Re: Collections vs. Arrays

DBarranca · ‎Oct 13, 2016

Actually I should have written app.activeDocument.layers (the Layers collection makes sense in the context of a Document, not the app tout-court). The Layer collection behaves like an array (in fact you can get layers by index), but is an instanceof Object. So it's a peculiar kind of thing – apparently in InDesign the distinction is even more evident than in Photoshop... Davide

DBarranca · ‎Oct 11, 2016

Hi, I'm on a Mac and ESTK lists all the versions I have with the "common name" (Photoshop CC 2015.5) and the internal version, like 100.032. What does .032 exactly refers to? 32 bits? Shouldn't all Mac's PS be 64bits? By the way, is there a way to query PS for its internal version string? Thank you! Davide

DBarranca · ‎Sep 30, 2016

Photoshop Scripting exposes Collections, e.g. app.documents; app.layers; In InDesign Scripting, these Collections behave differently from Arrays: for instance you can access items by index with negative values (e.g. pages[-1] means the last but one), etc. Moreover, looping through collections is reported to be slower, so they build Arrays out of collections and then iterate on them. I'm trying to find out whether the same could hold true for Photoshop as well, but so far... no proofs. I'm also trying to use the Reflection interface on collections, but it doesn't seem possible (document.layers, as opposed to document.layers[0]). Does anybody know more about the topic? Thank you Davide Barranca

DBarranca · ‎Sep 29, 2016

The only folder token that might be used is "Folder.appPackage", but it's Mac only. See more tokens on the JavaScript Tools Guide, page 56. Davide

DBarranca · ‎Sep 26, 2016

I have the feeling that (a) duplicating all the layers is in fact a bug and (b) it might be related to the layers[0] weirdness I've experienced here: Targeting a layer when none is selected. Davide

DBarranca · ‎Sep 23, 2016

Interesting information: the issue happens only when trying to make active the layer[0], and not layer[1] – thanks to Kukurykus for finding this out – thanks to JJMack for the AM code. I've submitted this as a bug, because this is what it looks like. Davide

DBarranca · ‎Sep 23, 2016

Let's step back and forget for a moment about the delete layer, which doesn't work if a layer (any) isn't selected. I rephrase the issue: if no layer is selected, how do you select / make active a layer (possibly w/o ActionManager)? Thank you, Davide

DBarranca · ‎Sep 23, 2016

Hi JJMack, the script is for demo purposes only. The question remains – how to you select / make active *any* layer if even: app.activeDocument.activeLayer = app.activeDocument.artLayers[0]; fails? I'd like to avoid actionmanager in this case. Thank you! Davide

DBarranca · ‎Sep 23, 2016

Hi, try GitHub - ExtendScript/extendscriptr: An NPM command line tool to compile modern javascript (es5 & es6) into executable e… and let us know how it goes! Davide Barranca

DBarranca · ‎Sep 23, 2016

Hi, this is probably so easy that I can't see it. Simple document: Simple script that loops through layers and deletes the one that's hidden: var doc = app.activeDocument; for (var i = 0; i < doc.artLayers.length; i++) { if (!doc.artLayers.visible) { doc.artLayers.remove(); } } There are better ways I know, but it works. Now try this as a starting point (no layers actually selected): The above script fails with error "The Command Delete is not currently available". I've added an extra line to make it active, but it doesn't (at least Photoshop CC2015.5, OSX) var doc = app.activeDocument; for (var i = 0; i < doc.artLayers.length; i++) { if (!doc.artLayers.visible) { app.activeDocument.activeLayer = doc.artLayers; doc.artLayers.remove(); } } Am I missing something here? Thank you! Davide

DBarranca · ‎Sep 20, 2016

Isn't the background image url a string itself? Try adding extra quotes in there: var html = "<span class='lol2' style='background-image: url(\"" + myList.icon + "\")'></span>"; Had to escape them otherwise is a mess. Hope this helps, Davide Barranca

DBarranca · ‎Sep 19, 2016

You definitely can, provided that you build an HTML Panel that hosts your website, and the clicks are made within it. Davide Barranca

DBarranca · ‎Sep 19, 2016

It might depend on the way you write your functions in the secondary jsx. var secondaryFun = function(param) { ... } // fails function secondaryFun(param) { ... } // fails secondaryFun = function(param) { ... } // works Additionally, using the #include in the main .jsx of a panel causes a script error every time, but ou can have the #include in a secondary .jsx file called from the main via evalFile() and it will work. More jsx inclusion madness here. Davide Barranca

