@material/chips
Version:
The Material Components for the Web chips component
190 lines • 8.13 kB
JavaScript
/**
* @license
* Copyright 2016 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 '@material/base/component';
import { announce } from '@material/dom/announce';
import { MDCChip } from '../chip/component';
import { MDCChipFoundation } from '../chip/foundation';
import { MDCChipSetFoundation } from './foundation';
var _a = MDCChipFoundation.strings, INTERACTION_EVENT = _a.INTERACTION_EVENT, SELECTION_EVENT = _a.SELECTION_EVENT, REMOVAL_EVENT = _a.REMOVAL_EVENT, NAVIGATION_EVENT = _a.NAVIGATION_EVENT;
var CHIP_SELECTOR = MDCChipSetFoundation.strings.CHIP_SELECTOR;
var idCounter = 0;
var MDCChipSet = /** @class */ (function (_super) {
__extends(MDCChipSet, _super);
function MDCChipSet() {
return _super !== null && _super.apply(this, arguments) || this;
}
MDCChipSet.attachTo = function (root) {
return new MDCChipSet(root);
};
Object.defineProperty(MDCChipSet.prototype, "chips", {
get: function () {
return this.chipsList.slice();
},
enumerable: false,
configurable: true
});
Object.defineProperty(MDCChipSet.prototype, "selectedChipIds", {
/**
* @return An array of the IDs of all selected chips.
*/
get: function () {
return this.foundation.getSelectedChipIds();
},
enumerable: false,
configurable: true
});
/**
* @param chipFactory A function which creates a new MDCChip.
*/
MDCChipSet.prototype.initialize = function (chipFactory) {
if (chipFactory === void 0) { chipFactory = function (el) { return new MDCChip(el); }; }
this.chipFactory = chipFactory;
this.chipsList = this.instantiateChips(this.chipFactory);
};
MDCChipSet.prototype.initialSyncWithDOM = function () {
var e_1, _a;
var _this = this;
try {
for (var _b = __values(this.chipsList), _c = _b.next(); !_c.done; _c = _b.next()) {
var chip = _c.value;
if (chip.id && chip.selected) {
this.foundation.select(chip.id);
}
}
}
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; }
}
this.handleChipInteraction = function (evt) {
return _this.foundation.handleChipInteraction(evt.detail);
};
this.handleChipSelection = function (evt) {
return _this.foundation.handleChipSelection(evt.detail);
};
this.handleChipRemoval = function (evt) {
return _this.foundation.handleChipRemoval(evt.detail);
};
this.handleChipNavigation = function (evt) {
return _this.foundation.handleChipNavigation(evt.detail);
};
this.listen(INTERACTION_EVENT, this.handleChipInteraction);
this.listen(SELECTION_EVENT, this.handleChipSelection);
this.listen(REMOVAL_EVENT, this.handleChipRemoval);
this.listen(NAVIGATION_EVENT, this.handleChipNavigation);
};
MDCChipSet.prototype.destroy = function () {
var e_2, _a;
try {
for (var _b = __values(this.chipsList), _c = _b.next(); !_c.done; _c = _b.next()) {
var chip = _c.value;
chip.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; }
}
this.unlisten(INTERACTION_EVENT, this.handleChipInteraction);
this.unlisten(SELECTION_EVENT, this.handleChipSelection);
this.unlisten(REMOVAL_EVENT, this.handleChipRemoval);
this.unlisten(NAVIGATION_EVENT, this.handleChipNavigation);
_super.prototype.destroy.call(this);
};
/**
* Adds a new chip object to the chip set from the given chip element.
*/
MDCChipSet.prototype.addChip = function (chipEl) {
chipEl.id = chipEl.id || "mdc-chip-" + ++idCounter;
this.chipsList.push(this.chipFactory(chipEl));
};
MDCChipSet.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.
var adapter = {
announceMessage: function (message) {
announce(message);
},
focusChipPrimaryActionAtIndex: function (index) {
_this.chipsList[index].focusPrimaryAction();
},
focusChipTrailingActionAtIndex: function (index) {
_this.chipsList[index].focusTrailingAction();
},
getChipListCount: function () { return _this.chips.length; },
getIndexOfChipById: function (chipId) {
return _this.findChipIndex(chipId);
},
hasClass: function (className) { return _this.root.classList.contains(className); },
isRTL: function () { return window.getComputedStyle(_this.root).getPropertyValue('direction') === 'rtl'; },
removeChipAtIndex: function (index) {
if (index >= 0 && index < _this.chips.length) {
_this.chipsList[index].destroy();
_this.chipsList[index].remove();
_this.chipsList.splice(index, 1);
}
},
removeFocusFromChipAtIndex: function (index) {
_this.chipsList[index].removeFocus();
},
selectChipAtIndex: function (index, selected, shouldNotifyClients) {
if (index >= 0 && index < _this.chips.length) {
_this.chipsList[index].setSelectedFromChipSet(selected, shouldNotifyClients);
}
},
};
return new MDCChipSetFoundation(adapter);
};
/**
* Instantiates chip components on all of the chip set's child chip elements.
*/
MDCChipSet.prototype.instantiateChips = function (chipFactory) {
var chipElements = [].slice.call(this.root.querySelectorAll(CHIP_SELECTOR));
return chipElements.map(function (el) {
el.id = el.id || "mdc-chip-" + ++idCounter;
return chipFactory(el);
});
};
/**
* Returns the index of the chip with the given id, or -1 if the chip does not exist.
*/
MDCChipSet.prototype.findChipIndex = function (chipId) {
for (var i = 0; i < this.chips.length; i++) {
if (this.chipsList[i].id === chipId) {
return i;
}
}
return -1;
};
return MDCChipSet;
}(MDCComponent));
export { MDCChipSet };
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