This commit is contained in:
string 2025-10-28 15:32:37 +05:30
parent ced99e0940
commit 96b90e5dbd
4 changed files with 791 additions and 37 deletions

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@ -1,16 +1,282 @@
<div style="display: block; height: 100%; width: 100%;">
<!-- No filter controls needed with the new simplified approach -->
<!-- Filters are now configured at the drilldown level -->
<!-- Filter Controls Section -->
<div class="filter-section" *ngIf="hasActiveFilters()">
<!-- Base Filters -->
<div class="filter-group" *ngIf="baseFilters && baseFilters.length > 0">
<h4>Base Filters</h4>
<div class="filter-controls">
<div *ngFor="let filter of baseFilters" class="filter-item">
<div class="filter-label">{{ filter.field }} ({{ filter.type || 'text' }})</div>
<!-- Drilldown mode indicator -->
<div *ngIf="currentDrilldownLevel > 0" style="background-color: #e0e0e0; padding: 5px; margin-bottom: 10px; border-radius: 4px; text-align: center;">
<span style="font-weight: bold; color: #333;">Drilldown Level: {{currentDrilldownLevel}}</span>
<button (click)="navigateBack()" style="margin-left: 10px; padding: 2px 8px; background-color: #007cba; color: white; border: none; border-radius: 3px; cursor: pointer;">
Back to Level {{currentDrilldownLevel - 1}}
</button>
<button (click)="resetToOriginalData()" style="margin-left: 10px; padding: 2px 8px; background-color: #dc3545; color: white; border: none; border-radius: 3px; cursor: pointer;">
Back to Main View
</button>
<!-- Text Filter -->
<div *ngIf="!filter.type || filter.type === 'text'" class="filter-input">
<input type="text"
[(ngModel)]="filter.value"
(ngModelChange)="onBaseFilterChange(filter)"
[placeholder]="filter.field"
class="clr-input filter-text-input">
</div>
<!-- Dropdown Filter -->
<div *ngIf="filter.type === 'dropdown'" class="filter-input">
<select [(ngModel)]="filter.value"
(ngModelChange)="onBaseFilterChange(filter)"
class="clr-select filter-select">
<option value="">Select {{ filter.field }}</option>
<option *ngFor="let option of getFilterOptions(filter)" [value]="option">{{ option }}</option>
</select>
</div>
<!-- Multi-Select Filter - Updated to show key first, then dropdown on click -->
<div *ngIf="filter.type === 'multiselect'" class="filter-input multiselect-container">
<div class="multiselect-display" (click)="toggleMultiselect(filter, 'base')">
<span class="multiselect-label">{{ filter.field }}</span>
<span class="multiselect-value" *ngIf="getSelectedOptionsCount(filter) > 0">
({{ getSelectedOptionsCount(filter) }} selected)
</span>
<clr-icon shape="caret down" class="dropdown-icon"></clr-icon>
</div>
<div class="multiselect-dropdown" *ngIf="isMultiselectOpen(filter, 'base')">
<div class="checkbox-group">
<div *ngFor="let option of getFilterOptions(filter); let i = index" class="checkbox-item">
<input type="checkbox"
[checked]="isOptionSelected(filter, option)"
(change)="onMultiSelectChange(filter, option, $event)"
[id]="'base-' + filter.field + '-' + i"
class="clr-checkbox">
<label [for]="'base-' + filter.field + '-' + i" class="checkbox-label">{{ option }}</label>
</div>
</div>
</div>
</div>
<!-- Date Range Filter -->
<div *ngIf="filter.type === 'date-range'" class="filter-input date-range">
<div class="date-input-group">
<input type="date"
[(ngModel)]="filter.value.start"
(ngModelChange)="onDateRangeChange(filter, { start: $event, end: filter.value.end })"
placeholder="Start Date"
class="clr-input filter-date">
<span class="date-separator">to</span>
<input type="date"
[(ngModel)]="filter.value.end"
(ngModelChange)="onDateRangeChange(filter, { start: filter.value.start, end: $event })"
placeholder="End Date"
class="clr-input filter-date">
</div>
</div>
<!-- Toggle Filter -->
<div *ngIf="filter.type === 'toggle'" class="filter-input toggle">
<input type="checkbox"
[(ngModel)]="filter.value"
(ngModelChange)="onToggleChange(filter, $event)"
clrToggle
class="clr-toggle">
