1nVitr0/RandomLetters.jsx

## RandomLetters.jsx
/**
* Created by Aram Becker - 09/25/2019
* You are free to use and modify this by any means, but it would be great
* if you would credit me.
*
* http://arambecker.de
**/

function coupleSlider(slider, box, round) {
	round = typeof round == "number" ? Math.pow(10, round) : 100;
	regex = round == 1 ? /\d+/ : /\d+\.?\d*/;
	box.onChange = function() {
		if (!regex.test(box.text)) box.text = Math.round(slider.value * round) / round;
		slider.value = parseFloat(box.text);
	};
	slider.onChange = function() { box.text = Math.round(slider.value * round) / round; };
}

function coupleEnable(radioButton, target) {
	if (!(target instanceof Array)) target = [target];
	function update() { for (var i = 0; i < target.length; i++) target[i].enabled = radioButton.value; }
	radioButton.onClick = update;
	for (var i = 0; i < radioButton.parent.children.length; i++)
		radioButton.parent.children[i].onClick = update;
}

// DIALOG
// ======
var dialog = new Window("dialog");
    dialog.text = "Generate Random Letters";
    dialog.orientation = "column";
    dialog.alignChildren = ["center","top"];
    dialog.spacing = 10;
    dialog.margins = 16;

// LETTER_SETTINGS
// ===============
var letter_settings = dialog.add("panel", undefined, undefined, {name: "letter_settings"});
    letter_settings.text = "Letter Settings";
    letter_settings.preferredSize.width = 512;
    letter_settings.orientation = "column";
    letter_settings.alignChildren = ["left","top"];
    letter_settings.spacing = 10;
    letter_settings.margins = 10;

// GROUP0
// ======
var group0 = letter_settings.add("group", undefined, {name: "group0"});
    group0.orientation = "row";
    group0.alignChildren = ["left","center"];
    group0.spacing = 10;
    group0.margins = 0;

var statictext0 = group0.add("statictext", undefined, undefined, {name: "statictext0"});
    statictext0.text = "Font:";
    statictext0.preferredSize.width = 64;

var font_array = [];
for (var i = 0; i < app.fonts.length; i++) font_array.push(app.fonts[i].name);
font_array.sort();
var font = group0.add("dropdownlist", undefined, undefined, {name: "font", items: font_array});
    font.preferredSize.width = 212;
    font.selection = 0;

var font_bold = group0.add("checkbox", undefined, undefined, {name: "font_bold"});
    font_bold.text = "Bold";

var font_italic = group0.add("checkbox", undefined, undefined, {name: "font_italic"});
    font_italic.text = "Italic";

var preview = group0.add("statictext", undefined, undefined, {name: "preview"});
    preview.text = "ABCD abcd 1234 #?!.";
    preview.preferredSize.width = 196;
	preview.graphics.font = font_array[0];

font.onChange = font_bold.onClick = font_italic.onClick = function() {
	preview.graphics.font =  ScriptUI.newFont(font_array[parseInt(font.selection)], font_bold.value ? (font_italic.value ? 3 : 1) : (font_italic.value ? 2 : 0), 12);
}

var select

// GROUP1
// ======
var group1 = letter_settings.add("group", undefined, {name: "group1"});
    group1.orientation = "row";
    group1.alignChildren = ["left","center"];
    group1.spacing = 10;
    group1.margins = 0;

var statictext1 = group1.add("statictext", undefined, undefined, {name: "statictext1"});
    statictext1.text = "Number:";
    statictext1.preferredSize.width = 64;

var letter_count_slider = group1.add("slider", undefined, undefined, undefined, undefined, {name: "letter_count_slider"});
    letter_count_slider.minvalue = 0;
    letter_count_slider.maxvalue = 200;
    letter_count_slider.value = 10;
	letter_count_slider.preferredSize.width = 256;

var letter_count_box = group1.add('edittext {justify: "right", properties: {name: "letter_count_box", enterKeySignalsOnChange: true}}');
    letter_count_box.text = "10";
    letter_count_box.preferredSize.width = 64;

var letter_count_reset = group1.add("button", undefined, undefined, {name: "letter_size_reset"});
    letter_count_reset.text = "Reset";
    letter_count_reset.alignment = ["left","top"];

	coupleSlider(letter_count_slider, letter_count_box, 0);

	letter_count_reset.onClick = function() {
		letter_count_slider.value = 10;
		letter_count_box.text = "10";
	}

