Current Dev State

static/js/ketcher2/script/editor/tool/charge.js

@@ -0,0 +1,53 @@
+/****************************************************************************
+ * 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.
+ ***************************************************************************/
+
+var Action = require('../action');
+var element = require('../../chem/element');
+
+function ChargeTool(editor, charge) {
+	if (!(this instanceof ChargeTool))
+		return new ChargeTool(editor, charge);
+
+	this.editor = editor;
+	this.editor.selection(null);
+	this.charge = charge;
+}
+
+ChargeTool.prototype.mousemove = function (event) {
+	var rnd = this.editor.render;
+	var ci = this.editor.findItem(event, ['atoms']);
+	var struct = rnd.ctab.molecule;
+	if (ci && ci.map === 'atoms' && element.map[struct.atoms.get(ci.id).label])
+		this.editor.hover(ci);
+	else
+		this.editor.hover(null);
+	return true;
+};
+ChargeTool.prototype.mouseup = function (event) {
+	var editor = this.editor;
+	var rnd = editor.render;
+	var struct = rnd.ctab.molecule;
+	var ci = editor.findItem(event, ['atoms']);
+	if (ci && ci.map === 'atoms' && element.map[struct.atoms.get(ci.id).label]) {
+		this.editor.hover(null);
+		this.editor.update(Action.fromAtomsAttrs(rnd.ctab, ci.id, {
+			charge: struct.atoms.get(ci.id).charge + this.charge
+		}));
+	}
+	return true;
+};
+
+module.exports = ChargeTool;