<label class="toggle-label">{{ filter.field }}</label>
</div>
</div>
</div>
</div>
<!-- Drilldown Filters -->
<div class="filter-group" *ngIf="drilldownFilters && drilldownFilters.length > 0 && currentDrilldownLevel > 0">
<h4>Drilldown Filters</h4>
<div class="filter-controls">
<div *ngFor="let filter of drilldownFilters" class="filter-item">
<div class="filter-label">{{ filter.field }} ({{ filter.type || 'text' }})</div>
<!-- Text Filter -->
<div *ngIf="!filter.type || filter.type === 'text'" class="filter-input">
<input type="text"
[(ngModel)]="filter.value"
(ngModelChange)="onDrilldownFilterChange(filter)"
[placeholder]="filter.field"
class="clr-input filter-text-input">
</div>
<!-- Dropdown Filter -->
<div *ngIf="filter.type === 'dropdown'" class="filter-input">
<select [(ngModel)]="filter.value"
(ngModelChange)="onDrilldownFilterChange(filter)"
class="clr-select filter-select">
<option value="">Select {{ filter.field }}</option>
<option *ngFor="let option of getFilterOptions(filter)" [value]="option">{{ option }}</option>
</select>
</div>
<!-- Multi-Select Filter - Updated to show key first, then dropdown on click -->
<div *ngIf="filter.type === 'multiselect'" class="filter-input multiselect-container">
<div class="multiselect-display" (click)="toggleMultiselect(filter, 'drilldown')">
<span class="multiselect-label">{{ filter.field }}</span>
<span class="multiselect-value" *ngIf="getSelectedOptionsCount(filter) > 0">
({{ getSelectedOptionsCount(filter) }} selected)
</span>
<clr-icon shape="caret down" class="dropdown-icon"></clr-icon>
</div>
<div class="multiselect-dropdown" *ngIf="isMultiselectOpen(filter, 'drilldown')">
<div class="checkbox-group">
<div *ngFor="let option of getFilterOptions(filter); let i = index" class="checkbox-item">
<input type="checkbox"
[checked]="isOptionSelected(filter, option)"
(change)="onMultiSelectChange(filter, option, $event)"
[id]="'drilldown-' + filter.field + '-' + i"
class="clr-checkbox">
<label [for]="'drilldown-' + filter.field + '-' + i" class="checkbox-label">{{ option }}</label>
</div>
</div>
</div>
</div>
<!-- Date Range Filter -->
<div *ngIf="filter.type === 'date-range'" class="filter-input date-range">
<div class="date-input-group">
<input type="date"
[(ngModel)]="filter.value.start"
(ngModelChange)="onDateRangeChange(filter, { start: $event, end: filter.value.end })"
placeholder="Start Date"
class="clr-input filter-date">
<span class="date-separator">to</span>
<input type="date"
[(ngModel)]="filter.value.end"
(ngModelChange)="onDateRangeChange(filter, { start: filter.value.start, end: $event })"
placeholder="End Date"
class="clr-input filter-date">
</div>
</div>
<!-- Toggle Filter -->
<div *ngIf="filter.type === 'toggle'" class="filter-input toggle">
<input type="checkbox"
[(ngModel)]="filter.value"
(ngModelChange)="onToggleChange(filter, $event)"
clrToggle
class="clr-toggle">
<label class="toggle-label">{{ filter.field }}</label>
</div>
</div>
</div>
</div>
<!-- Layer Filters -->
<div class="filter-group" *ngIf="hasActiveLayerFilters()">
<h4>Layer Filters</h4>
<div class="filter-controls">
<div *ngFor="let filter of getActiveLayerFilters()" class="filter-item">
<div class="filter-label">{{ filter.field }} ({{ filter.type || 'text' }})</div>
<!-- Text Filter -->
<div *ngIf="!filter.type || filter.type === 'text'" class="filter-input">
<input type="text"
[(ngModel)]="filter.value"
(ngModelChange)="onLayerFilterChange(filter)"
[placeholder]="filter.field"
class="clr-input filter-text-input">
</div>
<!-- Dropdown Filter -->
<div *ngIf="filter.type === 'dropdown'" class="filter-input">
<select [(ngModel)]="filter.value"
(ngModelChange)="onLayerFilterChange(filter)"
class="clr-select filter-select">
<option value="">Select {{ filter.field }}</option>
<option *ngFor="let option of getFilterOptions(filter)" [value]="option">{{ option }}</option>
</select>
</div>
<!-- Multi-Select Filter - Updated to show key first, then dropdown on click -->
