devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
237 lines (231 loc) • 8.37 kB
JavaScript
/**
* DevExtreme (esm/viz/gauges/base_range_container.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
each
} from "../../core/utils/iterator";
import {
BaseElement
} from "./base_indicators";
import {
isString
} from "../../core/utils/type";
var _Number = Number;
var _isArray = Array.isArray;
var _isFinite = isFinite;
var BaseRangeContainer = BaseElement.inherit({
_init: function() {
this._root = this._renderer.g().attr({
class: "dxg-range-container"
}).linkOn(this._container, "range-container")
},
_dispose: function() {
this._root.linkOff()
},
clean: function() {
this._root.linkRemove().clear();
this._options = this.enabled = null;
return this
},
_getRanges: function() {
var options = this._options;
var translator = this._translator;
var totalStart = translator.getDomain()[0];
var totalEnd = translator.getDomain()[1];
var totalDelta = totalEnd - totalStart;
var isValidSegment = totalDelta >= 0 ? isValidSegmentAsc : isValidSegmentDesc;
var subtractSegment = totalDelta >= 0 ? subtractSegmentAsc : subtractSegmentDesc;
var list;
var ranges = [];
var backgroundRanges = [{
start: totalStart,
end: totalEnd
}];
var backgroundColor = isString(options.backgroundColor) ? options.backgroundColor : "none";
var width = options.width || {};
var startWidth = _Number(width > 0 ? width : width.start);
var endWidth = _Number(width > 0 ? width : width.end);
var deltaWidth = endWidth - startWidth;
if (void 0 !== options.ranges && !_isArray(options.ranges)) {
return null
}
if (!(startWidth >= 0 && endWidth >= 0 && startWidth + endWidth > 0)) {
return null
}
list = (_isArray(options.ranges) ? options.ranges : []).reduce((result, rangeOptions, i) => {
rangeOptions = rangeOptions || {};
var start = translator.adjust(rangeOptions.startValue);
var end = translator.adjust(rangeOptions.endValue);
if (_isFinite(start) && _isFinite(end) && isValidSegment(start, end, rangeOptions)) {
result.push({
start: start,
end: end,
color: rangeOptions.color,
classIndex: i
})
}
return result
}, []);
var palette = this._themeManager.createPalette(options.palette, {
type: "indicatingSet",
extensionMode: options.paletteExtensionMode,
keepLastColorInEnd: true,
count: list.length
});
each(list, (function(_, item) {
var paletteColor = palette.getNextColor();
item.color = isString(item.color) && item.color || paletteColor || "none";
item.className = "dxg-range dxg-range-" + item.classIndex;
delete item.classIndex
}));
each(list, (function(_, item) {
var i;
var ii;
var sub;
var subs;
var range;
var newRanges = [];
var newBackgroundRanges = [];
for (i = 0, ii = ranges.length; i < ii; ++i) {
range = ranges[i];
subs = subtractSegment(range.start, range.end, item.start, item.end);
(sub = subs[0]) && (sub.color = range.color) && (sub.className = range.className) && newRanges.push(sub);
(sub = subs[1]) && (sub.color = range.color) && (sub.className = range.className) && newRanges.push(sub)
}
newRanges.push(item);
ranges = newRanges;
for (i = 0, ii = backgroundRanges.length; i < ii; ++i) {
range = backgroundRanges[i];
subs = subtractSegment(range.start, range.end, item.start, item.end);
(sub = subs[0]) && newBackgroundRanges.push(sub);
(sub = subs[1]) && newBackgroundRanges.push(sub)
}
backgroundRanges = newBackgroundRanges
}));
each(backgroundRanges, (function(_, range) {
range.color = backgroundColor;
range.className = "dxg-range dxg-background-range";
ranges.push(range)
}));
each(ranges, (function(_, range) {
range.startWidth = (range.start - totalStart) / totalDelta * deltaWidth + startWidth;
range.endWidth = (range.end - totalStart) / totalDelta * deltaWidth + startWidth
}));
return ranges
},
render: function(options) {
this._options = options;
this._processOptions();
this._ranges = this._getRanges();
if (this._ranges) {
this.enabled = true;
this._root.linkAppend()
}
return this
},
resize: function(layout) {
var that = this;
that._root.clear();
if (that._isVisible(layout)) {
each(that._ranges, (function(_, range) {
that._createRange(range, layout).attr({
fill: range.color,
class: range.className
}).append(that._root)
}))
}
return that
},
_processOptions: null,
_isVisible: null,
_createRange: null,
getColorForValue: function(value) {
var color = null;
each(this._ranges, (function(_, range) {
if (range.start <= value && value <= range.end || range.start >= value && value >= range.end) {
color = range.color;
return false
}
}));
return color
}
});
function subtractSegmentAsc(segmentStart, segmentEnd, otherStart, otherEnd) {
var result;
if (otherStart > segmentStart && otherEnd < segmentEnd) {
result = [{
start: segmentStart,
end: otherStart
}, {
start: otherEnd,
end: segmentEnd
}]
} else if (otherStart >= segmentEnd || otherEnd <= segmentStart) {
result = [{
start: segmentStart,
end: segmentEnd
}]
} else if (otherStart <= segmentStart && otherEnd >= segmentEnd) {
result = []
} else if (otherStart > segmentStart) {
result = [{
start: segmentStart,
end: otherStart
}]
} else if (otherEnd < segmentEnd) {
result = [{
start: otherEnd,
end: segmentEnd
}]
}
return result
}
function subtractSegmentDesc(segmentStart, segmentEnd, otherStart, otherEnd) {
var result;
if (otherStart < segmentStart && otherEnd > segmentEnd) {
result = [{
start: segmentStart,
end: otherStart
}, {
start: otherEnd,
end: segmentEnd
}]
} else if (otherStart <= segmentEnd || otherEnd >= segmentStart) {
result = [{
start: segmentStart,
end: segmentEnd
}]
} else if (otherStart >= segmentStart && otherEnd <= segmentEnd) {
result = []
} else if (otherStart < segmentStart) {
result = [{
start: segmentStart,
end: otherStart
}]
} else if (otherEnd > segmentEnd) {
result = [{
start: otherEnd,
end: segmentEnd
}]
}
return result
}
function areEqualValues(start, end, _ref) {
var {
startValue: startValue,
endValue: endValue
} = _ref;
return endValue === startValue && startValue === start && end === start
}
function isValidSegmentAsc(start, end, options) {
return end - start > 0 || areEqualValues(start, end, options)
}
function isValidSegmentDesc(start, end, options) {
return start - end > 0 || areEqualValues(start, end, options)
}
export default BaseRangeContainer;