// LETTER_SETTINGS
// ===============
var divider1 = letter_settings.add("panel", undefined, undefined, {name: "divider1"});
    divider1.alignment = "fill";

// GROUP2
// ======
var group2 = letter_settings.add("group", undefined, {name: "group2"});
    group2.orientation = "row";
    group2.alignChildren = ["left","center"];
    group2.spacing = 10;
    group2.margins = 0;

var statictext2 = group2.add("statictext", undefined, undefined, {name: "statictext2"});
    statictext2.text = "Min Size:";
    statictext2.preferredSize.width = 64;

var letter_min_size_slider = group2.add("slider", undefined, undefined, undefined, undefined, {name: "letter_min_size_slider"});
    letter_min_size_slider.minvalue = 0;
    letter_min_size_slider.maxvalue = 100;
    letter_min_size_slider.value = 16;
	letter_min_size_slider.preferredSize.width = 256;

var letter_min_size_box = group2.add('edittext {justify: "right", properties: {name: "letter_min_size_box", enterKeySignalsOnChange: true}}');
    letter_min_size_box.text = "16";
    letter_min_size_box.preferredSize.width = 64;

	coupleSlider(letter_min_size_slider, letter_min_size_box, 1);

// GROUP3
// ======
var group3 = letter_settings.add("group", undefined, {name: "group3"});
    group3.orientation = "row";
    group3.alignChildren = ["left","center"];
    group3.spacing = 10;
    group3.margins = 0;

var statictext3 = group3.add("statictext", undefined, undefined, {name: "statictext3"});
    statictext3.text = "Max Size:";
    statictext3.preferredSize.width = 64;

var letter_max_size_slider = group3.add("slider", undefined, undefined, undefined, undefined, {name: "letter_max_size_slider"});
    letter_max_size_slider.minvalue = 0;
    letter_max_size_slider.maxvalue = 100;
    letter_max_size_slider.value = 20;
	letter_max_size_slider.preferredSize.width = 256;

var letter_max_size_box = group3.add('edittext {justify: "right", properties: {name: "letter_max_size_box", enterKeySignalsOnChange: true}}');
    letter_max_size_box.text = "20";
    letter_max_size_box.preferredSize.width = 64;

var letter_size_reset = group3.add("button", undefined, undefined, {name: "letter_size_reset"});
    letter_size_reset.text = "Reset";
    letter_size_reset.alignment = ["left","top"];

	coupleSlider(letter_max_size_slider, letter_max_size_box, 1);

	letter_size_reset.onClick = function() {
		letter_min_size_slider.value = 16;
		letter_min_size_box.text = "16";
		letter_max_size_slider.value = 20;
		letter_max_size_box.text = "20";
	}

// LETTER_SETTINGS
// ===============
var divider2 = letter_settings.add("panel", undefined, undefined, {name: "divider2"});
    divider2.alignment = "fill";

// GROUP4
// ======
var group4 = letter_settings.add("group", undefined, {name: "group4"});
    group4.orientation = "row";
    group4.alignChildren = ["left","center"];
    group4.spacing = 10;
    group4.margins = 0;

var statictext4 = group4.add("statictext", undefined, undefined, {name: "statictext4"});
    statictext4.text = "Letters:";
    statictext4.preferredSize.width = 64;

var letter_caps = group4.add("radiobutton", undefined, undefined, {name: "letter_caps"});
    letter_caps.text = "CAPS";

var letter_small = group4.add("radiobutton", undefined, undefined, {name: "letter_small"});
    letter_small.text = "small";

var letter_mixed = group4.add("radiobutton", undefined, undefined, {name: "letter_mixed"});
    letter_mixed.text = "MiXeD";

var letter_numbers = group4.add("checkbox", undefined, undefined, {name: "letter_numbers"});
    letter_numbers.text = "Numbers";

var divider_custom = group4.add("panel", undefined, undefined, {name: "divider_custom"});
    divider_custom.alignment = "fill";

var letter_custom = group4.add("radiobutton", undefined, undefined, {name: "letter_custom"});
    letter_custom.text = "Custom";