<div *ngIf="filter.type === 'multiselect'" class="filter-input multiselect-container">
<div class="multiselect-display" (click)="toggleMultiselect(filter, 'layer')">
<span class="multiselect-label">{{ filter.field }}</span>
<span class="multiselect-value" *ngIf="getSelectedOptionsCount(filter) > 0">
({{ getSelectedOptionsCount(filter) }} selected)
</span>
<clr-icon shape="caret down" class="dropdown-icon"></clr-icon>
</div>
<div class="multiselect-dropdown" *ngIf="isMultiselectOpen(filter, 'layer')">
<div class="checkbox-group">
<div *ngFor="let option of getFilterOptions(filter); let i = index" class="checkbox-item">
<input type="checkbox"
[checked]="isOptionSelected(filter, option)"
(change)="onMultiSelectChange(filter, option, $event)"
[id]="'layer-' + filter.field + '-' + i"
class="clr-checkbox">
<label [for]="'layer-' + filter.field + '-' + i" class="checkbox-label">{{ option }}</label>
</div>
</div>
</div>
</div>
<!-- Date Range Filter -->
<div *ngIf="filter.type === 'date-range'" class="filter-input date-range">
<div class="date-input-group">
<input type="date"
[(ngModel)]="filter.value.start"
(ngModelChange)="onDateRangeChange(filter, { start: $event, end: filter.value.end })"
placeholder="Start Date"
class="clr-input filter-date">
<span class="date-separator">to</span>
<input type="date"
[(ngModel)]="filter.value.end"
(ngModelChange)="onDateRangeChange(filter, { start: filter.value.start, end: $event })"
placeholder="End Date"
class="clr-input filter-date">
</div>
</div>
<!-- Toggle Filter -->
<div *ngIf="filter.type === 'toggle'" class="filter-input toggle">
<input type="checkbox"
[(ngModel)]="filter.value"
(ngModelChange)="onToggleChange(filter, $event)"
clrToggle
class="clr-toggle">
<label class="toggle-label">{{ filter.field }}</label>
</div>
</div>
</div>
</div>
<!-- Clear Filters Button -->
<div class="filter-actions">
<button class="btn btn-sm btn-outline" (click)="clearAllFilters()">Clear All Filters</button>
</div>
</div>
<!-- Header row with chart title and drilldown navigation -->
<div class="clr-row header-row">
<div class="clr-col-6">
<h3 class="chart-title">{{charttitle || 'Bar Chart'}}</h3>
</div>
<div class="clr-col-6" style="text-align: right;">
<!-- Add drilldown navigation controls -->
<button class="btn btn-sm btn-link" *ngIf="drilldownEnabled && drilldownStack.length > 0" (click)="navigateBack()">
<cds-icon shape="arrow" direction="left"></cds-icon>
Back to {{drilldownStack.length > 1 ? 'Previous Level' : 'Main Data'}}
</button>
</div>
</div>
<!-- Show current drilldown level -->
<div class="clr-row" *ngIf="drilldownEnabled && drilldownStack.length > 0">
<div class="clr-col-12">
<div class="alert alert-info" style="padding: 8px 12px; margin-bottom: 12px;">
<div class="alert-items">
<div class="alert-item static">
<div class="alert-icon-wrapper">
<cds-icon class="alert-icon" shape="info-circle"></cds-icon>
</div>
<span class="alert-text">
Drilldown Level: {{currentDrilldownLevel}}
<span *ngIf="drilldownStack.length > 0">
(Clicked on: {{drilldownStack[drilldownStack.length - 1].clickedLabel}})
</span>
</span>
</div>
</div>
</div>
</div>
</div>
<!-- No data message -->

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@ -1,31 +1,192 @@
// Bar Chart Component Styles
:host {
display: block;
height: 100%;
width: 100%;
.filter-section {
margin-bottom: 20px;
padding: 15px;
border: 1px solid #ddd;
border-radius: 4px;
background-color: #f9f9f9;
}
.bar-chart-container {
.filter-group {
margin-bottom: 15px;
h4 {
margin-top: 0;
margin-bottom: 10px;
color: #333;
font-weight: 600;
}
}
.filter-controls {
display: flex;
flex-wrap: wrap;
gap: 15px;
}
.filter-item {
flex: 1 1 300px;
min-width: 250px;
padding: 10px;
background: white;
border: 1px solid #e0e0e0;
border-radius: 4px;
}
.filter-label {
font-weight: 500;
margin-bottom: 8px;
color: #555;
font-size: 14px;
}
.filter-input {
width: 100%;
