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/*!
* jQuery Steps v1.1.0 - 09/04/2014
* Copyright (c) 2014 Rafael Staib (http://www.jquery-steps.com)
* Licensed under MIT http://www.opensource.org/licenses/MIT
*/
;(function ($, undefined)
{
$.fn.extend({
_aria: function (name, value)
{
return this.attr("aria-" + name, value);
},
_removeAria: function (name)
{
return this.removeAttr("aria-" + name);
},
_enableAria: function (enable)
{
return (enable == null || enable) ?
this.removeClass("disabled")._aria("disabled", "false") :
this.addClass("disabled")._aria("disabled", "true");
},
_showAria: function (show)
{
return (show == null || show) ?
this.show()._aria("hidden", "false") :
this.hide()._aria("hidden", "true");
},
_selectAria: function (select)
{
return (select == null || select) ?
this.addClass("current")._aria("selected", "true") :
this.removeClass("current")._aria("selected", "false");
},
_id: function (id)
{
return (id) ? this.attr("id", id) : this.attr("id");
}
});
if (!String.prototype.format)
{
String.prototype.format = function()
{
var args = (arguments.length === 1 && $.isArray(arguments[0])) ? arguments[0] : arguments;
var formattedString = this;
for (var i = 0; i < args.length; i++)
{
var pattern = new RegExp("\\{" + i + "\\}", "gm");
formattedString = formattedString.replace(pattern, args[i]);
}
return formattedString;
};
}
/**
* A global unique id count.
*
* @static
* @private
* @property _uniqueId
* @type Integer
**/
var _uniqueId = 0;
/**
* The plugin prefix for cookies.
*
* @final
* @private
* @property _cookiePrefix
* @type String
**/
var _cookiePrefix = "jQu3ry_5teps_St@te_";
/**
* Suffix for the unique tab id.
*
* @final
* @private
* @property _tabSuffix
* @type String
* @since 0.9.7
**/
var _tabSuffix = "-t-";
/**
* Suffix for the unique tabpanel id.
*
* @final
* @private
* @property _tabpanelSuffix
* @type String
* @since 0.9.7
**/
var _tabpanelSuffix = "-p-";
/**
* Suffix for the unique title id.
*
* @final
* @private
* @property _titleSuffix
* @type String
* @since 0.9.7
**/
var _titleSuffix = "-h-";
/**
* An error message for an "index out of range" error.
*
* @final
* @private
* @property _indexOutOfRangeErrorMessage
* @type String
**/
var _indexOutOfRangeErrorMessage = "Index out of range.";
/**
* An error message for an "missing corresponding element" error.
*
* @final
* @private
* @property _missingCorrespondingElementErrorMessage
* @type String
**/
var _missingCorrespondingElementErrorMessage = "One or more corresponding step {0} are missing.";
/**
* Adds a step to the cache.
*
* @static
* @private
* @method addStepToCache
* @param wizard {Object} A jQuery wizard object
* @param step {Object} The step object to add
**/
function addStepToCache(wizard, step)
{
getSteps(wizard).push(step);
}
function analyzeData(wizard, options, state)
{
var stepTitles = wizard.children(options.headerTag),
stepContents = wizard.children(options.bodyTag);
// Validate content
if (stepTitles.length > stepContents.length)
{
throwError(_missingCorrespondingElementErrorMessage, "contents");
}
else if (stepTitles.length < stepContents.length)
{
throwError(_missingCorrespondingElementErrorMessage, "titles");
}
var startIndex = options.startIndex;
state.stepCount = stepTitles.length;
// Tries to load the saved state (step position)
if (options.saveState && $.cookie)
{
var savedState = $.cookie(_cookiePrefix + getUniqueId(wizard));
// Sets the saved position to the start index if not undefined or out of range
var savedIndex = parseInt(savedState, 0);
if (!isNaN(savedIndex) && savedIndex < state.stepCount)
{
startIndex = savedIndex;
}
}
state.currentIndex = startIndex;
stepTitles.each(function (index)
{
var item = $(this), // item == header
content = stepContents.eq(index),
modeData = content.data("mode"),
mode = (modeData == null) ? contentMode.html : getValidEnumValue(contentMode,
(/^\s*$/.test(modeData) || isNaN(modeData)) ? modeData : parseInt(modeData, 0)),
contentUrl = (mode === contentMode.html || content.data("url") === undefined) ?
"" : content.data("url"),
contentLoaded = (mode !== contentMode.html && content.data("loaded") === "1"),
step = $.extend({}, stepModel, {
title: item.html(),
content: (mode === contentMode.html) ? content.html() : "",
contentUrl: contentUrl,
contentMode: mode,
contentLoaded: contentLoaded
});
addStepToCache(wizard, step);
});
}
/**
* Triggers the onCanceled event.
*
* @static
* @private
* @method cancel
* @param wizard {Object} The jQuery wizard object
**/
function cancel(wizard)
{
wizard.triggerHandler("canceled");
}
function decreaseCurrentIndexBy(state, decreaseBy)
{
return state.currentIndex - decreaseBy;
}
/**
* Removes the control functionality completely and transforms the current state to the initial HTML structure.
