InteractingPalettesExample.jsx

#targetengine 'StyleToGrep'

// Experimental InDesign/ExtendScript/ScriptUI code for testing the idea of two interacting palettes.
// Discussion: https://community.adobe.com/t5/indesign/what-is-the-best-practices-to-call-palette-from-another-dialog/td-p/12154542
// [DISCLAIMER] The below script is just a quick proof of concept. Do not use it in production.

if( 'function' != typeof $.global.StyleToGrep )
{
    Object.prototype.setup=function(o,k){for(k in o)o.hasOwnProperty(k)&&(this[k]=o[k]);return this};

    $.global.StyleToGrep = function StyleToGrep(  ui)
    //----------------------------------
    {
        if( !callee.getDocument() )
        {
            alert("No InDesign documents are open. Please open a document and try again.");
            return;
        }
        (callee.WIN=callee.uiMain()).show();
    }
    .setup
    ({
        //--- Settings
        UI_TYPE:    'palette',
        MAIN_TITLE: "Assigned GREP Results Container to Object Styles - Version 2.0x",
        GREP_TITLE: "GREP Query Manager",
        // ---
        QUERY_EXT: '_GREP_Queries.txt',
        DEF_QUERIES: ["\\(.+?\\)", "\\d+", ".+:", ".+!?", "!?"],
        // ---
        WIN_PROPS: {resizable:false, closeButton:true, maximizeButton:false, minimizeButton:false, independent:false},
        WIN: false,
        SUB: false,
    })
    .setup
    ({
        //--- Methods
        about: function(){ alert("blabla...") },
        getDocument: function(){ return app.properties.activeDocument||false },
        styleNames: function(  doc){ return (doc=this.getDocument()) ? doc.objectStyles.everyItem().name : [] },

        queryFile: function(  doc,ff)
        {
            ff = (doc=this.getDocument()) && doc.properties.fullName;
            ff && (ff=ff.fsName.substr(0,ff.fsName.lastIndexOf('.')));
            ff && (ff=File(ff + this.QUERY_EXT));
            return ff || false;
        },

        loadQueries: function(  ff,r,msg)
        {
            r = (ff=this.queryFile()).exists && (ff.encoding='BINARY') && ff.open('r');
            r && (r=[ff.read().split(/[\r\n]+/g),ff.close()][0]);
            msg = r
            ? ( r.length ? "Done, GREP Queries Loaded." : "Empty GREP Queries file!" )
            : "Error. The GREP Queries file could not be opened!";
            alert( msg );
            return r;
        },

        saveQueries: function(/*str[]*/data,  ff)
        {
            if( !data.length ) return;
            if( (ff=this.queryFile()) && (ff.encoding='BINARY') && ff.open('w') )
            {
                ff.write(data.join('\r')); ff.close();
                alert("Done, File Saved in Same InDesign Document Location");
            }
        },
        
        assign: function(/*str*/style,/*str*/grep,  doc,os,a,t,z)
        {
            os = (doc=this.getDocument()) && doc.objectStyles.itemByName(style);
            if( (!os) || !os.isValid ) return;
            app.findGrepPreferences = app.changeGrepPreferences = +NothingEnum.NOTHING;
            app.findGrepPreferences.findWhat = grep;
            for
            (
                z=0, a=doc.findGrep()||0, i=a.length||0 ;
                i-- ;
                (t=a[i].parentTextFrames).length && (++z, t[0].appliedObjectStyle=os)
            );
            if( 0 < z ) alert( z + " containers(s) processed.")
        },
    })
    .setup
    ({
        // --- Main UI
        uiMain: function uiMain(  w,t,u)
        {
            if( w=Window.find(this.UI_TYPE,this.MAIN_TITLE) ){ return w; }

            w = new Window(this.UI_TYPE, this.MAIN_TITLE, u, this.WIN_PROPS);
            w.preferredSize.width = 600;
            w.alignChildren = ['center','top'];
            w.orientation = 'row';
            w.spacing = w.margins = 16;
            // ---
            t = w.add('group');
            t.orientation = 'column';
            t.alignChildren = ['left','top'];
            t.spacing = 4;
            // ---
            t.add('statictext', u, "GREP: ");
            w.grep = t.add('edittext', u, "");
            w.grep.characters = 20;
            w.grep.enabled = true;
            w.grep.preferredSize.width = 350; 
            // ---
            t.add('statictext', u, "Object Styles: ");
            w.oss = t.add('dropdownlist', u, this.styleNames());
            w.oss.preferredSize.width = 350; 
            w.oss.selection = 0;
            
