devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
81 lines (79 loc) • 2.34 kB
JavaScript
/**
* DevExtreme (esm/viz/tree_map/tooltip.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
expand
} from "../core/helpers";
import TreeMapBase from "./tree_map.base";
const proto = TreeMapBase.prototype;
import "./api";
expand(proto, "_extendProxyType", (function(proto) {
const that = this;
proto.showTooltip = function(coords) {
that._showTooltip(this._id, coords)
}
}));
expand(proto, "_onNodesCreated", (function() {
if (this._tooltipIndex >= 0) {
this._tooltip.hide()
}
this._tooltipIndex = -1
}));
expand(proto, "_onTilingPerformed", (function() {
if (this._tooltipIndex >= 0) {
this._moveTooltip(this._nodes[this._tooltipIndex])
}
}));
function getCoords(coords, rect, renderer) {
const offset = renderer.getRootOffset();
return coords || rect && [(rect[0] + rect[2]) / 2 + offset.left, (rect[1] + rect[3]) / 2 + offset.top] || [-1e3, -1e3]
}
proto._showTooltip = function(index, coords) {
const that = this;
const tooltip = that._tooltip;
const node = that._nodes[index];
if (that._tooltipIndex === index) {
that._moveTooltip(node, coords);
return
}
const callback = result => {
if (void 0 === result) {
return
}
if (!result) {
tooltip.hide()
}
that._tooltipIndex = result ? index : -1
};
const xy = getCoords(coords, node.rect, this._renderer);
callback(tooltip.show({
value: node.value,
valueText: tooltip.formatValue(node.value),
node: node.proxy
}, {
x: xy[0],
y: xy[1],
offset: 0
}, {
node: node.proxy
}, void 0, callback))
};
proto._moveTooltip = function(node, coords) {
const xy = getCoords(coords, node.rect, this._renderer);
this._tooltip.move(xy[0], xy[1], 0)
};
proto.hideTooltip = function() {
if (this._tooltipIndex >= 0) {
this._tooltipIndex = -1;
this._tooltip.hide()
}
};
import {
plugin as tooltipPlugin
} from "../core/tooltip";
TreeMapBase.addPlugin(tooltipPlugin);