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liteblog-jquery-ui.js
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(function($) {
if (!$) {
throw new Error("jQuery is need");
}
/**
* 像上飘动文字提示
* @author wangyuchao
*/
$.fn.clicker = function(opts) {
//init options
var defaultOptions = {
text : "",
moveSpeed : 1,
time : 50,
opacitySpeed : 0.05,
topPadding : 0,
isUp : true
};
if (typeof opts === "string") {
var options = defaultOptions;
options.text = opts;
} else {
var options = $.extend(defaultOptions,opts || {});
}
//create clicker
var $clicker = $("#jquery-ui-clicker");
if ($clicker.size() == 0) {
$clicker = $("<div id='jquery-ui-clicker'></div>").addClass("liteblog-jquery-ui-clicker");
$clicker.css("opacity", 1).appendTo(document.body);
}
//init position
var offset = $(this).offset(),
top = offset.top, left = offset.left;
topPadding = options.topPadding;
if (topPadding == 0) {
topPadding = $clicker.height();
}
if (options.isUp) {
$clicker.css("top" , top - topPadding)
} else {
$clicker.css("top" , top + topPadding)
}
$clicker.css("left" , left + this.width() - $clicker.width() ).text(options.text);
//excute
var excute = function() {
var opacity = $clicker.css("opacity");
if (opacity <= 0) {
$clicker.hide().css("opacity", 1);
return;
}
setTimeout(function() {
$clicker.css("opacity", parseInt(Math.round((opacity - options.opacitySpeed) * 100)) /100);
if (options.isUp) {
$clicker.css("top", parseInt($clicker.css("top")) - options.moveSpeed);
} else {
$clicker.css("top", parseInt($clicker.css("top")) + options.moveSpeed);
}
excute();
}, options.time);
}
$clicker.show();
excute();
return this;
};
/**
* 可以移动出的confirm提示框
* @author wangyuchao
*/
$.fn.smallConfirm = function(callback, opts) { var defaultOptions = {
ok : "确认",
cancal : "取消",
title : "您确定删除这条记录吗?",
time : 25,
speed : 7,
width : 145,
height : 65,
direct : "down",
align : "left"
};
var callbackFn;
if (typeof callback === 'function') {
callbackFn = callback;
} else {
opts = callback;
}
var options = $.extend(defaultOptions, opts || {});
var $confirm = $("#smallConfirm");
if ($confirm.size() <= 0) {
//create
$confirm = $("<div></div>").attr({id : "smallConfirm"}).addClass("liteblog-jquery-ui-smallConfirm-content").width(options.width);
var $title = $("<span id='small-confirm-title'></span>").text(options.title).addClass("liteblog-jquery-ui-smallConfirm-title")
var $titleContainer = $("<div></div>").addClass("liteblog-jquery-ui-smallConfirm-titleContainer").append($title);
var $OKButton = $("<div id='confirm-ok-button'></div>").text(options.ok).addClass("liteblog-jquery-ui-smallConfirm-button-ok").addClass("liteblog-jquery-ui-smallConfirm-button");
var $cancelButton = $("<div id='confirm-cancel-button'></div>").text(options.cancal).addClass("liteblog-jquery-ui-smallConfirm-button-cancel").addClass("liteblog-jquery-ui-smallConfirm-button");
var $buttonZone = $("<div></div>").addClass("liteblog-jquery-ui-smallConfirm-button-zone").append($OKButton).append($cancelButton)
var empty = $("<div></div>").addClass("liteblog-jquery-ui-smallConfirm-empty")
var $confirmContent = $("<div></div>").attr({id : "confirm-content"});
$confirmContent.appendTo($confirm).append($titleContainer).append(empty).append($buttonZone);
$confirm.isRun = false;
$(document.body).append($confirm);
$buttonZone.width($("#small-confirm-title").width())
$confirm.hide().css({
"visibility" : "visible",
left : 0});
$("#confirm-ok-button").click(function() {
$confirm.isRun = true;
closeConfirm();
if (callbackFn) {
callbackFn.call($confirm.get(0).currentElement);
}
});
$("#confirm-cancel-button").click(function() {
$confirm.isRun = true;
closeConfirm();
});
$confirm.get(0).currentElement = null;
