Various updates

* Layersets now have bounds.
* TextItem is now writeable
* Added flush function to writing, for faster debugging.

ps.go

@@ -73,7 +73,7 @@ func SaveAs(path string) error {
 func DoJs(path string, args ...string) (out []byte, err error) {
 	// Temp file for js to output to.
 	outpath := filepath.Join(os.Getenv("TEMP"), "js_out.txt")
-	defer os.Remove(outpath)
+	// defer os.Remove(outpath)
 	if !strings.HasSuffix(path, ".jsx") {
 		path += ".jsx"
 	}
@@ -160,11 +160,15 @@ func ApplyDataset(name string) ([]byte, error) {
 // JSLayer "compiles" Javascript code to get an ArtLayer with the given path.
 // The output always ends with a semicolon, so if you want to access a specific
 // property of the layer, you'll have to trim the output before concatenating
-func JSLayer(path string) string {
+func JSLayer(path string, art ...bool) string {
 	path = strings.TrimLeft(path, "/")
 	pth := strings.Split(path, "/")
 	js := "app.activeDocument"
 	last := len(pth) - 1
+	if len(art) > 0 {
+		pth = pth[:len(pth)-1]
+		last--
+	}
 	if last > 0 {
 		for i := 0; i < last; i++ {
 			js += fmt.Sprintf(".layerSets.getByName('%s')", pth[i])

scripts/getLayerSet.jsx

@@ -1,8 +1,8 @@
 #include lib.js
-
 var stdout = newFile(arguments[0]);
 var set = eval(arguments[1]);
 stdout.writeln('{"Name": "'+set.name+'", "ArtLayers":[');
+stdout.flush();
 for (var i = 0; i < set.artLayers.length; i++) {
 	var lyr = set.artLayers[i];
 	stdout.write(('{"Name":"' + lyr.name + '", "Bounds": [[' + lyr.bounds[0] + ',' +
@@ -15,13 +15,25 @@ for (var i = 0; i < set.artLayers.length; i++) {
 	stdout.write("}")
 	if (i != set.artLayers.length - 1)
 		stdout.writeln(",");
+	stdout.flush();
 }
-stdout.write('], "LayerSets": [')
+stdout.writeln("]");
+stdout.write(', "LayerSets": [')
 for (var i = 0; i < set.layerSets.length; i++) {
 	var s = set.layerSets[i];
 	stdout.write('{"Name":"' + s.name + '", "Visible": ' + s.visible  + '}');
 	if (i < set.layerSets.length - 1)
 		stdout.writeln(",");
+	stdout.flush()
 }
-stdout.write("]}")
+stdout.writeln(']')
+// app.activeDocument.activeLayer=set;
+// set.merge();
+// set=eval(arguments[2]);
+stdout.write(', "Bounds": [[],[]]');
+// stdout.write((', "Bounds": [[' + set.bounds[0] + ',' +
+		// set.bounds[1] + '],[' + set.bounds[2] + ',' + 
+	    // set.bounds[3] + ']]').replace(/ px/g, ""));
+stdout.write("}");
+// Undo();
 stdout.close();

scripts/lib.js

@@ -1,13 +1,21 @@
 // Opens and returns a file, overwriting new data.
 function newFile(path) {
 	var f = File(path)
-	if(f.exists)
-	    f.remove()
 	f.encoding = "UTF8"
-	f.open("e", "TEXT", "????")
+	f.open("w")
 	return f
 }
 
+File.prototype.flush = function() {
+    this.close()
+    this.open("a")
+};
+function flush(file) {
+    file.close()
+    file.open("a")
+}
+
+
 // Prints an error message.
 function err(e) {
     return 'ERROR: ' + e.message + ' at ' + e.fileName + ':' + e.line;
@@ -19,6 +27,14 @@ function bounds(lyr) {
     lyr.bounds[3] + ']]').replace(/ px/g, "");
 }
 
