Grammalecte  Check-in [3d4e5a9e46]

            }
            return xNode;
        }
        catch (e) {
            showError(e);
        }
    },

    sendTextToClipboard (sText)  {
        // recipe from https://github.com/mdn/webextensions-examples/blob/master/context-menu-copy-link-with-types/clipboard-helper.js
        // It doesn’t seem to work anymore
        //console.log(sText);
        function setClipboardData (xEvent) {
            document.removeEventListener("copy", setClipboardData, true);
            xEvent.stopImmediatePropagation();
            xEvent.preventDefault();
            xEvent.clipboardData.setData("text/plain", sText);
        }
        document.addEventListener("copy", setClipboardData, true);
        document.execCommand("copy");
    },

    getCaretPosition (xElement) {
        // JS awfulness again.
        // recepie from https://stackoverflow.com/questions/4811822/get-a-ranges-start-and-end-offsets-relative-to-its-parent-container
        let nCaretOffsetStart = 0;
        let nCaretOffsetEnd = 0;
        let xSelection = window.getSelection();

    }

    addMessageToGCPanel (sMessage) {
        let xNode = oGrammalecte.createNode("div", {className: "grammalecte_panel_flow_message", textContent: sMessage});
        this.xParagraphList.appendChild(xNode);
    }

    _copyToClipboard (sText)  {
        // recipe from https://github.com/mdn/webextensions-examples/blob/master/context-menu-copy-link-with-types/clipboard-helper.js
        function setClipboardData (xEvent) {
            document.removeEventListener("copy", setClipboardData, true);
            xEvent.stopImmediatePropagation();
            xEvent.preventDefault();
            xEvent.clipboardData.setData("text/plain", sText);
        }
        document.addEventListener("copy", setClipboardData, true);
        document.execCommand("copy");
    }

    copyTextToClipboard () {
        this.startWaitIcon();
        try {
            let xClipboardButton = this.xParent.getElementById("grammalecte_clipboard_button");
            xClipboardButton.textContent = "⇒ presse-papiers";
            let sText = "";
            // Quand c'est dans un shadow "this.xParent.getElementsByClassName" n'existe pas.
            let xElem = this.xParent.getElementById("grammalecte_gc_panel");
            for (let xNode of xElem.getElementsByClassName("grammalecte_paragraph")) {
                sText += xNode.textContent + "\n";
            }
            this._copyToClipboard(sText);
            oGrammalecte.sendTextToClipboard(sText);
            window.setTimeout(() => { xClipboardButton.textContent = "📋"; }, 2000);
        }
        catch (e) {
            showError(e);
        }
        this.stopWaitIcon();
    }