DBarranca · ‎Sep 19, 2016

I understand that you're referring to an HTML Panel context, am I correct? If this is the case, yes, include will not work. You have to send the extension's path down to the JSX from the JS, then evaluate json2.js with $.evalFile(). From that point onwards, the JSON object should be available to your extendscript context. Davide Barranca

DBarranca · ‎Sep 17, 2016

Problem solved. Recap: I'm using Windows 10 virtualized with Parallels Desktop on my Mac, and Windows has "stolen" some Photoshop versions (the one I've installed also on the PC side) from OSX – that's the reason why AppleScript fails: it can't find Photoshop. Solution: I had to disable application sharing: Probably I could leave "Share Mac applications with Windows" on, but I don't need it anyway. I hope this is going to save some hours-thrown-down-the-toilet to somebody else in the future. Davide

DBarranca · ‎Sep 16, 2016

I've been able to track the root cause of the issue – not been able to solve it, though. I can't run AppleScript invoking Photoshop versions that I also happen to have in my Parallels virtualized Windows 10. So to speak, Parallels "steals" them from OSX. In fact, if I: set doesExist to false try do shell script "osascript -e 'exists application \"Adobe Photoshop CC\"'" set doesExist to true end try return doesExist It returns TRUE; while if: set doesExist to false try do shell script "osascript -e 'exists application \"Adobe Photoshop CC 2015\"'" set doesExist to true end try return doesExist It returns FALSE. Countercheck: set appID to id of application "Adobe Photoshop CC" is "com.adobe.photoshop", while: set appID to id of application "Adobe Photoshop CC 2015" is "com.parallels.winapp.ba6ce4f563fc495390502afab876d865.e76675ef6e5847ae8f396c55f9ff2f09" So I'm currently unable to use CC 2015 and CC 2015.5 via AppleScript because they're sort of missing, because "stolen" by Parallels. I've contacted their tech support – I hope they'll be able to tell me how to set things back to normality – has anyone of you ever had to do such a thing? Thank you in advance, Davide

DBarranca · ‎Sep 16, 2016

Thanks for your replies, my comments below: pixxxel schubser: the AppleScript way is exactly 'tell application "AppName"'. In fact for "Adobe Photoshop CC" the little script works flawlessly. maxwyss: I've tried adding POSIX, but no luck. By the way, using "Adobe Photoshop CC" without POSIX works fine anyway, so it should "Adobe Photoshop CC 2015.5" Let's reformulate with a simpler code: # Working tell application "Adobe Photoshop CC" do javascript "alert('boo')" end tell and: # Broken tell application "Adobe Photoshop CC 2015.5" do javascript "alert('boo')" end tell What the heck is going on there?! Thanks, Davide

DBarranca · ‎Sep 16, 2016

I'm doing a bit of AppleScript automation and I'm completely stuck at square one. This works flawlessly: tell application "Adobe Photoshop CC" do javascript file ("/Users/davidebarranca/Desktop/pippo.jsx") end tell (if you wonder, pippo.jsx just alerts "PIPPO") This breaks miserably (merely added 2015.5): tell application "Adobe Photoshop CC 2015.5" do javascript file ("/Users/davidebarranca/Desktop/pippo.jsx") end tell With the following error: Syntax Error – Expected end of line but found identifier. And it selects the "javascript" word. I've been banging against this wall for one hour – what the heck is happening?! I've tried to run this script in the Terminal: sleep 5; osascript -e 'tell application "System Events"' -e 'set frontApp to name of first application process whose frontmost is true' -e 'end tell' You run it, then you have 5 seconds to switch to Photoshop, and then Terminal will log the Application name, which is – guess what – "Adobe Photoshop CC 2015.5". So why on earth those 3 lines of applescript are wrong?! They're driving me nuts 🙂 Thank you, Davide Barranca

DBarranca · ‎Sep 11, 2016

Thanks so much Michel! Do you think this same bug feature may be the key to open this door too? Brush Panel Transfer Mode Toggle All the best! Davide

