NextGen NivoSlider Plugin

NextGen NivoSlider allows you to create a NivoSlider as a widget or with a shortcode.
This plugin uses the ‘NextGen Gallery’ plugin to obtain the images using tags or gallery IDs.

NivoSlider is a great responsive image slideshow that is highly customizable. With a large array of effects and many additional options you are sure to find a combination that will suit your website.

Requirements:

• NextGen Gallery Plugin

Features:

NextGen NivoSlider has been completely overhauled and is continually being added to. It currently supports all the of NivoSlider’s original functions and even has some extra’s!

• Responsive!
• Fully integrated with NextGen gallery
• Theme support
• Automatic URL linking (put a mailto:, http://, ftp:// or local / into your alt text)
• Extra effect(s)
• Shortcode and Widget support
• Touchscreen support (experimental)

Parameters:

You can use the following parameters in the [ngg-nivoslider] shortcode.
Defaults, where applicable, are shown between parentheses (), available options between brackets [].

• title: Title for slider. Leave blank for no title. (ex: title=”My Slider”)
• gallery: Leave blank to use all galleries or choose a gallery to use. (ex: gallery=”galleryid”)
• order [random”|”asc”|”desc”|”sortorder”]: Order to display results in. You can choose; Random, Latest First, Oldest First, or NextGen Sortorder. Random will still work when a page is cached. (ex: order=”random”)
• tags: comma separated list of tags to filter results by. (ex: tags=”tag1, tag2″)
• shuffle [boolean]: If order is random and this is true will shuffle images with javascript. Useful if your are caching your pages. (ex: shuffle=”true”)
• max_pictures: The maximum amount of pictures to load. (ex: max_pictures=”6″)
• html_id (“slider”): HTML id to use. Defaults to ‘slider’. Needs to be different for multiple sliders on same page. (ex: html_id=”custom-slider”)
• width: Width to use on slider. (ex: width=”200″)
• height: Height to use on slider. (ex: height=”150″)
• center: Centers content in container. Requires width to be set. (ex: center=”1″)
• resize: Resizes the images using TimThumb(v2). Available options are: (ex: resize=”3″)
  1 – Resize to Fit specified dimensions (no cropping)
  2 – Crop and resize to best fit the dimensions (default)
  3 – Resize proportionally to fit entire image into specified dimensions, and add borders if required
  4 – Resize proportionally adjusting size of scaled image so there are no borders gaps
• resizewidth: The width TimThumb will use to resize the image (sc: resizewidth=”800″)
• resizeheight: The height TimThumb will use to resize the image (sc: resizeheight=”600″)
• resizebg (“ffffff”): The color (denoted in hex) to use for the borders that are generated when using resizing option 3 (ex: resizebg=”a0fb69″)
• caption [“alttext”|”description”|”both”]: Show a caption with the slide, showing either the alttext or description as set up in NextGen gallery or both as “Bolded AltText – Description”
• htmlcaption: HTML formatted caption to show on all images (ex: htmlcaption=”Title Welcome to this website“)
• showgallerytitle [boolean]: Display the gallery title (ex: showgallerytitle=”true”)
• showgallerydesc [boolean]: Display the gallery description (ex: showgallerydesc=”true”)

Nivo slider settings:

Please check the NivoSlider website for more details.

• effect: What effect to use as transition. You can specify sets like: ‘fold,fade,sliceDown’. See list below for available effects.(ex: effect=”sliceDown,sliceUp”)
• slices: The amount of slices to divide the image to for the slice effects(ex: slices=”3″)
• boxCols: Amount of columns to split the image into for the box effects (ex: boxcols=”10″)
• boxRows: Amount of row to split the image into for the box effects (ex: boxrows=”8″)
• animSpeed: Slide transition speed in milliseconds (1000ms = 1 second). (ex: animspeed=”300″)
• pauseTime: Time to pause in milliseconds (1000ms = 1 second) before continueing to the next image (ex: pausetime=”5000″)
• startSlide: Set starting Slide. It’s 0-index so use 0 for the first slide. (ex: startslide=”3″)
• directionNav [“true”|”false”]: Whether to display the Next & Prev controls or not. (ex: directionnav=”true”)
• controlNav [“true”|”false”]: 1,2,3… (ex: controlnav=”setting”)
• controlNavThumbs [“true”|”false”]: Use thumbnails for Control Nav if set to true. (ex: controlnavthumbs=”true”)
• thumbsWidth: Resize thumbnail to this width. Recommended to set if using thumbnails. (ex: thumbswidth=”20″)
• thumbsHeight: Resize thumbnail to this height. Recommended to set if using thumbnails. (ex: thumbsheight=”20″)
• thumbsContainerHeight: Height for thumbnails container. Calculation should be ‘number of thumbnail image rows’ x ‘thumbsheight’. (ex: thumbscontainerheight=”20″)
• thumbsGap: Gap between thumbnails. (ex: thumbsgap=”5″)
• controlNavThumbsFromRel: Use image rel for thumbs. (ex: controlnavthumbsfromrel=”setting”)
• controlNavThumbsSearch: Replace this with… (ex: controlnavthumbssearch=”setting”)
• controlNavThumbsReplace: …this in thumb Image src. (ex: controlnavthumbsreplace=”setting”)
• keyboardNav: Use left & right arrows. (ex: keyboardnav=”setting”)
• pauseOnHover: Stop animation while hovering. (ex: pauseonhover=”setting”)
• manualAdvance: Force manual transitions. (ex: manualadvance=”setting”)
• prexText: Text to display for previous (ex: prevtext=”prev”)
• nextText: Text to display for next (ex: prevtext=”next”)
• randomStart [“true”|”false”]: Start with a random slide (ex: randomstart=”true”)
• captionOpacity: Universal caption opacity. (ex: captionopacity=”setting”)
• disableCaptions: (ex: disablecaptions=”1″)
• beforeChange: (ex: beforechange=”setting”)
• afterChange: (ex: afterchange=”setting”)
• slideshowEnd: Triggers after all slides have been shown. (ex: slideshowend=”setting”)
• lastSlide: Triggers when last slide is shown. (ex: lastslide=”setting”)
• afterLoad: Triggers when slider has loaded. (ex: afterload=”setting”)

