/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
/* vim: set et ts=4 sw=4: */
/*
* GNOME Maps is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* GNOME Maps is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with GNOME Maps; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Hashem Nasarat <hashem@riseup.net>
*/
const Champlain = imports.gi.Champlain;
const Gio = imports.gi.Gio;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
var SUPPORTED_TYPES = [];
function newFromFile(file, mapView) {
let contentType = Gio.content_type_guess(file.get_uri(), null)[0];
for (let layerClass of SUPPORTED_TYPES) {
if (layerClass.mimeTypes.indexOf(contentType) > -1) {
return new layerClass({ file: file, mapView: mapView });
}
}
return null;
}
var ShapeLayer = new Lang.Class({
Name: 'ShapeLayer',
Extends: GObject.Object,
Abstract: true,
_init: function(params) {
this.parent();
this._visible = true;
this._mapView = params.mapView;
this.file = params.file;
this.filename = this.file.query_info(
Gio.FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
Gio.FileQueryInfoFlags.NONE,
null
).get_attribute_string(Gio.FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME);
this._markerLayer = new Champlain.MarkerLayer({
selection_mode: Champlain.SelectionMode.SINGLE
});
this._mapSource = null;
},
get bbox() {
return this._mapSource.bbox;
},
get visible() {
return this._visible;
},
set visible(v) {
if (v && !this._visible) {
this._mapView.view.add_overlay_source(this._mapSource, 255);
this._markerLayer.show_all_markers();
} else if (!v && this._visible) {
this._mapView.view.remove_overlay_source(this._mapSource);
this._markerLayer.hide_all_markers();
}
this._visible = v;
},
getName: function() {
/*
* Remove file extension and use that in lieu of a fileformat-specific
* display name.
*/
return this.filename.replace(/\.[^\.]+$/, '');
},
load: function() {
let [status, buffer] = this.file.load_contents(null);
this._fileContents = buffer;
if (!status)
throw new Error(_("failed to load file"));
this._parseContent();
this._mapView.view.add_layer(this._markerLayer);
this._mapView.view.add_overlay_source(this._mapSource, 255);
},
_parseContent: function() {
/* Unimplemented */
},
unload: function() {
this._mapView.view.remove_layer(this._markerLayer);
this._mapView.view.remove_overlay_source(this._mapSource);
}
});
ShapeLayer.mimeTypes = [];
ShapeLayer.displayName = '';