// GROUP5
// ======
var group5 = letter_settings.add("group", undefined, {name: "group5"});
    group5.orientation = "row";
    group5.alignChildren = ["left","center"];
    group5.spacing = 10;
    group5.margins = 0;
	group5.enabled = false;

var statictext5 = group5.add("statictext", undefined, undefined, {name: "statictext5"});
    statictext5.preferredSize.width = 64;

var letter_custom_regex = group5.add('edittext {properties: {name: "letter_custom_regex"}}');
    letter_custom_regex.text = "A-Za-z0-9";
    letter_custom_regex.preferredSize.width = 320;

var letter_custom_reset = group5.add("button", undefined, undefined, {name: "letter_custom_reset"});
    letter_custom_reset.text = "Default";

	coupleEnable(letter_custom, group5);

// PANEL1
// ======
var panel1 = dialog.add("panel", undefined, undefined, {name: "panel1"});
    panel1.text = "Positioning";
    panel1.preferredSize.width = 512;
    panel1.orientation = "column";
    panel1.alignChildren = ["left","top"];
    panel1.spacing = 10;
    panel1.margins = 10;

// GROUP6
// ======
var group6 = panel1.add("group", undefined, {name: "group6"});
    group6.orientation = "row";
    group6.alignChildren = ["left","center"];
    group6.spacing = 10;
    group6.margins = 0;

var statictext6 = group6.add("statictext", undefined, undefined, {name: "statictext6"});
    statictext6.text = "Random:";
    statictext6.preferredSize.width = 64;

var position_random = group6.add("checkbox", undefined, undefined, {name: "position_random"});
    position_random.text = "Position";
    position_random.value = true;

var rotation_random = group6.add("checkbox", undefined, undefined, {name: "rotation_random"});
    rotation_random.text = "Rotation";
    rotation_random.value = true;

var divider3 = group6.add("panel", undefined, undefined, {name: "divider3"});
    divider3.alignment = "fill";

var position_reset = group6.add("button", undefined, undefined, {name: "position_reset"});
    position_reset.text = "Reset Position";

var rotation_reset = group6.add("button", undefined, undefined, {name: "rotation_reset"});
    rotation_reset.text = "Reset Rotation";

// GROUP7
// ======
var group7 = panel1.add("group", undefined, {name: "group7"});
    group7.orientation = "row";
    group7.alignChildren = ["left","center"];
    group7.spacing = 10;
    group7.margins = 0;

var statictext7 = group7.add("statictext", undefined, undefined, {name: "statictext7"});
    statictext7.text = "Position:";
    statictext7.preferredSize.width = 64;

var statictext8 = group7.add("statictext", undefined, undefined, {name: "statictext8"});
    statictext8.text = "X:";

var position_from_x = group7.add('edittext {properties: {name: "position_from_x"}}');
    position_from_x.text = "0";
    position_from_x.preferredSize.width = 64;

var statictext9 = group7.add("statictext", undefined, undefined, {name: "statictext9"});
    statictext9.text = "to";

var position_to_x = group7.add('edittext {properties: {name: "position_to_x"}}');
    position_to_x.text = activeDocument.width.as("px");
    position_to_x.preferredSize.width = 64;

var divider4 = group7.add("panel", undefined, undefined, {name: "divider4"});
    divider4.alignment = "fill";

var statictext10 = group7.add("statictext", undefined, undefined, {name: "statictext10"});
    statictext10.text = "Y:";

var position_from_y = group7.add('edittext {properties: {name: "position_from_y"}}');
    position_from_y.text = "0";
    position_from_y.preferredSize.width = 64;

var statictext11 = group7.add("statictext", undefined, undefined, {name: "statictext11"});
    statictext11.text = "to";

var position_to_y = group7.add('edittext {properties: {name: "position_to_y"}}');
    position_to_y.text = activeDocument.height.as("px");
    position_to_y.preferredSize.width = 64;

	coupleEnable(position_random, [position_to_x, position_to_y]);

	position_reset.onClick = function() {
		position_from_x.text = "0";
		position_to_x.text = activeDocument.width.as("px");
		position_from_y.text = "0";
		position_to_y.text = activeDocument.height.as("px");
	}

