Utility methods to attempt to make initializing a TextField easier.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@213 ed5b42cb-e716-0410-a449-f6a68f950b19

src/as/com/threerings/flash/TextFieldUtil.as

@@ -0,0 +1,72 @@
+package com.threerings.flash {
+
+import flash.filters.GlowFilter;
+
+import flash.text.TextField;
+import flash.text.TextFieldAutoSize;
+import flash.text.TextFieldType;
+import flash.text.TextFormat;
+import flash.text.TextFormatAlign;
+
+public class TextFieldUtil
+{
+    /**
+     * Create a TextField.
+     *
+     * args: contains properties with which to initialize the TextField
+     */
+    public static function createField (text :String, args :Object = null) :TextField
+    {
+        var tf :TextField = new TextField();
+        tf.background = getArg(args, "background", false);
+        tf.border = getArg(args, "border", false);
+        tf.multiline = getArg(args, "multiline", false);
+        tf.type = getArg(args, "type", TextFieldType.DYNAMIC);
+
+        var format :* = getArg(args, "format");
+        if (format !== undefined) {
+            tf.defaultTextFormat = format;
+        }
+
+        var outColor :* = getArg(args, "outlineColor");
+        if (outColor !== undefined) {
+            tf.filters = [ new GlowFilter(uint(outColor), 1, 2, 2, 255) ];
+        }
+
+        tf.autoSize = getArg(args, "autoSize", TextFieldAutoSize.LEFT);
+        tf.text = text;
+        if (tf.autoSize != null) {
+            tf.width = tf.textWidth + 5;
+            tf.height = tf.textHeight + 4;
+        }
+
+        return tf;
+    }
+
+    /**
+     * Create a TextFormat.
+     */
+    public static function createFormat (args :Object) :TextFormat
+    {
+        var f :TextFormat = new TextFormat();
+        f.align = getArg(args, "align", TextFormatAlign.LEFT);
+        f.blockIndent = getArg(args, "blockIndent", null);
+        f.bold = getArg(args, "bold", false);
+        f.bullet = getArg(args, "bullet", null);
+
+        f.size = getArg(args, "size", 18);
+        f.font = getArg(args, "font", "Arial");
+        f.color = getArg(args, "color", 0x000000);
+
+        return f;
+    }
+
+    protected static function getArg (args :Object, name :String, defVal :* = undefined) :*
+    {
+        if (args != null && (name in args)) {
+            return args[name];
+        }
+        return defVal;
+    }
+}
+}