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PDF-form.lyx: add example how to validate numbers

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This commit is contained in:
Uwe Stöhr 2015-04-30 00:17:39 +02:00
parent 41b39ff835
commit d20bc1c883
1 changed files with 115 additions and 10 deletions
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125
lib/examples/PDF-form.lyx
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@ -21,18 +21,32 @@
\pdfcatalog{/AA \the\pdflastobj\space 0 R}
\begin{insDLJS}[exaaae]{exaaae}{JavaScript}
function validateTime(){
this.delay = true;
if((event.value == "u") || (event.value == "unlimited")) {
this.getField("from").display = display.hidden;
this.getField("to").display = display.hidden;
} else {
this.getField("from").display = display.visible;
this.getField("to").display = display.visible;
this.getField("from").setFocus();
}
this.delay = false;
this.getField("from").display = display.hidden;
this.getField("to").display = display.hidden;
} else {
this.getField("from").display = display.visible;
this.getField("to").display = display.visible;
this.getField("from").setFocus();
}
this.delay = false;
}
function checkNumber() {
event.rc = true;
if (!Number(event.value))
{
app.alert("Value must be a number!");
event.value = "";
} else {
event.target.textColor = color.green;
}
}
\end{insDLJS}
% if pdflatex is used
@ -1431,7 +1445,7 @@ Here are some examples:
\end_layout
\begin_layout Text Field Style
print, bordercolor=red,borderstyle=U, backgroundcolor=lightgray, color=lime,
print, bordercolor=red, borderstyle=U, backgroundcolor=lightgray, color=lime,
maxlen=10, align=2, charsize=16pt
\end_layout
@ -2749,7 +2763,11 @@ Note:
\emph on
All
\emph default
JavaScript funtions must be inserted into the same insDLJS environment.
JavaScript funtions must be inserted into the same
\family sans
insDLJS
\family default
environment.
\end_layout
\end_inset
@ -2928,6 +2946,93 @@ name=to,width=10em
\end_inset
\end_layout
\begin_layout Standard
\begin_inset VSpace bigskip
\end_inset
\end_layout
\begin_layout Standard
To check and assure that the user only enters a number to a text field you
can for example use this JavaScript code:
\end_layout
\begin_layout Standard
\begin_inset listings
lstparams "language=TeX"
inline false
status open
\begin_layout Plain Layout
function checkNumber() {
\end_layout
\begin_layout Plain Layout
event.rc = true;
\end_layout
\begin_layout Plain Layout
if (!Number(event.value)) {
\end_layout
\begin_layout Plain Layout
app.alert("Value must be a number!");
\end_layout
\begin_layout Plain Layout
event.value = "";
\end_layout
\begin_layout Plain Layout
} else {
\end_layout
\begin_layout Plain Layout
event.target.textColor = color.green;
\end_layout
\begin_layout Plain Layout
}
\end_layout
\end_inset
\end_layout
\begin_layout Standard
An example text field:
\begin_inset Flex TextField
status open
\begin_layout Plain Layout
\begin_inset Argument 1
status open
\begin_layout Plain Layout
name=test, align=1, validate={checkNumber();}
\end_layout
\end_inset
\end_layout
\end_inset
\end_layout
\begin_layout Standard