Current Dev State

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

@@ -0,0 +1,59 @@
+/****************************************************************************
+ * 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');
+
+function PasteTool(editor, struct) {
+	if (!(this instanceof PasteTool))
+		return new PasteTool(editor, struct);
+
+	this.editor = editor;
+	this.editor.selection(null);
+	this.struct = struct;
+
+	var rnd = editor.render;
+	var point = editor.lastEvent ?
+	    rnd.page2obj(editor.lastEvent) : null;
+	this.action = Action.fromPaste(rnd.ctab, this.struct, point);
+	this.editor.update(this.action, true);
+}
+
+PasteTool.prototype.mousemove = function (event) {
+	var rnd = this.editor.render;
+	if (this.action)
+		this.action.perform(rnd.ctab);
+	this.action = Action.fromPaste(rnd.ctab, this.struct, rnd.page2obj(event));
+	this.editor.update(this.action, true);
+};
+
+PasteTool.prototype.mouseup = function () {
+	if (this.action) {
+		var action = this.action;
+		delete this.action;
+		this.editor.update(action);
+	}
+};
+
+PasteTool.prototype.cancel = PasteTool.prototype.mouseleave = function () {
+	var rnd = this.editor.render;
+	if (this.action) {
+		this.action.perform(rnd.ctab); // revert the action
+		delete this.action;
+		rnd.update();
+	}
+};
+
+module.exports = PasteTool;