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Focus Image switching implemented by jquery with thumbnails (automatic playback/response to Mouse Action)

Source: Internet
Author: User
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Demo04.html Copy codeThe Code is as follows: <! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> manual image scrolling </title>
<Style type = "text/css">
Ul, li {margin: 0; padding: 0}
Img {border: 0px ;}
# Container {padding: 40px ;}
# ShowArea img {width: 700px ;}
A {text-decoration: none; border: 0px ;}
# ScrollDiv {border: # ccc 1px solid ;}
# ScrollDiv li {background: # A83 ;}
</Style>
<Script src = "../jquery-1.8.0.min.js" type = "text/javascript"> </script>
<Script src = "manualScroll-0.1.4.js" type = "text/javascript"> </script>
<Script type = "text/javascript">
$ (Document). ready (function (){

$. ManualScroll ({
ObjId: "scrollDiv ",
ShowArea: "showArea ",
ShowTitle: true,
Height: 105,
Width: 140,
Line: 5,
Speed: 1000
});
});
</Script>
</Head>
<Body>
<Div id = "container">
<Div id = "showArea"> </div>
<Div id = "scrollDiv">
<Ul>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
</Ul>
</Div>
</Div>
</Body>
</Html>

ManualScroll-0.1.4.jsCopy codeThe Code is as follows :/**
* Manual image scrolling
*
**/
$. Extend ({
ManualScroll: function (opt, callback ){
// Alert ("suc ");
This. defaults = {
ObjId: "", // rolling area id
ShowArea: "", // Region id displayed in the larger image.
ShowWidth: 700, // large image width
ShowHeight: 525, // large Image Height
ShowTitle: false, // whether the title is displayed below the large image
Width: 300, // The width of each row
Height: 100, // div height
Line: 2, // The number of rows to be rolled each time
AutoLine: 1, // Number of automatically scrolling rows
Speed: 0, // action time
Interval: 3000, // scroll interval
ImgPath: "", // root directory of the image
DirectBtn: "img/direct_btn02.png", // point to image
PicTimer: 0, // interval handle, which is not required but used as the identifier
Opacity: 0.3 // button transparency
};

// Parameter initialization
Var opts = $. extend (this. defaults, opt );

// Define the outer element style
$ ("#" Export opts.objid).css ({
"Position": "relative ",
"Overflow": "hidden ",
"Width" :( opts. line * opts. width) + "px"
});
// Define ul Style
$ ("#" + Opts. objId + "ul" ).css ({
"Width": opts. width * $ ("#" + opts. objId + "ul"). find ("li"). size () + "px ",
"Height": opts. height + "px"
});

// Define the li style
$ ("#" + Opts. objId + "ul li" ).css ({
"Display": "block ",
"Float": "left ",
"Width": opts. width + "px ",
"Height": opts. height + "px"
});

// Add the scroll button to the left
$ ("#" + Opts. objId). append ("<div id = \" button_left \ "> </div> ");

// Define the position of the left button
$ ("# Button_left" detail .css ({
"Width": "40px ",
"Height": "40px ",
"Background": "url (" + opts. imgPath + opts. directBtn + ")",
"Background-position": "0px 0px ",
"Position": "absolute ",
"Left": "0px ",
"Top": (opts. height/2-20) + "px"
});

// Add the scroll button to the right
$ ("#" + Opts. objId). append ("<div id = \" button_right \ "> </div> ");

// Define the position of the right button
$ ("# Button_right" ).css ({
"Width": "40px ",
"Height": "40px ",
"Background": "url (" + opts. imgPath + opts. directBtn + ")",
"Background-position": "-40px 0px ",
"Position": "absolute ",
"Left" :( opts. line * opts. width-40) + "px ",
"Top": (opts. height/2-20) + "px"
});

// Add an action to the left button
$ ("# Button_left"). click (function (){
Var scrollWidth = 0-opts. line * opts. width-(0-$ ("#" + opts. objId ). find ("ul: first" ).css ("margin-left "). replace ("px ",""));
// Uninterrupted scrolling
$ ("#" + Opts. objId). find ("ul: first"). animate ({
MarginLeft: scrollWidth
}, Opts. speed, function (){
For (I = 1; I <= opts. line; I ++ ){
$ ("#" + Opts. objId ). find ("li: first "). appendTo ($ ("#" + opts. objId ). find ("ul: first "));
}
$ ("#" + Opts. objId). find ("ul: first" ).css ({marginLeft: 0 });
ShowArea ();
});
});

