egroupware/api/js/etemplate/et2_dataview_view_spacer.js

/**
 * EGroupware eTemplate2 - Class which contains the spacer container
 *
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @package etemplate
 * @subpackage dataview
 * @link https://www.egroupware.org
 * @author Andreas Stöckel
 * @copyright EGroupware GmbH 2011-2021
 */
/*egw:uses
    /vendor/bower-asset/jquery/dist/jquery.js;
    et2_dataview_view_container;
*/
import { et2_dataview_container } from "./et2_dataview_view_container";
/**
 * @augments et2_dataview_container
 */
export class et2_dataview_spacer extends et2_dataview_container {
    /**
     * Constructor
     *
     * @param _parent
     * @param _rowProvider
     * @memberOf et2_dataview_spacer
     */
    constructor(_parent, _rowProvider) {
        // Call the inherited container constructor
        super(_parent);
        // Initialize the row count and the row height
        this._count = 0;
        this._rowHeight = 19;
        this._avgSum = 0;
        this._avgCount = 0;
        // Get the spacer row and append it to the container
        this.spacerNode = _rowProvider.getPrototype("spacer", this._createSpacerPrototype, this);
        this._phDiv = jQuery("td", this.spacerNode);
        this.appendNode(this.spacerNode);
    }
    setCount(_count, _rowHeight) {
        // Set the new count and _rowHeight if given
        this._count = _count;
        if (typeof _rowHeight !== "undefined") {
            this._rowHeight = _rowHeight;
        }
        // Update the element height
        this._phDiv.height(this._count * this._rowHeight);
        // Call the invalidate function
        this.invalidate();
    }
    getCount() {
        return this._count;
    }
    getHeight() {
        // Set the calculated height, so that "invalidate" will work correctly
        this._height = this._count * this._rowHeight;
        return this._height;
    }
    getAvgHeightData() {
        if (this._avgCount > 0) {
            return {
                "avgHeight": this._avgSum / this._avgCount,
                "avgCount": this._avgCount
            };
        }
        return null;
    }
    addAvgHeight(_height) {
        this._avgSum += _height;
        this._avgCount++;
    }
    /* ---- PRIVATE FUNCTIONS ---- */
    _createSpacerPrototype(_outerId, _columnIds) {
        var tr = jQuery(document.createElement("tr"));
        var td = jQuery(document.createElement("td"))
            .addClass("egwGridView_spacer")
            .addClass(_outerId + "_spacer_fullRow")
            .attr("colspan", _columnIds.length)
            .appendTo(tr);
        return tr;
    }
}
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