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[XForms] range with no end attr results in unusable control. Bug 377867, r=surkov+msterlin

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git-svn-id: svn://10.0.0.236/trunk@224774 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
aaronr%us.ibm.com 2007-04-20 01:56:20 +00:00
parent d3a86e4162
commit 02cb6e7a2c
1 changed files with 15 additions and 1 deletions
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16
mozilla/extensions/xforms/resources/content/widgets-xhtml.xml
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@ -399,7 +399,7 @@
value = this.max;
var boxobj = this.sliderController;
if (!isNaN(this.value) && this.value != value)
if (this.value != value)
this.eraseSlider(boxobj.getXCoordFromValue(this.value));
this.drawSlider(boxobj.getXCoordFromValue(value));
this.setAttribute("value", value);
@ -522,6 +522,12 @@
// Takes a value and calculates the x position.
getXCoordFromValue: function(aValue) {
if (isNaN(aValue) || isNaN(this.max) || isNaN(this.min)) {
// During initialization, it is possible that aValue will be
// NaN. Math type stuff has issues with NaN, so we'll bow out
// early if we find that is the case.
return NaN;
}
var k = this.barWidth / (this.max - this.min);
var pos = aValue - this.min;
return Math.round(pos * k) + this.barMargin;
@ -563,6 +569,10 @@
<parameter name="aPos"/>
<body>
<![CDATA[
if (isNaN(aPos)) {
// aPos could be NaN if getXCoordFromValue returns NaN, for example
return;
}
var boxobj = this.sliderController;
if (boxobj.barHeight <= 0 || boxobj.barWidth <=0)
return;
@ -598,6 +608,10 @@
<parameter name="aPos"/>
<body>
<![CDATA[
if (isNaN(aPos)) {
// aPos could be NaN if getXCoordFromValue returns NaN, for example
return;
}
var boxobj = this.sliderController;
if (boxobj.barHeight <= 0 || boxobj.barWidth <= 0)
return;