scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
146 lines (145 loc) • 7.19 kB
JavaScript
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BaseDataLabelProvider = void 0;
var Guard_1 = require("../../../../Core/Guard");
var TextPosition_1 = require("../../../../types/TextPosition");
var parseColor_1 = require("../../../../utils/parseColor");
var IThemeProvider_1 = require("../../../Themes/IThemeProvider");
var NativeObject_1 = require("../../Helpers/NativeObject");
var DpiHelper_1 = require("../../TextureManager/DpiHelper");
var BaseDataLabelProvider = /** @class */ (function () {
/**
* Creates an instance of the {@link DataLabelProvider}
*/
function BaseDataLabelProvider(options) {
var _this = this;
/**
* The text to draw, along with the sizes and positions. Usually generated, but can be updated before final drawing
*/
this.dataLabels = [];
this.getstyleProxy = function (newStyle) {
return new Proxy(newStyle, {
set: function (target, key, value) {
//@ts-ignore
target[key] = value;
_this.invalidateParent();
return true;
}
});
};
this.styleProperty = (options === null || options === void 0 ? void 0 : options.style) ? this.getstyleProxy(options === null || options === void 0 ? void 0 : options.style) : undefined;
this.colorProperty = options === null || options === void 0 ? void 0 : options.color;
}
/**
* Called when a DataLabelProvider is attached to a parent {@link IRenderableSeries | RenderableSeries}
* @param webAssemblyContext
* @param parentSeries
*/
BaseDataLabelProvider.prototype.onAttach = function (webAssemblyContext, parentSeries) {
Guard_1.Guard.notNull(webAssemblyContext, "webAssemblyContext");
Guard_1.Guard.notNull(parentSeries, "parentSeries");
this.webAssemblyContext = webAssemblyContext;
this.parentSeries = parentSeries;
};
BaseDataLabelProvider.prototype.onDetach = function () {
this.webAssemblyContext = undefined;
this.parentSeries = undefined;
};
BaseDataLabelProvider.prototype.delete = function () { };
Object.defineProperty(BaseDataLabelProvider.prototype, "style", {
/**
* Gets or sets the text style used for data labels. The style must be set, with fontFamily and fontSize set, in order for text to be drawn.
*/
get: function () {
return this.styleProperty;
},
/**
* Gets or sets the text style used for data labels. The style must be set, with fontFamily and fontSize set, in order for text to be drawn.
*/
set: function (value) {
this.styleProperty = this.getstyleProxy(value);
this.invalidateParent();
},
enumerable: false,
configurable: true
});
Object.defineProperty(BaseDataLabelProvider.prototype, "color", {
/**
* Gets or sets the color for data labels. Defaults to axis label color
*/
get: function () {
var _a, _b, _c;
if (!this.colorProperty) {
return (_c = (_b = (_a = this.parentSeries) === null || _a === void 0 ? void 0 : _a.parentSurface) === null || _b === void 0 ? void 0 : _b.themeProvider) === null || _c === void 0 ? void 0 : _c.tickTextBrush;
}
return (0, IThemeProvider_1.stripAutoColor)(this.colorProperty);
},
/**
* Gets or sets the color for data labels. Defaults to axis label color
*/
set: function (value) {
this.colorProperty = value;
this.invalidateParent();
},
enumerable: false,
configurable: true
});
/** Update the style. Only the properties passed will be updated */
BaseDataLabelProvider.prototype.updateStyle = function (value) {
this.styleProperty = this.getstyleProxy(__assign(__assign({}, this.styleProperty), value));
this.invalidateParent();
};
/**
* Base behaviour is to do nothing. Labels will only be drawn if they have been manually set
*/
BaseDataLabelProvider.prototype.generateDataLabels = function (renderContext, renderPassData) { };
BaseDataLabelProvider.prototype.draw = function (renderContext) {
var _a, _b, _c;
if (!this.dataLabels || this.dataLabels.length === 0) {
return;
}
if (!this.style || !this.style.fontFamily || !this.style.fontSize) {
return;
}
var color = (0, parseColor_1.parseColorToUIntArgb)(this.color);
var dpiAdjustedStyle = DpiHelper_1.DpiHelper.adjustTextStyle(this.style);
var font = renderContext.getFont(dpiAdjustedStyle);
var rotationVector = (0, NativeObject_1.getVector4)(this.webAssemblyContext, 0, 0, 0, 0);
var alignMode = (0, TextPosition_1.convertMultiLineAlignment)(this.style.multiLineAlignment, this.webAssemblyContext);
for (var _i = 0, _d = this.dataLabels; _i < _d.length; _i++) {
var item = _d[_i];
// Adjust the postion to take into account the seriesVewRect.
// We do this because we are ending the font after the transformation has been popped.
font.DrawStringAdvanced((_a = item.text) !== null && _a !== void 0 ? _a : "", (_b = item.color) !== null && _b !== void 0 ? _b : color, Math.round(item.position.x + this.parentSeries.parentSurface.seriesViewRect.left), Math.round(item.position.y + this.parentSeries.parentSurface.seriesViewRect.top), rotationVector, alignMode, (_c = this.style.lineSpacing) !== null && _c !== void 0 ? _c : 2);
}
// Don't end font here to facilitate batch drawing
};
BaseDataLabelProvider.prototype.resolveAutoColors = function (index, maxSeries, theme) {
if (this.colorProperty && this.colorProperty.startsWith(IThemeProvider_1.AUTO_COLOR)) {
var color = theme.getStrokeColor(index, maxSeries, this.webAssemblyContext);
this.color = IThemeProvider_1.AUTO_COLOR + color;
}
};
BaseDataLabelProvider.prototype.toJSON = function () {
return { type: this.type, options: { style: this.style, color: this.color } };
};
BaseDataLabelProvider.prototype.invalidateParent = function () {
var _a;
if ((_a = this.parentSeries) === null || _a === void 0 ? void 0 : _a.invalidateParentCallback) {
this.parentSeries.invalidateParentCallback();
}
};
return BaseDataLabelProvider;
}());
exports.BaseDataLabelProvider = BaseDataLabelProvider;