/*
 *
 * jqTransform
 * by mathieu vilaplana mvilaplana@dfc-e.com
 * Designer ghyslain armand garmand@dfc-e.com
 *
 *
 * Version 1.0 25.09.08
 * Version 1.1 06.08.09
 * Add event click on Checkbox and Radio
 * Auto calculate the size of a select element
 * Can now, disabled the elements
 * Correct bug in ff if click on select (overflow=hidden)
 * No need any more preloading !!
 * 
 ******************************************** */
 
(function($) {
    var defaultOptions = { preloadImg: true };
    var jqTransformImgPreloaded = false;

    var jqTransformPreloadHoverFocusImg = function(strImgUrl) {
        //guillemets to remove for ie
        strImgUrl = strImgUrl.replace(/^url\((.*)\)/, '$1').replace(/^\"(.*)\"$/, '$1');
        var imgHover = new Image();
        imgHover.src = strImgUrl.replace(/\.([a-zA-Z]*)$/, '-hover.$1');
        var imgFocus = new Image();
        imgFocus.src = strImgUrl.replace(/\.([a-zA-Z]*)$/, '-focus.$1');
    };


    /***************************
    Labels
    ***************************/
    var jqTransformGetLabel = function(objfield) {
        var selfForm = $(objfield.get(0).form);
        var oLabel = objfield.next();
        if (!oLabel.is('label')) {
            oLabel = objfield.prev();
            if (oLabel.is('label')) {
                var inputname = objfield.attr('id');
                if (inputname) {
                    oLabel = selfForm.find('label[for="' + inputname + '"]');
                }
            }
        }
        if (oLabel.is('label')) { return oLabel.css('cursor', 'pointer'); }
        return false;
    };

    /* Hide all open selects */
    var jqTransformHideSelect = function(oTarget) {
        var ulVisible = $('.jqTransformSelectWrapper ul:visible');
        ulVisible.each(function() {
            var oSelect = $(this).parents(".jqTransformSelectWrapper:first").find("select").get(0);
            //do not hide if click on the label object associated to the select
            if (!(oTarget && oSelect.oLabel && oSelect.oLabel.get(0) == oTarget.get(0))) { $(this).hide(); }
        });
    };
    /* Check for an external click */
    var jqTransformCheckExternalClick = function(event) {
        if ($(event.target).parents('.jqTransformSelectWrapper').length === 0) { jqTransformHideSelect($(event.target)); }
    };

    /* Apply document listener */
    var jqTransformAddDocumentListener = function() {
        $(document).mousedown(jqTransformCheckExternalClick);
    };

    /* Add a new handler for the reset action */
    var jqTransformReset = function(f) {
        var sel;
        $('.jqTransformSelectWrapper select', f).each(function() { sel = (this.selectedIndex < 0) ? 0 : this.selectedIndex; $('ul', $(this).parent()).each(function() { $('a:eq(' + sel + ')', this).click(); }); });
        $('a.jqTransformCheckbox, a.jqTransformRadio', f).removeClass('jqTransformChecked');
        $('input:checkbox, input:radio', f).each(function() { if (this.checked) { $('a', $(this).parent()).addClass('jqTransformChecked'); } });
    };

    /***************************
    Buttons
    ***************************/
    $.fn.jqTransInputButton = function() {
        return this.each(function() {
            var newBtn = $('<button id="' + this.id + '" name="' + this.name + '" type="' + this.type + '" class="' + this.className + ' jqTransformButton"><span><span>' + $(this).attr('value') + '</span></span>')
				.hover(function() { newBtn.addClass('jqTransformButton_hover'); }, function() { newBtn.removeClass('jqTransformButton_hover') })
				.mousedown(function() { newBtn.addClass('jqTransformButton_click') })
				.mouseup(function() { newBtn.removeClass('jqTransformButton_click') })
			;
            $(this).replaceWith(newBtn);
        });
    };

    /***************************
    Text Fields 
    ***************************/
    $.fn.jqTransInputText = function() {
        return this.each(function() {
            var $input = $(this);

            if ($input.hasClass('jqtranformdone') || !$input.is('input')) { return; }
            $input.addClass('jqtranformdone');

            var oLabel = jqTransformGetLabel($(this));
            oLabel && oLabel.bind('click', function() { $input.focus(); });

            var inputSize = $input.width();
            if ($input.attr('size')) {
                //inputSize = $input.attr('size')*10;
                //$input.css('width',inputSize);
            }

            //$input.addClass("jqTransformInput").wrap('<div class="jqTransformInputWrapper"><div class="jqTransformInputInner"><div></div></div></div>');
            var $wrapper = $input;
            $wrapper.css("width", inputSize);
            $input
				.focus(function() { $wrapper.addClass("jqTransformInputWrapper_focus"); })
				.blur(function() { $wrapper.removeClass("jqTransformInputWrapper_focus"); })
				.hover(function() { $wrapper.addClass("jqTransformInputWrapper_hover"); }, function() { $wrapper.removeClass("jqTransformInputWrapper_hover"); })
			;

