Grammalecte  Diff

        this.xContentNode.appendChild(this.xParagraphList);
        this.xPanelContent.addEventListener("click", onGrammalecteGCPanelClick, false);
        this.oTooltip = new GrammalecteTooltip(this.xContentNode);
        this.xPanelContent.appendChild(this.xContentNode);
        this.oTAC = new GrammalecteTextAreaControl();
    }

    start (xNode=null) {
        this.oTooltip.hide();
        this.clear();
        if (xNode && xNode.tagName == "TEXTAREA") {
            this.oTAC.setTextArea(xNode);
        }
    }

    clear () {
        while (this.xParagraphList.firstChild) {
            this.xParagraphList.removeChild(this.xParagraphList.firstChild);
        }

    }

    addSummary () {
        // todo
    }

    addMessage (sMessage) {
        let xNode = oGrammalecte.createNode("div", {className: "grammalecte_panel_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);

        sText = sText.replace("\r\n", "\n").replace("\r", "\n");
        while ((iEnd = sText.indexOf("\n", iStart)) !== -1) {
            this._dParagraph.set(i, sText.slice(iStart, iEnd));
            i++;
            iStart = iEnd+1;
        }
        this._dParagraph.set(i, sText.slice(iStart));
        //console.log("Paragraphs number: " + (i+1));
    }

    write () {
        if (this._xTextArea !== null) {
            let sText = "";
            this._dParagraph.forEach(function (val, key) {
                sText += val + "\n";
            });
            this._xTextArea.value = sText.slice(0,-1);
        }
    }
}