// name: tofslaForms
// version: 1.1
// copyright: Andrew Krook (2010)
// mailto: jakarta555@gmail.com

var please_StyleSelects = true;
var please_StyleCheckboxes = true;
var please_StyleRadios = true;

var please_CalculateSelectsWidth = false;

var formControls = {

    "input:radio": [

		 { "nodeType": "container", // sibling, container, child, empty string
		     "siblingPosition": "", // before, after, empty string
		     "nodeTagName": "span",
		     "nodeClass": "tfRadioWrapper",
		     "nodeRelativeTo": "control"
		 },

		 { "nodeType": "sibling",
		     "siblingPosition": "before",
		     "nodeTagName": "a",
		     "nodeClass": "tfRadio",
		     "nodeRelativeTo": "control",
		     "additionalExec": "polishRadio()",
		     "attachEventListener": "listenRadio()"
		 }

	],


    "input:checkbox": [

		 { "nodeType": "container",
		     "siblingPosition": "",
		     "nodeTagName": "span",
		     "nodeClass": "tfCheckboxWrapper",
		     "nodeRelativeTo": "control"
		 },

		 { "nodeType": "sibling",
		     "siblingPosition": "before",
		     "nodeTagName": "a",
		     "nodeClass": "tfCheckbox",
		     "nodeRelativeTo": "control",
		     "additionalExec": "polishCheckbox()",
		     "attachEventListener": "listenCheckbox()"
		 }

	],

    "select": [

		 { "nodeType": "container",
		     "siblingPosition": "",
		     "nodeTagName": "div",
		     "nodeClass": "tfSelectWrapper",
		     "nodeRelativeTo": "control"
		 },

		 { "nodeType": "child",
		     "siblingPosition": "",
		     "nodeTagName": "div",
		     "nodeClass": "",
		     "nodeRelativeTo": "previous"
		 },

		 { "nodeType": "child",
		     "siblingPosition": "",
		     "nodeTagName": "span",
		     "nodeClass": "",
		     "nodeRelativeTo": "previous"
		 },

		 { "nodeType": "sibling",
		     "siblingPosition": "after",
		     "nodeTagName": "a",
		     "nodeClass": "tfSelectOpen",
		     "nodeRelativeTo": "previous"
		 },

		 { "nodeType": "sibling",
		     "siblingPosition": "before",
		     "nodeTagName": "ul",
		     "nodeClass": "",
		     "nodeRelativeTo": "control",
		     "additionalExec": "polishSelect()",
		     "attachEventListener": "listenSelect()"
		 }
	]

};


//Executes the function when the DOM is ready to be used.
$(function () {
    // Document is ready
    TofslaFormsStart();
});


function TofslaFormsStart(boxToUpdate) {

    if (please_StyleRadios == true)
        StyleControls('input:radio');

    if (please_StyleCheckboxes == true)
        StyleControls('input:checkbox');

    if (please_StyleSelects == true)
        StyleControls("select");

    UpdateDisabledState();
    UpdateCheckedStateAndChoice();
    listenResets();
    decorateButtons();

    if(typeof (boxToUpdate) != 'undefined') {
        $(boxToUpdate).css('visibility', 'visible');
    }
}


var g_previouslyAddedNode;
var g_currentControl;

function StyleControls(controlToFind) {
    var controlName;
    if (formControls[controlToFind][0].hasAlias == "yes") {
        controlName = formControls[controlToFind][0].aliasName;
    }
    else
        controlName = controlToFind;

    var iterateTill;

    $(controlToFind).each(function (index, control) {
        iterateTill = formControls[controlName].length;
        if (controlToFind == 'select') {
            if (control.getAttribute('multiple'))
                iterateTill = 0;
        }

        for (var i = 0; i < iterateTill; i++) {
            if (IsStylingAllowed($(control))) {
                g_currentControl = $(control);
                var nodeTagName = formControls[controlName][i].nodeTagName;
                var nodeClass = formControls[controlName][i].nodeClass;
                var nodeHTML;

                if (nodeClass == "")
                    nodeHTML = '<' + nodeTagName + '></' + nodeTagName + '>';
                else
                    nodeHTML = '<' + nodeTagName + ' class="' + nodeClass + '"></' + nodeTagName + '>';

                var nodeToManipulate;

                if (formControls[controlName][i].nodeRelativeTo == 'control')
                    nodeToManipulate = $(control);
                else {
                    nodeToManipulate = $(g_previouslyAddedNode);
                }

