simulate chart toolbar actions ...

projects/x-framework-components/src/lib/x-chart/x-chart.component.ts

@@ -2,8 +2,8 @@ import {
   Component,
   ViewChild,
   ElementRef,
-  ChangeDetectionStrategy,
   HostListener,
+  ChangeDetectionStrategy,
 } from '@angular/core';
 import {
   nameof,
@@ -122,6 +122,40 @@ export class XChartComponent extends XChartContainerComponent {
       this.registerActionProvider();
     }
 
+    //
+    // Available Action Bar Items Changed ...
+    const isAvailableActionBarItemsChanged = changeKeys.includes(
+      nameof<XChartComponent>('availableActionBarItems')
+    );
+    if (isAvailableActionBarItemsChanged) {
+      //
+      if (isNullOrUndefined(this.availableActionBarItems)) {
+        this.availableActionBarItems = this.propertyProvider.availableActionBarItems;
+      }
+
+      //
+      await this.prepareActionBar();
+    }
+
+    //
+    // Zoom Step ...
+    const isZoomStepChanged = changeKeys.includes(
+      nameof<XChartComponent>('zoomStep')
+    );
+    if (isZoomStepChanged) {
+      //
+      let zoomStep = await this.getValueAsync(this.zoomStep);
+      if (isNullOrUndefined(zoomStep) ||
+        zoomStep < 0 ||
+        zoomStep > 1
+      ) {
+        this.zoomStep = 0.125;
+      }
+
+      //
+      zoomStep = await this.getValueAsync(this.zoomStep);
+    }
+
     //
     // Check Auto Update ...
     var autoUpdate = await this.getValueAsync(this.autoUpdate);
@@ -207,47 +241,82 @@ export class XChartComponent extends XChartContainerComponent {
     }
 
     //
-    switch (
+    switch (model.action) {
-      model.action
       //
-      // case this.ActionBarItems.ChangeMode:
+      // Print ...
-      //   this.handleActionModeFired(model.event);
+      case XChartActionBarItem.Print:
-      //   break;
+        await this.handlePrint();
+        break;
 
-      // //
+      //
-      // case this.ActionBarItems.ChangeTheme:
+      // Export As CSV ...
-      //   this.handleActionThemFired(model.event);
+      case XChartActionBarItem.ExportAsCSV:
-      //   break;
+        await this.handleExportAsCSV();
+        break;
 
-      // //
+      //
-      // case this.ActionBarItems.Close:
+      // Export As PNG ...
-      //   this.closeTab(this.currentTab);
+      case XChartActionBarItem.ExportAsPNG:
-      //   break;
+        await this.handleExportAsPng();
+        break;
 
-      // //
+      //
-      // case this.ActionBarItems.Undo:
+      // Export As SVG ...
-      //   this.undo();
+      case XChartActionBarItem.ExportAsSVG:
-      //   break;
+        await this.handleExportAsSVG();
+        break;
 
-      // //
+      //
-      // case this.ActionBarItems.Redo:
+      // Zoom In ...
-      //   this.redo();
+      case XChartActionBarItem.ZoomIn:
-      //   break;
+        await this.handleZoomIn();
+        break;
 
-      // //
+      //
-      // case this.ActionBarItems.Beautify:
+      // Zoom Out ...
-      //   await this.beautifyCode();
+      case XChartActionBarItem.ZoomOut:
-      //   break;
+        await this.handleZoomOut();
+        break;
 
-      // //
+      //
-      // case this.ActionBarItems.Save:
+      // Zoom Selection ...
-      //   //
+      case XChartActionBarItem.ZoomSelection:
-      //   this.updateCurrentTabDescriptor({
+        break;
-      //     canSave: false,
+
-      //   });
+      //
-      //   this.prepareActionBar();
+      // X Selection ...
-      //   break;
+      case XChartActionBarItem.XSelection:
-    ) {
+        break;
+
+      //
+      // Y Selection ...
+      case XChartActionBarItem.YSelection:
+        break;
+
+      //
+      // XY Selection ...
+      case XChartActionBarItem.XYSelection:
+        break;
+
+      //
+      // Pan ...
+      case XChartActionBarItem.Pan:
+        await this.handlePan();
+        break;
+
+      //
+      // ResetChart ...
+      case XChartActionBarItem.ResetChart:
+        await this.handleResetChart();
+        break;
+
+      //
+      // ToggleFullScreen ...
+      case XChartActionBarItem.ToggleFullScreen:
+        await this.handleToggleFullscreen();
+        break;
+
+      //
     }
 
