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File: vendors/gentelella/vendors/echarts/src/component/helper/sliderMove.js

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File: vendors/gentelella/vendors/echarts/src/component/helper/sliderMove.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Gentelella BladeOne
Render templates using Bootstrap for presentation
Author: By
Last change:
Date: 3 years ago
Size: 2,151 bytes
 

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define(function (require) { /** * Calculate slider move result. * * @param {number} delta Move length. * @param {Array.<number>} handleEnds handleEnds[0] and be bigger then handleEnds[1]. * handleEnds will be modified in this method. * @param {Array.<number>} extent handleEnds is restricted by extent. * extent[0] should less or equals than extent[1]. * @param {string} mode 'rigid': Math.abs(handleEnds[0] - handleEnds[1]) remain unchanged, * 'cross' handleEnds[0] can be bigger then handleEnds[1], * 'push' handleEnds[0] can not be bigger then handleEnds[1], * when they touch, one push other. * @param {number} handleIndex If mode is 'rigid', handleIndex is not required. * @param {Array.<number>} The input handleEnds. */ return function (delta, handleEnds, extent, mode, handleIndex) { if (!delta) { return handleEnds; } if (mode === 'rigid') { delta = getRealDelta(delta, handleEnds, extent); handleEnds[0] += delta; handleEnds[1] += delta; } else { delta = getRealDelta(delta, handleEnds[handleIndex], extent); handleEnds[handleIndex] += delta; if (mode === 'push' && handleEnds[0] > handleEnds[1]) { handleEnds[1 - handleIndex] = handleEnds[handleIndex]; } } return handleEnds; function getRealDelta(delta, handleEnds, extent) { var handleMinMax = !handleEnds.length ? [handleEnds, handleEnds] : handleEnds.slice(); handleEnds[0] > handleEnds[1] && handleMinMax.reverse(); if (delta < 0 && handleMinMax[0] + delta < extent[0]) { delta = extent[0] - handleMinMax[0]; } if (delta > 0 && handleMinMax[1] + delta > extent[1]) { delta = extent[1] - handleMinMax[1]; } return delta; } }; });