128 lines
3.4 KiB
JavaScript
128 lines
3.4 KiB
JavaScript
import ngModule from '../../module';
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import Component from '../../lib/component';
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import './style.scss';
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/**
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* Dialog component.
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*
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* @property {HTMLElement} body The dialog HTML body
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* @property {HTMLElement} buttons The dialog HTML buttons
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*/
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export default class Dialog extends Component {
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constructor($element, $scope, $transclude) {
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super($element, $scope);
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this.shown = false;
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this.$element.addClass('vn-dialog');
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this.element.addEventListener('mousedown',
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e => this.onBackgroundMouseDown(e));
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if ($transclude) {
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$transclude($scope.$parent, tClone => {
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this.body = tClone[0];
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}, null, 'body');
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$transclude($scope.$parent, tClone => {
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this.buttons = tClone[0];
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}, null, 'buttons');
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}
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}
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set body(value) {
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this.element.querySelector('.body').appendChild(value);
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}
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set buttons(value) {
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this.element.querySelector('.buttons').appendChild(value);
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}
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/**
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* Displays the dialog to the user.
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*/
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show() {
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if (this.shown) return;
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this.shown = true;
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this.keyDownHandler = e => this.onkeyDown(e);
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this.document.addEventListener('keydown', this.keyDownHandler);
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this.element.style.display = 'flex';
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this.transitionTimeout = setTimeout(() => this.$element.addClass('shown'), 30);
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if (this.onOpen)
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this.onOpen();
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}
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/**
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* Hides the dialog calling the response handler.
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*/
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hide() {
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this.fireResponse();
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this.realHide();
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}
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/**
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* Calls the response handler.
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*
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* @param {String} response The response code
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* @return {Boolean} %true if response was canceled, %false otherwise
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*/
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fireResponse(response) {
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let cancel = false;
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if (this.onResponse)
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cancel = this.onResponse({response: response});
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return cancel;
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}
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realHide() {
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if (!this.shown) return;
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this.element.style.display = 'none';
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this.document.removeEventListener('keydown', this.keyDownHandler);
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this.lastEvent = null;
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this.shown = false;
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this.transitionTimeout = setTimeout(() => this.$element.removeClass('shown'), 30);
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}
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onButtonClick(event) {
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let buttons = this.element.querySelector('.buttons');
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let tplButtons = buttons.querySelector('tpl-buttons');
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let node = event.target;
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while (node.parentNode != tplButtons) {
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if (node == buttons) return;
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node = node.parentNode;
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}
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let response = node.getAttribute('response');
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let cancel = this.fireResponse(response);
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if (cancel !== false) this.realHide();
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}
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onDialogMouseDown(event) {
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this.lastEvent = event;
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}
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onBackgroundMouseDown(event) {
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if (event != this.lastEvent)
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this.hide();
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}
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onkeyDown(event) {
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if (event.keyCode == 27) // Esc
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this.hide();
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}
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$onDestroy() {
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clearTimeout(this.transitionTimeout);
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}
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}
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Dialog.$inject = ['$element', '$scope', '$transclude'];
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ngModule.component('vnDialog', {
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template: require('./dialog.html'),
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transclude: {
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body: 'tplBody',
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buttons: '?tplButtons'
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},
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bindings: {
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onOpen: '&?',
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onResponse: '&?'
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},
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controller: Dialog
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});
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