devextreme/dist/transpiled/viz/funnel/tooltip.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var noop = require("../../core/utils/common").noop;

function getCoords(figureCoords, renderer) {
    var offset = renderer.getRootOffset();

    return [(figureCoords[0] + figureCoords[2]) / 2 + offset.left, (figureCoords[1] + figureCoords[5]) / 2 + offset.top];
}

exports.plugin = {
    name: "funnel-tooltip",
    init: noop,
    dispose: noop,

    extenders: {
        _buildNodes: function _buildNodes() {
            this.hideTooltip();
        },

        _change_TILING: function _change_TILING() {
            if (this._tooltipIndex >= 0) {
                this._moveTooltip(this._items[this._tooltipIndex]);
            }
        }
    },

    members: {
        hideTooltip: function hideTooltip() {
            if (this._tooltipIndex >= 0) {
                this._tooltipIndex = -1;
                this._tooltip.hide();
            }
        },

        _moveTooltip: function _moveTooltip(item, coords) {
            var xy = coords || item.coords && getCoords(item.coords, this._renderer) || [-1000, -1000];

            this._tooltip.move(xy[0], xy[1], 0);
        },

        _showTooltip: function _showTooltip(index, coords) {
            var that = this,
                tooltip = that._tooltip,
                item = that._items[index],
                state = that._tooltipIndex === index || tooltip.show({
                value: item.value,
                valueText: tooltip.formatValue(item.value),
                percentText: tooltip.formatValue(item.percent, "percent"),
                percent: item.percent,
                item: item
            }, { x: 0, y: 0, offset: 0 }, { item: item });

            if (state) {
                that._moveTooltip(item, coords);
            } else {
                tooltip.hide();
            }
            that._tooltipIndex = state ? index : -1;
        }
    },
    customize: function customize(constructor) {
        constructor.addPlugin(require("../core/tooltip").plugin);
    }
};