}
var closeConfirm = function() {
var height = $confirm.height();
var top = parseInt($confirm.css("top"));
if (height <= 0) {
$confirm.isRun = false;
$confirm.hide();
return;
}
if (height - options.speed < 0) {
height = 0;
} else {
height = height - options.speed;
}
$confirm.css({
top : top + options.speed,
height : height + "px"
});
setTimeout(closeConfirm, options.time);
}
var showConfirm = function() {
var height = $confirm.height();
var top = parseInt($confirm.css("top"));
if (height >= options.height) {
$confirm.isRun = false;
return;
}
if (height + options.speed >= options.height) {
height = options.height;
} else {
height = height + options.speed;
}
$confirm.css({
top : top - options.speed,
height : height + "px"
});
setTimeout(showConfirm, options.time);
}
this.click(function() {
if ($confirm.isRun == true) {
return;
}
var offset = $(this).offset();
var top = offset.top;
var left = offset.left;
var isDown = options.direct == "down";
var align = options.align;
if (isDown) {
var height = $(this).outerHeight();
top = top + height + options.height;
}
if (align == "right") {
left = left - options.width + $(this).width();
} else if (align == "center") {
left = left - (options.width / 2 - $(this).width() / 2);
}
$confirm.css("top", top + "px").css("left", left + "px").height("0").show();
$confirm.isRun = true;
$confirm.get(0).currentElement = this;
showConfirm();
});
}
/**
* 文字统计
* @author wangyuchao
*/
$.fn.countText = function(getShowZoneFn, opts) {
var defaultOptions = {
maxLength : 150,
textareaOverflowBorder : true,
timerSpeed : 0,
overflowText : "您已经超出",
normalText : "您还可以输入"
};
if (typeof getShowZoneFn !== 'function') {
throw new Error("getShowZoneFn is need");
}
var options = $.extend(defaultOptions,opts || {});
var notSpecial = /[\u0021-\u007E]/, blank = /^\s$/;
var $this = this;
var initText = function() {
$(this).each(function() {
this.$showZone = getShowZoneFn.call(this);
var textZone = [];
textZone.push('<span class="liteblog-jquery-ui-counttext-length-normal">');
textZone.push(options.normalText);
textZone.push('<em>');
textZone.push(options.maxLength);
textZone.push('</em>字');
textZone.push('</span>');
textZone.push('<span class="liteblog-jquery-ui-counttext-length-overflow hidden">');
textZone.push(options.overflowText);
textZone.push('<em>0</em>字');
textZone.push('</span>');
this.$showZone.html(textZone.join(""));
this.$numberZone = this.$showZone.find("span").eq(0);
this.isOverflow = false;
});
};
initText.call($this);
var count = function() {
/* old version
var word = $(this).val(), c, total = 0, notSpecialCount = 0;
for (var i = 0, ii = word.length; i < ii; i++) {
c = word[i];
if (blank.test(c)) {
continue;
}
if (notSpecial.test(c)){
notSpecialCount++;
} else {
total++;
}
}
this.realLength = total + Math.round(notSpecialCount / 2);
*/
var content = $.trim($(this).val());
this.realLength = content.length;
};
var show = function() {
var length = options.maxLength - this.realLength;
if (length < 0 && this.isOverflow == false) {
this.isOverflow = true;
this.$showZone.find("span").eq(0).addClass("hidden");
this.$numberZone = this.$showZone.find("span").eq(1).removeClass("hidden");
if (options.textareaOverflowBorder) {
$(this).addClass("liteblog-jquery-ui-counttext-textarea-overflow");
}
}
if (length >= 0 && this.isOverflow == true) {
this.isOverflow = false;
this.$numberZone = this.$showZone.find("span").eq(0).removeClass("hidden");
this.$showZone.find("span").eq(1).addClass("hidden");
if (options.textareaOverflowBorder) {
$(this).removeClass("liteblog-jquery-ui-counttext-textarea-overflow");
}
}
if (this.isOverflow) {
length = Math.abs(length);
}
this.$numberZone.find("em").text(length)
