63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
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var Backbone = require('backbone');
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var VIEWING_MODE = 'viewing';
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var DRAWING_FEATURE_MODE = 'drawing';
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var EDITING_FEATURE_MODE = 'editing';
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var MapMode = Backbone.Model.extend({
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defaults: {
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mode: VIEWING_MODE
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},
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enterViewingMode: function () {
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delete this._featureDefinition;
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this.set('mode', VIEWING_MODE);
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},
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enterDrawingFeatureMode: function (feature) {
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this._featureDefinition = feature;
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this.set('mode', DRAWING_FEATURE_MODE);
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},
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enterEditingFeatureMode: function (feature) {
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this._featureDefinition = feature;
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this.set('mode', EDITING_FEATURE_MODE);
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},
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getFeatureDefinition: function () {
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return this._featureDefinition;
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},
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isViewingMode: function () {
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return this._isMode(VIEWING_MODE);
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},
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isDrawingFeatureMode: function () {
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return this._isMode(DRAWING_FEATURE_MODE);
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},
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isEditingFeatureMode: function () {
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return this._isMode(EDITING_FEATURE_MODE);
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},
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bindRouteEvents: function (routeModel) {
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this.listenTo(routeModel, 'change:currentRoute', this._handleRoute, this);
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},
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_handleRoute: function (routeModel) {
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var currentRoute = routeModel.get('currentRoute');
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var routeName = currentRoute[0];
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if (routeName !== 'edit_feature' &&
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routeName.indexOf('add_feature_') !== 0) {
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this.enterViewingMode();
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}
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},
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_isMode: function (mode) {
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return this.get('mode') === mode;
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}
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});
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module.exports = MapMode;
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