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Add ngeo-exportfeatures directive, used in gmf-drawfeature
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,214 @@ | ||
| goog.provide('ngeo.ExportfeaturesController'); | ||
| goog.provide('ngeo.exportfeaturesDirective'); | ||
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| goog.require('ngeo'); | ||
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| /** | ||
| * Directive used to export vector features in different types of format. | ||
| * To configure which formats to use, define the `ngeoExportFeatureFormats` | ||
| * constant, as such: | ||
| * | ||
| * app.module.constant('ngeoExportFeatureFormats', [ | ||
| * ngeo.FeatureHelper.FormatType.KML, | ||
| * ngeo.FeatureHelper.FormatType.GPX | ||
| * ]); | ||
| * | ||
| * Example: | ||
| * | ||
| * <button | ||
| * ngeo-exportfeatures | ||
| * ngeo-exportfeatures-features="ctrl.features" | ||
| * class="btn btn-link">Export</button> | ||
| * | ||
| * @htmlAttribute {ol.Collection.<ol.Feature>} ngeo-exportfeatures-features The | ||
| * features to export | ||
| * @return {angular.Directive} The directive specs. | ||
| * @ngInject | ||
| * @ngdoc directive | ||
| * @ngname ngeoExportfeatures | ||
| */ | ||
| ngeo.exportfeaturesDirective = function() { | ||
| return { | ||
| controller: 'ngeoExportfeaturesController', | ||
| scope: true, | ||
| bindToController: { | ||
| 'features': '=ngeoExportfeaturesFeatures' | ||
| }, | ||
| controllerAs: 'efCtrl' | ||
| }; | ||
| }; | ||
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| ngeo.module.directive('ngeoExportfeatures', ngeo.exportfeaturesDirective); | ||
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| /** | ||
| * @param {angular.JQLite} $element Element. | ||
| * @param {angular.$injector} $injector Main injector. | ||
| * @param {!angular.Scope} $scope Angular scope. | ||
| * @param {ngeo.FeatureHelper} ngeoFeatureHelper Ngeo feature helper service. | ||
| * @constructor | ||
| * @ngInject | ||
| * @ngdoc controller | ||
| * @ngname ngeoExportfeaturesController | ||
| */ | ||
| ngeo.ExportfeaturesController = function($element, $injector, $scope, | ||
| ngeoFeatureHelper) { | ||
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| /** | ||
| * @type {ol.Collection.<ol.Feature>} | ||
| * @private | ||
| */ | ||
| this.features; | ||
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| /** | ||
| * @type {angular.JQLite} | ||
| * @private | ||
| */ | ||
| this.element_ = $element; | ||
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| var uid = goog.getUid(this); | ||
| var id = ['ngeo-exportfeature', uid].join('-'); | ||
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| /** | ||
| * @type {string} | ||
| * @private | ||
| */ | ||
| this.id_ = id; | ||
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| /** | ||
| * @type {ngeo.FeatureHelper} | ||
| * @private | ||
| */ | ||
| this.featureHelper_ = ngeoFeatureHelper; | ||
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| var formats; | ||
| if ($injector.has('ngeoExportFeatureFormats')) { | ||
| formats = $injector.get('ngeoExportFeatureFormats'); | ||
| } else { | ||
| formats = [ngeo.FeatureHelper.FormatType.KML]; | ||
| } | ||
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| /** | ||
| * @type {?jQuery} | ||
| * @private | ||
| */ | ||
| this.menu_ = null; | ||
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| /** | ||
| * @type {Array.<jQuery>} | ||
| * @private | ||
| */ | ||
| this.items_ = []; | ||
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| // build the drop-down menu and items of there's more than one format | ||
| if (formats.length > 1) { | ||
| $element.attr('id', id); | ||
| var $menu = $('<ul />', { | ||
| 'class': 'dropdown-menu', | ||
| 'aria-labelledby': id | ||
| }).appendTo($element.parent()[0]); | ||
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| this.menu_ = $menu; | ||
| var $item; | ||
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| formats.forEach(function(format) { | ||
| $item = $('<li />') | ||
| .appendTo($menu) | ||
| .append($('<a />', { | ||
| 'href': '#', | ||
| 'text': format | ||
| }) | ||
| .on( | ||
| ['click', id].join('.'), | ||
| this.handleMenuItemClick_.bind(this, format) | ||
| ) | ||
| ); | ||
| this.items_.push($item); | ||
| }, this); | ||
| } | ||
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| /** | ||
| * @type {Array.<string>} | ||
| * @private | ||
| */ | ||
| this.formats_ = formats; | ||
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| $element.on(['click', id].join('.'), this.handleElementClick_.bind(this)); | ||
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| $scope.$on('$destroy', this.handleDestroy_.bind(this)); | ||
| }; | ||
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| /** | ||
| * Called when the element bound to this directive is clicked. Use the feature | ||
| * helper to export the feature(s) depending on the format(s) available(s). | ||
| * If there's only one, the call to the export method is direct, otherwise | ||
| * a drop-down menu is show to let the user choose the format of the export. | ||
| * Finally, if there's only one feature in the collection to export and there's | ||
| * more than one format set, some formats may not support the type of geometry. | ||
| * If that's the case, then disable each format item in the drop-down menu | ||
| * that doesn't support the type of geometry. | ||
| * @private | ||
| */ | ||
| ngeo.ExportfeaturesController.prototype.handleElementClick_ = function() { | ||
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| var features = this.features.getArray(); | ||
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| if (this.formats_.length === 1) { | ||
| this.featureHelper_.export(features, this.formats_[0]); | ||
| } else if (features.length === 1) { | ||
| var feature = features[0]; | ||
| var geom = feature.getGeometry(); | ||
| var $item; | ||
| this.formats_.forEach(function(format, i) { | ||
| $item = this.items_[i]; | ||
| if (format === ngeo.FeatureHelper.FormatType.GPX) { | ||
| if (geom instanceof ol.geom.Point || | ||
| geom instanceof ol.geom.LineString) { | ||
| $item.removeClass('disabled'); | ||
| } else { | ||
| $item.addClass('disabled'); | ||
| } | ||
| } | ||
| }, this); | ||
| } | ||
| }; | ||
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| /** | ||
| * Called when a menu item is clicked. Export the features to the selected | ||
| * format. | ||
| * @param {string} format Format. | ||
| * @private | ||
| */ | ||
| ngeo.ExportfeaturesController.prototype.handleMenuItemClick_ = function( | ||
| format) { | ||
| var features = this.features.getArray(); | ||
| this.featureHelper_.export(features, format); | ||
| }; | ||
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| /** | ||
| * Cleanup event listeners and remove the menu from DOM, if any. | ||
| * @private | ||
| */ | ||
| ngeo.ExportfeaturesController.prototype.handleDestroy_ = function() { | ||
| var id = this.id_; | ||
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| this.element_.off(['click', id].join('.')); | ||
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| if (this.menu_) { | ||
| this.menu_.remove(); | ||
| this.items_.forEach(function($item) { | ||
| $item.off(['click', id].join('.')); | ||
| }, this); | ||
| this.items_.length = 0; | ||
| this.menu_ = null; | ||
| } | ||
| }; | ||
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| ngeo.module.controller( | ||
| 'ngeoExportfeaturesController', ngeo.ExportfeaturesController); |
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