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ScriptUI Panels/BaseScriptsUIPanel.jsx

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+/*
+    Base ScriptUI Panel v.0.1
+    
+    by Jorge Vásquez Pérez
+
+    Changes 0.2:
+        - None
+
+*/
+
+(function createNullsFromPaths (thisObj) {
+    /* Build UI */
+    function buildUI(thisObj) {
+
+        var windowTitle = "windowTitle";
+        var firstButton = "firstButton";
+        var secondButton = "secondButton";
+        var thirdButton = "thirdButton";
+        var win = (thisObj instanceof Panel)? thisObj : new Window('palette', windowTitle);
+            win.spacing = 0;
+            win.margins = 4;
+            var myButtonGroup = win.add ("group");
+                myButtonGroup.spacing = 4;
+                myButtonGroup.margins = 0;
+                myButtonGroup.orientation = "row";
+                win.button1 = myButtonGroup.add ("button", undefined, firstButton);
+                win.button2 = myButtonGroup.add ("button", undefined, secondButton);
+                win.button3 = myButtonGroup.add ("button", undefined, thirdButton);
+                myButtonGroup.alignment = "center";
+                myButtonGroup.alignChildren = "center";
+
+            win.button1.onClick = function(){
+                button1Click();
+            }
+            win.button2.onClick = function(){
+                button2Click();
+            }
+            win.button3.onClick = function(){
+                button3Click();
+            }
+
+        win.layout.layout(true);
+
+        return win
+    }
+
+
+    // Show the Panel
+    var w = buildUI(thisObj);
+    if (w.toString() == "[object Panel]") {
+        w;
+    } else {
+        w.show();
+    }
+
+
+    /* General functions */
+
+    /* Project Specific functions */
+    function button1Click(){
+        alert("Button 1 was clicked");
+    }
+    function button2Click(){
+        alert("Button 2 was clicked");
+    }
+    function button3Click(){
+        alert("Button 3 was clicked");
+    }
+
+
+})(this);

main.jsx

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+#include "y.jsx";
+my_comps = getSelectedProjectItems();
+var my_comp = getSelectedProjectItems()[0];
+
+// new_size = [ 240,320 ];
+//new_size = [ 4096, 2048 ];
+
+
+
+//setFPS( my_comp, 24 );
+
+for ( var i = 0 ; i < my_comps.length ; i++ ){
+    var my_comp = my_comps[i];
+    setFPS( my_comp, 24 );
+}
+
+//selectLayersByParented( false );
+
+//resizeCompCanvasCentered( my_comp, new_size, true )
+//alert(system.callSystem("whoami"))

y.jsx

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+
+function getSelectedProjectItems(){
+    var items = [];
+    var p = app.project;
+    for ( var i = 1 ; i <= p.numItems ; i ++ ){
+        var item = p.item(i);
+        if ( item.selected ){
+            items.push(item);
+        }
+    }
+    return items;
+}
+function selectLayersByParented( isParented ){
+    layersToSelect = getLayersByParented( isParented );
+    for ( var i = 0; i < layersToSelect.length; i ++ ){
+        layerToSelect = layersToSelect[i];
+        layerToSelect.selected = true;
+    }
+}
+function getLayersByParented( isParented ){
+    var active_comp = app.project.activeItem;
+    var filtered_layers = [];
+
+    for ( var i = 1; i <= active_comp.layers.length ; i ++ )
+    {
+        var my_layer = active_comp.layers[i];
+
+        if ( (my_layer.parent == null) != isParented )
+        {
+            filtered_layers.push( my_layer );
+        };
+    }
+    
+    return filtered_layers 
+}
+function centerLayer( my_layer , size ){
+    my_layer.position[0] = size[0]/2;
+    my_layer.position[1] = size[1]/2;
+    alert(my_layer.position);
+}
+function resizeCompCanvas( comp, new_size ){
+    comp.width = new_size[0];
+    comp.height = new_size[1];
+};
+function setFPS( comp, newFPS ){
+    comp.frameDuration = 1/newFPS;
+};
+function setDuration( myComp, newSecondsDuration ){
+    
+};
+function setDurationInFrames( myComp, newFrameDuration ){
+    //myComp.
+};
+function resizeCompCanvasCentered( my_comp, new_size, keep_scaler ){
+    app.beginUndoGroup("Resize Comp Canvas Centered")
+    var n  = my_comp.layers.addNull();
+    
+    //center null on actual comp size
+    n.position.setValue([my_comp.width/2,my_comp.height/2]);
+    resizeCompCanvas( my_comp , new_size );
+    
+    //parent unparented layers to MAIN_SCALER
+    var unparenterLayers = getLayersByParented( false );
+    for ( var i = 0; i < unparenterLayers.length ; i ++ ){
+        var current_layer = unparenterLayers[i];
+        
+        if ( (current_layer != n) && ( true )) {
+            current_layer.parent = n;
+        }
+    }
+    
+    // center null to new comp size
+    n.position.setValue(new_size/2);
+   
+   //get rid of scaling null or not.
+    if (keep_scaler)
+    {
+        n.name = 'MAIN_SCALER';
+    }else{
+        n.remove()
+    }
+    app.endUndoGroup();
+}