359 lines
12 KiB
Plaintext
359 lines
12 KiB
Plaintext
/*
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* webui popover plugin - v1.0.5
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* A lightWeight popover plugin with jquery ,enchance the popover plugin of bootstrap with some awesome new features. It works well with bootstrap ,but bootstrap is not necessary!
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* https://github.com/sandywalker/webui-popover
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*
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* Made by Sandy Duan
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* Under MIT License
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*/
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;(function ( $, window, document, undefined ) {
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// Create the defaults once
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var pluginName = 'webuiPopover';
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var pluginClass = 'webui-popover';
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var pluginType = 'webui.popover';
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var defaults = {
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placement:'auto',
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width:'auto',
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height:'auto',
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trigger:'click',
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style:'',
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delay:300,
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cache:true,
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multi:false,
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arrow:true,
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title:'',
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content:'',
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closeable:false,
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padding:true,
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url:'',
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type:'html',
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template:'<div class="webui-popover">'+
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'<div class="arrow"></div>'+
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'<div class="webui-popover-inner">'+
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'<a href="#" class="close">x</a>'+
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'<h3 class="webui-popover-title"></h3>'+
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'<div class="webui-popover-content"><i class="glyphicon glyphicon-refresh"></i> <p></p></div>'+
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'</div>'+
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'</div>'
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};
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// The actual plugin constructor
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function WebuiPopover ( element, options ) {
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this.$element = $(element);
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this.options = $.extend( {}, defaults, options );
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this._defaults = defaults;
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this._name = pluginName;
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this.init();
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}
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WebuiPopover.prototype = {
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//init webui popover
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init: function () {
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//init the event handlers
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if (this.options.trigger==='click'){
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this.$element.off('click').on('click',$.proxy(this.toggle,this));
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}else{
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this.$element.off('mouseenter mouseleave')
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.on('mouseenter',$.proxy(this.mouseenterHandler,this))
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.on('mouseleave',$.proxy(this.mouseleaveHandler,this));
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}
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this._poped = false;
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this._inited = true;
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},
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/* api methods and actions */
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destroy:function(){
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this.hide();
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this.$element.data('plugin_'+pluginName,null);
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this.$element.off();
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if (this.$target){
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this.$target.remove();
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}
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},
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hide:function(event){
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if (event){event.preventDefault();}
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var e = $.Event('hide.' + pluginType);
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this.$element.trigger(e);
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if (this.$target){this.$target.removeClass('in').hide();}
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this.$element.trigger('hidden.'+pluginType);
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},
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toggle:function(e){
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if (e) {e.preventDefault();}
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this[this.getTarget().hasClass('in') ? 'hide' : 'show']();
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},
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hideAll:function(){
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$('div.webui-popover').removeClass('in').hide();
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},
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/*core method ,show popover */
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show:function(){
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var
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//element postion
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elementPos = this.getElementPosition(),
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//target postion
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$target = this.getTarget().removeClass().addClass(pluginClass),
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//target content
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$targetContent = this.getContentElement(),
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//target Width
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targetWidth = $target[0].offsetWidth,
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//target Height
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targetHeight = $target[0].offsetHeight,
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//placement
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placement = 'bottom',
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e = $.Event('show.' + pluginType);
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if (!this.options.multi){
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this.hideAll();
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}
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//if (this.hasContent()){
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this.$element.trigger(e);
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//}
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// use cache by default, if not cache setted , reInit the contents
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if (!this.options.cache||!this._poped){
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if (!this.isAsync()){
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this.setContent(this.getContent());
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}else{
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this.setContentASync(this.options.content);
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}
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this.setTitle(this.getTitle());
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if (!this.options.closeable){
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$target.find('.close').off('click').remove();
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}
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$target.show();
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}
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if (this.options.width!=='auto') {$target.width(this.options.width);}
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if (this.options.height!=='auto'){$targetContent.height(this.options.height);}
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//init the popover and insert into the document body
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if (!this.options.arrow){
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$target.find('.arrow').remove();
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}
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$target.remove().css({ top: -1000, left: -1000, display: 'block' }).appendTo(document.body);
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targetWidth = $target[0].offsetWidth;
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targetHeight = $target[0].offsetHeight;
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placement = this.getPlacement(elementPos,targetHeight);
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this.initTargetEvents();
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var postionInfo = this.getTargetPositin(elementPos,placement,targetWidth,targetHeight);
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this.$target.css(postionInfo.position).addClass(placement).addClass('in');
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if (this.options.type==='iframe'){
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var $iframe = $target.find('iframe');
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$iframe.width($target.width()).height($iframe.parent().height());
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}
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if (this.options.style){
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this.$target.addClass(pluginClass+'-'+this.options.style);
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}
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if (!this.options.padding){
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//fixed position offset bug
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$targetContent.css('height',$targetContent.outerHeight());
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this.$target.addClass('webui-no-padding');
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}
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if (!this.options.arrow){
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this.$target.css({'margin':0});
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}
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if (this.options.arrow&&postionInfo.arrowOffset){
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this.$target.find('.arrow').css(postionInfo.arrowOffset);
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}
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this._poped = true;
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this.$element.trigger('shown.'+pluginType);
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},
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/*getter setters */
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getTarget:function(){
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if (!this.$target){
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this.$target = $(this.options.template);
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}
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return this.$target;
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},
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getTitleElement:function(){
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return this.getTarget().find('.'+pluginClass+'-title');
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},
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getContentElement:function(){
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return this.getTarget().find('.'+pluginClass+'-content');
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},
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getTitle:function(){
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return this.options.title||this.$element.attr('data-title')||this.$element.attr('title');
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},
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setTitle:function(title){
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var $titleEl = this.getTitleElement();
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if (title){
