="gf-form-label gf-form-label--grow">
			<a ng-click="toggleOptions()">
				<i class="fa fa-caret-down" ng-show="showOptions"></i>
				<i class="fa fa-caret-right" ng-hide="showOptions"></i>
				{{settingsLinkText}}
			</a>
		</label>
	</div>

	<div class="gf-form">
		<label class="gf-form-label" ng-if="isFirst">
			<a class="pointer" ng-click="addBucketAgg()"><i class="fa fa-plus"></i></a>
		</label>
		<label class="gf-form-label" ng-if="bucketAggCount > 1">
			<a class="pointer" ng-click="removeBucketAgg()"><i class="fa fa-minus"></i></a>
		</label>
	</div>
</div>

<div class="gf-form-group" ng-if="showOptions">
	<div ng-if="agg.type === 'date_histogram'">
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Interval</label>
			<gf-form-dropdown model="agg.settings.interval"
												get-options="getIntervalOptions()"
												on-change="onChangeInternal()"
												allow-custom="true"
												label-mode="true"
												css-class="width-12">
			</gf-form-dropdown>
		</div>

		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Min Doc Count</label>
			<input type="number" class="gf-form-input max-width-12" ng-model="agg.settings.min_doc_count" ng-blur="onChangeInternal()">
		</div>

		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">
				Trim edges
				<info-popover mode="right-normal">
					Trim the edges on the timeseries datapoints
				</info-popover>
			</label>
			<input class="gf-form-input max-width-12" type="number" ng-model="agg.settings.trimEdges" ng-change="onChangeInternal()">
		</div>
	</div>

	<div ng-if="agg.type === 'histogram'">
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Interval</label>
			<input type="number" class="gf-form-input max-width-12" ng-model="agg.settings.interval" ng-blur="onChangeInternal()">
		</div>
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Min Doc Count</label>
			<input type="number" class="gf-form-input max-width-12" ng-model="agg.settings.min_doc_count" ng-blur="onChangeInternal()">
		</div>
	</div>

	<div ng-if="agg.type === 'terms'">
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Order</label>
			<gf-form-dropdown model="agg.settings.order"
											  lookup-text="true"
												get-options="getOrderOptions()"
												on-change="onChangeInternal()"
												label-mode="true"
												css-class="width-12">
			</gf-form-dropdown>
		</div>
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Size</label>
			<gf-form-dropdown model="agg.settings.size"
											  lookup-text="true"
												get-options="getSizeOptions()"
												on-change="onChangeInternal()"
												label-mode="true"
                        allow-custom="true"
												css-class="width-12">
			</gf-form-dropdown>
		</div>
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Min Doc Count</label>
			<input type="number" class="gf-form-input max-width-12" ng-model="agg.settings.min_doc_count" ng-blur="onChangeInternal()">
		</div>
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Order By</label>
			<gf-form-dropdown model="agg.settings.orderBy"
											  lookup-text="true"
												get-options="getOrderByOptions()"
												on-change="onChangeInternal()"
												label-mode="true"
												css-class="width-12">
			</gf-form-dropdown>
		</div>
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">
				Missing
				<info-popover mode="right-normal">
					The missing parameter defines how documents that are missing a value should be treated. By default they will be ignored but it is also possible to treat them as if they had a value
				</info-popover>
			</label>
			<input type="text" class="gf-form-input max-width-12" empty-to-null ng-model="agg.settings.missing" ng-blur="onChangeInternal()" spellcheck='false'>
		</div>
	</div>

	<div ng-if="agg.type === 'filters'">
		<div class="gf-form-inline offset-width-7" ng-repeat="filter in agg.settings.filters">
			<div class="gf-form">
				<label class="gf-form-label width-10">Query {{$index + 1}}</label>
				<input type="text" class="gf-form-input max-width-12" ng-model="filter.query" spellcheck='false' placeholder="Lucene query" ng-blur="onChangeInternal()">
				<label class="gf-form-label width-10">Label {{$index + 1}}</label>
				<input type="text" class="gf-form-input max-width-12" ng-model="filter.label" spellcheck='false' placeholder="Label" ng-blur="onChangeInternal()">
			</div>
			<div class="gf-form">
				<label class="gf-form-label" ng-if="$first">
					<a class="pointer" ng-click="addFiltersQuery()"><i class="fa fa-plus"></i></a>
				</label>
				<label class="gf-form-label" ng-if="!$first">
					<a class="pointer" ng-click="removeFiltersQuery(filter)"><i class="fa fa-minus"></i></a>
				</label>
			</div>
		</div>
	</div>

	<div ng-if="agg.type === 'geohash_grid'">
		<div class="gf-form offset-width-7">
			<label class="gf-form-label width-10">Precision</label>
			<input type="number" class="gf-form-input max-width-12" ng-model="agg.settings.precision" spellcheck='false' placeholder="3" ng-blur="onChangeInternal()">
		</div>
	</div>

</div>