*
* @static
* @private
* @method destroy
* @param wizard {Object} A jQuery wizard object
**/
function destroy(wizard, options)
{
var eventNamespace = getEventNamespace(wizard);
// Remove virtual data objects from the wizard
wizard.unbind(eventNamespace).removeData("uid").removeData("options")
.removeData("state").removeData("steps").removeData("eventNamespace")
.find(".actions a").unbind(eventNamespace);
// Remove attributes and CSS classes from the wizard
wizard.removeClass(options.clearFixCssClass + " vertical");
var contents = wizard.find(".content > *");
// Remove virtual data objects from panels and their titles
contents.removeData("loaded").removeData("mode").removeData("url");
// Remove attributes, CSS classes and reset inline styles on all panels and their titles
contents.removeAttr("id").removeAttr("role").removeAttr("tabindex")
.removeAttr("class").removeAttr("style")._removeAria("labelledby")
._removeAria("hidden");
// Empty panels if the mode is set to 'async' or 'iframe'
wizard.find(".content > [data-mode='async'],.content > [data-mode='iframe']").empty();
var wizardSubstitute = $("<{0} class=\"{1}\"></{0}>".format(wizard.get(0).tagName, wizard.attr("class")));
var wizardId = wizard._id();
if (wizardId != null && wizardId !== "")
{
wizardSubstitute._id(wizardId);
}
wizardSubstitute.html(wizard.find(".content").html());
wizard.after(wizardSubstitute);
wizard.remove();
return wizardSubstitute;
}
/**
* Triggers the onFinishing and onFinished event.
*
* @static
* @private
* @method finishStep
* @param wizard {Object} The jQuery wizard object
* @param state {Object} The state container of the current wizard
**/
function finishStep(wizard, state)
{
var currentStep = wizard.find(".steps li").eq(state.currentIndex);
if (wizard.triggerHandler("finishing", [state.currentIndex]))
{
currentStep.addClass("done").removeClass("error");
wizard.triggerHandler("finished", [state.currentIndex]);
}
else
{
currentStep.addClass("error");
}
}
/**
* Gets or creates if not exist an unique event namespace for the given wizard instance.
*
* @static
* @private
* @method getEventNamespace
* @param wizard {Object} A jQuery wizard object
* @return {String} Returns the unique event namespace for the given wizard
*/
function getEventNamespace(wizard)
{
var eventNamespace = wizard.data("eventNamespace");
if (eventNamespace == null)
{
eventNamespace = "." + getUniqueId(wizard);
wizard.data("eventNamespace", eventNamespace);
}
return eventNamespace;
}
function getStepAnchor(wizard, index)
{
var uniqueId = getUniqueId(wizard);
return wizard.find("#" + uniqueId + _tabSuffix + index);
}
function getStepPanel(wizard, index)
{
var uniqueId = getUniqueId(wizard);
return wizard.find("#" + uniqueId + _tabpanelSuffix + index);
}
function getStepTitle(wizard, index)
{
var uniqueId = getUniqueId(wizard);
return wizard.find("#" + uniqueId + _titleSuffix + index);
}
function getOptions(wizard)
{
return wizard.data("options");
}
function getState(wizard)
{
return wizard.data("state");
}
function getSteps(wizard)
{
return wizard.data("steps");
}
/**
* Gets a specific step object by index.
*
* @static
* @private
* @method getStep
* @param index {Integer} An integer that belongs to the position of a step
* @return {Object} A specific step object
**/
function getStep(wizard, index)
{
var steps = getSteps(wizard);
if (index < 0 || index >= steps.length)
{
throwError(_indexOutOfRangeErrorMessage);
}
return steps[index];
}
/**
* Gets or creates if not exist an unique id from the given wizard instance.
*
* @static
* @private
* @method getUniqueId
* @param wizard {Object} A jQuery wizard object
* @return {String} Returns the unique id for the given wizard
*/
function getUniqueId(wizard)
{
var uniqueId = wizard.data("uid");
if (uniqueId == null)
{
uniqueId = wizard._id();
if (uniqueId == null)
{
uniqueId = "steps-uid-".concat(_uniqueId);
wizard._id(uniqueId);
}
_uniqueId++;
wizard.data("uid", uniqueId);
}
return uniqueId;
}
/**
* Gets a valid enum value by checking a specific enum key or value.
*
* @static
* @private
* @method getValidEnumValue
* @param enumType {Object} Type of enum
* @param keyOrValue {Object} Key as `String` or value as `Integer` to check for
*/
function getValidEnumValue(enumType, keyOrValue)
{
validateArgument("enumType", enumType);
validateArgument("keyOrValue", keyOrValue);
// Is key
if (typeof keyOrValue === "string")
{
var value = enumType[keyOrValue];
if (value === undefined)
{
throwError("The enum key '{0}' does not exist.", keyOrValue);
}
return value;
}
// Is value
else if (typeof keyOrValue === "number")
{
for (var key in enumType)
{
if (enumType[key] === keyOrValue)
{
return keyOrValue;
}
}
throwError("Invalid enum value '{0}'.", keyOrValue);
}
// Type is not supported
else
{
throwError("Invalid key or value type.");
}
}
/**
* Routes to the next step.
*
* @static
* @private
* @method goToNextStep
* @param wizard {Object} The jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @return {Boolean} Indicates whether the action executed
**/
function goToNextStep(wizard, options, state)
{
return paginationClick(wizard, options, state, increaseCurrentIndexBy(state, 1));
}
/**
* Routes to the previous step.
*
* @static
* @private
* @method goToPreviousStep
* @param wizard {Object} The jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @return {Boolean} Indicates whether the action executed
**/
function goToPreviousStep(wizard, options, state)
{
return paginationClick(wizard, options, state, decreaseCurrentIndexBy(state, 1));
}
/**
* Routes to a specific step by a given index.
