Insert into other grid

form.xhtml

<xh:html xmlns:xh="http://www.w3.org/1999/xhtml"
         xmlns:xxf="http://orbeon.org/oxf/xml/xforms"
         xmlns:xxi="http://orbeon.org/oxf/xml/xinclude"
         xmlns:saxon="http://saxon.sf.net/"
         xmlns:fr="http://orbeon.org/oxf/xml/form-runner"
         xmlns:xf="http://www.w3.org/2002/xforms"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:sql="http://orbeon.org/oxf/xml/sql"
         xmlns:ev="http://www.w3.org/2001/xml-events"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         xmlns:exf="http://www.exforms.org/exf/1-0"
         xmlns:xs="http://www.w3.org/2001/XMLSchema"
         xmlns:fb="http://orbeon.org/oxf/xml/form-builder"
         xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <xh:head>
        <xh:title>Untitled Form</xh:title>
        <xf:model id="fr-form-model" xxf:expose-xpath-types="true">

            <!-- Main instance -->
            <xf:instance id="fr-form-instance" xxf:exclude-result-prefixes="#all" xxf:index="id">
                <form>
                    <section1>
                        <grid1>
                            <grid1-iteration>
                                <name/>
                            </grid1-iteration>
                        </grid1>
                    </section1>
                    <section2>
                        <grid2>

                        </grid2>
                    </section2>
                </form>
            </xf:instance>

            <!-- Bindings -->
            <xf:bind id="fr-form-binds" ref="instance('fr-form-instance')">
                <xf:bind id="section1-bind" name="section1" ref="section1">
                    <xf:bind id="grid1-bind" ref="grid1" name="grid1">
                        <xf:bind id="grid1-iteration-bind" ref="grid1-iteration" name="grid1-iteration">
                            <xf:bind id="name-bind" ref="name" name="name" xxf:whitespace="trim"/>
                        </xf:bind>
                    </xf:bind>
                </xf:bind>
                <xf:bind id="section2-bind" ref="section2" name="section2">
                    <xf:bind id="grid2-bind" ref="grid2" name="grid2">
                        <xf:bind id="grid2-iteration-bind" ref="grid2-iteration" name="grid2-iteration">
                            <xf:bind id="name-copy-bind" ref="name-copy" name="name-copy"/>
                        </xf:bind>
                    </xf:bind>
                </xf:bind>
            </xf:bind>

            <!-- Metadata -->
            <xf:instance xxf:readonly="true" id="fr-form-metadata" xxf:exclude-result-prefixes="#all">
                <metadata>
                    <application-name>a</application-name>
                    <form-name>a</form-name>
                    <title xml:lang="en">Untitled Form</title>
                    <description xml:lang="en"/>
                    <singleton>false</singleton>
                </metadata>
            </xf:instance>

            <!-- Attachments -->
            <xf:instance id="fr-form-attachments" xxf:exclude-result-prefixes="#all">
                <attachments>
                    <css mediatype="text/css" filename="" size=""/>
                    <pdf mediatype="application/pdf" filename="" size=""/>
                </attachments>
            </xf:instance>

            <!-- All form resources -->
            <xf:instance xxf:readonly="true" id="fr-form-resources" xxf:exclude-result-prefixes="#all">
                <resources>
                    <resource xml:lang="en">
                        <name-copy>
                            <label>Name from Section 1</label>
                            <hint/>
                        </name-copy>
                        <name>
                            <label>Name</label>
                            <hint/>
                        </name>
                        <section1>
                            <label>Section 1</label>
                        </section1>
                        <section2>
                            <label>Section 2</label>
                            <help/>
                        </section2>
                    </resource>
                </resources>
            </xf:instance>

            <!-- Utility instances for services -->
            <xf:instance id="fr-service-request-instance" xxf:exclude-result-prefixes="#all">
                <request/>
            </xf:instance>
            <xf:instance id="fr-service-response-instance" xxf:exclude-result-prefixes="#all">
                <response/>
            </xf:instance>
            <xf:instance xxf:readonly="true" xxf:exclude-result-prefixes="#all" id="grid1-template">
                <grid1-iteration>
                    <name/>
                </grid1-iteration>
            </xf:instance>
            <xf:instance xxf:readonly="true" xxf:exclude-result-prefixes="#all" id="grid2-template">
                <grid2-iteration>
                    <name-copy/>
                </grid2-iteration>
            </xf:instance>

            <xf:action event="fr-iteration-added" observer="grid1-control">

                <xf:var name="source-names" value="xxf:bind('grid1-bind')//name/string()"/>
                <xf:var name="dest-names"   value="xxf:bind('grid2-bind')//name-copy/string()"/>
                <xf:var name="new-names"    value="$source-names[normalize-space(.) != '' and not(. = $dest-names)]"/>

                <xf:action iterate="$new-names">

                    <xf:var name="new-name" value="."/>

                    <xf:insert
                        context="xxf:bind('grid2-bind')"
                        ref="*"
                        origin="instance('grid2-template')"/>

                    <xf:setvalue
                        ref="xxf:bind('grid2-bind')/*[last()]//name-copy"
                        value="$new-name"/>

                </xf:action>

            </xf:action>
            <xf:action event="fr-iteration-removed" observer="grid1-control">

            </xf:action>
        </xf:model>
    </xh:head>
    <xh:body>
        <fr:view>
            <fr:body xmlns:xbl="http://www.w3.org/ns/xbl" xmlns:p="http://www.orbeon.com/oxf/pipeline"
                     xmlns:oxf="http://www.orbeon.com/oxf/processors">
                <fr:section id="section1-control" bind="section1-bind">
                    <xf:label ref="$form-resources/section1/label"/>
                    <fr:grid id="grid1-control" bind="grid1-bind" repeat="content" min="1"
                             template="instance('grid1-template')"
                             apply-defaults="true"
                             fb:initial-iterations="first">
                        <xh:tr>
                            <xh:td>
                                <xf:input id="name-control" bind="name-bind">
                                    <xf:label ref="$form-resources/name/label"/>
                                    <xf:hint ref="$form-resources/name/hint"/>
                                    <xf:alert ref="$fr-resources/detail/labels/alert"/>
                                </xf:input>
                            </xh:td>
                            <xh:td/>
                        </xh:tr>
                    </fr:grid>
                </fr:section>
                <fr:section id="section2-control" bind="section2-bind">
                    <xf:label ref="$form-resources/section2/label"/>
                    <fr:grid id="grid2-control" bind="grid2-bind" repeat="content"
                             template="instance('grid2-template')"
                             apply-defaults="true"
                             fb:initial-iterations="first">
                        <xh:tr>
                            <xh:td>
                                <xf:output id="name-copy-control" bind="name-copy-bind">
                                    <xf:label ref="$form-resources/name-copy/label"/>
                                    <xf:hint ref="$form-resources/name-copy/hint"/>
                                    <xf:alert ref="$fr-resources/detail/labels/alert"/>
                                </xf:output>
                            </xh:td>
                            <xh:td/>
                            <xh:td/>
                        </xh:tr>
                    </fr:grid>
                </fr:section>
            </fr:body>
        </fr:view>
    </xh:body>
</xh:html>