.filter-text-input,
.filter-select,
.filter-date {
width: 100%;
padding: 6px 12px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 14px;
}
.filter-select {
height: 34px;
}
}
.multiselect-container {
position: relative;
height: 100%;
width: 100%;
}
canvas {
display: block;
max-width: 100%;
max-height: 100%;
.multiselect-display {
display: flex;
align-items: center;
justify-content: space-between;
padding: 6px 12px;
border: 1px solid #ccc;
border-radius: 4px;
background: white;
cursor: pointer;
min-height: 34px;
.multiselect-label {
flex: 1;
font-size: 14px;
}
.multiselect-value {
color: #666;
font-size: 12px;
margin-right: 8px;
}
.dropdown-icon {
flex-shrink: 0;
transition: transform 0.2s ease;
}
&:hover {
border-color: #999;
}
}
// Responsive design for chart container
.multiselect-dropdown {
position: absolute;
top: 100%;
left: 0;
right: 0;
z-index: 1000;
background: white;
border: 1px solid #ccc;
border-top: none;
border-radius: 0 0 4px 4px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
max-height: 200px;
overflow-y: auto;
.checkbox-group {
padding: 8px;
.checkbox-item {
display: flex;
align-items: center;
gap: 8px;
padding: 4px 0;
.checkbox-label {
margin: 0;
font-size: 14px;
cursor: pointer;
}
}
}
}
.date-range {
.date-input-group {
display: flex;
align-items: center;
gap: 8px;
}
.date-separator {
margin: 0 5px;
color: #777;
}
}
.toggle {
display: flex;
align-items: center;
gap: 8px;
.toggle-label {
margin: 0;
font-size: 14px;
cursor: pointer;
}
}
.filter-actions {
margin-top: 15px;
padding-top: 15px;
border-top: 1px solid #eee;
.btn {
font-size: 13px;
}
}
// New header row styling
.header-row {
margin-bottom: 15px;
padding-bottom: 10px;
border-bottom: 1px solid #eee;
.chart-title {
margin: 0;
font-size: 18px;
font-weight: 600;
color: #333;
}
}
// Responsive design
@media (max-width: 768px) {
.bar-chart-container {
height: 300px;
.filter-controls {
flex-direction: column;
}
}
@media (max-width: 480px) {
.bar-chart-container {
height: 250px;
.filter-item {
min-width: 100%;
}
.header-row {
.chart-title {
font-size: 16px;
}
}
}

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@ -90,6 +90,11 @@ export class BarChartComponent implements OnInit, OnChanges, OnDestroy {
// Subscriptions to unsubscribe on destroy
private subscriptions: Subscription[] = [];
// Add properties for filter functionality
private openMultiselects: Map<string, string> = new Map(); // Map of filterId -> context
private documentClickHandler: ((event: MouseEvent) => void) | null = null;
private filtersInitialized: boolean = false;
constructor(
private dashboardService: Dashboard3Service,
private filterService: FilterService
@ -111,6 +116,12 @@ export class BarChartComponent implements OnInit, OnChanges, OnDestroy {
ngOnChanges(changes: SimpleChanges): void {
console.log('BarChartComponent input changes:', changes);
// Initialize filter values if they haven't been initialized yet
if (!this.filtersInitialized && (changes.baseFilters || changes.drilldownFilters || changes.drilldownLayers)) {
this.initializeFilterValues();
this.filtersInitialized = true;
}
// Check if any of the key properties have changed
const xAxisChanged = changes.xAxis && !changes.xAxis.firstChange;
const yAxisChanged = changes.yAxis && !changes.yAxis.firstChange;
@ -141,6 +152,316 @@ export class BarChartComponent implements OnInit, OnChanges, OnDestroy {
}
}
// Initialize filter values with proper default values based on type
private initializeFilterValues(): void {
console.log('Initializing filter values');
// Initialize base filters
if (this.baseFilters) {
this.baseFilters.forEach(filter => {
if (filter.value === undefined || filter.value === null) {
switch (filter.type) {
case 'multiselect':
filter.value = [];
break;
case 'date-range':
filter.value = { start: null, end: null };
break;
case 'toggle':
filter.value = false;
break;
default:
filter.value = '';
}
}
});
}
// Initialize drilldown filters
