Description:
Blank Row Restriction is to avoid unwanted addition of rows in detail report (tabular Form) when a blank row already exists. This functionality can be achieved by Javascript. It is simple but can be reused everywhere.
Step:1:
Change Add Row Button action as “Defined by Dynamic Action.”
Step:2:
Create Dynamic Action with action as
Event: Click Button
Action : Execute Javascript Code
Code :
var i = 1;
var count = 0;
var c;
while (i != 0) {
b = “000” + i;
//alert(b);
b = pad(i,4); // calls function pad and pads 4 zeros
a = $x(“f05_” + b).value; // id of mandatory column
//alert(a);
if (typeof a === “undefined”) {
i = 0;
} else {
c = a.trim();
if (c.length == 0) {
count = count + 1;
} else {
count = 0;
}
i = i + 1;
}
}
if (count == 0) {
javascript:apex.widget.tabular.addRow(); // Adds New Row
//javascript:addRowTop();
}
else {
$(“#alert”).html(“Blank row already exists. Hence cannot add row”);
$(“#alert”).dialog({modal:true,resizable: false,minHeight: 105,width:380,dialogClass: ‘testclass’});
}
// Alert displayed with Jquery Dialog . For Better include Class as testclass and style elements, Otherwise Ignore it
function pad(n, width, z) {
z = z || ‘0’;
n = n + ”;
return n.length >= width ? n : new Array(width – n.length + 1).join(z) + n;
}
CSS : (Include CSS as Inline CSS)
.testclass .ui-dialog-titlebar
{
background:#00433c !important;
color:white !important;
}
.testclass .ui-dialog
{
top:50px !important;
}
.testclass .ui-dialog-title
{
color:white !important;
font-family: ‘Helvetica Neue’,’Segoe UI’,Helvetica,Arial,sans-serif !important;
margin-left:10px !important;
}
.testclass .body-content
{
/* Blur and de-color */
-webkit-filter: blur(5px) grayscale(50%);
/* Recede */
-webkit-transform: scale(0.9);
}
.testclass .ui-dialog-content
{
overflow:hidden !important;
font-family: ‘Helvetica Neue’,’Segoe UI’,Helvetica,Arial,sans-serif !important;
font-size:14px !important;
margin-top:12px !important;
margin-left:10px !important;
}
Output:
Summary: This post explains about blank Row Restriction in Oracle APEX
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