Revision: 3461
http://vexi.svn.sourceforge.net/vexi/?rev=3461&view=rev
Author: clrg
Date: 2009-03-27 13:54:07 +0000 (Fri, 27 Mar 2009)
Log Message:
-----------
Improvement to examples
- move examples under src, org/vexi/ structure superfluous
- some easy-to-implement feature enhancements
- .vexipath
Modified Paths:
--------------
trunk/widgets/org.vexi.examples/.vexipath
trunk/widgets/org.vexi.examples/src/compimg/main.t
trunk/widgets/org.vexi.examples/src/evalscript/main.t
trunk/widgets/org.vexi.examples/src/textconvert/main.t
Added Paths:
-----------
trunk/widgets/org.vexi.examples/src/compimg/
trunk/widgets/org.vexi.examples/src/evalscript/
trunk/widgets/org.vexi.examples/src/textconvert/
Removed Paths:
-------------
trunk/widgets/org.vexi.examples/src/org/
Modified: trunk/widgets/org.vexi.examples/.vexipath
===================================================================
--- trunk/widgets/org.vexi.examples/.vexipath 2009-03-27 03:20:35 UTC (rev
3460)
+++ trunk/widgets/org.vexi.examples/.vexipath 2009-03-27 13:54:07 UTC (rev
3461)
@@ -1,8 +1,7 @@
{
"source" : [
- "F/org.vexi.examples/src"
+ "F/org.vexi.examples/src",
+ "LVexi Platform"
],
- "projects" : [
- "P/org.vexi.widgets"
- ]
+ "projects" : [ ]
}
\ No newline at end of file
Modified: trunk/widgets/org.vexi.examples/src/compimg/main.t
===================================================================
--- trunk/widgets/org.vexi.examples/src/org/vexi/compimg/main.t 2009-03-27
02:19:23 UTC (rev 3458)
+++ trunk/widgets/org.vexi.examples/src/compimg/main.t 2009-03-27 13:54:07 UTC
(rev 3461)
@@ -1,7 +1,7 @@
<!-- Copyright 2008 - see COPYING for details [LGPL] -->
<vexi xmlns:ui="vexi://ui" xmlns:meta="vexi://meta" xmlns="vexi.widget"
- xmlns:lay="vexi.layout" xmlns:comp="org.vexi.compimg">
+ xmlns:lay="vexi.layout" xmlns:comp="compimg">
<meta:doc>
<author>Charles Goodwin</author>
<name>Compare Images</name>
@@ -19,8 +19,8 @@
<surface />
<ui:box orient="vertical" frametitle="Compare Images">
<ui:box vshrink="true">
- <textfield enabled="false" id="res1" />
- <textfield enabled="false" id="res2" />
+ <textfield enabled="false" id="left" />
+ <textfield enabled="false" id="right" />
</ui:box>
<bevel form="down">
<scrollpane align="topleft" autohide="true">
@@ -42,12 +42,26 @@
return res;
}
- { // constructor
- var r1 = vexi.params["res1"];
- $res1.text = r1;
+ // use an anonymous function so we can return if we
+ // encounter an error; avoids nesting if statements
+
+ /** constructor */
+ function() {
+ var r1 = vexi.params["left_dir"];
+ if (r1==null) {
+ text = "Please specify a folder to fetch images to display on
the left"
+ +" using the parameter 'left_dir'";
+ return;
+ }
+ $left.text = r1;
r1 = getResource(r1);
- var r2 = vexi.params["res2"];
- $res2.text = r2;
+ var r2 = vexi.params["right_dir"];
+ if (r2==null) {
+ text = "Please specify a folder to fetch images to display on
the right"
+ +" using the parameter 'right_dir'";
+ return;
+ }
+ $right.text = r2;
r2 = getResource(r2);
var images = {};
// mark images
@@ -64,7 +78,7 @@
vexi.thread.yield();
}
}
- } // end constructor
+ }.apply();
</ui:box>
</vexi>
\ No newline at end of file
Modified: trunk/widgets/org.vexi.examples/src/evalscript/main.t
===================================================================
--- trunk/widgets/org.vexi.examples/src/org/vexi/evalscript/main.t
2009-03-27 02:19:23 UTC (rev 3458)
+++ trunk/widgets/org.vexi.examples/src/evalscript/main.t 2009-03-27
13:54:07 UTC (rev 3461)
@@ -23,13 +23,27 @@
vexi.ui.frame = thisbox;
+ /** the action fired when the user activates the evaluate button */
$eval.action ++= function(v) {
try {
var scr = $script.text;
+ // as the script text is evaluated, it returns a
+ // value that gets displayed in the output area
if ($wrap.selected) {
scr = "return "+scr+";\n";
}
- var res = vexi.js.eval(scr);
+ // this gives the script access to the vexi object
+ // and if it looks a bit intimidating, try to think
+ // of it as shorthand for:
+ // var scope = {};
+ // scope["vexi"] = vexi;
+ var scope = {vexi:vexi};
+ // vexi.js.eval takes a string and an object that
+ // represents the scope, evaluates the string as
+ // a script with access to the given scope
+ var res = vexi.js.eval(scr, scope);
+ // result needs to be converted back in to a form
+ // that is useful for feedback i.e. stringify it
$output.text = vexi.js.stringify(res);
} catch(e) {
vexi.log.info(e);
Modified: trunk/widgets/org.vexi.examples/src/textconvert/main.t
===================================================================
--- trunk/widgets/org.vexi.examples/src/org/vexi/textconvert/main.t
2009-03-27 02:19:23 UTC (rev 3458)
+++ trunk/widgets/org.vexi.examples/src/textconvert/main.t 2009-03-27
13:54:07 UTC (rev 3461)
@@ -7,9 +7,11 @@
<about>
Applies a conversion operation on user-inputted text.