*
* @static
* @private
* @method goToStep
* @param wizard {Object} The jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param index {Integer} The position (zero-based) to route to
* @return {Boolean} Indicates whether the action succeeded or failed
**/
function goToStep(wizard, options, state, index)
{
if (index < 0 || index >= state.stepCount)
{
throwError(_indexOutOfRangeErrorMessage);
}
if (options.forceMoveForward && index < state.currentIndex)
{
return;
}
var oldIndex = state.currentIndex;
if (wizard.triggerHandler("stepChanging", [state.currentIndex, index]))
{
// Save new state
state.currentIndex = index;
saveCurrentStateToCookie(wizard, options, state);
// Change visualisation
refreshStepNavigation(wizard, options, state, oldIndex);
refreshPagination(wizard, options, state);
loadAsyncContent(wizard, options, state);
startTransitionEffect(wizard, options, state, index, oldIndex, function()
{
wizard.triggerHandler("stepChanged", [index, oldIndex]);
});
}
else
{
wizard.find(".steps li").eq(oldIndex).addClass("error");
}
return true;
}
function increaseCurrentIndexBy(state, increaseBy)
{
return state.currentIndex + increaseBy;
}
/**
* Initializes the component.
*
* @static
* @private
* @method initialize
* @param options {Object} The component settings
**/
function initialize(options)
{
/*jshint -W040 */
var opts = $.extend(true, {}, defaults, options);
return this.each(function ()
{
var wizard = $(this);
var state = {
currentIndex: opts.startIndex,
currentStep: null,
stepCount: 0,
transitionElement: null
};
// Create data container
wizard.data("options", opts);
wizard.data("state", state);
wizard.data("steps", []);
analyzeData(wizard, opts, state);
render(wizard, opts, state);
registerEvents(wizard, opts);
// Trigger focus
if (opts.autoFocus && _uniqueId === 0)
{
getStepAnchor(wizard, opts.startIndex).focus();
}
wizard.triggerHandler("init", [opts.startIndex]);
});
}
/**
* Inserts a new step to a specific position.
*
* @static
* @private
* @method insertStep
* @param wizard {Object} The jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param index {Integer} The position (zero-based) to add
* @param step {Object} The step object to add
* @example
* $("#wizard").steps().insert(0, {
* title: "Title",
* content: "", // optional
* contentMode: "async", // optional
* contentUrl: "/Content/Step/1" // optional
* });
* @chainable
**/
function insertStep(wizard, options, state, index, step)
{
if (index < 0 || index > state.stepCount)
{
throwError(_indexOutOfRangeErrorMessage);
}
// TODO: Validate step object
// Change data
step = $.extend({}, stepModel, step);
insertStepToCache(wizard, index, step);
if (state.currentIndex !== state.stepCount && state.currentIndex >= index)
{
state.currentIndex++;
saveCurrentStateToCookie(wizard, options, state);
}
state.stepCount++;
var contentContainer = wizard.find(".content"),
header = $("<{0}>{1}</{0}>".format(options.headerTag, step.title)),
body = $("<{0}></{0}>".format(options.bodyTag));
if (step.contentMode == null || step.contentMode === contentMode.html)
{
body.html(step.content);
}
if (index === 0)
{
contentContainer.prepend(body).prepend(header);
}
else
{
getStepPanel(wizard, (index - 1)).after(body).after(header);
}
renderBody(wizard, state, body, index);
renderTitle(wizard, options, state, header, index);
refreshSteps(wizard, options, state, index);
if (index === state.currentIndex)
{
refreshStepNavigation(wizard, options, state);
}
refreshPagination(wizard, options, state);
return wizard;
}
/**
* Inserts a step object to the cache at a specific position.
*
* @static
* @private
* @method insertStepToCache
* @param wizard {Object} A jQuery wizard object
* @param index {Integer} The position (zero-based) to add
* @param step {Object} The step object to add
**/
function insertStepToCache(wizard, index, step)
{
getSteps(wizard).splice(index, 0, step);
}
/**
* Handles the keyup DOM event for pagination.
*
* @static
* @private
* @event keyup
* @param event {Object} An event object
*/
function keyUpHandler(event)
{
var wizard = $(this),
options = getOptions(wizard),
state = getState(wizard);
if (options.suppressPaginationOnFocus && wizard.find(":focus").is(":input"))
{
event.preventDefault();
return false;
}
var keyCodes = { left: 37, right: 39 };
if (event.keyCode === keyCodes.left)
{
event.preventDefault();
goToPreviousStep(wizard, options, state);
}
else if (event.keyCode === keyCodes.right)
{
event.preventDefault();
goToNextStep(wizard, options, state);
}
}
/**
* Loads and includes async content.
*
* @static
* @private
* @method loadAsyncContent
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
*/
function loadAsyncContent(wizard, options, state)
{
if (state.stepCount > 0)
{
var currentIndex = state.currentIndex,
currentStep = getStep(wizard, currentIndex);
if (!options.enableContentCache || !currentStep.contentLoaded)
{
switch (getValidEnumValue(contentMode, currentStep.contentMode))
{
case contentMode.iframe:
wizard.find(".content > .body").eq(state.currentIndex).empty()
.html("<iframe src=\"" + currentStep.contentUrl + "\" frameborder=\"0\" scrolling=\"no\" />")
.data("loaded", "1");
break;
case contentMode.async:
var currentStepContent = getStepPanel(wizard, currentIndex)._aria("busy", "true")
.empty().append(renderTemplate(options.loadingTemplate, { text: options.labels.loading }));
$.ajax({ url: currentStep.contentUrl, cache: false }).done(function (data)
{
currentStepContent.empty().html(data)._aria("busy", "false").data("loaded", "1");
wizard.triggerHandler("contentLoaded", [currentIndex]);
});
break;
}
}
}
}
/**
* Fires the action next or previous click event.
