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added getFormValue method which accepts an HTML element or id and returns the value of the field regardless of it's type

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This commit is contained in:
Frank Dillon 2008-09-22 22:24:32 +00:00
parent f17c6f75e8
commit 9a6171c09c
1 changed files with 85 additions and 40 deletions
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125
www/extras/yui-webgui/build/form/form.js vendored
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@ -7,50 +7,10 @@ if (typeof WebGUI.Form == "undefined") {
WebGUI.Form = {};
}
/**
* This object contains generic form modification functions
*/
/****************************************************************************
* WebGUI.Form.toggleAllCheckboxesInForm ( formElement [, checkboxesName] )
* Toggles all the checkboxes in the form, optionally limited by name.
* Will automatically set them all to "checked" the first time
*/
WebGUI.Form.toggleAllCheckboxesInForm
= function (formElement, checkboxesName) {
// Get the state to set
var oldState = WebGUI.Form.toggleAllCheckboxesState[formElement+checkboxesName]
var state = oldState ? "" : "checked";
for (var i = 0; i < formElement.elements.length; i++) {
var input = formElement.elements[i];
if (!/^check/.test(input.type))
continue;
if (checkboxesName && input.name != checkboxesName)
continue;
// Change the state
input.checked = state;
// Run the appropriate scripts
if ( input.onchange )
input.onchange();
}
// Update the saved state
WebGUI.Form.toggleAllCheckboxesState[formElement+checkboxesName] = state;
};
/*
* WebGUI.Form.toggleAllCheckboxesState
* An object containing a hash of <formname>+<checkboxesName> : 0|1 to save
* the state of the toggled checkboxes. You can use this to set what the
* first run of toggleAllCheckboxesInForm will do.
*/
WebGUI.Form.toggleAllCheckboxesState = {};
/***********************************************************************************
* @description This method assembles the form label and value pairs and
* constructs an encoded string.
@ -136,3 +96,88 @@ WebGUI.Form.buildQueryString = function ( formId, excludes ) {
return sFormData;
};
/***********************************************************************************
* @description This method gets the proper value of the form element passed in
* @method getFormValue
* @public
* @static
* @param {string || object} id or object of the form element to get the value of.
*/
WebGUI.Form.getFormValue = function ( oElement ) {
if(typeof oElement != 'object') oElement = document.getElementById(oElement);
var oType = oElement.type;
var oValue = "";
switch(oType) {
case 'select-one':
case 'select-multiple':
for(var i=0; i<oElement.options.length; i++){
if(oElement.options[i].selected){
if(window.ActiveXObject){
oValue = oElement.options[i].attributes['value'].specified?oElement.options[i].value:oElement.options[i].text;
}
else{
oValue = oElement.options[i].hasAttribute('value')?oElement.options[i].value:oElement.options[i].text;
}
}
}
break;
case 'radio':
case 'checkbox':
var form = oElement.form;
var elem = null;
for(var i = 0; i < form.length; i++) {
if(form.elements[i].checked == true) {
oValue = form.elements[i].value;
}
}
break;
default:
oValue = oElement.value;
}
return oValue;
};
/****************************************************************************
* WebGUI.Form.toggleAllCheckboxesInForm ( formElement [, checkboxesName] )
* Toggles all the checkboxes in the form, optionally limited by name.
* Will automatically set them all to "checked" the first time
*/
WebGUI.Form.toggleAllCheckboxesInForm
= function (formElement, checkboxesName) {
// Get the state to set
var oldState = WebGUI.Form.toggleAllCheckboxesState[formElement+checkboxesName]
var state = oldState ? "" : "checked";
for (var i = 0; i < formElement.elements.length; i++) {
var input = formElement.elements[i];
if (!/^check/.test(input.type))
continue;
if (checkboxesName && input.name != checkboxesName)
continue;
// Change the state
input.checked = state;
// Run the appropriate scripts
if ( input.onchange )
input.onchange();
}
// Update the saved state
WebGUI.Form.toggleAllCheckboxesState[formElement+checkboxesName] = state;
};
/*
* WebGUI.Form.toggleAllCheckboxesState
* An object containing a hash of <formname>+<checkboxesName> : 0|1 to save
* the state of the toggled checkboxes. You can use this to set what the
* first run of toggleAllCheckboxesInForm will do.
*/
WebGUI.Form.toggleAllCheckboxesState = {};