forked from enviPath/enviPy
61 lines
2.0 KiB
JavaScript
61 lines
2.0 KiB
JavaScript
/****************************************************************************
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* Copyright 2017 EPAM Systems
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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***************************************************************************/
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var Action = require('../action');
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function ReactionPlusTool(editor) {
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if (!(this instanceof ReactionPlusTool))
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return new ReactionPlusTool(editor);
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this.editor = editor;
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this.editor.selection(null);
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}
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ReactionPlusTool.prototype.mousedown = function (event) {
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var rnd = this.editor.render;
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var ci = this.editor.findItem(event, ['rxnPluses']);
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if (ci && ci.map === 'rxnPluses') {
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this.editor.hover(null);
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this.editor.selection({ rxnPluses: [ci.id] });
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this.dragCtx = { xy0: rnd.page2obj(event) };
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}
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};
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ReactionPlusTool.prototype.mousemove = function (event) {
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var rnd = this.editor.render;
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if ('dragCtx' in this) {
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if (this.dragCtx.action)
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this.dragCtx.action.perform(rnd.ctab);
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this.dragCtx.action = Action.fromMultipleMove(
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rnd.ctab,
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this.editor.selection() || {},
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rnd.page2obj(event).sub(this.dragCtx.xy0)
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);
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this.editor.update(this.dragCtx.action, true);
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} else {
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this.editor.hover(this.editor.findItem(event, ['rxnPluses']));
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}
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};
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ReactionPlusTool.prototype.mouseup = function (event) {
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var rnd = this.editor.render;
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if (this.dragCtx) {
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this.editor.update(this.dragCtx.action); // TODO investigate, subsequent undo/redo fails
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delete this.dragCtx;
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} else {
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this.editor.update(Action.fromPlusAddition(rnd.ctab, rnd.page2obj(event)));
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}
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};
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module.exports = ReactionPlusTool;
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