*
* @static
* @private
* @method paginationClick
* @param wizard {Object} The jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param index {Integer} The position (zero-based) to route to
* @return {Boolean} Indicates whether the event fired successfully or not
**/
function paginationClick(wizard, options, state, index)
{
var oldIndex = state.currentIndex;
if (index >= 0 && index < state.stepCount && !(options.forceMoveForward && index < state.currentIndex))
{
var anchor = getStepAnchor(wizard, index),
parent = anchor.parent(),
isDisabled = parent.hasClass("disabled");
// Enable the step to make the anchor clickable!
parent._enableAria();
anchor.click();
// An error occured
if (oldIndex === state.currentIndex && isDisabled)
{
// Disable the step again if current index has not changed; prevents click action.
parent._enableAria(false);
return false;
}
return true;
}
return false;
}
/**
* Fires when a pagination click happens.
*
* @static
* @private
* @event click
* @param event {Object} An event object
*/
function paginationClickHandler(event)
{
event.preventDefault();
var anchor = $(this),
wizard = anchor.parent().parent().parent().parent(),
options = getOptions(wizard),
state = getState(wizard),
href = anchor.attr("href");
switch (href.substring(href.lastIndexOf("#") + 1))
{
case "cancel":
cancel(wizard);
break;
case "finish":
finishStep(wizard, state);
break;
case "next":
goToNextStep(wizard, options, state);
break;
case "previous":
goToPreviousStep(wizard, options, state);
break;
}
}
/**
* Refreshs the visualization state for the entire pagination.
*
* @static
* @private
* @method refreshPagination
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
*/
function refreshPagination(wizard, options, state)
{
if (options.enablePagination)
{
var finish = wizard.find(".actions a[href$='#finish']").parent(),
next = wizard.find(".actions a[href$='#next']").parent();
if (!options.forceMoveForward)
{
var previous = wizard.find(".actions a[href$='#previous']").parent();
previous._enableAria(state.currentIndex > 0);
}
if (options.enableFinishButton && options.showFinishButtonAlways)
{
finish._enableAria(state.stepCount > 0);
next._enableAria(state.stepCount > 1 && state.stepCount > (state.currentIndex + 1));
}
else
{
finish._showAria(options.enableFinishButton && state.stepCount === (state.currentIndex + 1));
next._showAria(state.stepCount === 0 || state.stepCount > (state.currentIndex + 1)).
_enableAria(state.stepCount > (state.currentIndex + 1) || !options.enableFinishButton);
}
}
}
/**
* Refreshs the visualization state for the step navigation (tabs).
*
* @static
* @private
* @method refreshStepNavigation
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param [oldIndex] {Integer} The index of the prior step
*/
function refreshStepNavigation(wizard, options, state, oldIndex)
{
var currentOrNewStepAnchor = getStepAnchor(wizard, state.currentIndex),
currentInfo = $("<span class=\"current-info audible\">" + options.labels.current + " </span>"),
stepTitles = wizard.find(".content > .title");
if (oldIndex != null)
{
var oldStepAnchor = getStepAnchor(wizard, oldIndex);
oldStepAnchor.parent().addClass("done").removeClass("error")._selectAria(false);
stepTitles.eq(oldIndex).removeClass("current").next(".body").removeClass("current");
currentInfo = oldStepAnchor.find(".current-info");
currentOrNewStepAnchor.focus();
}
currentOrNewStepAnchor.prepend(currentInfo).parent()._selectAria().removeClass("done")._enableAria();
stepTitles.eq(state.currentIndex).addClass("current").next(".body").addClass("current");
}
/**
* Refreshes step buttons and their related titles beyond a certain position.
*
* @static
* @private
* @method refreshSteps
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param index {Integer} The start point for refreshing ids
*/
function refreshSteps(wizard, options, state, index)
{
var uniqueId = getUniqueId(wizard);
for (var i = index; i < state.stepCount; i++)
{
var uniqueStepId = uniqueId + _tabSuffix + i,
uniqueBodyId = uniqueId + _tabpanelSuffix + i,
uniqueHeaderId = uniqueId + _titleSuffix + i,
title = wizard.find(".title").eq(i)._id(uniqueHeaderId);
wizard.find(".steps a").eq(i)._id(uniqueStepId)
._aria("controls", uniqueBodyId).attr("href", "#" + uniqueHeaderId)
.html(renderTemplate(options.titleTemplate, { index: i + 1, title: title.html() }));
wizard.find(".body").eq(i)._id(uniqueBodyId)
._aria("labelledby", uniqueHeaderId);
}
}
function registerEvents(wizard, options)
{
var eventNamespace = getEventNamespace(wizard);
wizard.bind("canceled" + eventNamespace, options.onCanceled);
wizard.bind("contentLoaded" + eventNamespace, options.onContentLoaded);
wizard.bind("finishing" + eventNamespace, options.onFinishing);
wizard.bind("finished" + eventNamespace, options.onFinished);
wizard.bind("init" + eventNamespace, options.onInit);
wizard.bind("stepChanging" + eventNamespace, options.onStepChanging);
wizard.bind("stepChanged" + eventNamespace, options.onStepChanged);
if (options.enableKeyNavigation)
{
wizard.bind("keyup" + eventNamespace, keyUpHandler);
}
wizard.find(".actions a").bind("click" + eventNamespace, paginationClickHandler);
}
/**
* Removes a specific step by an given index.
*
* @static
* @private
* @method removeStep
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param index {Integer} The position (zero-based) of the step to remove
* @return Indecates whether the item is removed.
