98 lines
3.2 KiB
TypeScript
98 lines
3.2 KiB
TypeScript
// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Component } from '@angular/core';
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import { FormBuilder } from '@angular/forms';
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import { Platform } from 'ionic-angular';
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import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
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/**
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* Component to render data latlong field.
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*/
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@Component({
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selector: 'addon-mod-data-field-latlong',
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templateUrl: 'latlong.html'
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})
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export class AddonModDataFieldLatlongComponent extends AddonModDataFieldPluginComponent {
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north: number;
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east: number;
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constructor(protected fb: FormBuilder, private platform: Platform) {
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super(fb);
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}
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/**
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* Format latitude and longitude in a simple text.
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*
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* @param {number} north Degrees north.
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* @param {number} east Degrees East.
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* @return {string} Readable Latitude and logitude.
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*/
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formatLatLong(north: number, east: number): string {
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if (north !== null || east !== null) {
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const northFixed = north ? Math.abs(north).toFixed(4) : '0.0000',
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eastFixed = east ? Math.abs(east).toFixed(4) : '0.0000';
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return northFixed + (north < 0 ? '°S' : '°N') + ' ' + eastFixed + (east < 0 ? '°W' : '°E');
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}
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}
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/**
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* Get link to maps from latitude and longitude.
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*
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* @param {number} north Degrees north.
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* @param {number} east Degrees East.
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* @return {string} Link to maps depending on platform.
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*/
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getLatLongLink(north: number, east: number): string {
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if (north !== null || east !== null) {
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const northFixed = north ? north.toFixed(4) : '0.0000',
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eastFixed = east ? east.toFixed(4) : '0.0000';
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if (this.platform.is('ios')) {
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return 'http://maps.apple.com/?ll=' + northFixed + ',' + eastFixed + '&near=' + northFixed + ',' + eastFixed;
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}
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return 'geo:' + northFixed + ',' + eastFixed;
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}
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}
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/**
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* Initialize field.
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*/
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protected init(): void {
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if (this.value) {
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this.updateValue(this.value);
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}
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if (this.mode == 'edit') {
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this.addControl('f_' + this.field.id + '_0', this.north);
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this.addControl('f_' + this.field.id + '_1', this.east);
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} else if (this.mode == 'search') {
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this.addControl('f_' + this.field.id);
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}
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}
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/**
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* Update value being shown.
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*
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* @param {any} value New value to be set.
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*/
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protected updateValue(value: any): void {
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this.value = value;
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this.north = (value && parseFloat(value.content)) || null;
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this.east = (value && parseFloat(value.content1)) || null;
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}
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}
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