mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
503 lines
21 KiB
JavaScript
503 lines
21 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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 pinnedTabsCount = 0;
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var currentTabWidth;
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var currentActiveTabWidth = 0;
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var collapsibleMenu;
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var ul = options.element || $("#"+options.id);
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var wrapper = ul.wrap( "<div>" ).parent();
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var scrollContainer = ul.wrap( "<div>" ).parent();
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wrapper.addClass("red-ui-tabs");
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if (options.vertical) {
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wrapper.addClass("red-ui-tabs-vertical");
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}
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if (options.addButton && typeof options.addButton === 'function') {
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wrapper.addClass("red-ui-tabs-add");
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var addButton = $('<div class="red-ui-tab-button"><a href="#"><i class="fa fa-plus"></i></a></div>').appendTo(wrapper);
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addButton.find('a').click(function(evt) {
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evt.preventDefault();
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options.addButton();
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})
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}
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var scrollLeft;
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var scrollRight;
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if (options.scrollable) {
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wrapper.addClass("red-ui-tabs-scrollable");
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scrollContainer.addClass("red-ui-tabs-scroll-container");
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scrollContainer.scroll(updateScroll);
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scrollLeft = $('<div class="red-ui-tab-button red-ui-tab-scroll red-ui-tab-scroll-left"><a href="#" style="display:none;"><i class="fa fa-caret-left"></i></a></div>').appendTo(wrapper).find("a");
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scrollLeft.on('mousedown',function(evt) { scrollEventHandler(evt,'-=150') }).on('click',function(evt){ evt.preventDefault();});
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scrollRight = $('<div class="red-ui-tab-button red-ui-tab-scroll red-ui-tab-scroll-right"><a href="#" style="display:none;"><i class="fa fa-caret-right"></i></a></div>').appendTo(wrapper).find("a");
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scrollRight.on('mousedown',function(evt) { scrollEventHandler(evt,'+=150') }).on('click',function(evt){ evt.preventDefault();});
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}
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if (options.collapsible) {
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// var dropDown = $('<div>',{class:"red-ui-tabs-select"}).appendTo(wrapper);
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// ul.hide();
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wrapper.addClass("red-ui-tabs-collapsible");
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var collapsedButtonsRow = $('<div class="red-ui-tab-link-buttons"></div>').appendTo(wrapper);
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var selectButton = $('<a href="#"><i class="fa fa-caret-down"></i></a>').appendTo(collapsedButtonsRow);
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selectButton.addClass("red-ui-tab-link-button-menu")
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selectButton.click(function(evt) {
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evt.preventDefault();
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if (!collapsibleMenu) {
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var pinnedOptions = [];
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var options = [];
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ul.children().each(function(i,el) {
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var id = $(el).data('tabId');
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var opt = {
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id:"red-ui-tabs-menu-option-"+id,
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label: tabs[id].name,
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onselect: function() {
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activateTab(id);
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}
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};
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if (tabs[id].pinned) {
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pinnedOptions.push(opt);
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} else {
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options.push(opt);
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}
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});
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options = pinnedOptions.concat(options);
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collapsibleMenu = RED.menu.init({id:"debug-message-option-menu",options: options});
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collapsibleMenu.css({
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position: "absolute"
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})
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collapsibleMenu.on('mouseleave', function(){ $(this).hide() });
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collapsibleMenu.on('mouseup', function() { $(this).hide() });
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collapsibleMenu.appendTo("body");
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}
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var elementPos = selectButton.offset();
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collapsibleMenu.css({
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top: (elementPos.top+selectButton.height()-20)+"px",
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left: (elementPos.left - collapsibleMenu.width() + selectButton.width())+"px"
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})
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collapsibleMenu.toggle();
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})
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}
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function scrollEventHandler(evt,dir) {
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evt.preventDefault();
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if ($(this).hasClass('disabled')) {
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return;
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}
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var currentScrollLeft = scrollContainer.scrollLeft();
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scrollContainer.animate( { scrollLeft: dir }, 100);
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var interval = setInterval(function() {
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var newScrollLeft = scrollContainer.scrollLeft()
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if (newScrollLeft === currentScrollLeft) {
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clearInterval(interval);
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return;
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}
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currentScrollLeft = newScrollLeft;
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scrollContainer.animate( { scrollLeft: dir }, 100);
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},100);
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$(this).one('mouseup',function() {
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clearInterval(interval);
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})
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}
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ul.children().first().addClass("active");
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ul.children().addClass("red-ui-tab");
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function onTabClick() {
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if (options.onclick) {
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options.onclick(tabs[$(this).attr('href').slice(1)]);
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}
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activateTab($(this));
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return false;
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}
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function updateScroll() {
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if (ul.children().length !== 0) {
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var sl = scrollContainer.scrollLeft();
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var scWidth = scrollContainer.width();
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var ulWidth = ul.width();
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if (sl === 0) {
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scrollLeft.hide();
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} else {
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scrollLeft.show();
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}
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if (sl === ulWidth-scWidth) {
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scrollRight.hide();
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} else {
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scrollRight.show();
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}
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}
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}
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function onTabDblClick() {
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if (options.ondblclick) {
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options.ondblclick(tabs[$(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.length === 0) {
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return;