}
// use timer
if (options.timerSpeed > 0) {
$this.focus(function() {
this.isFocus = true, textarea = this;
var countLoop = function() {
count.call(textarea);
show.call(textarea);
if (textarea.isFocus) {
setTimeout(function() {
countLoop();
}, options.timerSpeed);
}
}
countLoop();
});
$this.blur(function() {
this.isFocus = false;
count.call(this);
show.call(this);
});
} else {
$this.keyup = function() {
count.call(this);
show.call(this);
}
}
};
/**
* modal dialog
* @author fangyuan
*/
$.fn.toCenter=function ()
{
var $elem=this;
var w=$elem.width();
var h=$elem.height();
var t=$(document).scrollTop()+($(window).height()/2)-(h/2);
if(t<0)
{
t=0;
}
var l=$(document).scrollLeft()+($(window).width()/2)-(w/2);
if(l<0){l=0;}
$elem.css({
'top':t+"px",
'left':l+"px"
});
}
$.lockWindow = function() {
var top=$(document).scrollTop();
var left=$(document).scrollLeft();
$(window).data("lockscreen_scrollFunc",function(){
window.scrollTo(left,top);});
$(window).bind("scroll",$(window).data("lockscreen_scrollFunc"));
}
$.releaseWindow = function() {
$(window).unbind("scroll",$(window).data("lockscreen_scrollFunc"));
}
/*
@Description: Lock the current screen
@Param
option: to allow user to define the lock-layer style.
*/
$.lockscreen=function()
{
var top=$(document).scrollTop();
var left=$(document).scrollLeft();
$(window).data("lockscreen_scrollFunc",function(){
window.scrollTo(left,top);});
$(window).bind("scroll",$(window).data("lockscreen_scrollFunc"));
var $elem=$("#liteblog-masklayer");
if($elem.size()<1)
{
$(document.body).append("<div id='liteblog-masklayer'></div>");
$mask=$("#liteblog-masklayer");
$mask.css({
position:"absolute",
'top': top+"px",
'left': left+"px",
'z-index': "900",
'height': "100%",
'width': "100%"
});
}
else
{
$elem.css({
'top':top+"px",
'left':left+"px",
'display':"block"
});
$elem.height();
}
}
$.releasescreen=function()
{
$(window).unbind("scroll",$(window).data("lockscreen_scrollFunc"));
$mask=$("#liteblog-masklayer");
if($mask.size()>0)
{
$mask.css("display","none");
}
}
/*
@Description: open a dialog upon the lock layer
@Param
element: to identify a element which to be content of the dialog
isLock: to decide whether the lock layer will display.
*/
$.fn.showDialog=function(isLock)
{
$me=this;
if(isLock)
{
$.lockscreen();
}
$me.css({
'position':"absolute",
'z-index':"901"
});
$me.toCenter();
};
$.fn.closeDialog=function()
{
this.remove();
$.releasescreen();
}
$.showTips=function(title,content) {
$.lockscreen();
var elem=document.createElement("div");
elem.setAttribute("id","liteblog-warndialog");
var titleElem=document.createElement("p");
titleElem.setAttribute("id","liteblog-warndialog-title");
titleElem.innerHTML=title;
var contentElem=document.createElement("p");
contentElem.setAttribute("id","liteblog-warndialog-content");
contentElem.innerHTML=content;
var confirmElem=document.createElement("input");
confirmElem.setAttribute("id","liteblog-warndialog-confirm");
confirmElem.type="button";
confirmElem.value="确定";
confirmElem.onclick=function(){
var elem=document.getElementById("liteblog-warndialog");
if(elem)
{
$.releasescreen();
document.body.removeChild(elem);
}
}
elem.appendChild(titleElem);
elem.appendChild(contentElem);
elem.appendChild(confirmElem);
var firsNode=document.body.childNodes[0];
firsNode.parentNode.insertBefore(elem,firsNode);
//document.body.appendChild(elem);
elem.style.position="absolute";
elem.style.zIndex="901";
elem.style.display="block";
$(elem).toCenter();
}
/**
*
*/
$.openDialog = function($dialog, $exitButton, isLock) {
var isLock = true || isLock;
if (isLock) {
$.lockscreen();
$("#liteblog-masklayer").css({
"background" : "gray",
