js & right click menu & 鼠标滑词

    // 鼠标滑词

    mouseSlipGetWords() {

        const getSelectionText = () => {

            let selectedTextWithTrim = ``;

            if (window.getSelection){

                // all modern browsers and IE9+

                selectedTextWithTrim = window.getSelection().toString().trim();

                // console.log(`you selected text with trim() =`, selectedTextWithTrim);

            } else {

                console.error(`鼠标滑词 selectedText is empty!`);

            }

            return selectedTextWithTrim;

        };

        let textarea = document.querySelector(`#audit-common-handle-text`);

        let that = this;

        if (document.addEventListener) {

            // IE >= 9; other browsers

            textarea.addEventListener('contextmenu', function(e) {

                let value = getSelectionText() || "";

                if (value) {

                    that.$hMessage.success(`滑动选取的单词: ${value}`);

                    // that.isNewAddLabel = true;

                    // that.tableLoading = true;

                    that.commonHandleModalTableData = [];

                    that.searchValue = value;

                    // update value with auto click

                    that.getLabelCategories(``, ``);

                    that.onClickSearch();

                    setTimeout(() => {

                        // show modal with delay

                        that.modalNew.showModal = true;

                    }, 0);

                } else {

                    console.log(`selected text is empty!`);

                    that.$hMessage.error(`滑动选取的单词不可为空`);

                    // this.$hMessage.info(`滑动选取的单词不可为空`);

                }

                e.preventDefault();

            }, false);

        } else {

            // IE < 9

            document.attachEvent('oncontextmenu', function() {

                // alert("You've tried to open context menu");

                window.event.returnValue = false;

            });

        }

    },

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