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104 lines
2.8 KiB
104 lines
2.8 KiB
/**
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* Exports a single `icon` function which returns a DOM Element for the given icon name.
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* Names are of type `IconName` imported from `IconList.ts`, which is auto-generated during the
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* build process.
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*
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* In order to use the icons, you must first include the generated CSS file:
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*
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* <link rel="stylesheet" href="icons.css">
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*
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* The CSS file encodes each icon as a `url()` with base64 DataURI of the icon SVG and saves it
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* as a CSS :root var of the form --icon-${name}. It also includes a class for each icon that
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* uses the variable to set the mask-image (vs background-image, allowing you to change colors
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* using background-color):
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*
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* .icon.Search_icon { -webkit-mask-image: var(--icon-Search); }
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*
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* This approach is more performant than inlining SVGs or using <symbol> with <use>.
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*
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* Examples:
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*
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* // Display icon with default color and size
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* dom('div',
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* icon('Search')
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* );
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*
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* // Display bigger icon in blue
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* const bigBlueIcon = styled(icon, `
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* background-color: blue;
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* width: 32px;
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* height: 32px;
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* `);
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* dom('div',
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* bigBlueIcon('Search')
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* )
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*
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* // Use icon image directly in css to style a checkbox
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* // Refer to https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Advanced_styling_for_HTML_forms
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* const checkbox = styled('input#checkbox', `
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* -webkit-appearance: none;
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* -moz-appearance: none;
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* width: 1rem;
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* height: 1rem;
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* border: 1px solid blue;
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*
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* &:checked::before {
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* position: absolute;
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* content: var(--icon-Select);
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* }
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* `);
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*/
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import { theme } from 'app/client/ui2018/cssVars';
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import { dom, DomElementArg, styled } from 'grainjs';
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import { IconName } from './IconList';
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/**
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* Defaults for all icons.
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*/
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const iconDiv = styled('div', `
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position: relative;
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display: inline-block;
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vertical-align: middle;
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-webkit-mask-repeat: no-repeat;
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-webkit-mask-position: center;
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-webkit-mask-size: contain;
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width: 16px;
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height: 16px;
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background-color: var(--icon-color, var(--grist-theme-text, black));
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`);
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export const cssIconBackground = styled(iconDiv, `
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background-color: var(--icon-background, inherit);
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-webkit-mask: none;
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& .${iconDiv.className} {
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transition: inherit;
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display: block;
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}
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`);
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export function icon(name: IconName, ...domArgs: DomElementArg[]): HTMLElement {
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return iconDiv(
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dom.style('-webkit-mask-image', `var(--icon-${name})`),
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...domArgs
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);
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}
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/**
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* Container box for an icon to serve as a button..
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*/
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export const cssIconButton = styled('div', `
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flex: none;
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height: 24px;
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width: 24px;
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padding: 4px;
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border-radius: 3px;
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line-height: 0px;
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cursor: default;
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--icon-color: ${theme.controlSecondaryFg};
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&:hover, &.weasel-popup-open {
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background-color: ${theme.controlSecondaryHoverBg};
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--icon-color: ${theme.controlSecondaryFg};
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}
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`);
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