construct-ui
Version:
A Mithril.js UI library
92 lines (91 loc) • 3.87 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Collapse = void 0;
var tslib_1 = require("tslib");
var mithril_1 = tslib_1.__importDefault(require("mithril"));
var classnames_1 = tslib_1.__importDefault(require("classnames"));
var mithril_transition_group_1 = require("mithril-transition-group");
var _shared_1 = require("../../_shared");
var Collapse = /** @class */ (function () {
function Collapse() {
var _this = this;
this.height = 0;
this.containerStyles = {
height: 0,
overflow: 'hidden',
transition: ''
};
this.handleEnter = function (node) {
var body = node.querySelector(".".concat(_shared_1.Classes.COLLAPSE_BODY));
_this.contentEl = body.children[0];
_this.height = _this.getContentHeight(_this.contentEl);
body.style.transform = "translateY(".concat(-_this.height, "px)");
};
this.handleExit = function (node) {
node.style.height = "".concat(_this.height, "px");
};
}
Collapse.prototype.oninit = function (_a) {
var attrs = _a.attrs;
this.duration = attrs.duration || 300;
this.containerStyles.transition = "height ".concat(this.duration, "ms ease-out");
};
Collapse.prototype.onbeforeupdate = function () {
if (this.contentEl) {
this.height = this.getContentHeight(this.contentEl);
}
};
Collapse.prototype.view = function (_a) {
var _this = this;
var attrs = _a.attrs, children = _a.children;
var classes = (0, classnames_1.default)(_shared_1.Classes.COLLAPSE, attrs.class);
return (0, mithril_1.default)(mithril_transition_group_1.Transition, {
isVisible: attrs.isOpen,
onEnter: this.handleEnter,
onExit: this.handleExit,
content: function (state) {
var containerTransitionStyles = {
entering: {
height: _this.height + 'px'
},
entered: {
height: 'auto',
transition: 'none'
},
exiting: {
height: '0px'
}
};
var bodyTransitionStyles = {
entering: {
transform: 'translateY(0px)',
transition: "transform ".concat(_this.duration, "ms ease-out")
},
exiting: {
transform: "translateY(".concat(-_this.height, "px)"),
transition: "transform ".concat(_this.duration, "ms ease-out")
}
};
var body = (0, mithril_1.default)('', {
class: _shared_1.Classes.COLLAPSE_BODY,
style: tslib_1.__assign({}, bodyTransitionStyles[state])
}, children);
var container = (0, mithril_1.default)('', {
class: classes,
style: tslib_1.__assign(tslib_1.__assign(tslib_1.__assign({}, _this.containerStyles), containerTransitionStyles[state]), attrs.style)
}, body);
return container;
},
timeout: this.duration
});
};
Collapse.prototype.getContentHeight = function (element) {
if (!element)
return 0;
var styles = window.getComputedStyle(element);
var margin = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);
return Math.ceil(element.offsetHeight + margin);
};
return Collapse;
}());
exports.Collapse = Collapse;