DBarranca · ‎Sep 10, 2016

To the best of my knowledge, Transfer is not scriptable, so what it has been asked is not possible. I've dug ActionDescriptors for about two hours, and I've concluded that the "currentToolOptions" descriptor cannot be set (the boolean of interest it the 'usePaintDynamics' stringID). You can get it, but not set. Strangely enough, it's children "brush" can! So you're able to set via ActionManager code properties such as hardness, interpolation, etc. My efforts went to this point then I've capitulated: function toggleTransfer(val) { var s = function(s) {return stringIDToTypeID(s)} var ref = new ActionReference (); ref.putEnumerated (s('application'), s('ordinal'), s('targetEnum')); var brush = executeActionGet(ref).getObjectValue(s('currentToolOptions')); brush.putBoolean(s('usePaintDynamics'), val); var brushRef = new ActionReference(); brushRef.putEnumerated( s('currentToolOptions'), s('ordinal'), s('targetEnum')); brushDesc = new ActionDescriptor(); brushDesc.putReference(s('target'), brushRef); brushDesc.putObject(s('to'), s('currentToolOptions'), brush); executeAction(s('set'), brushDesc, DialogModes.ALL); } toggleTransfer(true); // fails: The command “Set” is not currently available. Too bad, I was almost there! Davide

DBarranca · ‎Sep 10, 2016

When retrieving an ActionDescriptor, like the application's, we've been instructed to prepend the property we're interested into, so that we're not getting the entire app descriptor, but only the bit we really need: // DON'T var ref = new ActionReference(); ref.putEnumerated( charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") ); var applicationDesc = executeActionGet(ref); var theInterpolationMethod = typeIDToStringID(applicationDesc.getEnumerationValue(stringIDToTypeID('interpolationMethod'))); alert (theInterpolationMethod); // DO var ref = new ActionReference (); ref.putProperty (stringIDToTypeID ("property"), stringIDToTypeID ("interpolationMethod")); /* <-- ADD THIS */ ref.putEnumerated (stringIDToTypeID ("application"), stringIDToTypeID ("ordinal"), stringIDToTypeID ("targetEnum")); var interpolationDesc = executeActionGet (ref); var theInterpolationMethod = typeIDToStringID (interpolationDesc.getEnumerationValue (stringIDToTypeID ("interpolationMethod"))); alert (theInterpolationMethod); So far so good. Problem is that this putProperty works only when you're looking for a value such as Enumeration, Integer, String, Boolean. If you need to get a nested descriptor like "currentToolOptions", it doesn't work: // FAILS var ref = new ActionReference (); ref.putProperty (stringIDToTypeID ("property"), stringIDToTypeID ("currentToolOptions")); ref.putEnumerated (stringIDToTypeID ("application"), stringIDToTypeID ("ordinal"), stringIDToTypeID ("targetEnum")); var desc = executeActionGet (ref).getObjectValue (stringIDToTypeID ("currentToolOptions")); // FAILS here desc; // WORKS var ref = new ActionReference (); // ref.putProperty (stringIDToTypeID ("property"), stringIDToTypeID ("currentToolOptions")); // Removed the prepended property ref.putEnumerated (stringIDToTypeID ("application"), stringIDToTypeID ("ordinal"), stringIDToTypeID ("targetEnum")); var desc = executeActionGet (ref).getObjectValue (stringIDToTypeID ("currentToolOptions")); desc; ... and you have to get the entire app's descriptor (bad for performance) and then extract the bit you want. Has anyone an idea why is it so, or in case how to correctly prepend the property for DescValueType.OBJECTTYPE? Thank you! Davide

DBarranca · ‎Sep 08, 2016

Hi Pedro, that's very close, thanks! At least on CC2015.5 there is a drawback, see this one: That is, the Listener doesn't seem to be attached to, or affect the, whole Window, but the Button only – i.e. if ALT is pressed when the mouse pointer is not on the Button, nothing happens (while it should) Moreover, if you ALT then mouseOver (Cancel -> Reset), then while ALT is pressed you mouseOut, then release ALT, the text remains Reset (should become Cancel). We all love ScriptUI 😉 The code I've used: var res = """dialog { orientation: 'column', okButton: Button { text: 'OK' }, cancelButton: Button { text: 'Cancel' }, }"""; var win = new Window(res); var mouseEventHandler = function(ev) { if (ScriptUI.environment.keyboardState.altKey) { win.cancelButton.text = 'Reset'; // you can see the event type changing on the reset button text } else { win.cancelButton.text = 'Cancel' } }; // Register the mouse event handler win.addEventListener('mouseover', mouseEventHandler); win.addEventListener('mouseout', mouseEventHandler); win.addEventListener('mousemove', mouseEventHandler); // these 2 are not so important: it only works 1 time and then always be mousemove when scrooling: win.addEventListener('mousedown', mouseEventHandler); win.addEventListener('mouseup', mouseEventHandler); // there is no other option when loosing the Window focus win.show() Thanks again,