+function Undo() {
+    var desc = new ActionDescriptor();
+    var ref = new ActionReference();
+    ref.putEnumerated( charIDToTypeID( "HstS" ), charIDToTypeID( "Ordn" ), charIDToTypeID( "Prvs" ));
+    desc.putReference(charIDToTypeID( "null" ), ref);
+    executeAction( charIDToTypeID( "slct" ), desc, DialogModes.NO );
+}
+
 /**
 * The setFormatting function sets the font, font style, point size, and RGB color of specified
 * characters in a Photoshop text layer.

scripts/moveLayer.jsx

@@ -2,5 +2,12 @@
 var stdout = newFile(arguments[0]);
 var lyr = eval(arguments[1]);
 lyr.translate((Number)(arguments[2]), (Number)(arguments[3]));
+if (lyr.typename == 'LayerSet') {
+	alert(lyr.name + "\n" + lyr.typename)
+	alert(lyr)
+	// lyr.merge()
+	// lyr=eval(arguments[4])
+	// Undo();
+}
 stdout.writeln('{' + bounds(lyr) + '}')
 stdout.close();

scripts/test.jsx

@@ -1,12 +1,11 @@
 #include lib.js
-var saveFile = File(arguments[0]);
-if(saveFile.exists)
-    saveFile.remove();
 
-saveFile.encoding = "UTF8";
-saveFile.open("e", "TEXT", "????");
-for (var i = 0; i < arguments.length; i++) {
-	saveFile.writeln(arguments[i])
-}
-setFormatting(0,6, "Arial", "Bold");
-saveFile.close();
+// var saveFile = File(arguments[0]);
+var arg = 'app.activeDocument.layerSets.getByName("Indicators").layerSets.getByName("Deck")';
+alert(arg.replace(/[^(?:layerSets)]*(layerSets)/, "artLayers"))
+// var doc=app.activeDocument
+// doc.layerSets.getByName("ResolveGem").merge();
+// alert(doc.artLayers.getByName("ResolveGem").bounds); 
+// doc.activeHistoryState=doc.historyStates[doc.historyStates.length-2]
+// setFormatting(0,6, "Arial", "Bold");
+// saveFile.close();

structs.go

@@ -168,6 +168,7 @@ func (d *Document) Dump() {
 }
 
 // ArtLayer reflects certain values from an Art Layer in a Photoshop document.
+// TODO: Make TextLayer a subclass of ArtLayer
 type ArtLayer struct {
 	name    string    // The layer's name.
 	Text    *string   // The contents of a text layer.
@@ -197,6 +198,16 @@ type ArtLayerJSON struct {
 	Text      *string
 }
 
+func (a *ArtLayer) SetText(txt string) {
+	lyr := strings.TrimRight(JSLayer(a.Path()), ";")
+	js := fmt.Sprintf("%s.textItem.contents='%s';", lyr, txt)
+	_, err := DoJs("compilejs.jsx", js)
+	if err != nil {
+		a.Text = &txt
+	}
+	a.Refresh()
+}
+
 // MarshalJSON fulfills the json.Marshaler interface, allowing the ArtLayer to be
 // saved to disk in JSON format.
 func (a *ArtLayer) MarshalJSON() ([]byte, error) {
@@ -444,6 +455,7 @@ func (a *ArtLayer) Refresh() error {
 
 type LayerSet struct {
 	name      string
+	bounds    [2][2]int
 	parent    Group
 	current   bool // Whether we've checked this layer since we loaded from disk.
 	visible   bool
@@ -453,6 +465,7 @@ type LayerSet struct {
 
