Revision: 4539
http://sourceforge.net/p/vexi/code/4539
Author: clrg
Date: 2013-08-23 11:13:11 +0000 (Fri, 23 Aug 2013)
Log Message:
-----------
Ratio layout - sizes children in proportion to their declared 'ratio'
e.g. where A.ratio=2 and B.ratio=1, A will be twice the size of B
Added Paths:
-----------
branches/vexi3/org.vexi-vexi.widgets/src_main/org/vexi/lib/layout/ratio.t
branches/vexi3/org.vexi-vexi.widgets/src_main/vexi/layout/ratio.t
branches/vexi3/org.vexi-vexi.widgets/src_test/test/layout/ratio.t
Added: branches/vexi3/org.vexi-vexi.widgets/src_main/org/vexi/lib/layout/ratio.t
===================================================================
--- branches/vexi3/org.vexi-vexi.widgets/src_main/org/vexi/lib/layout/ratio.t
(rev 0)
+++ branches/vexi3/org.vexi-vexi.widgets/src_main/org/vexi/lib/layout/ratio.t
2013-08-23 11:13:11 UTC (rev 4539)
@@ -0,0 +1,47 @@
+<!-- Copyright 2013 - see COPYING for details [LGPL] -->
+
+<vexi xmlns:ui="vexi://ui" xmlns:role="org.vexi.lib.role">
+ <role:polarizable />
+ <ui:box>
+
+ var totalRatio = 0;
+ const updateTotal = function(v) {
+ var oldRatio = trapee.ratio;
+ cascade = v==null?1:v;
+ totalRatio = totalRatio - oldRatio + trapee.ratio;
+ reflow();
+ }
+
+ thisbox.Children ++= function(v) {
+ if (v) {
+ if (v.ratio==null)
+ v.ratio = 1;
+ totalRatio += v.ratio;
+ v.ratio ++= updateTotal;
+ } else {
+ const box = thisbox[trapname];
+ totalRatio -= v.ratio;
+ }
+ cascade = v;
+ }
+
+ thisbox.Resize ++= function(v) {
+ var factor = thisbox[dim] / totalRatio;
+ var remainder = 0;
+ var totalSize = 0;
+ for (var i,child in thisbox) {
+ if (child.display) {
+ var rawSize = (child.ratio * factor) + remainder;
+ var actSize = vexi.math.round(rawSize);
+ remainder = rawSize - actSize;
+ child[dim] = actSize;
+ totalSize += actSize;
+ }
+ }
+ if (totalSize != thisbox[dim]) {
+ thisbox[numchildren-1][dim] += (thisbox[dim] - totalSize);
+ }
+ }
+
+ </ui:box>
+</vexi>
Added: branches/vexi3/org.vexi-vexi.widgets/src_main/vexi/layout/ratio.t
===================================================================
--- branches/vexi3/org.vexi-vexi.widgets/src_main/vexi/layout/ratio.t
(rev 0)
+++ branches/vexi3/org.vexi-vexi.widgets/src_main/vexi/layout/ratio.t
2013-08-23 11:13:11 UTC (rev 4539)
@@ -0,0 +1,19 @@
+<!-- Copyright 2013 - see COPYING for details [LGPL] -->
+
+<vexi xmlns:ui="vexi://ui" xmlns:meta="vexi://meta"
xmlns="org.vexi.lib.layout">
+ <meta:doc>
+ <author>Charles Goodwin</author>
+ <name>Grid</name>
+ <desc>Use for forming a packed grid of boxes</desc>
+ <usage>
+ <ratio>
+ <ui:box ratio="1" />
+ <ui:box ratio="2" />
+ <ui:box ratio="0.5" />
+ etc
+ </ratio>
+ </usage>
+ </meta:doc>
+
+ <ratio />
+</vexi>
\ No newline at end of file
Added: branches/vexi3/org.vexi-vexi.widgets/src_test/test/layout/ratio.t
===================================================================
--- branches/vexi3/org.vexi-vexi.widgets/src_test/test/layout/ratio.t
(rev 0)
+++ branches/vexi3/org.vexi-vexi.widgets/src_test/test/layout/ratio.t
2013-08-23 11:13:11 UTC (rev 4539)
@@ -0,0 +1,52 @@
+<vexi xmlns:meta="vexi://meta" xmlns:ui="vexi://ui" xmlns="vexi.layout">
+ <meta:doc>
+ <author>Charles Goodwin</author>
+ </meta:doc>
+
+
+
+
+
+
+ <ui:box>
+ var vunit = vexi..vexi.test.vunit;
+
+ var newBox = function(n, r, f) {
+ var b = vexi.box;
+ b.fill = f;
+ b.name = n;
+ b.ratio = r;
+ return b;
+ };
+
+ var assertWidth = function(w, b) {
+ vexi.log.info(b.name+".width: "+b.width);
+ vunit..assertEquals(w, b.width);
+ };
+
+
+ var b = vexi.box;
+ b.visible ++= function() { return true; };
+ .ratio(b);
+ b[0] = newBox("A",1,"red");
+ b[1] = newBox("B",2,"blue");
+ b[2] = newBox("C",0.5,"green");
+ b[3] = newBox("D",1.5,"yellow");
+ b.width = 100;
+ b.fill = "white";
+
+ var f = vexi.box;
+ f.layout="place";
+ f[0] = b;
+ vexi.ui.frame = f;
+ f.Press1 ++= function(v) {
+ cascade = v;
+ b.discover();
+ assertWidth(20, b[0]);
+ assertWidth(40, b[1]);
+ assertWidth(10, b[2]);
+ assertWidth(30, b[3]);
+ }
+
+ </ui:box>
+</vexi>
\ No newline at end of file
This was sent by the SourceForge.net collaborative development platform, the
world's largest Open Source development site.
------------------------------------------------------------------------------
Introducing Performance Central, a new site from SourceForge and
AppDynamics. Performance Central is your source for news, insights,
analysis and resources for efficient Application Performance Management.
Visit us today!
http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk
_______________________________________________
Vexi-svn mailing list
Vexi-svn@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/vexi-svn