                if (formControls[controlName][i].nodeType == 'container') {
                    nodeToManipulate.wrap(nodeHTML);
                    g_previouslyAddedNode = nodeToManipulate.parent();
                }

                if (formControls[controlName][i].nodeType == 'sibling') {
                    if (formControls[controlName][i].siblingPosition == 'before') {
                        nodeToManipulate.before(nodeHTML);
                        g_previouslyAddedNode = nodeToManipulate.prev();
                    }

                    if (formControls[controlName][i].siblingPosition == 'after') {
                        nodeToManipulate.after(nodeHTML);
                        g_previouslyAddedNode = nodeToManipulate.next();
                    }
                }

                if (formControls[controlName][i].nodeType == 'child') {
                    nodeToManipulate.prepend(nodeHTML);
                    g_previouslyAddedNode = nodeToManipulate.children()[0];
                }


                if (i == 0) {
                    if (controlName.indexOf('button') == -1) {
                        $(g_previouslyAddedNode).addClass("tofslaControl");
                    }
                    else
                        $(control).addClass("tofslaControl");
                }


                var originalControl;

                if (controlToFind != controlName)
                    originalControl = formControls[controlToFind][0];
                else
                    originalControl = formControls[controlName][i];

                if (originalControl.additionalExec) {
                    var additionalExec = new Function(originalControl.additionalExec);
                    additionalExec();
                }


                if (originalControl.attachEventListener) {
                    var attachEventListener = new Function(originalControl.attachEventListener);
                    attachEventListener();
                }


                if (originalControl.decorativeClassesAttach) {
                    var decorativeClassesAttach = new Function(originalControl.decorativeClassesAttach);
                    decorativeClassesAttach();
                }


            } //end if

        } //end for

        $(control).addClass("tofslaApplied");

    }); //end each

}

function IsStylingAllowed(control) {
    if ((control.hasClass('tofslaApplied') == false) && (control.css('display') != 'none') && (control.hasClass('dontTofsla') == false))
        return true;

    return false;
}

var g_SelectIndex = 0;
/********************************/
/* POLISHES */
/********************************/
function polishSelect() {
    var optionsHTML = '';

    RemCurrentSelectWidth();
    g_currentControl.addClass('tfHidden');
    $(g_currentControl[0].parentNode).css('zIndex', 100 - g_SelectIndex);
    g_SelectIndex++;


    $('option', g_currentControl).each(function (index, node) {
        optionsHTML = optionsHTML + '<li><a href="#" index="' + index + '">' + $(node).html() + '</a></li>';
    });

    var ul = $('ul', g_currentControl.parent())[0];
    $(ul).prepend($(optionsHTML));
    $(ul).css('display', 'none');

    if (please_CalculateSelectsWidth == true)
        setSelectsCalculatedWidth();

}

function polishRadio() {
    var currentControl = g_currentControl[0];
    var previouslyAddedNode = g_previouslyAddedNode[0];

    previouslyAddedNode.setAttribute('rel', currentControl.name)
}

function polishCheckbox() {
    var currentControl = g_currentControl[0];
}

function RemCurrentSelectWidth() {
    var currentControl = g_currentControl[0];
    RemCurrentSelectWidth.width = currentControl.offsetWidth;
    if (RemCurrentSelectWidth.width == 0) { //equal to 0 when the the form it belongs to is not visible
        RemCurrentSelectWidth.width = parseInt(currentControl.css('width'));

        if (RemCurrentSelectWidth.width == 0) {
            RemCurrentSelectWidth.width = 100; //let it be 100 px wide by default
        }
    }

}

function setSelectsCalculatedWidth() {
    var currentControl = g_currentControl[0];
    var mainWrapper = currentControl.parentNode;

    var selectSpan = mainWrapper.childNodes[0].childNodes[0]; // <span>
    var SelectAwidth = parseInt($(mainWrapper.childNodes[0].childNodes[1]).css('width')); // <a>
    var SelectSpanWidth = RemCurrentSelectWidth.width - SelectAwidth - getHorizontalBorderPadding(selectSpan);

