From 3fee65e8eeb060f99b6bf98229eabfc74ef68263 Mon Sep 17 00:00:00 2001
From: Arjun Vijayanatha Kurup <arjunvijayanathakurup@gmail.com>
Date: Mon, 27 Apr 2020 22:57:12 +0530
Subject: [PATCH] Converted tag_cloud_visualization to TypeScript issue #63592
 fixed

---
 .../components/tag_cloud_visualization.tsx    | 167 ++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 src/plugins/vis_type_tagcloud/public/components/tag_cloud_visualization.tsx

diff --git a/src/plugins/vis_type_tagcloud/public/components/tag_cloud_visualization.tsx b/src/plugins/vis_type_tagcloud/public/components/tag_cloud_visualization.tsx
new file mode 100644
index 0000000000000..304bd641fd658
--- /dev/null
+++ b/src/plugins/vis_type_tagcloud/public/components/tag_cloud_visualization.tsx
@@ -0,0 +1,167 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. 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 React from 'react';
+import * as Rx from 'rxjs';
+import { take } from 'rxjs/operators';
+import { render, unmountComponentAtNode } from 'react-dom';
+import { I18nProvider } from '@kbn/i18n/react';
+import d3 from 'd3';
+import { getFormatService } from '../services';
+import { Label } from './label';
+import { TagCloud } from './tag_cloud';
+import { FeedbackMessage } from './feedback_message';
+
+const MAX_TAG_COUNT = 200;
+
+export function createTagCloudVisualization({ colors }: { colors: any }) {
+  const colorScale = d3.scale.ordinal().range(colors.seedColors);
+  return class TagCloudVisualization<> {
+    _containerNode: any;
+    _vis: any;
+    _truncated: boolean;
+    _tagCloud: TagCloud;
+    _visParams: any;
+    _renderComplete$: any;
+    _feedbackNode: any;
+    _feedbackMessage: any;
+    _labelNode: HTMLElement;
+    _label: any;
+
+    constructor(node: any, vis: any) {
+      this._containerNode = node;
+
+      const cloudRelativeContainer = document.createElement('div');
+      cloudRelativeContainer.classList.add('tgcVis');
+      cloudRelativeContainer.setAttribute('style', 'position: relative');
+      const cloudContainer = document.createElement('div');
+      cloudContainer.classList.add('tgcVis');
+      cloudContainer.setAttribute('data-test-subj', 'tagCloudVisualization');
+      this._containerNode.classList.add('visChart--vertical');
+      cloudRelativeContainer.appendChild(cloudContainer);
+      this._containerNode.appendChild(cloudRelativeContainer);
+
+      this._vis = vis;
+      this._truncated = false;
+      this._tagCloud = new TagCloud(cloudContainer, colorScale);
+      this._tagCloud.on('select', event => {
+        if (!this._visParams.bucket) {
+          return;
+        }
+        this._vis.API.events.filter({
+          table: event.meta.data,
+          column: 0,
+          row: event.meta.rowIndex,
+        });
+      });
+      this._renderComplete$ = Rx.fromEvent(this._tagCloud, 'renderComplete');
+
+      this._feedbackNode = document.createElement('div');
+      this._containerNode.appendChild(this._feedbackNode);
+      this._feedbackMessage = React.createRef();
+      render(
+        <I18nProvider>
+          <FeedbackMessage ref={this._feedbackMessage} />
+        </I18nProvider>,
+        this._feedbackNode
+      );
+
+      this._labelNode = document.createElement('div');
+      this._containerNode.appendChild(this._labelNode);
+      this._label = React.createRef();
+      render(<Label ref={this._label} />, this._labelNode);
+    }
+
+    async render(data: any, visParams: any) {
+      this._updateParams(visParams);
+      this._updateData(data);
+      this._resize();
+
+      await this._renderComplete$.pipe(take(1)).toPromise();
+
+      if (data.columns.length !== 2) {
+        this._feedbackMessage.current.setState({
+          shouldShowTruncate: false,
+          shouldShowIncomplete: false,
+        });
+        return;
+      }
+
+      this._label.current.setState({
+        label: `${data.columns[0].name} - ${data.columns[1].name}`,
+        shouldShowLabel: visParams.showLabel,
+      });
+      this._feedbackMessage.current.setState({
+        shouldShowTruncate: this._truncated,
+        shouldShowIncomplete: this._tagCloud.getStatus() === TagCloud.STATUS.INCOMPLETE,
+      });
+    }
+
+    destroy() {
+      this._tagCloud.destroy();
+      unmountComponentAtNode(this._feedbackNode);
+      unmountComponentAtNode(this._labelNode);
+    }
+
+    _updateData(data: any) {
+      if (!data || !data.rows.length) {
+        this._tagCloud.setData([]);
+        return;
+      }
+
+      const bucket = this._visParams.bucket;
+      const metric = this._visParams.metric;
+      const bucketFormatter = bucket ? getFormatService().deserialize(bucket.format) : null;
+      const tagColumn = bucket ? data.columns[bucket.accessor].id : -1;
+      const metricColumn = data.columns[metric.accessor].id;
+      const tags = data.rows.map((row: any[], rowIndex: any) => {
+        const tag = row[tagColumn] === undefined ? 'all' : row[tagColumn];
+        // eslint-disable-next-line no-shadow
+        const metric = row[metricColumn];
+        return {
+          displayText: bucketFormatter ? bucketFormatter.convert(tag, 'text') : tag,
+          rawText: tag,
+          value: metric,
+          meta: {
+            data,
+            rowIndex,
+          },
+        };
+      });
+
+      if (tags.length > MAX_TAG_COUNT) {
+        tags.length = MAX_TAG_COUNT;
+        this._truncated = true;
+      } else {
+        this._truncated = false;
+      }
+
+      this._tagCloud.setData(tags);
+    }
+
+    _updateParams(visParams: any) {
+      this._visParams = visParams;
+      this._tagCloud.setOptions(visParams);
+    }
+
+    _resize() {
+      this._tagCloud.resize();
+    }
+  };
+}