            /* If this is safari we need to add an extra class */
            /*$.browser.safari && $wrapper.addClass('jqTransformSafari');
            $.browser.safari && $input.css('width',$wrapper.width()+16);*/
            this.wrapper = $wrapper;

        });
    };

    /***************************
    Check Boxes 
    ***************************/
    $.fn.jqTransCheckBox = function() {
        return this.each(function() {
            if ($(this).hasClass('jqTransformHidden')) { return; }

            var $input = $(this);
            var inputSelf = this;

            //set the click on the label
            var oLabel = jqTransformGetLabel($input);
            oLabel && oLabel.click(function() { aLink.trigger('click'); });

            var aLink = $('<a href="#" class="jqTransformCheckbox"></a>');
            //wrap and add the link
            $input.addClass('jqTransformHidden').wrap('<span class="jqTransformCheckboxWrapper"></span>').parent().prepend(aLink);
            //on change, change the class of the link
            //            $input.change(function() {
            //            //this.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
            //                if (this.checked)
            //                    aLink.addClass('jqTransformChecked');
            //                else
            //                    aLink.removeClass('jqTransformChecked');
            //                    
            //                return true;
            //            });
            // Click Handler, trigger the click and change event on the input
            aLink.click(function() {
                if ($input.attr("checked"))
                    aLink.removeClass('jqTransformChecked')
                else
                    aLink.addClass('jqTransformChecked');

                //do nothing if the original input is disabled
                if ($input.attr('disabled')) { return false; }
                //trigger the envents on the input object
                //$input.trigger('click').trigger("change");
                $input.trigger('click');

                return false;
            });

            // set the default state
            this.checked && aLink.addClass('jqTransformChecked');
        });
    };
    /***************************
    Radio Buttons 
    ***************************/
    $.fn.jqTransRadio = function() {
        return this.each(function() {
            if ($(this).hasClass('jqTransformHidden')) { return; }

            var $input = $(this);
            var inputSelf = this;

            oLabel = jqTransformGetLabel($input);
            oLabel && oLabel.click(function() { aLink.trigger('click'); });

            var aLink = $('<a href="#" class="jqTransformRadio" rel="' + this.name + '"></a>');
            $input.addClass('jqTransformHidden').wrap('<span class="jqTransformRadioWrapper"></span>').parent().prepend(aLink);

            $input.change(function() {
                inputSelf.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
                return true;
            });
            // Click Handler
            aLink.click(function() {
                if ($input.attr('disabled')) { return false; }
                $input.trigger('click').trigger('change');

                // uncheck all others of same name input radio elements
                $('input[name="' + $input.attr('name') + '"]', inputSelf.form).not($input).each(function() {
                    $(this).attr('type') == 'radio' && $(this).trigger('change');
                });

                return false;
            });
            // set the default state
            inputSelf.checked && aLink.addClass('jqTransformChecked');
        });
    };

    /***************************
    TextArea 
    ***************************/
    $.fn.jqTransTextarea = function() {
        return this.each(function() {
            var textarea = $(this);

            if (textarea.hasClass('jqtransformdone')) { return; }
            textarea.addClass('jqtransformdone');

            oLabel = jqTransformGetLabel(textarea);
            oLabel && oLabel.click(function() { textarea.focus(); });

            var strTable = '<table cellspacing="0" cellpadding="0" border="0" class="jqTransformTextarea">';
            strTable += '<tr><td id="jqTransformTextarea-tl"></td><td id="jqTransformTextarea-tm"></td><td id="jqTransformTextarea-tr"></td></tr>';
            strTable += '<tr><td id="jqTransformTextarea-ml">&nbsp;</td><td id="jqTransformTextarea-mm"><div></div></td><td id="jqTransformTextarea-mr">&nbsp;</td></tr>';
            strTable += '<tr><td id="jqTransformTextarea-bl"></td><td id="jqTransformTextarea-bm"></td><td id="jqTransformTextarea-br"></td></tr>';
            strTable += '</table>';
            var oTable = $(strTable)
					.insertAfter(textarea)
					.hover(function() {
					    !oTable.hasClass('jqTransformTextarea-focus') && oTable.addClass('jqTransformTextarea-hover');
					}, function() {
					    oTable.removeClass('jqTransformTextarea-hover');
					})
				;

            textarea
				.focus(function() { oTable.removeClass('jqTransformTextarea-hover').addClass('jqTransformTextarea-focus'); })
				.blur(function() { oTable.removeClass('jqTransformTextarea-focus'); })
				.appendTo($('#jqTransformTextarea-mm div', oTable))
			;
            this.oTable = oTable;
            if ($.browser.safari) {
                $('#jqTransformTextarea-mm', oTable)
					.addClass('jqTransformSafariTextarea')
					.find('div')
						.css('height', textarea.height())
						.css('width', textarea.width())
				;
            }
        });
    };

    /***************************
    Select 
    ***************************/
    $.fn.jqTransSelect = function() {
        return this.each(function(index) {
            var $select = $(this);

            if ($select.hasClass('jqTransformHidden')) { return; }
            if ($select.attr('multiple')) { return; }

            var oLabel = jqTransformGetLabel($select);
            /* First thing we do is Wrap it */
            var $wrapper = $select
				.addClass('jqTransformHidden')
				.wrap('<div class="jqTransformSelectWrapper"></div>')
				.parent()
            //.css({ zIndex: 10 - index })
			;

