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form.js: Only track real value changes and reset upon reverts

This commit is contained in:
Johannes Meyer 2020-07-27 15:01:06 +02:00
parent ca74e14812
commit 6197d5f0af
1 changed files with 28 additions and 45 deletions
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73
public/js/icinga/behavior/form.js
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@ -11,37 +11,26 @@
var Form = function (icinga) {
Icinga.EventListener.call(this, icinga);
this.on('keyup change', 'form input', this.onChange, this);
this.on('rendered', '.container', this.onRendered, this);
// store the modification state of all input fields
this.inputs = {};
this.inputs = new WeakMap();
};
Form.prototype = new Icinga.EventListener();
/**
* @param evt
* @param event
*/
Form.prototype.onChange = function (evt) {
var el = evt.target;
var form = evt.data.self.uniqueFormName($(el).closest('form')[0] || {});
evt.data.self.inputs[form] = evt.data.self.inputs[form] || {};
if (el.value !== '') {
evt.data.self.inputs[form][el.name] = true;
} else {
evt.data.self.inputs[form][el.name] = false;
}
};
Form.prototype.onRendered = function (event) {
var _this = event.data.self;
var container = event.target;
/**
* Try to generate an unique form name using the action
* and the name of the given form element
*
* @param form {HTMLFormElement} The
* @returns {String} The unique name
*/
Form.prototype.uniqueFormName = function(form)
{
return (form.name || 'undefined') + '.' + (form.action || 'undefined');
container.querySelectorAll('form input').forEach(function (input) {
if (! _this.inputs.has(input) && input.type !== 'hidden') {
_this.inputs.set(input, input.value);
_this.icinga.logger.debug('registering "' + input.value + '" as original input value');
}
});
};
/**
@ -68,43 +57,37 @@
return content;
}
var origFocus = document.activeElement;
var containerId = $container.attr('id');
var icinga = this.icinga;
var _this = this.icinga.behaviors.form;
if (! autorefresh) {
return content;
}
var _this = this;
var changed = false;
$container.find('form').each(function () {
var form = _this.uniqueFormName(this);
if (autorefresh) {
// check if an element in this container was changed
$(this).find('input').each(function () {
var name = this.name;
if (_this.inputs[form] && _this.inputs[form][name]) {
icinga.logger.debug(
'form input: ' + form + '.' + name + ' was changed and aborts reload...'
);
changed = true;
}
});
} else {
// user-triggered reload, forget all changes to forms in this container
_this.inputs[form] = null;
$container[0].querySelectorAll('form input').forEach(function (input) {
if (_this.inputs.has(input) && _this.inputs.get(input) !== input.value) {
changed = true;
_this.icinga.logger.debug(
'"' + _this.inputs.get(input) + '" was changed ("' + input.value + '") and aborts reload...'
);
}
});
if (changed) {
return null;
}
var origFocus = document.activeElement;
var containerId = $container.attr('id');
if ($container.has(origFocus).length
&& autorefresh
&& $(origFocus).length
&& ! $(origFocus).hasClass('autofocus')
&& ! $(origFocus).hasClass('autosubmit')
&& $(origFocus).closest('form').length
&& $(origFocus).not(':input[type=button], :input[type=submit], :input[type=reset]').length
) {
icinga.logger.debug('Not changing content for ' + containerId + ' form has focus');
this.icinga.logger.debug('Not changing content for ' + containerId + ' form has focus');
return null;
}
return content;
};