// Add action to the right
$ ("# Button_right"). click (function (){
Var scrollWidth = (0-opts. line * opts. width + (0-$ ("#" + opts. objId ). find ("ul: first" ).css ("margin-left "). replace ("px ","")));
// Uninterrupted scrolling
$ ("#" + Opts. objId). find ("ul: first"). animate ({
MarginLeft: scrollWidth
}, 0, function (){
For (I = 1; I <= opts. line; I ++ ){
$ ("#" + Opts. objId ). find ("li: last "). prependTo ($ ("#" + opts. objId ). find ("ul: first "));
}
$ ("#" + Opts. objId). find ("ul: first"). animate ({
MarginLeft: 0
}, Opts. speed, function (){
$ ("#" + Opts. objId). find ("ul: first" ).css ({marginLeft: 0 });
ShowArea ();
});
});
});

/**
* Automatic horizontal scrolling
*/
Function scrollLeft (){
Var scrollWidth = 0-opts. autoLine * opts. width-(0-$ ("#" + opts. objId ). find ("ul: first" ).css ("margin-left "). replace ("px ",""));
$ ("#" + Opts. objId). find ("ul: first"). animate ({
MarginLeft: scrollWidth
}, Opts. speed, function (){
For (I = 1; I <= opts. autoLine; I ++ ){
$ ("#" + Opts. objId ). find ("li: first "). appendTo ($ ("#" + opts. objId ). find ("ul: first "));
}
$ ("#" + Opts. objId). find ("ul: first" ).css ({marginLeft: 0 });
ShowArea ();
});
};

/**
* The title is displayed below the big chart.
*/
If (opts. showTitle & $ ("#" + opts. showArea). size ()> 0 ){
$ ("#" Export opts.showarea#.css ({
"Width": opts. showWidth + "px ",
"Position": "relative ",
"Height": opts. showHeight + "px"
});
$ ("#" Export opts.showarea#.html (" ");
$ ("#" + Opts. showArea). append ("<div id = \" manualScroll_banner \ "> </div> ");
$ ("# ManualScroll_banner" ).css ({
"Width": opts. showWidth + "px ",
"Height": "20px ",
"Background": "#333 ",
"Position": "absolute ",
Opacity: 0.7,
"Text-align": "center ",
"Color": "# FFF ",
"Left": "0px ",
"Top" :( opts. showHeight-20) + "px"
});
}

/**
* Display a large image in a specified area
*/
Function showArea (){
If ($ ("#" + opts. showArea). size ()> 0 ){
// Display the location of the Master Chart
Var index = Math. floor (opts. line-1)/2 );
ShowIndexArea (index );
// Move the cursor over to display the large image
$ ("#" + Opts. objId + "ul li"). each (function (index ){
$ (This). mouseover (function (){
ShowIndexArea (index );
});
});
}
}

/**
* Display the large image of a specified Element
*/
Function showIndexArea (index ){
Var imgSrc = $ ("#" + opts. objId + "ul li: eq (" + index + ") img: first"). attr ("src ");
Var imgAlt = $ ("#" + opts. objId + "ul li: eq (" + index + ") img: first"). attr ("alt ");
// Fade the remaining Images
$ ("#" + Opts. objId + "ul li: lt (" + index + ")" ).css ({
Opacity: 0.5
});
$ ("#" + Opts. objId + "ul li: gt (" + index + ")" ).css ({
Opacity: 0.5
});
$ ("#" + Opts. objId + "ul li: eq (" + index + ")" ).css ({
Opacity: 1
});
// Display a large image
$ ("#" + Opts. showArea + "img: first"). attr ("src", imgSrc );
// Display the title
If (opts. showTitle ){
$ ("# ManualScroll_banner"). text (imgAlt );
}
}

/**
* Move the mouse over and show the button
*/
$ ("#" + Opts. objId). hover (function (){
$ ("# Button_left" detail .css ({
Opacity: 1
});
$ ("# Button_right" ).css ({
Opacity: 1
});
}, Function (){
$ ("# Button_left" detail .css ({
Opacity: opts. opacity
});
$ ("# Button_right" ).css ({
Opacity: opts. opacity
});
}). Trigger ("mouseleave ");

/**
* The first function to be executed
* When the mouse slides over the focus chart, automatic playback is stopped. When the mouse slides out, automatic playback starts.
*/
// Initialize the big image
ShowArea ();
$ ("#" + Opts. objId). hover (function (){
ClearInterval (opts. picTimer );
}, Function (){
Opts. picTimer = setInterval (function (){
ScrollLeft ();
}, Opts. interval); // automatic playback interval, in milliseconds
}). Trigger ("mouseleave ");
}
});

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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