    $(mainWrapper).css('width', RemCurrentSelectWidth.width + 'px');
    $(selectSpan).css('width', SelectSpanWidth + 'px');

    var ul = $('ul', mainWrapper);
    ul.css('width', RemCurrentSelectWidth.width - getHorizontalBorderPadding(ul) + 'px');
}


function getHorizontalBorderPadding(node) {
    node = $(node);

    var HorizontalBorderPadding;
    var bordL, bordR, padL, padR;
    bordL = 0; bordR = 0; padL = 0; padR = 0;

    var pattern = /[0-9]+/;

    if (IEversion() > -1) {//this is an IE
        if (pattern.test(parseInt(node.css('border-left-width')))) {
            bordL = parseInt(node.css('border-left-width'));
        }
        if (pattern.test(parseInt(node.css('border-right-width')))) {
            bordR = parseInt(node.css('border-right-width'));
        }
        if (pattern.test(parseInt(node.css('padding-left')))) {
            padL = parseInt(node.css('padding-left'));
        }
        if (pattern.test(parseInt(node.css('padding-right')))) {
            padR = parseInt(node.css('padding-right'));
        }

        HorizontalBorderPadding = bordL + bordR + padL + padR;
    }
    else {
        HorizontalBorderPadding = parseInt(node.css('border-left-width')) + parseInt(node.css('border-right-width')) + parseInt(node.css('padding-left')) + parseInt(node.css('padding-right'));
    }

    return HorizontalBorderPadding;

}

function UpdateDisabledState() {
    $('.tofslaControl').each(function (index, node) {
        if (node.tagName.toLowerCase() != "button") {
            if ($('.tofslaApplied', node)[0].disabled)
                $(node).addClass('tfDisabled');
            else
                $(node.parentNode).removeClass('tfDisabled');
        }
        else {
            if (node.disabled)
                $(node).addClass('tfDisabled');
            else
                $(node).removeClass('tfDisabled');
        }
    });
}


function UpdateCheckedStateAndChoice() {
    if (please_StyleSelects == true) resetSelects();
    if (please_StyleCheckboxes == true) resetCheckboxes();
    if (please_StyleRadios == true) resetRadios();
}


function resetCheckboxes() {
    $('.tfCheckboxWrapper').each(function (index, node) {
        var a = node.childNodes[0];
        var input = node.childNodes[1];

        $(a).removeClass('tfChecked');

        if (input.checked)
            $(a).addClass('tfChecked');
    });
}


function resetRadios() {
    $('.tfRadioWrapper').each(function (index, node) {
        var a = node.childNodes[0];
        var input = node.childNodes[1];

        $(a).removeClass('tfChecked');
        $(input).removeClass('tfChecked');

        if (input.checked)
            $(a).addClass('tfChecked');
    });
}


function resetSelects() {
    var seLect, selIndex, ul, selectLink;

    $('.tfSelectWrapper').each(function (index, node) {
        seLect = node.childNodes[2];

        if (!seLect.getAttribute('multiple')) {
            selIndex = (seLect.selectedIndex < 0) ? 0 : seLect.selectedIndex;
            ul = node.childNodes[1];
            selectLink = $('a[index="' + selIndex + '"]', ul)[0];
            handleSelectsClick(node, selectLink, seLect, ul);
        }
    });
}


function handleSelectsClick(wrapper, thisLink, seLect, ul) {
    if (!thisLink) { // no select options
        return;
    }

    $('span', wrapper)[0].innerHTML = thisLink.innerHTML;

    $('a.selected', wrapper).each(function (i, linky) {
        $(linky).removeClass('selected');
    });

    $(thisLink).addClass('selected');

    $(ul).hide();

    if (seLect.selectedIndex != thisLink.getAttribute('index')) {
        seLect.selectedIndex = thisLink.getAttribute('index');

        if (IEversion() > -1) {
            var evt = document.createEventObject();
            seLect.fireEvent('onchange', evt)
        }
        else {
            var evt = document.createEvent('HTMLEvents');
            evt.initEvent('change', 'true', 'false');
            seLect.dispatchEvent(evt);
        }
    }
}


function listenCheckbox() {
    var a = g_previouslyAddedNode;
    var checkbox = g_currentControl;

    a.bind("mousedown", function (event) {
        this.nextSibling.click();
    });

    checkbox.bind('click', function (event) {
        changeVisualCheck(this);
    });

    var changeVisualCheck = function (check) {
        if (!check.disabled) {
            if (check.checked) {
                $(check.previousSibling).addClass('tfChecked');
            }
            else {
                $(check.previousSibling).removeClass('tfChecked');
            }
        }
    };

