Current Dev State

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

@@ -0,0 +1,65 @@
+/****************************************************************************
+ * 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 element = require('../../chem/element');
+
+function AttachTool(editor, attachPoints) {
+	if (!(this instanceof AttachTool))
+		return new AttachTool(editor, attachPoints);
+
+	this.attach = attachPoints || { atomid: 0, bondid: 0 };
+	this.editor = editor;
+
+	this.editor.selection({
+		atoms: [this.attach.atomid],
+		bonds: [this.attach.bondid]
+	});
+}
+
+AttachTool.prototype.mousemove = function (event) {
+	var rnd = this.editor.render;
+
+	var ci = this.editor.findItem(event, ['atoms', 'bonds']);
+	var struct = rnd.ctab.molecule;
+	if (ci && ((ci.map === 'atoms' && element.map[struct.atoms.get(ci.id).label]) || ci.map === 'bonds'))
+		this.editor.hover(ci);
+	else
+		this.editor.hover(null);
+	return true;
+};
+
+AttachTool.prototype.mouseup = function (event) {
+	var editor = this.editor;
+	var rnd = editor.render;
+	var struct = rnd.ctab.molecule;
+	var ci = editor.findItem(event, ['atoms', 'bonds']);
+
+	if (ci && ((ci.map === 'atoms' && element.map[struct.atoms.get(ci.id).label]) || ci.map === 'bonds')) {
+		if (ci.map === 'atoms')
+			this.attach.atomid = ci.id;
+		else
+			this.attach.bondid = ci.id;
+
+		this.editor.selection({
+			atoms: [this.attach.atomid],
+			bonds: [this.attach.bondid]
+		});
+		this.editor.event.attachEdit.dispatch(this.attach);
+	}
+	return true;
+};
+
+module.exports = AttachTool;