// GROUP8
// ======
var group8 = panel1.add("group", undefined, {name: "group8"});
    group8.orientation = "row";
    group8.alignChildren = ["left","center"];
    group8.spacing = 10;
    group8.margins = 0;

var statictext12 = group8.add("statictext", undefined, undefined, {name: "statictext12"});
    statictext12.text = "Rotation:";
    statictext12.preferredSize.width = 64;

var rotation_from = group8.add('edittext {properties: {name: "rotation_from"}}');
    rotation_from.text = "0";
    rotation_from.preferredSize.width = 64;

var statictext13 = group8.add("statictext", undefined, undefined, {name: "statictext13"});
    statictext13.text = "to";

var rotation_to = group8.add('edittext {properties: {name: "rotation_to"}}');
    rotation_to.text = "360";
    rotation_to.preferredSize.width = 64;

var divider5 = group8.add("panel", undefined, undefined, {name: "divider5"});
    divider5.alignment = "fill";

var statictext14 = group8.add("statictext", undefined, undefined, {name: "statictext14"});
    statictext14.text = "Pivot:";

var pivot_center = group8.add("radiobutton", undefined, undefined, {name: "pivot_center"});
    pivot_center.text = "Center";

var pivot_corner = group8.add("radiobutton", undefined, undefined, {name: "pivot_corner"});
    pivot_corner.text = "Top Left";

	coupleEnable(rotation_random, rotation_to);

	rotation_reset.onClick = function() {
		pivot_center.value = true;
		rotation_from.text = "0";
		rotation_to.text = "360";
	}

// PANEL2
// ======
var panel2 = dialog.add("panel", undefined, undefined, {name: "panel2"});
    panel2.text = "Colors";
    panel2.preferredSize.width = 512;
    panel2.orientation = "column";
    panel2.alignChildren = ["left","top"];
    panel2.spacing = 10;
    panel2.margins = 10;

// GROUP9
// ======
var group9 = panel2.add("group", undefined, {name: "group9"});
    group9.orientation = "row";
    group9.alignChildren = ["left","center"];
    group9.spacing = 10;
    group9.margins = 0;

var statictext15 = group9.add("statictext", undefined, undefined, {name: "statictext15"});
    statictext15.text = "Colors:";
    statictext15.preferredSize.width = 64;

var colors_all = group9.add("radiobutton", undefined, undefined, {name: "colors_all"});
    colors_all.text = "All";

var colors_gray = group9.add("radiobutton", undefined, undefined, {name: "colors_gray"});
    colors_gray.text = "Grayscale";

var colors_mono = group9.add("radiobutton", undefined, undefined, {name: "colors_mono"});
    colors_mono.text = "Monochrome";

var colors_mono_color_array = ["Red","Green","Blue"];
var colors_mono_color = group9.add("dropdownlist", undefined, undefined, {name: "colors_mono_color", items: colors_mono_color_array});
    colors_mono_color.enabled = false;
    colors_mono_color.selection = 0;

var colors_custom = group9.add("radiobutton", undefined, undefined, {name: "colors_custom"});
    colors_custom.text = "Custom";

	coupleEnable(colors_mono, colors_mono_color);