- Currently it only supports one type of conversion:
+ Currently it only supports some basic conversions:
* Capitalized text to non-capitalized text
e.g. TEXT A. TEXT B. -> Text a. Text b.
+ * Case inversion e.g. A->a, a->A
+ * Lowercase e.g. A->a, a->a
</about>
</meta:doc>
@@ -19,7 +21,9 @@
<ui:box shrink="true">
<ui:box text=" Conversion " />
<option id="type" width="100">
- <item text="De-caps" />
+ <item id="sanc" text="Sane case" />
+ <item id="invc" text="Invert case" />
+ <item id="lowc" text="Lowercase" />
</option>
<button id="doit" text="Convert Text" />
</ui:box>
@@ -28,28 +32,72 @@
vexi.ui.frame = thisbox;
$doit.action ++= function(v) {
- var o = vexi.string;
- var t = $orig.text;
- var s = "";
- var n = "";
+ /**
+ * The way this works it that each item in the option
+ * has a value and instead of using e.g. a string and
+ * a switch based on the string, we bypass that logic
+ * and assign a function as the value. This allows us
+ * to simply call the value of the option which points
+ * to the value of the selected item.
+ */
+ $conv.text = $type.value($orig.text);
+ return;
+ }
+
+ // shorthand
+ var stro = vexi.string;
+
+ $sanc.value = function(t) {
var cap = true;
+ var newtext = [];
+ var nlength = 0;
for (var i=0; t.length>i; i++) {
var s = t.charAt(i);
var c = t.charCodeAt(i);
- vexi.log.info(s+", "+c);
if (c >= 65 and 90 >= c) {
- n += cap ? s : o.fromCharCode(c+32);
+ newtext[nlength++] = cap ? s : stro.fromCharCode(c+32);
cap = false;
} else if (c >= 97 and 122 >= c) {
- n += cap ? o.fromCharCode(c-32) : s;
+ newtext[nlength++] = cap ? stro.fromCharCode(c-32) : s;
cap = false;
} else {
- n += s;
+ newtext[nlength++] = s;
if (c == 46 or c == 10 or c == 13) cap = true;
}
}
- $conv.text = n;
+ return newtext.join("");
}
+
+ $invc.value = function(t) {
+ var newtext = [];
+ var nlength = 0;
+ for (var i=0; t.length>i; i++) {
+ var s = t.charAt(i);
+ var c = t.charCodeAt(i);
+ if (c >= 65 and 90 >= c)
+ newtext[nlength++] = stro.fromCharCode(c+32);
+ else if (c >= 97 and 122 >= c)
+ newtext[nlength++] = stro.fromCharCode(c-32);
+ else newtext[nlength++] = s;
+ }
+ return newtext.join("");
+ }
+
+ $lowc.value = function(t) {
+ var newtext = [];
+ var nlength = 0;
+ for (var i=0; t.length>i; i++) {
+ var s = t.charAt(i);
+ var c = t.charCodeAt(i);
+ if (c >= 65 and 90 >= c)
+ newtext[nlength++] = stro.fromCharCode(c+32);
+ else newtext[nlength++] = s;
+ }
+ return newtext.join("");
+ }
+
+ // set the default converter
+ $sanc.selected = true;
</ui:box>
</vexi>
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