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jquery.bootstrap-form-builder.js
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(function($) {
$.fn.bootstrapForm = function( defaults ) {
var settings = $.extend({
formInputs: [],
buttons: [],
align: 'block'
}, defaults ),
addNameAndID = function( formElement ) {
//for radio buttons, if a ID doesnt exist it will replace it with a random value,
//if a name doesnt exist, it will replace all of the grouped buttons with the same
//random value
if ( formElement.type === 'radio' ) {
var nameExists = doesKeyExist( formElement.attr.radios[0], 'name'),
IDexists = doesKeyExist( formElement.attr.radios[0], 'id'),
radioName = 'radio' + getRandomNumber();
if (!nameExists) {
formElement.attr.forEach( function( radio ) {
radio.name = radioName;
});
}
else if (!IDexists) {
formElement.attr.forEach( function( radio ) {
var newID = 'radio' + getRandomNumber();
radio.id = newID;
});
}
return formElement.attr;
}
else {
//for all other elements, if there was no name given, it will look for an ID
//if there is an ID, that ID because the elements name; if the name is present, but there is no
//ID then the name will be used. If neither is present, a single random will be generated for
//the name/ID
var nameExists = doesKeyExist( formElement.attr, 'name'),
IDexists = doesKeyExist( formElement.attr, 'id' );
if (!nameExists && !IDexists) {
var newNameAndID = formElement.type + getRandomNumber();
//assigning a random name to each element if a name is not given
formElement.attr.name = newNameAndID;
formElement.attr.id = newNameAndID;
}
else if (!nameExists) {
formElement.attr.name = formElement.attr.id;
}
else if (!IDexists) {
formElement.attr.id = formElement.attr.name;
}
}
return formElement.attr;
},
getRandomNumber = function() {
return Math.floor( Math.random() * 99 );
},
compileHTMLinsert = function() {
var HTMLinsert = "";
settings.formInputs.forEach( function( formElement, index ) {
var adjustedFormElement = addNameAndID( formElement );
switch ( formElement.type ) {
case 'radio':
HTMLinsert+= getRadioButtons( adjustedFormElement );
break;
case 'select':
HTMLinsert+= getSelect( adjustedFormElement, 'select' );
break;
case 'multiple':
HTMLinsert+= getSelect( adjustedFormElement );
break;
case 'checkbox':
HTMLinsert+= getCheckBoxes( adjustedFormElement );
break;
case 'file':
HTMLinsert+= getFileInput( adjustedFormElement );
break;
case 'textarea':
HTMLinsert+= getTextArea( adjustedFormElement );
break;
default:
HTMLinsert+= getTextInput( adjustedFormElement, formElement.type );
}
});
return HTMLinsert;
},
getButtons = function( buttonAttr ) {
var buttonHTML = '<div class="row">',
endTag = "</div>"
buttonAttr.forEach( function( button ) {
var validationState = ( doesKeyExist( button, 'validationState' ) ) ? button.validationState : 'success',
buttonID = ( doesKeyExist( button, 'id') ) ? button.id : 'button' + getRandomNumber();
buttonText = ( doesKeyExist( button, 'text' ) ) ? button.text : 'Submit';
buttonHTML += '<button id="' + buttonID + '"class="btn btn-' + validationState + ' btn-' + ( button.size || 'lg' ) + '">' + buttonText + '</button>';
if (button.onSubmit) {
$(document).on('click', '#' + buttonID, function(e) {
e.preventDefault();
var formValues = $('#' + e.target.id ).closest('form').serializeArray();
button.onSubmit( formValues )
});
}
});
return buttonHTML + endTag;
},
getPlaceHolder = function( attr ) {
return ( doesKeyExist( attr, 'placeholder' ) ) ? ' placeholder="' + attr.placeholder : '';
},
doesKeyExist = function( object, key ){
return Object.keys( object ).indexOf(key) !== -1;