// GROUP10
// =======
var group10 = panel2.add("group", undefined, {name: "group10"});
    group10.enabled = false;
    group10.orientation = "row";
    group10.alignChildren = ["left","center"];
    group10.spacing = 10;
    group10.margins = 0;

var statictext16 = group10.add("statictext", undefined, undefined, {name: "statictext16"});
    statictext16.preferredSize.width = 64;

var statictext17 = group10.add("statictext", undefined, undefined, {name: "statictext17"});
    statictext17.text = "Red:";
    statictext17.preferredSize.width = 48;

var colors_red_from_slider = group10.add("slider", undefined, undefined, undefined, undefined, {name: "colors_red_from_slider"});
    colors_red_from_slider.minvalue = 0;
    colors_red_from_slider.maxvalue = 255;
    colors_red_from_slider.value = 0;
	colors_red_from_slider.preferredSize.width = 98;

var colors_red_from_box = group10.add('edittext {properties: {name: "colors_red_from_box"}}');
    colors_red_from_box.text = "0";
    colors_red_from_box.preferredSize.width = 48;

var statictext18 = group10.add("statictext", undefined, undefined, {name: "statictext18"});
    statictext18.text = "to";

var colors_red_to_slider = group10.add("slider", undefined, undefined, undefined, undefined, {name: "colors_red_to_slider"});
    colors_red_to_slider.minvalue = 0;
    colors_red_to_slider.maxvalue = 255;
    colors_red_to_slider.value = 255;
	colors_red_to_slider.preferredSize.width = 98;

var colors_red_to_box = group10.add('edittext {properties: {name: "colors_red_to_box"}}');
    colors_red_to_box.text = "255";
    colors_red_to_box.preferredSize.width = 48;

	coupleSlider(colors_red_from_slider, colors_red_from_box, 0);
	coupleSlider(colors_red_to_slider, colors_red_to_box, 0);

// GROUP11
// =======
var group11 = panel2.add("group", undefined, {name: "group11"});
    group11.enabled = false;
    group11.orientation = "row";
    group11.alignChildren = ["left","center"];
    group11.spacing = 10;
    group11.margins = 0;

var statictext19 = group11.add("statictext", undefined, undefined, {name: "statictext19"});
    statictext19.preferredSize.width = 64;

var statictext20 = group11.add("statictext", undefined, undefined, {name: "statictext20"});
    statictext20.text = "Green:";
    statictext20.preferredSize.width = 48;

var colors_green_from_slider = group11.add("slider", undefined, undefined, undefined, undefined, {name: "colors_green_from_slider"});
    colors_green_from_slider.minvalue = 0;
    colors_green_from_slider.maxvalue = 255;
    colors_green_from_slider.value = 0;
	colors_green_from_slider.preferredSize.width = 98;

var colors_green_from_box = group11.add('edittext {properties: {name: "colors_green_from_box"}}');
    colors_green_from_box.text = "0";
    colors_green_from_box.preferredSize.width = 48;

var statictext21 = group11.add("statictext", undefined, undefined, {name: "statictext21"});
    statictext21.text = "to";

var colors_green_to_slider = group11.add("slider", undefined, undefined, undefined, undefined, {name: "colors_green_to_slider"});
    colors_green_to_slider.minvalue = 0;
    colors_green_to_slider.maxvalue = 255;
    colors_green_to_slider.value = 255;
	colors_green_to_slider.preferredSize.width = 98;

var colors_green_to_box = group11.add('edittext {properties: {name: "colors_green_to_box"}}');
    colors_green_to_box.text = "255";
    colors_green_to_box.preferredSize.width = 48;

	coupleSlider(colors_green_from_slider, colors_green_from_box, 0);
	coupleSlider(colors_green_to_slider, colors_green_to_box, 0);

// GROUP12
// =======
var group12 = panel2.add("group", undefined, {name: "group12"});
    group12.enabled = false;
    group12.orientation = "row";
    group12.alignChildren = ["left","center"];
    group12.spacing = 10;
    group12.margins = 0;

var statictext22 = group12.add("statictext", undefined, undefined, {name: "statictext22"});
    statictext22.preferredSize.width = 64;

var statictext23 = group12.add("statictext", undefined, undefined, {name: "statictext23"});
    statictext23.text = "Blue:";
    statictext23.preferredSize.width = 48;

