@nova-ui/bits
Version:
SolarWinds Nova Framework
110 lines • 14.6 kB
JavaScript
// © 2023 SolarWinds Worldwide, LLC. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import { Inject, Injectable } from "@angular/core";
import { WindowToken } from "./window";
import * as i0 from "@angular/core";
const properties = [
"boxSizing",
"width",
"height",
"overflowX",
"overflowY",
"borderTopWidth",
"borderRightWidth",
"borderBottomWidth",
"borderLeftWidth",
"paddingTop",
"paddingRight",
"paddingBottom",
"paddingLeft",
"fontStyle",
"fontVariant",
"fontWeight",
"fontStretch",
"fontSize",
"lineHeight",
"fontFamily",
"textAlign",
"textTransform",
"textIndent",
"textDecoration",
"letterSpacing",
"wordSpacing",
];
export class FreeTypeQueryUtilsService {
constructor(window) {
this.window = window;
}
getTextareaCaretCoordinates(element, position) {
const isFirefox = !(this.window.mozInnerScreenX == null);
let mirrorDiv = this.window.document.getElementById(element.nodeName + "--mirror-div");
if (!mirrorDiv) {
mirrorDiv = this.window.document.createElement("div");
mirrorDiv.id = element.nodeName + "--mirror-div";
this.window.document.body.appendChild(mirrorDiv);
}
const style = mirrorDiv.style;
const computed = getComputedStyle(element);
style.whiteSpace = "pre-wrap";
style.position = "absolute";
style.top =
element.offsetTop + parseInt(computed.borderTopWidth, 10) + "px";
style.left = "-400px";
properties.forEach((prop) => {
style[prop] = computed[prop];
});
if (isFirefox) {
style.width = parseInt(computed.width, 10) - 2 + "px";
// Firefox adds 2 pixels to the padding - https://bugzilla.mozilla.org/show_bug.cgi?id=753662
// Firefox lies about the overflow property for textareas:
// https://bugzilla.mozilla.org/show_bug.cgi?id=984275
if (element.scrollHeight > parseInt(computed.height, 10)) {
style.overflowY = "scroll";
}
}
else {
style.overflow = "hidden";
}
mirrorDiv.textContent = element.value.substring(0, position);
const span = this.window.document.createElement("span");
span.textContent = element.value.substring(position) || ".";
span.style.backgroundColor = "lightgrey";
mirrorDiv.appendChild(span);
const scrollTop = element.scrollTop;
const coordinates = {
top: span.offsetTop +
parseInt(computed["borderTopWidth"], 10) -
scrollTop,
left: span.offsetLeft + parseInt(computed["borderLeftWidth"], 10),
scrollTop,
};
this.window.document.body.removeChild(mirrorDiv);
return coordinates;
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: FreeTypeQueryUtilsService, deps: [{ token: WindowToken }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: FreeTypeQueryUtilsService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: FreeTypeQueryUtilsService, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: undefined, decorators: [{
type: Inject,
args: [WindowToken]
}] }] });
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All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n//  of this software and associated documentation files (the \"Software\"), to\n//  deal in the Software without restriction, including without limitation the\n//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n//  sell copies of the Software, and to permit persons to whom the Software is\n//  furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n//  all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n//  THE SOFTWARE.\n\nimport { Inject, Injectable } from \"@angular/core\";\n\nimport { WindowToken } from \"./window\";\nimport { CaretCoordinates } from \"../models\";\n\nconst properties = [\n    \"boxSizing\",\n    \"width\",\n    \"height\",\n    \"overflowX\",\n    \"overflowY\",\n\n    \"borderTopWidth\",\n    \"borderRightWidth\",\n    \"borderBottomWidth\",\n    \"borderLeftWidth\",\n\n    \"paddingTop\",\n    \"paddingRight\",\n    \"paddingBottom\",\n    \"paddingLeft\",\n\n    \"fontStyle\",\n    \"fontVariant\",\n    \"fontWeight\",\n    \"fontStretch\",\n    \"fontSize\",\n    \"lineHeight\",\n    \"fontFamily\",\n\n    \"textAlign\",\n    \"textTransform\",\n    \"textIndent\",\n    \"textDecoration\",\n\n    \"letterSpacing\",\n    \"wordSpacing\",\n];\n\ntype OurCSS = CSSStyleDeclaration & { [key: string]: any };\n\n@Injectable()\nexport class FreeTypeQueryUtilsService {\n    private window: Window;\n    constructor(@Inject(WindowToken) window: any) {\n        this.window = window as Window;\n    }\n\n    getTextareaCaretCoordinates(\n        element: HTMLTextAreaElement,\n        position: number\n    ): CaretCoordinates {\n        const isFirefox: boolean = !(\n            (this.window as any).mozInnerScreenX == null\n        );\n\n        let mirrorDiv = this.window.document.getElementById(\n            element.nodeName + \"--mirror-div\"\n        );\n        if (!mirrorDiv) {\n            mirrorDiv = this.window.document.createElement(\"div\");\n            mirrorDiv.id = element.nodeName + \"--mirror-div\";\n            this.window.document.body.appendChild(mirrorDiv);\n        }\n\n        const style: OurCSS = mirrorDiv.style;\n        const computed: OurCSS = getComputedStyle(element);\n\n        style.whiteSpace = \"pre-wrap\";\n        style.position = \"absolute\";\n        style.top =\n            element.offsetTop + parseInt(computed.borderTopWidth, 10) + \"px\";\n        style.left = \"-400px\";\n\n        properties.forEach((prop) => {\n            style[prop as keyof typeof CSSStyleDeclaration] = computed[prop];\n        });\n\n        if (isFirefox) {\n            style.width = parseInt(computed.width, 10) - 2 + \"px\";\n            // Firefox adds 2 pixels to the padding - https://bugzilla.mozilla.org/show_bug.cgi?id=753662\n            // Firefox lies about the overflow property for textareas:\n            // https://bugzilla.mozilla.org/show_bug.cgi?id=984275\n            if (element.scrollHeight > parseInt(computed.height, 10)) {\n                style.overflowY = \"scroll\";\n            }\n        } else {\n            style.overflow = \"hidden\";\n        }\n\n        mirrorDiv.textContent = element.value.substring(0, position);\n        const span = this.window.document.createElement(\"span\");\n        span.textContent = element.value.substring(position) || \".\";\n        span.style.backgroundColor = \"lightgrey\";\n        mirrorDiv.appendChild(span);\n\n        const scrollTop = element.scrollTop;\n        const coordinates = {\n            top:\n                span.offsetTop +\n                parseInt(computed[\"borderTopWidth\"], 10) -\n                scrollTop,\n            left: span.offsetLeft + parseInt(computed[\"borderLeftWidth\"], 10),\n            scrollTop,\n        };\n        this.window.document.body.removeChild(mirrorDiv);\n\n        return coordinates;\n    }\n}\n"]}