Current Dev State

static/js/ketcher2/script/ui/state/action.js

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+/****************************************************************************
+ * Copyright 2017 EPAM Systems
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ***************************************************************************/
+
+import acts from '../action';
+import { isEqual, isEmpty, pickBy } from 'lodash/fp';
+
+function execute(activeTool, { action, editor, server, options }) {
+	if (action.tool) {
+		if (editor.tool(action.tool, action.opts))
+			return action;
+	}
+	else if (typeof action === 'function')
+		action(editor, server, options);
+	else
+		console.info('no action');
+	return activeTool;
+}
+
+function selected(actObj, activeTool, { editor, server }) {
+	if (typeof actObj.selected === 'function')
+		return actObj.selected(editor, server);
+	else if (actObj.action && actObj.action.tool)
+		return isEqual(activeTool, actObj.action);
+	return false;
+}
+
+function disabled(actObj, { editor, server, options }) {
+	if (typeof actObj.disabled === 'function')
+		return actObj.disabled(editor, server, options);
+	return false;
+}
+
+function status(key, activeTool, params) {
+	let actObj = acts[key];
+	return pickBy(x => x, {
+		selected: selected(actObj, activeTool, params),
+		disabled: disabled(actObj, params)
+	});
+}
+
+export default function (state=null, { type, action, ...params }) {
+	switch(type) {
+	case 'INIT':
+		action = acts['select-lasso'].action;
+	case 'ACTION':
+		const activeTool = execute(state && state.activeTool, {
+			...params, action
+		});
+	case 'UPDATE':
+		return Object.keys(acts).reduce((res, key) => {
+			const value = status(key, res.activeTool, params);
+			if (!isEmpty(value))
+				res[key] = value;
+			return res;
+		}, { activeTool: activeTool || state.activeTool });
+	default:
+		return state;
+	}
+}