67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
|
/* global Image */
|
||
|
|
|
||
|
|
var Backbone = require('backbone');
|
||
|
|
var _ = require('underscore');
|
||
|
|
|
||
|
|
module.exports = Backbone.Model.extend({
|
||
|
|
|
||
|
|
getAttributes: function () {
|
||
|
|
return JSON.parse(JSON.stringify(this.attributes));
|
||
|
|
},
|
||
|
|
|
||
|
|
_generateClassName: function (urlTemplate) {
|
||
|
|
if (urlTemplate) {
|
||
|
|
return urlTemplate.replace(/\s+/g, '').replace(/[^a-zA-Z_0-9 ]/g, '').toLowerCase();
|
||
|
|
} else return '';
|
||
|
|
},
|
||
|
|
|
||
|
|
parse: function (data) {
|
||
|
|
var attrs = {};
|
||
|
|
|
||
|
|
_.extend(attrs, data.options, {
|
||
|
|
id: data.id,
|
||
|
|
className: this._generateClassName(data.options.urlTemplate),
|
||
|
|
type: 'Tiled',
|
||
|
|
order: data.order,
|
||
|
|
parent_id: data.parent_id
|
||
|
|
});
|
||
|
|
|
||
|
|
return attrs;
|
||
|
|
},
|
||
|
|
|
||
|
|
toJSON: function () {
|
||
|
|
var layerOptions = _.clone(_.omit(this.attributes, ['order', 'id']));
|
||
|
|
var json = {
|
||
|
|
kind: 'tiled',
|
||
|
|
options: layerOptions,
|
||
|
|
order: this.get('order'),
|
||
|
|
id: this.id
|
||
|
|
};
|
||
|
|
|
||
|
|
return json;
|
||
|
|
},
|
||
|
|
|
||
|
|
getValue: function () {
|
||
|
|
return this.get('val');
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* validateTemplateURL - Validates current urlTemplate of layer.
|
||
|
|
*
|
||
|
|
* @param {Object} callbacks with success and error functions defined to be called depending on validation outcome.
|
||
|
|
*/
|
||
|
|
validateTemplateURL: function (callbacks) {
|
||
|
|
var subdomains = ['a', 'b', 'c'];
|
||
|
|
var image = new Image();
|
||
|
|
image.onload = callbacks.success;
|
||
|
|
image.onerror = callbacks.error;
|
||
|
|
image.src = this.get('urlTemplate').replace(/\{s\}/g, function () {
|
||
|
|
return subdomains[Math.floor(Math.random() * 3)];
|
||
|
|
})
|
||
|
|
.replace(/\{x\}/g, '0')
|
||
|
|
.replace(/\{y\}/g, '0')
|
||
|
|
.replace(/\{z\}/g, '0');
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|