            t = w.add('group');
            t.orientation = 'column';
            t.add('button', u, "Find GREP and Apply Style", {cmd:'apply'});
            t.add('button', u, "GREP Query Manager", {cmd:'grep'});
            t.add('button', u, "Exit", {cmd:'exit'});
            t.add('button', u, "About", {cmd:'about'});
            
            t.addEventListener('click',callee.BTNS);
            w.center();
            return w;
        }
        .setup
        ({
            BTNS: function onButton(/*MouseEvent*/ev, t,w)
            {
                w = (t=ev.target).window;
                switch( (t.properties||0).cmd )
                {
                    case 'apply':
                        (t=w.oss.selection) && StyleToGrep.assign(t.text,w.grep.text);
                        break;
                    case 'exit':
                        StyleToGrep.SUB && StyleToGrep.SUB.close();
                        w.close();
                        break;
                    case 'grep':
                        t = StyleToGrep.SUB = StyleToGrep.uiGrep();
                        t.show();
                        t.active = true;
                        break;
                    case 'about':
                        StyleToGrep.about();
                        break;
                    default:;
                }
            },
        }),
    })
    .setup
    ({
        // --- Grep UI
        uiGrep: function(  w,t,u)
        {
            if( w=Window.find(this.UI_TYPE,this.GREP_TITLE) ){ return w; }

            w = new Window(this.UI_TYPE, this.GREP_TITLE, u, this.WIN_PROPS);
            w.orientation = 'row';
            w.margins = w.spacing = 16;
            w.alignChildren = ['left', 'top'];
            t = w.add('group');
            t.orientation = 'column';
            w.input = t.add('edittext');
            w.input.characters = 30;
            w.input.active = true;
            w.list = t.add('listbox', u, this.DEF_QUERIES, {multiselect:true});
            w.list.minimumSize.width = 300;
            w.list.minimumSize.height = 200;
            w.list.onChange = callee.LIST;
            // ---
            t = w.add('group');
            t.orientation = 'column';
            t.alignChildren = ['left','top'];
            t.add('button', u, "Insert",           {cmd:'insert'});
            t.add('button', u, "Delete Selection", {cmd:'delete'});
            t.add('button', u, "Delete All",       {cmd:'deleteall'});
            t.add('button', u, "Load",             {cmd:'load'});
            t.add('button', u, "Save",             {cmd:'save'});
            t.add('button', u, "Restore",          {cmd:'restore'});
            t.addEventListener('click',callee.BTNS);
            
            w.center();
            return w;
        }
        .setup
        ({
            LIST: function onListChange(  w,t)
            {
                w = this.window;
                t = this.selection; // ListItem[]
                w.input.text = t && t.length ? t[0].text : '';
                
                if( t=Window.find(StyleToGrep.UI_TYPE,StyleToGrep.MAIN_TITLE) )
                {
                    try{ t.grep.text=w.input.text }catch(_){}
                }
            },
            
            BTNS: function onButton(/*MouseEvent*/ev,  t,w,lb,a,i)
            {
                w = (t=ev.target).window;
                lb = w.list; // multisel
                switch( (t.properties||0).cmd )
                {
                    case 'insert':
                        t = w.input.text;
                        if( !lb.find(t) )
                        {
                            for( i=(a=lb.items).length ; i-- && t < a[i].text ; );
                            lb.add("item", t, 1+i);
                        }
                        w.input.text = "";
                        w.input.active = true;
                        break;

                    case 'delete':
                        a = lb.selection;
                        if( (!a) || !a.length ) break;
                        t = a[0].index;
                        for( i=a.length ; i-- ; lb.remove(a[i]) );
                        lb.selection = Math.min(t,lb.items.length-1);
                        break;
                    
                    case 'deleteall':
                        lb.removeAll();
                        break;

                    case 'load':
                        lb.removeAll();
                        if( !(a=StyleToGrep.loadQueries()) ) break;
                        for( i=-1 ; ++i < a.length ; lb.add('item',a[i]) );
                        break;
                    
                    case 'save':
                        a = lb.items;
                        for( t=[], i=-1 ; ++i < a.length ; t[i]=a[i].text );
                        StyleToGrep.saveQueries(t);
                        break;
                    
                    case 'restore':
                        lb.removeAll();
                        a = StyleToGrep.DEF_QUERIES;
                        for( i=-1 ; ++i < a.length ; lb.add('item',a[i]) );
                        break;

                    default:;
                }
            }
        }),
    });
    
    delete Object.prototype.setup; // cleanup
}

StyleToGrep();