     //
@@ -308,6 +377,222 @@ export class XChartComponent extends XChartContainerComponent {
   }
   //#endregion
 
+  //
+  //#region Toolbar Actions ...
+  async handleExportAsPng() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    await this.export('png');
+  }
+
+  async handleExportAsSVG() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    await this.export('svg');
+  }
+
+  async handleExportAsCSV() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    await this.export('csv');
+  }
+
+  async handleZoomIn() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    var zoomStep = await this.getValueAsync(this.zoomStep);
+
+    //
+    const state = this.chartInstance.getState();
+    const minX = state.minX;
+    const maxX = state.maxX;
+    const rangeIn = maxX - minX;
+
+    //
+    await this.chartInstance.zoomX(minX + rangeIn * zoomStep, maxX - rangeIn * zoomStep);
+  }
+
+  async handleZoomOut() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    var zoomStep = await this.getValueAsync(this.zoomStep);
+
+    //
+    const state = this.chartInstance.getState();
+    const minX = state.minX;
+    const maxX = state.maxX;
+    const rangeIn = maxX - minX;
+
+    //
+    await this.chartInstance.zoomX(minX - rangeIn * zoomStep, maxX + rangeIn * zoomStep);
+  }
+
+  async handlePan() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    await this.chartInstance.updateOptions({
+      chart: {
+        zoom: {
+          enabled: false
+        },
+        selection: {
+          type: 'x',
+          enabled: true,
+        },
+      }
+    });
+  }
+
+  async handleResetChart() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    this.chartInstance.resetSeries(true, true);
+  }
+
+  async handlePrint() {
+    //
+    if (isNullOrUndefined(this.chartInstance)) {
+      return;
+    }
+
+    //
+    try {
+      //
+      const result = await this.chartInstance.dataURI();
+      if ('imgURI' in result) {
+        //
+        const imgURI = result.imgURI;
+        const printWindow = window.open('', '_blank');
+        if (printWindow) {
+          //
+          // Write Data Uri on a Page for Printing ...          
+          printWindow.document.write(`
+          <!DOCTYPE html>
+          <html>
+            <head>
+              <title>Print Chart</title>
+              <style>
+                body {
+                  margin: 0;
+                  padding: 20px;
+                  display: flex;
+                  justify-content: center;
+                  align-items: center;
+                  min-height: 100vh;
+                }
+                img {
+                  max-width: 100%;
+                  height: auto;
+                }
+                @media print {
+                  body {
+                    margin: 0;
+                  }
+                  img {
+                    max-width: 100%;
+                    page-break-inside: avoid;
+                  }
+                }
+              </style>
+            </head>
+            <body>
+              <img src="${imgURI}" alt="Chart" />
+              <script>
+                window.onload = function() {
+                  window.print();
+                  window.onafterprint = function() {
+                    window.close();
+                  };
+                };
+              </script>
+            </body>
+          </html>
+        `);
+
+          //
+          printWindow.document.close();
+        }
+      }
+    } catch (error) {
+    }
+  }
+
+  async handleToggleFullscreen() {
+    //
+    if (isNullOrUndefined(this.chartInstance) ||
+      isNullOrUndefined(this.chartContainer) ||
+      isNullOrUndefined(this.chartContainer.nativeElement)
+    ) {
+      return;
+    }
+
+    //
+    const chartWrapper = this.chartContainer.nativeElement;
+    const doc = document as any;
+
+    //
+    // Check if the chart wrapper is currently in fullscreen mode
+    const isFullscreen =
+      doc.fullscreenElement === chartWrapper ||
+      doc.msFullscreenElement === chartWrapper ||
+      doc.mozFullScreenElement === chartWrapper ||
+      doc.webkitFullscreenElement === chartWrapper;
+    if (!isFullscreen) {
+      //
+      // Enter Fullscreen
+      if (chartWrapper.requestFullscreen) {
+        await chartWrapper.requestFullscreen();
+      } else if (chartWrapper.webkitRequestFullscreen) {
+        await chartWrapper.webkitRequestFullscreen();
+      } else if (chartWrapper.mozRequestFullScreen) {
+        await chartWrapper.mozRequestFullScreen();
+      } else if (chartWrapper.msRequestFullscreen) {
+        await chartWrapper.msRequestFullscreen();
+      }
+    } else {
+      //
+      // Exit Fullscreen
+      if (doc.exitFullscreen) {
+        await doc.exitFullscreen();
+      } else if (doc.webkitExitFullscreen) {
+        await doc.webkitExitFullscreen();
+      } else if (doc.mozCancelFullScreen) {
+        await doc.mozCancelFullScreen();
+      } else if (doc.msExitFullscreen) {
+        await doc.msExitFullscreen();
+      }
+    }
+  }
+  //#endregion
+
   //
   //#region Private ...
   private async initializeComponent() {

