mirror of
https://github.com/node-red/node-red.git
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278 lines
11 KiB
JavaScript
278 lines
11 KiB
JavaScript
/**
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* Copyright 2013, 2016 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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RED.tabs = (function() {
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function createTabs(options) {
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var tabs = {};
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var currentTabWidth;
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var currentActiveTabWidth = 0;
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var ul = $("#"+options.id);
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ul.addClass("red-ui-tabs");
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ul.children().first().addClass("active");
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ul.children().addClass("red-ui-tab");
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function onTabClick() {
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activateTab($(this));
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return false;
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}
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function onTabDblClick() {
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if (options.ondblclick) {
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options.ondblclick(tabs[$(this).attr('href').slice(1)]);
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}
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return false;
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}
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function activateTab(link) {
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if (typeof link === "string") {
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link = ul.find("a[href='#"+link+"']");
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}
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if (!link.parent().hasClass("active")) {
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ul.children().removeClass("active");
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ul.children().css({"transition": "width 100ms"});
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link.parent().addClass("active");
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if (options.onchange) {
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options.onchange(tabs[link.attr('href').slice(1)]);
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}
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updateTabWidths();
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setTimeout(function() {
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ul.children().css({"transition": ""});
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},100);
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}
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}
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function updateTabWidths() {
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var tabs = ul.find("li.red-ui-tab");
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var width = ul.width();
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var tabCount = tabs.size();
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var tabWidth = (width-12-(tabCount*6))/tabCount;
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currentTabWidth = 100*tabWidth/width;
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currentActiveTabWidth = currentTabWidth+"%";
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if (options.hasOwnProperty("minimumActiveTabWidth")) {
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if (tabWidth < options.minimumActiveTabWidth) {
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tabCount -= 1;
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tabWidth = (width-12-options.minimumActiveTabWidth-(tabCount*6))/tabCount;
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currentTabWidth = 100*tabWidth/width;
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currentActiveTabWidth = options.minimumActiveTabWidth+"px";
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} else {
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currentActiveTabWidth = 0;
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}
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}
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tabs.css({width:currentTabWidth+"%"});
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if (tabWidth < 50) {
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ul.find(".red-ui-tab-close").hide();
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ul.find(".red-ui-tab-icon").hide();
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ul.find(".red-ui-tab-label").css({paddingLeft:Math.min(12,Math.max(0,tabWidth-38))+"px"})
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} else {
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ul.find(".red-ui-tab-close").show();
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ul.find(".red-ui-tab-icon").show();
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ul.find(".red-ui-tab-label").css({paddingLeft:""})
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}
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if (currentActiveTabWidth !== 0) {
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ul.find("li.red-ui-tab.active").css({"width":options.minimumActiveTabWidth});
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ul.find("li.red-ui-tab.active .red-ui-tab-close").show();
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ul.find("li.red-ui-tab.active .red-ui-tab-icon").show();
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ul.find("li.red-ui-tab.active .red-ui-tab-label").css({paddingLeft:""})
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}
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}
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ul.find("li.red-ui-tab a").on("click",onTabClick).on("dblclick",onTabDblClick);
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updateTabWidths();
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function removeTab(id) {
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var li = ul.find("a[href='#"+id+"']").parent();
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if (li.hasClass("active")) {
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var tab = li.prev();
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if (tab.size() === 0) {
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tab = li.next();
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}
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activateTab(tab.find("a"));
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}
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li.remove();
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if (options.onremove) {
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options.onremove(tabs[id]);
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}
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delete tabs[id];
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updateTabWidths();
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}
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return {
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addTab: function(tab) {
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tabs[tab.id] = tab;
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var li = $("<li/>",{class:"red-ui-tab"}).appendTo(ul);
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li.data("tabId",tab.id);
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var link = $("<a/>",{href:"#"+tab.id, class:"red-ui-tab-label"}).appendTo(li);
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if (tab.icon) {
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$('<img src="'+tab.icon+'" class="red-ui-tab-icon"/>').appendTo(link);
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}
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var span = $('<span/>',{class:"bidiAware"}).text(tab.label).appendTo(link);
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span.attr('dir', RED.text.bidi.resolveBaseTextDir(tab.label));
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link.on("click",onTabClick);
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link.on("dblclick",onTabDblClick);
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if (tab.closeable) {
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var closeLink = $("<a/>",{href:"#",class:"red-ui-tab-close"}).appendTo(li);
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closeLink.append('<i class="fa fa-times" />');
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closeLink.on("click",function(event) {
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removeTab(tab.id);
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});
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}
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updateTabWidths();
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if (options.onadd) {
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options.onadd(tab);
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}
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link.attr("title",tab.label);