            /* Now add the html for the select */
            $wrapper.prepend('<div><span></span><a href="#" class="jqTransformSelectOpen"></a></div><ul></ul>');
            var $ul = $('ul', $wrapper).css('width', /*$select.width()*/69).hide();
            /* Now we add the options */
            $('option', this).each(function(i) {
                var oLi = $('<li><a href="#" index="' + i + '">' + $(this).html() + '</a></li>');
                $ul.append(oLi);
            });

            /* Add click handler to the a */
            $ul.find('a').click(function() {
                $('a.selected', $wrapper).removeClass('selected');
                $(this).addClass('selected');
                $(this).parent().parent().parent().css('z-index', '0');
                /* Fire the onchange event */
                if ($select[0].selectedIndex != $(this).attr('index') && $select[0].onchange) { $select[0].selectedIndex = $(this).attr('index'); $select[0].onchange(); }
                $select[0].selectedIndex = $(this).attr('index');
                $('span:eq(0)', $wrapper).html($(this).html());
                $ul.hide();
                return false;
            });
            /* Set the default */
            $('a:eq(' + this.selectedIndex + ')', $ul).click();
            $('span:first', $wrapper).click(function() { $("a.jqTransformSelectOpen", $wrapper).trigger('click'); });
            oLabel && oLabel.click(function() { $("a.jqTransformSelectOpen", $wrapper).trigger('click'); });
            this.oLabel = oLabel;

            /* Apply the click handler to the Open */
            var oLinkOpen = $('a.jqTransformSelectOpen', $wrapper)
				.click(function() {
				    $(this).parent().parent().css('z-index', '10');
				    //Check if box is already open to still allow toggle, but close all other selects
				    if ($ul.css('display') == 'none') { jqTransformHideSelect(); }
				    if ($select.attr('disabled')) { return false; }

				    $ul.slideToggle('fast', function() {
				        var offSet = ($('a.selected', $ul).offset().top - $ul.offset().top);
				        $ul.animate({ scrollTop: offSet });
				    });
				    return false;
				})
			;

            // Set the new width
            var iSelectWidth = $select.outerWidth();
            var oSpan = $('span:first', $wrapper);
            var newWidth = (iSelectWidth > oSpan.innerWidth()) ? iSelectWidth + oLinkOpen.outerWidth() : $wrapper.width();
            //$wrapper.css('width',newWidth);
            //$ul.css('width', newWidth - 2);
            //oSpan.css({ width: iSelectWidth });

            // Calculate the height if necessary, less elements that the default height
            //show the ul to calculate the block, if ul is not displayed li height value is 0
            $ul.css({ display: 'block', visibility: 'hidden' });
            var iSelectHeight = ($('li', $ul).length) * ($('li:first', $ul).height()); //+1 else bug ff
            (iSelectHeight < $ul.height()) && $ul.css({ height: iSelectHeight, 'overflow': 'hidden' }); //hidden else bug with ff
            $ul.css({ display: 'none', visibility: 'visible' });

        });
    };
    $.fn.jqTransform = function(options) {
        var opt = $.extend({}, defaultOptions, options);

        /* each form */
        return this.each(function() {
            var selfForm = $(this);
            if (selfForm.hasClass('jqtransformdone')) { return; }
            selfForm.addClass('jqtransformdone');

            $('input:submit, input:reset, input[type="button"]', this).jqTransInputButton();
            $('input:text, input:password', this).jqTransInputText();
            $('input:checkbox', this).jqTransCheckBox();
            $('input:radio', this).jqTransRadio();
            $('textarea', this).jqTransTextarea();

            if ($('select', this).jqTransSelect().length > 0) { jqTransformAddDocumentListener(); }
            selfForm.bind('reset', function() { var action = function() { jqTransformReset(this); }; window.setTimeout(action, 10); });

            //preloading dont needed anymore since normal, focus and hover image are the same one
            /*if(opt.preloadImg && !jqTransformImgPreloaded){
            jqTransformImgPreloaded = true;
            var oInputText = $('input:text:first', selfForm);
            if(oInputText.length > 0){
            //pour ie on eleve les ""
            var strWrapperImgUrl = oInputText.get(0).wrapper.css('background-image');
            jqTransformPreloadHoverFocusImg(strWrapperImgUrl);					
            var strInnerImgUrl = $('div.jqTransformInputInner',$(oInputText.get(0).wrapper)).css('background-image');
            jqTransformPreloadHoverFocusImg(strInnerImgUrl);
            }
				
				var oTextarea = $('textarea',selfForm);
            if(oTextarea.length > 0){
            var oTable = oTextarea.get(0).oTable;
            $('td',oTable).each(function(){
            var strImgBack = $(this).css('background-image');
            jqTransformPreloadHoverFocusImg(strImgBack);
            });
            }
            }*/


        }); /* End Form each */

    }; /* End the Plugin */

})(jQuery);