Accessing Smart Objects in Photoshop

accessSmartObject.jsx

#target photoshop

if (app.documents.length > 0) {

	var existingColor = prompt("Colour to change: color(r,g,b - e.g. 255,255,255 or Hex - e.g. FFFFFF)", "255,255,255");
	var newColor = prompt("New colour: color(r,g,b - e.g. 255,255,255 or Hex - e.g. FFFFFF)", "255,255,255");

	var newRed = 0, newGreen = 0, newBlue = 0;
	if (newColor.indexOf(",") > 0) {
		var list = newColor.split(",");
		newRed = parseFloat(list[0]);
		newGreen = parseFloat(list[1]);
		newBlue = parseFloat(list[2]);
	} else {
		newRed = parseInt(newColor.substr(0, 2), 16);
		newGreen = parseInt(newColor.substr(2, 2), 16);
		newBlue = parseInt(newColor.substr(4, 2), 16);
	}

	var existingRed = 0, existingGreen = 0, existingBlue = 0;
	if (existingColor.indexOf(",") > 0) {
		var list = existingColor.split(",");
		existingRed = parseFloat(list[0]);
		existingGreen = parseFloat(list[1]);
		existingBlue = parseFloat(list[2]);
	} else {
		existingRed = parseInt(existingColor.substr(0, 2), 16);
		existingGreen = parseInt(existingColor.substr(2, 2), 16);
		existingBlue = parseInt(existingColor.substr(4, 2), 16);
	}

	var myDocument = app.activeDocument;

    selectAllLayers();
	
	var theLayers = getSelectedSoidColorLayersIdentifier( existingRed, existingGreen, existingBlue );

	for (var m = 0; m < theLayers.length; m++) {
    
    if ( activeLayer.kind != LayerKind.SMARTOBJECT ){
      
      var smartObjectDoc = Stdlib.editSmartObject(doc, activeLayer);
      
    }else{
      
      changeSolidColor( theLayers[m], newRed, newGreen, newBlue );
      
    }
   
	}
	
	deselectLayers();

};

//////////////////////////////////////////

function deselectLayers() {
	var desc1 = new ActionDescriptor();
	var ref1 = new ActionReference();
	ref1.putEnumerated(charIDToTypeID('Lyr '), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));
	desc1.putReference(charIDToTypeID('null'), ref1);
	executeAction(stringIDToTypeID('selectNoLayers'), desc1, DialogModes.NO);
}

function selectAllLayers() {
	var desc1 = new ActionDescriptor();
	var ref1 = new ActionReference();
	ref1.putEnumerated(charIDToTypeID('Lyr '), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));
	desc1.putReference(charIDToTypeID('null'), ref1);
	executeAction(stringIDToTypeID('selectAllLayers'), desc1, DialogModes.NO);
}

function dump(v, howDisplay, recursionLevel) {
    howDisplay = (typeof howDisplay === 'undefined') ? "alert" : howDisplay;
    recursionLevel = (typeof recursionLevel !== 'number') ? 0 : recursionLevel;

    var vType = typeof v;
    var out = vType;

    switch (vType) {
        case "number":
            /* there is absolutely no way in JS to distinguish 2 from 2.0
            so 'number' is the best that you can do. The following doesn't work:
            var er = /^[0-9]+$/;
            if (!isNaN(v) && v % 1 === 0 && er.test(3.0))
                out = 'int';*/
        case "boolean":
            out += ": " + v;
            break;
        case "string":
            out += "(" + v.length + '): "' + v + '"';
            break;
        case "object":
            //check if null
            if (v === null) {
                out = "null";

            }
            //If using jQuery: if ($.isArray(v))
            //If using IE: if (isArray(v))
            //this should work for all browsers according to the ECMAScript standard:
            else if (Object.prototype.toString.call(v) === '[object Array]') {  
                out = 'array(' + v.length + '): {\n';
                for (var i = 0; i < v.length; i++) {
                    out += repeatString('   ', recursionLevel) + "   [" + i + "]:  " + 
                        dump(v[i], "none", recursionLevel + 1) + "\n";
                }
                out += repeatString('   ', recursionLevel) + "}";
            }
            else { //if object    
                sContents = "{\n";
                cnt = 0;
                for (var member in v) {
                    //No way to know the original data type of member, since JS
                    //always converts it to a string and no other way to parse objects.
                    sContents += repeatString('   ', recursionLevel) + "   " + member +
                        ":  " + dump(v[member], "none", recursionLevel + 1) + "\n";
                    cnt++;
                }
                sContents += repeatString('   ', recursionLevel) + "}";
                out += "(" + cnt + "): " + sContents;
            }
            break;
    }

    if (howDisplay == 'body') {
        var pre = document.createElement('pre');
        pre.innerHTML = out;
        document.body.appendChild(pre)
    }
    else if (howDisplay == 'alert') {
        alert(out);
    }

    return out;
}

function repeatString(str, num) {
    out = '';
    for (var i = 0; i < num; i++) {
        out += str; 
    }
    return out;
}