 type LayerSetJSON struct {
 	Name      string
+	Bounds    [2][2]int
 	ArtLayers []*ArtLayer
 	LayerSets []*LayerSet
 }
@@ -460,6 +473,7 @@ type LayerSetJSON struct {
 func (l *LayerSet) MarshalJSON() ([]byte, error) {
 	return json.Marshal(&LayerSetJSON{
 		Name:      l.name,
+		Bounds:    l.bounds,
 		ArtLayers: l.artLayers,
 		LayerSets: l.layerSets,
 	})
@@ -471,6 +485,7 @@ func (l *LayerSet) UnmarshalJSON(b []byte) error {
 		return err
 	}
 	l.name = tmp.Name
+	l.bounds = tmp.Bounds
 	l.artLayers = tmp.ArtLayers
 	for _, lyr := range l.artLayers {
 		lyr.SetParent(l)
@@ -544,6 +559,11 @@ func (l *LayerSet) LayerSet(name string) *LayerSet {
 	return nil
 }
 
+// Bounds returns the furthest corners of the LayerSet.
+func (l *LayerSet) Bounds() [2][2]int {
+	return l.bounds
+}
+
 func (l *LayerSet) SetParent(c Group) {
 	l.parent = c
 }
@@ -562,9 +582,13 @@ func (l *LayerSet) Path() string {
 func NewLayerSet(path string, g Group) (*LayerSet, error) {
 	path = strings.Replace(path, "//", "/", -1)
 	byt, err := DoJs("getLayerSet.jsx", JSLayer(path))
+	if err != nil {
+		log.Panic(err)
+	}
 	var out *LayerSet
 	err = json.Unmarshal(byt, &out)
 	if err != nil {
+		log.Println(JSLayer(path))
 		log.Println(string(byt))
 		log.Panic(err)
 	}
@@ -597,12 +621,53 @@ func (l *LayerSet) SetVisible(b bool) {
 	DoJs("compilejs.jsx", js)
 }
 
+// SetPos snaps the given layerset boundry to the given point.
+// Valid options for bound are: "TL", "TR", "BL", "BR"
+//
+// TODO: Test TR and BR
+func (l *LayerSet) SetPos(x, y int, bound string) {
+	// if !l.visible || (x == 0 && y == 0) {
+	// return
+	// }
+	var lyrX, lyrY int
+	switch bound[:1] {
+	case "B":
+		lyrY = l.bounds[1][1]
+	case "T":
+		fallthrough
+	default:
+		lyrY = l.bounds[0][1]
+	}
+	switch bound[1:] {
+	case "R":
+		lyrX = l.bounds[1][0]
+	case "L":
+		fallthrough
+	default:
+		lyrX = l.bounds[0][0]
+	}
+	fmt.Println(JSLayer(l.Path()), fmt.Sprint(x-lyrX), fmt.Sprint(y-lyrY))
+	byt, err := DoJs("moveLayer.jsx", JSLayer(l.Path()), fmt.Sprint(x-lyrX),
+		fmt.Sprint(y-lyrY), JSLayer(l.Path(), true))
+	if err != nil {
+		fmt.Println("byte:", string(byt))
+		panic(err)
+	}
+	var lyr LayerSet
+	err = json.Unmarshal(byt, &lyr)
+	if err != nil {
+		fmt.Println("byte:", string(byt))
+		log.Panic(err)
+	}
+	l.bounds = lyr.bounds
+}
+
 func (l *LayerSet) Refresh() {
 	var tmp *LayerSet
-	byt, err := DoJs("getLayerSet.jsx", JSLayer(l.Path()))
+	byt, err := DoJs("getLayerSet.jsx", JSLayer(l.Path()), JSLayer(l.Path(), true))
 	err = json.Unmarshal(byt, &tmp)
 	if err != nil {
-		log.Println("Error in LayerSet.Refresh()", string(byt))
+		log.Println("Error in LayerSet.Refresh() \"", string(byt), "\"", "for", l.Path())
 		log.Panic(err)
 	}
 	tmp.SetParent(l.Parent())
@@ -617,6 +682,7 @@ func (l *LayerSet) Refresh() {
 		set.Refresh()
 	}
 	l.name = tmp.name
+	l.bounds = tmp.bounds
 	l.visible = tmp.visible
 	l.current = true
 }