change fonts script

Author: thealexus

changeAllFonts.jsx

@@ -0,0 +1,91 @@
+var changeAllFontsScript={
+	fontName:"Kankin"
+};
+changeAllFontsScript.go = function(){
+
+FolderItem.prototype.getSelected = function(allItems)//all Items is a boolean. if true, will take all contained folders and items. else take only selected items
+{
+	var arr=[];
+	if (this.selected)//if folder is selected, we will take all contained items
+		allItems=true;
+	for (var i=1;i<=this.numItems;i++)
+		{
+			var curItem=this.item(i);
+			if (curItem instanceof FolderItem)
+				{
+					var inner=curItem.getSelected(allItems);
+					arr=arr.concat(inner);
+				}
+			if ((allItems === true || curItem.selected) && curItem instanceof CompItem)
+	            {
+					arr.push(curItem);
+				}
+		}
+	return arr;
+}
+
+Project.prototype.getSelectedItems = function()
+{
+	//there is no method to take all selected items in project window. i wrote my own
+	return this.rootFolder.getSelected(false);//get all selected items in project
+}
+
+TextLayer.prototype.changeFont=function(fontName)
+{
+	var prop=this.property("Source Text");
+	if (prop.numKeys>0)//if textLayer has animation
+		for (var i=1;i<=prop.numKeys;i++)
+		{
+			var curTime=prop.keyTime(i);//get time if key i
+			var textDocument=prop.valueAtTime(curTime,false);//get value in key i
+			textDocument.font=fontName;//change font
+			prop.setValueAtTime(curTime,textDocument)//set value with new font to key i
+		}
+	else//if no animation or expression only
+	{
+		var textDocument=prop.value;//get value
+		textDocument.font=fontName;//change font
+		prop.setValue(textDocument);//set new font
+	}
+}
+
+CompItem.prototype.changeFonts=function()
+{
+	for (var i=1;i<=this.numLayers;i++)	
+		{
+			var curLayer=this.layer(i);
+			if (curLayer instanceof TextLayer)
+				try
+					{
+						//alert("trying to change font of layer: "+curLayer.name);
+						curLayer.changeFont(changeAllFontsScript.fontName);
+					}
+					catch(e)
+					{
+						return null;
+					}
+		}
+	return 0;
+}
+
+	app.beginUndoGroup("Change All Fonts");
+
+	var selItems=app.project.getSelectedItems();
+	//alert("number of selected comps:"+selItems.length);
+
+	for (var i=0;i<selItems.length;i++)
+		{
+			var func=selItems[i].changeFonts();//function returns null if caugth exeption
+			if (func === null)
+				{
+					alert("Unknown font name");
+					return 0;//end script
+				}
+		}
+	
+	alert("Done!");
+	app.endUndoGroup();
+
+}
+
+changeAllFontsScript.go();