opacity: "0.1",
filter: "alpha(opacity=10)"
});
}
if ($exitButton) {
$exitButton.click(function() {
$dialog.remove();
$.releasescreen();
});
}
$dialog.css({
"position" : "absolute",
"zIndex" : "901"
});
$dialog.appendTo(document.body).toCenter();
}
/**
* 进度显示条
* 滚动条分成n(初始化设置)个节点
* parem options
* options 有个command 参数
* command 表示调用5种状态下的命令
* init : 初始化 ,带额外参数total(总共有多少节点)
* next : 跳转到下个节点
* finish ：完成某个节点
* forward : 在某个节点范围内前进百分之多少, 带额外参数rate(百分比)
* back : 回到前一个节点
*
* next与finish 分开的原因是因为 finish代表成功情况才会
*
* @author wangyuchao
*/
$.fn.progress = function(options) {
if (!options || typeof options.command != "string") {
throw new Error("options and options.command is must");
}
var command = options.command;
//根据总节点,当前节点,以及剩余距离(totalDistance % total结果),分配剩余距离
var getRemainCompensate = function(total, current, remain) {
if (remain > total) {
var remainCompensate = parseInt(remain / total);
if (current == total) {
return remainCompensate + remian % total;
}
return remainCompensate;
} else if (remain != 0 && remain < total && current <= remain) {
return 1;
}
return 0;
}
var commands = {
init : function() {
var total = options.total;
this.data("total", total);
this.data("current",0);
this.empty();
var totalDistance = this.width();
var moveDistance = parseInt(totalDistance / total);
var remainDistance = totalDistance % total;
this.data("moveDisance", moveDistance);
this.data("remainDistance", remainDistance);
var $line = $('<div class="liteblog-progress-line"></div>').appendTo(this);
$line.css({
width: 0,
height : this.height()
});
this.data("hasMoveDisance", 0);
return this;
},
next : function() {
var total = this.data("total");
var current = this.data("current");
var remainDistance = this.data("remainDistance");
if (total == current) {
return this;
}
this.data("current", ++current);
return this;
},
finish : function() {
var total = this.data("total");
var current = this.data("current");
var remainDistance = this.data("remainDistance");
var moveDistance = this.data("moveDisance");
var width = this.data("hasMoveDisance") + moveDistance + getRemainCompensate(total, current, remainDistance);
this.find(".liteblog-progress-line").width(width);
this.data("hasMoveDisance", width);
if (typeof options.callback == "function") {
options.callback();
}
return this;
},
back : function() {
var total = this.data("total");
var current = this.data("current");
var remainDistance = this.data("remainDistance");
var width = this.data("hasMoveDisance");
this.find(".liteblog-progress-line").width(width);
return this;
},
forward : function() {
var rate = options.rate;
var total = this.data("total");
var current = this.data("current");
var remainDistance = this.data("remainDistance");
var moveDistance = this.data("moveDisance") ;
moveDistance = parseInt(moveDistance * rate);
var width = this.data("hasMoveDisance") + moveDistance;
var $line = this.find(".liteblog-progress-line");
$line.width(width);
return this;
}
}
var command = commands[options.command];
if (command) {
command.call(this);
}
}
/**
* 右下角滚动提示
* @author wangyuchao
*/
$.fn.scrollToTop = function(css) {
var isIE = !!window.ActiveXObject;
var isIE6 = isIE && !window.XMLHttpRequest;
if (isIE6) {
return;
}
//var isScrolling = true;
var $returnTopButton = $("#return-top");
if ($returnTopButton.size() < 1) {
$returnTopButton = $('<div id="return-top" class="hidden"></div>').appendTo(document.body);
}
if (css) {
$returnTopButton.css(css);
}
$returnTopButton.click(function() {
$(this).addClass("hidden");
//isScrolling = true;
$(window).scrollTop(0);
///isScrolling = false;
});
$(window).scroll(function() {
/*
if (isScrolling) {
return;
}
*/
var height = document.documentElement.clientHeight;