Nivo Effects:

• random
• sliceDown
• sliceDownLeft
• sliceUp
• sliceUpLeft
• sliceUpDown
• sliceUpDownLeft
• fold
• foldReverse
• fade
• slideInRight
• slideInLeft
• boxRandom
• boxRain
• boxRainReverse
• boxRainGrow
• boxRainGrowReverse

Shortcode examples:

• [ngg-nivoslider html_id=”about-slider”]
• [ngg-nivoslider title=”Hello” gallery=”1″ html_id=”about-slider” width=”200″ height=”150″ center=”1″]
• [ngg-nivoslider html_id=”about-slider” directionnav=”false” controlnav=”false”]
• [ngg-nivoslider tags=slideshow order=”random” effect=”fade” shuffle=”true” max_pictures=”12″ html_id=”slider” resizebg=”fdfdfd” resizewidth=”900″ resizeheight=”620″ resize=”3″ center=”1″ directionNav=”false” controlNav=”false” pauseTime=”10000″ animSpeed=”1000″ pauseOnHover=”false”]

To do

Feel free to suggest new features or things you’d like to see in this plugin!

• Create some extra themes.
• Scrollable thumbnails?

Important: You need to have NextGen Gallery installed for this to work!

Installation through WordPress Dashboard:
1. Find the plugin by searching for “NextGen NivoSlider” and click install. That’s it!

Manual installation:
1. Copy the entire directory from the downloaded zip file into the /wp-content/plugins/ folder.
2. Activate the “NextGen NivoSlider” plugin in the Plugin Management page.
3. Refer to the description to use the plugin as a widget and or a shortcode.

3.2.7

• Fixed: Stupid bug when not making use of a the showGalleryDesc/Title function (Thanks again John!)
• Fixed: Strict standard errors
• Changed: Order of custom title and gallery title/desc (Custom title now comes first)
• Changed: Gallery title is now wrapped in h3 tags instead of h1
• Added: Donation link! If this plugin has helped you out feel free to give me a meal/beer/car/house! I’m a 23 year old traveling around the world with barely any money (less than your average months salary). So any contribution is more than welcome.
• Note: Just a reminder but please let me know of any feature requests and/or bug reports!

3.2.6

• Fixed: Compatibility with NextGen 2.0+
• Fixed: Settings not working with single pic gallery (Thanks John!)
• Fixed: Slide events not working due to being enclosed in apostrophes (Thanks alecboom0)
• Changed: Slider will now start on Document.Ready instead of Window.Load, meaning that it will not wait for all images to be fully loaded before starting
• Added: Options to display gallery title and/or description (showGalleryTitle, showGalleryDesc)

3.2.5

• Fixed: Widget should be working again
• Fixed: Default widget settings no longer resize the images
• Fixed: Removed several deprecated settings
• Changed: Widget configuration, immensely cleaned up code

3.2.4

• Fixed: Some effects not working for some people (Make sure that .nivoSlider img has a max-width of none, or effects won’t work)
• Changed: If a URL is not found in alt text, it will now also check description (note: the URLs still need to be at the beginning in either field)
• Changed: Majorly overhauled the plugin
• Changed: Wrapped everything in classes (OOP)
• Added: Touchscreen support (untested)
• Added: Will now also check for ‘mailto:’ (besides /, html:// and ftp://)
• Added: Admin menu (Gallery -> Nivo Slider)
• Added: Theme support. You can pick your Nivo Slider theme from the new admin menu
• Added: HTML Captioning
• Added: New effect ‘foldReverse’

3.2.3

• Fixed: Trying to wp_register jquery with only one argument (don’t need to register it at all)
• Fixed: Trying to use variables that didn’t exist
• Added: Caption options to widget

3.2.2

• Added: More options to the widget configuration panel (resizing, background color selection, width and height)
• Added: randomStart, prevText and nextText options to NivoSlider settings
• Added: caption [“alttext”|”description”|”both”]
• Changed: The script is now only loaded when necessary (eg. when the shortcode/widget has been used on the page)
• Changed: Cleaned up code
• Fixed: Thumbnail navigation now works correctly

3.2.1

• First release.
• I will keep the first two version numbers equal to the version of the NivoSlider built in. The version of the plugin itself will be shown in the last number(s).
• Please report any bugs!