var colors_blue_from_slider = group12.add("slider", undefined, undefined, undefined, undefined, {name: "colors_blue_from_slider"});
    colors_blue_from_slider.minvalue = 0;
    colors_blue_from_slider.maxvalue = 255;
    colors_blue_from_slider.value = 0;
	colors_blue_from_slider.preferredSize.width = 98;

var colors_blue_from_box = group12.add('edittext {properties: {name: "colors_blue_from_box"}}');
    colors_blue_from_box.text = "0";
    colors_blue_from_box.preferredSize.width = 48;

var statictext24 = group12.add("statictext", undefined, undefined, {name: "statictext24"});
    statictext24.text = "to";

var colors_blue_to_slider = group12.add("slider", undefined, undefined, undefined, undefined, {name: "colors_blue_to_slider"});
    colors_blue_to_slider.minvalue = 0;
    colors_blue_to_slider.maxvalue = 255;
    colors_blue_to_slider.value = 255;
	colors_blue_to_slider.preferredSize.width = 98;

var colors_blue_to_box = group12.add('edittext {properties: {name: "colors_blue_to_box"}}');
    colors_blue_to_box.text = "255";
    colors_blue_to_box.preferredSize.width = 48;

	coupleSlider(colors_blue_from_slider, colors_blue_from_box, 0);
	coupleSlider(colors_blue_to_slider, colors_blue_to_box, 0);

// GROUP15
// =======
var group15 = panel2.add("group", undefined, {name: "group15"});
    group15.enabled = false;
    group15.orientation = "row";
    group15.alignChildren = ["left","center"];
    group15.spacing = 10;
    group15.margins = 0;

var statictextAlpha = group15.add("statictext", undefined, undefined, {name: "statictextAlpha"});
    statictextAlpha.preferredSize.width = 64;

var statictextAlpha1 = group15.add("statictext", undefined, undefined, {name: "statictextAlpha1"});
    statictextAlpha1.text = "Alpha:";
    statictextAlpha1.preferredSize.width = 48;

var colors_alpha_from_slider = group15.add("slider", undefined, undefined, undefined, undefined, {name: "colors_alpha_from_slider"});
    colors_alpha_from_slider.minvalue = 0;
    colors_alpha_from_slider.maxvalue = 100;
    colors_alpha_from_slider.value = 0;
	colors_alpha_from_slider.preferredSize.width = 98;

var colors_alpha_from_box = group15.add('edittext {properties: {name: "colors_alpha_from_box"}}');
    colors_alpha_from_box.text = "0";
    colors_alpha_from_box.preferredSize.width = 48;

var statictextAlpha2 = group15.add("statictext", undefined, undefined, {name: "statictextAlpha2"});
    statictextAlpha2.text = "to";

var colors_alpha_to_slider = group15.add("slider", undefined, undefined, undefined, undefined, {name: "colors_alpha_to_slider"});
    colors_alpha_to_slider.minvalue = 0;
    colors_alpha_to_slider.maxvalue = 100;
    colors_alpha_to_slider.value = 100;
	colors_alpha_to_slider.preferredSize.width = 98;

var colors_alpha_to_box = group15.add('edittext {properties: {name: "colors_alpha_to_box"}}');
    colors_alpha_to_box.text = "100";
    colors_alpha_to_box.preferredSize.width = 48;

	coupleSlider(colors_alpha_from_slider, colors_alpha_from_box, 0);
	coupleSlider(colors_alpha_to_slider, colors_alpha_to_box, 0);

	coupleEnable(colors_custom, [group10, group11, group12, group15]);

// PANEL3
// ======
var panel3 = dialog.add("panel", undefined, undefined, {name: "panel2"});
    panel3.text = "Layers";
    panel3.preferredSize.width = 512;
    panel3.orientation = "column";
    panel3.alignChildren = ["left","top"];
    panel3.spacing = 10;
    panel3.margins = 10;

