/*
 *
 * 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 (jQuery) {
    var defaultOptions = { preloadImg: true };
    var jqTransformImgPreloaded = false;

    var jqTransformPreloadHoverFocusImg = function (strImgUrl) {
        //guillemets to remove for ie
        strImgUrl = strImgUrl.replace(/^url\((.*)\)/, 'jQuery1').replace(/^\"(.*)\"jQuery/, 'jQuery1');
        var imgHover = new Image();
        imgHover.src = strImgUrl.replace(/\.([a-zA-Z]*)jQuery/, '-hover.jQuery1');
        var imgFocus = new Image();
        imgFocus.src = strImgUrl.replace(/\.([a-zA-Z]*)jQuery/, '-focus.jQuery1');
    };


    /***************************
    Labels
    ***************************/
    var jqTransformGetLabel = function (objfield) {
        var selfForm = jQuery(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 = jQuery('.jqTransformSelectWrapper ul:visible');
        ulVisible.each(function () {
            var oSelect = jQuery(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))) { jQuery(this).hide(); }
        });
    };
    /* Check for an external click */
    var jqTransformCheckExternalClick = function (event) {
        if (jQuery(event.target).parents('.jqTransformSelectWrapper').length === 0) { jqTransformHideSelect(jQuery(event.target)); }
    };

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

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

    /***************************
    Buttons
    ***************************/
    jQuery.fn.jqTransInputButton = function () {
        return this.each(function () {
            var newBtn = jQuery('<button id="' + this.id + '" name="' + this.name + '" type="' + this.type + '" class="' + this.className + ' jqTransformButton"><span><span>' + jQuery(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') })
			;
            jQuery(this).replaceWith(newBtn);
        });
    };

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

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

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

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

            jQueryinput.addClass("jqTransformInput").wrap('<div class="jqTransformInputWrapper"><div class="jqTransformInputInner"><div></div></div></div>');
            var jQuerywrapper = jQueryinput.parent().parent().parent();
            jQuerywrapper.css("width", inputSize + 10);
            jQueryinput
				.focus(function () { jQuerywrapper.addClass("jqTransformInputWrapper_focus"); })
				.blur(function () { jQuerywrapper.removeClass("jqTransformInputWrapper_focus"); })
				.hover(function () { jQuerywrapper.addClass("jqTransformInputWrapper_hover"); }, function () { jQuerywrapper.removeClass("jqTransformInputWrapper_hover"); })
			;

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

        });
    };

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

            var jQueryinput = jQuery(this);
            var inputSelf = this;

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

            var aLink = jQuery('<a href="#" class="jqTransformCheckbox"></a>');
            //wrap and add the link
            jQueryinput.addClass('jqTransformHidden').wrap('<span class="jqTransformCheckboxWrapper"></span>').parent().prepend(aLink);
            //on change, change the class of the link
            jQueryinput.change(function () {
                this.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
                return true;
            });
            // Click Handler, trigger the click and change event on the input
            aLink.click(function () {
                //do nothing if the original input is disabled
                if (jQueryinput.attr('disabled')) { return false; }
                //trigger the envents on the input object
                jQueryinput.trigger('click').trigger("change");
                return false;
            });

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

            var jQueryinput = jQuery(this);
            var inputSelf = this;

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

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

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

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

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

    /***************************
    TextArea 
    ***************************/
    jQuery.fn.jqTransTextarea = function () {
        return this.each(function () {
            var textarea = jQuery(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 = jQuery(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(jQuery('#jqTransformTextarea-mm div', oTable))
			;
            this.oTable = oTable;
            if (jQuery.browser.safari) {
                jQuery('#jqTransformTextarea-mm', oTable)
					.addClass('jqTransformSafariTextarea')
					.find('div')
						.css('height', textarea.height())
						.css('width', textarea.width())
				;
            }
        });
    };

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

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

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

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

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

            /* Apply the click handler to the Open */
            var oLinkOpen = jQuery('a.jqTransformSelectOpen', jQuerywrapper)
				.click(function () {
				    //Check if box is already open to still allow toggle, but close all other selects
				    if (jQueryul.css('display') == 'none') { jqTransformHideSelect(); }
				    if (jQueryselect.attr('disabled')) { return false; }

				    jQueryul.slideToggle('fast', function () {
				        var selectedOffset = jQuery('a.selected', jQueryul).offset();
				        if (selectedOffset != null) {
				            var offSet = (selectedOffset.top - jQueryul.offset().top);
				            jQueryul.animate({ scrollTop: offSet });
				        }
				    });
				    return false;
				})
			;

            // Set the new width
            var iSelectWidth = jQueryselect.outerWidth();
            var oSpan = jQuery('span:first', jQuerywrapper);
            var newWidth = (iSelectWidth > oSpan.innerWidth()) ? iSelectWidth + oLinkOpen.outerWidth() : jQuerywrapper.width();
            jQuerywrapper.css('width', newWidth);
            jQueryul.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
            jQueryul.css({ display: 'block', visibility: 'hidden' });
            var iSelectHeight = (jQuery('li', jQueryul).length) * (jQuery('li:first', jQueryul).height()); //+1 else bug ff
            (iSelectHeight < jQueryul.height()) && jQueryul.css({ height: iSelectHeight, 'overflow': 'hidden' }); //hidden else bug with ff
            jQueryul.css({ display: 'none', visibility: 'visible' });

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

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

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

            if (jQuery('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 = jQuery('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 = jQuery('div.jqTransformInputInner',jQuery(oInputText.get(0).wrapper)).css('background-image');
            jqTransformPreloadHoverFocusImg(strInnerImgUrl);
            }
				
            var oTextarea = jQuery('textarea',selfForm);
            if(oTextarea.length > 0){
            var oTable = oTextarea.get(0).oTable;
            jQuery('td',oTable).each(function(){
            var strImgBack = jQuery(this).css('background-image');
            jqTransformPreloadHoverFocusImg(strImgBack);
            });
            }
            }*/


        }); /* End Form each */

    }; /* End the Plugin */

})(jQuery);