#1175 Separate analytics generator and hide analytics parameters (#1546)

* #1175 Separate analytics generator and hide analytics parameters

* Remove unused code
fix unit test

* Rollback mandatory field (appId)

* fix the onChanges problem

* #1175 - rebased branch

ng2-components/ng2-activiti-analytics/src/components/analytics-generator.component.ts

@@ -0,0 +1,119 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * 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.
+ */
+
+import { Component, EventEmitter, OnChanges, Input, Output, SimpleChanges } from '@angular/core';
+import { AlfrescoTranslationService, LogService } from 'ng2-alfresco-core';
+import { AnalyticsService } from '../services/analytics.service';
+import { ReportQuery } from '../models/report.model';
+import { Chart } from '../models/chart.model';
+
+@Component({
+    moduleId: module.id,
+    selector: 'activiti-analytics-generator',
+    templateUrl: './analytics-generator.component.html',
+    styleUrls: ['./analytics-generator.component.css']
+})
+export class AnalyticsGeneratorComponent implements OnChanges {
+
+    @Input()
+    reportId: number;
+
+    @Input()
+    reportParamQuery: ReportQuery = undefined;
+
+    @Output()
+    onSuccess = new EventEmitter();
+
+    @Output()
+    onError = new EventEmitter();
+
+    reports: Chart[];
+
+    showDetails: boolean = false;
+
+    public barChartOptions: any = {
+        responsive: true,
+        scales: {
+            yAxes: [{
+                ticks: {
+                    beginAtZero: true,
+                    stepSize: 1
+                }
+            }],
+            xAxes: [{
+                ticks: {
+                },
+                stacked: true
+            }]
+        }
+    };
+
+    constructor(private translateService: AlfrescoTranslationService,
+                private analyticsService: AnalyticsService,
+                private logService: LogService) {
+        logService.info('AnalyticsGeneratorComponent');
+        if (translateService) {
+            translateService.addTranslationFolder('ng2-activiti-analytics', 'node_modules/ng2-activiti-analytics/src');
+        }
+    }
+
+    ngOnChanges(changes: SimpleChanges) {
+        if (this.reportId && this.reportParamQuery) {
+            this.generateReport(this.reportId, this.reportParamQuery);
+        } else {
+            this.reset();
+        }
+    }
+
+    public generateReport(reportId, reportParamQuery) {
+        this.analyticsService.getReportsByParams(reportId, reportParamQuery).subscribe(
+            (res: Chart[]) => {
+                this.reports = res;
+                this.onSuccess.emit(res);
+            },
+            (err: any) => {
+                this.onError.emit(err);
+                this.logService.error(err);
+            }
+        );
+    }
+
+    public reset() {
+        if (this.reports) {
+            this.reports = undefined;
+        }
+    }
+
+    public refresh(report): void {
+        /**
+         * (My guess), for Angular to recognize the change in the dataset
+         * it has to change the dataset variable directly,
+         * so one way around it, is to clone the data, change it and then
+         * assign it;
+         */
+        let clone = JSON.parse(JSON.stringify(report));
+        report.datasets = clone.datasets;
+    }
+
+    toggleDetailsTable() {
+        this.showDetails = !this.showDetails;
+    }
+
+    isShowDetails(): boolean {
+        return this.showDetails;
+    }
+}