**/
function removeStep(wizard, options, state, index)
{
// Index out of range and try deleting current item will return false.
if (index < 0 || index >= state.stepCount || state.currentIndex === index)
{
return false;
}
// Change data
removeStepFromCache(wizard, index);
if (state.currentIndex > index)
{
state.currentIndex--;
saveCurrentStateToCookie(wizard, options, state);
}
state.stepCount--;
getStepTitle(wizard, index).remove();
getStepPanel(wizard, index).remove();
getStepAnchor(wizard, index).parent().remove();
// Set the "first" class to the new first step button
if (index === 0)
{
wizard.find(".steps li").first().addClass("first");
}
// Set the "last" class to the new last step button
if (index === state.stepCount)
{
wizard.find(".steps li").eq(index).addClass("last");
}
refreshSteps(wizard, options, state, index);
refreshPagination(wizard, options, state);
return true;
}
function removeStepFromCache(wizard, index)
{
getSteps(wizard).splice(index, 1);
}
/**
* Transforms the base html structure to a more sensible html structure.
*
* @static
* @private
* @method render
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
**/
function render(wizard, options, state)
{
// Create a content wrapper and copy HTML from the intial wizard structure
var wrapperTemplate = "<{0} class=\"{1}\">{2}</{0}>",
orientation = getValidEnumValue(stepsOrientation, options.stepsOrientation),
verticalCssClass = (orientation === stepsOrientation.vertical) ? " vertical" : "",
contentWrapper = $(wrapperTemplate.format(options.contentContainerTag, "content " + options.clearFixCssClass, wizard.html())),
stepsWrapper = $(wrapperTemplate.format(options.stepsContainerTag, "steps " + options.clearFixCssClass, "<ul role=\"tablist\"></ul>")),
stepTitles = contentWrapper.children(options.headerTag),
stepContents = contentWrapper.children(options.bodyTag);
// Transform the wizard wrapper and remove the inner HTML
wizard.attr("role", "application").empty().append(stepsWrapper).append(contentWrapper)
.addClass(options.cssClass + " " + options.clearFixCssClass + verticalCssClass);
// Add WIA-ARIA support
stepContents.each(function (index)
{
renderBody(wizard, state, $(this), index);
});
stepTitles.each(function (index)
{
renderTitle(wizard, options, state, $(this), index);
});
refreshStepNavigation(wizard, options, state);
renderPagination(wizard, options, state);
}
/**
* Transforms the body to a proper tabpanel.
*
* @static
* @private
* @method renderBody
* @param wizard {Object} A jQuery wizard object
* @param body {Object} A jQuery body object
* @param index {Integer} The position of the body
*/
function renderBody(wizard, state, body, index)
{
var uniqueId = getUniqueId(wizard),
uniqueBodyId = uniqueId + _tabpanelSuffix + index,
uniqueHeaderId = uniqueId + _titleSuffix + index;
body._id(uniqueBodyId).attr("role", "tabpanel")._aria("labelledby", uniqueHeaderId)
.addClass("body")._showAria(state.currentIndex === index);
}
/**
* Renders a pagination if enabled.
*
* @static
* @private
* @method renderPagination
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
*/
function renderPagination(wizard, options, state)
{
if (options.enablePagination)
{
var pagination = "<{0} class=\"actions {1}\"><ul role=\"menu\" aria-label=\"{2}\">{3}</ul></{0}>",
buttonTemplate = "<li><a href=\"#{0}\" role=\"menuitem\">{1}</a></li>",
buttons = "";
if (!options.forceMoveForward)
{
buttons += buttonTemplate.format("previous", options.labels.previous);
}
buttons += buttonTemplate.format("next", options.labels.next);
if (options.enableFinishButton)
{
buttons += buttonTemplate.format("finish", options.labels.finish);
}
if (options.enableCancelButton)
{
buttons += buttonTemplate.format("cancel", options.labels.cancel);
}
wizard.append(pagination.format(options.actionContainerTag, options.clearFixCssClass,
options.labels.pagination, buttons));
refreshPagination(wizard, options, state);
loadAsyncContent(wizard, options, state);
}
}
/**
* Renders a template and replaces all placeholder.
*
* @static
* @private
* @method renderTemplate
* @param template {String} A template
* @param substitutes {Object} A list of substitute
* @return {String} The rendered template
*/
function renderTemplate(template, substitutes)
{
var matches = template.match(/#([a-z]*)#/gi);
for (var i = 0; i < matches.length; i++)
{
var match = matches[i],
key = match.substring(1, match.length - 1);
if (substitutes[key] === undefined)
{
throwError("The key '{0}' does not exist in the substitute collection!", key);
}
template = template.replace(match, substitutes[key]);
}
return template;
}
/**
* Transforms the title to a step item button.
*
* @static
* @private
* @method renderTitle
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
* @param header {Object} A jQuery header object
* @param index {Integer} The position of the header
*/
function renderTitle(wizard, options, state, header, index)
{
var uniqueId = getUniqueId(wizard),
uniqueStepId = uniqueId + _tabSuffix + index,
uniqueBodyId = uniqueId + _tabpanelSuffix + index,
uniqueHeaderId = uniqueId + _titleSuffix + index,
stepCollection = wizard.find(".steps > ul"),
title = renderTemplate(options.titleTemplate, {
index: index + 1,
title: header.html()
}),
stepItem = $("<li role=\"tab\"><a id=\"" + uniqueStepId + "\" href=\"#" + uniqueHeaderId +
"\" aria-controls=\"" + uniqueBodyId + "\">" + title + "</a></li>");
stepItem._enableAria(options.enableAllSteps || state.currentIndex > index);
if (state.currentIndex > index)
{
stepItem.addClass("done");
}
header._id(uniqueHeaderId).attr("tabindex", "-1").addClass("title");
if (index === 0)
{
stepCollection.prepend(stepItem);
}
else
{
stepCollection.find("li").eq(index - 1).after(stepItem);
}
// Set the "first" class to the new first step button
if (index === 0)
{
stepCollection.find("li").removeClass("first").eq(index).addClass("first");
}
// Set the "last" class to the new last step button
if (index === (state.stepCount - 1))
{
stepCollection.find("li").removeClass("last").eq(index).addClass("last");
}
// Register click event
stepItem.children("a").bind("click" + getEventNamespace(wizard), stepClickHandler);
}
/**
* Saves the current state to a cookie.