DBarranca · ‎Sep 08, 2016

Hi, I've a half baked demo dialog: var res = """dialog { orientation: 'column', okButton: Button { text: 'OK' }, cancelButton: Button { text: 'Cancel' }, resetButton: Button { text: 'Reset the Cancel button'} }"""; var win = new Window(res); win.resetButton.addEventListener('click', function(evt){ win.cancelButton.text = 'Cancel'; }) win.addEventListener('keydown', function(evt) { if(true /* SUBSTITUTE HERE WORKING CONDITIONAL */) { win.cancelButton.text = "Reset"; } }); win.show() Which looks like that: I'd like to listen, in the main Window, to the ALT keydown, so that the Cancel button text turns into "Reset", as it is with Adobe's dialogs. Problems: the keypress is forbidden in PS (beeps – while it is actually listened in ESTK) I can't find the right conditional to stick in the if) Apparently ALT, as well as other modifier keys, works (at least in ESTK) only in conjunction with other keys, e.g. I can detect ALT+something (say ALT+A), but not ALT alone. So, are these two problems unavoidable? Is it possible to listen to keydown in Dialog Windows in Photoshop? Can I listen to a modifier key only? I can probably listen for the modifier key in the button's click handler, but I'd like to have a visual feedback as well. Thank you in advance! Davide

DBarranca · ‎Sep 07, 2016

Matias, I'm not sure it could work, since $.sleep is blocking, and there's no way to cancel it – while setTimeout leaves the rest running. Apparently a proper setTimeout implementation has been added in After Effects 2015, so I've requested that feature for Photoshop myself. Davide

DBarranca · ‎Sep 07, 2016

I assume that you are referring to (HTML) Panels – am I right? If this is the case, yes, Local Storage is the same that's featured in browser. It's there (I mean, the stuff you save there) until you yourself delete it – otherwise it's permanent. If you rely on scripted dialogs instead (ScriptUI and not HTML Panels) customOptions are a similar feature that you can use. Davide

DBarranca · ‎Sep 07, 2016

Hi, I'm looking for a way to implement a Debounce function (see here), like this one: // Returns a function, that, as long as it continues to be invoked, will not // be triggered. The function will be called after it stops being called for // N milliseconds. If `immediate` is passed, trigger the function on the // leading edge, instead of the trailing. function debounce(func, wait, immediate) { var timeout; return function() { var context = this, args = arguments; var later = function() { timeout = null; if (!immediate) func.apply(context, args); }; var callNow = immediate && !timeout; clearTimeout(timeout); timeout = setTimeout(later, wait); if (callNow) func.apply(context, args); }; }; To be used in ScriptUI. Problem is that we don't have setTimeout in ExtendScript land, and $.sleep is blocking / not cancelable. There is a working implementation for InDesign, using app.idleTasks, which, again, we don't have in Photoshop so back to square one. Suggestions? Thank you! Davide Barranca

DBarranca · ‎Sep 07, 2016

Thanks for sharing! Always interesting to look at your code. Davide

DBarranca · ‎Sep 06, 2016

This small script should help – provided you have a reference to the LayerSet, you can move a Layer into it: var doc = app.documents.add() // create a Doc var lay = doc.activeLayer.duplicate() // duplicate the background layer var set = doc.layerSets.add(); // add a LayerSet lay.move(set, ElementPlacement.INSIDE) // move the duplicate layer inside the LayerSet Davide

DBarranca · ‎Sep 06, 2016

You can set Persistence on (so that when the user re-opens the panel **in the same PS session** it will keep the same status), or alternatively use LocalStorage, for sessions independent persistence. Davide Barranca http://htmlpanelsbook.com

DBarranca · ‎Sep 01, 2016

Couple of problems here. 1. you should differentiate onChange and onChanging in the sliders callbacks: slider.onChange = function() { blur(slider.value); app.refresh(); } slider.onChanging = function() { value.text = slider.value; } When dragging the slider, only the text value needs to be updated, while on slider release (i.e. onChange) the blur is eventually applied. 2. You're stacking blur rounds – i.e. if you drag to 50 then drag back to 20, you're applying a 50px blur, then a 20px blur on top of it! You need to save the history state and get back to it before applying any subsequent blur. Hope this helps, Davide Barranca --- htrmlpanelsbook.com

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