perf(module: picker): perf delete default data in component. (#272)

NG-ZORRO · Jan 31, 2019 · ec748c3 · ec748c3 · Guoyuanqiang · Jan 31, 2019
1 parent 8759db0
commit ec748c3
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Showing 10 changed files with 163 additions and 3,720 deletions.
diff --git a/components/picker-view/picker-view.component.html b/components/picker-view/picker-view.component.html
@@ -1,5 +1,5 @@
 <div #picker class="am-picker" style="flex-direction: row; align-items: center;">
-  <div *ngFor="let item of data; let i = index" class="am-picker-col">
+  <div *ngFor="let item of dataForRender; let i = index" class="am-picker-col">
     <div #indicator class="am-picker-col-indicator " [ngStyle]="indicatorStyle"></div>
     <div id={{i}} class="am-picker-col-mask" style="background-size: 100% 102px;"></div>
     <div class="am-picker-col-content">

diff --git a/components/picker-view/picker-view.component.ts b/components/picker-view/picker-view.component.ts
@@ -33,6 +33,20 @@ export class PickerViewComponent extends PickerComponent implements OnInit, Afte
     this.init();
   }
 
+  init() {
+    this.selectedTarget = [];
+    if (this.dataForRender.length === 0 && this.generateArrayData(this.options.data).length > 0) {
+      this.dataForRender.push(this.generateArrayData(this.options.data));
+    }
+    if (this.options.value.length > 0) {
+      this.getInitValueIndex(this.dataForRender);
+    } else {
+      for (let index = 0; index < this.dataForRender.length; index++) {
+        this.selectedTarget.push({ targetId: `${index}`, currentY: 0 });
+      }
+    }
+  }
+
   writeValue(value: any[]): void {
     if (value) {
       this.options.value = value;