},
getBootStrapValidationState = function( attr ) {
return ( doesKeyExist( attr, 'validationState' ) ) ? ' has-' + attr.validationState : '';
},
getHelpBlock = function( attr ) {
return ( doesKeyExist( attr, 'helpblock') ) ? '<p class="help-block">' + attr.helpblock + "</p>" : "";
},
getTextInput = function( attr, type ) {
attr = attr || {};
var formGroup = '<div class="form-group ' + getBootStrapValidationState( attr ) + '">',
label = '<label>' + attr.label + '</label>',
textInput = '<input name="' + attr.name + '" type=' + type + ' class="form-control"' + getPlaceHolder( attr ) + '" id="' + attr.id + '" />',
endTag = getHelpBlock( attr) + '</div>',
completedElement = ( attr.label ) ? formGroup + label + textInput + endTag : formGroup + textInput + endTag;
return completedElement;
},
getRadioButtons = function( attr ) {
var radioHTML = (attr.label) ? '<label>' + attr.label +'</label>': '',
helpblock = getHelpBlock( attr ),
endTag = helpblock + '</div>'
attr.radios.forEach( function( radio ) {
radioHTML+= '<div class="radio"><label><input type="radio" id="' + radio.id + '" name="' + radio.name + '">'+ radio.label + '</label>';
});
return radioHTML + endTag;
},
getCheckBoxes = function( attr ) {
var checkHTML = (attr.label) ? '<label>' + attr.label +'</label>': '',
helpblock = getHelpBlock( attr ),
endTag = helpblock + '</div>'
attr.checkboxes.forEach( function( checkbox ) {
checkHTML+= '<div class="checkbox"><label><input name="' + checkbox.name + '" type="checkbox" id="' + checkbox.id + '" name="' + checkbox.name + '">'+ checkbox.label + '</label>';
});
return checkHTML + endTag;
},
createOptions = function( attr ) {
var HTMLoptions = '';
attr.options.forEach( function( option ) {
HTMLoptions+= '<option>' + option.text +'</option>';
});
return HTMLoptions;
},
getSelect = function( attr, type ) {
var inputType = ( type ) ? "select" : "select multiple",
formGroup = '<div class="form-group">',
label = '<label>' + attr.label + '</label>',
selectInput = '<' + inputType + ' name="' + attr.name + '" class="form-control"' + getPlaceHolder( attr ) + '" id="' + attr.id + '">',
options = createOptions( attr ),
endTag = options + '</select>' + getHelpBlock( attr) + '</div>',
completedElement = ( attr.label ) ? formGroup + label + selectInput + endTag : formGroup + selectInput + endTag;
return completedElement;
},
getFileInput = function( attr ) {
var formGroup = '<div class="form-group">',
label = '<label>' + attr.label + '</label>',
fileInput = '<input name="' + attr.name + '"type="file" class="form-control" id="' + attr.id + '" />',
endTag = getHelpBlock( attr) + '</div>',
completedElement = ( attr.label ) ? formGroup + label + fileInput + endTag : formGroup + fileInput + endTag;
return completedElement;
},
getTextArea = function( attr ) {
var formGroup = '<div class="form-group">',
label = '<label>' + attr.label + '</label>',
rows = ( doesKeyExist( attr, 'rows') ) ? attr.rows : '3',
textInput = '<textarea name="' + attr.name + '"class="form-control" id="' + attr.id + '" rows="' + rows + '">',
endTag = '</textarea>' + getHelpBlock( attr ) + '</div>',
completedElement = ( attr.label ) ? formGroup + label + textInput + endTag : formGroup + textInput + endTag;
return completedElement;
};
return this.each( function() {
var $this = $(this),
HTMLstart = ( settings.align !== 'inline') ? '<form role="form">' : '<form role="form" class="form-inline">',
HTMLend = '</form>',
buttons = getButtons( settings.buttons ),
HTMLinsert = compileHTMLinsert() + buttons;
$this.append( HTMLstart + HTMLinsert + HTMLend);
});
};
})(jQuery);