// GROUP14
// ======
var group14 = panel3.add("group", undefined, {name: "group14"});
    group14.orientation = "row";
    group14.alignChildren = ["left","center"];
    group14.spacing = 10;
    group14.margins = 0;

var statictextLayer = group2.add("statictext", undefined, undefined, {name: "statictextLayer"});
    statictextLayer.text = "Layer Mode:";
    statictextLayer.preferredSize.width = 64;

var keep = group14.add("radiobutton", undefined, undefined, {name: "keep"});
    keep.text = "Keep as Text";

var rasterize = group14.add("radiobutton", undefined, undefined, {name: "rasterize"});
    rasterize.text = "Rasterize";

var merge = group14.add("radiobutton", undefined, undefined, {name: "merge"});
    merge.text = "Merge";

var fillBackground = group14.add("radiobutton", undefined, undefined, {name: "fillBackground"});
    fillBackground.text = "Fill Background";

// GROUP13
// =======
var group13 = dialog.add("group", undefined, {name: "group13"});
    group13.orientation = "row";
    group13.alignChildren = ["left","center"];
    group13.spacing = 10;
    group13.margins = 0;
    group13.alignment = ["right","top"];

var cancel = group13.add("button", undefined, undefined, {name: "cancel"});
    cancel.text = "Cancel";
    cancel.alignment = ["left","top"];

var generate = group13.add("button", undefined, undefined, {name: "generate"});
    generate.text = "Generate";
    generate.alignment = ["left","bottom"];

letter_caps.value = true;
pivot_center.value = true;
colors_all.value = true;
keep.value = true;

// Progress Dialog

var progress = new Window("palette", "Generating Letters...", undefined, {closeButton: false});
    progress.orientation = "column";
    progress.alignChildren = ["center","top"];
    progress.spacing = 10;
    progress.margins = 16;

var group20 = progress.add("group", undefined, {name: "group20"});
    group20.orientation = "row";
    group20.alignChildren = ["left","center"];
    group20.spacing = 10;
    group20.margins = 0;
    group20.alignment = ["right","top"];

var progressbar = group20.add("progressbar", undefined, undefined, undefined, undefined, {name: "progressbar"});
    progressbar.minvalue = 0;
    progressbar.maxvalue = 100;
    progressbar.value = 0;
	progressbar.preferredSize.width = 256;

var percentage = group20.add("statictext", undefined, undefined, {name: "percentage"});
    percentage.text = "0%";
    percentage.preferredSize.width = 64;

	generate.onClick = function() {
		var settings = {
			count: parseInt(letter_count_box.text),
			font: ScriptUI.newFont(font_array[parseInt(font.selection)], font_bold.value ? (font_italic.value ? 3 : 1) : (font_italic.value ? 2 : 0), 12)
				.toString().split(":")[0],
			size: [parseFloat(letter_min_size_box.text), parseFloat(letter_max_size_box.text)],
			letters: "",
			position: position_random.value ? [{ x: parseFloat(position_from_x.text), y: parseFloat(position_from_y.text) },
												{ x: parseFloat(position_to_x.text), y: parseFloat(position_to_y.text) }] :
											{ x: parseFloat(position_from_x.text), y: parseFloat(position_from_y.text) },
			rotation: rotation_random.value ? [ parseFloat(rotation_from.text) , parseFloat(rotation_to.text) ] :
											parseFloat(rotation_from.text),
			pivotCenter: pivot_center.value,
			colors: {},
			grayscale: colors_gray.value,
			rasterize: rasterize.value,
			merge: merge.value,
			fillBackground: fillBackground.value
		}

		var letterRegex = letter_numbers.value ? "0-9" : "";
		if (letter_caps.value) letterRegex += "A-Z";
		else if (letter_small.value) letterRegex += "a-z";
		else if (letter_mixed.value) letterRegex += "A-Za-z";
		else letterRegex = letter_custom_regex.text;

		letterRegex = letterRegex.replace(/-/g, "");
		for (var i = 0; i < letterRegex.length; i += 2) {
			if (i+1 >= letterRegex.length) letterRegex += letterRegex[i];
			else {
				for (var c = letterRegex.charCodeAt(i); c < letterRegex.charCodeAt(i+1); c++)
					settings.letters += String.fromCharCode(c);
			}
		}

