Current File : //var/www/pn/wp-content/plugins/wysija-newsletters/js/jquery/jquery.matchColumn.js
(function($) {
$.fn.matchColumn = function(options) {
var settings = $.extend({
showAlert: false,
alertMessage: '',
showConfirmation: false,
confirmationMessage:'',
defaultValue: 'nomatch',
beforeResetColumn: function(currentValue, obj){},
beforeChange: function(currentValue, obj){}
}, options);
var previousValue;
/**
* List of dom elements which are in scope
*/
var objects = new Array();
this.each(function() {
objects.push(this);
});
/**
* reset Columns which were matched previously with a same value
* @param {dom} currentObject current dom
* @param {boolean} onInit is invoked on load?
*/
var resetColumns = function(currentObject, onInit) {
if (typeof onInit === undefined) {
onInit = false;
}
isMatchedColumn = false;// if there is at least 1 column matched with a same filed
for (i = 0; i < objects.length; i++) {
if (
!isMatchedColumn
&& $(currentObject).val() !== settings.defaultValue
&& !$(objects[i]).is(currentObject)
&& $(objects[i]).val() === $(currentObject).val()
) {
isMatchedColumn = true;
}
}
if (isMatchedColumn) {
if (
!onInit
&& settings.showConfirmation
&& typeof settings.confirmationMessage !== undefined
&& settings.confirmationMessage !== ''
&& settings.defaultValue !== undefined) {// if we want to show a confirmation message
yes = confirm(settings.confirmationMessage);
if (!yes) {// if users do not want to make changes
$(currentObject).val($(currentObject).data('lastValue'));
return;
}
}
else if (// if we want to show an alert instead and stop
!onInit
&& settings.showAlert
&& typeof settings.alertMessage !== undefined
&& settings.alertMessage !== ''
&& settings.defaultValue !== undefined) {
alert(settings.alertMessage);
}
// once jumping here, it's clear to proceed with changes
for (i = 0; i < objects.length; i++) {
if (
!$(objects[i]).is(currentObject)
&& $(currentObject).val() !== settings.defaultValue
&& $(objects[i]).val() === $(currentObject).val()
) {
if (typeof settings.beforeResetColumn === 'function') {
settings.beforeResetColumn($(objects[i]).val(), objects[i]);
}
$(objects[i]).val(settings.defaultValue).data('lastValue',settings.defaultValue);
// start something here!
}
}
}
};
this.each(function() {
previousValue = $(this).val();
resetColumns(this, true);
$(this).data('lastValue',$(this).val());
});
$(this)
.change(function() {
resetColumns(this);
if (typeof settings.beforeChange === 'function') {
settings.beforeChange($(this).data('lastValue'), this);
}
$(this).data('lastValue',$(this).val());
});
return this;
};
}(jQuery));
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