*
* @static
* @private
* @method saveCurrentStateToCookie
* @param wizard {Object} A jQuery wizard object
* @param options {Object} Settings of the current wizard
* @param state {Object} The state container of the current wizard
*/
function saveCurrentStateToCookie(wizard, options, state)
{
if (options.saveState && $.cookie)
{
$.cookie(_cookiePrefix + getUniqueId(wizard), state.currentIndex);
}
}
function startTransitionEffect(wizard, options, state, index, oldIndex, doneCallback)
{
var stepContents = wizard.find(".content > .body"),
effect = getValidEnumValue(transitionEffect, options.transitionEffect),
effectSpeed = options.transitionEffectSpeed,
newStep = stepContents.eq(index),
currentStep = stepContents.eq(oldIndex);
switch (effect)
{
case transitionEffect.fade:
case transitionEffect.slide:
var hide = (effect === transitionEffect.fade) ? "fadeOut" : "slideUp",
show = (effect === transitionEffect.fade) ? "fadeIn" : "slideDown";
state.transitionElement = newStep;
currentStep[hide](effectSpeed, function ()
{
var wizard = $(this)._showAria(false).parent().parent(),
state = getState(wizard);
if (state.transitionElement)
{
state.transitionElement[show](effectSpeed, function ()
{
$(this)._showAria();
}).promise().done(doneCallback);
state.transitionElement = null;
}
});
break;
case transitionEffect.slideLeft:
var outerWidth = currentStep.outerWidth(true),
posFadeOut = (index > oldIndex) ? -(outerWidth) : outerWidth,
posFadeIn = (index > oldIndex) ? outerWidth : -(outerWidth);
$.when(currentStep.animate({ left: posFadeOut }, effectSpeed,
function () { $(this)._showAria(false); }),
newStep.css("left", posFadeIn + "px")._showAria()
.animate({ left: 0 }, effectSpeed)).done(doneCallback);
break;
default:
$.when(currentStep._showAria(false), newStep._showAria())
.done(doneCallback);
break;
}
}
/**
* Fires when a step click happens.
*
* @static
* @private
* @event click
* @param event {Object} An event object
*/
function stepClickHandler(event)
{
event.preventDefault();
var anchor = $(this),
wizard = anchor.parent().parent().parent().parent(),
options = getOptions(wizard),
state = getState(wizard),
oldIndex = state.currentIndex;
if (anchor.parent().is(":not(.disabled):not(.current)"))
{
var href = anchor.attr("href"),
position = parseInt(href.substring(href.lastIndexOf("-") + 1), 0);
goToStep(wizard, options, state, position);
}
// If nothing has changed
if (oldIndex === state.currentIndex)
{
getStepAnchor(wizard, oldIndex).focus();
return false;
}
}
function throwError(message)
{
if (arguments.length > 1)
{
message = message.format(Array.prototype.slice.call(arguments, 1));
}
throw new Error(message);
}
/**
* Checks an argument for null or undefined and throws an error if one check applies.
*
* @static
* @private
* @method validateArgument
* @param argumentName {String} The name of the given argument
* @param argumentValue {Object} The argument itself
*/
function validateArgument(argumentName, argumentValue)
{
if (argumentValue == null)
{
throwError("The argument '{0}' is null or undefined.", argumentName);
}
}
/**
* Represents a jQuery wizard plugin.
*
* @class steps
* @constructor
* @param [method={}] The name of the method as `String` or an JSON object for initialization
* @param [params=]* {Array} Additional arguments for a method call
* @chainable
**/
$.fn.steps = function (method)
{
if ($.fn.steps[method])
{
return $.fn.steps[method].apply(this, Array.prototype.slice.call(arguments, 1));
}
else if (typeof method === "object" || !method)
{
return initialize.apply(this, arguments);
}
else
{
$.error("Method " + method + " does not exist on jQuery.steps");
}
};
/**
* Adds a new step.
*
* @method add
* @param step {Object} The step object to add
* @chainable
**/
$.fn.steps.add = function (step)
{
var state = getState(this);
return insertStep(this, getOptions(this), state, state.stepCount, step);
};
/**
* Removes the control functionality completely and transforms the current state to the initial HTML structure.
*
* @method destroy
* @chainable
**/
$.fn.steps.destroy = function ()
{
return destroy(this, getOptions(this));
};
/**
* Triggers the onFinishing and onFinished event.
*
* @method finish
**/
$.fn.steps.finish = function ()
{
finishStep(this, getState(this));
};
/**
* Gets the current step index.
*
* @method getCurrentIndex
* @return {Integer} The actual step index (zero-based)
* @for steps
**/
$.fn.steps.getCurrentIndex = function ()
{
return getState(this).currentIndex;
};
/**
* Gets the current step object.
*
* @method getCurrentStep
* @return {Object} The actual step object
**/
$.fn.steps.getCurrentStep = function ()
{
return getStep(this, getState(this).currentIndex);
};
/**
* Gets a specific step object by index.
*
* @method getStep
* @param index {Integer} An integer that belongs to the position of a step
* @return {Object} A specific step object
**/
$.fn.steps.getStep = function (index)
{
return getStep(this, index);
};
/**
* Inserts a new step to a specific position.