////// based on code by paul mr //////

function getSelectedSoidColorLayersIdentifier( existingRed, existingGreen, existingBlue ){

	var selectedLayers = new Array();

	var ref = new ActionReference();

	ref.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );

	var desc = executeActionGet(ref);

	if( desc.hasKey( stringIDToTypeID( 'targetLayers' ) ) ){

		desc = desc.getList( stringIDToTypeID( 'targetLayers' ));

		var c = desc.count;

		// run through selected layers;

		for(var i=0;i<c;i++){

			try{activeDocument.backgroundLayer;

			var theIndex = desc.getReference( i ).getIndex();

			}catch(e){var theIndex = desc.getReference( i ).getIndex()+1 };

			// get id for solid color layers;

			try {

				var ref = new ActionReference();

				ref.putIndex( charIDToTypeID("Lyr "), theIndex );

				var layerDesc = executeActionGet(ref);

				var theIdentifier = layerDesc.getInteger(stringIDToTypeID("layerID"));

				var adjList = layerDesc.getList(stringIDToTypeID('adjustment'));

				var theColors = adjList.getObjectValue(0).getObjectValue(stringIDToTypeID('color'));
				//var theColors = adjList.getObjectValue(0).getObjectValue(charIDToTypeID('Clr '));
				
				var textColor = new SolidColor;  
				textColor.rgb.red = theColors.getInteger(charIDToTypeID('Rd  '));  
				textColor.rgb.green = theColors.getInteger(charIDToTypeID('Grn '));  
				textColor.rgb.blue = theColors.getInteger(charIDToTypeID('Bl  '));  
		  
				if( textColor.rgb.red == existingRed && textColor.rgb.green == existingGreen && textColor.rgb.blue == existingBlue ) {
					selectedLayers.push( theIdentifier );
				}

			} catch (e) {
				//alert(e.message)
			};

		};

	// if only one:

	}else{

		var ref = new ActionReference();

		ref.putEnumerated( charIDToTypeID("Lyr "), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );

		var layerDesc = executeActionGet(ref);

		try {

			var theIdentifier = layerDesc.getInteger(stringIDToTypeID ("layerID"));

			var adjList = layerDesc.getList(stringIDToTypeID('adjustment'));

			var theColors = adjList.getObjectValue(0).getObjectValue(stringIDToTypeID('color'));

			selectedLayers = [theIdentifier]

		} catch (e) {};

	};

	return selectedLayers;

};

////// change color of solid color layer //////

function changeSolidColor( theIdentifier, theR, theG, theB, existingRed, existingGreen, existingBlue ) {

// =======================================================

var idsetd = charIDToTypeID( "setd" );

    var desc4 = new ActionDescriptor();

    var idnull = charIDToTypeID( "null" );

	var ref1 = new ActionReference();

	ref1.putIdentifier ( stringIDToTypeID( "contentLayer" ), theIdentifier );

	desc4.putReference( idnull, ref1 );

	var idT = charIDToTypeID( "T   " );

	var desc5 = new ActionDescriptor();

	var idClr = charIDToTypeID( "Clr " );

	var desc6 = new ActionDescriptor();

	var idRd = charIDToTypeID( "Rd  " );

	desc6.putDouble( idRd, theR );

	var idGrn = charIDToTypeID( "Grn " );

	desc6.putDouble( idGrn, theG );

	var idBl = charIDToTypeID( "Bl  " );

	desc6.putDouble( idBl, theB );

	var idRGBC = charIDToTypeID( "RGBC" );

	desc5.putObject( idClr, idRGBC, desc6 );

    var idsolidColorLayer = stringIDToTypeID( "solidColorLayer" );

    desc4.putObject( idT, idsolidColorLayer, desc5 );

  executeAction( idsetd, desc4, DialogModes.NO );

};