Initial commit

2020-06-15 10:58:47 +08:00
commit 4f1dfe7564
8590 changed files with 1516878 additions and 0 deletions
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+var CoreView = require('backbone/core-view');
+var _ = require('underscore');
+var Backbone = require('backbone');
+var template = require('./dataset-actions.tpl');
+
+// 'mapAction' is not required  because a viewer user can't create maps
+var REQUIRED_OPTS = {
+  previewAction: true,
+  queryGeometryModel: true,
+  mapAction: false
+};
+
+module.exports = CoreView.extend({
+  className: 'Dataset-options-actions',
+
+  events: {
+    'click .js-createMap': '_onCreateMap',
+    'click .js-previewMap': '_onPreviewMap'
+  },
+
+  initialize: function (opts) {
+    _.each(REQUIRED_OPTS, function (isRequired, item) {
+      if (opts[item]) {
+        this['_' + item] = opts[item];
+      } else if (isRequired) {
+        throw new Error(item + ' is required');
+      }
+    }, this);
+
+    this._initViewState();
+    this.listenTo(this._queryGeometryModel, 'change:status', this._setViewState);
+    this.listenTo(this._viewState, 'change', this.render);
+  },
+
+  render: function () {
+    this.clearSubViews();
+    this.$el.html(
+      template({
+        hasGeometry: this._viewState.get('hasGeometry'),
+        canCreateMap: !!this._mapAction
+      })
+    );
+    return this;
+  },
+
+  _initViewState: function () {
+    this._viewState = new Backbone.Model({
+      hasGeometry: true
+    });
+    this._setViewState();
+  },
+
+  _onPreviewMap: function () {
+    this._previewAction && this._previewAction();
+  },
+
+  _onCreateMap: function () {
+    this._mapAction && this._mapAction();
+  },
+
+  _setViewState: function () {
+    this._queryGeometryModel.hasValueAsync()
+      .then(function (hasGeom) {
+        this._viewState.set('hasGeometry', hasGeom);
+      }.bind(this))
+      .catch(function () {
+        this._viewState.set('hasGeometry', false);
+      }.bind(this));
+  }
+});