balm-ui
Version:
A modular and customizable UI library based on Material Design and Vue 3
214 lines • 9.06 kB
JavaScript
/**
* @license
* Copyright 2018 Google Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
import { __extends, __values } from "tslib";
import { MDCComponent } from '../base/component';
import { MDCTabScroller } from '../tab-scroller/component';
import { MDCTab } from '../tab/component';
import { MDCTabFoundation } from '../tab/foundation';
import { MDCTabBarFoundation } from './foundation';
var strings = MDCTabBarFoundation.strings;
var tabIdCounter = 0;
var MDCTabBar = /** @class */ (function (_super) {
__extends(MDCTabBar, _super);
function MDCTabBar() {
return _super !== null && _super.apply(this, arguments) || this;
}
MDCTabBar.attachTo = function (root) {
return new MDCTabBar(root);
};
Object.defineProperty(MDCTabBar.prototype, "focusOnActivate", {
set: function (focusOnActivate) {
var e_1, _a;
try {
for (var _b = __values(this.tabList), _c = _b.next(); !_c.done; _c = _b.next()) {
var tab = _c.value;
tab.focusOnActivate = focusOnActivate;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
},
enumerable: false,
configurable: true
});
Object.defineProperty(MDCTabBar.prototype, "useAutomaticActivation", {
set: function (useAutomaticActivation) {
this.foundation.setUseAutomaticActivation(useAutomaticActivation);
},
enumerable: false,
configurable: true
});
MDCTabBar.prototype.initialize = function (tabFactory, tabScrollerFactory) {
if (tabFactory === void 0) { tabFactory = function (el) { return new MDCTab(el); }; }
if (tabScrollerFactory === void 0) { tabScrollerFactory = function (el) { return new MDCTabScroller(el); }; }
this.tabList = this.instantiateTabs(tabFactory);
this.tabScroller = this.instantiatetabScroller(tabScrollerFactory);
};
MDCTabBar.prototype.initialSyncWithDOM = function () {
var _this = this;
this.handleTabInteraction = function (evt) {
_this.foundation.handleTabInteraction(evt);
};
this.handleKeyDown = function (evt) {
_this.foundation.handleKeyDown(evt);
};
this.listen(MDCTabFoundation.strings.INTERACTED_EVENT, this.handleTabInteraction);
this.listen('keydown', this.handleKeyDown);
for (var i = 0; i < this.tabList.length; i++) {
if (this.tabList[i].active) {
this.scrollIntoView(i);
break;
}
}
};
MDCTabBar.prototype.destroy = function () {
var e_2, _a;
_super.prototype.destroy.call(this);
this.unlisten(MDCTabFoundation.strings.INTERACTED_EVENT, this.handleTabInteraction);
this.unlisten('keydown', this.handleKeyDown);
try {
for (var _b = __values(this.tabList), _c = _b.next(); !_c.done; _c = _b.next()) {
var tab = _c.value;
tab.destroy();
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_2) throw e_2.error; }
}
if (this.tabScroller) {
this.tabScroller.destroy();
}
};
MDCTabBar.prototype.getDefaultFoundation = function () {
var _this = this;
// DO NOT INLINE this variable. For backward compatibility, foundations take a Partial<MDCFooAdapter>.
// To ensure we don't accidentally omit any methods, we need a separate, strongly typed adapter variable.
// tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.
var adapter = {
scrollTo: function (scrollX) {
_this.tabScroller.scrollTo(scrollX);
},
incrementScroll: function (scrollXIncrement) {
_this.tabScroller.incrementScroll(scrollXIncrement);
},
getScrollPosition: function () { return _this.tabScroller.getScrollPosition(); },
getScrollContentWidth: function () { return _this.tabScroller.getScrollContentWidth(); },
getOffsetWidth: function () { return _this.root.offsetWidth; },
isRTL: function () { return window.getComputedStyle(_this.root).getPropertyValue('direction') === 'rtl'; },
setActiveTab: function (index) {
_this.foundation.activateTab(index);
},
activateTabAtIndex: function (index, clientRect) {
_this.tabList[index].activate(clientRect);
},
deactivateTabAtIndex: function (index) {
_this.tabList[index].deactivate();
},
focusTabAtIndex: function (index) {
_this.tabList[index].focus();
},
getTabIndicatorClientRectAtIndex: function (index) {
return _this.tabList[index].computeIndicatorClientRect();
},
getTabDimensionsAtIndex: function (index) {
return _this.tabList[index].computeDimensions();
},
getPreviousActiveTabIndex: function () {
for (var i = 0; i < _this.tabList.length; i++) {
if (_this.tabList[i].active) {
return i;
}
}
return -1;
},
getFocusedTabIndex: function () {
var tabElements = _this.getTabElements();
var activeElement = document.activeElement;
return tabElements.indexOf(activeElement);
},
getIndexOfTabById: function (id) {
for (var i = 0; i < _this.tabList.length; i++) {
if (_this.tabList[i].id === id) {
return i;
}
}
return -1;
},
getTabListLength: function () { return _this.tabList.length; },
notifyTabActivated: function (index) { return _this.emit(strings.TAB_ACTIVATED_EVENT, { index: index }, true); },
};
// tslint:enable:object-literal-sort-keys
return new MDCTabBarFoundation(adapter);
};
/**
* Activates the tab at the given index
* @param index The index of the tab
*/
MDCTabBar.prototype.activateTab = function (index) {
this.foundation.activateTab(index);
};
/**
* Scrolls the tab at the given index into view
* @param index THe index of the tab
*/
MDCTabBar.prototype.scrollIntoView = function (index) {
this.foundation.scrollIntoView(index);
};
/**
* Returns all the tab elements in a nice clean array
*/
MDCTabBar.prototype.getTabElements = function () {
return [].slice.call(this.root.querySelectorAll(strings.TAB_SELECTOR));
};
/**
* Instantiates tab components on all child tab elements
*/
MDCTabBar.prototype.instantiateTabs = function (tabFactory) {
return this.getTabElements().map(function (el) {
el.id = el.id || "mdc-tab-" + ++tabIdCounter;
return tabFactory(el);
});
};
/**
* Instantiates tab scroller component on the child tab scroller element
*/
MDCTabBar.prototype.instantiatetabScroller = function (tabScrollerFactory) {
var tabScrollerElement = this.root.querySelector(strings.TAB_SCROLLER_SELECTOR);
if (tabScrollerElement) {
return tabScrollerFactory(tabScrollerElement);
}
return null;
};
return MDCTabBar;
}(MDCComponent));
export { MDCTabBar };
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