VLEX/BPM-UI/node_modules/ngx-bootstrap/positioning/esm2015/modifiers/flip.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { computeAutoPlacement, getBoundaries, getClientRect, getOppositeVariation, getTargetOffsets, isModifierEnabled } from '../utils';
/**
 * @param {?} data
 * @return {?}
 */
export function flip(data) {
    data.offsets.target = getClientRect(data.offsets.target);
    if (!isModifierEnabled(data.options, 'flip')) {
        data.offsets.target = Object.assign({}, data.offsets.target, getTargetOffsets(data.instance.target, data.offsets.host, data.placement));
        return data;
    }
    /** @type {?} */
    const boundaries = getBoundaries(data.instance.target, data.instance.host, 0, // padding
    'viewport', false // positionFixed
    );
    /** @type {?} */
    let placement = data.placement.split(' ')[0];
    /** @type {?} */
    let variation = data.placement.split(' ')[1] || '';
    /** @type {?} */
    const offsetsHost = data.offsets.host;
    /** @type {?} */
    const target = data.instance.target;
    /** @type {?} */
    const host = data.instance.host;
    /** @type {?} */
    const adaptivePosition = computeAutoPlacement('auto', offsetsHost, target, host, data.options.allowedPositions);
    /** @type {?} */
    const flipOrder = [placement, adaptivePosition];
    /* tslint:disable-next-line: cyclomatic-complexity */
    flipOrder.forEach((/**
     * @param {?} step
     * @param {?} index
     * @return {?}
     */
    (step, index) => {
        if (placement !== step || flipOrder.length === index + 1) {
            return data;
        }
        placement = data.placement.split(' ')[0];
        // using floor because the host offsets may contain decimals we are not going to consider here
        /** @type {?} */
        const overlapsRef = (placement === 'left' &&
            Math.floor(data.offsets.target.right) > Math.floor(data.offsets.host.left)) ||
            (placement === 'right' &&
                Math.floor(data.offsets.target.left) < Math.floor(data.offsets.host.right)) ||
            (placement === 'top' &&
                Math.floor(data.offsets.target.bottom) > Math.floor(data.offsets.host.top)) ||
            (placement === 'bottom' &&
                Math.floor(data.offsets.target.top) < Math.floor(data.offsets.host.bottom));
        /** @type {?} */
        const overflowsLeft = Math.floor(data.offsets.target.left) < Math.floor(boundaries.left);
        /** @type {?} */
        const overflowsRight = Math.floor(data.offsets.target.right) > Math.floor(boundaries.right);
        /** @type {?} */
        const overflowsTop = Math.floor(data.offsets.target.top) < Math.floor(boundaries.top);
        /** @type {?} */
        const overflowsBottom = Math.floor(data.offsets.target.bottom) > Math.floor(boundaries.bottom);
        /** @type {?} */
        const overflowsBoundaries = (placement === 'left' && overflowsLeft) ||
            (placement === 'right' && overflowsRight) ||
            (placement === 'top' && overflowsTop) ||
            (placement === 'bottom' && overflowsBottom);
        // flip the variation if required
        /** @type {?} */
        const isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
        /** @type {?} */
        const flippedVariation = ((isVertical && variation === 'left' && overflowsLeft) ||
            (isVertical && variation === 'right' && overflowsRight) ||
            (!isVertical && variation === 'left' && overflowsTop) ||
            (!isVertical && variation === 'right' && overflowsBottom));
        if (overlapsRef || overflowsBoundaries || flippedVariation) {
            if (overlapsRef || overflowsBoundaries) {
                placement = flipOrder[index + 1];
            }
            if (flippedVariation) {
                variation = getOppositeVariation(variation);
            }
            data.placement = placement + (variation ? ` ${variation}` : '');
            data.offsets.target = Object.assign({}, data.offsets.target, getTargetOffsets(data.instance.target, data.offsets.host, data.placement));
        }
    }));
    return data;
}
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{\n  computeAutoPlacement,\n  getBoundaries,\n  getClientRect,\n  getOppositeVariation,\n  getTargetOffsets,\n  isModifierEnabled\n} from '../utils';\n\nimport { Data } from '../models';\n\nexport function flip(data: Data): Data {\n  data.offsets.target = getClientRect(data.offsets.target);\n\n  if (!isModifierEnabled(data.options, 'flip')) {\n\n    data.offsets.target = {\n      ...data.offsets.target,\n      ...getTargetOffsets(\n        data.instance.target,\n        data.offsets.host,\n        data.placement\n      )\n    };\n\n    return data;\n  }\n\n  const boundaries = getBoundaries(\n    data.instance.target,\n    data.instance.host,\n    0, // padding\n    'viewport',\n    false // positionFixed\n  );\n\n  let placement = data.placement.split(' ')[0];\n  let variation = data.placement.split(' ')[1] || '';\n\n  const offsetsHost = data.offsets.host;\n  const target = data.instance.target;\n  const host = data.instance.host;\n\n  const adaptivePosition = computeAutoPlacement('auto', offsetsHost, target, host, data.options.allowedPositions);\n  const flipOrder = [placement, adaptivePosition];\n\n  /* tslint:disable-next-line: cyclomatic-complexity */\n  flipOrder.forEach((step, index) => {\n    if (placement !== step || flipOrder.length === index + 1) {\n      return data;\n    }\n\n    placement = data.placement.split(' ')[0];\n\n    // using floor because the host offsets may contain decimals we are not going to consider here\n    const overlapsRef =\n      (placement === 'left' &&\n        Math.floor(data.offsets.target.right) > Math.floor(data.offsets.host.left)) ||\n      (placement === 'right' &&\n        Math.floor(data.offsets.target.left) < Math.floor(data.offsets.host.right)) ||\n      (placement === 'top' &&\n        Math.floor(data.offsets.target.bottom) > Math.floor(data.offsets.host.top)) ||\n      (placement === 'bottom' &&\n        Math.floor(data.offsets.target.top) < Math.floor(data.offsets.host.bottom));\n\n    const overflowsLeft = Math.floor(data.offsets.target.left) < Math.floor(boundaries.left);\n    const overflowsRight = Math.floor(data.offsets.target.right) > Math.floor(boundaries.right);\n    const overflowsTop = Math.floor(data.offsets.target.top) < Math.floor(boundaries.top);\n    const overflowsBottom = Math.floor(data.offsets.target.bottom) > Math.floor(boundaries.bottom);\n\n    const overflowsBoundaries =\n      (placement === 'left' && overflowsLeft) ||\n      (placement === 'right' && overflowsRight) ||\n      (placement === 'top' && overflowsTop) ||\n      (placement === 'bottom' && overflowsBottom);\n\n    // flip the variation if required\n    const isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n    const flippedVariation =\n      ((isVertical && variation === 'left' && overflowsLeft) ||\n        (isVertical && variation === 'right' && overflowsRight) ||\n        (!isVertical && variation === 'left' && overflowsTop) ||\n        (!isVertical && variation === 'right' && overflowsBottom));\n\n    if (overlapsRef || overflowsBoundaries || flippedVariation) {\n      if (overlapsRef || overflowsBoundaries) {\n        placement = flipOrder[index + 1];\n      }\n\n      if (flippedVariation) {\n        variation = getOppositeVariation(variation);\n      }\n\n      data.placement = placement + (variation ? ` ${variation}` : '');\n\n      data.offsets.target = {\n        ...data.offsets.target,\n        ...getTargetOffsets(\n          data.instance.target,\n          data.offsets.host,\n          data.placement\n        )\n      };\n    }\n  });\n\n  return data;\n}\n"]}