2018-05-30 11:53:42 +02:00

98 lines
3.2 KiB
TypeScript

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