angular2gridsterv3
Version:
62 lines • 10.8 kB
JavaScript
import { of, fromEvent, merge } from 'rxjs';
import { debounceTime, map, distinctUntilChanged } from 'rxjs/operators';
export class GridsterOptions {
constructor(config, gridsterElement) {
this.defaults = {
lanes: 5,
direction: 'horizontal',
widthHeightRatio: 1,
shrink: false,
responsiveView: true,
responsiveSizes: false,
responsiveToParent: false,
dragAndDrop: true,
resizable: false,
useCSSTransforms: false,
floating: true,
tolerance: 'pointer'
};
this.responsiveOptions = [];
this.breakpointsMap = {
sm: 576,
md: 768,
lg: 992,
xl: 1200 // Extra large
};
const responsiveContainer = config.responsiveToParent ? gridsterElement : window;
this.basicOptions = config;
this.responsiveOptions = this.extendResponsiveOptions(config.responsiveOptions || []);
this.change = merge(of(this.getOptionsByWidth(this.getElementWidth(responsiveContainer))), fromEvent(window, 'resize').pipe(debounceTime(config.responsiveDebounce || 0), map((event) => this.getOptionsByWidth(this.getElementWidth(responsiveContainer))))).pipe(distinctUntilChanged(null, (options) => options.minWidth));
}
getOptionsByWidth(width) {
let i = 0;
let options = Object.assign({}, this.defaults, this.basicOptions);
while (this.responsiveOptions[i]) {
if (this.responsiveOptions[i].minWidth <= width) {
options = this.responsiveOptions[i];
}
i++;
}
return options;
}
extendResponsiveOptions(responsiveOptions) {
return responsiveOptions
// responsive options are valid only with "breakpoint" property
.filter(options => options.breakpoint)
// set default minWidth if not given
.map((options) => {
return Object.assign({
minWidth: this.breakpointsMap[options.breakpoint] || 0
}, options);
})
.sort((curr, next) => curr.minWidth - next.minWidth)
.map((options) => Object.assign({}, this.defaults, this.basicOptions, options));
}
getElementWidth($element) {
if ($element === window) {
return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
}
return $element.clientWidth;
}
}
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gridsterElement : window;\r\n\r\n        this.basicOptions = config;\r\n        this.responsiveOptions = this.extendResponsiveOptions(config.responsiveOptions || []);\r\n\r\n        this.change = merge(\r\n                of(this.getOptionsByWidth(this.getElementWidth(responsiveContainer))),\r\n                fromEvent(window, 'resize').pipe(\r\n                    debounceTime(config.responsiveDebounce || 0),\r\n                    map((event: Event) => this.getOptionsByWidth(this.getElementWidth(responsiveContainer)))\r\n                )\r\n            ).pipe(distinctUntilChanged(null, (options: any) => options.minWidth));\r\n    }\r\n\r\n    getOptionsByWidth(width: number): IGridsterOptions {\r\n        let i = 0;\r\n        let options: IGridsterOptions = Object.assign({}, this.defaults, this.basicOptions);\r\n\r\n        while (this.responsiveOptions[i]) {\r\n            if (this.responsiveOptions[i].minWidth <= width) {\r\n                options = this.responsiveOptions[i];\r\n            }\r\n            i++;\r\n        }\r\n\r\n        return options;\r\n    }\r\n\r\n    private extendResponsiveOptions(responsiveOptions: Array<IGridsterOptions>): Array<IGridsterOptions> {\r\n        return responsiveOptions\r\n            // responsive options are valid only with \"breakpoint\" property\r\n            .filter(options => options.breakpoint)\r\n            // set default minWidth if not given\r\n            .map((options) => {\r\n                return Object.assign({\r\n                    minWidth: this.breakpointsMap[options.breakpoint] || 0\r\n                }, options);\r\n            })\r\n            .sort((curr, next) => curr.minWidth - next.minWidth)\r\n            .map((options) => <IGridsterOptions>Object.assign({}, this.defaults, this.basicOptions, options));\r\n    }\r\n\r\n    private getElementWidth($element: any) {\r\n        if ($element === window) {\r\n            return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;\r\n        }\r\n\r\n        return $element.clientWidth;\r\n    }\r\n}\r\n"]}