projects/x-framework-components/src/lib/x-chart/x-chart.typings.ts

@@ -22,27 +22,26 @@ import {
   XCardActionModel,
   XComponentCardContainer,
   IXComponentCardContainer,
-  XComponentCardContainerComponent,
 } from '../x-card/x-card.typings';
-import { concatMap, map } from 'rxjs/operators';
+import { map } from 'rxjs/operators';
+import {
+  XBaseContainer,
+  XBaseContainerComponent,
+} from '../classes/i-x-base.container';
+import {
+  XActionBarItem,
+  XActionBarActionModel,
+  XActionBarActionFiredModel,
+  XComponentActionBarContainer,
+  IXComponentActionBarContainer,
+} from '../x-action-bar/x-action-bar.typings';
 import { forkJoin, Observable, Subject } from 'rxjs';
 import { ViewportRuler } from '@angular/cdk/overlay';
 import { XManagerService } from 'x-framework-services';
 import { XBaseActionModel } from '../classes/x-base-action.model';
 import { X_FRAMEWORK_COMPONENTS_CONFIG } from '../tokens/x-injectable-tokens';
-import { XFrameworkComponentsConfig } from '../config/x-framework-components.config';
-import {
-  IXComponentActionBarContainer,
-  XActionBarActionFiredModel,
-  XActionBarActionModel,
-  XActionBarItem,
-  XComponentActionBarContainer,
-} from '../x-action-bar/x-action-bar.typings';
 import { XPopoverPresentOptions } from '../dialogs/x-popover/x-popover.typings';
-import {
+import { XFrameworkComponentsConfig } from '../config/x-framework-components.config';
-  XBaseContainer,
-  XBaseContainerComponent,
-} from '../classes/i-x-base.container';
 
 //
 //#region Chart ...
@@ -3300,8 +3299,7 @@ export interface IXChartContainer extends TXChartContainer {
   autoUpdate: XStandardType<boolean>;
   options: XStandardType<XChartOptions>;
   series: XStandardType<XChartSeriesType>;
-
+  zoomStep: XStandardType<number>;
-  //
   type: XStandardType<XChartTypeIdentifier>;
 
   //
@@ -3324,14 +3322,16 @@ export interface IXChartContainer extends TXChartContainer {
 })
 export class XChartContainer
   extends XBaseContainer
-  implements Readonly<IXChartContainer>
+  implements Readonly<IXChartContainer> {
-{
+  //
+  readonly actionProvider = new Subject<XChartActionModel>();
+  readonly cssClass: XStandardType<XOneOrManyType<string>>;
+
   //
   readonly options: XStandardType<XChartOptions>;
+  readonly zoomStep: XStandardType<number> = 0.125;
   readonly series: XStandardType<XChartSeriesType>;
   readonly autoUpdate: XStandardType<boolean> = true;
-  readonly cssClass: XStandardType<XOneOrManyType<string>>;
-  readonly actionProvider = new Subject<XChartActionModel>();
   readonly type: XStandardType<XChartTypeIdentifier> = XChartType.Line;
 
   //
@@ -3403,8 +3403,7 @@ export class XChartContainer
 @Component({ template: `` })
 export abstract class XChartContainerComponent
   extends XBaseContainerComponent
-  implements IXChartContainer
+  implements IXChartContainer {
-{
   //
   //#region Props ...
   @Input()
@@ -3427,6 +3426,9 @@ export abstract class XChartContainerComponent
   @Input()
   series: XStandardType<XChartSeriesType> = this.propertyProvider.series;
 
+  @Input()
+  zoomStep: XStandardType<number> = this.propertyProvider.zoomStep;
+
   @Input()
   autoUpdate: XStandardType<boolean> = this.propertyProvider.autoUpdate;