[Laszlo-checkins] r13617 - openlaszlo/trunk/WEB-INF/lps/lfc/kernel/swf9

[bargull@openlaszlo.org]

Author: bargull
Date: 2009-04-06 10:39:09 -0700 (Mon, 06 Apr 2009)
New Revision: 13617

Modified:
   openlaszlo/trunk/WEB-INF/lps/lfc/kernel/swf9/LzTextSprite.as
Log:
Change 20090405-bargull-Fp9 by bargull at dell--p4--2-53 on 2009-04-05 21:42:42
    in /home/Admin/src/svn/openlaszlo/trunk
    for http://svn.openlaszlo.org/openlaszlo/trunk

Summary: IllegalOperationError when setting defaultTextFormat

New Features:

Bugs Fixed: LPP-8024 (SWF9: flash error if defaultTextFormat is set on a textfield with stylesheet)

Technical Reviewer: max
QA Reviewer: (pending)
Doc Reviewer: (pending)

Documentation:

Release Notes:

Details:
Implement some basic changes in order to provide support for Flash StyleSheets on text.
(The Flash player throws an IllegalOperationError if you set the defaultTextFormat property on TextField which has got a StyleSheet.)
    

Tests:



Modified: openlaszlo/trunk/WEB-INF/lps/lfc/kernel/swf9/LzTextSprite.as
===================================================================
--- openlaszlo/trunk/WEB-INF/lps/lfc/kernel/swf9/LzTextSprite.as	2009-04-06 14:23:00 UTC (rev 13616)
+++ openlaszlo/trunk/WEB-INF/lps/lfc/kernel/swf9/LzTextSprite.as	2009-04-06 17:39:09 UTC (rev 13617)
@@ -23,6 +23,7 @@
         import flash.geom.Point;
         import flash.net.URLRequest;
         import flash.text.AntiAliasType;
+        import flash.text.StyleSheet;
         import flash.text.TextField;
         import flash.text.TextFieldAutoSize;
         import flash.text.TextFormat;
@@ -512,13 +513,18 @@
 
         public function appendText( t:String ):void {
             this.text += t;
+
+            var tfield:TextField = this.textfield;
             if (! this.html) {
-                this.textfield.appendText(t);
+                tfield.appendText(t);
+            } else if (tfield.styleSheet == null) {
+                var df:TextFormat = tfield.defaultTextFormat;
+                // reset textformat to workaround flash player bug (FP-77)
+                tfield.defaultTextFormat = df;
+                tfield.htmlText = this.text;
             } else {
-                var df:TextFormat = this.textfield.defaultTextFormat;
-                // reset textformat to workaround flash player bug (FP-77)
-                this.textfield.defaultTextFormat = df;
-                this.textfield.htmlText = this.text;
+                // you can't set defaultTextFormat if a style sheet is applied
+                tfield.htmlText = this.text;
             }
         }
 
@@ -538,21 +544,24 @@
          * @param String t: the string to which to set the text
          */
         public function setText ( t:String ):void {
-            //this.textfield.cacheAsBitmap = false;
             this.text = t;
-            if (this.html) {
-                var df:TextFormat = this.textfield.defaultTextFormat;
+
+            var tfield:TextField = this.textfield;
+            if (! this.html) {
+                tfield.text = t;
+            } else if (tfield.styleSheet == null) {
+                var df:TextFormat = tfield.defaultTextFormat;
                 // reset textformat to workaround flash player bug (FP-77)
-                this.textfield.defaultTextFormat = df;
-                this.textfield.htmlText = t;
+                tfield.defaultTextFormat = df;
+                tfield.htmlText = t;
             } else {
-                this.textfield.text = t;
+                // you can't set defaultTextFormat if a style sheet is applied
+                tfield.htmlText = t;
             }
 
             if (this.resize && (this.multiline == false)) {
                 // single line resizable fields adjust their width to match the text
                 var w:Number = this.getTextWidth();
-                //Debug.write('lztextsprite resize setwidth ', w, this.lzheight );
                 if (w != this.lzwidth) {
                     this.setWidth(w);
                 }
@@ -560,12 +569,10 @@
 
             //multiline resizable fields adjust their height
             if (this.sizeToHeight) {
-                var theight:Number = this.textfield.textHeight;
+                var theight:Number = tfield.textHeight;
                 if (theight == 0) theight = this.lineheight;
                 this.setHeight(theight + LzTextSprite.PAD_TEXTHEIGHT);
             }
-
-            //this.textfield.cacheAsBitmap = true;
         }
 
         /**
@@ -583,6 +590,7 @@
             //            Debug.write("__setFormat this.font=", this.font, 'this.fontname = ',this.fontname,
             //'cfontname=', cfontname);
 
+            var tfield:TextField = this.textfield;
             var tf:TextFormat = new TextFormat();
             tf.kerning = true;
             tf.size = this.fontsize;
@@ -590,7 +598,7 @@
             tf.color = this.textcolor;
 
             // If there is no font found, assume a device font
-            this.textfield.embedFonts = (this.font != null);
+            tfield.embedFonts = (this.font != null);
 
             tf.bold = (this.fontstyle == "bold" || this.fontstyle =="bolditalic");
             tf.italic = (this.fontstyle == "italic" || this.fontstyle =="bolditalic");
@@ -604,13 +612,17 @@
             }
             tf.letterSpacing = this.letterspacing;
 
-            this.textfield.defaultTextFormat = tf;
+            // you can't set defaultTextFormat if a style sheet is applied
+            var stylesheet:StyleSheet = tfield.styleSheet;
+            tfield.styleSheet = null;
+            tfield.defaultTextFormat = tf;
 
             // measure sample text
-            var text:String = this.textfield[this.html ? 'htmlText' : 'text'];
-            this.textfield.text = "__ypgSAMPLE__";
-            var lm:TextLineMetrics = this.textfield.getLineMetrics(0);
-            this.textfield[this.html ? 'htmlText' : 'text'] = text;
+            var text:String = tfield[this.html ? 'htmlText' : 'text'];
+            tfield.text = "__ypgSAMPLE__";
+            var lm:TextLineMetrics = tfield.getLineMetrics(0);
+            tfield.styleSheet = stylesheet;
+            tfield[this.html ? 'htmlText' : 'text'] = text;
 
             var lh:Number = lm.ascent + lm.descent + lm.leading;
             if (lh !== this.lineheight) {