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node-red/editor/js/ui/tabs.js
2015-07-18 21:27:16 +01:00

164 lines
5.4 KiB
JavaScript

/**
* Copyright 2013, 2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
RED.tabs = (function() {
function createTabs(options) {
var tabs = {};
var currentTabWidth;
var currentActiveTabWidth = 0;
var ul = $("#"+options.id)
ul.addClass("red-ui-tabs");
ul.children().first().addClass("active");
ul.children().addClass("red-ui-tab");
function onTabClick() {
activateTab($(this));
return false;
}
function onTabDblClick() {
if (options.ondblclick) {
options.ondblclick(tabs[$(this).attr('href').slice(1)]);
}
return false;
}
function activateTab(link) {
if (typeof link === "string") {
link = ul.find("a[href='#"+link+"']");
}
if (!link.parent().hasClass("active")) {
ul.children().removeClass("active");
ul.children().css({"transition": "width 100ms"});
link.parent().addClass("active");
if (options.onchange) {
options.onchange(tabs[link.attr('href').slice(1)]);
}
updateTabWidths();
setTimeout(function() {
ul.children().css({"transition": ""});
},100);
}
}
function updateTabWidths() {
var tabs = ul.find("li.red-ui-tab");
var width = ul.width();
var tabCount = tabs.size();
var tabWidth = (width-12-(tabCount*6))/tabCount;
currentTabWidth = 100*tabWidth/width;
currentActiveTabWidth = currentTabWidth+"%";
if (options.hasOwnProperty("minimumActiveTabWidth")) {
if (tabWidth < options.minimumActiveTabWidth) {
tabCount -= 1;
tabWidth = (width-12-options.minimumActiveTabWidth-(tabCount*6))/tabCount;
currentTabWidth = 100*tabWidth/width;
currentActiveTabWidth = options.minimumActiveTabWidth+"px";
} else {
currentActiveTabWidth = 0;
}
}
tabs.css({width:currentTabWidth+"%"});
if (tabWidth < 50) {
ul.find(".red-ui-tab-close").hide();
} else {
ul.find(".red-ui-tab-close").show();
}
if (currentActiveTabWidth !== 0) {
ul.find("li.red-ui-tab.active").css({"width":options.minimumActiveTabWidth});
ul.find("li.red-ui-tab.active .red-ui-tab-close").show();
}
}
ul.find("li.red-ui-tab a").on("click",onTabClick).on("dblclick",onTabDblClick);
updateTabWidths();
function removeTab(id) {
var li = ul.find("a[href='#"+id+"']").parent();
if (li.hasClass("active")) {
var tab = li.prev();
if (tab.size() === 0) {
tab = li.next();
}
activateTab(tab.find("a"));
}
li.remove();
if (options.onremove) {
options.onremove(tabs[id]);
}
delete tabs[id];
updateTabWidths();
}
return {
addTab: function(tab) {
tabs[tab.id] = tab;
var li = $("<li/>",{class:"red-ui-tab"}).appendTo(ul);
var link = $("<a/>",{href:"#"+tab.id, class:"red-ui-tab-label"}).appendTo(li);
link.html(tab.label);
link.on("click",onTabClick);
link.on("dblclick",onTabDblClick);
if (tab.closeable) {
var closeLink = $("<a/>",{href:"#",class:"red-ui-tab-close"}).appendTo(li);
closeLink.html('<i class="fa fa-times" />');
closeLink.on("click",function(event) {
removeTab(tab.id);
});
}
updateTabWidths();
if (options.onadd) {
options.onadd(tab);
}
link.attr("title",tab.label);
if (ul.find("li.red-ui-tab").size() == 1) {
activateTab(link);
}
},
removeTab: removeTab,
activateTab: activateTab,
resize: updateTabWidths,
count: function() {
return ul.find("li.red-ui-tab").size();
},
contains: function(id) {
return ul.find("a[href='#"+id+"']").length > 0;
},
renameTab: function(id,label) {
tabs[id].label = label;
var tab = ul.find("a[href='#"+id+"']");
tab.attr("title",label);
tab.text(label);
updateTabWidths();
}
}
}
return {
create: createTabs
}
})();