// site.js
var ASD = {};

ASD.generateFormErrorTooltips = function() {
    // slice and dice form error messages
    var elementsFormError = $$('.formError');
    if (elementsFormError) {
	    elementsFormError.each(function(each) {
	    var errorTrigger = $(each.id + ".trigger");
	    try
        {
            errorTrigger.title = each.firstChild.nodeValue;
            new Tooltip(errorTrigger, {
                appearDuration: .1,
                backgroundColor: '#FFFFBB',
                borderColor: '#FFCC66',
                delay: 100,
                hideDuration: .1,
                maxWidth: 250,
                mouseFollow: false,
                opacity: .95,
                textColor: '#000000'
            });

            Element.setStyle(errorTrigger, {visibility: 'visible'});
        }
        catch ( err )
        {
            // We just let these go...
        }
	});
    }
};

ASD.Window = {
    open: function(inOptions) {
	this.options = {
	    url: 'javascript:void(0)',
	    width: 600,
	    height: 500,
	    name:"_blank",
	    location:"no",
	    menubar:"no",
	    toolbar:"no",
	    status:"yes",
	    scrollbars:"yes",
	    resizable:"yes",
	    left:"",
	    top:"",
	    normal:false
	};
	Object.extend(this.options, inOptions || {});

	if (this.options.normal) {
	    this.options.menubar = "yes";
	    this.options.status = "yes";
	    this.options.toolbar = "yes";
	    this.options.location = "yes";
	}

	this.options.width = this.options.width < screen.availWidth ? this.options.width : screen.availWidth;
	this.options.height = this.options.height < screen.availHeight ? this.options.height : screen.availHeight;
	var openoptions = 'width=' + this.options.width + ',height=' + this.options.height + ',location=' + this.options.location + ',menubar=' + this.options.menubar + ',toolbar=' + this.options.toolbar + ',scrollbars=' + this.options.scrollbars + ',resizable=' + this.options.resizable + ',status=' + this.options.status;
	if (this.options.top !== "") {
	    openoptions += ",top=" + this.options.top;
	}
	if (this.options.left !== "") {
	    openoptions += ",left=" + this.options.left;
	}
	window.open(this.options.url, this.options.name, openoptions);
	return false;
    }
}; // end of ASD.Window


/**
 *	when using removeTextboxText, set the initial/default text of the input before calling
 */
ASD.removeTextboxText = function(elemId) {
    if ($(elemId) && $(elemId).value === $(elemId).initText) {
	$(elemId).value = "";
    }
};

ASD.setTextboxText = function (elemId) {
    if ($(elemId) && $(elemId).value === "") {
	$(elemId).value = $(elemId).initText;
    }
};

ASD.prepareFindFormHeaderSubmit = function(textBoxId) {
    if($(textBoxId) && $(textBoxId).value==$(textBoxId).initText) {
	ASD.removeTextboxText(textBoxId);
    }
};

ASD.prepareTextFieldWithInfoTextToSubmit = function(textBoxId) {
    if($(textBoxId) && $(textBoxId).value==$(textBoxId).initText) {
	ASD.removeTextboxText(textBoxId);
    }
};

ASD.submitSubscribeWidget = function (subscribeSubmitButton, suffix) {
    var page = $F('subscribe_source_page-' + suffix);
    var site = $F('subscribe_source_site-' + suffix);
    var email = $F('subscribe_email-' + suffix);
    var toURL = "/subscribe/" + escape(email) + "/" + escape(site) + "/" + escape(page);

    ASD.Window.open({
	url:toURL,
	width:520,
	height:350
    });
};

ASD.setZebraStripes = function() {
    var evens = $$('.table-zebra tr:nth-child(odd)');
    if(evens) {
	evens.each(function(tr) {
	    tr.addClassName('zebra-fill');
	});
    }
};

ASD.getControllerPath = function() {
    var controllerPath = "";
    var currUrl = window.location.href;
    var segments = currUrl.split("/");
    if(segments.size()>=3) {
	controllerPath = segments[3]; //http, blank, domain, controllerPath
    }
    return controllerPath;
}

ASD.getPathToHighlight = function(deg,spec) {
    var urlPath = "";
    var urlPrefix = ASD.getControllerPath(); // substring first / after ://, to next / (context root)
    if(urlPrefix!="") {
	if(!deg.empty() && !spec.empty()){
	    // both exist
	    urlPath = "/" + urlPrefix + "/" + deg + "/" + spec;
	} else if (!spec.empty()) {
	    // only specialization
	    urlPath = "/" + urlPrefix + "/all-degrees/" + spec;
	} else if(!deg.empty()) {
	    // only degree
	    urlPath = "/" + urlPrefix + "/" + deg;
	}
    }
    return urlPath;
}

ASD.setHighlightLeftNav = function() {
    // implemented in featured and faqs JavaScript files
    }

ASD.setSpecializationDropdown = function() {
    // implement in featured.js
    }

ASD.expandLeftNavForShortBody = function() {
    // left-hand nav: expand body to height of left-hand nav
    var mainBody = $$('.asd-main')[0];
    if(!mainBody) {
    //mainBody = $$(".asd .yui-t2 #yui-main")[0].down();
    }
    var leftNav = $('left-nav-id');
    if(mainBody && leftNav) {
	var mainHeight = mainBody.getHeight();
	var leftNavHeight = leftNav.getHeight();
	if(leftNavHeight>mainHeight) {
	    mainBody.style.height = leftNavHeight + "px";
	}
    } // end if main body