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$titleEl.html(title);
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}else{
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$titleEl.remove();
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}
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},
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hasContent:function () {
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return this.getContent();
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},
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getContent:function(){
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if (this.options.url){
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if (this.options.type==='iframe'){
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this.content = $('<iframe frameborder="0"></iframe>').attr('src',this.options.url);
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}
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}else if (!this.content){
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var content='';
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if ($.isFunction(this.options.content)){
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content = this.options.content.apply(this.$element[0],arguments);
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}else{
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content = this.options.content;
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}
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this.content = this.$element.attr('data-content')||content;
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}
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return this.content;
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},
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setContent:function(content){
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var $target = this.getTarget();
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this.getContentElement().html(content);
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this.$target = $target;
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},
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isAsync:function(){
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return this.options.type==='async';
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},
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setContentASync:function(content){
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var that = this;
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$.ajax({
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url:this.options.url,
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type:'GET',
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cache:this.options.cache,
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success:function(data){
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if (content&&$.isFunction(content)){
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that.content = content.apply(that.$element[0],[data]);
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}else{
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that.content = data;
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}
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that.setContent(that.content);
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}
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});
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},
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/* event handlers */
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mouseenterHandler:function(){
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var self = this;
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if (self._timeout){clearTimeout(self._timeout);}
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if (!self.getTarget().is(':visible')){self.show();}
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},
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mouseleaveHandler:function(){
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var self = this;
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//key point, set the _timeout then use clearTimeout when mouse leave
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self._timeout = setTimeout(function(){
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self.hide();
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},self.options.delay);
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},
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//reset and init the target events;
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initTargetEvents:function(){
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if (this.options.trigger!=='click'){
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this.$target.off('mouseenter mouseleave')
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.on('mouseenter',$.proxy(this.mouseenterHandler,this))
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.on('mouseleave',$.proxy(this.mouseleaveHandler,this));
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}
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this.$target.find('.close').off('click').on('click', $.proxy(this.hide,this));
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},
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/* utils methods */
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//caculate placement of the popover
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getPlacement:function(pos,targetHeight){
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var
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placement,
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de = document.documentElement,
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db = document.body,
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clientWidth = de.clientWidth,
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//clientHeight = de.clientHeight,
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scrollTop = Math.max(db.scrollTop,de.scrollTop),
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scrollLeft = Math.max(db.scrollLeft,de.scrollLeft),
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pageX = Math.max(0,pos.left - scrollLeft),
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pageY = Math.max(0,pos.top - scrollTop),
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arrowSize = 20;
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//if placement equals auto，caculate the placement by element information;
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if (typeof(this.options.placement)==='function'){
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placement = this.options.placement.call(this, this.getTarget()[0], this.$element[0]);
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}else{
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placement = this.$element.data('placement')||this.options.placement;
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}
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if (placement==='auto'){
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if (pageX<clientWidth/3){
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placement= pageY>targetHeight+arrowSize?'top-right':'bottom-right';
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}else if (pageX<clientWidth*2/3){
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placement = pageY>targetHeight+arrowSize?'top':'bottom';
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}else{
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placement = pageY>targetHeight+arrowSize?'top-left':'bottom-left';
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}
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}
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return placement;
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},
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getElementPosition:function(){
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return $.extend({},this.$element.offset(), {
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width: this.$element[0].offsetWidth,
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height: this.$element[0].offsetHeight
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});
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},
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getTargetPositin:function(elementPos,placement,targetWidth,targetHeight){
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var pos = elementPos,
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elementW = this.$element.outerWidth(),
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position={},
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arrowOffset={},
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arrowSize = this.options.arrow?0:0;
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switch (placement) {
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case 'bottom':
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position = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - targetWidth / 2};
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break;
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case 'top':
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position = {top: pos.top - targetHeight-arrowSize, left: pos.left + pos.width / 2 - targetWidth / 2};
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break;
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case 'left':
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position = {top: pos.top + pos.height / 2 - targetHeight / 2, left: pos.left - targetWidth -arrowSize};
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break;
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case 'right':
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position = {top: pos.top + pos.height / 2 - targetHeight / 2, left: pos.left + pos.width};
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break;
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case 'top-right':
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position = {top: pos.top - targetHeight -arrowSize, left: pos.left};
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arrowOffset = {left: elementW /2 };
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break;
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case 'top-left':
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position = {top: pos.top - targetHeight -arrowSize, left: pos.left -targetWidth +pos.width};
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arrowOffset = {left: targetWidth - elementW /2 };
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break;
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case 'bottom-right':
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position = {top: pos.top + pos.height, left: pos.left};
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arrowOffset = {left: elementW /2};
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break;
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case 'bottom-left':
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position = {top: pos.top + pos.height, left: pos.left -targetWidth +pos.width};
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arrowOffset = {left: targetWidth- elementW /2};
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break;
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}
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return {position:position,arrowOffset:arrowOffset};
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}
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};
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$.fn[ pluginName ] = function ( options ) {
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return this.each(function() {
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var webuiPopover = $.data( this, 'plugin_' + pluginName );
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if (!webuiPopover) {
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if (!options){
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webuiPopover = new WebuiPopover( this, null);
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}else if (typeof options ==='string'){
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if (options!=='destroy'){
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webuiPopover = new WebuiPopover( this, null );
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webuiPopover[options]();
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}
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}else if (typeof options ==='object'){
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webuiPopover = new WebuiPopover( this, options );
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}
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$.data( this, 'plugin_' + pluginName, webuiPopover);
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}else{
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if (options==='destroy'){
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webuiPopover.destroy();
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}else if (typeof options ==='string'){
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webuiPopover[options]();
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}
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}
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});
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};
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})( jQuery, window, document );
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