var scrollTop = $(window).scrollTop();
if (scrollTop > height) {
$returnTopButton.removeClass("hidden");
} else {
$returnTopButton.addClass("hidden");
}
});
}
/**
* 获取textarea输入框光标坐标
* char ${string} 若带有参数,则为光标左边最近字符的坐标
* @author wangyuchao
*/
$.fn.cursorCoordinate = function(character) {
if (document.selection) {
this.get(0).focus();
var range = document.selection.createRange();
if (character){
var lastIndex = this.cursorIndex();
var firstIndex = this.cursorIndex(character);
range.moveStart("character", -(lastIndex - firstIndex));
range.moveEnd("character", -(lastIndex - firstIndex));
}
return {
left : range.boundingLeft + $(window).scrollLeft(),
top : range.boundingTop + range.boundingHeight + $(window).scrollTop()
};
}
var $clone = $("#liteblog-cursor-clone");
if ($clone.size() < 1) {
$clone = $("<div id='liteblog-cursor-clone'></div>").appendTo(document.body);
}
var width = this.width();
var padding = this.css("padding");
var border = this.css("border");
var margin = this.css("margin");
var lineHeight = this.css("line-height");
var fontSize = this.css("font-size");
var height = this.css("height");
var fontFamily = this.css("font-family");
$clone.css({
width : width + "px",
height : height,
padding : padding,
border : border,
margin : margin,
"line-height" : lineHeight,
"font-size" : fontSize,
"font-family" : fontFamily
});
var value = this.val().substring(0, this.cursorIndex(character)).replace(/</g, '<').replace(/>/g, '>').replace(/\n/g, '<br/>').replace(/\s/g, ' ');
$clone.html("<span>" + value + "</span>" + "<span id='liteblog-cursor-clone-focus'>|</span>");
var position = $("#liteblog-cursor-clone-focus").position();
var offset = this.offset();
$clone.remove();
return {left : position.left + offset.left, top : position.top + offset.top + parseInt(fontSize)};
}
/**
* 获取当前光标在输入框内容中的位置
* char ${string} 若带有参数,则为光标左边最近字符的位置
* @author wangyuchao
*/
$.fn.cursorIndex = function (character) {
var index = 0, elem = this.get(0);
if (document.selection) {// IE Support
elem.focus();
var range = document.selection.createRange();
var cloneRange = range.duplicate();
cloneRange.moveToElementText(elem);
var index = -1;
while (cloneRange.inRange(range)) {
cloneRange.moveStart('character');
index++;
};
if (character) {
var leftIndex = index;
var cloneRange = range.duplicate();
while(leftIndex > 0) {
cloneRange.moveStart('character', -1);
leftIndex--;
if (cloneRange.text.indexOf(character) != -1) {
index = leftIndex;
break;
}
}
};
} else if (elem.selectionStart || elem.selectionStart == '0') { // Firefox support
index = elem.selectionStart;
if (character) {
var leftValue = elem.value.substring(0, index);
if (leftValue.lastIndexOf(character) != - 1) {
index = leftValue.lastIndexOf(character);
}
}
}
return index;
}
/**
* 根据指定位置插入到输入框中
* index ${int} 插入位置
* value ${string} 插入内容
* @author wangyuchao
*/
$.fn.textCursorInsert = function(index, value) {
if (document.selection) {
this.focus();
var range = document.selection.createRange();
var lastIndex = this.cursorIndex();
range.moveStart("character", -(lastIndex - index));
range.text = value;
return this;
}
var myField = this.get(0);
if (myField.selectionStart || myField.selectionStart == '0') {
var startPos = index;
var endPos = myField.selectionStart;
myField.value = myField.value.substring(0, startPos) + value + myField.value.substring(endPos, myField.value.length);
myField.focus();
myField.selectionStart = startPos + value.length;
myField.selectionEnd = startPos + value.length;
}
return this;
}
/**
* hover 提示框
*/
$.fn.hoverDialog = function(opts) {
if (!opts || !typeof opts.url == 'function') {
throw new Error("options is need and options.url is must");
}
