Rework the logs

Provide data to logs viewer and rework the look and feel

Issue-ID: CLAMP-428
Change-Id: I7445c491faa7a061da4a959b4ca7646c7c14a88d
Signed-off-by: sebdet <sebastien.determe@intl.att.com>
diff --git a/.gitignore b/.gitignore
index b6d49c7..fbdcf4a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,7 +8,6 @@
 ui-react/node_modules
 ui-react/build
 **/package-lock.json
-**/logs/
 **/.evosuite/
 **/debug-logs/
 *.log
diff --git a/ui-react/src/LoopUI.js b/ui-react/src/LoopUI.js
index dd4923e..1f79d39 100644
--- a/ui-react/src/LoopUI.js
+++ b/ui-react/src/LoopUI.js
@@ -147,7 +147,7 @@
 		return (
 			<LoopViewBodyDivStyled>
 				<LoopSvg loopCache={this.state.loopCache} />
-				<LoopLogs />
+				<LoopLogs loopCache={this.state.loopCache} />
 				<LoopStatus />
 			</LoopViewBodyDivStyled>
 		);
diff --git a/ui-react/src/components/loop_viewer/logs/LoopLogs.js b/ui-react/src/components/loop_viewer/logs/LoopLogs.js
new file mode 100644
index 0000000..d7d983d
--- /dev/null
+++ b/ui-react/src/components/loop_viewer/logs/LoopLogs.js
@@ -0,0 +1,95 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights
+ *                             reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ *
+ */
+import React from 'react';
+import Table from 'react-bootstrap/Table';
+import LoopCache from '../../../api/LoopCache';
+import styled from 'styled-components';
+
+const TableRow = ({ logRow }) => (
+	<tr>
+		<td>{logRow.logInstant}</td>
+		<td>{logRow.logType}</td>
+		<td>{logRow.logComponent}</td>
+		<td>{logRow.message}</td>
+	</tr>
+
+)
+
+const LoopLogsHeaderDivStyled = styled.div`
+	background-color: ${props => props.theme.loopViewerHeaderBackgroundColor};
+	padding: 10px 10px;
+	color: ${props => props.theme.loopViewerHeaderFontColor};
+	overflow: auto;
+`
+
+export default class LoopLogs extends React.Component {
+
+	state = {
+		loopCache: new LoopCache({}),
+	}
+	constructor(props) {
+		super(props);
+		this.renderLogs = this.renderLogs.bind(this);
+		this.state.loopCache=props.loopCache;
+	}
+
+	shouldComponentUpdate(nextProps, nextState) {
+		return this.state.loopCache !== nextState.loopCache;
+	}
+
+	componentWillReceiveProps(newProps) {
+		this.setState({
+			loopCache: newProps.loopCache,
+		});
+	}
+
+	renderLogs() {
+		if (this.state.loopCache.getLoopLogsArray() != null) {
+		return (
+			this.state.loopCache.getLoopLogsArray().map(row => <TableRow logRow={row} />)
+		)
+	} 
+	}
+
+	render() {
+		return (
+			<LoopLogsHeaderDivStyled>
+				<label>Loop Logs</label>
+				<Table striped hover bordeless variant responsive>
+					<thead>
+						<tr>
+							<th><span align="left">Date</span></th>
+							<th><span align="left">Type</span></th>
+							<th><span align="left">Component</span></th>
+							<th><span align="right">Log</span></th>
+						</tr>
+					</thead>
+					<tbody>
+						{this.renderLogs()}
+					</tbody>
+				</Table>
+			</LoopLogsHeaderDivStyled>
+
+		);
+	}
+}