@blueprintjs/core
Version:
Core styles & components
76 lines (74 loc) • 12.5 kB
JavaScript
;
var position_1 = require("../../common/position");
// this value causes popover and target edges to line up on 50px targets
exports.MIN_ARROW_SPACING = 18;
function computeArrowOffset(sideLength, arrowSize, minimum) {
if (minimum === void 0) { minimum = exports.MIN_ARROW_SPACING; }
return Math.max(Math.round((sideLength - arrowSize) / 2), minimum);
}
exports.computeArrowOffset = computeArrowOffset;
function getPopoverTransformOrigin(position, arrowSize, targetDimensions) {
var offsetX = computeArrowOffset(targetDimensions.width, arrowSize);
var offsetY = computeArrowOffset(targetDimensions.height, arrowSize);
switch (position) {
case position_1.Position.TOP_LEFT:
return offsetX + "px bottom";
case position_1.Position.TOP_RIGHT:
return "calc(100% - " + offsetX + "px) bottom";
case position_1.Position.BOTTOM_LEFT:
return offsetX + "px top";
case position_1.Position.BOTTOM_RIGHT:
return "calc(100% - " + offsetX + "px) top";
case position_1.Position.LEFT_TOP:
return "right " + offsetY + "px";
case position_1.Position.LEFT_BOTTOM:
return "right calc(100% - " + offsetY + "px)";
case position_1.Position.RIGHT_TOP:
return "left " + offsetY + "px";
case position_1.Position.RIGHT_BOTTOM:
return "left calc(100% - " + offsetY + "px)";
default:
return undefined;
}
}
exports.getPopoverTransformOrigin = getPopoverTransformOrigin;
function getArrowPositionStyles(position, arrowSize, ignoreTargetDimensions, targetDimensions, inline) {
// compute the offset to center an arrow with given hypotenuse in a side of the given length
var popoverOffset = function (sideLength) {
var offset = computeArrowOffset(sideLength, arrowSize, 0);
return offset < exports.MIN_ARROW_SPACING ? exports.MIN_ARROW_SPACING - offset : 0;
};
var popoverOffsetX = popoverOffset(targetDimensions.width);
var popoverOffsetY = popoverOffset(targetDimensions.height);
// TOP, RIGHT, BOTTOM, LEFT are handled purely in CSS because of centering transforms
switch (position) {
case position_1.Position.TOP_LEFT:
case position_1.Position.BOTTOM_LEFT:
return {
arrow: ignoreTargetDimensions ? {} : { left: computeArrowOffset(targetDimensions.width, arrowSize) },
container: { marginLeft: -popoverOffsetX },
};
case position_1.Position.TOP_RIGHT:
case position_1.Position.BOTTOM_RIGHT:
return {
arrow: ignoreTargetDimensions ? {} : { right: computeArrowOffset(targetDimensions.width, arrowSize) },
container: { marginLeft: popoverOffsetX },
};
case position_1.Position.RIGHT_TOP:
case position_1.Position.LEFT_TOP:
return {
arrow: ignoreTargetDimensions ? {} : { top: computeArrowOffset(targetDimensions.height, arrowSize) },
container: inline ? { top: -popoverOffsetY } : { marginTop: -popoverOffsetY },
};
case position_1.Position.RIGHT_BOTTOM:
case position_1.Position.LEFT_BOTTOM:
return {
arrow: ignoreTargetDimensions ? {} : { bottom: computeArrowOffset(targetDimensions.height, arrowSize) },
container: inline ? { bottom: -popoverOffsetY } : { marginTop: popoverOffsetY },
};
default:
return {};
}
}
exports.getArrowPositionStyles = getArrowPositionStyles;
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arrowSize) / 2), minimum);\n}\n\nexport function getPopoverTransformOrigin(position: Position,\n                                          arrowSize: number,\n                                          targetDimensions: IDimensions): string {\n    const offsetX = computeArrowOffset(targetDimensions.width, arrowSize);\n    const offsetY = computeArrowOffset(targetDimensions.height, arrowSize);\n    switch (position) {\n        case Position.TOP_LEFT:\n            return `${offsetX}px bottom`;\n        case Position.TOP_RIGHT:\n            return `calc(100% - ${offsetX}px) bottom`;\n        case Position.BOTTOM_LEFT:\n            return `${offsetX}px top`;\n        case Position.BOTTOM_RIGHT:\n            return `calc(100% - ${offsetX}px) top`;\n        case Position.LEFT_TOP:\n            return `right ${offsetY}px`;\n        case Position.LEFT_BOTTOM:\n            return `right calc(100% - ${offsetY}px)`;\n        case Position.RIGHT_TOP:\n            return `left ${offsetY}px`;\n        case Position.RIGHT_BOTTOM:\n            return `left calc(100% - ${offsetY}px)`;\n        default:\n            return undefined;\n    }\n}\n\nexport function getArrowPositionStyles(position: Position,\n                                       arrowSize: number,\n                                       ignoreTargetDimensions: boolean,\n                                       targetDimensions: IDimensions,\n                                       inline: boolean): IArrowPositionStyles {\n    // compute the offset to center an arrow with given hypotenuse in a side of the given length\n    const popoverOffset = (sideLength: number) => {\n        const offset = computeArrowOffset(sideLength, arrowSize, 0);\n        return offset < MIN_ARROW_SPACING ? MIN_ARROW_SPACING - offset : 0;\n    };\n    const popoverOffsetX = popoverOffset(targetDimensions.width);\n    const popoverOffsetY = popoverOffset(targetDimensions.height);\n    // TOP, RIGHT, BOTTOM, LEFT are handled purely in CSS because of centering transforms\n    switch (position) {\n        case Position.TOP_LEFT:\n        case Position.BOTTOM_LEFT:\n            return {\n                arrow: ignoreTargetDimensions ? {} : { left: computeArrowOffset(targetDimensions.width, arrowSize) },\n                container: { marginLeft: -popoverOffsetX },\n            };\n        case Position.TOP_RIGHT:\n        case Position.BOTTOM_RIGHT:\n            return {\n                arrow: ignoreTargetDimensions ? {} : { right: computeArrowOffset(targetDimensions.width, arrowSize) },\n                container: { marginLeft: popoverOffsetX },\n            };\n        case Position.RIGHT_TOP:\n        case Position.LEFT_TOP:\n            return {\n                arrow: ignoreTargetDimensions ? {} : { top: computeArrowOffset(targetDimensions.height, arrowSize) },\n                container: inline ? { top: -popoverOffsetY } : { marginTop: -popoverOffsetY },\n            };\n        case Position.RIGHT_BOTTOM:\n        case Position.LEFT_BOTTOM:\n            return {\n                arrow: ignoreTargetDimensions ? {} : { bottom: computeArrowOffset(targetDimensions.height, arrowSize) },\n                container: inline ? { bottom: -popoverOffsetY} : { marginTop: popoverOffsetY },\n            };\n        default:\n            return {};\n    }\n}\n"],"sourceRoot":"/source/"}