if (this.drilldownFilters) {
this.drilldownFilters.forEach(filter => {
if (filter.value === undefined || filter.value === null) {
switch (filter.type) {
case 'multiselect':
filter.value = [];
break;
case 'date-range':
filter.value = { start: null, end: null };
break;
case 'toggle':
filter.value = false;
break;
default:
filter.value = '';
}
}
});
}
// Initialize layer filters
if (this.drilldownLayers) {
this.drilldownLayers.forEach(layer => {
if (layer.filters) {
layer.filters.forEach((filter: any) => {
if (filter.value === undefined || filter.value === null) {
switch (filter.type) {
case 'multiselect':
filter.value = [];
break;
case 'date-range':
filter.value = { start: null, end: null };
break;
case 'toggle':
filter.value = false;
break;
default:
filter.value = '';
}
}
});
}
});
}
console.log('Filter values initialized:', {
baseFilters: this.baseFilters,
drilldownFilters: this.drilldownFilters,
drilldownLayers: this.drilldownLayers
});
}
// Check if there are active filters
hasActiveFilters(): boolean {
return (this.baseFilters && this.baseFilters.length > 0) ||
(this.drilldownFilters && this.drilldownFilters.length > 0) ||
this.hasActiveLayerFilters();
}
// Check if there are active layer filters for current drilldown level
hasActiveLayerFilters(): boolean {
if (this.currentDrilldownLevel > 1 && this.drilldownLayers && this.drilldownLayers.length > 0) {
const layerIndex = this.currentDrilldownLevel - 2; // -2 because level 1 is base drilldown
return layerIndex < this.drilldownLayers.length &&
this.drilldownLayers[layerIndex].filters &&
this.drilldownLayers[layerIndex].filters.length > 0;
}
return false;
}
// Get active layer filters for current drilldown level
getActiveLayerFilters(): any[] {
if (this.currentDrilldownLevel > 1 && this.drilldownLayers && this.drilldownLayers.length > 0) {
const layerIndex = this.currentDrilldownLevel - 2; // -2 because level 1 is base drilldown
if (layerIndex < this.drilldownLayers.length &&
this.drilldownLayers[layerIndex].filters) {
return this.drilldownLayers[layerIndex].filters;
}
}
return [];
}
// Get filter options for dropdown/multiselect filters
getFilterOptions(filter: any): string[] {
if (filter.options) {
if (Array.isArray(filter.options)) {
return filter.options;
} else if (typeof filter.options === 'string') {
return filter.options.split(',').map(opt => opt.trim()).filter(opt => opt);
}
}
return [];
}
// Check if an option is selected for multiselect filters
isOptionSelected(filter: any, option: string): boolean {
if (!filter.value) {
return false;
}
if (Array.isArray(filter.value)) {
return filter.value.includes(option);
}
return filter.value === option;
}
// Handle base filter changes
onBaseFilterChange(filter: any): void {
console.log('Base filter changed:', filter);
// Refresh data when filter changes
this.fetchChartData();
}
// Handle drilldown filter changes
onDrilldownFilterChange(filter: any): void {
console.log('Drilldown filter changed:', filter);
// Refresh data when filter changes
this.fetchChartData();
}
// Handle layer filter changes
onLayerFilterChange(filter: any): void {
console.log('Layer filter changed:', filter);
// Refresh data when filter changes
this.fetchChartData();
}
// Handle multiselect changes
onMultiSelectChange(filter: any, option: string, event: any): void {
const checked = event.target.checked;
// Initialize filter.value as array if it's not already
if (!Array.isArray(filter.value)) {
filter.value = [];
}
if (checked) {
// Add option to array if not already present
if (!filter.value.includes(option)) {
filter.value.push(option);
}
} else {
// Remove option from array
filter.value = filter.value.filter((item: string) => item !== option);
}
// Refresh data when filter changes
this.fetchChartData();
}
// Handle date range changes
onDateRangeChange(filter: any, dateRange: { start: string | null, end: string | null }): void {
filter.value = dateRange;
// Refresh data when filter changes