		if (colors_all.value) {
			settings.colors.r = [0, 255];
			settings.colors.g = [0, 255];
			settings.colors.b = [0, 255];
		}
		if (colors_mono.value) {
			settings.colors.r = [0, 0];
			settings.colors.g = [0, 0];
			settings.colors.b = [0, 0];
			switch(colors_mono_color.selection) {
				case "0":
					settings.colors.r[1] = 255;
					break;
				case "1":
					settings.colors.g[1] = 255;
					break;
				case "2":
					settings.colors.b[1] = 255;
					break;
			}
		}
		if (colors_custom.value) {
			settings.colors.r = [parseInt(colors_red_from_box.text), parseInt(colors_red_to_box.text)];
			settings.colors.g = [parseInt(colors_green_from_box.text), parseInt(colors_green_to_box.text)];
			settings.colors.b = [parseInt(colors_blue_from_box.text), parseInt(colors_blue_to_box.text)];
			settings.colors.a = [parseInt(colors_alpha_from_box.text), parseInt(colors_alpha_to_box.text)];
		}

		dialog.close();
		progress.show();

		try {
			generateLetters(settings);
		} catch(e) {
			alert("An Error occured: " + e.message);
		}

		progress.close();
	}

dialog.show();

function generateLetters(settings) {
	var layers = activeDocument.artLayers;

	progressbar.maxvalue = settings.count;

	if (settings.fillBackground || settings.merge) {
		progressbar.maxvalue++;
		var layer = layers.add();
		layer.name = "Random Letters";
		if (settings.fillBackground )
				activeDocument.selection.fill(backgroundColor );

		progressbar.value++;
	}

	for (var i = 0; i < settings.count; i++) {
		var content = settings.letters[Math.floor(Math.random()*settings.letters.length)];

		var layer = layers.add();
		layer.kind = LayerKind.TEXT;
		layer.textItem.name = content;
		layer.textItem.contents = content;

		layer.textItem.font = settings.font;
		layer.textItem.size = Math.random()*(settings.size[1]-settings.size[0])+settings.size[0];
		if (typeof settings.rotation == "number") layer.rotate(settings.rotation, settings.pivotCenter ? AnchorPosition.MIDDLECENTER : AnchorPosition.TOPLEFT);
		else layer.rotate((Math.random()*(settings.rotation[1] - settings.rotation[0]) + settings.rotation[0]),
			settings.pivotCenter ? AnchorPosition.MIDDLECENTER : AnchorPosition.TOPLEFT);

		var color = new SolidColor();
		if (settings.grayscale) {
			color.rgb.red = color.rgb.green = color.rgb.blue = Math.round(Math.random()*255);
		} else {
			color.rgb.red = Math.round(Math.random()*(settings.colors.r[1] - settings.colors.r[0]) + settings.colors.r[0]);
			color.rgb.green = Math.round(Math.random()*(settings.colors.g[1] - settings.colors.g[0]) + settings.colors.g[0]);;
			color.rgb.blue = Math.round(Math.random()*(settings.colors.b[1] - settings.colors.b[0]) + settings.colors.b[0]);;
		}
		layer.textItem.color = color;

		if (settings.colors.a) {
			layer.opacity = Math.random()*(settings.colors.a[1]-settings.colors.a[0])+settings.colors.a[0];
		}

		var bounds = [layer.bounds[0].as("px")*0.5+layer.bounds[2].as("px")*0.5, layer.bounds[1].as("px")*0.5+layer.bounds[3].as("px")*0.5];
		layer.translate(-bounds[0], -bounds[1]);
		if (!(settings.position instanceof Array)) layer.translate(settings.position.x, settings.position.y);
		else layer.translate(Math.random()*(settings.position[1].x - settings.position[0].x) + settings.position[0].x,
			Math.random()*(settings.position[1].y - settings.position[0].y) + settings.position[0].y);

		if (settings.rasterize || settings.merge || settings.fillBackground) layer.rasterize(RasterizeType.TEXTCONTENTS);
		if (settings.merge || settings.fillBackground) layer.merge();

		progressbar.value++;
		percentage = Math.round(i / settings.count * 100) + "%";
	}
}