179 lines
No EOL
5.4 KiB
JavaScript
179 lines
No EOL
5.4 KiB
JavaScript
(function( $ ){
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var multiSelectId=-1;
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$.fn.multiSelect=function(options){
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multiSelectId++;
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var settings = {
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'createCallback':false,
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'createText':false,
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'title':this.attr('title'),
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'checked':[],
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'oncheck':false,
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'onuncheck':false,
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'minWidth': 'default;',
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};
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$.extend(settings,options);
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$.each(this.children(),function(i,option){
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if($(option).attr('selected') && settings.checked.indexOf($(option).val())==-1){
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settings.checked.push($(option).val());
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}
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});
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var button=$('<div class="multiselect button"><span>'+settings.title+'</span><span>▾</span></div>');
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var span=$('<span/>');
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span.append(button);
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button.data('id',multiSelectId);
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button.selectedItems=[];
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this.hide();
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this.before(span);
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if(settings.minWidth=='default'){
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settings.minWidth=button.width();
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}
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button.css('min-width',settings.minWidth);
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settings.minOuterWidth=button.outerWidth()-2;
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button.data('settings',settings);
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if(settings.checked.length>0){
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button.children('span').first().text(settings.checked.join(', '));
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}
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button.click(function(event){
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var button=$(this);
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if(button.parent().children('ul').length>0){
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button.parent().children('ul').slideUp(400,function(){
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button.parent().children('ul').remove();
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button.removeClass('active');
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});
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return;
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}
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var lists=$('ul.multiselectoptions');
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lists.slideUp(400,function(){
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lists.remove();
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$('div.multiselect').removeClass('active');
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button.addClass('active');
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});
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button.addClass('active');
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event.stopPropagation();
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var options=$(this).parent().next().children();
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var list=$('<ul class="multiselectoptions"/>').hide().appendTo($(this).parent());
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function createItem(element,checked){
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element=$(element);
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var item=element.val();
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var id='ms'+multiSelectId+'-option-'+item;
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var input=$('<input type="checkbox"/>');
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input.attr('id',id);
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var label=$('<label/>');
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label.attr('for',id);
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label.text(item);
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if(settings.checked.indexOf(item)!=-1 || checked){
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input.attr('checked',true);
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}
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if(checked){
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settings.checked.push(item);
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}
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input.change(function(){
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var groupname=$(this).next().text();
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if($(this).is(':checked')){
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element.attr('selected','selected');
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if(settings.oncheck){
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if(settings.oncheck(groupname)===false){
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$(this).attr('checked', false);
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return;
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}
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}
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settings.checked.push(groupname);
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}else{
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var index=settings.checked.indexOf(groupname);
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element.attr('selected',null);
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if(settings.onuncheck){
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if(settings.onuncheck(groupname)===false){
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$(this).attr('checked',true);
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return;
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}
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}
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settings.checked.splice(index,1);
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}
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var oldWidth=button.width();
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if(settings.checked.length>0){
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button.children('span').first().text(settings.checked.join(', '));
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}else{
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button.children('span').first().text(settings.title);
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}
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var newOuterWidth=Math.max((button.outerWidth()-2),settings.minOuterWidth)+'px';
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var newWidth=Math.max(button.width(),settings.minWidth);
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var pos=button.position();
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button.css('height',button.height());
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button.css('white-space','nowrap');
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button.css('width',oldWidth);
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button.animate({'width':newWidth},undefined,undefined,function(){
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button.css('width','');
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});
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list.animate({'width':newOuterWidth,'left':pos.left+3});
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});
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var li=$('<li></li>');
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li.append(input).append(label);
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return li;
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}
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$.each(options,function(index,item){
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list.append(createItem(item));
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});
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button.parent().data('preventHide',false);
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if(settings.createText){
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var li=$('<li>+ <em>'+settings.createText+'<em></li>');
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li.click(function(event){
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li.empty();
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var input=$('<input class="new">');
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li.append(input);
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input.focus();
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input.css('width',button.width());
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button.parent().data('preventHide',true);
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input.keypress(function(event) {
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if(event.keyCode == 13) {
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event.preventDefault();
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event.stopPropagation();
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var li=$(this).parent();
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$(this).remove();
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li.text('+ '+settings.createText);
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li.before(createItem(this));
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var select=button.parent().next();
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var option=$('<option selected="selected"/>');
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option.attr('value',$(this).val());
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option.text($(this).val());
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select.append(optione);
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li.prev().children('input').trigger('click');
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button.parent().data('preventHide',false);
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if(settings.createCallback){
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settings.createCallback();
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}
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}
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});
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input.blur(function(){
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event.preventDefault();
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event.stopPropagation();
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$(this).remove();
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li.text('+ '+settings.createText);
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setTimeout(function(){
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button.parent().data('preventHide',false);
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},100);
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});
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});
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list.append(li);
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}
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var pos=button.position();
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list.css('top',pos.top+button.outerHeight()-5);
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list.css('left',pos.left+3);
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list.css('width',(button.outerWidth()-2)+'px');
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list.slideDown();
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list.click(function(event){
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event.stopPropagation();
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});
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});
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$(window).click(function(){
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if(!button.parent().data('preventHide')){
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button.parent().children('ul').slideUp(400,function(){
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button.parent().children('ul').remove();
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button.removeClass('active');
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});
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}
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});
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return span;
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};
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})( jQuery ); |