*
* @method insert
* @param index {Integer} The position (zero-based) to add
* @param step {Object} The step object to add
* @example
* $("#wizard").steps().insert(0, {
* title: "Title",
* content: "", // optional
* contentMode: "async", // optional
* contentUrl: "/Content/Step/1" // optional
* });
* @chainable
**/
$.fn.steps.insert = function (index, step)
{
return insertStep(this, getOptions(this), getState(this), index, step);
};
/**
* Routes to the next step.
*
* @method next
* @return {Boolean} Indicates whether the action executed
**/
$.fn.steps.next = function ()
{
return goToNextStep(this, getOptions(this), getState(this));
};
/**
* Routes to the previous step.
*
* @method previous
* @return {Boolean} Indicates whether the action executed
**/
$.fn.steps.previous = function ()
{
return goToPreviousStep(this, getOptions(this), getState(this));
};
/**
* Removes a specific step by an given index.
*
* @method remove
* @param index {Integer} The position (zero-based) of the step to remove
* @return Indecates whether the item is removed.
**/
$.fn.steps.remove = function (index)
{
return removeStep(this, getOptions(this), getState(this), index);
};
/**
* Sets a specific step object by index.
*
* @method setStep
* @param index {Integer} An integer that belongs to the position of a step
* @param step {Object} The step object to change
**/
$.fn.steps.setStep = function (index, step)
{
throw new Error("Not yet implemented!");
};
/**
* Skips an certain amount of steps.
*
* @method skip
* @param count {Integer} The amount of steps that should be skipped
* @return {Boolean} Indicates whether the action executed
**/
$.fn.steps.skip = function (count)
{
throw new Error("Not yet implemented!");
};
/**
* An enum represents the different content types of a step and their loading mechanisms.
*
* @class contentMode
* @for steps
**/
var contentMode = $.fn.steps.contentMode = {
/**
* HTML embedded content
*
* @readOnly
* @property html
* @type Integer
* @for contentMode
**/
html: 0,
/**
* IFrame embedded content
*
* @readOnly
* @property iframe
* @type Integer
* @for contentMode
**/
iframe: 1,
/**
* Async embedded content
*
* @readOnly
* @property async
* @type Integer
* @for contentMode
**/
async: 2
};
/**
* An enum represents the orientation of the steps navigation.
*
* @class stepsOrientation
* @for steps
**/
var stepsOrientation = $.fn.steps.stepsOrientation = {
/**
* Horizontal orientation
*
* @readOnly
* @property horizontal
* @type Integer
* @for stepsOrientation
**/
horizontal: 0,
/**
* Vertical orientation
*
* @readOnly
* @property vertical
* @type Integer
* @for stepsOrientation
**/
vertical: 1
};
/**
* An enum that represents the various transition animations.
*
* @class transitionEffect
* @for steps
**/
var transitionEffect = $.fn.steps.transitionEffect = {
/**
* No transition animation
*
* @readOnly
* @property none
* @type Integer
* @for transitionEffect
**/
none: 0,
/**
* Fade in transition
*
* @readOnly
* @property fade
* @type Integer
* @for transitionEffect
**/
fade: 1,
/**
* Slide up transition
*
* @readOnly
* @property slide
* @type Integer
* @for transitionEffect
**/
slide: 2,
/**
* Slide left transition
*
* @readOnly
* @property slideLeft
* @type Integer
* @for transitionEffect
**/
slideLeft: 3
};
var stepModel = $.fn.steps.stepModel = {
title: "",
content: "",
contentUrl: "",
contentMode: contentMode.html,
contentLoaded: false
};
/**
* An object that represents the default settings.
* There are two possibities to override the sub-properties.
* Either by doing it generally (global) or on initialization.
*
* @static
* @class defaults
* @for steps
* @example
* // Global approach
* $.steps.defaults.headerTag = "h3";
* @example
* // Initialization approach
* $("#wizard").steps({ headerTag: "h3" });
**/
var defaults = $.fn.steps.defaults = {
/**
* The header tag is used to find the step button text within the declared wizard area.
*
* @property headerTag
* @type String
* @default "h1"
* @for defaults
**/
headerTag: "h1",
/**
* The body tag is used to find the step content within the declared wizard area.
*
* @property bodyTag
* @type String
* @default "div"
* @for defaults
**/
bodyTag: "div",
/**
* The content container tag which will be used to wrap all step contents.
*
* @property contentContainerTag
* @type String
* @default "div"
* @for defaults
**/
contentContainerTag: "div",
/**
* The action container tag which will be used to wrap the pagination navigation.
*
* @property actionContainerTag
* @type String
* @default "div"
* @for defaults
**/
actionContainerTag: "div",
/**
* The steps container tag which will be used to wrap the steps navigation.
*
* @property stepsContainerTag
* @type String
* @default "div"
* @for defaults
**/
stepsContainerTag: "div",
/**
* The css class which will be added to the outer component wrapper.
*
* @property cssClass
* @type String
* @default "wizard"
* @for defaults
* @example
* <div class="wizard">
* ...
* </div>
**/
cssClass: "wizard",
/**
* The css class which will be used for floating scenarios.
*
* @property clearFixCssClass
* @type String
* @default "clearfix"
* @for defaults
**/
clearFixCssClass: "clearfix",
/**
* Determines whether the steps are vertically or horizontally oriented.
*
* @property stepsOrientation
* @type stepsOrientation
* @default horizontal
* @for defaults
* @since 1.0.0
**/
stepsOrientation: stepsOrientation.horizontal,
/*
* Tempplates
*/
/**
* The title template which will be used to create a step button.
*
* @property titleTemplate
* @type String
* @default "<span class=\"number\">#index#.</span> #title#"
* @for defaults
**/
titleTemplate: "<span class=\"number\">#index#.</span> #title#",
/**
* The loading template which will be used to create the loading animation.
