source: products/quintagroup.referencedatagridfield/branches/plone4/quintagroup/referencedatagridfield/skins/referencedatagridfield/referencedatagridwidget.js @ 2331

// ReferenceDataGridField related functions

dataGridFieldFunctions.addReferenceDataGridRow = function(id) {
    /* Explitcly add row for given DataGridField,
           then update row content with reference popup
           functionality.

           @param id Archetypes field id for the widget

    */
        
    // Add row with own DataGridField method
    this.addRow(id);

    // Find active row and add overlay related processors for active row
    var active_row = jq("#datagridwidget-tbody-" + id + " tr#datagridwidget-row:last");
    jq(active_row).prepRefPopup();
}

dataGridFieldFunctions.addReferenceDataGridRowAfter = function(currnode) {
    /*
        Creates a new row before the clicked row with preparation of
        reference related overlay.
    */
        
    // add row with datagrid original method
    this.addRowAfter(currnode);
    // find active row
    var tbody = jq(currnode).parents("[id^=datagridwidget-tbody-]");
    var rows = jq("#datagridwidget-row", tbody);
    var curr_row = jq(currnode).parents("tr#datagridwidget-row");
    var active_row = rows[rows.index(curr_row)-1];
    // add overlay related processors for active row
    jq(active_row).prepRefPopup();
}

dataGridFieldFunctions.OriginalUpdateOrderIndex = dataGridFieldFunctions.updateOrderIndex;
dataGridFieldFunctions.updateOrderIndex = function (tbody) {
    var rows, tr, idx, ov, ov_id, under_idx, new_ov_id
    // update order index with original method
    this.OriginalUpdateOrderIndex(tbody);
    // Update overlay related attributes after rows index updating
    // for all datagridwidget rows
    rows = jq("#datagridwidget-row", tbody);
    for (var i=0; i<rows.length; ++i) {
        // get working row
        tr = rows[i];
        // Update overlay related tags attributes
        order_tag = jq("input[id^=orderindex__]", tr);
        idx = order_tag.attr("value");
        // Update rel attribute for overlay box
        ov = jq("input.addreference", tr);
        ov_id = ov.attr("rel");
        under_idx = ov_id.lastIndexOf("_");
        base_id = (under_idx >= 0)? ov_id.substring(0, under_idx): "#atrb";
        new_ov_id = base_id + "_" + idx;
        ov.attr("rel", new_ov_id);
        // Update target box id - it must be equal to rel attribute
        jq("div[id^=atrb_]", tr).attr("id", new_ov_id.substring(1) );
    }
    
}

// Event handlers, used in referencebrowser.js

function triggerTitleClass(e) {
    var element = jq(e.target);
    var current = element.attr("value");
    var initial = element.attr("default_value");
    if (initial == null || current == null)
        return;

    if (initial == current) {
        element.attr("class", "not-changed-title-field");
    } else {
        element.attr("class", "changed-title-field")
    }
}

function triggerOnFocusStyles(e) {
    jq(e.target).attr("class",  "changed-title-field")
}