}

function listenRadio() {
    var radio = g_currentControl;
    var a = g_previouslyAddedNode;

    a.bind("mousedown", function (event) {
        this.nextSibling.click();
    });


    radio.bind('click', function (event) {
        changeVisualRadio(this)
    });

    var changeVisualRadio = function (rd) {
        if (!rd.disabled) {
            /* uncheck all others with the same name */
            $('a[rel="' + rd.getAttribute('name') + '"]').each(function (index, node) {
                $(node).removeClass('tfChecked');
            });
            $(rd.previousSibling).addClass('tfChecked');
        }
    };
}

function listenResets() {
    $('button:reset').each(function (index, node) {
        if ($(node).hasClass('tofslaApplied') && $(node).hasClass('addResetListener')) {
            $(node).removeClass('addResetListener');
            $(node).bind("click", function (event) {
                var action = function () { UpdateCheckedStateAndChoice(); };
                window.setTimeout(action, 100);
            });
        }
    });
}

listenSelect.isDocumentListeningEnabled = false;
function listenSelect() {
    var seLect = g_currentControl[0];
    var ul = g_previouslyAddedNode[0];
    var wrapper = g_currentControl[0].parentNode;

    /* Hide the ul and add click handler to the a */
    $('a', ul).each(function (i, linky) {

        $(linky).bind('mousedown', function (event) {
            handleSelectsClick(wrapper, this, seLect, ul);
        });


        if (IEversion() > -1) // IE
        {
            $(linky).bind('mouseover', function (event) {
                $(linky).addClass('hover');
            });

            $(linky).bind('mouseout', function (event) {
                $(linky).removeClass('hover');
            });
        }

        $(linky).click(function () {
            return false;
        });

    });

    /* Set the defalut */
    var Link = $('a[index="' + seLect.selectedIndex + '"]', ul)[0];

    handleSelectsClick(wrapper, Link, seLect, ul);

    /* Apply the click handler to the Open */
    $($('a.tfSelectOpen', wrapper)[0]).bind('mousedown', function (event) {
        if (!seLect.disabled) {
            openOrCloseSelect(wrapper, ul);
        }
    });

    /* Apply one more click handler to the Open */
    $($('div span', wrapper)[0]).bind('mousedown', function (event) {
        if (!seLect.disabled)
            openOrCloseSelect(wrapper, ul);

    });

    /* Close Or Open Select */
    var openOrCloseSelect = function (selectWrapper, uL) {

        if ($(uL).css('display') == 'block')
            $(uL).css('display', 'none');
        else {
            $(uL).css('display', 'block');
            hideAllOpenSelects(selectWrapper);
        }

    };

    /* Hide all open selects */
    var hideAllOpenSelects = function (nodeToLeaveOpen) {
        $('.tfSelectWrapper').each(function (index, node) {
            var ulInQuestion = $('ul', node)[0];
            if (($(ulInQuestion).css('display') == 'block') && (node != nodeToLeaveOpen)) {
                $(ulInQuestion).hide();
            }
        });
    };

    /* Check for an external click */
    var checkExternalClick = function (target) {

        var parents = $(target).parents();
        var isChildOfStyledSelect = false;

        parents.each(function (index, node) {
            if ($(node).hasClass('tfSelectWrapper'))
                isChildOfStyledSelect = true;
        });

        if (isChildOfStyledSelect == false)
            hideAllOpenSelects(document);

    };


    if (!listenSelect.isDocumentListeningEnabled) {
        /* Apply document listener */
        $(document).bind("mousedown", function (event) {
            checkExternalClick(event.target);
        });

        listenSelect.isDocumentListeningEnabled = true;

    }

}


function decorateTexts() {
    var nodeToDecorate = $(g_currentControl[0]);

    nodeToDecorate.bind("focus", function (event) {
        $(nodeToDecorate.parents('.tofslaControl')[0]).addClass('tfFocus');
    });

    nodeToDecorate.bind("blur", function (event) {
        $(nodeToDecorate.parents('.tofslaControl')[0]).removeClass('tfFocus');
    });
}


function decorateButtons() {
    $('button').each(function (index, node) {
        if ($(node).hasClass('tofslaApplied') && $(node).hasClass('addDecorateButton')) {
            $(node).bind("mouseenter", function (event) {
                $(this).addClass('tfHover');
            });

            $(node).bind("mouseleave", function (event) {
                $(this).removeClass('tfHover');
            });

            $(node).bind("mousedown", function (event) {
                $(this).addClass('tfActive');
            });

            $(node).bind("mouseup", function (event) {
                $(this).removeClass('tfActive');
            });

            $(node).removeClass('addDecorateButton');
        }
    });
}


function IEversion() {
    var version = navigator.appVersion;
    if (version.indexOf("MSIE") != -1) {
        var startCut = version.indexOf("MSIE") + 5;
        var endCut = startCut + 1;
        return version.substring(startCut, endCut);
    }
    else
        return -1;
}