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import { IFilterable } from './ifilterable';

import { IReportNode } from './report';

import { VisualDescriptor } from './visualDescriptor';

import * as models from 'powerbi-models';

/**

* A Page node within a report hierarchy

*

* @export

* @interface IPageNode

*/

export interface IPageNode {

report: IReportNode;

name: string;

}

/**

* A Power BI report page

*

* @export

* @class Page

* @implements {IPageNode}

* @implements {IFilterable}

*/

export class Page implements IPageNode, IFilterable {

/**

* The parent Power BI report that this page is a member of

*

* @type {IReportNode}

*/

report: IReportNode;

/**

* The report page name

*

* @type {string}

*/

name: string;

/**

* The user defined display name of the report page, which is undefined if the page is created manually

*

* @type {string}

*/

displayName: string;

/**

* Is this page is the active page

*

* @type {boolean}

*/

isActive: boolean;

/**

* The visibility of the page.

* 0 - Always Visible

* 1 - Hidden in View Mode

*

* @type {models.SectionVisibility}

*/

visibility: models.SectionVisibility;

/**

* Creates an instance of a Power BI report page.

*

* @param {IReportNode} report

* @param {string} name

* @param {string} [displayName]

* @param {boolean} [isActivePage]

* @param {models.SectionVisibility} [visibility]

*/

constructor(report: IReportNode, name: string, displayName?: string, isActivePage?: boolean, visibility?: models.SectionVisibility) {

this.report = report;

this.name = name;

this.displayName = displayName;

this.isActive = isActivePage;

this.visibility = visibility;

}

/**

* Gets all page level filters within the report.

*

* ```javascript

* page.getFilters()

* .then(filters => { ... });

* ```

*

* @returns {(Promise<models.IFilter[]>)}

*/

getFilters(): Promise<models.IFilter[]> {

return this.report.service.hpm.get<models.IFilter[]>(`/report/pages/${this.name}/filters`, { uid: this.report.config.uniqueId }, this.report.iframe.contentWindow)

.then(response => response.body,

response => {

throw response.body;

});

}

/**

* Removes all filters from this page of the report.

*

* ```javascript

* page.removeFilters();

* ```

*

* @returns {Promise<void>}

*/

removeFilters(): Promise<void> {

return this.setFilters([]);

}

/**

* Makes the current page the active page of the report.

*

* ```javascripot

* page.setActive();

* ```

*

* @returns {Promise<void>}

*/

setActive(): Promise<void> {

const page: models.IPage = {

name: this.name,

displayName: null,

isActive: true

};

return this.report.service.hpm.put<models.IError[]>('/report/pages/active', page, { uid: this.report.config.uniqueId }, this.report.iframe.contentWindow)

.catch(response => {

throw response.body;

});

}

/**

* Sets all filters on the current page.

*

* ```javascript

* page.setFilters(filters);

* .catch(errors => { ... });

* ```

*

* @param {(models.IFilter[])} filters

* @returns {Promise<void>}

*/

setFilters(filters: models.IFilter[]): Promise<void> {

return this.report.service.hpm.put<models.IError[]>(`/report/pages/${this.name}/filters`, filters, { uid: this.report.config.uniqueId }, this.report.iframe.contentWindow)

.catch(response => {

throw response.body;

});

}

/**

* Gets all the visuals on the page.

*

* ```javascript

* page.getVisuals()

* .then(visuals => { ... });

* ```

*

* @returns {Promise<VisualDescriptor[]>}

*/

getVisuals(): Promise<VisualDescriptor[]> {

return this.report.service.hpm.get<models.IVisual[]>(`/report/pages/${this.name}/visuals`, { uid: this.report.config.uniqueId }, this.report.iframe.contentWindow)

.then(response => {

return response.body

.map(visual => {

return new VisualDescriptor(this, visual.name, visual.title, visual.type, visual.layout);

});

}, response => {

throw response.body;

});

}

/**

* Checks if page has layout.

*

* ```javascript

* page.hasLayout(layoutType)

* .then(hasLayout: boolean => { ... });

* ```

*

* @returns {(Promise<boolean>)}

*/

hasLayout(layoutType): Promise<boolean> {

let layoutTypeEnum = models.LayoutType[layoutType];

return this.report.service.hpm.get<boolean>(`/report/pages/${this.name}/layoutTypes/${layoutTypeEnum}`, { uid: this.report.config.uniqueId }, this.report.iframe.contentWindow)

.then(response => response.body,

response => {

throw response.body;

});

}

}