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node_modules/echarts/lib/component/helper/cursorHelper.js

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+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+import { retrieveZInfo } from '../../util/graphic.js';
+var IRRELEVANT_EXCLUDES = {
+  'axisPointer': 1,
+  'tooltip': 1,
+  'brush': 1
+};
+/**
+ * Used on roam/brush triggering determination.
+ * This is to avoid that: mouse clicking on an elements that is over geo or graph,
+ * but roam is triggered unexpectedly.
+ */
+export function onIrrelevantElement(e, api, targetComponent) {
+  var eventElComponent = api.getComponentByElement(e.topTarget);
+  if (!eventElComponent || eventElComponent === targetComponent || IRRELEVANT_EXCLUDES.hasOwnProperty(eventElComponent.mainType)) {
+    return false;
+  }
+  // At present the `true` return is conservative. That is, the caller, such as a RoamController,
+  // is more likely to get a `false` return and start a roam behavior, becuase even if the
+  // `model.coordinateSystem` does not exist, the `e.topTarget` may be also a relevant element,
+  // such as axis split line/area or series elements, where roam should be available. Otherwise,
+  // if a dataZoom-served cartesian is full of series elements, the dataZoom-roaming can hardly
+  // be triggered.
+  var eventElCoordSys = eventElComponent.coordinateSystem;
+  // If eventElComponent is axisModel, it works only if it is injected with coordinateSystem.
+  if (!eventElCoordSys || eventElCoordSys.model === targetComponent) {
+    return false;
+  }
+  // e.g., if a cartesian is covered by a graph, the graph has a higher presedence in roam.
+  // A potential bad case is that RoamController does not prevent the cartesian from handling zr
+  // event, such as click and hovering, but it's fine so far.
+  // Aslo be conservative, if equals, return false.
+  var eventElCmptZInfo = retrieveZInfo(eventElComponent);
+  var targetCmptZInfo = retrieveZInfo(targetComponent);
+  if ((eventElCmptZInfo.zlevel - targetCmptZInfo.zlevel || eventElCmptZInfo.z - targetCmptZInfo.z) <= 0) {
+    return false;
+  }
+  return true;
+}