treeHelper.js 3.1 KB

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  1. /*
  2. * Licensed to the Apache Software Foundation (ASF) under one
  3. * or more contributor license agreements. See the NOTICE file
  4. * distributed with this work for additional information
  5. * regarding copyright ownership. The ASF licenses this file
  6. * to you under the Apache License, Version 2.0 (the
  7. * "License"); you may not use this file except in compliance
  8. * with the License. You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing,
  13. * software distributed under the License is distributed on an
  14. * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15. * KIND, either express or implied. See the License for the
  16. * specific language governing permissions and limitations
  17. * under the License.
  18. */
  19. var zrUtil = require("zrender/lib/core/util");
  20. /*
  21. * Licensed to the Apache Software Foundation (ASF) under one
  22. * or more contributor license agreements. See the NOTICE file
  23. * distributed with this work for additional information
  24. * regarding copyright ownership. The ASF licenses this file
  25. * to you under the Apache License, Version 2.0 (the
  26. * "License"); you may not use this file except in compliance
  27. * with the License. You may obtain a copy of the License at
  28. *
  29. * http://www.apache.org/licenses/LICENSE-2.0
  30. *
  31. * Unless required by applicable law or agreed to in writing,
  32. * software distributed under the License is distributed on an
  33. * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  34. * KIND, either express or implied. See the License for the
  35. * specific language governing permissions and limitations
  36. * under the License.
  37. */
  38. function retrieveTargetInfo(payload, validPayloadTypes, seriesModel) {
  39. if (payload && zrUtil.indexOf(validPayloadTypes, payload.type) >= 0) {
  40. var root = seriesModel.getData().tree.root;
  41. var targetNode = payload.targetNode;
  42. if (typeof targetNode === 'string') {
  43. targetNode = root.getNodeById(targetNode);
  44. }
  45. if (targetNode && root.contains(targetNode)) {
  46. return {
  47. node: targetNode
  48. };
  49. }
  50. var targetNodeId = payload.targetNodeId;
  51. if (targetNodeId != null && (targetNode = root.getNodeById(targetNodeId))) {
  52. return {
  53. node: targetNode
  54. };
  55. }
  56. }
  57. } // Not includes the given node at the last item.
  58. function getPathToRoot(node) {
  59. var path = [];
  60. while (node) {
  61. node = node.parentNode;
  62. node && path.push(node);
  63. }
  64. return path.reverse();
  65. }
  66. function aboveViewRoot(viewRoot, node) {
  67. var viewPath = getPathToRoot(viewRoot);
  68. return zrUtil.indexOf(viewPath, node) >= 0;
  69. } // From root to the input node (the input node will be included).
  70. function wrapTreePathInfo(node, seriesModel) {
  71. var treePathInfo = [];
  72. while (node) {
  73. var nodeDataIndex = node.dataIndex;
  74. treePathInfo.push({
  75. name: node.name,
  76. dataIndex: nodeDataIndex,
  77. value: seriesModel.getRawValue(nodeDataIndex)
  78. });
  79. node = node.parentNode;
  80. }
  81. treePathInfo.reverse();
  82. return treePathInfo;
  83. }
  84. exports.retrieveTargetInfo = retrieveTargetInfo;
  85. exports.getPathToRoot = getPathToRoot;
  86. exports.aboveViewRoot = aboveViewRoot;
  87. exports.wrapTreePathInfo = wrapTreePathInfo;