xxx-yyy.js

// this code is copied and modified from dialogs.js 
(function(){
    var chainedonload = function(callback){
        var old = window.onload;

        window.onload = function(){
            if(typeof old == 'function') old.apply(this, arguments);
            if(typeof callback == 'function') callback.apply(this, arguments);
        };
    };

    chainedonload(function()
    {
        function getAjaxOptions () {
                var $focusRow = jira.app.issuenavigator.get$focusedRow();
                var linkIssueURI = this.options.url || this.$activeTrigger.attr("href");

                if (/id=\{0\}/.test(linkIssueURI)) {
                    if (!$focusRow.length) {
                        return false;
                    } else {
                        linkIssueURI = linkIssueURI.replace(/(id=\{0\})/, "id=" + $focusRow.attr("rel"));
                    }
                }

                if (jira.app.issuenavigator.isNavigator()) {
                    var result = /[?&]id=([0-9]+)/.exec(linkIssueURI);
                    this.issueId = result && result.length == 2 ? result[1] : null;
                    if(this.issueId !== $focusRow.attr("rel")) {
                        //if the issue id doesn't match the focused row's issue id then reassign focus and get the
                        //issuekey from the newly focused row! This can happen when clicking the pencil for the
                        //labels picker.
                        jira.app.issuenavigator.shortcuts.focusRow(this.issueId);
                        $focusRow = jira.app.issuenavigator.get$focusedRow();
                    }
                    this.issueKey = jira.app.issuenavigator.getSelectedIssueKey();
                }

                return {
                    data: {decorator: "dialog", inline: "true"},
                    url: linkIssueURI
                };
            }

        /**
         * Stores the current issue id into session storage if the dialogs submits successfully
         */
        function storeCurrentIssueIdOnSucessfulSubmit() {

            if (jira.app.issuenavigator.isNavigator()) {
                var issueId = this.issueId;
                var issueKey = this.issueKey;
                if (! issueId) {
                    issueId = jira.app.issuenavigator.getSelectedIssueId();
                    issueKey = jira.app.issuenavigator.getSelectedIssueKey();
                }
                if (issueId)
                {
                    var sessionStorge = jira.app.session.storage;
                    sessionStorge.setItem('selectedIssueId', issueId);
                    sessionStorge.setItem('selectedIssueKey', issueKey);
                    sessionStorge.setItem('selectedIssueMsg', this.options.issueMsg);
                }
            }
            this.issueId = null;
            this.issueKey = null;
        }

        function applyCommentControls(context) {
            new AJS.SecurityLevelMenu(AJS.$("#commentLevel", context));
            var wikiRenders = jQuery(".wiki-js-prefs", context);
            wikiRenders.each(function() {
                jira.app.wikiPreview(this, context).init();
            });
        }

        var DIALOGS = {
            xyz : new AJS.FormPopup({
                id: "xxx-yyy-zzz-dialog",
                width : 1320,
                trigger: "a#xxx.yyy.myId",      // link id spefied previously as web-item link id
                ajaxOptions: getAjaxOptions,
                onSuccessfulSubmit : storeCurrentIssueIdOnSucessfulSubmit,
                issueMsg : 'thanks_xyz',
                onContentRefresh: function () {
                    jQuery(".overflow-ellipsis").textOverflow();
                    var context = this.get$popupContent();
                    applyCommentControls(context);
                }
            })
        };

        /**
         * Dialogs should only show up if there's an issue to work on!
         */
        AJS.$.each(DIALOGS, function (name, dialog) {
            if (dialog instanceof AJS.FlexiPopup) {
                AJS.$(dialog).bind("beforeShow", function (e) {
                    //for all dialogs except for the keyboard shortcuts, check if we have a valid issue to work on!
                    return jira.app.issuenavigator.isRowSelected() || jira.app.issue.getIssueId() !== undefined;
                });
            }
        });

        AJS.$('<input type="hidden" id="thanks_xyz" value="Thanks, xyz"/>')
            .appendTo(document.body);
    });
})();