this.fetchChartData();
}
// Handle toggle changes
onToggleChange(filter: any, checked: boolean): void {
filter.value = checked;
// Refresh data when filter changes
this.fetchChartData();
}
// Toggle multiselect dropdown visibility
toggleMultiselect(filter: any, context: string): void {
const filterId = `${context}-${filter.field}`;
if (this.isMultiselectOpen(filter, context)) {
this.openMultiselects.delete(filterId);
} else {
// Close all other multiselects first
this.openMultiselects.clear();
this.openMultiselects.set(filterId, context);
// Add document click handler to close dropdown when clicking outside
this.addDocumentClickHandler();
}
}
// Add document click handler to close dropdowns when clicking outside
private addDocumentClickHandler(): void {
if (!this.documentClickHandler) {
this.documentClickHandler = (event: MouseEvent) => {
const target = event.target as HTMLElement;
// Check if click is outside any multiselect dropdown
if (!target.closest('.multiselect-container')) {
this.openMultiselects.clear();
this.removeDocumentClickHandler();
}
};
// Use setTimeout to ensure the click event that opened the dropdown doesn't immediately close it
setTimeout(() => {
document.addEventListener('click', this.documentClickHandler!);
}, 0);
}
}
// Remove document click handler
private removeDocumentClickHandler(): void {
if (this.documentClickHandler) {
document.removeEventListener('click', this.documentClickHandler);
this.documentClickHandler = null;
}
}
// Check if multiselect dropdown is open
isMultiselectOpen(filter: any, context: string): boolean {
const filterId = `${context}-${filter.field}`;
return this.openMultiselects.has(filterId);
}
// Get count of selected options for a multiselect filter
getSelectedOptionsCount(filter: any): number {
if (!filter.value) {
return 0;
}
if (Array.isArray(filter.value)) {
return filter.value.length;
}
return 0;
}
// Clear all filters
clearAllFilters(): void {
// Clear base filters
if (this.baseFilters) {
this.baseFilters.forEach(filter => {
if (filter.type === 'multiselect') {
filter.value = [];
} else if (filter.type === 'date-range') {
filter.value = { start: null, end: null };
} else if (filter.type === 'toggle') {
filter.value = false;
} else {
filter.value = '';
}
});
}
// Clear drilldown filters
if (this.drilldownFilters) {
this.drilldownFilters.forEach(filter => {
if (filter.type === 'multiselect') {
filter.value = [];
} else if (filter.type === 'date-range') {
filter.value = { start: null, end: null };
} else if (filter.type === 'toggle') {
filter.value = false;
} else {
filter.value = '';
}
});
}
// Clear layer filters
if (this.drilldownLayers) {
this.drilldownLayers.forEach(layer => {
if (layer.filters) {
layer.filters.forEach((filter: any) => {
if (filter.type === 'multiselect') {
filter.value = [];
} else if (filter.type === 'date-range') {
filter.value = { start: null, end: null };
} else if (filter.type === 'toggle') {
filter.value = false;
} else {
filter.value = '';
}
});
}
});
}
// Close all multiselect dropdowns
this.openMultiselects.clear();
// Refresh data
this.fetchChartData();
}
fetchChartData(): void {
// Set flag to prevent recursive calls
this.isFetchingData = true;
@ -661,6 +982,12 @@ export class BarChartComponent implements OnInit, OnChanges, OnDestroy {
this.originalBarChartLabels = [];
this.originalBarChartData = [];
// Clear multiselect tracking
this.openMultiselects.clear();
// Remove document click handler
this.removeDocumentClickHandler();
console.log('BarChartComponent destroyed and cleaned up');
}
}

View File

@ -246,9 +246,9 @@
</div>
<div class="clr-row">
<div class="clr-col-8">
<!-- <div class="clr-col-8">
<h3>{{charttitle || 'Data Grid'}}</h3>
</div>
</div> -->
<!-- Add drilldown navigation controls -->
<div class="clr-col-4" *ngIf="drilldownEnabled && drilldownStack.length > 0" style="text-align: right;">
<button class="btn btn-sm btn-link" (click)="navigateBack()">