var defaultOptions = {
noResult : "查无此人",
loadingText : "正在查询",
width : 300,
height : 155,
shellWidth : 5,
closeDelay : 25,
openDelay : 500
};
//set common param
var options = $.extend(defaultOptions,opts || {});
var width = options.width;
var height = options.height;
var shellWidth = options.shellWidth;
var arrowHeight = 10;
var DIRECT_UP = 0,
DIRECT_DOWN = 1;
var TOWARD_RIGHT = 11,
TOWARD_LEFT = 12;
//only count isUp or isDown
var getDirect = function(targetWidth, targetHeight) {
var offset = $(this).offset();
var screenTop = offset.top - $(window).scrollTop();
//30 is 2*padding + arrow height
if (screenTop >= ((shellWidth * 2 + arrowHeight) + height)) {
return DIRECT_UP;
} else {
return DIRECT_DOWN
}
}
// card toward left or right
var getToward = function(targetWidth, targetHeight) {
var screenWidth = document.documentElement.clientWidth;
var offset = $(this).offset();
if (offset.left + targetWidth < screenWidth) {
return TOWARD_RIGHT;
} else {
return TOWARD_LEFT;
}
}
var removeContainer = function() {
if (this.isOver == false) {
var $container = this.$container;
if ($container) {
$container.hide();
}
}
}
var hover = function() {
var $this = $(this), me = this;
var url = options.url.call(this);
var direct = getDirect.call(this, width, height);
var toward = getToward.call(this, width, height);
//check CSS defalut is that DIRECT is UP and TOWARD is RIGHT
var offset = $this.offset();
var containerCss = {
position : "absolute",
"zIndex" : 899,
top : offset.top - (shellWidth * 2 + arrowHeight) - height + "px",
left : offset.left + "px"
};
var shellCss = {
padding : shellWidth + "px",
width : width + "px",
height : height + "px",
background : "#7B7B7B",
opacity : 0.5,
filter : "alpha(opacity=50)",
position : "absolute",
left : 0,
top : 0
};
var contentCss = {
position : "absolute",
top : shellWidth + "px",
left : shellWidth + "px",
width : width + "px",
height : height + "px",
background : "#FFF",
overflow : "hidden"
}
var shellArrowLeft = parseInt($this.width() / 2 - 11);
arrowCss = {
width : "22px",
height : arrowHeight + "px",
position : "absolute",
left : shellArrowLeft + "px",
top : height + (shellWidth * 2) - 1 + "px",
background : "url('/public/images/ui/arrow.png') no-repeat 0 -40px"
};
//if direct is down update this css
if (direct == DIRECT_DOWN) {
containerCss.top = offset.top + $(this).height() + "px";
shellCss.top = arrowHeight + "px";
arrowCss.top = "0px";
arrowCss.background = "url('/public/images/ui/arrow.png') no-repeat 0 0";
contentCss.top = shellWidth + arrowHeight + "px";
}
//if toward is left update this css
if (toward == TOWARD_LEFT) {
containerCss.left = offset.left - (width - $(this).width()) + "px";
shellArrowLeft = parseInt(width - $this.width() / 2 - 11);
arrowCss.left = shellArrowLeft + "px";
}
//if exist ,show it else create it
var id = "liteblog-hover-dialog-" + url.replace(/\//g, "-").replace(/\./g, "-").replace(/:/g, "-");
var $container = $("#" + id);
if ($container.size() > 0) {
$container.css(containerCss);
$container.find(".liteblog-hover-dialog-shell").css(shellCss);
$container.find(".liteblog-hover-dialog-arrow").css(arrowCss);
$container.find(".liteblog-hover-dialog-content").css(contentCss);
this.$container = $container;
$container.get(0).parent = this;
$container.show();
return;
}
//create container
//20 is $shell's padding
//30 is $shell's padding + $arrow's height
var $container = $("<div></div>");
$container.attr("id", id);
$container.width(width + 20);
$container.height(height + 30);
$container.css(containerCss);
//create shell
$shell = $('<div class="liteblog-hover-dialog-shell"></div>')
$shell.css(shellCss);
$shell.addClass("round");
$shell.appendTo($container);