}

ASD.setAnchorToExternalToPopNewWindow = function() {
    // markup validation-compliant solution for target <a> attribute
    // handle multiple campus Request Information content toggle
    var elements = Element.select($(document), "a.external");
    var element;//, id, toggler;
    elements.each( function(item) {
	Event.observe(item, 'click', function(event) {
	    ASD.Window.open({
		url: item.href,
		width:700
	    });
	    Event.stop(event);
	});
    });
}

/**
 * Sets up the fancy make-blank-on-click for textboxes. It captures the original
 * text so we can replace it if they leave it blank. 
 */
ASD.setupTextBoxForClickReplacement = function(textElementID, submitElementID) {
    var textbox = $(textElementID);
    if ( textbox )
    {
	    textbox.initText = textbox.value;

        textbox.observe('focus', function(event){
	        ASD.removeTextboxText(textbox);
	    });

        textbox.observe('blur', function(event){
	        ASD.setTextboxText(textbox);
	    });

        if ( $(submitElementID) )
        {
            $(submitElementID).observe('click', function(event){
                ASD.prepareTextFieldWithInfoTextToSubmit(textbox);
            });
        }
    }
}

ASD.setupHoverButtons = function() {
    var hoverLinks = $$('.hover-button');
    if (hoverLinks) {
	hoverLinks.each(function(each) {
	    Event.observe(each, 'mouseover', function(event) {
		var image = each.down();
		if(!image)
		    image = each;
		image.src = image.src.replace("-btn","-btn-on");
	    });
	    Event.observe(each, 'mouseout', function(event) {
		var image = each.down();
		if(!image)
		    image = each;
		image.src = image.src.replace("-btn-on","-btn");
	    });
	});
    }
}

ASD.setupHoverSubmitButton = function() {
    var hoverLinks = $$('.submit');
    if (hoverLinks) {
	hoverLinks.each(function(each) {
	    Event.observe(each, 'mouseover', function(event) {
		each.addClassName('over');
	    });
	    Event.observe(each, 'mouseout', function(event) {
		each.removeClassName('over');
	    });
	});
    }
}


ASD.setupMiniRFIHoverSubmitButton = function() {
    var hoverLinks = $$('#submitButton');
    if (hoverLinks) {
        hoverLinks.each(function(each) {
            if ( !each.hasClassName("no-hover") )
            {
                Event.observe(each, 'mouseover', function(event) {
                    each.src = each.src.replace(".png","-hover.png");
                });
                Event.observe(each, 'mouseout', function(event) {
                    each.src = each.src.replace("-hover.png",".png");
                });
            }
        });
    }
}

document.observe("dom:loaded", function() {
    // highlight left nav for any implementing page
    ASD.setHighlightLeftNav();
    ASD.setSpecializationDropdown();
    // set zebra stripes on tables
    ASD.setZebraStripes();

    ASD.setupTextBoxForClickReplacement('stateProvince-header', 'find-form-header-submit');
    ASD.setupTextBoxForClickReplacement('zipfilterLocation', 'zipfilterSubmit');

    // Subscribe Footer Submit button
    ASD.setupHoverButtons();
    // setup hovers for submit buttons
    ASD.setupHoverSubmitButton();
    /*
        Impl:  Each field has a suffix added to the end becasue ID's can be duplicated
        subscribe_email-<suffix> (for all elements)
     */
    ['subscribe_submit-footer','subscribe_submit-widget'].each(function(id) {
	if($(id)) {
	    var fields = id.split('-');
	    if (!fields) {
		return;
	    }
	    var emailField = 'subscribe_email-' + fields[1];
	    $(id).observe('click', function(event) {
		ASD.prepareTextFieldWithInfoTextToSubmit(emailField);
		ASD.submitSubscribeWidget(id, fields[1]);
	    });

	    $(emailField).initText = $F(emailField);
	    $(emailField).observe('focus', function(event){
		ASD.removeTextboxText(emailField);
	    });
	    $(emailField).observe('blur', function(event){
		ASD.setTextboxText(emailField);
	    });
	}
    });
    // left nav expansion if body is shorter
    ASD.expandLeftNavForShortBody();
    ASD.setAnchorToExternalToPopNewWindow();
    // OpenCMS Slot
    var footer = $('ft');
    if(footer) {
	var footerOffset = $('ft').positionedOffset();
	if(footerOffset && footerOffset.top<600) {
	    $$(".cms-content-slot-placeholder").each(
		function(slot) {
		    var slotOffset = $(slot).positionedOffset();
		    if(slotOffset.top<=footerOffset.top) {
			slot.style.height = (footerOffset.top-100) + "px";
		    }
		}
		);
	}
    } // end if footer

    // page: exception
    var displayErrors = $('displayErrors');
    if (displayErrors) {
	Event.observe(displayErrors, 'click', function() {
	    var exception = $('exception');
	    if (exception) {
		exception.toggle();
	    }
	    var exceptionContent = $('exception-content');
	    if (exceptionContent) {
		exceptionContent.toggle();
	    }
	});
    }
});