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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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var parentId = link.parent().attr('id');
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wrapper.find(".red-ui-tab-link-button").removeClass("active selected");
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$("#"+parentId+"-link-button").addClass("active selected");
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if (options.scrollable) {
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var pos = link.parent().position().left;
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if (pos-21 < 0) {
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scrollContainer.animate( { scrollLeft: '+='+(pos-50) }, 300);
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} else if (pos + 120 > scrollContainer.width()) {
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scrollContainer.animate( { scrollLeft: '+='+(pos + 140-scrollContainer.width()) }, 300);
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}
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}
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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 activatePreviousTab() {
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var previous = ul.find("li.active").prev();
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if (previous.length > 0) {
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activateTab(previous.find("a"));
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}
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}
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function activateNextTab() {
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var next = ul.find("li.active").next();
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if (next.length > 0) {
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activateTab(next.find("a"));
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}
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}
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function updateTabWidths() {
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if (options.vertical) {
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return;
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}
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var tabs = ul.find("li.red-ui-tab");
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var width = wrapper.width();
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var tabCount = tabs.size();
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var tabWidth;
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if (options.collapsible) {
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tabWidth = width - collapsedButtonsRow.width()-10;
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if (tabWidth < 198) {
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var delta = 198 - tabWidth;
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var b = collapsedButtonsRow.find("a:last").prev();
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while (b.is(":not(:visible)")) {
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b = b.prev();
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}
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if (!b.hasClass("red-ui-tab-link-button-pinned")) {
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b.hide();
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}
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tabWidth = width - collapsedButtonsRow.width()-10;
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} else {
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var space = width - 198 - collapsedButtonsRow.width();
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if (space > 40) {
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collapsedButtonsRow.find("a:not(:visible):first").show();
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tabWidth = width - collapsedButtonsRow.width()-10;
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}
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}
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tabs.css({width:tabWidth});
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} else {
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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.scrollable) {
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tabWidth = Math.max(tabWidth,140);
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currentTabWidth = tabWidth+"px";
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currentActiveTabWidth = 0;
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var listWidth = Math.max(wrapper.width(),12+(tabWidth+6)*tabCount);
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ul.width(listWidth);
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updateScroll();
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} else 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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if (options.collapsible) {
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console.log(currentTabWidth);
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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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}
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ul.find("li.red-ui-tab a").on("click",onTabClick).on("dblclick",onTabDblClick);
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setTimeout(function() {
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updateTabWidths();
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},0);
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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 (tabs[id].pinned) {
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pinnedTabsCount--;
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}
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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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collapsibleMenu = null;
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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.attr('id',"red-ui-tab-"+(tab.id.replace(".","-")));
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li.data("tabId",tab.id);
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if (options.maximumTabWidth) {
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li.css("maxWidth",options.maximumTabWidth+"px");
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}
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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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} else if (tab.iconClass) {
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$('<i>',{class:"red-ui-tab-icon "+tab.iconClass}).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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if (options.collapsible) {
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li.addClass("red-ui-tab-pinned");
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var pinnedLink = $('<a href="#'+tab.id+'" class="red-ui-tab-link-button"></a>');
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if (tab.pinned) {
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if (pinnedTabsCount === 0) {
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pinnedLink.prependTo(collapsedButtonsRow)
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} else {
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pinnedLink.insertAfter(collapsedButtonsRow.find("a.red-ui-tab-link-button-pinned:last"));
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}
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} else {
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pinnedLink.insertBefore(collapsedButtonsRow.find("a:last"));
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}
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pinnedLink.attr('id',li.attr('id')+"-link-button");
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if (tab.iconClass) {
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$('<i>',{class:tab.iconClass}).appendTo(pinnedLink);
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} else {
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$('<i>',{class:"fa fa-lemon-o"}).appendTo(pinnedLink);
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}
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pinnedLink.click(function(evt) {
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evt.preventDefault();
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activateTab(tab.id);
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});
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if (tab.pinned) {
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pinnedLink.addClass("red-ui-tab-link-button-pinned");
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pinnedTabsCount++;
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}
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RED.popover.tooltip($(pinnedLink), tab.name);
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}
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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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event.preventDefault();
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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+scrollContainer.scrollLeft();
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var tabCenter = ui.position.left + tabElements[tabDragIndex].width/2 - scrollContainer.scrollLeft();
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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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},
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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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collapsibleMenu = null;
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},
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removeTab: removeTab,
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activateTab: activateTab,
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nextTab: activateNextTab,
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previousTab: activatePreviousTab,
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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.bidiAware").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++) {
|
|
existingTabMap[order[i]].appendTo(ul);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
return {
|
|
create: createTabs
|
|
}
|
|
})();
|