Syinpo/picsScroller
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dont't refresh visual when no changes

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沐见南 2020-09-11 22:10:53 +08:00
parent 932657df6d
commit 0f4fff4486
1 changed files with 34 additions and 8 deletions
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42
src/visual.ts
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@ -51,6 +51,8 @@ export class Visual implements IVisual {
private selectionManager: powerbi.extensibility.ISelectionManager;
private innerContainer!: HTMLDivElement;
private animationPlaying: boolean = true;//控制动画暂停
private data:IPicsScrollerData;
private containerSize:number[];
constructor(options: VisualConstructorOptions) {
this.container = options.element;
this.host=options.host;
@ -73,28 +75,30 @@ export class Visual implements IVisual {
this.container.appendChild(this.innerContainer);
}
public update(options: VisualUpdateOptions) {
let settings = Visual.parseSettings(options && options.dataViews && options.dataViews[0]);
this.settings=settings;
this.initial();
//处理输入
let settings = Visual.parseSettings(options && options.dataViews && options.dataViews[0]);
let data: IPicsScrollerData = { urls: <string[]>options.dataViews[0].categorical.categories[0].values };
let containerSize=[options.viewport.width,options.viewport.height];
//处理输入
//feet
settings.animation.stepLength=(settings.animation.stepLength>=0&&settings.animation.stepLength<=100)?settings.animation.stepLength:1;
let feet = options.viewport.width / 100 * settings.animation.stepLength;
//interval
settings.animation.interval=settings.animation.interval>0?settings.animation.interval:100;
let interval = this.settings.animation.interval;
let interval = settings.animation.interval;
//rowGap
settings.layout.rowGap=(settings.layout.rowGap>=0&&settings.layout.rowGap<=100)?settings.layout.rowGap:0;
let rowGap = options.viewport.height / 100 * settings.layout.rowGap;
//columnGap
settings.layout.columnGap=(settings.layout.columnGap>=0&&settings.layout.columnGap<=100)?settings.layout.columnGap:0;
let columnGap = options.viewport.width / 100 * this.settings.layout.columnGap;
let columnGap = options.viewport.width / 100 * settings.layout.columnGap;
//rowsCount
settings.layout.rowsCount=settings.layout.rowsCount>=1?Math.floor(settings.layout.rowsCount):1;
let rowsCount=this.settings.layout.rowsCount;
let rowsCount=settings.layout.rowsCount;
if (!(data.urls.length > 0) || !(rowsCount! > 0)) {
console.info("picsScroller error: (source_url.length,rowsCount) ", data.urls.length + "_" + rowsCount);
@ -103,6 +107,28 @@ export class Visual implements IVisual {
if (rowsCount > data.urls.length) {
rowsCount = data.urls.length;
};
console.debug("data",JSON.stringify(data));
console.debug("this.data",JSON.stringify(this.data));
console.debug("settings",JSON.stringify(settings));
console.debug("this.settings",JSON.stringify(this.settings));
console.debug("containerSize",JSON.stringify(containerSize));
console.debug("this.containerSize",JSON.stringify(this.containerSize));
let justifyEqual=function(a:any,b:any){
return JSON.stringify(a)==JSON.stringify(b);
};
//判断是否完全无需刷新
if(justifyEqual(this.data,data)&&justifyEqual(this.settings,settings)&&justifyEqual(this.containerSize,containerSize)){
return;
}
//必要的类
this.initial();
this.data=data;
this.settings=settings;
this.containerSize=containerSize;
//数据转换
let brandsCount = data.urls.length;
let unitsCountPerRow = Math.floor(brandsCount / rowsCount);
let logoUrlsArr: string[][] = [];