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if (ul.find("li.red-ui-tab").size() == 1) {
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activateTab(link);
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}
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if (options.onreorder) {
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var originalTabOrder;
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var tabDragIndex;
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var tabElements = [];
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var startDragIndex;
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li.draggable({
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axis:"x",
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distance: 20,
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start: function(event,ui) {
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originalTabOrder = [];
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tabElements = [];
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ul.children().each(function(i) {
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tabElements[i] = {
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el:$(this),
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text: $(this).text(),
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left: $(this).position().left,
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width: $(this).width()
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};
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if ($(this).is(li)) {
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tabDragIndex = i;
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startDragIndex = i;
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}
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originalTabOrder.push($(this).data("tabId"));
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});
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ul.children().each(function(i) {
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if (i!==tabDragIndex) {
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$(this).css({
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position: 'absolute',
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left: tabElements[i].left+"px",
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width: tabElements[i].width+2,
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transition: "left 0.3s"
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});
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}
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})
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if (!li.hasClass('active')) {
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li.css({'zIndex':1});
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}
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},
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drag: function(event,ui) {
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ui.position.left += tabElements[tabDragIndex].left;
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var tabCenter = ui.position.left + tabElements[tabDragIndex].width/2;
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for (var i=0;i<tabElements.length;i++) {
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if (i === tabDragIndex) {
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continue;
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}
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if (tabCenter > tabElements[i].left && tabCenter < tabElements[i].left+tabElements[i].width) {
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if (i < tabDragIndex) {
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tabElements[i].left += tabElements[tabDragIndex].width+8;
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tabElements[tabDragIndex].el.detach().insertBefore(tabElements[i].el);
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} else {
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tabElements[i].left -= tabElements[tabDragIndex].width+8;
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tabElements[tabDragIndex].el.detach().insertAfter(tabElements[i].el);
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}
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tabElements[i].el.css({left:tabElements[i].left+"px"});
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tabElements.splice(i, 0, tabElements.splice(tabDragIndex, 1)[0]);
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tabDragIndex = i;
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break;
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}
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}
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// console.log(ui.position.left,ui.offset.left);
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},
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stop: function(event,ui) {
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ul.children().css({position:"relative",left:"",transition:""});
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if (!li.hasClass('active')) {
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li.css({zIndex:""});
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}
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updateTabWidths();
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if (startDragIndex !== tabDragIndex) {
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options.onreorder(originalTabOrder, $.makeArray(ul.children().map(function() { return $(this).data('tabId');})));
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}
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activateTab(tabElements[tabDragIndex].el.data('tabId'));
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}
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})
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}
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},
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removeTab: removeTab,
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activateTab: activateTab,
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resize: updateTabWidths,
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count: function() {
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return ul.find("li.red-ui-tab").size();
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},
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contains: function(id) {
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return ul.find("a[href='#"+id+"']").length > 0;
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},
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renameTab: function(id,label) {
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tabs[id].label = label;
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var tab = ul.find("a[href='#"+id+"']");
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tab.attr("title",label);
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tab.find("span").text(label).attr('dir', RED.text.bidi.resolveBaseTextDir(label));
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updateTabWidths();
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},
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order: function(order) {
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var existingTabOrder = $.makeArray(ul.children().map(function() { return $(this).data('tabId');}));
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if (existingTabOrder.length !== order.length) {
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return
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}
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var i;
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var match = true;
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for (i=0;i<order.length;i++) {
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if (order[i] !== existingTabOrder[i]) {
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match = false;
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break;
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}
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}
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if (match) {
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return;
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}
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var existingTabMap = {};
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var existingTabs = ul.children().detach().each(function() {
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existingTabMap[$(this).data("tabId")] = $(this);
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});
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for (i=0;i<order.length;i++) {
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existingTabMap[order[i]].appendTo(ul);
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}
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}
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}
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}
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return {
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create: createTabs
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}
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})();
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