devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
71 lines (70 loc) • 3.04 kB
JavaScript
/**
* DevExtreme (viz/tree_map/tiling.js)
* Version: 18.2.18
* Build date: Tue Oct 18 2022
*
* Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var _isFunction = require("../../core/utils/type").isFunction,
_normalizeEnum = require("../core/utils").normalizeEnum,
_round = Math.round,
algorithms = {},
defaultAlgorithm;
exports.getAlgorithm = function(value) {
return algorithms[_normalizeEnum(value)] || _isFunction(value) && value || defaultAlgorithm
};
exports.addAlgorithm = function(name, callback) {
algorithms[name] = callback
};
exports.setDefaultAlgorithm = function(name) {
defaultAlgorithm = algorithms[name]
};
var directionToIndexOffsets = {};
directionToIndexOffsets[-1] = [2, 0];
directionToIndexOffsets[1] = [0, 2];
var getStaticSideIndex = function(rect) {
return rect[2] - rect[0] < rect[3] - rect[1] ? 0 : 1
};
exports.getStaticSideIndex = getStaticSideIndex;
exports.buildSidesData = function(rect, directions, _staticSideIndex) {
var staticSideIndex = void 0 !== _staticSideIndex ? _staticSideIndex : getStaticSideIndex(rect),
variedSideIndex = 1 - staticSideIndex,
staticSideDirection = directions[staticSideIndex],
variedSideDirection = directions[variedSideIndex],
staticSideIndexOffsets = directionToIndexOffsets[staticSideDirection],
variedSideIndexOffsets = directionToIndexOffsets[variedSideDirection];
return {
staticSide: rect[2 + staticSideIndex] - rect[staticSideIndex],
variedSide: rect[2 + variedSideIndex] - rect[variedSideIndex],
static1: staticSideIndex + staticSideIndexOffsets[0],
static2: staticSideIndex + staticSideIndexOffsets[1],
varied1: variedSideIndex + variedSideIndexOffsets[0],
varied2: variedSideIndex + variedSideIndexOffsets[1],
staticDir: staticSideDirection,
variedDir: variedSideDirection
}
};
exports.calculateRectangles = function(nodes, head, totalRect, sidesData, rowData) {
var i, ii, rect, delta, variedSidePart = [0, 0, 0, 0],
static1 = sidesData.static1,
static2 = sidesData.static2,
position = totalRect[static1],
dir = sidesData.staticDir,
side = sidesData.staticSide,
sum = rowData.sum;
variedSidePart[sidesData.varied1] = totalRect[sidesData.varied1];
variedSidePart[sidesData.varied2] = totalRect[sidesData.varied1] + sidesData.variedDir * rowData.side;
for (i = head, ii = head + rowData.count; i < ii; ++i) {
rect = variedSidePart.slice();
rect[static1] = position;
delta = _round(side * nodes[i].value / sum) || 0;
sum -= nodes[i].value;
side -= delta;
position += dir * delta;
rect[static2] = position;
nodes[i].rect = rect
}
totalRect[sidesData.varied1] = variedSidePart[sidesData.varied2]
};