aurelia-split-pane/dist/split-pane.js

A custom element for resizable split panes.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
var aurelia_framework_1 = require("aurelia-framework");
var split_pane_divider_1 = require("./split-pane-divider");
var util_1 = require("./util");
var SplitPane = /** @class */ (function () {
    function SplitPane(element, templatingEngine) {
        this.direction = 'horizontal';
        this.dividers = [];
        this.element = element;
        this.templatingEngine = templatingEngine;
    }
    SplitPane.prototype.attached = function () {
        var children = Array.prototype.slice.call(this.element.children);
        for (var i = 0; i < children.length - 1; i++) {
            var child = children[i];
            var divider = aurelia_framework_1.DOM.createElement(split_pane_divider_1.SplitPaneDivider.TAG_NAME);
            var dividerView = this.templatingEngine.enhance({
                element: divider,
                bindingContext: this
            });
            this.dividers.push(dividerView);
            this.element.insertBefore(divider, child.nextSibling);
        }
    };
    SplitPane.prototype.detached = function () {
        for (var _i = 0, _a = this.dividers; _i < _a.length; _i++) {
            var divider = _a[_i];
            divider.detached();
        }
    };
    SplitPane.prototype.unbind = function () {
        for (var _i = 0, _a = this.dividers; _i < _a.length; _i++) {
            var divider = _a[_i];
            divider.unbind();
        }
    };
    /**
     * Iterates through the element's children and sets each <code>flex-basis</code> style property to the
     * size of the [bounding rectangle]{@link Element#getBoundingClientRect}, to prepare for the property being
     * modified during a [drag]{@link SplitPaneDivider#drag}.
     */
    SplitPane.prototype.setChildrenFlexBasis = function () {
        var children = this.element.children;
        var sizes = [];
        // record each child's calculated size
        for (var i = 0; i < children.length; i++) {
            var child = children.item(i);
            if (split_pane_divider_1.SplitPaneDivider.isDivider(child)) {
                sizes.push(0);
            }
            else {
                var rect = child.getBoundingClientRect();
                sizes.push(this.direction === 'horizontal' ? rect.width : rect.height);
            }
        }
        // set the flex-basis property in a separate iteration to avoid impacting the size of the other children
        for (var i = 0; i < children.length; i++) {
            var child = children.item(i);
            if (!split_pane_divider_1.SplitPaneDivider.isDivider(child)) {
                util_1.setFlexBasis(child, sizes[i]);
            }
        }
    };
    __decorate([
        aurelia_framework_1.bindable({ defaultBindingMode: aurelia_framework_1.bindingMode.toView }),
        __metadata("design:type", String)
    ], SplitPane.prototype, "direction", void 0);
    SplitPane = __decorate([
        aurelia_framework_1.inject(aurelia_framework_1.DOM.Element, aurelia_framework_1.TemplatingEngine),
        aurelia_framework_1.customElement('split-pane'),
        __metadata("design:paramtypes", [Object, aurelia_framework_1.TemplatingEngine])
    ], SplitPane);
    return SplitPane;
}());
exports.SplitPane = SplitPane;