*
* @property loadingTemplate
* @type String
* @default "<span class=\"spinner\"></span> #text#"
* @for defaults
**/
loadingTemplate: "<span class=\"spinner\"></span> #text#",
/*
* Behaviour
*/
/**
* Sets the focus to the first wizard instance in order to enable the key navigation from the begining if `true`.
*
* @property autoFocus
* @type Boolean
* @default false
* @for defaults
* @since 0.9.4
**/
autoFocus: false,
/**
* Enables all steps from the begining if `true` (all steps are clickable).
*
* @property enableAllSteps
* @type Boolean
* @default false
* @for defaults
**/
enableAllSteps: false,
/**
* Enables keyboard navigation if `true` (arrow left and arrow right).
*
* @property enableKeyNavigation
* @type Boolean
* @default true
* @for defaults
**/
enableKeyNavigation: true,
/**
* Enables pagination if `true`.
*
* @property enablePagination
* @type Boolean
* @default true
* @for defaults
**/
enablePagination: true,
/**
* Suppresses pagination if a form field is focused.
*
* @property suppressPaginationOnFocus
* @type Boolean
* @default true
* @for defaults
**/
suppressPaginationOnFocus: true,
/**
* Enables cache for async loaded or iframe embedded content.
*
* @property enableContentCache
* @type Boolean
* @default true
* @for defaults
**/
enableContentCache: true,
/**
* Shows the cancel button if enabled.
*
* @property enableCancelButton
* @type Boolean
* @default false
* @for defaults
**/
enableCancelButton: false,
/**
* Shows the finish button if enabled.
*
* @property enableFinishButton
* @type Boolean
* @default true
* @for defaults
**/
enableFinishButton: true,
/**
* Not yet implemented.
*
* @property preloadContent
* @type Boolean
* @default false
* @for defaults
**/
preloadContent: false,
/**
* Shows the finish button always (on each step; right beside the next button) if `true`.
* Otherwise the next button will be replaced by the finish button if the last step becomes active.
*
* @property showFinishButtonAlways
* @type Boolean
* @default false
* @for defaults
**/
showFinishButtonAlways: false,
/**
* Prevents jumping to a previous step.
*
* @property forceMoveForward
* @type Boolean
* @default false
* @for defaults
**/
forceMoveForward: false,
/**
* Saves the current state (step position) to a cookie.
* By coming next time the last active step becomes activated.
*
* @property saveState
* @type Boolean
* @default false
* @for defaults
**/
saveState: false,
/**
* The position to start on (zero-based).
*
* @property startIndex
* @type Integer
* @default 0
* @for defaults
**/
startIndex: 0,
/*
* Animation Effect Configuration
*/
/**
* The animation effect which will be used for step transitions.
*
* @property transitionEffect
* @type transitionEffect
* @default none
* @for defaults
**/
transitionEffect: transitionEffect.none,
/**
* Animation speed for step transitions (in milliseconds).
*
* @property transitionEffectSpeed
* @type Integer
* @default 200
* @for defaults
**/
transitionEffectSpeed: 200,
/*
* Events
*/
/**
* Fires before the step changes and can be used to prevent step changing by returning `false`.
* Very useful for form validation.
*
* @property onStepChanging
* @type Event
* @default function (event, currentIndex, newIndex) { return true; }
* @for defaults
**/
onStepChanging: function (event, currentIndex, newIndex) { return true; },
/**
* Fires after the step has change.
*
* @property onStepChanged
* @type Event
* @default function (event, currentIndex, priorIndex) { }
* @for defaults
**/
onStepChanged: function (event, currentIndex, priorIndex) { },
/**
* Fires after cancelation.
*
* @property onCanceled
* @type Event
* @default function (event) { }
* @for defaults
**/
onCanceled: function (event) { },
/**
* Fires before finishing and can be used to prevent completion by returning `false`.
* Very useful for form validation.
*
* @property onFinishing
* @type Event
* @default function (event, currentIndex) { return true; }
* @for defaults
**/
onFinishing: function (event, currentIndex) { return true; },
/**
* Fires after completion.
*
* @property onFinished
* @type Event
* @default function (event, currentIndex) { }
* @for defaults
**/
onFinished: function (event, currentIndex) { },
/**
* Fires after async content is loaded.
*
* @property onContentLoaded
* @type Event
* @default function (event, index) { }
* @for defaults
**/
onContentLoaded: function (event, currentIndex) { },
/**
* Fires when the wizard is initialized.
*
* @property onInit
* @type Event
* @default function (event) { }
* @for defaults
**/
onInit: function (event, currentIndex) { },
/**
* Contains all labels.
*
* @property labels
* @type Object
* @for defaults
**/
labels: {
/**
* Label for the cancel button.
*
* @property cancel
* @type String
* @default "Cancel"
* @for defaults
**/
cancel: "Cancel",
/**
* This label is important for accessability reasons.
* Indicates which step is activated.
*
* @property current
* @type String
* @default "current step:"
* @for defaults
**/
current: "current step:",
/**
* This label is important for accessability reasons and describes the kind of navigation.
*
* @property pagination
* @type String
* @default "Pagination"
* @for defaults
* @since 0.9.7
**/
pagination: "Pagination",
/**
* Label for the finish button.
*
* @property finish
* @type String
* @default "Finish"
* @for defaults
**/
finish: "Finish",
/**
* Label for the next button.
*
* @property next
* @type String
* @default "Next"
* @for defaults
**/
next: "Next",
/**
* Label for the previous button.
*
* @property previous
* @type String
* @default "Previous"
* @for defaults
**/
previous: "Previous",
/**
* Label for the loading animation.
*
* @property loading
* @type String
* @default "Loading ..."
* @for defaults
**/
loading: "Loading ..."
}
};
})(jQuery);
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